nuget: bump Microsoft.CodeAnalysis.CSharp from 4.9.2 to 4.11.0

Bumps [Microsoft.CodeAnalysis.CSharp](https://github.com/dotnet/roslyn) from 4.9.2 to 4.11.0.
- [Release notes](https://github.com/dotnet/roslyn/releases)
- [Changelog](https://github.com/dotnet/roslyn/blob/main/docs/Breaking%20API%20Changes.md)
- [Commits](https://github.com/dotnet/roslyn/commits)

---
updated-dependencies:
- dependency-name: Microsoft.CodeAnalysis.CSharp
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/ISSUE_TEMPLATE/feature_request.yml

@@ -1,6 +1,7 @@
 name: Feature Request
 description: Suggest a new feature for Ryujinx.
 title: "[Feature Request]"
+labels: enhancement
 body:
   - type: textarea
     id: overview

Directory.Packages.props

@@ -11,18 +11,18 @@
     <PackageVersion Include="Avalonia.Svg" Version="11.0.0.18" />
     <PackageVersion Include="Avalonia.Svg.Skia" Version="11.0.0.18" />
     <PackageVersion Include="CommandLineParser" Version="2.9.1" />
-    <PackageVersion Include="Concentus" Version="1.1.7" />
+    <PackageVersion Include="Concentus" Version="2.2.0" />
     <PackageVersion Include="DiscordRichPresence" Version="1.2.1.24" />
-    <PackageVersion Include="DynamicData" Version="8.4.1" />
+    <PackageVersion Include="DynamicData" Version="9.0.4" />
     <PackageVersion Include="FluentAvaloniaUI" Version="2.0.5" />
     <PackageVersion Include="GtkSharp.Dependencies" Version="1.1.1" />
     <PackageVersion Include="GtkSharp.Dependencies.osx" Version="0.0.5" />
     <PackageVersion Include="LibHac" Version="0.19.0" />
     <PackageVersion Include="Microsoft.CodeAnalysis.Analyzers" Version="3.3.4" />
-    <PackageVersion Include="Microsoft.CodeAnalysis.CSharp" Version="4.9.2" />
-    <PackageVersion Include="Microsoft.IdentityModel.JsonWebTokens" Version="7.5.1" />
+    <PackageVersion Include="Microsoft.CodeAnalysis.CSharp" Version="4.11.0" />
+    <PackageVersion Include="Microsoft.IdentityModel.JsonWebTokens" Version="8.0.1" />
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.9.0" />
-    <PackageVersion Include="Microsoft.IO.RecyclableMemoryStream" Version="3.0.0" />
+    <PackageVersion Include="Microsoft.IO.RecyclableMemoryStream" Version="3.0.1" />
     <PackageVersion Include="MsgPack.Cli" Version="1.0.1" />
     <PackageVersion Include="NetCoreServer" Version="8.0.7" />
     <PackageVersion Include="NUnit" Version="3.13.3" />
@@ -42,8 +42,8 @@
     <PackageVersion Include="Silk.NET.Vulkan" Version="2.16.0" />
     <PackageVersion Include="Silk.NET.Vulkan.Extensions.EXT" Version="2.16.0" />
     <PackageVersion Include="Silk.NET.Vulkan.Extensions.KHR" Version="2.16.0" />
-    <PackageVersion Include="SixLabors.ImageSharp" Version="2.1.8" />
-    <PackageVersion Include="SixLabors.ImageSharp.Drawing" Version="1.0.0" />
+    <PackageVersion Include="SkiaSharp" Version="2.88.7" />
+    <PackageVersion Include="SkiaSharp.NativeAssets.Linux" Version="2.88.7" />
     <PackageVersion Include="SPB" Version="0.0.4-build32" />
     <PackageVersion Include="System.IO.Hashing" Version="8.0.0" />
     <PackageVersion Include="System.Management" Version="8.0.0" />

Ryujinx.sln

@@ -87,6 +87,8 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Ryujinx.Horizon", "src\Ryuj
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Ryujinx.Horizon.Kernel.Generators", "src\Ryujinx.Horizon.Kernel.Generators\Ryujinx.Horizon.Kernel.Generators.csproj", "{7F55A45D-4E1D-4A36-ADD3-87F29A285AA2}"
 EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Ryujinx.HLE.Generators", "src\Ryujinx.HLE.Generators\Ryujinx.HLE.Generators.csproj", "{B575BCDE-2FD8-4A5D-8756-31CDD7FE81F0}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -249,6 +251,10 @@ Global
 		{7F55A45D-4E1D-4A36-ADD3-87F29A285AA2}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{7F55A45D-4E1D-4A36-ADD3-87F29A285AA2}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{7F55A45D-4E1D-4A36-ADD3-87F29A285AA2}.Release|Any CPU.Build.0 = Release|Any CPU
+		{B575BCDE-2FD8-4A5D-8756-31CDD7FE81F0}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{B575BCDE-2FD8-4A5D-8756-31CDD7FE81F0}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{B575BCDE-2FD8-4A5D-8756-31CDD7FE81F0}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{B575BCDE-2FD8-4A5D-8756-31CDD7FE81F0}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

src/ARMeilleure/CodeGen/Arm64/CodeGenContext.cs

@@ -237,7 +237,7 @@ namespace ARMeilleure.CodeGen.Arm64
             long originalPosition = _stream.Position;
 
             _stream.Seek(0, SeekOrigin.Begin);
-            _stream.Read(code, 0, code.Length);
+            _stream.ReadExactly(code, 0, code.Length);
             _stream.Seek(originalPosition, SeekOrigin.Begin);
 
             RelocInfo relocInfo;

src/ARMeilleure/CodeGen/RegisterAllocators/LinearScanAllocator.cs

@@ -251,7 +251,20 @@ namespace ARMeilleure.CodeGen.RegisterAllocators
                 }
             }
 
-            int selectedReg = GetHighestValueIndex(freePositions);
+            // If this is a copy destination variable, we prefer the register used for the copy source.
+            // If the register is available, then the copy can be eliminated later as both source
+            // and destination will use the same register.
+            int selectedReg;
+
+            if (current.TryGetCopySourceRegister(out int preferredReg) && freePositions[preferredReg] >= current.GetEnd())
+            {
+                selectedReg = preferredReg;
+            }
+            else
+            {
+                selectedReg = GetHighestValueIndex(freePositions);
+            }
+
             int selectedNextUse = freePositions[selectedReg];
 
             // Intervals starts and ends at odd positions, unless they span an entire
@@ -431,7 +444,7 @@ namespace ARMeilleure.CodeGen.RegisterAllocators
             }
         }
 
-        private static int GetHighestValueIndex(Span<int> span)
+        private static int GetHighestValueIndex(ReadOnlySpan<int> span)
         {
             int highest = int.MinValue;
 
@@ -798,12 +811,12 @@ namespace ARMeilleure.CodeGen.RegisterAllocators
             // The "visited" state is stored in the MSB of the local's value.
             const ulong VisitedMask = 1ul << 63;
 
-            bool IsVisited(Operand local)
+            static bool IsVisited(Operand local)
             {
                 return (local.GetValueUnsafe() & VisitedMask) != 0;
             }
 
-            void SetVisited(Operand local)
+            static void SetVisited(Operand local)
             {
                 local.GetValueUnsafe() |= VisitedMask;
             }
@@ -826,9 +839,25 @@ namespace ARMeilleure.CodeGen.RegisterAllocators
                         {
                             dest.NumberLocal(_intervals.Count);
 
-                            _intervals.Add(new LiveInterval(dest));
+                            LiveInterval interval = new LiveInterval(dest);
+                            _intervals.Add(interval);
 
                             SetVisited(dest);
+
+                            // If this is a copy (or copy-like operation), set the copy source interval as well.
+                            // This is used for register preferencing later on, which allows the copy to be eliminated
+                            // in some cases.
+                            if (node.Instruction == Instruction.Copy || node.Instruction == Instruction.ZeroExtend32)
+                            {
+                                Operand source = node.GetSource(0);
+
+                                if (source.Kind == OperandKind.LocalVariable &&
+                                    source.GetLocalNumber() > 0 &&
+                                    (node.Instruction == Instruction.Copy || source.Type == OperandType.I32))
+                                {
+                                    interval.SetCopySource(_intervals[source.GetLocalNumber()]);
+                                }
+                            }
                         }
                     }
                 }

src/ARMeilleure/CodeGen/RegisterAllocators/LiveInterval.cs

@@ -19,6 +19,7 @@ namespace ARMeilleure.CodeGen.RegisterAllocators
             public LiveRange CurrRange;
 
             public LiveInterval Parent;
+            public LiveInterval CopySource;
 
             public UseList Uses;
             public LiveIntervalList Children;
@@ -37,6 +38,7 @@ namespace ARMeilleure.CodeGen.RegisterAllocators
         private ref LiveRange CurrRange => ref _data->CurrRange;
         private ref LiveRange PrevRange => ref _data->PrevRange;
         private ref LiveInterval Parent => ref _data->Parent;
+        private ref LiveInterval CopySource => ref _data->CopySource;
         private ref UseList Uses => ref _data->Uses;
         private ref LiveIntervalList Children => ref _data->Children;
 
@@ -78,6 +80,25 @@ namespace ARMeilleure.CodeGen.RegisterAllocators
             Register = register;
         }
 
+        public void SetCopySource(LiveInterval copySource)
+        {
+            CopySource = copySource;
+        }
+
+        public bool TryGetCopySourceRegister(out int copySourceRegIndex)
+        {
+            if (CopySource._data != null)
+            {
+                copySourceRegIndex = CopySource.Register.Index;
+
+                return true;
+            }
+
+            copySourceRegIndex = 0;
+
+            return false;
+        }
+
         public void Reset()
         {
             PrevRange = default;

src/ARMeilleure/CodeGen/X86/Assembler.cs

@@ -1444,7 +1444,7 @@ namespace ARMeilleure.CodeGen.X86
 
                 Span<byte> buffer = new byte[jump.JumpPosition - _stream.Position];
 
-                _stream.Read(buffer);
+                _stream.ReadExactly(buffer);
                 _stream.Seek(ReservedBytesForJump, SeekOrigin.Current);
 
                 codeStream.Write(buffer);

src/ARMeilleure/Decoders/OpCodeTable.cs

@@ -822,6 +822,10 @@ namespace ARMeilleure.Decoders
             SetA32("<<<<00000100xxxxxxxxxxxx1001xxxx", InstName.Umaal,   InstEmit32.Umaal,   OpCode32AluUmull.Create);
             SetA32("<<<<0000101xxxxxxxxxxxxx1001xxxx", InstName.Umlal,   InstEmit32.Umlal,   OpCode32AluUmull.Create);
             SetA32("<<<<0000100xxxxxxxxxxxxx1001xxxx", InstName.Umull,   InstEmit32.Umull,   OpCode32AluUmull.Create);
+            SetA32("<<<<01100110xxxxxxxx11110001xxxx", InstName.Uqadd16, InstEmit32.Uqadd16, OpCode32AluReg.Create);
+            SetA32("<<<<01100110xxxxxxxx11111001xxxx", InstName.Uqadd8,  InstEmit32.Uqadd8,  OpCode32AluReg.Create);
+            SetA32("<<<<01100110xxxxxxxx11110111xxxx", InstName.Uqsub16, InstEmit32.Uqsub16, OpCode32AluReg.Create);
+            SetA32("<<<<01100110xxxxxxxx11111111xxxx", InstName.Uqsub8,  InstEmit32.Uqsub8,  OpCode32AluReg.Create);
             SetA32("<<<<0110111xxxxxxxxxxxxxxx01xxxx", InstName.Usat,    InstEmit32.Usat,    OpCode32Sat.Create);
             SetA32("<<<<01101110xxxxxxxx11110011xxxx", InstName.Usat16,  InstEmit32.Usat16,  OpCode32Sat16.Create);
             SetA32("<<<<01100101xxxxxxxx11111111xxxx", InstName.Usub8,   InstEmit32.Usub8,   OpCode32AluReg.Create);
@@ -1007,6 +1011,8 @@ namespace ARMeilleure.Decoders
             SetAsimd("111100100x10xxxxxxxx1011xxx0xxxx", InstName.Vqdmulh,     InstEmit32.Vqdmulh,      OpCode32SimdReg.Create,         OpCode32SimdReg.CreateT32);
             SetAsimd("111100111x11<<10xxxx00101xx0xxx0", InstName.Vqmovn,      InstEmit32.Vqmovn,       OpCode32SimdMovn.Create,        OpCode32SimdMovn.CreateT32);
             SetAsimd("111100111x11<<10xxxx001001x0xxx0", InstName.Vqmovun,     InstEmit32.Vqmovun,      OpCode32SimdMovn.Create,        OpCode32SimdMovn.CreateT32);
+            SetAsimd("111100110x01xxxxxxxx1011xxx0xxxx", InstName.Vqrdmulh,    InstEmit32.Vqrdmulh,     OpCode32SimdReg.Create,         OpCode32SimdReg.CreateT32);
+            SetAsimd("111100110x10xxxxxxxx1011xxx0xxxx", InstName.Vqrdmulh,    InstEmit32.Vqrdmulh,     OpCode32SimdReg.Create,         OpCode32SimdReg.CreateT32);
             SetAsimd("1111001x1x>>>xxxxxxx100101x1xxx0", InstName.Vqrshrn,     InstEmit32.Vqrshrn,      OpCode32SimdShImmNarrow.Create, OpCode32SimdShImmNarrow.CreateT32);
             SetAsimd("111100111x>>>xxxxxxx100001x1xxx0", InstName.Vqrshrun,    InstEmit32.Vqrshrun,     OpCode32SimdShImmNarrow.Create, OpCode32SimdShImmNarrow.CreateT32);
             SetAsimd("1111001x1x>>>xxxxxxx100100x1xxx0", InstName.Vqshrn,      InstEmit32.Vqshrn,       OpCode32SimdShImmNarrow.Create, OpCode32SimdShImmNarrow.CreateT32);
@@ -1030,6 +1036,7 @@ namespace ARMeilleure.Decoders
             SetAsimd("1111001x1x>>>xxxxxxx101000x1xxxx", InstName.Vshll,       InstEmit32.Vshll,        OpCode32SimdShImmLong.Create,   OpCode32SimdShImmLong.CreateT32); // A1 encoding.
             SetAsimd("1111001x1x>>>xxxxxxx0000>xx1xxxx", InstName.Vshr,        InstEmit32.Vshr,         OpCode32SimdShImm.Create,       OpCode32SimdShImm.CreateT32);
             SetAsimd("111100101x>>>xxxxxxx100000x1xxx0", InstName.Vshrn,       InstEmit32.Vshrn,        OpCode32SimdShImmNarrow.Create, OpCode32SimdShImmNarrow.CreateT32);
+            SetAsimd("111100111x>>>xxxxxxx0101>xx1xxxx", InstName.Vsli,        InstEmit32.Vsli_I,       OpCode32SimdShImm.Create,       OpCode32SimdShImm.CreateT32);
             SetAsimd("1111001x1x>>>xxxxxxx0001>xx1xxxx", InstName.Vsra,        InstEmit32.Vsra,         OpCode32SimdShImm.Create,       OpCode32SimdShImm.CreateT32);
             SetAsimd("111101001x00xxxxxxxx0000xxx0xxxx", InstName.Vst1,        InstEmit32.Vst1,         OpCode32SimdMemSingle.Create,   OpCode32SimdMemSingle.CreateT32);
             SetAsimd("111101001x00xxxxxxxx0100xx0xxxxx", InstName.Vst1,        InstEmit32.Vst1,         OpCode32SimdMemSingle.Create,   OpCode32SimdMemSingle.CreateT32);
@@ -1054,6 +1061,7 @@ namespace ARMeilleure.Decoders
             SetAsimd("111100100x10xxxxxxxx1101xxx0xxxx", InstName.Vsub,        InstEmit32.Vsub_V,       OpCode32SimdReg.Create,         OpCode32SimdReg.CreateT32);
             SetAsimd("1111001x1x<<xxxxxxx00010x0x0xxxx", InstName.Vsubl,       InstEmit32.Vsubl_I,      OpCode32SimdRegLong.Create,     OpCode32SimdRegLong.CreateT32);
             SetAsimd("1111001x1x<<xxxxxxx00011x0x0xxxx", InstName.Vsubw,       InstEmit32.Vsubw_I,      OpCode32SimdRegWide.Create,     OpCode32SimdRegWide.CreateT32);
+            SetAsimd("111100111x110010xxxx00000xx0xxxx", InstName.Vswp,        InstEmit32.Vswp,         OpCode32Simd.Create,            OpCode32Simd.CreateT32);
             SetAsimd("111100111x11xxxxxxxx10xxxxx0xxxx", InstName.Vtbl,        InstEmit32.Vtbl,         OpCode32SimdTbl.Create,         OpCode32SimdTbl.CreateT32);
             SetAsimd("111100111x11<<10xxxx00001xx0xxxx", InstName.Vtrn,        InstEmit32.Vtrn,         OpCode32SimdCmpZ.Create,        OpCode32SimdCmpZ.CreateT32);
             SetAsimd("111100100x<<xxxxxxxx1000xxx1xxxx", InstName.Vtst,        InstEmit32.Vtst,         OpCode32SimdReg.Create,         OpCode32SimdReg.CreateT32);

src/ARMeilleure/Instructions/InstEmitAlu32.cs

@@ -2,6 +2,8 @@ using ARMeilleure.Decoders;
 using ARMeilleure.IntermediateRepresentation;
 using ARMeilleure.State;
 using ARMeilleure.Translation;
+using System;
+using System.Diagnostics;
 using System.Diagnostics.CodeAnalysis;
 using static ARMeilleure.Instructions.InstEmitAluHelper;
 using static ARMeilleure.Instructions.InstEmitHelper;
@@ -558,6 +560,46 @@ namespace ARMeilleure.Instructions
             EmitHsub8(context, unsigned: true);
         }
 
+        public static void Uqadd16(ArmEmitterContext context)
+        {
+            OpCode32AluReg op = (OpCode32AluReg)context.CurrOp;
+
+            SetIntA32(context, op.Rd, EmitUnsigned16BitPair(context, GetIntA32(context, op.Rn), GetIntA32(context, op.Rm), (d, n, m) =>
+            {
+                EmitSaturateUqadd(context, d, context.Add(n, m), 16);
+            }));
+        }
+
+        public static void Uqadd8(ArmEmitterContext context)
+        {
+            OpCode32AluReg op = (OpCode32AluReg)context.CurrOp;
+
+            SetIntA32(context, op.Rd, EmitUnsigned8BitPair(context, GetIntA32(context, op.Rn), GetIntA32(context, op.Rm), (d, n, m) =>
+            {
+                EmitSaturateUqadd(context, d, context.Add(n, m), 8);
+            }));
+        }
+
+        public static void Uqsub16(ArmEmitterContext context)
+        {
+            OpCode32AluReg op = (OpCode32AluReg)context.CurrOp;
+
+            SetIntA32(context, op.Rd, EmitUnsigned16BitPair(context, GetIntA32(context, op.Rn), GetIntA32(context, op.Rm), (d, n, m) =>
+            {
+                EmitSaturateUqsub(context, d, context.Subtract(n, m), 16);
+            }));
+        }
+
+        public static void Uqsub8(ArmEmitterContext context)
+        {
+            OpCode32AluReg op = (OpCode32AluReg)context.CurrOp;
+
+            SetIntA32(context, op.Rd, EmitUnsigned8BitPair(context, GetIntA32(context, op.Rn), GetIntA32(context, op.Rm), (d, n, m) =>
+            {
+                EmitSaturateUqsub(context, d, context.Subtract(n, m), 8);
+            }));
+        }
+
         public static void Usat(ArmEmitterContext context)
         {
             OpCode32Sat op = (OpCode32Sat)context.CurrOp;
@@ -934,6 +976,148 @@ namespace ARMeilleure.Instructions
             }
         }
 
+        private static void EmitSaturateUqadd(ArmEmitterContext context, Operand result, Operand value, uint saturateTo)
+        {
+            Debug.Assert(saturateTo <= 32);
+
+            if (saturateTo == 32)
+            {
+                // No saturation possible for this case.
+
+                context.Copy(result, value);
+
+                return;
+            }
+            else if (saturateTo == 0)
+            {
+                // Result is always zero if we saturate 0 bits.
+
+                context.Copy(result, Const(0));
+
+                return;
+            }
+
+            // If the result is 0, the values are equal and we don't need saturation.
+            Operand lblNoSat = Label();
+            context.BranchIfFalse(lblNoSat, context.ShiftRightUI(value, Const((int)saturateTo)));
+
+            // Saturate.
+            context.Copy(result, Const(uint.MaxValue >> (32 - (int)saturateTo)));
+
+            Operand lblExit = Label();
+            context.Branch(lblExit);
+
+            context.MarkLabel(lblNoSat);
+
+            context.Copy(result, value);
+
+            context.MarkLabel(lblExit);
+        }
+
+        private static void EmitSaturateUqsub(ArmEmitterContext context, Operand result, Operand value, uint saturateTo)
+        {
+            Debug.Assert(saturateTo <= 32);
+
+            if (saturateTo == 32)
+            {
+                // No saturation possible for this case.
+
+                context.Copy(result, value);
+
+                return;
+            }
+            else if (saturateTo == 0)
+            {
+                // Result is always zero if we saturate 0 bits.
+
+                context.Copy(result, Const(0));
+
+                return;
+            }
+
+            // If the result is 0, the values are equal and we don't need saturation.
+            Operand lblNoSat = Label();
+            context.BranchIf(lblNoSat, value, Const(0), Comparison.GreaterOrEqual);
+
+            // Saturate.
+            // Assumes that the value can only underflow, since this is only used for unsigned subtraction.
+            context.Copy(result, Const(0));
+
+            Operand lblExit = Label();
+            context.Branch(lblExit);
+
+            context.MarkLabel(lblNoSat);
+
+            context.Copy(result, value);
+
+            context.MarkLabel(lblExit);
+        }
+
+        private static Operand EmitUnsigned16BitPair(ArmEmitterContext context, Operand rn, Operand rm, Action<Operand, Operand, Operand> elementAction)
+        {
+            Operand tempD = context.AllocateLocal(OperandType.I32);
+
+            Operand tempN = context.ZeroExtend16(OperandType.I32, rn);
+            Operand tempM = context.ZeroExtend16(OperandType.I32, rm);
+            elementAction(tempD, tempN, tempM);
+            Operand tempD2 = context.ZeroExtend16(OperandType.I32, tempD);
+
+            tempN = context.ShiftRightUI(rn, Const(16));
+            tempM = context.ShiftRightUI(rm, Const(16));
+            elementAction(tempD, tempN, tempM);
+            return context.BitwiseOr(tempD2, context.ShiftLeft(tempD, Const(16)));
+        }
+
+        private static Operand EmitSigned8BitPair(ArmEmitterContext context, Operand rn, Operand rm, Action<Operand, Operand, Operand> elementAction)
+        {
+            return Emit8BitPair(context, rn, rm, elementAction, unsigned: false);
+        }
+
+        private static Operand EmitUnsigned8BitPair(ArmEmitterContext context, Operand rn, Operand rm, Action<Operand, Operand, Operand> elementAction)
+        {
+            return Emit8BitPair(context, rn, rm, elementAction, unsigned: true);
+        }
+
+        private static Operand Emit8BitPair(ArmEmitterContext context, Operand rn, Operand rm, Action<Operand, Operand, Operand> elementAction, bool unsigned)
+        {
+            Operand tempD = context.AllocateLocal(OperandType.I32);
+            Operand result = default;
+
+            for (int b = 0; b < 4; b++)
+            {
+                Operand nByte = b != 0 ? context.ShiftRightUI(rn, Const(b * 8)) : rn;
+                Operand mByte = b != 0 ? context.ShiftRightUI(rm, Const(b * 8)) : rm;
+
+                if (unsigned)
+                {
+                    nByte = context.ZeroExtend8(OperandType.I32, nByte);
+                    mByte = context.ZeroExtend8(OperandType.I32, mByte);
+                }
+                else
+                {
+                    nByte = context.SignExtend8(OperandType.I32, nByte);
+                    mByte = context.SignExtend8(OperandType.I32, mByte);
+                }
+
+                elementAction(tempD, nByte, mByte);
+
+                if (b == 0)
+                {
+                    result = context.ZeroExtend8(OperandType.I32, tempD);
+                }
+                else if (b < 3)
+                {
+                    result = context.BitwiseOr(result, context.ShiftLeft(context.ZeroExtend8(OperandType.I32, tempD), Const(b * 8)));
+                }
+                else
+                {
+                    result = context.BitwiseOr(result, context.ShiftLeft(tempD, Const(24)));
+                }
+            }
+
+            return result;
+        }
+
         private static void EmitAluStore(ArmEmitterContext context, Operand value)
         {
             IOpCode32Alu op = (IOpCode32Alu)context.CurrOp;

src/ARMeilleure/Instructions/InstEmitSimdArithmetic32.cs

@@ -1246,6 +1246,33 @@ namespace ARMeilleure.Instructions
             EmitVectorUnaryNarrowOp32(context, (op1) => EmitSatQ(context, op1, 8 << op.Size, signedSrc: true, signedDst: false), signed: true);
         }
 
+        public static void Vqrdmulh(ArmEmitterContext context)
+        {
+            OpCode32SimdReg op = (OpCode32SimdReg)context.CurrOp;
+            int eSize = 8 << op.Size;
+
+            EmitVectorBinaryOpI32(context, (op1, op2) =>
+            {
+                if (op.Size == 2)
+                {
+                    op1 = context.SignExtend32(OperandType.I64, op1);
+                    op2 = context.SignExtend32(OperandType.I64, op2);
+                }
+
+                Operand res = context.Multiply(op1, op2);
+                res = context.Add(res, Const(res.Type, 1L << (eSize - 2)));
+                res = context.ShiftRightSI(res, Const(eSize - 1));
+                res = EmitSatQ(context, res, eSize, signedSrc: true, signedDst: true);
+
+                if (op.Size == 2)
+                {
+                    res = context.ConvertI64ToI32(res);
+                }
+
+                return res;
+            }, signed: true);
+        }
+
         public static void Vqsub(ArmEmitterContext context)
         {
             OpCode32SimdReg op = (OpCode32SimdReg)context.CurrOp;

src/ARMeilleure/Instructions/InstEmitSimdMove32.cs

@@ -191,6 +191,26 @@ namespace ARMeilleure.Instructions
             context.Copy(GetVecA32(op.Qd), res);
         }
 
+        public static void Vswp(ArmEmitterContext context)
+        {
+            OpCode32Simd op = (OpCode32Simd)context.CurrOp;
+
+            if (op.Q)
+            {
+                Operand temp = context.Copy(GetVecA32(op.Qd));
+
+                context.Copy(GetVecA32(op.Qd), GetVecA32(op.Qm));
+                context.Copy(GetVecA32(op.Qm), temp);
+            }
+            else
+            {
+                Operand temp = ExtractScalar(context, OperandType.I64, op.Vd);
+
+                InsertScalar(context, op.Vd, ExtractScalar(context, OperandType.I64, op.Vm));
+                InsertScalar(context, op.Vm, temp);
+            }
+        }
+
         public static void Vtbl(ArmEmitterContext context)
         {
             OpCode32SimdTbl op = (OpCode32SimdTbl)context.CurrOp;

src/ARMeilleure/Instructions/InstEmitSimdShift32.cs

@@ -130,6 +130,36 @@ namespace ARMeilleure.Instructions
             EmitVectorUnaryNarrowOp32(context, (op1) => context.ShiftRightUI(op1, Const(shift)));
         }
 
+        public static void Vsli_I(ArmEmitterContext context)
+        {
+            OpCode32SimdShImm op = (OpCode32SimdShImm)context.CurrOp;
+            int shift = op.Shift;
+            int eSize = 8 << op.Size;
+
+            ulong mask = shift != 0 ? ulong.MaxValue >> (64 - shift) : 0UL;
+
+            Operand res = GetVec(op.Qd);
+
+            int elems = op.GetBytesCount() >> op.Size;
+
+            for (int index = 0; index < elems; index++)
+            {
+                Operand me = EmitVectorExtractZx(context, op.Qm, op.Im + index, op.Size);
+
+                Operand neShifted = context.ShiftLeft(me, Const(shift));
+
+                Operand de = EmitVectorExtractZx(context, op.Qd, op.Id + index, op.Size);
+
+                Operand deMasked = context.BitwiseAnd(de, Const(mask));
+
+                Operand e = context.BitwiseOr(neShifted, deMasked);
+
+                res = EmitVectorInsert(context, res, e, op.Id + index, op.Size);
+            }
+
+            context.Copy(GetVec(op.Qd), res);
+        }
+
         public static void Vsra(ArmEmitterContext context)
         {
             OpCode32SimdShImm op = (OpCode32SimdShImm)context.CurrOp;

src/ARMeilleure/Instructions/InstName.cs

@@ -571,6 +571,10 @@ namespace ARMeilleure.Instructions
         Umaal,
         Umlal,
         Umull,
+        Uqadd16,
+        Uqadd8,
+        Uqsub16,
+        Uqsub8,
         Usat,
         Usat16,
         Usub8,
@@ -645,6 +649,7 @@ namespace ARMeilleure.Instructions
         Vqdmulh,
         Vqmovn,
         Vqmovun,
+        Vqrdmulh,
         Vqrshrn,
         Vqrshrun,
         Vqshrn,
@@ -666,6 +671,7 @@ namespace ARMeilleure.Instructions
         Vshll,
         Vshr,
         Vshrn,
+        Vsli,
         Vst1,
         Vst2,
         Vst3,
@@ -682,6 +688,7 @@ namespace ARMeilleure.Instructions
         Vsub,
         Vsubl,
         Vsubw,
+        Vswp,
         Vtbl,
         Vtrn,
         Vtst,

src/ARMeilleure/Translation/ControlFlowGraph.cs

@@ -11,7 +11,7 @@ namespace ARMeilleure.Translation
         private int[] _postOrderMap;
 
         public int LocalsCount { get; private set; }
-        public BasicBlock Entry { get; }
+        public BasicBlock Entry { get; private set; }
         public IntrusiveList<BasicBlock> Blocks { get; }
         public BasicBlock[] PostOrderBlocks => _postOrderBlocks;
         public int[] PostOrderMap => _postOrderMap;
@@ -34,6 +34,15 @@ namespace ARMeilleure.Translation
             return result;
         }
 
+        public void UpdateEntry(BasicBlock newEntry)
+        {
+            newEntry.AddSuccessor(Entry);
+
+            Entry = newEntry;
+            Blocks.AddFirst(newEntry);
+            Update();
+        }
+
         public void Update()
         {
             RemoveUnreachableBlocks(Blocks);

src/ARMeilleure/Translation/PTC/Ptc.cs

@@ -29,7 +29,7 @@ namespace ARMeilleure.Translation.PTC
         private const string OuterHeaderMagicString = "PTCohd\0\0";
         private const string InnerHeaderMagicString = "PTCihd\0\0";
 
-        private const uint InternalVersion = 6634; //! To be incremented manually for each change to the ARMeilleure project.
+        private const uint InternalVersion = 6950; //! To be incremented manually for each change to the ARMeilleure project.
 
         private const string ActualDir = "0";
         private const string BackupDir = "1";

src/ARMeilleure/Translation/RegisterUsage.cs

@@ -89,6 +89,17 @@ namespace ARMeilleure.Translation
 
         public static void RunPass(ControlFlowGraph cfg, ExecutionMode mode)
         {
+            if (cfg.Entry.Predecessors.Count != 0)
+            {
+                // We expect the entry block to have no predecessors.
+                // This is required because we have a implicit context load at the start of the function,
+                // but if there is a jump to the start of the function, the context load would trash the modified values.
+                // Here we insert a new entry block that will jump to the existing entry block.
+                BasicBlock newEntry = new BasicBlock(cfg.Blocks.Count);
+
+                cfg.UpdateEntry(newEntry);
+            }
+
             // Compute local register inputs and outputs used inside blocks.
             RegisterMask[] localInputs = new RegisterMask[cfg.Blocks.Count];
             RegisterMask[] localOutputs = new RegisterMask[cfg.Blocks.Count];
@@ -201,7 +212,7 @@ namespace ARMeilleure.Translation
 
                 // The only block without any predecessor should be the entry block.
                 // It always needs a context load as it is the first block to run.
-                if (block.Predecessors.Count == 0 || hasContextLoad)
+                if (block == cfg.Entry || hasContextLoad)
                 {
                     long vecMask = globalInputs[block.Index].VecMask;
                     long intMask = globalInputs[block.Index].IntMask;

src/ARMeilleure/Translation/TranslatorQueue.cs

@@ -80,7 +80,10 @@ namespace ARMeilleure.Translation
                         return true;
                     }
 
-                    Monitor.Wait(Sync);
+                    if (!_disposed)
+                    {
+                        Monitor.Wait(Sync);
+                    }
                 }
             }
 

src/Ryujinx.Audio.Backends.SDL2/SDL2HardwareDeviceSession.cs

@@ -89,9 +89,9 @@ namespace Ryujinx.Audio.Backends.SDL2
                 return;
             }
 
-            using IMemoryOwner<byte> samplesOwner = ByteMemoryPool.Rent(frameCount * _bytesPerFrame);
+            using SpanOwner<byte> samplesOwner = SpanOwner<byte>.Rent(frameCount * _bytesPerFrame);
 
-            Span<byte> samples = samplesOwner.Memory.Span;
+            Span<byte> samples = samplesOwner.Span;
 
             _ringBuffer.Read(samples, 0, samples.Length);
 

src/Ryujinx.Audio.Backends.SoundIo/SoundIoHardwareDeviceSession.cs

@@ -122,9 +122,9 @@ namespace Ryujinx.Audio.Backends.SoundIo
 
             int channelCount = areas.Length;
 
-            using IMemoryOwner<byte> samplesOwner = ByteMemoryPool.Rent(frameCount * bytesPerFrame);
+            using SpanOwner<byte> samplesOwner = SpanOwner<byte>.Rent(frameCount * bytesPerFrame);
 
-            Span<byte> samples = samplesOwner.Memory.Span;
+            Span<byte> samples = samplesOwner.Span;
 
             _ringBuffer.Read(samples, 0, samples.Length);
 

src/Ryujinx.Audio/Backends/Common/DynamicRingBuffer.cs

@@ -14,7 +14,7 @@ namespace Ryujinx.Audio.Backends.Common
 
         private readonly object _lock = new();
 
-        private IMemoryOwner<byte> _bufferOwner;
+        private MemoryOwner<byte> _bufferOwner;
         private Memory<byte> _buffer;
         private int _size;
         private int _headOffset;
@@ -24,7 +24,7 @@ namespace Ryujinx.Audio.Backends.Common
 
         public DynamicRingBuffer(int initialCapacity = RingBufferAlignment)
         {
-            _bufferOwner = ByteMemoryPool.RentCleared(initialCapacity);
+            _bufferOwner = MemoryOwner<byte>.RentCleared(initialCapacity);
             _buffer = _bufferOwner.Memory;
         }
 
@@ -62,7 +62,7 @@ namespace Ryujinx.Audio.Backends.Common
 
         private void SetCapacityLocked(int capacity)
         {
-            IMemoryOwner<byte> newBufferOwner = ByteMemoryPool.RentCleared(capacity);
+            MemoryOwner<byte> newBufferOwner = MemoryOwner<byte>.RentCleared(capacity);
             Memory<byte> newBuffer = newBufferOwner.Memory;
 
             if (_size > 0)

src/Ryujinx.Audio/Renderer/Common/VoiceUpdateState.cs

@@ -15,7 +15,6 @@ namespace Ryujinx.Audio.Renderer.Common
     {
         public const int Align = 0x10;
         public const int BiquadStateOffset = 0x0;
-        public const int BiquadStateSize = 0x10;
 
         /// <summary>
         /// The state of the biquad filters of this voice.

src/Ryujinx.Audio/Renderer/Dsp/BiquadFilterHelper.cs

@@ -16,10 +16,15 @@ namespace Ryujinx.Audio.Renderer.Dsp
         /// <param name="parameter">The biquad filter parameter</param>
         /// <param name="state">The biquad filter state</param>
         /// <param name="outputBuffer">The output buffer to write the result</param>
-        /// <param name="inputBuffer">The input buffer to write the result</param>
+        /// <param name="inputBuffer">The input buffer to read the samples from</param>
         /// <param name="sampleCount">The count of samples to process</param>
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        public static void ProcessBiquadFilter(ref BiquadFilterParameter parameter, ref BiquadFilterState state, Span<float> outputBuffer, ReadOnlySpan<float> inputBuffer, uint sampleCount)
+        public static void ProcessBiquadFilter(
+            ref BiquadFilterParameter parameter,
+            ref BiquadFilterState state,
+            Span<float> outputBuffer,
+            ReadOnlySpan<float> inputBuffer,
+            uint sampleCount)
         {
             float a0 = FixedPointHelper.ToFloat(parameter.Numerator[0], FixedPointPrecisionForParameter);
             float a1 = FixedPointHelper.ToFloat(parameter.Numerator[1], FixedPointPrecisionForParameter);
@@ -40,6 +45,96 @@ namespace Ryujinx.Audio.Renderer.Dsp
             }
         }
 
+        /// <summary>
+        /// Apply a single biquad filter and mix the result into the output buffer.
+        /// </summary>
+        /// <remarks>This is implemented with a direct form 1.</remarks>
+        /// <param name="parameter">The biquad filter parameter</param>
+        /// <param name="state">The biquad filter state</param>
+        /// <param name="outputBuffer">The output buffer to write the result</param>
+        /// <param name="inputBuffer">The input buffer to read the samples from</param>
+        /// <param name="sampleCount">The count of samples to process</param>
+        /// <param name="volume">Mix volume</param>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static void ProcessBiquadFilterAndMix(
+            ref BiquadFilterParameter parameter,
+            ref BiquadFilterState state,
+            Span<float> outputBuffer,
+            ReadOnlySpan<float> inputBuffer,
+            uint sampleCount,
+            float volume)
+        {
+            float a0 = FixedPointHelper.ToFloat(parameter.Numerator[0], FixedPointPrecisionForParameter);
+            float a1 = FixedPointHelper.ToFloat(parameter.Numerator[1], FixedPointPrecisionForParameter);
+            float a2 = FixedPointHelper.ToFloat(parameter.Numerator[2], FixedPointPrecisionForParameter);
+
+            float b1 = FixedPointHelper.ToFloat(parameter.Denominator[0], FixedPointPrecisionForParameter);
+            float b2 = FixedPointHelper.ToFloat(parameter.Denominator[1], FixedPointPrecisionForParameter);
+
+            for (int i = 0; i < sampleCount; i++)
+            {
+                float input = inputBuffer[i];
+                float output = input * a0 + state.State0 * a1 + state.State1 * a2 + state.State2 * b1 + state.State3 * b2;
+
+                state.State1 = state.State0;
+                state.State0 = input;
+                state.State3 = state.State2;
+                state.State2 = output;
+
+                outputBuffer[i] += FloatingPointHelper.MultiplyRoundUp(output, volume);
+            }
+        }
+
+        /// <summary>
+        /// Apply a single biquad filter and mix the result into the output buffer with volume ramp.
+        /// </summary>
+        /// <remarks>This is implemented with a direct form 1.</remarks>
+        /// <param name="parameter">The biquad filter parameter</param>
+        /// <param name="state">The biquad filter state</param>
+        /// <param name="outputBuffer">The output buffer to write the result</param>
+        /// <param name="inputBuffer">The input buffer to read the samples from</param>
+        /// <param name="sampleCount">The count of samples to process</param>
+        /// <param name="volume">Initial mix volume</param>
+        /// <param name="ramp">Volume increment step</param>
+        /// <returns>Last filtered sample value</returns>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static float ProcessBiquadFilterAndMixRamp(
+            ref BiquadFilterParameter parameter,
+            ref BiquadFilterState state,
+            Span<float> outputBuffer,
+            ReadOnlySpan<float> inputBuffer,
+            uint sampleCount,
+            float volume,
+            float ramp)
+        {
+            float a0 = FixedPointHelper.ToFloat(parameter.Numerator[0], FixedPointPrecisionForParameter);
+            float a1 = FixedPointHelper.ToFloat(parameter.Numerator[1], FixedPointPrecisionForParameter);
+            float a2 = FixedPointHelper.ToFloat(parameter.Numerator[2], FixedPointPrecisionForParameter);
+
+            float b1 = FixedPointHelper.ToFloat(parameter.Denominator[0], FixedPointPrecisionForParameter);
+            float b2 = FixedPointHelper.ToFloat(parameter.Denominator[1], FixedPointPrecisionForParameter);
+
+            float mixState = 0f;
+
+            for (int i = 0; i < sampleCount; i++)
+            {
+                float input = inputBuffer[i];
+                float output = input * a0 + state.State0 * a1 + state.State1 * a2 + state.State2 * b1 + state.State3 * b2;
+
+                state.State1 = state.State0;
+                state.State0 = input;
+                state.State3 = state.State2;
+                state.State2 = output;
+
+                mixState = FloatingPointHelper.MultiplyRoundUp(output, volume);
+
+                outputBuffer[i] += mixState;
+                volume += ramp;
+            }
+
+            return mixState;
+        }
+
         /// <summary>
         /// Apply multiple biquad filter.
         /// </summary>
@@ -47,10 +142,15 @@ namespace Ryujinx.Audio.Renderer.Dsp
         /// <param name="parameters">The biquad filter parameter</param>
         /// <param name="states">The biquad filter state</param>
         /// <param name="outputBuffer">The output buffer to write the result</param>
-        /// <param name="inputBuffer">The input buffer to write the result</param>
+        /// <param name="inputBuffer">The input buffer to read the samples from</param>
         /// <param name="sampleCount">The count of samples to process</param>
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        public static void ProcessBiquadFilter(ReadOnlySpan<BiquadFilterParameter> parameters, Span<BiquadFilterState> states, Span<float> outputBuffer, ReadOnlySpan<float> inputBuffer, uint sampleCount)
+        public static void ProcessBiquadFilter(
+            ReadOnlySpan<BiquadFilterParameter> parameters,
+            Span<BiquadFilterState> states,
+            Span<float> outputBuffer,
+            ReadOnlySpan<float> inputBuffer,
+            uint sampleCount)
         {
             for (int stageIndex = 0; stageIndex < parameters.Length; stageIndex++)
             {
@@ -67,7 +167,7 @@ namespace Ryujinx.Audio.Renderer.Dsp
 
                 for (int i = 0; i < sampleCount; i++)
                 {
-                    float input = inputBuffer[i];
+                    float input = stageIndex != 0 ? outputBuffer[i] : inputBuffer[i];
                     float output = input * a0 + state.State0 * a1 + state.State1 * a2 + state.State2 * b1 + state.State3 * b2;
 
                     state.State1 = state.State0;
@@ -79,5 +179,129 @@ namespace Ryujinx.Audio.Renderer.Dsp
                 }
             }
         }
+
+        /// <summary>
+        /// Apply double biquad filter and mix the result into the output buffer.
+        /// </summary>
+        /// <remarks>This is implemented with a direct form 1.</remarks>
+        /// <param name="parameters">The biquad filter parameter</param>
+        /// <param name="states">The biquad filter state</param>
+        /// <param name="outputBuffer">The output buffer to write the result</param>
+        /// <param name="inputBuffer">The input buffer to read the samples from</param>
+        /// <param name="sampleCount">The count of samples to process</param>
+        /// <param name="volume">Mix volume</param>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static void ProcessDoubleBiquadFilterAndMix(
+            ref BiquadFilterParameter parameter0,
+            ref BiquadFilterParameter parameter1,
+            ref BiquadFilterState state0,
+            ref BiquadFilterState state1,
+            Span<float> outputBuffer,
+            ReadOnlySpan<float> inputBuffer,
+            uint sampleCount,
+            float volume)
+        {
+            float a00 = FixedPointHelper.ToFloat(parameter0.Numerator[0], FixedPointPrecisionForParameter);
+            float a10 = FixedPointHelper.ToFloat(parameter0.Numerator[1], FixedPointPrecisionForParameter);
+            float a20 = FixedPointHelper.ToFloat(parameter0.Numerator[2], FixedPointPrecisionForParameter);
+
+            float b10 = FixedPointHelper.ToFloat(parameter0.Denominator[0], FixedPointPrecisionForParameter);
+            float b20 = FixedPointHelper.ToFloat(parameter0.Denominator[1], FixedPointPrecisionForParameter);
+
+            float a01 = FixedPointHelper.ToFloat(parameter1.Numerator[0], FixedPointPrecisionForParameter);
+            float a11 = FixedPointHelper.ToFloat(parameter1.Numerator[1], FixedPointPrecisionForParameter);
+            float a21 = FixedPointHelper.ToFloat(parameter1.Numerator[2], FixedPointPrecisionForParameter);
+
+            float b11 = FixedPointHelper.ToFloat(parameter1.Denominator[0], FixedPointPrecisionForParameter);
+            float b21 = FixedPointHelper.ToFloat(parameter1.Denominator[1], FixedPointPrecisionForParameter);
+
+            for (int i = 0; i < sampleCount; i++)
+            {
+                float input = inputBuffer[i];
+                float output = input * a00 + state0.State0 * a10 + state0.State1 * a20 + state0.State2 * b10 + state0.State3 * b20;
+
+                state0.State1 = state0.State0;
+                state0.State0 = input;
+                state0.State3 = state0.State2;
+                state0.State2 = output;
+
+                input = output;
+                output = input * a01 + state1.State0 * a11 + state1.State1 * a21 + state1.State2 * b11 + state1.State3 * b21;
+
+                state1.State1 = state1.State0;
+                state1.State0 = input;
+                state1.State3 = state1.State2;
+                state1.State2 = output;
+
+                outputBuffer[i] += FloatingPointHelper.MultiplyRoundUp(output, volume);
+            }
+        }
+
+        /// <summary>
+        /// Apply double biquad filter and mix the result into the output buffer with volume ramp.
+        /// </summary>
+        /// <remarks>This is implemented with a direct form 1.</remarks>
+        /// <param name="parameters">The biquad filter parameter</param>
+        /// <param name="states">The biquad filter state</param>
+        /// <param name="outputBuffer">The output buffer to write the result</param>
+        /// <param name="inputBuffer">The input buffer to read the samples from</param>
+        /// <param name="sampleCount">The count of samples to process</param>
+        /// <param name="volume">Initial mix volume</param>
+        /// <param name="ramp">Volume increment step</param>
+        /// <returns>Last filtered sample value</returns>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static float ProcessDoubleBiquadFilterAndMixRamp(
+            ref BiquadFilterParameter parameter0,
+            ref BiquadFilterParameter parameter1,
+            ref BiquadFilterState state0,
+            ref BiquadFilterState state1,
+            Span<float> outputBuffer,
+            ReadOnlySpan<float> inputBuffer,
+            uint sampleCount,
+            float volume,
+            float ramp)
+        {
+            float a00 = FixedPointHelper.ToFloat(parameter0.Numerator[0], FixedPointPrecisionForParameter);
+            float a10 = FixedPointHelper.ToFloat(parameter0.Numerator[1], FixedPointPrecisionForParameter);
+            float a20 = FixedPointHelper.ToFloat(parameter0.Numerator[2], FixedPointPrecisionForParameter);
+
+            float b10 = FixedPointHelper.ToFloat(parameter0.Denominator[0], FixedPointPrecisionForParameter);
+            float b20 = FixedPointHelper.ToFloat(parameter0.Denominator[1], FixedPointPrecisionForParameter);
+
+            float a01 = FixedPointHelper.ToFloat(parameter1.Numerator[0], FixedPointPrecisionForParameter);
+            float a11 = FixedPointHelper.ToFloat(parameter1.Numerator[1], FixedPointPrecisionForParameter);
+            float a21 = FixedPointHelper.ToFloat(parameter1.Numerator[2], FixedPointPrecisionForParameter);
+
+            float b11 = FixedPointHelper.ToFloat(parameter1.Denominator[0], FixedPointPrecisionForParameter);
+            float b21 = FixedPointHelper.ToFloat(parameter1.Denominator[1], FixedPointPrecisionForParameter);
+
+            float mixState = 0f;
+
+            for (int i = 0; i < sampleCount; i++)
+            {
+                float input = inputBuffer[i];
+                float output = input * a00 + state0.State0 * a10 + state0.State1 * a20 + state0.State2 * b10 + state0.State3 * b20;
+
+                state0.State1 = state0.State0;
+                state0.State0 = input;
+                state0.State3 = state0.State2;
+                state0.State2 = output;
+
+                input = output;
+                output = input * a01 + state1.State0 * a11 + state1.State1 * a21 + state1.State2 * b11 + state1.State3 * b21;
+
+                state1.State1 = state1.State0;
+                state1.State0 = input;
+                state1.State3 = state1.State2;
+                state1.State2 = output;
+
+                mixState = FloatingPointHelper.MultiplyRoundUp(output, volume);
+
+                outputBuffer[i] += mixState;
+                volume += ramp;
+            }
+
+            return mixState;
+        }
     }
 }

src/Ryujinx.Audio/Renderer/Dsp/Command/BiquadFilterAndMixCommand.cs

@@ -0,0 +1,123 @@
+using Ryujinx.Audio.Renderer.Common;
+using Ryujinx.Audio.Renderer.Dsp.State;
+using Ryujinx.Audio.Renderer.Parameter;
+using System;
+
+namespace Ryujinx.Audio.Renderer.Dsp.Command
+{
+    public class BiquadFilterAndMixCommand : ICommand
+    {
+        public bool Enabled { get; set; }
+
+        public int NodeId { get; }
+
+        public CommandType CommandType => CommandType.BiquadFilterAndMix;
+
+        public uint EstimatedProcessingTime { get; set; }
+
+        public ushort InputBufferIndex { get; }
+        public ushort OutputBufferIndex { get; }
+
+        private BiquadFilterParameter _parameter;
+
+        public Memory<BiquadFilterState> BiquadFilterState { get; }
+        public Memory<BiquadFilterState> PreviousBiquadFilterState { get; }
+
+        public Memory<VoiceUpdateState> State { get; }
+
+        public int LastSampleIndex { get; }
+
+        public float Volume0 { get; }
+        public float Volume1 { get; }
+
+        public bool NeedInitialization { get; }
+        public bool HasVolumeRamp { get; }
+        public bool IsFirstMixBuffer { get; }
+
+        public BiquadFilterAndMixCommand(
+            float volume0,
+            float volume1,
+            uint inputBufferIndex,
+            uint outputBufferIndex,
+            int lastSampleIndex,
+            Memory<VoiceUpdateState> state,
+            ref BiquadFilterParameter filter,
+            Memory<BiquadFilterState> biquadFilterState,
+            Memory<BiquadFilterState> previousBiquadFilterState,
+            bool needInitialization,
+            bool hasVolumeRamp,
+            bool isFirstMixBuffer,
+            int nodeId)
+        {
+            Enabled = true;
+            NodeId = nodeId;
+
+            InputBufferIndex = (ushort)inputBufferIndex;
+            OutputBufferIndex = (ushort)outputBufferIndex;
+
+            _parameter = filter;
+            BiquadFilterState = biquadFilterState;
+            PreviousBiquadFilterState = previousBiquadFilterState;
+
+            State = state;
+            LastSampleIndex = lastSampleIndex;
+
+            Volume0 = volume0;
+            Volume1 = volume1;
+
+            NeedInitialization = needInitialization;
+            HasVolumeRamp = hasVolumeRamp;
+            IsFirstMixBuffer = isFirstMixBuffer;
+        }
+
+        public void Process(CommandList context)
+        {
+            ReadOnlySpan<float> inputBuffer = context.GetBuffer(InputBufferIndex);
+            Span<float> outputBuffer = context.GetBuffer(OutputBufferIndex);
+
+            if (NeedInitialization)
+            {
+                // If there is no previous state, initialize to zero.
+
+                BiquadFilterState.Span[0] = new BiquadFilterState();
+            }
+            else if (IsFirstMixBuffer)
+            {
+                // This is the first buffer, set previous state to current state.
+
+                PreviousBiquadFilterState.Span[0] = BiquadFilterState.Span[0];
+            }
+            else
+            {
+                // Rewind the current state by copying back the previous state.
+
+                BiquadFilterState.Span[0] = PreviousBiquadFilterState.Span[0];
+            }
+
+            if (HasVolumeRamp)
+            {
+                float volume = Volume0;
+                float ramp = (Volume1 - Volume0) / (int)context.SampleCount;
+
+                State.Span[0].LastSamples[LastSampleIndex] = BiquadFilterHelper.ProcessBiquadFilterAndMixRamp(
+                    ref _parameter,
+                    ref BiquadFilterState.Span[0],
+                    outputBuffer,
+                    inputBuffer,
+                    context.SampleCount,
+                    volume,
+                    ramp);
+            }
+            else
+            {
+                BiquadFilterHelper.ProcessBiquadFilterAndMix(
+                    ref _parameter,
+                    ref BiquadFilterState.Span[0],
+                    outputBuffer,
+                    inputBuffer,
+                    context.SampleCount,
+                    Volume1);
+            }
+        }
+    }
+}

src/Ryujinx.Audio/Renderer/Dsp/Command/CommandType.cs

@@ -30,8 +30,10 @@ namespace Ryujinx.Audio.Renderer.Dsp.Command
         CopyMixBuffer,
         LimiterVersion1,
         LimiterVersion2,
-        GroupedBiquadFilter,
+        MultiTapBiquadFilter,
         CaptureBuffer,
         Compressor,
+        BiquadFilterAndMix,
+        MultiTapBiquadFilterAndMix,
     }
 }

src/Ryujinx.Audio/Renderer/Dsp/Command/MixRampGroupedCommand.cs

@@ -24,7 +24,14 @@ namespace Ryujinx.Audio.Renderer.Dsp.Command
 
         public Memory<VoiceUpdateState> State { get; }
 
-        public MixRampGroupedCommand(uint mixBufferCount, uint inputBufferIndex, uint outputBufferIndex, Span<float> volume0, Span<float> volume1, Memory<VoiceUpdateState> state, int nodeId)
+        public MixRampGroupedCommand(
+            uint mixBufferCount,
+            uint inputBufferIndex,
+            uint outputBufferIndex,
+            ReadOnlySpan<float> volume0,
+            ReadOnlySpan<float> volume1,
+            Memory<VoiceUpdateState> state,
+            int nodeId)
         {
             Enabled = true;
             MixBufferCount = mixBufferCount;
@@ -48,7 +55,12 @@ namespace Ryujinx.Audio.Renderer.Dsp.Command
         }
 
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        private static float ProcessMixRampGrouped(Span<float> outputBuffer, ReadOnlySpan<float> inputBuffer, float volume0, float volume1, int sampleCount)
+        private static float ProcessMixRampGrouped(
+            Span<float> outputBuffer,
+            ReadOnlySpan<float> inputBuffer,
+            float volume0,
+            float volume1,
+            int sampleCount)
         {
             float ramp = (volume1 - volume0) / sampleCount;
             float volume = volume0;

src/Ryujinx.Audio/Renderer/Dsp/Command/MultiTapBiquadFilterAndMixCommand.cs

@@ -0,0 +1,145 @@
+using Ryujinx.Audio.Renderer.Common;
+using Ryujinx.Audio.Renderer.Dsp.State;
+using Ryujinx.Audio.Renderer.Parameter;
+using System;
+
+namespace Ryujinx.Audio.Renderer.Dsp.Command
+{
+    public class MultiTapBiquadFilterAndMixCommand : ICommand
+    {
+        public bool Enabled { get; set; }
+
+        public int NodeId { get; }
+
+        public CommandType CommandType => CommandType.MultiTapBiquadFilterAndMix;
+
+        public uint EstimatedProcessingTime { get; set; }
+
+        public ushort InputBufferIndex { get; }
+        public ushort OutputBufferIndex { get; }
+
+        private BiquadFilterParameter _parameter0;
+        private BiquadFilterParameter _parameter1;
+
+        public Memory<BiquadFilterState> BiquadFilterState0 { get; }
+        public Memory<BiquadFilterState> BiquadFilterState1 { get; }
+        public Memory<BiquadFilterState> PreviousBiquadFilterState0 { get; }
+        public Memory<BiquadFilterState> PreviousBiquadFilterState1 { get; }
+
+        public Memory<VoiceUpdateState> State { get; }
+
+        public int LastSampleIndex { get; }
+
+        public float Volume0 { get; }
+        public float Volume1 { get; }
+
+        public bool NeedInitialization0 { get; }
+        public bool NeedInitialization1 { get; }
+        public bool HasVolumeRamp { get; }
+        public bool IsFirstMixBuffer { get; }
+
+        public MultiTapBiquadFilterAndMixCommand(
+            float volume0,
+            float volume1,
+            uint inputBufferIndex,
+            uint outputBufferIndex,
+            int lastSampleIndex,
+            Memory<VoiceUpdateState> state,
+            ref BiquadFilterParameter filter0,
+            ref BiquadFilterParameter filter1,
+            Memory<BiquadFilterState> biquadFilterState0,
+            Memory<BiquadFilterState> biquadFilterState1,
+            Memory<BiquadFilterState> previousBiquadFilterState0,
+            Memory<BiquadFilterState> previousBiquadFilterState1,
+            bool needInitialization0,
+            bool needInitialization1,
+            bool hasVolumeRamp,
+            bool isFirstMixBuffer,
+            int nodeId)
+        {
+            Enabled = true;
+            NodeId = nodeId;
+
+            InputBufferIndex = (ushort)inputBufferIndex;
+            OutputBufferIndex = (ushort)outputBufferIndex;
+
+            _parameter0 = filter0;
+            _parameter1 = filter1;
+            BiquadFilterState0 = biquadFilterState0;
+            BiquadFilterState1 = biquadFilterState1;
+            PreviousBiquadFilterState0 = previousBiquadFilterState0;
+            PreviousBiquadFilterState1 = previousBiquadFilterState1;
+
+            State = state;
+            LastSampleIndex = lastSampleIndex;
+
+            Volume0 = volume0;
+            Volume1 = volume1;
+
+            NeedInitialization0 = needInitialization0;
+            NeedInitialization1 = needInitialization1;
+            HasVolumeRamp = hasVolumeRamp;
+            IsFirstMixBuffer = isFirstMixBuffer;
+        }
+
+        private void UpdateState(Memory<BiquadFilterState> state, Memory<BiquadFilterState> previousState, bool needInitialization)
+        {
+            if (needInitialization)
+            {
+                // If there is no previous state, initialize to zero.
+
+                state.Span[0] = new BiquadFilterState();
+            }
+            else if (IsFirstMixBuffer)
+            {
+                // This is the first buffer, set previous state to current state.
+
+                previousState.Span[0] = state.Span[0];
+            }
+            else
+            {
+                // Rewind the current state by copying back the previous state.
+
+                state.Span[0] = previousState.Span[0];
+            }
+        }
+
+        public void Process(CommandList context)
+        {
+            ReadOnlySpan<float> inputBuffer = context.GetBuffer(InputBufferIndex);
+            Span<float> outputBuffer = context.GetBuffer(OutputBufferIndex);
+
+            UpdateState(BiquadFilterState0, PreviousBiquadFilterState0, NeedInitialization0);
+            UpdateState(BiquadFilterState1, PreviousBiquadFilterState1, NeedInitialization1);
+
+            if (HasVolumeRamp)
+            {
+                float volume = Volume0;
+                float ramp = (Volume1 - Volume0) / (int)context.SampleCount;
+
+                State.Span[0].LastSamples[LastSampleIndex] = BiquadFilterHelper.ProcessDoubleBiquadFilterAndMixRamp(
+                    ref _parameter0,
+                    ref _parameter1,
+                    ref BiquadFilterState0.Span[0],
+                    ref BiquadFilterState1.Span[0],
+                    outputBuffer,
+                    inputBuffer,
+                    context.SampleCount,
+                    volume,
+                    ramp);
+            }
+            else
+            {
+                BiquadFilterHelper.ProcessDoubleBiquadFilterAndMix(
+                    ref _parameter0,
+                    ref _parameter1,
+                    ref BiquadFilterState0.Span[0],
+                    ref BiquadFilterState1.Span[0],
+                    outputBuffer,
+                    inputBuffer,
+                    context.SampleCount,
+                    Volume1);
+            }
+        }
+    }
+}

src/Ryujinx.Audio/Renderer/Dsp/Command/MultiTapBiquadFilterCommand.cs

@@ -4,13 +4,13 @@ using System;
 
 namespace Ryujinx.Audio.Renderer.Dsp.Command
 {
-    public class GroupedBiquadFilterCommand : ICommand
+    public class MultiTapBiquadFilterCommand : ICommand
     {
         public bool Enabled { get; set; }
 
         public int NodeId { get; }
 
-        public CommandType CommandType => CommandType.GroupedBiquadFilter;
+        public CommandType CommandType => CommandType.MultiTapBiquadFilter;
 
         public uint EstimatedProcessingTime { get; set; }
 
@@ -20,7 +20,7 @@ namespace Ryujinx.Audio.Renderer.Dsp.Command
         private readonly int _outputBufferIndex;
         private readonly bool[] _isInitialized;
 
-        public GroupedBiquadFilterCommand(int baseIndex, ReadOnlySpan<BiquadFilterParameter> filters, Memory<BiquadFilterState> biquadFilterStateMemory, int inputBufferOffset, int outputBufferOffset, ReadOnlySpan<bool> isInitialized, int nodeId)
+        public MultiTapBiquadFilterCommand(int baseIndex, ReadOnlySpan<BiquadFilterParameter> filters, Memory<BiquadFilterState> biquadFilterStateMemory, int inputBufferOffset, int outputBufferOffset, ReadOnlySpan<bool> isInitialized, int nodeId)
         {
             _parameters = filters.ToArray();
             _biquadFilterStates = biquadFilterStateMemory;

src/Ryujinx.Audio/Renderer/Dsp/State/BiquadFilterState.cs

@@ -2,12 +2,16 @@ using System.Runtime.InteropServices;
 
 namespace Ryujinx.Audio.Renderer.Dsp.State
 {
-    [StructLayout(LayoutKind.Sequential, Pack = 1, Size = 0x10)]
+    [StructLayout(LayoutKind.Sequential, Pack = 1, Size = 0x20)]
     public struct BiquadFilterState
     {
         public float State0;
         public float State1;
         public float State2;
         public float State3;
+        public float State4;
+        public float State5;
+        public float State6;
+        public float State7;
     }
 }

src/Ryujinx.Audio/Renderer/Parameter/ISplitterDestinationInParameter.cs

@@ -0,0 +1,43 @@
+using Ryujinx.Common.Memory;
+using System;
+
+namespace Ryujinx.Audio.Renderer.Parameter
+{
+    /// <summary>
+    /// Generic interface for the splitter destination parameters.
+    /// </summary>
+    public interface ISplitterDestinationInParameter
+    {
+        /// <summary>
+        /// Target splitter destination data id.
+        /// </summary>
+        int Id { get; }
+
+        /// <summary>
+        /// The mix to output the result of the splitter.
+        /// </summary>
+        int DestinationId { get; }
+
+        /// <summary>
+        /// Biquad filter parameters.
+        /// </summary>
+        Array2<BiquadFilterParameter> BiquadFilters { get; }
+
+        /// <summary>
+        /// Set to true if in use.
+        /// </summary>
+        bool IsUsed { get; }
+
+        /// <summary>
+        /// Mix buffer volumes.
+        /// </summary>
+        /// <remarks>Used when a splitter id is specified in the mix.</remarks>
+        Span<float> MixBufferVolume { get; }
+
+        /// <summary>
+        /// Check if the magic is valid.
+        /// </summary>
+        /// <returns>Returns true if the magic is valid.</returns>
+        bool IsMagicValid();
+    }
+}

src/Ryujinx.Audio/Renderer/Parameter/SplitterDestinationInParameterVersion1.cs

@@ -1,3 +1,4 @@
+using Ryujinx.Common.Memory;
 using Ryujinx.Common.Utilities;
 using System;
 using System.Runtime.InteropServices;
@@ -5,10 +6,10 @@ using System.Runtime.InteropServices;
 namespace Ryujinx.Audio.Renderer.Parameter
 {
     /// <summary>
-    /// Input header for a splitter destination update.
+    /// Input header for a splitter destination version 1 update.
     /// </summary>
     [StructLayout(LayoutKind.Sequential, Pack = 1)]
-    public struct SplitterDestinationInParameter
+    public struct SplitterDestinationInParameterVersion1 : ISplitterDestinationInParameter
     {
         /// <summary>
         /// Magic of the input header.
@@ -41,7 +42,7 @@ namespace Ryujinx.Audio.Renderer.Parameter
         /// </summary>
         private unsafe fixed byte _reserved[3];
 
-        [StructLayout(LayoutKind.Sequential, Size = 4 * Constants.MixBufferCountMax, Pack = 1)]
+        [StructLayout(LayoutKind.Sequential, Size = sizeof(float) * Constants.MixBufferCountMax, Pack = 1)]
         private struct MixArray { }
 
         /// <summary>
@@ -50,6 +51,14 @@ namespace Ryujinx.Audio.Renderer.Parameter
         /// <remarks>Used when a splitter id is specified in the mix.</remarks>
         public Span<float> MixBufferVolume => SpanHelpers.AsSpan<MixArray, float>(ref _mixBufferVolume);
 
+        readonly int ISplitterDestinationInParameter.Id => Id;
+
+        readonly int ISplitterDestinationInParameter.DestinationId => DestinationId;
+
+        readonly Array2<BiquadFilterParameter> ISplitterDestinationInParameter.BiquadFilters => default;
+
+        readonly bool ISplitterDestinationInParameter.IsUsed => IsUsed;
+
         /// <summary>
         /// The expected constant of any input header.
         /// </summary>

src/Ryujinx.Audio/Renderer/Parameter/SplitterDestinationInParameterVersion2.cs

@@ -0,0 +1,81 @@
+using Ryujinx.Common.Memory;
+using Ryujinx.Common.Utilities;
+using System;
+using System.Runtime.InteropServices;
+
+namespace Ryujinx.Audio.Renderer.Parameter
+{
+    /// <summary>
+    /// Input header for a splitter destination version 2 update.
+    /// </summary>
+    [StructLayout(LayoutKind.Sequential, Pack = 1)]
+    public struct SplitterDestinationInParameterVersion2 : ISplitterDestinationInParameter
+    {
+        /// <summary>
+        /// Magic of the input header.
+        /// </summary>
+        public uint Magic;
+
+        /// <summary>
+        /// Target splitter destination data id.
+        /// </summary>
+        public int Id;
+
+        /// <summary>
+        /// Mix buffer volumes storage.
+        /// </summary>
+        private MixArray _mixBufferVolume;
+
+        /// <summary>
+        /// The mix to output the result of the splitter.
+        /// </summary>
+        public int DestinationId;
+
+        /// <summary>
+        /// Biquad filter parameters.
+        /// </summary>
+        public Array2<BiquadFilterParameter> BiquadFilters;
+
+        /// <summary>
+        /// Set to true if in use.
+        /// </summary>
+        [MarshalAs(UnmanagedType.I1)]
+        public bool IsUsed;
+
+        /// <summary>
+        /// Reserved/padding.
+        /// </summary>
+        private unsafe fixed byte _reserved[11];
+
+        [StructLayout(LayoutKind.Sequential, Size = sizeof(float) * Constants.MixBufferCountMax, Pack = 1)]
+        private struct MixArray { }
+
+        /// <summary>
+        /// Mix buffer volumes.
+        /// </summary>
+        /// <remarks>Used when a splitter id is specified in the mix.</remarks>
+        public Span<float> MixBufferVolume => SpanHelpers.AsSpan<MixArray, float>(ref _mixBufferVolume);
+
+        readonly int ISplitterDestinationInParameter.Id => Id;
+
+        readonly int ISplitterDestinationInParameter.DestinationId => DestinationId;
+
+        readonly Array2<BiquadFilterParameter> ISplitterDestinationInParameter.BiquadFilters => BiquadFilters;
+
+        readonly bool ISplitterDestinationInParameter.IsUsed => IsUsed;
+
+        /// <summary>
+        /// The expected constant of any input header.
+        /// </summary>
+        private const uint ValidMagic = 0x44444E53;
+
+        /// <summary>
+        /// Check if the magic is valid.
+        /// </summary>
+        /// <returns>Returns true if the magic is valid.</returns>
+        public readonly bool IsMagicValid()
+        {
+            return Magic == ValidMagic;
+        }
+    }
+}

src/Ryujinx.Audio/Renderer/Server/AudioRenderSystem.cs

@@ -1,6 +1,7 @@
 using Ryujinx.Audio.Integration;
 using Ryujinx.Audio.Renderer.Common;
 using Ryujinx.Audio.Renderer.Dsp.Command;
+using Ryujinx.Audio.Renderer.Dsp.State;
 using Ryujinx.Audio.Renderer.Parameter;
 using Ryujinx.Audio.Renderer.Server.Effect;
 using Ryujinx.Audio.Renderer.Server.MemoryPool;
@@ -173,6 +174,22 @@ namespace Ryujinx.Audio.Renderer.Server
                 return ResultCode.WorkBufferTooSmall;
             }
 
+            Memory<BiquadFilterState> splitterBqfStates = Memory<BiquadFilterState>.Empty;
+
+            if (_behaviourContext.IsBiquadFilterParameterForSplitterEnabled() &&
+                parameter.SplitterCount > 0 &&
+                parameter.SplitterDestinationCount > 0)
+            {
+                splitterBqfStates = workBufferAllocator.Allocate<BiquadFilterState>(parameter.SplitterDestinationCount * SplitterContext.BqfStatesPerDestination, 0x10);
+
+                if (splitterBqfStates.IsEmpty)
+                {
+                    return ResultCode.WorkBufferTooSmall;
+                }
+
+                splitterBqfStates.Span.Clear();
+            }
+
             // Invalidate DSP cache on what was currently allocated with workBuffer.
             AudioProcessorMemoryManager.InvalidateDspCache(_dspMemoryPoolState.Translate(workBuffer, workBufferAllocator.Offset), workBufferAllocator.Offset);
 
@@ -292,7 +309,7 @@ namespace Ryujinx.Audio.Renderer.Server
                 state = MemoryPoolState.Create(MemoryPoolState.LocationType.Cpu);
             }
 
-            if (!_splitterContext.Initialize(ref _behaviourContext, ref parameter, workBufferAllocator))
+            if (!_splitterContext.Initialize(ref _behaviourContext, ref parameter, workBufferAllocator, splitterBqfStates))
             {
                 return ResultCode.WorkBufferTooSmall;
             }
@@ -775,6 +792,13 @@ namespace Ryujinx.Audio.Renderer.Server
             // Splitter
             size = SplitterContext.GetWorkBufferSize(size, ref behaviourContext, ref parameter);
 
+            if (behaviourContext.IsBiquadFilterParameterForSplitterEnabled() &&
+                parameter.SplitterCount > 0 &&
+                parameter.SplitterDestinationCount > 0)
+            {
+                size = WorkBufferAllocator.GetTargetSize<BiquadFilterState>(size, parameter.SplitterDestinationCount * SplitterContext.BqfStatesPerDestination, 0x10);
+            }
+
             // DSP Voice
             size = WorkBufferAllocator.GetTargetSize<VoiceUpdateState>(size, parameter.VoiceCount, VoiceUpdateState.Align);
 

src/Ryujinx.Audio/Renderer/Server/BehaviourContext.cs

@@ -45,7 +45,6 @@ namespace Ryujinx.Audio.Renderer.Server
         /// <see cref="Parameter.RendererInfoOutStatus"/> was added to supply the count of update done sent to the DSP.
         /// A new version of the command estimator was added to address timing changes caused by the voice changes.
         /// Additionally, the rendering limit percent was incremented to 80%.
-        ///
         /// </summary>
         /// <remarks>This was added in system update 6.0.0</remarks>
         public const int Revision5 = 5 << 24;
@@ -101,10 +100,18 @@ namespace Ryujinx.Audio.Renderer.Server
         /// <remarks>This was added in system update 14.0.0 but some changes were made in 15.0.0</remarks>
         public const int Revision11 = 11 << 24;
 
+        /// <summary>
+        /// REV12:
+        /// Two new commands were added to for biquad filtering and mixing (with optinal volume ramp) on the same command.
+        /// Splitter destinations can now specify up to two biquad filtering parameters, used for filtering the buffer before mixing.
+        /// </summary>
+        /// <remarks>This was added in system update 17.0.0</remarks>
+        public const int Revision12 = 12 << 24;
+
         /// <summary>
         /// Last revision supported by the implementation.
         /// </summary>
-        public const int LastRevision = Revision11;
+        public const int LastRevision = Revision12;
 
         /// <summary>
         /// Target revision magic supported by the implementation.
@@ -354,7 +361,7 @@ namespace Ryujinx.Audio.Renderer.Server
         /// Check if the audio renderer should use an optimized Biquad Filter (Direct Form 1) in case of two biquad filters are defined on a voice.
         /// </summary>
         /// <returns>True if the audio renderer should use the optimization.</returns>
-        public bool IsBiquadFilterGroupedOptimizationSupported()
+        public bool UseMultiTapBiquadFilterProcessing()
         {
             return CheckFeatureSupported(UserRevision, BaseRevisionMagic + Revision10);
         }
@@ -368,6 +375,15 @@ namespace Ryujinx.Audio.Renderer.Server
             return CheckFeatureSupported(UserRevision, BaseRevisionMagic + Revision11);
         }
 
+        /// <summary>
+        /// Check if the audio renderer should support biquad filter on splitter.
+        /// </summary>
+        /// <returns>True if the audio renderer support biquad filter on splitter</returns>
+        public bool IsBiquadFilterParameterForSplitterEnabled()
+        {
+            return CheckFeatureSupported(UserRevision, BaseRevisionMagic + Revision12);
+        }
+
         /// <summary>
         /// Get the version of the <see cref="ICommandProcessingTimeEstimator"/>.
         /// </summary>

src/Ryujinx.Audio/Renderer/Server/CommandBuffer.cs

@@ -204,7 +204,7 @@ namespace Ryujinx.Audio.Renderer.Server
         }
 
         /// <summary>
-        /// Create a new <see cref="GroupedBiquadFilterCommand"/>.
+        /// Create a new <see cref="MultiTapBiquadFilterCommand"/>.
         /// </summary>
         /// <param name="baseIndex">The base index of the input and output buffer.</param>
         /// <param name="filters">The biquad filter parameters.</param>
@@ -213,9 +213,9 @@ namespace Ryujinx.Audio.Renderer.Server
         /// <param name="outputBufferOffset">The output buffer offset.</param>
         /// <param name="isInitialized">Set to true if the biquad filter state is initialized.</param>
         /// <param name="nodeId">The node id associated to this command.</param>
-        public void GenerateGroupedBiquadFilter(int baseIndex, ReadOnlySpan<BiquadFilterParameter> filters, Memory<BiquadFilterState> biquadFilterStatesMemory, int inputBufferOffset, int outputBufferOffset, ReadOnlySpan<bool> isInitialized, int nodeId)
+        public void GenerateMultiTapBiquadFilter(int baseIndex, ReadOnlySpan<BiquadFilterParameter> filters, Memory<BiquadFilterState> biquadFilterStatesMemory, int inputBufferOffset, int outputBufferOffset, ReadOnlySpan<bool> isInitialized, int nodeId)
         {
-            GroupedBiquadFilterCommand command = new(baseIndex, filters, biquadFilterStatesMemory, inputBufferOffset, outputBufferOffset, isInitialized, nodeId);
+            MultiTapBiquadFilterCommand command = new(baseIndex, filters, biquadFilterStatesMemory, inputBufferOffset, outputBufferOffset, isInitialized, nodeId);
 
             command.EstimatedProcessingTime = _commandProcessingTimeEstimator.Estimate(command);
 
@@ -232,7 +232,7 @@ namespace Ryujinx.Audio.Renderer.Server
         /// <param name="volume">The new volume.</param>
         /// <param name="state">The <see cref="VoiceUpdateState"/> to generate the command from.</param>
         /// <param name="nodeId">The node id associated to this command.</param>
-        public void GenerateMixRampGrouped(uint mixBufferCount, uint inputBufferIndex, uint outputBufferIndex, Span<float> previousVolume, Span<float> volume, Memory<VoiceUpdateState> state, int nodeId)
+        public void GenerateMixRampGrouped(uint mixBufferCount, uint inputBufferIndex, uint outputBufferIndex, ReadOnlySpan<float> previousVolume, ReadOnlySpan<float> volume, Memory<VoiceUpdateState> state, int nodeId)
         {
             MixRampGroupedCommand command = new(mixBufferCount, inputBufferIndex, outputBufferIndex, previousVolume, volume, state, nodeId);
 
@@ -260,6 +260,120 @@ namespace Ryujinx.Audio.Renderer.Server
             AddCommand(command);
         }
 
+        /// <summary>
+        /// Generate a new <see cref="BiquadFilterAndMixCommand"/>.
+        /// </summary>
+        /// <param name="previousVolume">The previous volume.</param>
+        /// <param name="volume">The new volume.</param>
+        /// <param name="inputBufferIndex">The input buffer index.</param>
+        /// <param name="outputBufferIndex">The output buffer index.</param>
+        /// <param name="lastSampleIndex">The index in the <see cref="VoiceUpdateState.LastSamples"/> array to store the ramped sample.</param>
+        /// <param name="state">The <see cref="VoiceUpdateState"/> to generate the command from.</param>
+        /// <param name="filter">The biquad filter parameter.</param>
+        /// <param name="biquadFilterState">The biquad state.</param>
+        /// <param name="previousBiquadFilterState">The previous biquad state.</param>
+        /// <param name="needInitialization">Set to true if the biquad filter state needs to be initialized.</param>
+        /// <param name="hasVolumeRamp">Set to true if the mix has volume ramp, and <paramref name="previousVolume"/> should be taken into account.</param>
+        /// <param name="isFirstMixBuffer">Set to true if the buffer is the first mix buffer.</param>
+        /// <param name="nodeId">The node id associated to this command.</param>
+        public void GenerateBiquadFilterAndMix(
+            float previousVolume,
+            float volume,
+            uint inputBufferIndex,
+            uint outputBufferIndex,
+            int lastSampleIndex,
+            Memory<VoiceUpdateState> state,
+            ref BiquadFilterParameter filter,
+            Memory<BiquadFilterState> biquadFilterState,
+            Memory<BiquadFilterState> previousBiquadFilterState,
+            bool needInitialization,
+            bool hasVolumeRamp,
+            bool isFirstMixBuffer,
+            int nodeId)
+        {
+            BiquadFilterAndMixCommand command = new(
+                previousVolume,
+                volume,
+                inputBufferIndex,
+                outputBufferIndex,
+                lastSampleIndex,
+                state,
+                ref filter,
+                biquadFilterState,
+                previousBiquadFilterState,
+                needInitialization,
+                hasVolumeRamp,
+                isFirstMixBuffer,
+                nodeId);
+
+            command.EstimatedProcessingTime = _commandProcessingTimeEstimator.Estimate(command);
+
+            AddCommand(command);
+        }
+
+        /// <summary>
+        /// Generate a new <see cref="MultiTapBiquadFilterAndMixCommand"/>.
+        /// </summary>
+        /// <param name="previousVolume">The previous volume.</param>
+        /// <param name="volume">The new volume.</param>
+        /// <param name="inputBufferIndex">The input buffer index.</param>
+        /// <param name="outputBufferIndex">The output buffer index.</param>
+        /// <param name="lastSampleIndex">The index in the <see cref="VoiceUpdateState.LastSamples"/> array to store the ramped sample.</param>
+        /// <param name="state">The <see cref="VoiceUpdateState"/> to generate the command from.</param>
+        /// <param name="filter0">First biquad filter parameter.</param>
+        /// <param name="filter1">Second biquad filter parameter.</param>
+        /// <param name="biquadFilterState0">First biquad state.</param>
+        /// <param name="biquadFilterState1">Second biquad state.</param>
+        /// <param name="previousBiquadFilterState0">First previous biquad state.</param>
+        /// <param name="previousBiquadFilterState1">Second previous biquad state.</param>
+        /// <param name="needInitialization0">Set to true if the first biquad filter state needs to be initialized.</param>
+        /// <param name="needInitialization1">Set to true if the second biquad filter state needs to be initialized.</param>
+        /// <param name="hasVolumeRamp">Set to true if the mix has volume ramp, and <paramref name="previousVolume"/> should be taken into account.</param>
+        /// <param name="isFirstMixBuffer">Set to true if the buffer is the first mix buffer.</param>
+        /// <param name="nodeId">The node id associated to this command.</param>
+        public void GenerateMultiTapBiquadFilterAndMix(
+            float previousVolume,
+            float volume,
+            uint inputBufferIndex,
+            uint outputBufferIndex,
+            int lastSampleIndex,
+            Memory<VoiceUpdateState> state,
+            ref BiquadFilterParameter filter0,
+            ref BiquadFilterParameter filter1,
+            Memory<BiquadFilterState> biquadFilterState0,
+            Memory<BiquadFilterState> biquadFilterState1,
+            Memory<BiquadFilterState> previousBiquadFilterState0,
+            Memory<BiquadFilterState> previousBiquadFilterState1,
+            bool needInitialization0,
+            bool needInitialization1,
+            bool hasVolumeRamp,
+            bool isFirstMixBuffer,
+            int nodeId)
+        {
+            MultiTapBiquadFilterAndMixCommand command = new(
+                previousVolume,
+                volume,
+                inputBufferIndex,
+                outputBufferIndex,
+                lastSampleIndex,
+                state,
+                ref filter0,
+                ref filter1,
+                biquadFilterState0,
+                biquadFilterState1,
+                previousBiquadFilterState0,
+                previousBiquadFilterState1,
+                needInitialization0,
+                needInitialization1,
+                hasVolumeRamp,
+                isFirstMixBuffer,
+                nodeId);
+
+            command.EstimatedProcessingTime = _commandProcessingTimeEstimator.Estimate(command);
+
+            AddCommand(command);
+        }
+
         /// <summary>
         /// Generate a new <see cref="DepopForMixBuffersCommand"/>.
         /// </summary>
@@ -268,7 +382,7 @@ namespace Ryujinx.Audio.Renderer.Server
         /// <param name="bufferCount">The buffer count.</param>
         /// <param name="nodeId">The node id associated to this command.</param>
         /// <param name="sampleRate">The target sample rate in use.</param>
-        public void GenerateDepopForMixBuffersCommand(Memory<float> depopBuffer, uint bufferOffset, uint bufferCount, int nodeId, uint sampleRate)
+        public void GenerateDepopForMixBuffers(Memory<float> depopBuffer, uint bufferOffset, uint bufferCount, int nodeId, uint sampleRate)
         {
             DepopForMixBuffersCommand command = new(depopBuffer, bufferOffset, bufferCount, nodeId, sampleRate);
 

src/Ryujinx.Audio/Renderer/Server/CommandGenerator.cs

@@ -12,6 +12,7 @@ using Ryujinx.Audio.Renderer.Server.Voice;
 using Ryujinx.Audio.Renderer.Utils;
 using System;
 using System.Diagnostics;
+using System.Runtime.CompilerServices;
 
 namespace Ryujinx.Audio.Renderer.Server
 {
@@ -46,12 +47,13 @@ namespace Ryujinx.Audio.Renderer.Server
             {
                 ref MixState mix = ref _mixContext.GetState(voiceState.MixId);
 
-                _commandBuffer.GenerateDepopPrepare(dspState,
-                                                    _rendererContext.DepopBuffer,
-                                                    mix.BufferCount,
-                                                    mix.BufferOffset,
-                                                    voiceState.NodeId,
-                                                    voiceState.WasPlaying);
+                _commandBuffer.GenerateDepopPrepare(
+                    dspState,
+                    _rendererContext.DepopBuffer,
+                    mix.BufferCount,
+                    mix.BufferOffset,
+                    voiceState.NodeId,
+                    voiceState.WasPlaying);
             }
             else if (voiceState.SplitterId != Constants.UnusedSplitterId)
             {
@@ -59,15 +61,13 @@ namespace Ryujinx.Audio.Renderer.Server
 
                 while (true)
                 {
-                    Span<SplitterDestination> destinationSpan = _splitterContext.GetDestination((int)voiceState.SplitterId, destinationId++);
+                    SplitterDestination destination = _splitterContext.GetDestination((int)voiceState.SplitterId, destinationId++);
 
-                    if (destinationSpan.IsEmpty)
+                    if (destination.IsNull)
                     {
                         break;
                     }
 
-                    ref SplitterDestination destination = ref destinationSpan[0];
-
                     if (destination.IsConfigured())
                     {
                         int mixId = destination.DestinationId;
@@ -76,12 +76,13 @@ namespace Ryujinx.Audio.Renderer.Server
                         {
                             ref MixState mix = ref _mixContext.GetState(mixId);
 
-                            _commandBuffer.GenerateDepopPrepare(dspState,
-                                                                _rendererContext.DepopBuffer,
-                                                                mix.BufferCount,
-                                                                mix.BufferOffset,
-                                                                voiceState.NodeId,
-                                                                voiceState.WasPlaying);
+                            _commandBuffer.GenerateDepopPrepare(
+                                dspState,
+                                _rendererContext.DepopBuffer,
+                                mix.BufferCount,
+                                mix.BufferOffset,
+                                voiceState.NodeId,
+                                voiceState.WasPlaying);
 
                             destination.MarkAsNeedToUpdateInternalState();
                         }
@@ -95,35 +96,39 @@ namespace Ryujinx.Audio.Renderer.Server
 
                 if (_rendererContext.BehaviourContext.IsWaveBufferVersion2Supported())
                 {
-                    _commandBuffer.GenerateDataSourceVersion2(ref voiceState,
-                                                              dspState,
-                                                              (ushort)_rendererContext.MixBufferCount,
-                                                              (ushort)channelIndex,
-                                                              voiceState.NodeId);
+                    _commandBuffer.GenerateDataSourceVersion2(
+                        ref voiceState,
+                        dspState,
+                        (ushort)_rendererContext.MixBufferCount,
+                        (ushort)channelIndex,
+                        voiceState.NodeId);
                 }
                 else
                 {
                     switch (voiceState.SampleFormat)
                     {
                         case SampleFormat.PcmInt16:
-                            _commandBuffer.GeneratePcmInt16DataSourceVersion1(ref voiceState,
-                                                                              dspState,
-                                                                              (ushort)_rendererContext.MixBufferCount,
-                                                                              (ushort)channelIndex,
-                                                                              voiceState.NodeId);
+                            _commandBuffer.GeneratePcmInt16DataSourceVersion1(
+                                ref voiceState,
+                                dspState,
+                                (ushort)_rendererContext.MixBufferCount,
+                                (ushort)channelIndex,
+                                voiceState.NodeId);
                             break;
                         case SampleFormat.PcmFloat:
-                            _commandBuffer.GeneratePcmFloatDataSourceVersion1(ref voiceState,
-                                                                              dspState,
-                                                                              (ushort)_rendererContext.MixBufferCount,
-                                                                              (ushort)channelIndex,
-                                                                              voiceState.NodeId);
+                            _commandBuffer.GeneratePcmFloatDataSourceVersion1(
+                                ref voiceState,
+                                dspState,
+                                (ushort)_rendererContext.MixBufferCount,
+                                (ushort)channelIndex,
+                                voiceState.NodeId);
                             break;
                         case SampleFormat.Adpcm:
-                            _commandBuffer.GenerateAdpcmDataSourceVersion1(ref voiceState,
-                                                                           dspState,
-                                                                           (ushort)_rendererContext.MixBufferCount,
-                                                                           voiceState.NodeId);
+                            _commandBuffer.GenerateAdpcmDataSourceVersion1(
+                                ref voiceState,
+                                dspState,
+                                (ushort)_rendererContext.MixBufferCount,
+                                voiceState.NodeId);
                             break;
                         default:
                             throw new NotImplementedException($"Unsupported data source {voiceState.SampleFormat}");
@@ -134,14 +139,14 @@ namespace Ryujinx.Audio.Renderer.Server
 
         private void GenerateBiquadFilterForVoice(ref VoiceState voiceState, Memory<VoiceUpdateState> state, int baseIndex, int bufferOffset, int nodeId)
         {
-            bool supportsOptimizedPath = _rendererContext.BehaviourContext.IsBiquadFilterGroupedOptimizationSupported();
+            bool supportsOptimizedPath = _rendererContext.BehaviourContext.UseMultiTapBiquadFilterProcessing();
 
             if (supportsOptimizedPath && voiceState.BiquadFilters[0].Enable && voiceState.BiquadFilters[1].Enable)
             {
-                Memory<byte> biquadStateRawMemory = SpanMemoryManager<byte>.Cast(state)[..(VoiceUpdateState.BiquadStateSize * Constants.VoiceBiquadFilterCount)];
+                Memory<byte> biquadStateRawMemory = SpanMemoryManager<byte>.Cast(state)[..(Unsafe.SizeOf<BiquadFilterState>() * Constants.VoiceBiquadFilterCount)];
                 Memory<BiquadFilterState> stateMemory = SpanMemoryManager<BiquadFilterState>.Cast(biquadStateRawMemory);
 
-                _commandBuffer.GenerateGroupedBiquadFilter(baseIndex, voiceState.BiquadFilters.AsSpan(), stateMemory, bufferOffset, bufferOffset, voiceState.BiquadFilterNeedInitialization, nodeId);
+                _commandBuffer.GenerateMultiTapBiquadFilter(baseIndex, voiceState.BiquadFilters.AsSpan(), stateMemory, bufferOffset, bufferOffset, voiceState.BiquadFilterNeedInitialization, nodeId);
             }
             else
             {
@@ -151,33 +156,134 @@ namespace Ryujinx.Audio.Renderer.Server
 
                     if (filter.Enable)
                     {
-                        Memory<byte> biquadStateRawMemory = SpanMemoryManager<byte>.Cast(state)[..(VoiceUpdateState.BiquadStateSize * Constants.VoiceBiquadFilterCount)];
-
+                        Memory<byte> biquadStateRawMemory = SpanMemoryManager<byte>.Cast(state)[..(Unsafe.SizeOf<BiquadFilterState>() * Constants.VoiceBiquadFilterCount)];
                         Memory<BiquadFilterState> stateMemory = SpanMemoryManager<BiquadFilterState>.Cast(biquadStateRawMemory);
 
-                        _commandBuffer.GenerateBiquadFilter(baseIndex,
-                                                            ref filter,
-                                                            stateMemory.Slice(i, 1),
-                                                            bufferOffset,
-                                                            bufferOffset,
-                                                            !voiceState.BiquadFilterNeedInitialization[i],
-                                                            nodeId);
+                        _commandBuffer.GenerateBiquadFilter(
+                            baseIndex,
+                            ref filter,
+                            stateMemory.Slice(i, 1),
+                            bufferOffset,
+                            bufferOffset,
+                            !voiceState.BiquadFilterNeedInitialization[i],
+                            nodeId);
                     }
                 }
             }
         }
 
-        private void GenerateVoiceMix(Span<float> mixVolumes, Span<float> previousMixVolumes, Memory<VoiceUpdateState> state, uint bufferOffset, uint bufferCount, uint bufferIndex, int nodeId)
+        private void GenerateVoiceMixWithSplitter(
+            SplitterDestination destination,
+            Memory<VoiceUpdateState> state,
+            uint bufferOffset,
+            uint bufferCount,
+            uint bufferIndex,
+            int nodeId)
+        {
+            ReadOnlySpan<float> mixVolumes = destination.MixBufferVolume;
+            ReadOnlySpan<float> previousMixVolumes = destination.PreviousMixBufferVolume;
+
+            ref BiquadFilterParameter bqf0 = ref destination.GetBiquadFilterParameter(0);
+            ref BiquadFilterParameter bqf1 = ref destination.GetBiquadFilterParameter(1);
+
+            Memory<BiquadFilterState> bqfState = _splitterContext.GetBiquadFilterState(destination);
+
+            bool isFirstMixBuffer = true;
+
+            for (int i = 0; i < bufferCount; i++)
+            {
+                float previousMixVolume = previousMixVolumes[i];
+                float mixVolume = mixVolumes[i];
+
+                if (mixVolume != 0.0f || previousMixVolume != 0.0f)
+                {
+                    if (bqf0.Enable && bqf1.Enable)
+                    {
+                        _commandBuffer.GenerateMultiTapBiquadFilterAndMix(
+                            previousMixVolume,
+                            mixVolume,
+                            bufferIndex,
+                            bufferOffset + (uint)i,
+                            i,
+                            state,
+                            ref bqf0,
+                            ref bqf1,
+                            bqfState[..1],
+                            bqfState.Slice(1, 1),
+                            bqfState.Slice(2, 1),
+                            bqfState.Slice(3, 1),
+                            !destination.IsBiquadFilterEnabledPrev(),
+                            !destination.IsBiquadFilterEnabledPrev(),
+                            true,
+                            isFirstMixBuffer,
+                            nodeId);
+
+                        destination.UpdateBiquadFilterEnabledPrev(0);
+                        destination.UpdateBiquadFilterEnabledPrev(1);
+                    }
+                    else if (bqf0.Enable)
+                    {
+                        _commandBuffer.GenerateBiquadFilterAndMix(
+                            previousMixVolume,
+                            mixVolume,
+                            bufferIndex,
+                            bufferOffset + (uint)i,
+                            i,
+                            state,
+                            ref bqf0,
+                            bqfState[..1],
+                            bqfState.Slice(1, 1),
+                            !destination.IsBiquadFilterEnabledPrev(),
+                            true,
+                            isFirstMixBuffer,
+                            nodeId);
+
+                        destination.UpdateBiquadFilterEnabledPrev(0);
+                    }
+                    else if (bqf1.Enable)
+                    {
+                        _commandBuffer.GenerateBiquadFilterAndMix(
+                            previousMixVolume,
+                            mixVolume,
+                            bufferIndex,
+                            bufferOffset + (uint)i,
+                            i,
+                            state,
+                            ref bqf1,
+                            bqfState[..1],
+                            bqfState.Slice(1, 1),
+                            !destination.IsBiquadFilterEnabledPrev(),
+                            true,
+                            isFirstMixBuffer,
+                            nodeId);
+
+                        destination.UpdateBiquadFilterEnabledPrev(1);
+                    }
+
+                    isFirstMixBuffer = false;
+                }
+            }
+        }
+
+        private void GenerateVoiceMix(
+            ReadOnlySpan<float> mixVolumes,
+            ReadOnlySpan<float> previousMixVolumes,
+            Memory<VoiceUpdateState> state,
+            uint bufferOffset,
+            uint bufferCount,
+            uint bufferIndex,
+            int nodeId)
         {
             if (bufferCount > Constants.VoiceChannelCountMax)
             {
-                _commandBuffer.GenerateMixRampGrouped(bufferCount,
-                                                      bufferIndex,
-                                                      bufferOffset,
-                                                      previousMixVolumes,
-                                                      mixVolumes,
-                                                      state,
-                                                      nodeId);
+                _commandBuffer.GenerateMixRampGrouped(
+                    bufferCount,
+                    bufferIndex,
+                    bufferOffset,
+                    previousMixVolumes,
+                    mixVolumes,
+                    state,
+                    nodeId);
             }
             else
             {
@@ -188,13 +294,14 @@ namespace Ryujinx.Audio.Renderer.Server
 
                     if (mixVolume != 0.0f || previousMixVolume != 0.0f)
                     {
-                        _commandBuffer.GenerateMixRamp(previousMixVolume,
-                                                       mixVolume,
-                                                       bufferIndex,
-                                                       bufferOffset + (uint)i,
-                                                       i,
-                                                       state,
-                                                       nodeId);
+                        _commandBuffer.GenerateMixRamp(
+                            previousMixVolume,
+                            mixVolume,
+                            bufferIndex,
+                            bufferOffset + (uint)i,
+                            i,
+                            state,
+                            nodeId);
                     }
                 }
             }
@@ -271,10 +378,11 @@ namespace Ryujinx.Audio.Renderer.Server
                         GeneratePerformance(ref performanceEntry, PerformanceCommand.Type.Start, nodeId);
                     }
 
-                    _commandBuffer.GenerateVolumeRamp(voiceState.PreviousVolume,
-                                                      voiceState.Volume,
-                                                      _rendererContext.MixBufferCount + (uint)channelIndex,
-                                                      nodeId);
+                    _commandBuffer.GenerateVolumeRamp(
+                        voiceState.PreviousVolume,
+                        voiceState.Volume,
+                        _rendererContext.MixBufferCount + (uint)channelIndex,
+                        nodeId);
 
                     if (performanceInitialized)
                     {
@@ -291,15 +399,13 @@ namespace Ryujinx.Audio.Renderer.Server
 
                             while (true)
                             {
-                                Span<SplitterDestination> destinationSpan = _splitterContext.GetDestination((int)voiceState.SplitterId, destinationId);
+                                SplitterDestination destination = _splitterContext.GetDestination((int)voiceState.SplitterId, destinationId);
 
-                                if (destinationSpan.IsEmpty)
+                                if (destination.IsNull)
                                 {
                                     break;
                                 }
 
-                                ref SplitterDestination destination = ref destinationSpan[0];
-
                                 destinationId += (int)channelsCount;
 
                                 if (destination.IsConfigured())
@@ -310,13 +416,27 @@ namespace Ryujinx.Audio.Renderer.Server
                                     {
                                         ref MixState mix = ref _mixContext.GetState(mixId);
 
-                                        GenerateVoiceMix(destination.MixBufferVolume,
-                                                         destination.PreviousMixBufferVolume,
-                                                         dspStateMemory,
-                                                         mix.BufferOffset,
-                                                         mix.BufferCount,
-                                                         _rendererContext.MixBufferCount + (uint)channelIndex,
-                                                         nodeId);
+                                        if (destination.IsBiquadFilterEnabled())
+                                        {
+                                            GenerateVoiceMixWithSplitter(
+                                                destination,
+                                                dspStateMemory,
+                                                mix.BufferOffset,
+                                                mix.BufferCount,
+                                                _rendererContext.MixBufferCount + (uint)channelIndex,
+                                                nodeId);
+                                        }
+                                        else
+                                        {
+                                            GenerateVoiceMix(
+                                                destination.MixBufferVolume,
+                                                destination.PreviousMixBufferVolume,
+                                                dspStateMemory,
+                                                mix.BufferOffset,
+                                                mix.BufferCount,
+                                                _rendererContext.MixBufferCount + (uint)channelIndex,
+                                                nodeId);
+                                        }
 
                                         destination.MarkAsNeedToUpdateInternalState();
                                     }
@@ -337,13 +457,14 @@ namespace Ryujinx.Audio.Renderer.Server
                             GeneratePerformance(ref performanceEntry, PerformanceCommand.Type.Start, nodeId);
                         }
 
-                        GenerateVoiceMix(channelResource.Mix.AsSpan(),
-                                         channelResource.PreviousMix.AsSpan(),
-                                         dspStateMemory,
-                                         mix.BufferOffset,
-                                         mix.BufferCount,
-                                         _rendererContext.MixBufferCount + (uint)channelIndex,
-                                         nodeId);
+                        GenerateVoiceMix(
+                            channelResource.Mix.AsSpan(),
+                            channelResource.PreviousMix.AsSpan(),
+                            dspStateMemory,
+                            mix.BufferOffset,
+                            mix.BufferCount,
+                            _rendererContext.MixBufferCount + (uint)channelIndex,
+                            nodeId);
 
                         if (performanceInitialized)
                         {
@@ -409,10 +530,11 @@ namespace Ryujinx.Audio.Renderer.Server
                 {
                     if (effect.Parameter.Volumes[i] != 0.0f)
                     {
-                        _commandBuffer.GenerateMix((uint)bufferOffset + effect.Parameter.Input[i],
-                                                   (uint)bufferOffset + effect.Parameter.Output[i],
-                                                   nodeId,
-                                                   effect.Parameter.Volumes[i]);
+                        _commandBuffer.GenerateMix(
+                            (uint)bufferOffset + effect.Parameter.Input[i],
+                            (uint)bufferOffset + effect.Parameter.Output[i],
+                            nodeId,
+                            effect.Parameter.Volumes[i]);
                     }
                 }
             }
@@ -447,17 +569,18 @@ namespace Ryujinx.Audio.Renderer.Server
                         updateCount = newUpdateCount;
                     }
 
-                    _commandBuffer.GenerateAuxEffect(bufferOffset,
-                                                     effect.Parameter.Input[i],
-                                                     effect.Parameter.Output[i],
-                                                     ref effect.State,
-                                                     effect.IsEnabled,
-                                                     effect.Parameter.BufferStorageSize,
-                                                     effect.State.SendBufferInfoBase,
-                                                     effect.State.ReturnBufferInfoBase,
-                                                     updateCount,
-                                                     writeOffset,
-                                                     nodeId);
+                    _commandBuffer.GenerateAuxEffect(
+                        bufferOffset,
+                        effect.Parameter.Input[i],
+                        effect.Parameter.Output[i],
+                        ref effect.State,
+                        effect.IsEnabled,
+                        effect.Parameter.BufferStorageSize,
+                        effect.State.SendBufferInfoBase,
+                        effect.State.ReturnBufferInfoBase,
+                        updateCount,
+                        writeOffset,
+                        nodeId);
 
                     writeOffset = newUpdateCount;
 
@@ -500,7 +623,7 @@ namespace Ryujinx.Audio.Renderer.Server
             if (effect.IsEnabled)
             {
                 bool needInitialization = effect.Parameter.Status == UsageState.Invalid ||
-                                         (effect.Parameter.Status == UsageState.New && !_rendererContext.BehaviourContext.IsBiquadFilterEffectStateClearBugFixed());
+                    (effect.Parameter.Status == UsageState.New && !_rendererContext.BehaviourContext.IsBiquadFilterEffectStateClearBugFixed());
 
                 BiquadFilterParameter parameter = new()
                 {
@@ -512,11 +635,14 @@ namespace Ryujinx.Audio.Renderer.Server
 
                 for (int i = 0; i < effect.Parameter.ChannelCount; i++)
                 {
-                    _commandBuffer.GenerateBiquadFilter((int)bufferOffset, ref parameter, effect.State.Slice(i, 1),
-                                                        effect.Parameter.Input[i],
-                                                        effect.Parameter.Output[i],
-                                                        needInitialization,
-                                                        nodeId);
+                    _commandBuffer.GenerateBiquadFilter(
+                        (int)bufferOffset,
+                        ref parameter,
+                        effect.State.Slice(i, 1),
+                        effect.Parameter.Input[i],
+                        effect.Parameter.Output[i],
+                        needInitialization,
+                        nodeId);
                 }
             }
             else
@@ -591,15 +717,16 @@ namespace Ryujinx.Audio.Renderer.Server
                         updateCount = newUpdateCount;
                     }
 
-                    _commandBuffer.GenerateCaptureEffect(bufferOffset,
-                                                         effect.Parameter.Input[i],
-                                                         effect.State.SendBufferInfo,
-                                                         effect.IsEnabled,
-                                                         effect.Parameter.BufferStorageSize,
-                                                         effect.State.SendBufferInfoBase,
-                                                         updateCount,
-                                                         writeOffset,
-                                                         nodeId);
+                    _commandBuffer.GenerateCaptureEffect(
+                        bufferOffset,
+                        effect.Parameter.Input[i],
+                        effect.State.SendBufferInfo,
+                        effect.IsEnabled,
+                        effect.Parameter.BufferStorageSize,
+                        effect.State.SendBufferInfoBase,
+                        updateCount,
+                        writeOffset,
+                        nodeId);
 
                     writeOffset = newUpdateCount;
 
@@ -612,11 +739,12 @@ namespace Ryujinx.Audio.Renderer.Server
         {
             Debug.Assert(effect.Type == EffectType.Compressor);
 
-            _commandBuffer.GenerateCompressorEffect(bufferOffset,
-                                                    effect.Parameter,
-                                                    effect.State,
-                                                    effect.IsEnabled,
-                                                    nodeId);
+            _commandBuffer.GenerateCompressorEffect(
+                bufferOffset,
+                effect.Parameter,
+                effect.State,
+                effect.IsEnabled,
+                nodeId);
         }
 
         private void GenerateEffect(ref MixState mix, int effectId, BaseEffect effect)
@@ -629,8 +757,11 @@ namespace Ryujinx.Audio.Renderer.Server
 
             bool performanceInitialized = false;
 
-            if (_performanceManager != null && _performanceManager.GetNextEntry(out performanceEntry, effect.GetPerformanceDetailType(),
-                                                isFinalMix ? PerformanceEntryType.FinalMix : PerformanceEntryType.SubMix, nodeId))
+            if (_performanceManager != null && _performanceManager.GetNextEntry(
+                out performanceEntry,
+                effect.GetPerformanceDetailType(),
+                isFinalMix ? PerformanceEntryType.FinalMix : PerformanceEntryType.SubMix,
+                nodeId))
             {
                 performanceInitialized = true;
 
@@ -706,6 +837,85 @@ namespace Ryujinx.Audio.Renderer.Server
             }
         }
 
+        private void GenerateMixWithSplitter(
+            uint inputBufferIndex,
+            uint outputBufferIndex,
+            float volume,
+            SplitterDestination destination,
+            ref bool isFirstMixBuffer,
+            int nodeId)
+        {
+            ref BiquadFilterParameter bqf0 = ref destination.GetBiquadFilterParameter(0);
+            ref BiquadFilterParameter bqf1 = ref destination.GetBiquadFilterParameter(1);
+
+            Memory<BiquadFilterState> bqfState = _splitterContext.GetBiquadFilterState(destination);
+
+            if (bqf0.Enable && bqf1.Enable)
+            {
+                _commandBuffer.GenerateMultiTapBiquadFilterAndMix(
+                    0f,
+                    volume,
+                    inputBufferIndex,
+                    outputBufferIndex,
+                    0,
+                    Memory<VoiceUpdateState>.Empty,
+                    ref bqf0,
+                    ref bqf1,
+                    bqfState[..1],
+                    bqfState.Slice(1, 1),
+                    bqfState.Slice(2, 1),
+                    bqfState.Slice(3, 1),
+                    !destination.IsBiquadFilterEnabledPrev(),
+                    !destination.IsBiquadFilterEnabledPrev(),
+                    false,
+                    isFirstMixBuffer,
+                    nodeId);
+
+                destination.UpdateBiquadFilterEnabledPrev(0);
+                destination.UpdateBiquadFilterEnabledPrev(1);
+            }
+            else if (bqf0.Enable)
+            {
+                _commandBuffer.GenerateBiquadFilterAndMix(
+                    0f,
+                    volume,
+                    inputBufferIndex,
+                    outputBufferIndex,
+                    0,
+                    Memory<VoiceUpdateState>.Empty,
+                    ref bqf0,
+                    bqfState[..1],
+                    bqfState.Slice(1, 1),
+                    !destination.IsBiquadFilterEnabledPrev(),
+                    false,
+                    isFirstMixBuffer,
+                    nodeId);
+
+                destination.UpdateBiquadFilterEnabledPrev(0);
+            }
+            else if (bqf1.Enable)
+            {
+                _commandBuffer.GenerateBiquadFilterAndMix(
+                    0f,
+                    volume,
+                    inputBufferIndex,
+                    outputBufferIndex,
+                    0,
+                    Memory<VoiceUpdateState>.Empty,
+                    ref bqf1,
+                    bqfState[..1],
+                    bqfState.Slice(1, 1),
+                    !destination.IsBiquadFilterEnabledPrev(),
+                    false,
+                    isFirstMixBuffer,
+                    nodeId);
+
+                destination.UpdateBiquadFilterEnabledPrev(1);
+            }
+
+            isFirstMixBuffer = false;
+        }
+
         private void GenerateMix(ref MixState mix)
         {
             if (mix.HasAnyDestination())
@@ -722,15 +932,13 @@ namespace Ryujinx.Audio.Renderer.Server
                         {
                             int destinationIndex = destinationId++;
 
-                            Span<SplitterDestination> destinationSpan = _splitterContext.GetDestination((int)mix.DestinationSplitterId, destinationIndex);
+                            SplitterDestination destination = _splitterContext.GetDestination((int)mix.DestinationSplitterId, destinationIndex);
 
-                            if (destinationSpan.IsEmpty)
+                            if (destination.IsNull)
                             {
                                 break;
                             }
 
-                            ref SplitterDestination destination = ref destinationSpan[0];
-
                             if (destination.IsConfigured())
                             {
                                 int mixId = destination.DestinationId;
@@ -741,16 +949,32 @@ namespace Ryujinx.Audio.Renderer.Server
 
                                     uint inputBufferIndex = mix.BufferOffset + ((uint)destinationIndex % mix.BufferCount);
 
+                                    bool isFirstMixBuffer = true;
+
                                     for (uint bufferDestinationIndex = 0; bufferDestinationIndex < destinationMix.BufferCount; bufferDestinationIndex++)
                                     {
                                         float volume = mix.Volume * destination.GetMixVolume((int)bufferDestinationIndex);
 
                                         if (volume != 0.0f)
                                         {
-                                            _commandBuffer.GenerateMix(inputBufferIndex,
-                                                                       destinationMix.BufferOffset + bufferDestinationIndex,
-                                                                       mix.NodeId,
-                                                                       volume);
+                                            if (destination.IsBiquadFilterEnabled())
+                                            {
+                                                GenerateMixWithSplitter(
+                                                    inputBufferIndex,
+                                                    destinationMix.BufferOffset + bufferDestinationIndex,
+                                                    volume,
+                                                    destination,
+                                                    ref isFirstMixBuffer,
+                                                    mix.NodeId);
+                                            }
+                                            else
+                                            {
+                                                _commandBuffer.GenerateMix(
+                                                    inputBufferIndex,
+                                                    destinationMix.BufferOffset + bufferDestinationIndex,
+                                                    mix.NodeId,
+                                                    volume);
+                                            }
                                         }
                                     }
                                 }
@@ -770,10 +994,11 @@ namespace Ryujinx.Audio.Renderer.Server
 
                             if (volume != 0.0f)
                             {
-                                _commandBuffer.GenerateMix(mix.BufferOffset + bufferIndex,
-                                                           destinationMix.BufferOffset + bufferDestinationIndex,
-                                                           mix.NodeId,
-                                                           volume);
+                                _commandBuffer.GenerateMix(
+                                    mix.BufferOffset + bufferIndex,
+                                    destinationMix.BufferOffset + bufferDestinationIndex,
+                                    mix.NodeId,
+                                    volume);
                             }
                         }
                     }
@@ -783,11 +1008,12 @@ namespace Ryujinx.Audio.Renderer.Server
 
         private void GenerateSubMix(ref MixState subMix)
         {
-            _commandBuffer.GenerateDepopForMixBuffersCommand(_rendererContext.DepopBuffer,
-                                                             subMix.BufferOffset,
-                                                             subMix.BufferCount,
-                                                             subMix.NodeId,
-                                                             subMix.SampleRate);
+            _commandBuffer.GenerateDepopForMixBuffers(
+                _rendererContext.DepopBuffer,
+                subMix.BufferOffset,
+                subMix.BufferCount,
+                subMix.NodeId,
+                subMix.SampleRate);
 
             GenerateEffects(ref subMix);
 
@@ -847,11 +1073,12 @@ namespace Ryujinx.Audio.Renderer.Server
         {
             ref MixState finalMix = ref _mixContext.GetFinalState();
 
-            _commandBuffer.GenerateDepopForMixBuffersCommand(_rendererContext.DepopBuffer,
-                                                             finalMix.BufferOffset,
-                                                             finalMix.BufferCount,
-                                                             finalMix.NodeId,
-                                                             finalMix.SampleRate);
+            _commandBuffer.GenerateDepopForMixBuffers(
+                _rendererContext.DepopBuffer,
+                finalMix.BufferOffset,
+                finalMix.BufferCount,
+                finalMix.NodeId,
+                finalMix.SampleRate);
 
             GenerateEffects(ref finalMix);
 
@@ -882,9 +1109,10 @@ namespace Ryujinx.Audio.Renderer.Server
                         GeneratePerformance(ref performanceEntry, PerformanceCommand.Type.Start, nodeId);
                     }
 
-                    _commandBuffer.GenerateVolume(finalMix.Volume,
-                                                  finalMix.BufferOffset + bufferIndex,
-                                                  nodeId);
+                    _commandBuffer.GenerateVolume(
+                        finalMix.Volume,
+                        finalMix.BufferOffset + bufferIndex,
+                        nodeId);
 
                     if (performanceSubInitialized)
                     {
@@ -938,41 +1166,45 @@ namespace Ryujinx.Audio.Renderer.Server
 
             if (useCustomDownMixingCommand)
             {
-                _commandBuffer.GenerateDownMixSurroundToStereo(finalMix.BufferOffset,
-                                                               sink.Parameter.Input.AsSpan(),
-                                                               sink.Parameter.Input.AsSpan(),
-                                                               sink.DownMixCoefficients,
-                                                               Constants.InvalidNodeId);
+                _commandBuffer.GenerateDownMixSurroundToStereo(
+                    finalMix.BufferOffset,
+                    sink.Parameter.Input.AsSpan(),
+                    sink.Parameter.Input.AsSpan(),
+                    sink.DownMixCoefficients,
+                    Constants.InvalidNodeId);
             }
             // NOTE: We do the downmixing at the DSP level as it's easier that way.
             else if (_rendererContext.ChannelCount == 2 && sink.Parameter.InputCount == 6)
             {
-                _commandBuffer.GenerateDownMixSurroundToStereo(finalMix.BufferOffset,
-                                                               sink.Parameter.Input.AsSpan(),
-                                                               sink.Parameter.Input.AsSpan(),
-                                                               Constants.DefaultSurroundToStereoCoefficients,
-                                                               Constants.InvalidNodeId);
+                _commandBuffer.GenerateDownMixSurroundToStereo(
+                    finalMix.BufferOffset,
+                    sink.Parameter.Input.AsSpan(),
+                    sink.Parameter.Input.AsSpan(),
+                    Constants.DefaultSurroundToStereoCoefficients,
+                    Constants.InvalidNodeId);
             }
 
             CommandList commandList = _commandBuffer.CommandList;
 
             if (sink.UpsamplerState != null)
             {
-                _commandBuffer.GenerateUpsample(finalMix.BufferOffset,
-                                                sink.UpsamplerState,
-                                                sink.Parameter.InputCount,
-                                                sink.Parameter.Input.AsSpan(),
-                                                commandList.BufferCount,
-                                                commandList.SampleCount,
-                                                commandList.SampleRate,
-                                                Constants.InvalidNodeId);
+                _commandBuffer.GenerateUpsample(
+                    finalMix.BufferOffset,
+                    sink.UpsamplerState,
+                    sink.Parameter.InputCount,
+                    sink.Parameter.Input.AsSpan(),
+                    commandList.BufferCount,
+                    commandList.SampleCount,
+                    commandList.SampleRate,
+                    Constants.InvalidNodeId);
             }
 
-            _commandBuffer.GenerateDeviceSink(finalMix.BufferOffset,
-                                              sink,
-                                              _rendererContext.SessionId,
-                                              commandList.Buffers,
-                                              Constants.InvalidNodeId);
+            _commandBuffer.GenerateDeviceSink(
+                finalMix.BufferOffset,
+                sink,
+                _rendererContext.SessionId,
+                commandList.Buffers,
+                Constants.InvalidNodeId);
         }
 
         private void GenerateSink(BaseSink sink, ref MixState finalMix)

src/Ryujinx.Audio/Renderer/Server/CommandProcessingTimeEstimatorVersion1.cs

@@ -170,7 +170,7 @@ namespace Ryujinx.Audio.Renderer.Server
             return 0;
         }
 
-        public uint Estimate(GroupedBiquadFilterCommand command)
+        public uint Estimate(MultiTapBiquadFilterCommand command)
         {
             return 0;
         }
@@ -184,5 +184,15 @@ namespace Ryujinx.Audio.Renderer.Server
         {
             return 0;
         }
+
+        public uint Estimate(BiquadFilterAndMixCommand command)
+        {
+            return 0;
+        }
+
+        public uint Estimate(MultiTapBiquadFilterAndMixCommand command)
+        {
+            return 0;
+        }
     }
 }

src/Ryujinx.Audio/Renderer/Server/CommandProcessingTimeEstimatorVersion2.cs

@@ -462,7 +462,7 @@ namespace Ryujinx.Audio.Renderer.Server
             return 0;
         }
 
-        public uint Estimate(GroupedBiquadFilterCommand command)
+        public uint Estimate(MultiTapBiquadFilterCommand command)
         {
             return 0;
         }
@@ -476,5 +476,15 @@ namespace Ryujinx.Audio.Renderer.Server
         {
             return 0;
         }
+
+        public uint Estimate(BiquadFilterAndMixCommand command)
+        {
+            return 0;
+        }
+
+        public uint Estimate(MultiTapBiquadFilterAndMixCommand command)
+        {
+            return 0;
+        }
     }
 }

src/Ryujinx.Audio/Renderer/Server/CommandProcessingTimeEstimatorVersion3.cs

@@ -632,7 +632,7 @@ namespace Ryujinx.Audio.Renderer.Server
             };
         }
 
-        public virtual uint Estimate(GroupedBiquadFilterCommand command)
+        public virtual uint Estimate(MultiTapBiquadFilterCommand command)
         {
             return 0;
         }
@@ -646,5 +646,15 @@ namespace Ryujinx.Audio.Renderer.Server
         {
             return 0;
         }
+
+        public virtual uint Estimate(BiquadFilterAndMixCommand command)
+        {
+            return 0;
+        }
+
+        public virtual uint Estimate(MultiTapBiquadFilterAndMixCommand command)
+        {
+            return 0;
+        }
     }
 }

src/Ryujinx.Audio/Renderer/Server/CommandProcessingTimeEstimatorVersion4.cs

@@ -10,7 +10,7 @@ namespace Ryujinx.Audio.Renderer.Server
     {
         public CommandProcessingTimeEstimatorVersion4(uint sampleCount, uint bufferCount) : base(sampleCount, bufferCount) { }
 
-        public override uint Estimate(GroupedBiquadFilterCommand command)
+        public override uint Estimate(MultiTapBiquadFilterCommand command)
         {
             Debug.Assert(SampleCount == 160 || SampleCount == 240);
 

src/Ryujinx.Audio/Renderer/Server/CommandProcessingTimeEstimatorVersion5.cs

@@ -210,5 +210,53 @@ namespace Ryujinx.Audio.Renderer.Server
                 _ => throw new NotImplementedException($"{command.Parameter.ChannelCount}"),
             };
         }
+
+        public override uint Estimate(BiquadFilterAndMixCommand command)
+        {
+            Debug.Assert(SampleCount == 160 || SampleCount == 240);
+
+            if (command.HasVolumeRamp)
+            {
+                if (SampleCount == 160)
+                {
+                    return 5204;
+                }
+
+                return 6683;
+            }
+            else
+            {
+                if (SampleCount == 160)
+                {
+                    return 3427;
+                }
+
+                return 4752;
+            }
+        }
+
+        public override uint Estimate(MultiTapBiquadFilterAndMixCommand command)
+        {
+            Debug.Assert(SampleCount == 160 || SampleCount == 240);
+
+            if (command.HasVolumeRamp)
+            {
+                if (SampleCount == 160)
+                {
+                    return 7939;
+                }
+
+                return 10669;
+            }
+            else
+            {
+                if (SampleCount == 160)
+                {
+                    return 6256;
+                }
+
+                return 8683;
+            }
+        }
     }
 }

src/Ryujinx.Audio/Renderer/Server/ICommandProcessingTimeEstimator.cs

@@ -33,8 +33,10 @@ namespace Ryujinx.Audio.Renderer.Server
         uint Estimate(UpsampleCommand command);
         uint Estimate(LimiterCommandVersion1 command);
         uint Estimate(LimiterCommandVersion2 command);
-        uint Estimate(GroupedBiquadFilterCommand command);
+        uint Estimate(MultiTapBiquadFilterCommand command);
         uint Estimate(CaptureBufferCommand command);
         uint Estimate(CompressorCommand command);
+        uint Estimate(BiquadFilterAndMixCommand command);
+        uint Estimate(MultiTapBiquadFilterAndMixCommand command);
     }
 }

src/Ryujinx.Audio/Renderer/Server/Mix/MixState.cs

@@ -225,11 +225,11 @@ namespace Ryujinx.Audio.Renderer.Server.Mix
 
                     for (int i = 0; i < splitter.DestinationCount; i++)
                     {
-                        Span<SplitterDestination> destination = splitter.GetData(i);
+                        SplitterDestination destination = splitter.GetData(i);
 
-                        if (!destination.IsEmpty)
+                        if (!destination.IsNull)
                         {
-                            int destinationMixId = destination[0].DestinationId;
+                            int destinationMixId = destination.DestinationId;
 
                             if (destinationMixId != UnusedMixId)
                             {

src/Ryujinx.Audio/Renderer/Server/Performance/PerformanceManager.cs

@@ -18,16 +18,12 @@ namespace Ryujinx.Audio.Renderer.Server.Performance
 
             if (version == 2)
             {
-                return (ulong)PerformanceManagerGeneric<PerformanceFrameHeaderVersion2,
-                                                 PerformanceEntryVersion2,
-                                                 PerformanceDetailVersion2>.GetRequiredBufferSizeForPerformanceMetricsPerFrame(ref parameter);
+                return (ulong)PerformanceManagerGeneric<PerformanceFrameHeaderVersion2, PerformanceEntryVersion2, PerformanceDetailVersion2>.GetRequiredBufferSizeForPerformanceMetricsPerFrame(ref parameter);
             }
 
             if (version == 1)
             {
-                return (ulong)PerformanceManagerGeneric<PerformanceFrameHeaderVersion1,
-                    PerformanceEntryVersion1,
-                    PerformanceDetailVersion1>.GetRequiredBufferSizeForPerformanceMetricsPerFrame(ref parameter);
+                return (ulong)PerformanceManagerGeneric<PerformanceFrameHeaderVersion1, PerformanceEntryVersion1, PerformanceDetailVersion1>.GetRequiredBufferSizeForPerformanceMetricsPerFrame(ref parameter);
             }
 
             throw new NotImplementedException($"Unknown Performance metrics data format version {version}");

src/Ryujinx.Audio/Renderer/Server/Performance/PerformanceManagerGeneric.cs

@@ -234,7 +234,7 @@ namespace Ryujinx.Audio.Renderer.Server.Performance
         {
             performanceEntry = null;
 
-            if (_entryDetailIndex > MaxFrameDetailCount)
+            if (_entryDetailIndex >= MaxFrameDetailCount)
             {
                 return false;
             }
@@ -245,7 +245,7 @@ namespace Ryujinx.Audio.Renderer.Server.Performance
                 EntryCountOffset = (uint)CurrentHeader.GetEntryCountOffset(),
             };
 
-            uint baseEntryOffset = (uint)(Unsafe.SizeOf<THeader>() + GetEntriesSize() + Unsafe.SizeOf<IPerformanceDetailEntry>() * _entryDetailIndex);
+            uint baseEntryOffset = (uint)(Unsafe.SizeOf<THeader>() + GetEntriesSize() + Unsafe.SizeOf<TEntryDetail>() * _entryDetailIndex);
 
             ref TEntryDetail entryDetail = ref EntriesDetail[_entryDetailIndex];
 

src/Ryujinx.Audio/Renderer/Server/Splitter/SplitterContext.cs

@@ -1,4 +1,5 @@
 using Ryujinx.Audio.Renderer.Common;
+using Ryujinx.Audio.Renderer.Dsp.State;
 using Ryujinx.Audio.Renderer.Parameter;
 using Ryujinx.Audio.Renderer.Utils;
 using Ryujinx.Common;
@@ -15,15 +16,35 @@ namespace Ryujinx.Audio.Renderer.Server.Splitter
     /// </summary>
     public class SplitterContext
     {
+        /// <summary>
+        /// Amount of biquad filter states per splitter destination.
+        /// </summary>
+        public const int BqfStatesPerDestination = 4;
+
         /// <summary>
         /// Storage for <see cref="SplitterState"/>.
         /// </summary>
         private Memory<SplitterState> _splitters;
 
         /// <summary>
-        /// Storage for <see cref="SplitterDestination"/>.
+        /// Storage for <see cref="SplitterDestinationVersion1"/>.
         /// </summary>
-        private Memory<SplitterDestination> _splitterDestinations;
+        private Memory<SplitterDestinationVersion1> _splitterDestinationsV1;
+
+        /// <summary>
+        /// Storage for <see cref="SplitterDestinationVersion2"/>.
+        /// </summary>
+        private Memory<SplitterDestinationVersion2> _splitterDestinationsV2;
+
+        /// <summary>
+        /// Splitter biquad filtering states.
+        /// </summary>
+        private Memory<BiquadFilterState> _splitterBqfStates;
+
+        /// <summary>
+        /// Version of the splitter context that is being used, currently can be 1 or 2.
+        /// </summary>
+        public int Version { get; private set; }
 
         /// <summary>
         /// If set to true, trust the user destination count in <see cref="SplitterState.Update(SplitterContext, in SplitterInParameter, ref SequenceReader{byte})"/>.
@@ -36,12 +57,17 @@ namespace Ryujinx.Audio.Renderer.Server.Splitter
         /// <param name="behaviourContext">The behaviour context.</param>
         /// <param name="parameter">The audio renderer configuration.</param>
         /// <param name="workBufferAllocator">The <see cref="WorkBufferAllocator"/>.</param>
+        /// <param name="splitterBqfStates">Memory to store the biquad filtering state for splitters during processing.</param>
         /// <returns>Return true if the initialization was successful.</returns>
-        public bool Initialize(ref BehaviourContext behaviourContext, ref AudioRendererConfiguration parameter, WorkBufferAllocator workBufferAllocator)
+        public bool Initialize(
+            ref BehaviourContext behaviourContext,
+            ref AudioRendererConfiguration parameter,
+            WorkBufferAllocator workBufferAllocator,
+            Memory<BiquadFilterState> splitterBqfStates)
         {
             if (!behaviourContext.IsSplitterSupported() || parameter.SplitterCount <= 0 || parameter.SplitterDestinationCount <= 0)
             {
-                Setup(Memory<SplitterState>.Empty, Memory<SplitterDestination>.Empty, false);
+                Setup(Memory<SplitterState>.Empty, Memory<SplitterDestinationVersion1>.Empty, Memory<SplitterDestinationVersion2>.Empty, false);
 
                 return true;
             }
@@ -60,23 +86,62 @@ namespace Ryujinx.Audio.Renderer.Server.Splitter
                 splitter = new SplitterState(splitterId++);
             }
 
-            Memory<SplitterDestination> splitterDestinations = workBufferAllocator.Allocate<SplitterDestination>(parameter.SplitterDestinationCount,
-                SplitterDestination.Alignment);
+            Memory<SplitterDestinationVersion1> splitterDestinationsV1 = Memory<SplitterDestinationVersion1>.Empty;
+            Memory<SplitterDestinationVersion2> splitterDestinationsV2 = Memory<SplitterDestinationVersion2>.Empty;
 
-            if (splitterDestinations.IsEmpty)
+            if (!behaviourContext.IsBiquadFilterParameterForSplitterEnabled())
             {
-                return false;
+                Version = 1;
+
+                splitterDestinationsV1 = workBufferAllocator.Allocate<SplitterDestinationVersion1>(parameter.SplitterDestinationCount,
+                    SplitterDestinationVersion1.Alignment);
+
+                if (splitterDestinationsV1.IsEmpty)
+                {
+                    return false;
+                }
+
+                int splitterDestinationId = 0;
+                foreach (ref SplitterDestinationVersion1 data in splitterDestinationsV1.Span)
+                {
+                    data = new SplitterDestinationVersion1(splitterDestinationId++);
+                }
             }
-
-            int splitterDestinationId = 0;
-            foreach (ref SplitterDestination data in splitterDestinations.Span)
+            else
             {
-                data = new SplitterDestination(splitterDestinationId++);
+                Version = 2;
+
+                splitterDestinationsV2 = workBufferAllocator.Allocate<SplitterDestinationVersion2>(parameter.SplitterDestinationCount,
+                    SplitterDestinationVersion2.Alignment);
+
+                if (splitterDestinationsV2.IsEmpty)
+                {
+                    return false;
+                }
+
+                int splitterDestinationId = 0;
+                foreach (ref SplitterDestinationVersion2 data in splitterDestinationsV2.Span)
+                {
+                    data = new SplitterDestinationVersion2(splitterDestinationId++);
+                }
+
+                if (parameter.SplitterDestinationCount > 0)
+                {
+                    // Official code stores it in the SplitterDestinationVersion2 struct,
+                    // but we don't to avoid using unsafe code.
+
+                    splitterBqfStates.Span.Clear();
+                    _splitterBqfStates = splitterBqfStates;
+                }
+                else
+                {
+                    _splitterBqfStates = Memory<BiquadFilterState>.Empty;
+                }
             }
 
             SplitterState.InitializeSplitters(splitters.Span);
 
-            Setup(splitters, splitterDestinations, behaviourContext.IsSplitterBugFixed());
+            Setup(splitters, splitterDestinationsV1, splitterDestinationsV2, behaviourContext.IsSplitterBugFixed());
 
             return true;
         }
@@ -93,7 +158,15 @@ namespace Ryujinx.Audio.Renderer.Server.Splitter
             if (behaviourContext.IsSplitterSupported())
             {
                 size = WorkBufferAllocator.GetTargetSize<SplitterState>(size, parameter.SplitterCount, SplitterState.Alignment);
-                size = WorkBufferAllocator.GetTargetSize<SplitterDestination>(size, parameter.SplitterDestinationCount, SplitterDestination.Alignment);
+
+                if (behaviourContext.IsBiquadFilterParameterForSplitterEnabled())
+                {
+                    size = WorkBufferAllocator.GetTargetSize<SplitterDestinationVersion2>(size, parameter.SplitterDestinationCount, SplitterDestinationVersion2.Alignment);
+                }
+                else
+                {
+                    size = WorkBufferAllocator.GetTargetSize<SplitterDestinationVersion1>(size, parameter.SplitterDestinationCount, SplitterDestinationVersion1.Alignment);
+                }
 
                 if (behaviourContext.IsSplitterBugFixed())
                 {
@@ -110,12 +183,18 @@ namespace Ryujinx.Audio.Renderer.Server.Splitter
         /// Setup the <see cref="SplitterContext"/> instance.
         /// </summary>
         /// <param name="splitters">The <see cref="SplitterState"/> storage.</param>
-        /// <param name="splitterDestinations">The <see cref="SplitterDestination"/> storage.</param>
+        /// <param name="splitterDestinationsV1">The <see cref="SplitterDestinationVersion1"/> storage.</param>
+        /// <param name="splitterDestinationsV2">The <see cref="SplitterDestinationVersion2"/> storage.</param>
         /// <param name="isBugFixed">If set to true, trust the user destination count in <see cref="SplitterState.Update(SplitterContext, in SplitterInParameter, ref SequenceReader{byte})"/>.</param>
-        private void Setup(Memory<SplitterState> splitters, Memory<SplitterDestination> splitterDestinations, bool isBugFixed)
+        private void Setup(
+            Memory<SplitterState> splitters,
+            Memory<SplitterDestinationVersion1> splitterDestinationsV1,
+            Memory<SplitterDestinationVersion2> splitterDestinationsV2,
+            bool isBugFixed)
         {
             _splitters = splitters;
-            _splitterDestinations = splitterDestinations;
+            _splitterDestinationsV1 = splitterDestinationsV1;
+            _splitterDestinationsV2 = splitterDestinationsV2;
             IsBugFixed = isBugFixed;
         }
 
@@ -141,7 +220,9 @@ namespace Ryujinx.Audio.Renderer.Server.Splitter
                 return 0;
             }
 
-            return _splitterDestinations.Length / _splitters.Length;
+            int length = _splitterDestinationsV2.IsEmpty ? _splitterDestinationsV1.Length : _splitterDestinationsV2.Length;
+
+            return length / _splitters.Length;
         }
 
         /// <summary>
@@ -178,7 +259,39 @@ namespace Ryujinx.Audio.Renderer.Server.Splitter
         }
 
         /// <summary>
-        /// Update one or multiple <see cref="SplitterDestination"/> from user parameters.
+        /// Update one splitter destination data from user parameters.
+        /// </summary>
+        /// <param name="input">The raw data after the splitter header.</param>
+        /// <returns>True if the update was successful, false otherwise</returns>
+        private bool UpdateData<T>(ref SequenceReader<byte> input) where T : unmanaged, ISplitterDestinationInParameter
+        {
+            ref readonly T parameter = ref input.GetRefOrRefToCopy<T>(out _);
+
+            Debug.Assert(parameter.IsMagicValid());
+
+            if (parameter.IsMagicValid())
+            {
+                int length = _splitterDestinationsV2.IsEmpty ? _splitterDestinationsV1.Length : _splitterDestinationsV2.Length;
+
+                if (parameter.Id >= 0 && parameter.Id < length)
+                {
+                    SplitterDestination destination = GetDestination(parameter.Id);
+
+                    destination.Update(parameter);
+                }
+
+                return true;
+            }
+            else
+            {
+                input.Rewind(Unsafe.SizeOf<T>());
+
+                return false;
+            }
+        }
+
+        /// <summary>
+        /// Update one or multiple splitter destination data from user parameters.
         /// </summary>
         /// <param name="inputHeader">The splitter header.</param>
         /// <param name="input">The raw data after the splitter header.</param>
@@ -186,23 +299,23 @@ namespace Ryujinx.Audio.Renderer.Server.Splitter
         {
             for (int i = 0; i < inputHeader.SplitterDestinationCount; i++)
             {
-                ref readonly SplitterDestinationInParameter parameter = ref input.GetRefOrRefToCopy<SplitterDestinationInParameter>(out _);
-
-                Debug.Assert(parameter.IsMagicValid());
-
-                if (parameter.IsMagicValid())
+                if (Version == 1)
                 {
-                    if (parameter.Id >= 0 && parameter.Id < _splitterDestinations.Length)
+                    if (!UpdateData<SplitterDestinationInParameterVersion1>(ref input))
                     {
-                        ref SplitterDestination destination = ref GetDestination(parameter.Id);
-
-                        destination.Update(parameter);
+                        break;
+                    }
+                }
+                else if (Version == 2)
+                {
+                    if (!UpdateData<SplitterDestinationInParameterVersion2>(ref input))
+                    {
+                        break;
                     }
                 }
                 else
                 {
-                    input.Rewind(Unsafe.SizeOf<SplitterDestinationInParameter>());
-                    break;
+                    Debug.Fail($"Invalid splitter context version {Version}.");
                 }
             }
         }
@@ -214,7 +327,7 @@ namespace Ryujinx.Audio.Renderer.Server.Splitter
         /// <returns>Return true if the update was successful.</returns>
         public bool Update(ref SequenceReader<byte> input)
         {
-            if (_splitterDestinations.IsEmpty || _splitters.IsEmpty)
+            if (!UsingSplitter())
             {
                 return true;
             }
@@ -251,45 +364,52 @@ namespace Ryujinx.Audio.Renderer.Server.Splitter
         }
 
         /// <summary>
-        /// Get a reference to a <see cref="SplitterDestination"/> at the given <paramref name="id"/>.
+        /// Get a reference to the splitter destination data at the given <paramref name="id"/>.
         /// </summary>
         /// <param name="id">The index to use.</param>
-        /// <returns>A reference to a <see cref="SplitterDestination"/> at the given <paramref name="id"/>.</returns>
-        public ref SplitterDestination GetDestination(int id)
+        /// <returns>A reference to the splitter destination data at the given <paramref name="id"/>.</returns>
+        public SplitterDestination GetDestination(int id)
         {
-            return ref SpanIOHelper.GetFromMemory(_splitterDestinations, id, (uint)_splitterDestinations.Length);
+            if (_splitterDestinationsV2.IsEmpty)
+            {
+                return new SplitterDestination(ref SpanIOHelper.GetFromMemory(_splitterDestinationsV1, id, (uint)_splitterDestinationsV1.Length));
+            }
+            else
+            {
+                return new SplitterDestination(ref SpanIOHelper.GetFromMemory(_splitterDestinationsV2, id, (uint)_splitterDestinationsV2.Length));
+            }
         }
 
         /// <summary>
-        /// Get a <see cref="Memory{SplitterDestination}"/> at the given <paramref name="id"/>.
-        /// </summary>
-        /// <param name="id">The index to use.</param>
-        /// <returns>A <see cref="Memory{SplitterDestination}"/> at the given <paramref name="id"/>.</returns>
-        public Memory<SplitterDestination> GetDestinationMemory(int id)
-        {
-            return SpanIOHelper.GetMemory(_splitterDestinations, id, (uint)_splitterDestinations.Length);
-        }
-
-        /// <summary>
-        /// Get a <see cref="Span{SplitterDestination}"/> in the <see cref="SplitterState"/> at <paramref name="id"/> and pass <paramref name="destinationId"/> to <see cref="SplitterState.GetData(int)"/>.
+        /// Get a <see cref="SplitterDestination"/> in the <see cref="SplitterState"/> at <paramref name="id"/> and pass <paramref name="destinationId"/> to <see cref="SplitterState.GetData(int)"/>.
         /// </summary>
         /// <param name="id">The index to use to get the <see cref="SplitterState"/>.</param>
         /// <param name="destinationId">The index of the <see cref="SplitterDestination"/>.</param>
-        /// <returns>A <see cref="Span{SplitterDestination}"/>.</returns>
-        public Span<SplitterDestination> GetDestination(int id, int destinationId)
+        /// <returns>A <see cref="SplitterDestination"/>.</returns>
+        public SplitterDestination GetDestination(int id, int destinationId)
         {
             ref SplitterState splitter = ref GetState(id);
 
             return splitter.GetData(destinationId);
         }
 
+        /// <summary>
+        /// Gets the biquad filter state for a given splitter destination.
+        /// </summary>
+        /// <param name="destination">The splitter destination.</param>
+        /// <returns>Biquad filter state for the specified destination.</returns>
+        public Memory<BiquadFilterState> GetBiquadFilterState(SplitterDestination destination)
+        {
+            return _splitterBqfStates.Slice(destination.Id * BqfStatesPerDestination, BqfStatesPerDestination);
+        }
+
         /// <summary>
         /// Return true if the audio renderer has any splitters.
         /// </summary>
         /// <returns>True if the audio renderer has any splitters.</returns>
         public bool UsingSplitter()
         {
-            return !_splitters.IsEmpty && !_splitterDestinations.IsEmpty;
+            return !_splitters.IsEmpty && (!_splitterDestinationsV1.IsEmpty || !_splitterDestinationsV2.IsEmpty);
         }
 
         /// <summary>

src/Ryujinx.Audio/Renderer/Server/Splitter/SplitterDestination.cs

@@ -1,115 +1,198 @@
 using Ryujinx.Audio.Renderer.Parameter;
-using Ryujinx.Common.Utilities;
 using System;
 using System.Diagnostics;
-using System.Runtime.InteropServices;
+using System.Runtime.CompilerServices;
 
 namespace Ryujinx.Audio.Renderer.Server.Splitter
 {
     /// <summary>
     /// Server state for a splitter destination.
     /// </summary>
-    [StructLayout(LayoutKind.Sequential, Size = 0xE0, Pack = Alignment)]
-    public struct SplitterDestination
+    public ref struct SplitterDestination
     {
-        public const int Alignment = 0x10;
+        private ref SplitterDestinationVersion1 _v1;
+        private ref SplitterDestinationVersion2 _v2;
 
         /// <summary>
-        /// The unique id of this <see cref="SplitterDestination"/>.
+        /// Checks if the splitter destination data reference is null.
         /// </summary>
-        public int Id;
+        public bool IsNull => Unsafe.IsNullRef(ref _v1) && Unsafe.IsNullRef(ref _v2);
 
         /// <summary>
-        /// The mix to output the result of the splitter.
+        /// The splitter unique id.
         /// </summary>
-        public int DestinationId;
-
-        /// <summary>
-        /// Mix buffer volumes storage.
-        /// </summary>
-        private MixArray _mix;
-        private MixArray _previousMix;
-
-        /// <summary>
-        /// Pointer to the next linked element.
-        /// </summary>
-        private unsafe SplitterDestination* _next;
-
-        /// <summary>
-        /// Set to true if in use.
-        /// </summary>
-        [MarshalAs(UnmanagedType.I1)]
-        public bool IsUsed;
-
-        /// <summary>
-        /// Set to true if the internal state need to be updated.
-        /// </summary>
-        [MarshalAs(UnmanagedType.I1)]
-        public bool NeedToUpdateInternalState;
-
-        [StructLayout(LayoutKind.Sequential, Size = 4 * Constants.MixBufferCountMax, Pack = 1)]
-        private struct MixArray { }
-
-        /// <summary>
-        /// Mix buffer volumes.
-        /// </summary>
-        /// <remarks>Used when a splitter id is specified in the mix.</remarks>
-        public Span<float> MixBufferVolume => SpanHelpers.AsSpan<MixArray, float>(ref _mix);
-
-        /// <summary>
-        /// Previous mix buffer volumes.
-        /// </summary>
-        /// <remarks>Used when a splitter id is specified in the mix.</remarks>
-        public Span<float> PreviousMixBufferVolume => SpanHelpers.AsSpan<MixArray, float>(ref _previousMix);
-
-        /// <summary>
-        /// Get the  <see cref="Span{SplitterDestination}"/> of the next element or <see cref="Span{SplitterDestination}.Empty"/> if not present.
-        /// </summary>
-        public readonly Span<SplitterDestination> Next
+        public int Id
         {
             get
             {
-                unsafe
+                if (Unsafe.IsNullRef(ref _v2))
                 {
-                    return _next != null ? new Span<SplitterDestination>(_next, 1) : Span<SplitterDestination>.Empty;
+                    if (Unsafe.IsNullRef(ref _v1))
+                    {
+                        return 0;
+                    }
+                    else
+                    {
+                        return _v1.Id;
+                    }
+                }
+                else
+                {
+                    return _v2.Id;
                 }
             }
         }
 
         /// <summary>
-        /// Create a new <see cref="SplitterDestination"/>.
+        /// The mix to output the result of the splitter.
         /// </summary>
-        /// <param name="id">The unique id of this <see cref="SplitterDestination"/>.</param>
-        public SplitterDestination(int id) : this()
+        public int DestinationId
         {
-            Id = id;
-            DestinationId = Constants.UnusedMixId;
-
-            ClearVolumes();
+            get
+            {
+                if (Unsafe.IsNullRef(ref _v2))
+                {
+                    if (Unsafe.IsNullRef(ref _v1))
+                    {
+                        return 0;
+                    }
+                    else
+                    {
+                        return _v1.DestinationId;
+                    }
+                }
+                else
+                {
+                    return _v2.DestinationId;
+                }
+            }
         }
 
         /// <summary>
-        /// Update the <see cref="SplitterDestination"/> from user parameter.
+        /// Mix buffer volumes.
+        /// </summary>
+        /// <remarks>Used when a splitter id is specified in the mix.</remarks>
+        public Span<float> MixBufferVolume
+        {
+            get
+            {
+                if (Unsafe.IsNullRef(ref _v2))
+                {
+                    if (Unsafe.IsNullRef(ref _v1))
+                    {
+                        return Span<float>.Empty;
+                    }
+                    else
+                    {
+                        return _v1.MixBufferVolume;
+                    }
+                }
+                else
+                {
+                    return _v2.MixBufferVolume;
+                }
+            }
+        }
+
+        /// <summary>
+        /// Previous mix buffer volumes.
+        /// </summary>
+        /// <remarks>Used when a splitter id is specified in the mix.</remarks>
+        public Span<float> PreviousMixBufferVolume
+        {
+            get
+            {
+                if (Unsafe.IsNullRef(ref _v2))
+                {
+                    if (Unsafe.IsNullRef(ref _v1))
+                    {
+                        return Span<float>.Empty;
+                    }
+                    else
+                    {
+                        return _v1.PreviousMixBufferVolume;
+                    }
+                }
+                else
+                {
+                    return _v2.PreviousMixBufferVolume;
+                }
+            }
+        }
+
+        /// <summary>
+        /// Get the <see cref="SplitterDestination"/> of the next element or null if not present.
+        /// </summary>
+        public readonly SplitterDestination Next
+        {
+            get
+            {
+                unsafe
+                {
+                    if (Unsafe.IsNullRef(ref _v2))
+                    {
+                        if (Unsafe.IsNullRef(ref _v1))
+                        {
+                            return new SplitterDestination();
+                        }
+                        else
+                        {
+                            return new SplitterDestination(ref _v1.Next);
+                        }
+                    }
+                    else
+                    {
+                        return new SplitterDestination(ref _v2.Next);
+                    }
+                }
+            }
+        }
+
+        /// <summary>
+        /// Creates a new splitter destination wrapper for the version 1 splitter destination data.
+        /// </summary>
+        /// <param name="v1">Version 1 splitter destination data</param>
+        public SplitterDestination(ref SplitterDestinationVersion1 v1)
+        {
+            _v1 = ref v1;
+            _v2 = ref Unsafe.NullRef<SplitterDestinationVersion2>();
+        }
+
+        /// <summary>
+        /// Creates a new splitter destination wrapper for the version 2 splitter destination data.
+        /// </summary>
+        /// <param name="v2">Version 2 splitter destination data</param>
+        public SplitterDestination(ref SplitterDestinationVersion2 v2)
+        {
+
+            _v1 = ref Unsafe.NullRef<SplitterDestinationVersion1>();
+            _v2 = ref v2;
+        }
+
+        /// <summary>
+        /// Creates a new splitter destination wrapper for the splitter destination data.
+        /// </summary>
+        /// <param name="v1">Version 1 splitter destination data</param>
+        /// <param name="v2">Version 2 splitter destination data</param>
+        public unsafe SplitterDestination(SplitterDestinationVersion1* v1, SplitterDestinationVersion2* v2)
+        {
+            _v1 = ref Unsafe.AsRef<SplitterDestinationVersion1>(v1);
+            _v2 = ref Unsafe.AsRef<SplitterDestinationVersion2>(v2);
+        }
+
+        /// <summary>
+        /// Update the splitter destination data from user parameter.
         /// </summary>
         /// <param name="parameter">The user parameter.</param>
-        public void Update(SplitterDestinationInParameter parameter)
+        public void Update<T>(in T parameter) where T : ISplitterDestinationInParameter
         {
-            Debug.Assert(Id == parameter.Id);
-
-            if (parameter.IsMagicValid() && Id == parameter.Id)
+            if (Unsafe.IsNullRef(ref _v2))
             {
-                DestinationId = parameter.DestinationId;
-
-                parameter.MixBufferVolume.CopyTo(MixBufferVolume);
-
-                if (!IsUsed && parameter.IsUsed)
-                {
-                    MixBufferVolume.CopyTo(PreviousMixBufferVolume);
-
-                    NeedToUpdateInternalState = false;
-                }
-
-                IsUsed = parameter.IsUsed;
+                _v1.Update(parameter);
+            }
+            else
+            {
+                _v2.Update(parameter);
             }
         }
 
@@ -118,12 +201,14 @@ namespace Ryujinx.Audio.Renderer.Server.Splitter
         /// </summary>
         public void UpdateInternalState()
         {
-            if (IsUsed && NeedToUpdateInternalState)
+            if (Unsafe.IsNullRef(ref _v2))
             {
-                MixBufferVolume.CopyTo(PreviousMixBufferVolume);
+                _v1.UpdateInternalState();
+            }
+            else
+            {
+                _v2.UpdateInternalState();
             }
-
-            NeedToUpdateInternalState = false;
         }
 
         /// <summary>
@@ -131,16 +216,23 @@ namespace Ryujinx.Audio.Renderer.Server.Splitter
         /// </summary>
         public void MarkAsNeedToUpdateInternalState()
         {
-            NeedToUpdateInternalState = true;
+            if (Unsafe.IsNullRef(ref _v2))
+            {
+                _v1.MarkAsNeedToUpdateInternalState();
+            }
+            else
+            {
+                _v2.MarkAsNeedToUpdateInternalState();
+            }
         }
 
         /// <summary>
-        /// Return true if the <see cref="SplitterDestination"/> is used and has a destination.
+        /// Return true if the splitter destination is used and has a destination.
         /// </summary>
-        /// <returns>True if the <see cref="SplitterDestination"/> is used and has a destination.</returns>
+        /// <returns>True if the splitter destination is used and has a destination.</returns>
         public readonly bool IsConfigured()
         {
-            return IsUsed && DestinationId != Constants.UnusedMixId;
+            return Unsafe.IsNullRef(ref _v2) ? _v1.IsConfigured() : _v2.IsConfigured();
         }
 
         /// <summary>
@@ -150,9 +242,17 @@ namespace Ryujinx.Audio.Renderer.Server.Splitter
         /// <returns>The volume for the given destination.</returns>
         public float GetMixVolume(int destinationIndex)
         {
-            Debug.Assert(destinationIndex >= 0 && destinationIndex < Constants.MixBufferCountMax);
+            return Unsafe.IsNullRef(ref _v2) ? _v1.GetMixVolume(destinationIndex) : _v2.GetMixVolume(destinationIndex);
+        }
 
-            return MixBufferVolume[destinationIndex];
+        /// <summary>
+        /// Get the previous volume for a given destination.
+        /// </summary>
+        /// <param name="destinationIndex">The destination index to use.</param>
+        /// <returns>The volume for the given destination.</returns>
+        public float GetMixVolumePrev(int destinationIndex)
+        {
+            return Unsafe.IsNullRef(ref _v2) ? _v1.GetMixVolumePrev(destinationIndex) : _v2.GetMixVolumePrev(destinationIndex);
         }
 
         /// <summary>
@@ -160,22 +260,33 @@ namespace Ryujinx.Audio.Renderer.Server.Splitter
         /// </summary>
         public void ClearVolumes()
         {
-            MixBufferVolume.Clear();
-            PreviousMixBufferVolume.Clear();
+            if (Unsafe.IsNullRef(ref _v2))
+            {
+                _v1.ClearVolumes();
+            }
+            else
+            {
+                _v2.ClearVolumes();
+            }
         }
 
         /// <summary>
-        /// Link the next element to the given <see cref="SplitterDestination"/>.
+        /// Link the next element to the given splitter destination.
         /// </summary>
-        /// <param name="next">The given <see cref="SplitterDestination"/> to link.</param>
-        public void Link(ref SplitterDestination next)
+        /// <param name="next">The given splitter destination to link.</param>
+        public void Link(SplitterDestination next)
         {
-            unsafe
+            if (Unsafe.IsNullRef(ref _v2))
             {
-                fixed (SplitterDestination* nextPtr = &next)
-                {
-                    _next = nextPtr;
-                }
+                Debug.Assert(!Unsafe.IsNullRef(ref next._v1));
+
+                _v1.Link(ref next._v1);
+            }
+            else
+            {
+                Debug.Assert(!Unsafe.IsNullRef(ref next._v2));
+
+                _v2.Link(ref next._v2);
             }
         }
 
@@ -184,10 +295,74 @@ namespace Ryujinx.Audio.Renderer.Server.Splitter
         /// </summary>
         public void Unlink()
         {
-            unsafe
+            if (Unsafe.IsNullRef(ref _v2))
             {
-                _next = null;
+                _v1.Unlink();
             }
+            else
+            {
+                _v2.Unlink();
+            }
+        }
+
+        /// <summary>
+        /// Checks if any biquad filter is enabled.
+        /// </summary>
+        /// <returns>True if any biquad filter is enabled.</returns>
+        public bool IsBiquadFilterEnabled()
+        {
+            return !Unsafe.IsNullRef(ref _v2) && _v2.IsBiquadFilterEnabled();
+        }
+
+        /// <summary>
+        /// Checks if any biquad filter was previously enabled.
+        /// </summary>
+        /// <returns>True if any biquad filter was previously enabled.</returns>
+        public bool IsBiquadFilterEnabledPrev()
+        {
+            return !Unsafe.IsNullRef(ref _v2) && _v2.IsBiquadFilterEnabledPrev();
+        }
+
+        /// <summary>
+        /// Gets the biquad filter parameters.
+        /// </summary>
+        /// <param name="index">Biquad filter index (0 or 1).</param>
+        /// <returns>Biquad filter parameters.</returns>
+        public ref BiquadFilterParameter GetBiquadFilterParameter(int index)
+        {
+            Debug.Assert(!Unsafe.IsNullRef(ref _v2));
+
+            return ref _v2.GetBiquadFilterParameter(index);
+        }
+
+        /// <summary>
+        /// Checks if any biquad filter was previously enabled.
+        /// </summary>
+        /// <param name="index">Biquad filter index (0 or 1).</param>
+        public void UpdateBiquadFilterEnabledPrev(int index)
+        {
+            if (!Unsafe.IsNullRef(ref _v2))
+            {
+                _v2.UpdateBiquadFilterEnabledPrev(index);
+            }
+        }
+
+        /// <summary>
+        /// Get the reference for the version 1 splitter destination data, or null if version 2 is being used or the destination is null.
+        /// </summary>
+        /// <returns>Reference for the version 1 splitter destination data.</returns>
+        public ref SplitterDestinationVersion1 GetV1RefOrNull()
+        {
+            return ref _v1;
+        }
+
+        /// <summary>
+        /// Get the reference for the version 2 splitter destination data, or null if version 1 is being used or the destination is null.
+        /// </summary>
+        /// <returns>Reference for the version 2 splitter destination data.</returns>
+        public ref SplitterDestinationVersion2 GetV2RefOrNull()
+        {
+            return ref _v2;
         }
     }
 }

src/Ryujinx.Audio/Renderer/Server/Splitter/SplitterDestinationVersion1.cs

@@ -0,0 +1,206 @@
+using Ryujinx.Audio.Renderer.Parameter;
+using Ryujinx.Common.Utilities;
+using System;
+using System.Diagnostics;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+namespace Ryujinx.Audio.Renderer.Server.Splitter
+{
+    /// <summary>
+    /// Server state for a splitter destination (version 1).
+    /// </summary>
+    [StructLayout(LayoutKind.Sequential, Size = 0xE0, Pack = Alignment)]
+    public struct SplitterDestinationVersion1
+    {
+        public const int Alignment = 0x10;
+
+        /// <summary>
+        /// The unique id of this <see cref="SplitterDestinationVersion1"/>.
+        /// </summary>
+        public int Id;
+
+        /// <summary>
+        /// The mix to output the result of the splitter.
+        /// </summary>
+        public int DestinationId;
+
+        /// <summary>
+        /// Mix buffer volumes storage.
+        /// </summary>
+        private MixArray _mix;
+        private MixArray _previousMix;
+
+        /// <summary>
+        /// Pointer to the next linked element.
+        /// </summary>
+        private unsafe SplitterDestinationVersion1* _next;
+
+        /// <summary>
+        /// Set to true if in use.
+        /// </summary>
+        [MarshalAs(UnmanagedType.I1)]
+        public bool IsUsed;
+
+        /// <summary>
+        /// Set to true if the internal state need to be updated.
+        /// </summary>
+        [MarshalAs(UnmanagedType.I1)]
+        public bool NeedToUpdateInternalState;
+
+        [StructLayout(LayoutKind.Sequential, Size = sizeof(float) * Constants.MixBufferCountMax, Pack = 1)]
+        private struct MixArray { }
+
+        /// <summary>
+        /// Mix buffer volumes.
+        /// </summary>
+        /// <remarks>Used when a splitter id is specified in the mix.</remarks>
+        public Span<float> MixBufferVolume => SpanHelpers.AsSpan<MixArray, float>(ref _mix);
+
+        /// <summary>
+        /// Previous mix buffer volumes.
+        /// </summary>
+        /// <remarks>Used when a splitter id is specified in the mix.</remarks>
+        public Span<float> PreviousMixBufferVolume => SpanHelpers.AsSpan<MixArray, float>(ref _previousMix);
+
+        /// <summary>
+        /// Get the reference of the next element or null if not present.
+        /// </summary>
+        public readonly ref SplitterDestinationVersion1 Next
+        {
+            get
+            {
+                unsafe
+                {
+                    return ref Unsafe.AsRef<SplitterDestinationVersion1>(_next);
+                }
+            }
+        }
+
+        /// <summary>
+        /// Create a new <see cref="SplitterDestinationVersion1"/>.
+        /// </summary>
+        /// <param name="id">The unique id of this <see cref="SplitterDestinationVersion1"/>.</param>
+        public SplitterDestinationVersion1(int id) : this()
+        {
+            Id = id;
+            DestinationId = Constants.UnusedMixId;
+
+            ClearVolumes();
+        }
+
+        /// <summary>
+        /// Update the <see cref="SplitterDestinationVersion1"/> from user parameter.
+        /// </summary>
+        /// <param name="parameter">The user parameter.</param>
+        public void Update<T>(in T parameter) where T : ISplitterDestinationInParameter
+        {
+            Debug.Assert(Id == parameter.Id);
+
+            if (parameter.IsMagicValid() && Id == parameter.Id)
+            {
+                DestinationId = parameter.DestinationId;
+
+                parameter.MixBufferVolume.CopyTo(MixBufferVolume);
+
+                if (!IsUsed && parameter.IsUsed)
+                {
+                    MixBufferVolume.CopyTo(PreviousMixBufferVolume);
+
+                    NeedToUpdateInternalState = false;
+                }
+
+                IsUsed = parameter.IsUsed;
+            }
+        }
+
+        /// <summary>
+        /// Update the internal state of the instance.
+        /// </summary>
+        public void UpdateInternalState()
+        {
+            if (IsUsed && NeedToUpdateInternalState)
+            {
+                MixBufferVolume.CopyTo(PreviousMixBufferVolume);
+            }
+
+            NeedToUpdateInternalState = false;
+        }
+
+        /// <summary>
+        /// Set the update internal state marker.
+        /// </summary>
+        public void MarkAsNeedToUpdateInternalState()
+        {
+            NeedToUpdateInternalState = true;
+        }
+
+        /// <summary>
+        /// Return true if the <see cref="SplitterDestinationVersion1"/> is used and has a destination.
+        /// </summary>
+        /// <returns>True if the <see cref="SplitterDestinationVersion1"/> is used and has a destination.</returns>
+        public readonly bool IsConfigured()
+        {
+            return IsUsed && DestinationId != Constants.UnusedMixId;
+        }
+
+        /// <summary>
+        /// Get the volume for a given destination.
+        /// </summary>
+        /// <param name="destinationIndex">The destination index to use.</param>
+        /// <returns>The volume for the given destination.</returns>
+        public float GetMixVolume(int destinationIndex)
+        {
+            Debug.Assert(destinationIndex >= 0 && destinationIndex < Constants.MixBufferCountMax);
+
+            return MixBufferVolume[destinationIndex];
+        }
+
+        /// <summary>
+        /// Get the previous volume for a given destination.
+        /// </summary>
+        /// <param name="destinationIndex">The destination index to use.</param>
+        /// <returns>The volume for the given destination.</returns>
+        public float GetMixVolumePrev(int destinationIndex)
+        {
+            Debug.Assert(destinationIndex >= 0 && destinationIndex < Constants.MixBufferCountMax);
+
+            return PreviousMixBufferVolume[destinationIndex];
+        }
+
+        /// <summary>
+        /// Clear the volumes.
+        /// </summary>
+        public void ClearVolumes()
+        {
+            MixBufferVolume.Clear();
+            PreviousMixBufferVolume.Clear();
+        }
+
+        /// <summary>
+        /// Link the next element to the given <see cref="SplitterDestinationVersion1"/>.
+        /// </summary>
+        /// <param name="next">The given <see cref="SplitterDestinationVersion1"/> to link.</param>
+        public void Link(ref SplitterDestinationVersion1 next)
+        {
+            unsafe
+            {
+                fixed (SplitterDestinationVersion1* nextPtr = &next)
+                {
+                    _next = nextPtr;
+                }
+            }
+        }
+
+        /// <summary>
+        /// Remove the link to the next element.
+        /// </summary>
+        public void Unlink()
+        {
+            unsafe
+            {
+                _next = null;
+            }
+        }
+    }
+}

src/Ryujinx.Audio/Renderer/Server/Splitter/SplitterDestinationVersion2.cs

@@ -0,0 +1,250 @@
+using Ryujinx.Audio.Renderer.Parameter;
+using Ryujinx.Common.Memory;
+using Ryujinx.Common.Utilities;
+using System;
+using System.Diagnostics;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+namespace Ryujinx.Audio.Renderer.Server.Splitter
+{
+    /// <summary>
+    /// Server state for a splitter destination (version 2).
+    /// </summary>
+    [StructLayout(LayoutKind.Sequential, Size = 0x110, Pack = Alignment)]
+    public struct SplitterDestinationVersion2
+    {
+        public const int Alignment = 0x10;
+
+        /// <summary>
+        /// The unique id of this <see cref="SplitterDestinationVersion2"/>.
+        /// </summary>
+        public int Id;
+
+        /// <summary>
+        /// The mix to output the result of the splitter.
+        /// </summary>
+        public int DestinationId;
+
+        /// <summary>
+        /// Mix buffer volumes storage.
+        /// </summary>
+        private MixArray _mix;
+        private MixArray _previousMix;
+
+        /// <summary>
+        /// Pointer to the next linked element.
+        /// </summary>
+        private unsafe SplitterDestinationVersion2* _next;
+
+        /// <summary>
+        /// Set to true if in use.
+        /// </summary>
+        [MarshalAs(UnmanagedType.I1)]
+        public bool IsUsed;
+
+        /// <summary>
+        /// Set to true if the internal state need to be updated.
+        /// </summary>
+        [MarshalAs(UnmanagedType.I1)]
+        public bool NeedToUpdateInternalState;
+
+        [StructLayout(LayoutKind.Sequential, Size = sizeof(float) * Constants.MixBufferCountMax, Pack = 1)]
+        private struct MixArray { }
+
+        /// <summary>
+        /// Mix buffer volumes.
+        /// </summary>
+        /// <remarks>Used when a splitter id is specified in the mix.</remarks>
+        public Span<float> MixBufferVolume => SpanHelpers.AsSpan<MixArray, float>(ref _mix);
+
+        /// <summary>
+        /// Previous mix buffer volumes.
+        /// </summary>
+        /// <remarks>Used when a splitter id is specified in the mix.</remarks>
+        public Span<float> PreviousMixBufferVolume => SpanHelpers.AsSpan<MixArray, float>(ref _previousMix);
+
+        /// <summary>
+        /// Get the reference of the next element or null if not present.
+        /// </summary>
+        public readonly ref SplitterDestinationVersion2 Next
+        {
+            get
+            {
+                unsafe
+                {
+                    return ref Unsafe.AsRef<SplitterDestinationVersion2>(_next);
+                }
+            }
+        }
+
+        private Array2<BiquadFilterParameter> _biquadFilters;
+
+        private Array2<bool> _isPreviousBiquadFilterEnabled;
+
+        /// <summary>
+        /// Create a new <see cref="SplitterDestinationVersion2"/>.
+        /// </summary>
+        /// <param name="id">The unique id of this <see cref="SplitterDestinationVersion2"/>.</param>
+        public SplitterDestinationVersion2(int id) : this()
+        {
+            Id = id;
+            DestinationId = Constants.UnusedMixId;
+
+            ClearVolumes();
+        }
+
+        /// <summary>
+        /// Update the <see cref="SplitterDestinationVersion2"/> from user parameter.
+        /// </summary>
+        /// <param name="parameter">The user parameter.</param>
+        public void Update<T>(in T parameter) where T : ISplitterDestinationInParameter
+        {
+            Debug.Assert(Id == parameter.Id);
+
+            if (parameter.IsMagicValid() && Id == parameter.Id)
+            {
+                DestinationId = parameter.DestinationId;
+
+                parameter.MixBufferVolume.CopyTo(MixBufferVolume);
+
+                _biquadFilters = parameter.BiquadFilters;
+
+                if (!IsUsed && parameter.IsUsed)
+                {
+                    MixBufferVolume.CopyTo(PreviousMixBufferVolume);
+
+                    NeedToUpdateInternalState = false;
+                }
+
+                IsUsed = parameter.IsUsed;
+            }
+        }
+
+        /// <summary>
+        /// Update the internal state of the instance.
+        /// </summary>
+        public void UpdateInternalState()
+        {
+            if (IsUsed && NeedToUpdateInternalState)
+            {
+                MixBufferVolume.CopyTo(PreviousMixBufferVolume);
+            }
+
+            NeedToUpdateInternalState = false;
+        }
+
+        /// <summary>
+        /// Set the update internal state marker.
+        /// </summary>
+        public void MarkAsNeedToUpdateInternalState()
+        {
+            NeedToUpdateInternalState = true;
+        }
+
+        /// <summary>
+        /// Return true if the <see cref="SplitterDestinationVersion2"/> is used and has a destination.
+        /// </summary>
+        /// <returns>True if the <see cref="SplitterDestinationVersion2"/> is used and has a destination.</returns>
+        public readonly bool IsConfigured()
+        {
+            return IsUsed && DestinationId != Constants.UnusedMixId;
+        }
+
+        /// <summary>
+        /// Get the volume for a given destination.
+        /// </summary>
+        /// <param name="destinationIndex">The destination index to use.</param>
+        /// <returns>The volume for the given destination.</returns>
+        public float GetMixVolume(int destinationIndex)
+        {
+            Debug.Assert(destinationIndex >= 0 && destinationIndex < Constants.MixBufferCountMax);
+
+            return MixBufferVolume[destinationIndex];
+        }
+
+        /// <summary>
+        /// Get the previous volume for a given destination.
+        /// </summary>
+        /// <param name="destinationIndex">The destination index to use.</param>
+        /// <returns>The volume for the given destination.</returns>
+        public float GetMixVolumePrev(int destinationIndex)
+        {
+            Debug.Assert(destinationIndex >= 0 && destinationIndex < Constants.MixBufferCountMax);
+
+            return PreviousMixBufferVolume[destinationIndex];
+        }
+
+        /// <summary>
+        /// Clear the volumes.
+        /// </summary>
+        public void ClearVolumes()
+        {
+            MixBufferVolume.Clear();
+            PreviousMixBufferVolume.Clear();
+        }
+
+        /// <summary>
+        /// Link the next element to the given <see cref="SplitterDestinationVersion2"/>.
+        /// </summary>
+        /// <param name="next">The given <see cref="SplitterDestinationVersion2"/> to link.</param>
+        public void Link(ref SplitterDestinationVersion2 next)
+        {
+            unsafe
+            {
+                fixed (SplitterDestinationVersion2* nextPtr = &next)
+                {
+                    _next = nextPtr;
+                }
+            }
+        }
+
+        /// <summary>
+        /// Remove the link to the next element.
+        /// </summary>
+        public void Unlink()
+        {
+            unsafe
+            {
+                _next = null;
+            }
+        }
+
+        /// <summary>
+        /// Checks if any biquad filter is enabled.
+        /// </summary>
+        /// <returns>True if any biquad filter is enabled.</returns>
+        public bool IsBiquadFilterEnabled()
+        {
+            return _biquadFilters[0].Enable || _biquadFilters[1].Enable;
+        }
+
+        /// <summary>
+        /// Checks if any biquad filter was previously enabled.
+        /// </summary>
+        /// <returns>True if any biquad filter was previously enabled.</returns>
+        public bool IsBiquadFilterEnabledPrev()
+        {
+            return _isPreviousBiquadFilterEnabled[0];
+        }
+
+        /// <summary>
+        /// Gets the biquad filter parameters.
+        /// </summary>
+        /// <param name="index">Biquad filter index (0 or 1).</param>
+        /// <returns>Biquad filter parameters.</returns>
+        public ref BiquadFilterParameter GetBiquadFilterParameter(int index)
+        {
+            return ref _biquadFilters[index];
+        }
+
+        /// <summary>
+        /// Checks if any biquad filter was previously enabled.
+        /// </summary>
+        /// <param name="index">Biquad filter index (0 or 1).</param>
+        public void UpdateBiquadFilterEnabledPrev(int index)
+        {
+            _isPreviousBiquadFilterEnabled[index] = _biquadFilters[index].Enable;
+        }
+    }
+}

src/Ryujinx.Audio/Renderer/Server/Splitter/SplitterState.cs

@@ -15,6 +15,8 @@ namespace Ryujinx.Audio.Renderer.Server.Splitter
     {
         public const int Alignment = 0x10;
 
+        private delegate void SplitterDestinationAction(SplitterDestination destination, int index);
+
         /// <summary>
         /// The unique id of this <see cref="SplitterState"/>.
         /// </summary>
@@ -26,7 +28,7 @@ namespace Ryujinx.Audio.Renderer.Server.Splitter
         public uint SampleRate;
 
         /// <summary>
-        /// Count of splitter destinations (<see cref="SplitterDestination"/>).
+        /// Count of splitter destinations.
         /// </summary>
         public int DestinationCount;
 
@@ -37,20 +39,25 @@ namespace Ryujinx.Audio.Renderer.Server.Splitter
         public bool HasNewConnection;
 
         /// <summary>
-        /// Linked list of <see cref="SplitterDestination"/>.
+        /// Linked list of <see cref="SplitterDestinationVersion1"/>.
         /// </summary>
-        private unsafe SplitterDestination* _destinationsData;
+        private unsafe SplitterDestinationVersion1* _destinationDataV1;
 
         /// <summary>
-        /// Span to the first element of the linked list of <see cref="SplitterDestination"/>.
+        /// Linked list of <see cref="SplitterDestinationVersion2"/>.
         /// </summary>
-        public readonly Span<SplitterDestination> Destinations
+        private unsafe SplitterDestinationVersion2* _destinationDataV2;
+
+        /// <summary>
+        /// First element of the linked list of splitter destinations data.
+        /// </summary>
+        public readonly SplitterDestination Destination
         {
             get
             {
                 unsafe
                 {
-                    return (IntPtr)_destinationsData != IntPtr.Zero ? new Span<SplitterDestination>(_destinationsData, 1) : Span<SplitterDestination>.Empty;
+                    return new SplitterDestination(_destinationDataV1, _destinationDataV2);
                 }
             }
         }
@@ -64,20 +71,20 @@ namespace Ryujinx.Audio.Renderer.Server.Splitter
             Id = id;
         }
 
-        public readonly Span<SplitterDestination> GetData(int index)
+        public readonly SplitterDestination GetData(int index)
         {
             int i = 0;
 
-            Span<SplitterDestination> result = Destinations;
+            SplitterDestination result = Destination;
 
             while (i < index)
             {
-                if (result.IsEmpty)
+                if (result.IsNull)
                 {
                     break;
                 }
 
-                result = result[0].Next;
+                result = result.Next;
                 i++;
             }
 
@@ -93,25 +100,25 @@ namespace Ryujinx.Audio.Renderer.Server.Splitter
         }
 
         /// <summary>
-        /// Utility function to apply a given <see cref="SpanAction{T, TArg}"/> to all <see cref="Destinations"/>.
+        /// Utility function to apply an action to all <see cref="Destination"/>.
         /// </summary>
         /// <param name="action">The action to execute on each elements.</param>
-        private readonly void ForEachDestination(SpanAction<SplitterDestination, int> action)
+        private readonly void ForEachDestination(SplitterDestinationAction action)
         {
-            Span<SplitterDestination> temp = Destinations;
+            SplitterDestination temp = Destination;
 
             int i = 0;
 
             while (true)
             {
-                if (temp.IsEmpty)
+                if (temp.IsNull)
                 {
                     break;
                 }
 
-                Span<SplitterDestination> next = temp[0].Next;
+                SplitterDestination next = temp.Next;
 
-                action.Invoke(temp, i++);
+                action(temp, i++);
 
                 temp = next;
             }
@@ -142,9 +149,9 @@ namespace Ryujinx.Audio.Renderer.Server.Splitter
             {
                 input.ReadLittleEndian(out int destinationId);
 
-                Memory<SplitterDestination> destination = context.GetDestinationMemory(destinationId);
+                SplitterDestination destination = context.GetDestination(destinationId);
 
-                SetDestination(ref destination.Span[0]);
+                SetDestination(destination);
 
                 DestinationCount = destinationCount;
 
@@ -152,9 +159,9 @@ namespace Ryujinx.Audio.Renderer.Server.Splitter
                 {
                     input.ReadLittleEndian(out destinationId);
 
-                    Memory<SplitterDestination> nextDestination = context.GetDestinationMemory(destinationId);
+                    SplitterDestination nextDestination = context.GetDestination(destinationId);
 
-                    destination.Span[0].Link(ref nextDestination.Span[0]);
+                    destination.Link(nextDestination);
                     destination = nextDestination;
                 }
             }
@@ -174,16 +181,21 @@ namespace Ryujinx.Audio.Renderer.Server.Splitter
         }
 
         /// <summary>
-        /// Set the head of the linked list of <see cref="Destinations"/>.
+        /// Set the head of the linked list of <see cref="Destination"/>.
         /// </summary>
-        /// <param name="newValue">A reference to a <see cref="SplitterDestination"/>.</param>
-        public void SetDestination(ref SplitterDestination newValue)
+        /// <param name="newValue">New destination value.</param>
+        public void SetDestination(SplitterDestination newValue)
         {
             unsafe
             {
-                fixed (SplitterDestination* newValuePtr = &newValue)
+                fixed (SplitterDestinationVersion1* newValuePtr = &newValue.GetV1RefOrNull())
                 {
-                    _destinationsData = newValuePtr;
+                    _destinationDataV1 = newValuePtr;
+                }
+
+                fixed (SplitterDestinationVersion2* newValuePtr = &newValue.GetV2RefOrNull())
+                {
+                    _destinationDataV2 = newValuePtr;
                 }
             }
         }
@@ -193,19 +205,20 @@ namespace Ryujinx.Audio.Renderer.Server.Splitter
         /// </summary>
         public readonly void UpdateInternalState()
         {
-            ForEachDestination((destination, _) => destination[0].UpdateInternalState());
+            ForEachDestination((destination, _) => destination.UpdateInternalState());
         }
 
         /// <summary>
-        /// Clear all links from the <see cref="Destinations"/>.
+        /// Clear all links from the <see cref="Destination"/>.
         /// </summary>
         public void ClearLinks()
         {
-            ForEachDestination((destination, _) => destination[0].Unlink());
+            ForEachDestination((destination, _) => destination.Unlink());
 
             unsafe
             {
-                _destinationsData = (SplitterDestination*)IntPtr.Zero;
+                _destinationDataV1 = null;
+                _destinationDataV2 = null;
             }
         }
 
@@ -219,7 +232,8 @@ namespace Ryujinx.Audio.Renderer.Server.Splitter
             {
                 unsafe
                 {
-                    splitter._destinationsData = (SplitterDestination*)IntPtr.Zero;
+                    splitter._destinationDataV1 = null;
+                    splitter._destinationDataV2 = null;
                 }
 
                 splitter.DestinationCount = 0;

src/Ryujinx.Common/Memory/ByteMemoryPool.ByteMemoryPoolBuffer.cs

@@ -1,51 +0,0 @@
-using System;
-using System.Buffers;
-using System.Threading;
-
-namespace Ryujinx.Common.Memory
-{
-    public partial class ByteMemoryPool
-    {
-        /// <summary>
-        /// Represents a <see cref="IMemoryOwner{Byte}"/> that wraps an array rented from
-        /// <see cref="ArrayPool{Byte}.Shared"/> and exposes it as <see cref="Memory{Byte}"/>
-        /// with a length of the requested size.
-        /// </summary>
-        private sealed class ByteMemoryPoolBuffer : IMemoryOwner<byte>
-        {
-            private byte[] _array;
-            private readonly int _length;
-
-            public ByteMemoryPoolBuffer(int length)
-            {
-                _array = ArrayPool<byte>.Shared.Rent(length);
-                _length = length;
-            }
-
-            /// <summary>
-            /// Returns a <see cref="Memory{Byte}"/> belonging to this owner.
-            /// </summary>
-            public Memory<byte> Memory
-            {
-                get
-                {
-                    byte[] array = _array;
-
-                    ObjectDisposedException.ThrowIf(array is null, this);
-
-                    return new Memory<byte>(array, 0, _length);
-                }
-            }
-
-            public void Dispose()
-            {
-                var array = Interlocked.Exchange(ref _array, null);
-
-                if (array != null)
-                {
-                    ArrayPool<byte>.Shared.Return(array);
-                }
-            }
-        }
-    }
-}

src/Ryujinx.Common/Memory/ByteMemoryPool.cs

@@ -1,106 +0,0 @@
-using System;
-using System.Buffers;
-
-namespace Ryujinx.Common.Memory
-{
-    /// <summary>
-    /// Provides a pool of re-usable byte array instances.
-    /// </summary>
-    public static partial class ByteMemoryPool
-    {
-        /// <summary>
-        /// Returns the maximum buffer size supported by this pool.
-        /// </summary>
-        public static int MaxBufferSize => Array.MaxLength;
-
-        /// <summary>
-        /// Rents a byte memory buffer from <see cref="ArrayPool{Byte}.Shared"/>.
-        /// The buffer may contain data from a prior use.
-        /// </summary>
-        /// <param name="length">The buffer's required length in bytes</param>
-        /// <returns>A <see cref="IMemoryOwner{Byte}"/> wrapping the rented memory</returns>
-        /// <exception cref="ArgumentOutOfRangeException"></exception>
-        public static IMemoryOwner<byte> Rent(long length)
-            => RentImpl(checked((int)length));
-
-        /// <summary>
-        /// Rents a byte memory buffer from <see cref="ArrayPool{Byte}.Shared"/>.
-        /// The buffer may contain data from a prior use.
-        /// </summary>
-        /// <param name="length">The buffer's required length in bytes</param>
-        /// <returns>A <see cref="IMemoryOwner{Byte}"/> wrapping the rented memory</returns>
-        /// <exception cref="ArgumentOutOfRangeException"></exception>
-        public static IMemoryOwner<byte> Rent(ulong length)
-            => RentImpl(checked((int)length));
-
-        /// <summary>
-        /// Rents a byte memory buffer from <see cref="ArrayPool{Byte}.Shared"/>.
-        /// The buffer may contain data from a prior use.
-        /// </summary>
-        /// <param name="length">The buffer's required length in bytes</param>
-        /// <returns>A <see cref="IMemoryOwner{Byte}"/> wrapping the rented memory</returns>
-        /// <exception cref="ArgumentOutOfRangeException"></exception>
-        public static IMemoryOwner<byte> Rent(int length)
-            => RentImpl(length);
-
-        /// <summary>
-        /// Rents a byte memory buffer from <see cref="ArrayPool{Byte}.Shared"/>.
-        /// The buffer's contents are cleared (set to all 0s) before returning.
-        /// </summary>
-        /// <param name="length">The buffer's required length in bytes</param>
-        /// <returns>A <see cref="IMemoryOwner{Byte}"/> wrapping the rented memory</returns>
-        /// <exception cref="ArgumentOutOfRangeException"></exception>
-        public static IMemoryOwner<byte> RentCleared(long length)
-            => RentCleared(checked((int)length));
-
-        /// <summary>
-        /// Rents a byte memory buffer from <see cref="ArrayPool{Byte}.Shared"/>.
-        /// The buffer's contents are cleared (set to all 0s) before returning.
-        /// </summary>
-        /// <param name="length">The buffer's required length in bytes</param>
-        /// <returns>A <see cref="IMemoryOwner{Byte}"/> wrapping the rented memory</returns>
-        /// <exception cref="ArgumentOutOfRangeException"></exception>
-        public static IMemoryOwner<byte> RentCleared(ulong length)
-            => RentCleared(checked((int)length));
-
-        /// <summary>
-        /// Rents a byte memory buffer from <see cref="ArrayPool{Byte}.Shared"/>.
-        /// The buffer's contents are cleared (set to all 0s) before returning.
-        /// </summary>
-        /// <param name="length">The buffer's required length in bytes</param>
-        /// <returns>A <see cref="IMemoryOwner{Byte}"/> wrapping the rented memory</returns>
-        /// <exception cref="ArgumentOutOfRangeException"></exception>
-        public static IMemoryOwner<byte> RentCleared(int length)
-        {
-            var buffer = RentImpl(length);
-
-            buffer.Memory.Span.Clear();
-
-            return buffer;
-        }
-
-        /// <summary>
-        /// Copies <paramref name="buffer"/> into a newly rented byte memory buffer.
-        /// </summary>
-        /// <param name="buffer">The byte buffer to copy</param>
-        /// <returns>A <see cref="IMemoryOwner{Byte}"/> wrapping the rented memory with <paramref name="buffer"/> copied to it</returns>
-        public static IMemoryOwner<byte> RentCopy(ReadOnlySpan<byte> buffer)
-        {
-            var copy = RentImpl(buffer.Length);
-
-            buffer.CopyTo(copy.Memory.Span);
-
-            return copy;
-        }
-
-        private static ByteMemoryPoolBuffer RentImpl(int length)
-        {
-            if ((uint)length > Array.MaxLength)
-            {
-                throw new ArgumentOutOfRangeException(nameof(length), length, null);
-            }
-
-            return new ByteMemoryPoolBuffer(length);
-        }
-    }
-}

src/Ryujinx.Common/Memory/MemoryOwner.cs

@@ -0,0 +1,140 @@
+#nullable enable
+using System;
+using System.Buffers;
+using System.Diagnostics.CodeAnalysis;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+using System.Threading;
+
+namespace Ryujinx.Common.Memory
+{
+    /// <summary>
+    /// An <see cref="IMemoryOwner{T}"/> implementation with an embedded length and fast <see cref="Span{T}"/>
+    /// accessor, with memory allocated from <seealso cref="ArrayPool{T}.Shared"/>.
+    /// </summary>
+    /// <typeparam name="T">The type of item to store.</typeparam>
+    public sealed class MemoryOwner<T> : IMemoryOwner<T>
+    {
+        private readonly int _length;
+        private T[]? _array;
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="MemoryOwner{T}"/> class with the specified parameters.
+        /// </summary>
+        /// <param name="length">The length of the new memory buffer to use</param>
+        private MemoryOwner(int length)
+        {
+            _length = length;
+            _array = ArrayPool<T>.Shared.Rent(length);
+        }
+
+        /// <summary>
+        /// Creates a new <see cref="MemoryOwner{T}"/> instance with the specified length.
+        /// </summary>
+        /// <param name="length">The length of the new memory buffer to use</param>
+        /// <returns>A <see cref="MemoryOwner{T}"/> instance of the requested length</returns>
+        /// <exception cref="ArgumentOutOfRangeException">Thrown when <paramref name="length"/> is not valid</exception>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static MemoryOwner<T> Rent(int length) => new(length);
+
+        /// <summary>
+        /// Creates a new <see cref="MemoryOwner{T}"/> instance with the specified length and the content cleared.
+        /// </summary>
+        /// <param name="length">The length of the new memory buffer to use</param>
+        /// <returns>A <see cref="MemoryOwner{T}"/> instance of the requested length and the content cleared</returns>
+        /// <exception cref="ArgumentOutOfRangeException">Thrown when <paramref name="length"/> is not valid</exception>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static MemoryOwner<T> RentCleared(int length)
+        {
+            MemoryOwner<T> result = new(length);
+
+            result._array.AsSpan(0, length).Clear();
+
+            return result;
+        }
+
+        /// <summary>
+        /// Creates a new <see cref="MemoryOwner{T}"/> instance with the content copied from the specified buffer.
+        /// </summary>
+        /// <param name="buffer">The buffer to copy</param>
+        /// <returns>A <see cref="MemoryOwner{T}"/> instance with the same length and content as <paramref name="buffer"/></returns>
+        public static MemoryOwner<T> RentCopy(ReadOnlySpan<T> buffer)
+        {
+            MemoryOwner<T> result = new(buffer.Length);
+
+            buffer.CopyTo(result._array);
+
+            return result;
+        }
+
+        /// <summary>
+        /// Gets the number of items in the current instance.
+        /// </summary>
+        public int Length
+        {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            get => _length;
+        }
+
+        /// <inheritdoc/>
+        public Memory<T> Memory
+        {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            get
+            {
+                T[]? array = _array;
+
+                if (array is null)
+                {
+                    ThrowObjectDisposedException();
+                }
+
+                return new(array, 0, _length);
+            }
+        }
+
+        /// <summary>
+        /// Gets a <see cref="Span{T}"/> wrapping the memory belonging to the current instance.
+        /// </summary>
+        /// <remarks>
+        /// Uses a trick made possible by the .NET 6+ runtime array layout.
+        /// </remarks>
+        public Span<T> Span
+        {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            get
+            {
+                T[]? array = _array;
+
+                if (array is null)
+                {
+                    ThrowObjectDisposedException();
+                }
+
+                ref T firstElementRef = ref MemoryMarshal.GetArrayDataReference(array);
+
+                return MemoryMarshal.CreateSpan(ref firstElementRef, _length);
+            }
+        }
+
+        /// <inheritdoc/>
+        public void Dispose()
+        {
+            T[]? array = Interlocked.Exchange(ref _array, null);
+
+            if (array is not null)
+            {
+                ArrayPool<T>.Shared.Return(array, RuntimeHelpers.IsReferenceOrContainsReferences<T>());
+            }
+        }
+
+        /// <summary>
+        /// Throws an <see cref="ObjectDisposedException"/> when <see cref="_array"/> is <see langword="null"/>.
+        /// </summary>
+        [DoesNotReturn]
+        private static void ThrowObjectDisposedException()
+        {
+            throw new ObjectDisposedException(nameof(MemoryOwner<T>), "The buffer has already been disposed.");
+        }
+    }
+}

src/Ryujinx.Common/Memory/SpanOwner.cs

@@ -0,0 +1,114 @@
+using System;
+using System.Buffers;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+namespace Ryujinx.Common.Memory
+{
+    /// <summary>
+    /// A stack-only type that rents a buffer of a specified length from <seealso cref="ArrayPool{T}.Shared"/>.
+    /// It does not implement <see cref="IDisposable"/> to avoid being boxed, but should still be disposed. This
+    /// is easy since C# 8, which allows use of C# `using` constructs on any type that has a public Dispose() method.
+    /// To keep this type simple, fast, and read-only, it does not check or guard against multiple disposals.
+    /// For all these reasons, all usage should be with a `using` block or statement.
+    /// </summary>
+    /// <typeparam name="T">The type of item to store.</typeparam>
+    public readonly ref struct SpanOwner<T>
+    {
+        private readonly int _length;
+        private readonly T[] _array;
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="SpanOwner{T}"/> struct with the specified parameters.
+        /// </summary>
+        /// <param name="length">The length of the new memory buffer to use</param>
+        private SpanOwner(int length)
+        {
+            _length = length;
+            _array = ArrayPool<T>.Shared.Rent(length);
+        }
+
+        /// <summary>
+        /// Gets an empty <see cref="SpanOwner{T}"/> instance.
+        /// </summary>
+        public static SpanOwner<T> Empty
+        {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            get => new(0);
+        }
+
+        /// <summary>
+        /// Creates a new <see cref="SpanOwner{T}"/> instance with the specified length.
+        /// </summary>
+        /// <param name="length">The length of the new memory buffer to use</param>
+        /// <returns>A <see cref="SpanOwner{T}"/> instance of the requested length</returns>
+        /// <exception cref="ArgumentOutOfRangeException">Thrown when <paramref name="length"/> is not valid</exception>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static SpanOwner<T> Rent(int length) => new(length);
+
+        /// <summary>
+        /// Creates a new <see cref="SpanOwner{T}"/> instance with the length and the content cleared.
+        /// </summary>
+        /// <param name="length">The length of the new memory buffer to use</param>
+        /// <returns>A <see cref="SpanOwner{T}"/> instance of the requested length and the content cleared</returns>
+        /// <exception cref="ArgumentOutOfRangeException">Thrown when <paramref name="length"/> is not valid</exception>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static SpanOwner<T> RentCleared(int length)
+        {
+            SpanOwner<T> result = new(length);
+
+            result._array.AsSpan(0, length).Clear();
+
+            return result;
+        }
+
+        /// <summary>
+        /// Creates a new <see cref="SpanOwner{T}"/> instance with the content copied from the specified buffer.
+        /// </summary>
+        /// <param name="buffer">The buffer to copy</param>
+        /// <returns>A <see cref="SpanOwner{T}"/> instance with the same length and content as <paramref name="buffer"/></returns>
+        public static SpanOwner<T> RentCopy(ReadOnlySpan<T> buffer)
+        {
+            SpanOwner<T> result = new(buffer.Length);
+
+            buffer.CopyTo(result._array);
+
+            return result;
+        }
+
+        /// <summary>
+        /// Gets the number of items in the current instance
+        /// </summary>
+        public int Length
+        {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            get => _length;
+        }
+
+        /// <summary>
+        /// Gets a <see cref="Span{T}"/> wrapping the memory belonging to the current instance.
+        /// </summary>
+        /// <remarks>
+        /// Uses a trick made possible by the .NET 6+ runtime array layout.
+        /// </remarks>
+        public Span<T> Span
+        {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            get
+            {
+                ref T firstElementRef = ref MemoryMarshal.GetArrayDataReference(_array);
+
+                return MemoryMarshal.CreateSpan(ref firstElementRef, _length);
+            }
+        }
+
+        /// <summary>
+        /// Implements the duck-typed <see cref="IDisposable.Dispose"/> method.
+        /// </summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public void Dispose()
+        {
+            ArrayPool<T>.Shared.Return(_array, RuntimeHelpers.IsReferenceOrContainsReferences<T>());
+        }
+    }
+}

src/Ryujinx.Common/Utilities/EmbeddedResources.cs

@@ -1,6 +1,6 @@
+using Ryujinx.Common.Memory;
 using Ryujinx.Common.Utilities;
 using System;
-using System.Buffers;
 using System.IO;
 using System.Linq;
 using System.Reflection;
@@ -42,14 +42,14 @@ namespace Ryujinx.Common
             return StreamUtils.StreamToBytes(stream);
         }
 
-        public static IMemoryOwner<byte> ReadFileToRentedMemory(string filename)
+        public static MemoryOwner<byte> ReadFileToRentedMemory(string filename)
         {
             var (assembly, path) = ResolveManifestPath(filename);
 
             return ReadFileToRentedMemory(assembly, path);
         }
 
-        public static IMemoryOwner<byte> ReadFileToRentedMemory(Assembly assembly, string filename)
+        public static MemoryOwner<byte> ReadFileToRentedMemory(Assembly assembly, string filename)
         {
             using var stream = GetStream(assembly, filename);
 

src/Ryujinx.Common/Utilities/StreamUtils.cs

@@ -1,6 +1,5 @@
 using Microsoft.IO;
 using Ryujinx.Common.Memory;
-using System.Buffers;
 using System.IO;
 using System.Threading;
 using System.Threading.Tasks;
@@ -16,7 +15,7 @@ namespace Ryujinx.Common.Utilities
             return output.ToArray();
         }
 
-        public static IMemoryOwner<byte> StreamToRentedMemory(Stream input)
+        public static MemoryOwner<byte> StreamToRentedMemory(Stream input)
         {
             if (input is MemoryStream inputMemoryStream)
             {
@@ -26,9 +25,9 @@ namespace Ryujinx.Common.Utilities
             {
                 long bytesExpected = input.Length;
 
-                IMemoryOwner<byte> ownedMemory = ByteMemoryPool.Rent(bytesExpected);
+                MemoryOwner<byte> ownedMemory = MemoryOwner<byte>.Rent(checked((int)bytesExpected));
 
-                var destSpan = ownedMemory.Memory.Span;
+                var destSpan = ownedMemory.Span;
 
                 int totalBytesRead = 0;
 
@@ -66,14 +65,14 @@ namespace Ryujinx.Common.Utilities
             return stream.ToArray();
         }
 
-        private static IMemoryOwner<byte> MemoryStreamToRentedMemory(MemoryStream input)
+        private static MemoryOwner<byte> MemoryStreamToRentedMemory(MemoryStream input)
         {
             input.Position = 0;
 
-            IMemoryOwner<byte> ownedMemory = ByteMemoryPool.Rent(input.Length);
+            MemoryOwner<byte> ownedMemory = MemoryOwner<byte>.Rent(checked((int)input.Length));
 
             // Discard the return value because we assume reading a MemoryStream always succeeds completely.
-            _ = input.Read(ownedMemory.Memory.Span);
+            _ = input.Read(ownedMemory.Span);
 
             return ownedMemory;
         }

src/Ryujinx.Cpu/Jit/MemoryManagerHostTracked.cs

@@ -303,9 +303,9 @@ namespace Ryujinx.Cpu.Jit
             }
             else
             {
-                IMemoryOwner<byte> memoryOwner = ByteMemoryPool.Rent(size);
+                MemoryOwner<byte> memoryOwner = MemoryOwner<byte>.Rent(size);
 
-                Read(va, memoryOwner.Memory.Span);
+                Read(va, memoryOwner.Span);
 
                 return new WritableRegion(this, va, memoryOwner);
             }

src/Ryujinx.Cpu/LightningJit/Arm32/Target/Arm64/InstEmitMove.cs

@@ -1,6 +1,5 @@
 using Ryujinx.Cpu.LightningJit.CodeGen;
 using Ryujinx.Cpu.LightningJit.CodeGen.Arm64;
-using System.Diagnostics;
 
 namespace Ryujinx.Cpu.LightningJit.Arm32.Target.Arm64
 {

src/Ryujinx.Cpu/LightningJit/Arm32/Target/Arm64/InstEmitSaturate.cs

@@ -114,7 +114,7 @@ namespace Ryujinx.Cpu.LightningJit.Arm32.Target.Arm64
             InstEmitCommon.EmitUnsigned16BitPair(context, rd, rn, rm, (d, n, m) =>
             {
                 context.Arm64Assembler.Add(d, n, m);
-                EmitSaturateUnsignedRange(context, d, 16);
+                EmitSaturateUqadd(context, d, 16);
             });
         }
 
@@ -123,7 +123,7 @@ namespace Ryujinx.Cpu.LightningJit.Arm32.Target.Arm64
             InstEmitCommon.EmitUnsigned8BitPair(context, rd, rn, rm, (d, n, m) =>
             {
                 context.Arm64Assembler.Add(d, n, m);
-                EmitSaturateUnsignedRange(context, d, 8);
+                EmitSaturateUqadd(context, d, 8);
             });
         }
 
@@ -140,7 +140,7 @@ namespace Ryujinx.Cpu.LightningJit.Arm32.Target.Arm64
                     context.Arm64Assembler.Add(d, n, m);
                 }
 
-                EmitSaturateUnsignedRange(context, d, 16);
+                EmitSaturateUq(context, d, 16, e == 0);
             });
         }
 
@@ -157,25 +157,25 @@ namespace Ryujinx.Cpu.LightningJit.Arm32.Target.Arm64
                     context.Arm64Assembler.Sub(d, n, m);
                 }
 
-                EmitSaturateUnsignedRange(context, d, 16);
+                EmitSaturateUq(context, d, 16, e != 0);
             });
         }
 
         public static void Uqsub16(CodeGenContext context, uint rd, uint rn, uint rm)
         {
-            InstEmitCommon.EmitSigned16BitPair(context, rd, rn, rm, (d, n, m) =>
+            InstEmitCommon.EmitUnsigned16BitPair(context, rd, rn, rm, (d, n, m) =>
             {
                 context.Arm64Assembler.Sub(d, n, m);
-                EmitSaturateUnsignedRange(context, d, 16);
+                EmitSaturateUqsub(context, d, 16);
             });
         }
 
         public static void Uqsub8(CodeGenContext context, uint rd, uint rn, uint rm)
         {
-            InstEmitCommon.EmitSigned8BitPair(context, rd, rn, rm, (d, n, m) =>
+            InstEmitCommon.EmitUnsigned8BitPair(context, rd, rn, rm, (d, n, m) =>
             {
                 context.Arm64Assembler.Sub(d, n, m);
-                EmitSaturateUnsignedRange(context, d, 8);
+                EmitSaturateUqsub(context, d, 8);
             });
         }
 
@@ -358,7 +358,17 @@ namespace Ryujinx.Cpu.LightningJit.Arm32.Target.Arm64
             }
         }
 
-        private static void EmitSaturateUnsignedRange(CodeGenContext context, Operand value, uint saturateTo)
+        private static void EmitSaturateUqadd(CodeGenContext context, Operand value, uint saturateTo)
+        {
+            EmitSaturateUq(context, value, saturateTo, isSub: false);
+        }
+
+        private static void EmitSaturateUqsub(CodeGenContext context, Operand value, uint saturateTo)
+        {
+            EmitSaturateUq(context, value, saturateTo, isSub: true);
+        }
+
+        private static void EmitSaturateUq(CodeGenContext context, Operand value, uint saturateTo, bool isSub)
         {
             Debug.Assert(saturateTo <= 32);
 
@@ -379,7 +389,7 @@ namespace Ryujinx.Cpu.LightningJit.Arm32.Target.Arm64
                 return;
             }
 
-            context.Arm64Assembler.Lsr(tempRegister.Operand, value, InstEmitCommon.Const(32 - (int)saturateTo));
+            context.Arm64Assembler.Lsr(tempRegister.Operand, value, InstEmitCommon.Const((int)saturateTo));
 
             int branchIndex = context.CodeWriter.InstructionPointer;
 
@@ -387,7 +397,7 @@ namespace Ryujinx.Cpu.LightningJit.Arm32.Target.Arm64
             context.Arm64Assembler.Cbz(tempRegister.Operand, 0);
 
             // Saturate.
-            context.Arm64Assembler.Mov(value, uint.MaxValue >> (32 - (int)saturateTo));
+            context.Arm64Assembler.Mov(value, isSub ? 0u : uint.MaxValue >> (32 - (int)saturateTo));
 
             int delta = context.CodeWriter.InstructionPointer - branchIndex;
             context.CodeWriter.WriteInstructionAt(branchIndex, context.CodeWriter.ReadInstructionAt(branchIndex) | (uint)((delta & 0x7ffff) << 5));

src/Ryujinx.Graphics.Device/DeviceMemoryManager.cs

@@ -1,7 +1,6 @@
 using Ryujinx.Common.Memory;
 using Ryujinx.Memory;
 using System;
-using System.Buffers;
 using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 
@@ -145,9 +144,9 @@ namespace Ryujinx.Graphics.Device
             }
             else
             {
-                IMemoryOwner<byte> memoryOwner = ByteMemoryPool.Rent(size);
+                MemoryOwner<byte> memoryOwner = MemoryOwner<byte>.Rent(size);
 
-                GetSpan(va, size).CopyTo(memoryOwner.Memory.Span);
+                ReadImpl(va, memoryOwner.Span);
 
                 return new WritableRegion(this, va, memoryOwner, tracked: true);
             }

src/Ryujinx.Graphics.Device/DeviceState.cs

@@ -39,7 +39,10 @@ namespace Ryujinx.Graphics.Device
             {
                 var field = fields[fieldIndex];
 
-                int sizeOfField = SizeCalculator.SizeOf(field.FieldType);
+                var currentFieldOffset = (int)Marshal.OffsetOf<TState>(field.Name);
+                var nextFieldOffset = fieldIndex + 1 == fields.Length ? Unsafe.SizeOf<TState>() : (int)Marshal.OffsetOf<TState>(fields[fieldIndex + 1].Name);
+
+                int sizeOfField = nextFieldOffset - currentFieldOffset;
 
                 for (int i = 0; i < ((sizeOfField + 3) & ~3); i += 4)
                 {

src/Ryujinx.Graphics.Device/SizeCalculator.cs

@@ -1,63 +0,0 @@
-using System;
-using System.Reflection;
-
-namespace Ryujinx.Graphics.Device
-{
-    public static class SizeCalculator
-    {
-        public static int SizeOf(Type type)
-        {
-            // Is type a enum type?
-            if (type.IsEnum)
-            {
-                type = type.GetEnumUnderlyingType();
-            }
-
-            // Is type a pointer type?
-            if (type.IsPointer || type == typeof(IntPtr) || type == typeof(UIntPtr))
-            {
-                return IntPtr.Size;
-            }
-
-            // Is type a struct type?
-            if (type.IsValueType && !type.IsPrimitive)
-            {
-                // Check if the struct has a explicit size, if so, return that.
-                if (type.StructLayoutAttribute.Size != 0)
-                {
-                    return type.StructLayoutAttribute.Size;
-                }
-
-                // Otherwise we calculate the sum of the sizes of all fields.
-                int size = 0;
-                var fields = type.GetFields(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance);
-
-                for (int fieldIndex = 0; fieldIndex < fields.Length; fieldIndex++)
-                {
-                    size += SizeOf(fields[fieldIndex].FieldType);
-                }
-
-                return size;
-            }
-
-            // Primitive types.
-            return (Type.GetTypeCode(type)) switch
-            {
-                TypeCode.SByte => sizeof(sbyte),
-                TypeCode.Byte => sizeof(byte),
-                TypeCode.Int16 => sizeof(short),
-                TypeCode.UInt16 => sizeof(ushort),
-                TypeCode.Int32 => sizeof(int),
-                TypeCode.UInt32 => sizeof(uint),
-                TypeCode.Int64 => sizeof(long),
-                TypeCode.UInt64 => sizeof(ulong),
-                TypeCode.Char => sizeof(char),
-                TypeCode.Single => sizeof(float),
-                TypeCode.Double => sizeof(double),
-                TypeCode.Decimal => sizeof(decimal),
-                TypeCode.Boolean => sizeof(bool),
-                _ => throw new ArgumentException($"Length for type \"{type.Name}\" is unknown."),
-            };
-        }
-    }
-}

src/Ryujinx.Graphics.GAL/BufferAccess.cs

@@ -6,8 +6,13 @@ namespace Ryujinx.Graphics.GAL
     public enum BufferAccess
     {
         Default = 0,
-        FlushPersistent = 1 << 0,
-        Stream = 1 << 1,
-        SparseCompatible = 1 << 2,
+        HostMemory = 1,
+        DeviceMemory = 2,
+        DeviceMemoryMapped = 3,
+
+        MemoryTypeMask = 0xf,
+
+        Stream = 1 << 4,
+        SparseCompatible = 1 << 5,
     }
 }

src/Ryujinx.Graphics.GAL/Capabilities.cs

@@ -6,6 +6,7 @@ namespace Ryujinx.Graphics.GAL
     {
         public readonly TargetApi Api;
         public readonly string VendorName;
+        public readonly SystemMemoryType MemoryType;
 
         public readonly bool HasFrontFacingBug;
         public readonly bool HasVectorIndexingBug;
@@ -50,6 +51,13 @@ namespace Ryujinx.Graphics.GAL
         public readonly bool SupportsIndirectParameters;
         public readonly bool SupportsDepthClipControl;
 
+        public readonly int UniformBufferSetIndex;
+        public readonly int StorageBufferSetIndex;
+        public readonly int TextureSetIndex;
+        public readonly int ImageSetIndex;
+        public readonly int ExtraSetBaseIndex;
+        public readonly int MaximumExtraSets;
+
         public readonly uint MaximumUniformBuffersPerStage;
         public readonly uint MaximumStorageBuffersPerStage;
         public readonly uint MaximumTexturesPerStage;
@@ -66,6 +74,7 @@ namespace Ryujinx.Graphics.GAL
         public Capabilities(
             TargetApi api,
             string vendorName,
+            SystemMemoryType memoryType,
             bool hasFrontFacingBug,
             bool hasVectorIndexingBug,
             bool needsFragmentOutputSpecialization,
@@ -107,6 +116,12 @@ namespace Ryujinx.Graphics.GAL
             bool supportsViewportSwizzle,
             bool supportsIndirectParameters,
             bool supportsDepthClipControl,
+            int uniformBufferSetIndex,
+            int storageBufferSetIndex,
+            int textureSetIndex,
+            int imageSetIndex,
+            int extraSetBaseIndex,
+            int maximumExtraSets,
             uint maximumUniformBuffersPerStage,
             uint maximumStorageBuffersPerStage,
             uint maximumTexturesPerStage,
@@ -120,6 +135,7 @@ namespace Ryujinx.Graphics.GAL
         {
             Api = api;
             VendorName = vendorName;
+            MemoryType = memoryType;
             HasFrontFacingBug = hasFrontFacingBug;
             HasVectorIndexingBug = hasVectorIndexingBug;
             NeedsFragmentOutputSpecialization = needsFragmentOutputSpecialization;
@@ -161,6 +177,12 @@ namespace Ryujinx.Graphics.GAL
             SupportsViewportSwizzle = supportsViewportSwizzle;
             SupportsIndirectParameters = supportsIndirectParameters;
             SupportsDepthClipControl = supportsDepthClipControl;
+            UniformBufferSetIndex = uniformBufferSetIndex;
+            StorageBufferSetIndex = storageBufferSetIndex;
+            TextureSetIndex = textureSetIndex;
+            ImageSetIndex = imageSetIndex;
+            ExtraSetBaseIndex = extraSetBaseIndex;
+            MaximumExtraSets = maximumExtraSets;
             MaximumUniformBuffersPerStage = maximumUniformBuffersPerStage;
             MaximumStorageBuffersPerStage = maximumStorageBuffersPerStage;
             MaximumTexturesPerStage = maximumTexturesPerStage;

src/Ryujinx.Graphics.GAL/Format.cs

@@ -711,5 +711,36 @@ namespace Ryujinx.Graphics.GAL
         {
             return format.IsUint() || format.IsSint();
         }
+
+        /// <summary>
+        /// Checks if the texture format is a float or sRGB color format.
+        /// </summary>
+        /// <remarks>
+        /// Does not include normalized, compressed or depth formats.
+        /// Float and sRGB formats do not participate in logical operations.
+        /// </remarks>
+        /// <param name="format">Texture format</param>
+        /// <returns>True if the format is a float or sRGB color format, false otherwise</returns>
+        public static bool IsFloatOrSrgb(this Format format)
+        {
+            switch (format)
+            {
+                case Format.R8G8B8A8Srgb:
+                case Format.B8G8R8A8Srgb:
+                case Format.R16Float:
+                case Format.R16G16Float:
+                case Format.R16G16B16Float:
+                case Format.R16G16B16A16Float:
+                case Format.R32Float:
+                case Format.R32G32Float:
+                case Format.R32G32B32Float:
+                case Format.R32G32B32A32Float:
+                case Format.R11G11B10Float:
+                case Format.R9G9B9E5Float:
+                    return true;
+            }
+
+            return false;
+        }
     }
 }

src/Ryujinx.Graphics.GAL/IImageArray.cs

@@ -1,6 +1,8 @@
+using System;
+
 namespace Ryujinx.Graphics.GAL
 {
-    public interface IImageArray
+    public interface IImageArray : IDisposable
     {
         void SetFormats(int index, Format[] imageFormats);
         void SetImages(int index, ITexture[] images);

src/Ryujinx.Graphics.GAL/IPipeline.cs

@@ -60,6 +60,7 @@ namespace Ryujinx.Graphics.GAL
 
         void SetImage(ShaderStage stage, int binding, ITexture texture, Format imageFormat);
         void SetImageArray(ShaderStage stage, int binding, IImageArray array);
+        void SetImageArraySeparate(ShaderStage stage, int setIndex, IImageArray array);
 
         void SetLineParameters(float width, bool smooth);
 
@@ -91,6 +92,7 @@ namespace Ryujinx.Graphics.GAL
 
         void SetTextureAndSampler(ShaderStage stage, int binding, ITexture texture, ISampler sampler);
         void SetTextureArray(ShaderStage stage, int binding, ITextureArray array);
+        void SetTextureArraySeparate(ShaderStage stage, int setIndex, ITextureArray array);
 
         void SetTransformFeedbackBuffers(ReadOnlySpan<BufferRange> buffers);
         void SetUniformBuffers(ReadOnlySpan<BufferAssignment> buffers);

src/Ryujinx.Graphics.GAL/IRenderer.cs

@@ -17,7 +17,6 @@ namespace Ryujinx.Graphics.GAL
         void BackgroundContextAction(Action action, bool alwaysBackground = false);
 
         BufferHandle CreateBuffer(int size, BufferAccess access = BufferAccess.Default);
-        BufferHandle CreateBuffer(int size, BufferAccess access, BufferHandle storageHint);
         BufferHandle CreateBuffer(nint pointer, int size);
         BufferHandle CreateBufferSparse(ReadOnlySpan<BufferRange> storageBuffers);
 

src/Ryujinx.Graphics.GAL/ITextureArray.cs

@@ -1,6 +1,8 @@
+using System;
+
 namespace Ryujinx.Graphics.GAL
 {
-    public interface ITextureArray
+    public interface ITextureArray : IDisposable
     {
         void SetSamplers(int index, ISampler[] samplers);
         void SetTextures(int index, ITexture[] textures);

src/Ryujinx.Graphics.GAL/Multithreading/CommandHelper.cs

@@ -44,7 +44,6 @@ namespace Ryujinx.Graphics.GAL.Multithreading
             }
 
             Register<ActionCommand>(CommandType.Action);
-            Register<CreateBufferCommand>(CommandType.CreateBuffer);
             Register<CreateBufferAccessCommand>(CommandType.CreateBufferAccess);
             Register<CreateBufferSparseCommand>(CommandType.CreateBufferSparse);
             Register<CreateHostBufferCommand>(CommandType.CreateHostBuffer);
@@ -67,6 +66,7 @@ namespace Ryujinx.Graphics.GAL.Multithreading
             Register<CounterEventDisposeCommand>(CommandType.CounterEventDispose);
             Register<CounterEventFlushCommand>(CommandType.CounterEventFlush);
 
+            Register<ImageArrayDisposeCommand>(CommandType.ImageArrayDispose);
             Register<ImageArraySetFormatsCommand>(CommandType.ImageArraySetFormats);
             Register<ImageArraySetImagesCommand>(CommandType.ImageArraySetImages);
 
@@ -89,6 +89,7 @@ namespace Ryujinx.Graphics.GAL.Multithreading
             Register<TextureSetDataSliceRegionCommand>(CommandType.TextureSetDataSliceRegion);
             Register<TextureSetStorageCommand>(CommandType.TextureSetStorage);
 
+            Register<TextureArrayDisposeCommand>(CommandType.TextureArrayDispose);
             Register<TextureArraySetSamplersCommand>(CommandType.TextureArraySetSamplers);
             Register<TextureArraySetTexturesCommand>(CommandType.TextureArraySetTextures);
 
@@ -125,6 +126,7 @@ namespace Ryujinx.Graphics.GAL.Multithreading
             Register<SetUniformBuffersCommand>(CommandType.SetUniformBuffers);
             Register<SetImageCommand>(CommandType.SetImage);
             Register<SetImageArrayCommand>(CommandType.SetImageArray);
+            Register<SetImageArraySeparateCommand>(CommandType.SetImageArraySeparate);
             Register<SetIndexBufferCommand>(CommandType.SetIndexBuffer);
             Register<SetLineParametersCommand>(CommandType.SetLineParameters);
             Register<SetLogicOpStateCommand>(CommandType.SetLogicOpState);
@@ -142,6 +144,7 @@ namespace Ryujinx.Graphics.GAL.Multithreading
             Register<SetStencilTestCommand>(CommandType.SetStencilTest);
             Register<SetTextureAndSamplerCommand>(CommandType.SetTextureAndSampler);
             Register<SetTextureArrayCommand>(CommandType.SetTextureArray);
+            Register<SetTextureArraySeparateCommand>(CommandType.SetTextureArraySeparate);
             Register<SetUserClipDistanceCommand>(CommandType.SetUserClipDistance);
             Register<SetVertexAttribsCommand>(CommandType.SetVertexAttribs);
             Register<SetVertexBuffersCommand>(CommandType.SetVertexBuffers);

src/Ryujinx.Graphics.GAL/Multithreading/CommandType.cs

@@ -3,7 +3,6 @@ namespace Ryujinx.Graphics.GAL.Multithreading
     enum CommandType : byte
     {
         Action,
-        CreateBuffer,
         CreateBufferAccess,
         CreateBufferSparse,
         CreateHostBuffer,
@@ -27,6 +26,7 @@ namespace Ryujinx.Graphics.GAL.Multithreading
         CounterEventDispose,
         CounterEventFlush,
 
+        ImageArrayDispose,
         ImageArraySetFormats,
         ImageArraySetImages,
 
@@ -49,6 +49,7 @@ namespace Ryujinx.Graphics.GAL.Multithreading
         TextureSetDataSliceRegion,
         TextureSetStorage,
 
+        TextureArrayDispose,
         TextureArraySetSamplers,
         TextureArraySetTextures,
 
@@ -85,6 +86,7 @@ namespace Ryujinx.Graphics.GAL.Multithreading
         SetUniformBuffers,
         SetImage,
         SetImageArray,
+        SetImageArraySeparate,
         SetIndexBuffer,
         SetLineParameters,
         SetLogicOpState,
@@ -102,6 +104,7 @@ namespace Ryujinx.Graphics.GAL.Multithreading
         SetStencilTest,
         SetTextureAndSampler,
         SetTextureArray,
+        SetTextureArraySeparate,
         SetUserClipDistance,
         SetVertexAttribs,
         SetVertexBuffers,

src/Ryujinx.Graphics.GAL/Multithreading/Commands/ImageArray/ImageArrayDisposeCommand.cs

@@ -0,0 +1,21 @@
+using Ryujinx.Graphics.GAL.Multithreading.Model;
+using Ryujinx.Graphics.GAL.Multithreading.Resources;
+
+namespace Ryujinx.Graphics.GAL.Multithreading.Commands.ImageArray
+{
+    struct ImageArrayDisposeCommand : IGALCommand, IGALCommand<ImageArrayDisposeCommand>
+    {
+        public readonly CommandType CommandType => CommandType.ImageArrayDispose;
+        private TableRef<ThreadedImageArray> _imageArray;
+
+        public void Set(TableRef<ThreadedImageArray> imageArray)
+        {
+            _imageArray = imageArray;
+        }
+
+        public static void Run(ref ImageArrayDisposeCommand command, ThreadedRenderer threaded, IRenderer renderer)
+        {
+            command._imageArray.Get(threaded).Base.Dispose();
+        }
+    }
+}

src/Ryujinx.Graphics.GAL/Multithreading/Commands/Renderer/CreateBufferCommand.cs

@@ -1,31 +0,0 @@
-namespace Ryujinx.Graphics.GAL.Multithreading.Commands.Renderer
-{
-    struct CreateBufferCommand : IGALCommand, IGALCommand<CreateBufferCommand>
-    {
-        public readonly CommandType CommandType => CommandType.CreateBuffer;
-        private BufferHandle _threadedHandle;
-        private int _size;
-        private BufferAccess _access;
-        private BufferHandle _storageHint;
-
-        public void Set(BufferHandle threadedHandle, int size, BufferAccess access, BufferHandle storageHint)
-        {
-            _threadedHandle = threadedHandle;
-            _size = size;
-            _access = access;
-            _storageHint = storageHint;
-        }
-
-        public static void Run(ref CreateBufferCommand command, ThreadedRenderer threaded, IRenderer renderer)
-        {
-            BufferHandle hint = BufferHandle.Null;
-
-            if (command._storageHint != BufferHandle.Null)
-            {
-                hint = threaded.Buffers.MapBuffer(command._storageHint);
-            }
-
-            threaded.Buffers.AssignBuffer(command._threadedHandle, renderer.CreateBuffer(command._size, command._access, hint));
-        }
-    }
-}

src/Ryujinx.Graphics.GAL/Multithreading/Commands/SetImageArraySeparateCommand.cs

@@ -0,0 +1,26 @@
+using Ryujinx.Graphics.GAL.Multithreading.Model;
+using Ryujinx.Graphics.GAL.Multithreading.Resources;
+using Ryujinx.Graphics.Shader;
+
+namespace Ryujinx.Graphics.GAL.Multithreading.Commands
+{
+    struct SetImageArraySeparateCommand : IGALCommand, IGALCommand<SetImageArraySeparateCommand>
+    {
+        public readonly CommandType CommandType => CommandType.SetImageArraySeparate;
+        private ShaderStage _stage;
+        private int _setIndex;
+        private TableRef<IImageArray> _array;
+
+        public void Set(ShaderStage stage, int setIndex, TableRef<IImageArray> array)
+        {
+            _stage = stage;
+            _setIndex = setIndex;
+            _array = array;
+        }
+
+        public static void Run(ref SetImageArraySeparateCommand command, ThreadedRenderer threaded, IRenderer renderer)
+        {
+            renderer.Pipeline.SetImageArraySeparate(command._stage, command._setIndex, command._array.GetAs<ThreadedImageArray>(threaded)?.Base);
+        }
+    }
+}

src/Ryujinx.Graphics.GAL/Multithreading/Commands/SetTextureArraySeparateCommand.cs

@@ -0,0 +1,26 @@
+using Ryujinx.Graphics.GAL.Multithreading.Model;
+using Ryujinx.Graphics.GAL.Multithreading.Resources;
+using Ryujinx.Graphics.Shader;
+
+namespace Ryujinx.Graphics.GAL.Multithreading.Commands
+{
+    struct SetTextureArraySeparateCommand : IGALCommand, IGALCommand<SetTextureArraySeparateCommand>
+    {
+        public readonly CommandType CommandType => CommandType.SetTextureArraySeparate;
+        private ShaderStage _stage;
+        private int _setIndex;
+        private TableRef<ITextureArray> _array;
+
+        public void Set(ShaderStage stage, int setIndex, TableRef<ITextureArray> array)
+        {
+            _stage = stage;
+            _setIndex = setIndex;
+            _array = array;
+        }
+
+        public static void Run(ref SetTextureArraySeparateCommand command, ThreadedRenderer threaded, IRenderer renderer)
+        {
+            renderer.Pipeline.SetTextureArraySeparate(command._stage, command._setIndex, command._array.GetAs<ThreadedTextureArray>(threaded)?.Base);
+        }
+    }
+}

src/Ryujinx.Graphics.GAL/Multithreading/Commands/TextureArray/TextureArrayDisposeCommand.cs

@@ -0,0 +1,21 @@
+using Ryujinx.Graphics.GAL.Multithreading.Model;
+using Ryujinx.Graphics.GAL.Multithreading.Resources;
+
+namespace Ryujinx.Graphics.GAL.Multithreading.Commands.TextureArray
+{
+    struct TextureArrayDisposeCommand : IGALCommand, IGALCommand<TextureArrayDisposeCommand>
+    {
+        public readonly CommandType CommandType => CommandType.TextureArrayDispose;
+        private TableRef<ThreadedTextureArray> _textureArray;
+
+        public void Set(TableRef<ThreadedTextureArray> textureArray)
+        {
+            _textureArray = textureArray;
+        }
+
+        public static void Run(ref TextureArrayDisposeCommand command, ThreadedRenderer threaded, IRenderer renderer)
+        {
+            command._textureArray.Get(threaded).Base.Dispose();
+        }
+    }
+}

src/Ryujinx.Graphics.GAL/Multithreading/Resources/ThreadedImageArray.cs

@@ -21,6 +21,12 @@ namespace Ryujinx.Graphics.GAL.Multithreading.Resources
             return new TableRef<T>(_renderer, reference);
         }
 
+        public void Dispose()
+        {
+            _renderer.New<ImageArrayDisposeCommand>().Set(Ref(this));
+            _renderer.QueueCommand();
+        }
+
         public void SetFormats(int index, Format[] imageFormats)
         {
             _renderer.New<ImageArraySetFormatsCommand>().Set(Ref(this), index, Ref(imageFormats));

src/Ryujinx.Graphics.GAL/Multithreading/Resources/ThreadedTextureArray.cs

@@ -22,6 +22,12 @@ namespace Ryujinx.Graphics.GAL.Multithreading.Resources
             return new TableRef<T>(_renderer, reference);
         }
 
+        public void Dispose()
+        {
+            _renderer.New<TextureArrayDisposeCommand>().Set(Ref(this));
+            _renderer.QueueCommand();
+        }
+
         public void SetSamplers(int index, ISampler[] samplers)
         {
             _renderer.New<TextureArraySetSamplersCommand>().Set(Ref(this), index, Ref(samplers.ToArray()));

src/Ryujinx.Graphics.GAL/Multithreading/ThreadedPipeline.cs

@@ -189,6 +189,12 @@ namespace Ryujinx.Graphics.GAL.Multithreading
             _renderer.QueueCommand();
         }
 
+        public void SetImageArraySeparate(ShaderStage stage, int setIndex, IImageArray array)
+        {
+            _renderer.New<SetImageArraySeparateCommand>().Set(stage, setIndex, Ref(array));
+            _renderer.QueueCommand();
+        }
+
         public void SetIndexBuffer(BufferRange buffer, IndexType type)
         {
             _renderer.New<SetIndexBufferCommand>().Set(buffer, type);
@@ -297,6 +303,12 @@ namespace Ryujinx.Graphics.GAL.Multithreading
             _renderer.QueueCommand();
         }
 
+        public void SetTextureArraySeparate(ShaderStage stage, int setIndex, ITextureArray array)
+        {
+            _renderer.New<SetTextureArraySeparateCommand>().Set(stage, setIndex, Ref(array));
+            _renderer.QueueCommand();
+        }
+
         public void SetTransformFeedbackBuffers(ReadOnlySpan<BufferRange> buffers)
         {
             _renderer.New<SetTransformFeedbackBuffersCommand>().Set(_renderer.CopySpan(buffers));

src/Ryujinx.Graphics.GAL/Multithreading/ThreadedRenderer.cs

@@ -272,15 +272,6 @@ namespace Ryujinx.Graphics.GAL.Multithreading
             return handle;
         }
 
-        public BufferHandle CreateBuffer(int size, BufferAccess access, BufferHandle storageHint)
-        {
-            BufferHandle handle = Buffers.CreateBufferHandle();
-            New<CreateBufferCommand>().Set(handle, size, access, storageHint);
-            QueueCommand();
-
-            return handle;
-        }
-
         public BufferHandle CreateBuffer(nint pointer, int size)
         {
             BufferHandle handle = Buffers.CreateBufferHandle();

src/Ryujinx.Graphics.GAL/ResourceLayout.cs

@@ -74,13 +74,15 @@ namespace Ryujinx.Graphics.GAL
         public int ArrayLength { get; }
         public ResourceType Type { get; }
         public ResourceStages Stages { get; }
+        public bool Write { get; }
 
-        public ResourceUsage(int binding, int arrayLength, ResourceType type, ResourceStages stages)
+        public ResourceUsage(int binding, int arrayLength, ResourceType type, ResourceStages stages, bool write)
         {
             Binding = binding;
             ArrayLength = arrayLength;
             Type = type;
             Stages = stages;
+            Write = write;
         }
 
         public override int GetHashCode()

src/Ryujinx.Graphics.GAL/SystemMemoryType.cs

@@ -0,0 +1,29 @@
+namespace Ryujinx.Graphics.GAL
+{
+    public enum SystemMemoryType
+    {
+        /// <summary>
+        /// The backend manages the ownership of memory. This mode never supports host imported memory.
+        /// </summary>
+        BackendManaged,
+
+        /// <summary>
+        /// Device memory has similar performance to host memory, usually because it's shared between CPU/GPU.
+        /// Use host memory whenever possible.
+        /// </summary>
+        UnifiedMemory,
+
+        /// <summary>
+        /// GPU storage to host memory goes though a slow interconnect, but it would still be preferable to use it if the data is flushed back often.
+        /// Assumes constant buffer access to host memory is rather fast.
+        /// </summary>
+        DedicatedMemory,
+
+        /// <summary>
+        /// GPU storage to host memory goes though a slow interconnect, that is very slow when doing access from storage.
+        /// When frequently accessed, copy buffers to host memory using DMA.
+        /// Assumes constant buffer access to host memory is rather fast.
+        /// </summary>
+        DedicatedMemorySlowStorage
+    }
+}

src/Ryujinx.Graphics.GAL/TextureCreateInfo.cs

@@ -1,6 +1,5 @@
 using Ryujinx.Common;
 using System;
-using System.Numerics;
 
 namespace Ryujinx.Graphics.GAL
 {
@@ -113,25 +112,6 @@ namespace Ryujinx.Graphics.GAL
             return 1;
         }
 
-        public int GetLevelsClamped()
-        {
-            int maxSize = Width;
-
-            if (Target != Target.Texture1D &&
-                Target != Target.Texture1DArray)
-            {
-                maxSize = Math.Max(maxSize, Height);
-            }
-
-            if (Target == Target.Texture3D)
-            {
-                maxSize = Math.Max(maxSize, Depth);
-            }
-
-            int maxLevels = BitOperations.Log2((uint)maxSize) + 1;
-            return Math.Min(Levels, maxLevels);
-        }
-
         private static int GetLevelSize(int size, int level)
         {
             return Math.Max(1, size >> level);

src/Ryujinx.Graphics.Gpu/Engine/InlineToMemory/InlineToMemoryClass.cs

@@ -199,7 +199,7 @@ namespace Ryujinx.Graphics.Gpu.Engine.InlineToMemory
                     if (target != null)
                     {
                         target.SynchronizeMemory();
-                        var dataCopy = ByteMemoryPool.RentCopy(data);
+                        var dataCopy = MemoryOwner<byte>.RentCopy(data);
                         target.SetData(dataCopy, 0, 0, new GAL.Rectangle<int>(_dstX, _dstY, _lineLengthIn / target.Info.FormatInfo.BytesPerPixel, _lineCount));
                         target.SignalModified();
 

src/Ryujinx.Graphics.Gpu/Engine/MME/MacroHLE.cs

@@ -5,6 +5,7 @@ using Ryujinx.Graphics.GAL;
 using Ryujinx.Graphics.Gpu.Engine.GPFifo;
 using Ryujinx.Graphics.Gpu.Engine.Threed;
 using Ryujinx.Graphics.Gpu.Engine.Types;
+using Ryujinx.Graphics.Gpu.Memory;
 using Ryujinx.Memory.Range;
 using System;
 using System.Collections.Generic;
@@ -495,8 +496,8 @@ namespace Ryujinx.Graphics.Gpu.Engine.MME
 
             ulong indirectBufferSize = (ulong)maxDrawCount * (ulong)stride;
 
-            MultiRange indirectBufferRange = bufferCache.TranslateAndCreateMultiBuffers(_processor.MemoryManager, indirectBufferGpuVa, indirectBufferSize);
-            MultiRange parameterBufferRange = bufferCache.TranslateAndCreateMultiBuffers(_processor.MemoryManager, parameterBufferGpuVa, 4);
+            MultiRange indirectBufferRange = bufferCache.TranslateAndCreateMultiBuffers(_processor.MemoryManager, indirectBufferGpuVa, indirectBufferSize, BufferStage.Indirect);
+            MultiRange parameterBufferRange = bufferCache.TranslateAndCreateMultiBuffers(_processor.MemoryManager, parameterBufferGpuVa, 4, BufferStage.Indirect);
 
             _processor.ThreedClass.DrawIndirect(
                 topology,

src/Ryujinx.Graphics.Gpu/Engine/Threed/ComputeDraw/VtgAsComputeContext.cs

@@ -438,7 +438,7 @@ namespace Ryujinx.Graphics.Gpu.Engine.Threed.ComputeDraw
 
             ReadOnlySpan<byte> dataBytes = MemoryMarshal.Cast<int, byte>(data);
 
-            BufferHandle buffer = _context.Renderer.CreateBuffer(dataBytes.Length);
+            BufferHandle buffer = _context.Renderer.CreateBuffer(dataBytes.Length, BufferAccess.DeviceMemory);
             _context.Renderer.SetBufferData(buffer, 0, dataBytes);
 
             return new IndexBuffer(buffer, count, dataBytes.Length);
@@ -529,7 +529,7 @@ namespace Ryujinx.Graphics.Gpu.Engine.Threed.ComputeDraw
         {
             if (_dummyBuffer == BufferHandle.Null)
             {
-                _dummyBuffer = _context.Renderer.CreateBuffer(DummyBufferSize);
+                _dummyBuffer = _context.Renderer.CreateBuffer(DummyBufferSize, BufferAccess.DeviceMemory);
                 _context.Renderer.Pipeline.ClearBuffer(_dummyBuffer, 0, DummyBufferSize, 0);
             }
 
@@ -550,7 +550,7 @@ namespace Ryujinx.Graphics.Gpu.Engine.Threed.ComputeDraw
                     _context.Renderer.DeleteBuffer(_sequentialIndexBuffer);
                 }
 
-                _sequentialIndexBuffer = _context.Renderer.CreateBuffer(count * sizeof(uint));
+                _sequentialIndexBuffer = _context.Renderer.CreateBuffer(count * sizeof(uint), BufferAccess.DeviceMemory);
                 _sequentialIndexBufferCount = count;
 
                 Span<int> data = new int[count];
@@ -583,7 +583,7 @@ namespace Ryujinx.Graphics.Gpu.Engine.Threed.ComputeDraw
                     _context.Renderer.DeleteBuffer(buffer.Handle);
                 }
 
-                buffer.Handle = _context.Renderer.CreateBuffer(newSize);
+                buffer.Handle = _context.Renderer.CreateBuffer(newSize, BufferAccess.DeviceMemory);
                 buffer.Size = newSize;
             }
 

src/Ryujinx.Graphics.Gpu/Engine/Threed/ComputeDraw/VtgAsComputeState.cs

@@ -3,6 +3,7 @@ using Ryujinx.Common.Logging;
 using Ryujinx.Graphics.GAL;
 using Ryujinx.Graphics.Gpu.Engine.Types;
 using Ryujinx.Graphics.Gpu.Image;
+using Ryujinx.Graphics.Gpu.Memory;
 using Ryujinx.Graphics.Gpu.Shader;
 using Ryujinx.Graphics.Shader;
 using Ryujinx.Graphics.Shader.Translation;
@@ -370,7 +371,7 @@ namespace Ryujinx.Graphics.Gpu.Engine.Threed.ComputeDraw
         {
             var memoryManager = _channel.MemoryManager;
 
-            BufferRange range = memoryManager.Physical.BufferCache.GetBufferRange(memoryManager.GetPhysicalRegions(address, size));
+            BufferRange range = memoryManager.Physical.BufferCache.GetBufferRange(memoryManager.GetPhysicalRegions(address, size), BufferStage.VertexBuffer);
 
             ITexture bufferTexture = _vacContext.EnsureBufferTexture(index + 2, format);
             bufferTexture.SetStorage(range);
@@ -412,7 +413,9 @@ namespace Ryujinx.Graphics.Gpu.Engine.Threed.ComputeDraw
             var memoryManager = _channel.MemoryManager;
 
             ulong misalign = address & ((ulong)_context.Capabilities.TextureBufferOffsetAlignment - 1);
-            BufferRange range = memoryManager.Physical.BufferCache.GetBufferRange(memoryManager.GetPhysicalRegions(address + indexOffset - misalign, size + misalign));
+            BufferRange range = memoryManager.Physical.BufferCache.GetBufferRange(
+                memoryManager.GetPhysicalRegions(address + indexOffset - misalign, size + misalign),
+                BufferStage.IndexBuffer);
             misalignedOffset = (int)misalign >> shift;
 
             SetIndexBufferTexture(reservations, range, format);

src/Ryujinx.Graphics.Gpu/Engine/Threed/DrawManager.cs

@@ -684,8 +684,8 @@ namespace Ryujinx.Graphics.Gpu.Engine.Threed
 
             if (hasCount)
             {
-                var indirectBuffer = memory.BufferCache.GetBufferRange(indirectBufferRange);
-                var parameterBuffer = memory.BufferCache.GetBufferRange(parameterBufferRange);
+                var indirectBuffer = memory.BufferCache.GetBufferRange(indirectBufferRange, BufferStage.Indirect);
+                var parameterBuffer = memory.BufferCache.GetBufferRange(parameterBufferRange, BufferStage.Indirect);
 
                 if (indexed)
                 {
@@ -698,7 +698,7 @@ namespace Ryujinx.Graphics.Gpu.Engine.Threed
             }
             else
             {
-                var indirectBuffer = memory.BufferCache.GetBufferRange(indirectBufferRange);
+                var indirectBuffer = memory.BufferCache.GetBufferRange(indirectBufferRange, BufferStage.Indirect);
 
                 if (indexed)
                 {

src/Ryujinx.Graphics.Gpu/Engine/Threed/StateUpdateTracker.cs

@@ -79,7 +79,10 @@ namespace Ryujinx.Graphics.Gpu.Engine.Threed
             {
                 var field = fields[fieldIndex];
 
-                int sizeOfField = SizeCalculator.SizeOf(field.FieldType);
+                var currentFieldOffset = (int)Marshal.OffsetOf<TState>(field.Name);
+                var nextFieldOffset = fieldIndex + 1 == fields.Length ? Unsafe.SizeOf<TState>() : (int)Marshal.OffsetOf<TState>(fields[fieldIndex + 1].Name);
+
+                int sizeOfField = nextFieldOffset - currentFieldOffset;
 
                 if (fieldToDelegate.TryGetValue(field.Name, out int entryIndex))
                 {

src/Ryujinx.Graphics.Gpu/GpuContext.cs

@@ -393,17 +393,18 @@ namespace Ryujinx.Graphics.Gpu
 
             if (force || _pendingSync || (syncpoint && SyncpointActions.Count > 0))
             {
-                Renderer.CreateSync(SyncNumber, strict);
-
                 foreach (var action in SyncActions)
                 {
                     action.SyncPreAction(syncpoint);
                 }
+
                 foreach (var action in SyncpointActions)
                 {
                     action.SyncPreAction(syncpoint);
                 }
 
+                Renderer.CreateSync(SyncNumber, strict);
+
                 SyncNumber++;
 
                 SyncActions.RemoveAll(action => action.SyncAction(syncpoint));

src/Ryujinx.Graphics.Gpu/Image/Texture.cs

@@ -1,4 +1,5 @@
 using Ryujinx.Common.Logging;
+using Ryujinx.Common.Memory;
 using Ryujinx.Graphics.GAL;
 using Ryujinx.Graphics.Gpu.Memory;
 using Ryujinx.Graphics.Texture;
@@ -805,7 +806,7 @@ namespace Ryujinx.Graphics.Gpu.Image
                         sliceDepth,
                         levels,
                         layers,
-                        out IMemoryOwner<byte> decoded))
+                        out MemoryOwner<byte> decoded))
                     {
                         string texInfo = $"{Info.Target} {Info.FormatInfo.Format} {Info.Width}x{Info.Height}x{Info.DepthOrLayers} levels {Info.Levels}";
 

src/Ryujinx.Graphics.Gpu/Image/TextureBindingInfo.cs

@@ -19,6 +19,11 @@ namespace Ryujinx.Graphics.Gpu.Image
         /// </summary>
         public Format Format { get; }
 
+        /// <summary>
+        /// Shader texture host set index.
+        /// </summary>
+        public int Set { get; }
+
         /// <summary>
         /// Shader texture host binding point.
         /// </summary>
@@ -54,15 +59,17 @@ namespace Ryujinx.Graphics.Gpu.Image
         /// </summary>
         /// <param name="target">The shader sampler target type</param>
         /// <param name="format">Format of the image as declared on the shader</param>
+        /// <param name="set">Shader texture host set index</param>
         /// <param name="binding">The shader texture binding point</param>
         /// <param name="arrayLength">For array of textures, this indicates the length of the array. A value of one indicates it is not an array</param>
         /// <param name="cbufSlot">Constant buffer slot where the texture handle is located</param>
         /// <param name="handle">The shader texture handle (read index into the texture constant buffer)</param>
         /// <param name="flags">The texture's usage flags, indicating how it is used in the shader</param>
-        public TextureBindingInfo(Target target, Format format, int binding, int arrayLength, int cbufSlot, int handle, TextureUsageFlags flags)
+        public TextureBindingInfo(Target target, Format format, int set, int binding, int arrayLength, int cbufSlot, int handle, TextureUsageFlags flags)
         {
             Target = target;
             Format = format;
+            Set = set;
             Binding = binding;
             ArrayLength = arrayLength;
             CbufSlot = cbufSlot;
@@ -74,6 +81,7 @@ namespace Ryujinx.Graphics.Gpu.Image
         /// Constructs the texture binding information structure.
         /// </summary>
         /// <param name="target">The shader sampler target type</param>
+        /// <param name="set">Shader texture host set index</param>
         /// <param name="binding">The shader texture binding point</param>
         /// <param name="arrayLength">For array of textures, this indicates the length of the array. A value of one indicates it is not an array</param>
         /// <param name="cbufSlot">Constant buffer slot where the texture handle is located</param>
@@ -82,12 +90,13 @@ namespace Ryujinx.Graphics.Gpu.Image
         /// <param name="isSamplerOnly">Indicates that the binding is for a sampler</param>
         public TextureBindingInfo(
             Target target,
+            int set,
             int binding,
             int arrayLength,
             int cbufSlot,
             int handle,
             TextureUsageFlags flags,
-            bool isSamplerOnly) : this(target, 0, binding, arrayLength, cbufSlot, handle, flags)
+            bool isSamplerOnly) : this(target, 0, set, binding, arrayLength, cbufSlot, handle, flags)
         {
             IsSamplerOnly = isSamplerOnly;
         }

src/Ryujinx.Graphics.Gpu/Image/TextureBindingsArrayCache.cs

@@ -340,7 +340,7 @@ namespace Ryujinx.Graphics.Gpu.Image
             /// <returns>True if any used entries of the pool might have been modified, false otherwise</returns>
             public bool SamplerPoolModified()
             {
-                return SamplerPool.WasModified(ref _samplerPoolSequence);
+                return SamplerPool != null && SamplerPool.WasModified(ref _samplerPoolSequence);
             }
         }
 
@@ -516,12 +516,15 @@ namespace Ryujinx.Graphics.Gpu.Image
                 }
 
                 // Check if any of our cached samplers changed on the pool.
-                foreach ((int samplerId, (Sampler sampler, SamplerDescriptor descriptor)) in SamplerIds)
+                if (SamplerPool != null)
                 {
-                    if (SamplerPool.GetCachedItem(samplerId) != sampler ||
-                        (sampler == null && SamplerPool.IsValidId(samplerId) && !SamplerPool.GetDescriptorRef(samplerId).Equals(descriptor)))
+                    foreach ((int samplerId, (Sampler sampler, SamplerDescriptor descriptor)) in SamplerIds)
                     {
-                        return true;
+                        if (SamplerPool.GetCachedItem(samplerId) != sampler ||
+                            (sampler == null && SamplerPool.IsValidId(samplerId) && !SamplerPool.GetDescriptorRef(samplerId).Equals(descriptor)))
+                        {
+                            return true;
+                        }
                     }
                 }
 
@@ -566,7 +569,7 @@ namespace Ryujinx.Graphics.Gpu.Image
             int stageIndex,
             int textureBufferIndex,
             SamplerIndex samplerIndex,
-            TextureBindingInfo bindingInfo)
+            in TextureBindingInfo bindingInfo)
         {
             Update(texturePool, samplerPool, stage, stageIndex, textureBufferIndex, isImage: false, samplerIndex, bindingInfo);
         }
@@ -579,7 +582,7 @@ namespace Ryujinx.Graphics.Gpu.Image
         /// <param name="stageIndex">Shader stage index where the array is used</param>
         /// <param name="textureBufferIndex">Texture constant buffer index</param>
         /// <param name="bindingInfo">Array binding information</param>
-        public void UpdateImageArray(TexturePool texturePool, ShaderStage stage, int stageIndex, int textureBufferIndex, TextureBindingInfo bindingInfo)
+        public void UpdateImageArray(TexturePool texturePool, ShaderStage stage, int stageIndex, int textureBufferIndex, in TextureBindingInfo bindingInfo)
         {
             Update(texturePool, null, stage, stageIndex, textureBufferIndex, isImage: true, SamplerIndex.ViaHeaderIndex, bindingInfo);
         }
@@ -603,7 +606,7 @@ namespace Ryujinx.Graphics.Gpu.Image
             int textureBufferIndex,
             bool isImage,
             SamplerIndex samplerIndex,
-            TextureBindingInfo bindingInfo)
+            in TextureBindingInfo bindingInfo)
         {
             if (IsDirectHandleType(bindingInfo.Handle))
             {
@@ -623,7 +626,7 @@ namespace Ryujinx.Graphics.Gpu.Image
         /// <param name="stage">Shader stage where the array is used</param>
         /// <param name="isImage">Whether the array is a image or texture array</param>
         /// <param name="bindingInfo">Array binding information</param>
-        private void UpdateFromPool(TexturePool texturePool, SamplerPool samplerPool, ShaderStage stage, bool isImage, TextureBindingInfo bindingInfo)
+        private void UpdateFromPool(TexturePool texturePool, SamplerPool samplerPool, ShaderStage stage, bool isImage, in TextureBindingInfo bindingInfo)
         {
             CacheEntry entry = GetOrAddEntry(texturePool, samplerPool, bindingInfo, isImage, out bool isNewEntry);
 
@@ -638,11 +641,11 @@ namespace Ryujinx.Graphics.Gpu.Image
 
                 if (isImage)
                 {
-                    _context.Renderer.Pipeline.SetImageArray(stage, bindingInfo.Binding, entry.ImageArray);
+                    SetImageArray(stage, bindingInfo, entry.ImageArray);
                 }
                 else
                 {
-                    _context.Renderer.Pipeline.SetTextureArray(stage, bindingInfo.Binding, entry.TextureArray);
+                    SetTextureArray(stage, bindingInfo, entry.TextureArray);
                 }
 
                 return;
@@ -708,11 +711,11 @@ namespace Ryujinx.Graphics.Gpu.Image
                             format = texture.Format;
                         }
 
-                        _channel.BufferManager.SetBufferTextureStorage(entry.ImageArray, hostTexture, texture.Range, bindingInfo, index, format);
+                        _channel.BufferManager.SetBufferTextureStorage(stage, entry.ImageArray, hostTexture, texture.Range, bindingInfo, index, format);
                     }
                     else
                     {
-                        _channel.BufferManager.SetBufferTextureStorage(entry.TextureArray, hostTexture, texture.Range, bindingInfo, index, format);
+                        _channel.BufferManager.SetBufferTextureStorage(stage, entry.TextureArray, hostTexture, texture.Range, bindingInfo, index, format);
                     }
                 }
                 else if (isImage)
@@ -737,14 +740,14 @@ namespace Ryujinx.Graphics.Gpu.Image
                 entry.ImageArray.SetFormats(0, formats);
                 entry.ImageArray.SetImages(0, textures);
 
-                _context.Renderer.Pipeline.SetImageArray(stage, bindingInfo.Binding, entry.ImageArray);
+                SetImageArray(stage, bindingInfo, entry.ImageArray);
             }
             else
             {
                 entry.TextureArray.SetSamplers(0, samplers);
                 entry.TextureArray.SetTextures(0, textures);
 
-                _context.Renderer.Pipeline.SetTextureArray(stage, bindingInfo.Binding, entry.TextureArray);
+                SetTextureArray(stage, bindingInfo, entry.TextureArray);
             }
         }
 
@@ -767,7 +770,7 @@ namespace Ryujinx.Graphics.Gpu.Image
             int textureBufferIndex,
             bool isImage,
             SamplerIndex samplerIndex,
-            TextureBindingInfo bindingInfo)
+            in TextureBindingInfo bindingInfo)
         {
             (textureBufferIndex, int samplerBufferIndex) = TextureHandle.UnpackSlots(bindingInfo.CbufSlot, textureBufferIndex);
 
@@ -800,11 +803,11 @@ namespace Ryujinx.Graphics.Gpu.Image
 
                     if (isImage)
                     {
-                        _context.Renderer.Pipeline.SetImageArray(stage, bindingInfo.Binding, entry.ImageArray);
+                        SetImageArray(stage, bindingInfo, entry.ImageArray);
                     }
                     else
                     {
-                        _context.Renderer.Pipeline.SetTextureArray(stage, bindingInfo.Binding, entry.TextureArray);
+                        SetTextureArray(stage, bindingInfo, entry.TextureArray);
                     }
 
                     return;
@@ -829,11 +832,11 @@ namespace Ryujinx.Graphics.Gpu.Image
 
                     if (isImage)
                     {
-                        _context.Renderer.Pipeline.SetImageArray(stage, bindingInfo.Binding, entry.ImageArray);
+                        SetImageArray(stage, bindingInfo, entry.ImageArray);
                     }
                     else
                     {
-                        _context.Renderer.Pipeline.SetTextureArray(stage, bindingInfo.Binding, entry.TextureArray);
+                        SetTextureArray(stage, bindingInfo, entry.TextureArray);
                     }
 
                     return;
@@ -899,13 +902,19 @@ namespace Ryujinx.Graphics.Gpu.Image
                     }
                 }
 
-                Sampler sampler = samplerPool?.Get(samplerId);
-
                 entry.TextureIds[textureId] = (texture, descriptor);
-                entry.SamplerIds[samplerId] = (sampler, samplerPool?.GetDescriptorRef(samplerId) ?? default);
 
                 ITexture hostTexture = texture?.GetTargetTexture(bindingInfo.Target);
-                ISampler hostSampler = sampler?.GetHostSampler(texture);
+                ISampler hostSampler = null;
+
+                if (!isImage && bindingInfo.Target != Target.TextureBuffer)
+                {
+                    Sampler sampler = samplerPool?.Get(samplerId);
+
+                    entry.SamplerIds[samplerId] = (sampler, samplerPool?.GetDescriptorRef(samplerId) ?? default);
+
+                    hostSampler = sampler?.GetHostSampler(texture);
+                }
 
                 Format format = bindingInfo.Format;
 
@@ -921,11 +930,11 @@ namespace Ryujinx.Graphics.Gpu.Image
                             format = texture.Format;
                         }
 
-                        _channel.BufferManager.SetBufferTextureStorage(entry.ImageArray, hostTexture, texture.Range, bindingInfo, index, format);
+                        _channel.BufferManager.SetBufferTextureStorage(stage, entry.ImageArray, hostTexture, texture.Range, bindingInfo, index, format);
                     }
                     else
                     {
-                        _channel.BufferManager.SetBufferTextureStorage(entry.TextureArray, hostTexture, texture.Range, bindingInfo, index, format);
+                        _channel.BufferManager.SetBufferTextureStorage(stage, entry.TextureArray, hostTexture, texture.Range, bindingInfo, index, format);
                     }
                 }
                 else if (isImage)
@@ -950,14 +959,50 @@ namespace Ryujinx.Graphics.Gpu.Image
                 entry.ImageArray.SetFormats(0, formats);
                 entry.ImageArray.SetImages(0, textures);
 
-                _context.Renderer.Pipeline.SetImageArray(stage, bindingInfo.Binding, entry.ImageArray);
+                SetImageArray(stage, bindingInfo, entry.ImageArray);
             }
             else
             {
                 entry.TextureArray.SetSamplers(0, samplers);
                 entry.TextureArray.SetTextures(0, textures);
 
-                _context.Renderer.Pipeline.SetTextureArray(stage, bindingInfo.Binding, entry.TextureArray);
+                SetTextureArray(stage, bindingInfo, entry.TextureArray);
+            }
+        }
+
+        /// <summary>
+        /// Updates a texture array binding on the host.
+        /// </summary>
+        /// <param name="stage">Shader stage where the array is used</param>
+        /// <param name="bindingInfo">Array binding information</param>
+        /// <param name="array">Texture array</param>
+        private void SetTextureArray(ShaderStage stage, in TextureBindingInfo bindingInfo, ITextureArray array)
+        {
+            if (bindingInfo.Set >= _context.Capabilities.ExtraSetBaseIndex && _context.Capabilities.MaximumExtraSets != 0)
+            {
+                _context.Renderer.Pipeline.SetTextureArraySeparate(stage, bindingInfo.Set, array);
+            }
+            else
+            {
+                _context.Renderer.Pipeline.SetTextureArray(stage, bindingInfo.Binding, array);
+            }
+        }
+
+        /// <summary>
+        /// Updates a image array binding on the host.
+        /// </summary>
+        /// <param name="stage">Shader stage where the array is used</param>
+        /// <param name="bindingInfo">Array binding information</param>
+        /// <param name="array">Image array</param>
+        private void SetImageArray(ShaderStage stage, in TextureBindingInfo bindingInfo, IImageArray array)
+        {
+            if (bindingInfo.Set >= _context.Capabilities.ExtraSetBaseIndex && _context.Capabilities.MaximumExtraSets != 0)
+            {
+                _context.Renderer.Pipeline.SetImageArraySeparate(stage, bindingInfo.Set, array);
+            }
+            else
+            {
+                _context.Renderer.Pipeline.SetImageArray(stage, bindingInfo.Binding, array);
             }
         }
 
@@ -973,7 +1018,7 @@ namespace Ryujinx.Graphics.Gpu.Image
         private CacheEntry GetOrAddEntry(
             TexturePool texturePool,
             SamplerPool samplerPool,
-            TextureBindingInfo bindingInfo,
+            in TextureBindingInfo bindingInfo,
             bool isImage,
             out bool isNew)
         {
@@ -1015,7 +1060,7 @@ namespace Ryujinx.Graphics.Gpu.Image
         private CacheEntryFromBuffer GetOrAddEntry(
             TexturePool texturePool,
             SamplerPool samplerPool,
-            TextureBindingInfo bindingInfo,
+            in TextureBindingInfo bindingInfo,
             bool isImage,
             ref BufferBounds textureBufferBounds,
             out bool isNew)
@@ -1077,6 +1122,15 @@ namespace Ryujinx.Graphics.Gpu.Image
                 nextNode = nextNode.Next;
                 _cacheFromBuffer.Remove(toRemove.Value.Key);
                 _lruCache.Remove(toRemove);
+
+                if (toRemove.Value.Key.IsImage)
+                {
+                    toRemove.Value.ImageArray.Dispose();
+                }
+                else
+                {
+                    toRemove.Value.TextureArray.Dispose();
+                }
             }
         }
 
@@ -1088,11 +1142,20 @@ namespace Ryujinx.Graphics.Gpu.Image
         {
             List<CacheEntryFromPoolKey> keysToRemove = null;
 
-            foreach (CacheEntryFromPoolKey key in _cacheFromPool.Keys)
+            foreach ((CacheEntryFromPoolKey key, CacheEntry entry) in _cacheFromPool)
             {
                 if (key.MatchesPool(pool))
                 {
                     (keysToRemove ??= new()).Add(key);
+
+                    if (key.IsImage)
+                    {
+                        entry.ImageArray.Dispose();
+                    }
+                    else
+                    {
+                        entry.TextureArray.Dispose();
+                    }
                 }
             }
 

src/Ryujinx.Graphics.Gpu/Image/TextureGroup.cs

@@ -645,7 +645,7 @@ namespace Ryujinx.Graphics.Gpu.Image
                 }
                 else
                 {
-                    _flushBuffer = _context.Renderer.CreateBuffer((int)Storage.Size, BufferAccess.FlushPersistent);
+                    _flushBuffer = _context.Renderer.CreateBuffer((int)Storage.Size, BufferAccess.HostMemory);
                     _flushBufferImported = false;
                 }
 

src/Ryujinx.Graphics.Gpu/Image/TexturePool.cs

@@ -6,6 +6,7 @@ using Ryujinx.Memory.Range;
 using System;
 using System.Collections.Concurrent;
 using System.Collections.Generic;
+using System.Numerics;
 using System.Threading;
 
 namespace Ryujinx.Graphics.Gpu.Image
@@ -490,6 +491,8 @@ namespace Ryujinx.Graphics.Gpu.Image
                 levels = (maxLod - minLod) + 1;
             }
 
+            levels = ClampLevels(target, width, height, depthOrLayers, levels);
+
             SwizzleComponent swizzleR = descriptor.UnpackSwizzleR().Convert();
             SwizzleComponent swizzleG = descriptor.UnpackSwizzleG().Convert();
             SwizzleComponent swizzleB = descriptor.UnpackSwizzleB().Convert();
@@ -540,6 +543,34 @@ namespace Ryujinx.Graphics.Gpu.Image
                 swizzleA);
         }
 
+        /// <summary>
+        /// Clamps the amount of mipmap levels to the maximum allowed for the given texture dimensions.
+        /// </summary>
+        /// <param name="target">Number of texture dimensions (1D, 2D, 3D, Cube, etc)</param>
+        /// <param name="width">Width of the texture</param>
+        /// <param name="height">Height of the texture, ignored for 1D textures</param>
+        /// <param name="depthOrLayers">Depth of the texture for 3D textures, otherwise ignored</param>
+        /// <param name="levels">Original amount of mipmap levels</param>
+        /// <returns>Clamped mipmap levels</returns>
+        private static int ClampLevels(Target target, int width, int height, int depthOrLayers, int levels)
+        {
+            int maxSize = width;
+
+            if (target != Target.Texture1D &&
+                target != Target.Texture1DArray)
+            {
+                maxSize = Math.Max(maxSize, height);
+            }
+
+            if (target == Target.Texture3D)
+            {
+                maxSize = Math.Max(maxSize, depthOrLayers);
+            }
+
+            int maxLevels = BitOperations.Log2((uint)maxSize) + 1;
+            return Math.Min(levels, maxLevels);
+        }
+
         /// <summary>
         /// Gets the texture depth-stencil mode, based on the swizzle components of each color channel.
         /// The depth-stencil mode is determined based on how the driver sets those parameters.

src/Ryujinx.Graphics.Gpu/Memory/Buffer.cs

@@ -10,6 +10,8 @@ using System.Threading;
 
 namespace Ryujinx.Graphics.Gpu.Memory
 {
+    delegate void BufferFlushAction(ulong address, ulong size, ulong syncNumber);
+
     /// <summary>
     /// Buffer, used to store vertex and index data, uniform and storage buffers, and others.
     /// </summary>
@@ -23,7 +25,7 @@ namespace Ryujinx.Graphics.Gpu.Memory
         /// <summary>
         /// Host buffer handle.
         /// </summary>
-        public BufferHandle Handle { get; }
+        public BufferHandle Handle { get; private set; }
 
         /// <summary>
         /// Start address of the buffer in guest memory.
@@ -60,6 +62,17 @@ namespace Ryujinx.Graphics.Gpu.Memory
         /// </remarks>
         private BufferModifiedRangeList _modifiedRanges = null;
 
+        /// <summary>
+        /// A structure that is used to flush buffer data back to a host mapped buffer for cached readback.
+        /// Only used if the buffer data is explicitly owned by device local memory.
+        /// </summary>
+        private BufferPreFlush _preFlush = null;
+
+        /// <summary>
+        /// Usage tracking state that determines what type of backing the buffer should use.
+        /// </summary>
+        public BufferBackingState BackingState;
+
         private readonly MultiRegionHandle _memoryTrackingGranular;
         private readonly RegionHandle _memoryTracking;
 
@@ -87,6 +100,7 @@ namespace Ryujinx.Graphics.Gpu.Memory
         /// <param name="physicalMemory">Physical memory where the buffer is mapped</param>
         /// <param name="address">Start address of the buffer</param>
         /// <param name="size">Size of the buffer in bytes</param>
+        /// <param name="stage">The type of usage that created the buffer</param>
         /// <param name="sparseCompatible">Indicates if the buffer can be used in a sparse buffer mapping</param>
         /// <param name="baseBuffers">Buffers which this buffer contains, and will inherit tracking handles from</param>
         public Buffer(
@@ -94,6 +108,7 @@ namespace Ryujinx.Graphics.Gpu.Memory
             PhysicalMemory physicalMemory,
             ulong address,
             ulong size,
+            BufferStage stage,
             bool sparseCompatible,
             IEnumerable<Buffer> baseBuffers = null)
         {
@@ -103,9 +118,11 @@ namespace Ryujinx.Graphics.Gpu.Memory
             Size = size;
             SparseCompatible = sparseCompatible;
 
-            BufferAccess access = sparseCompatible ? BufferAccess.SparseCompatible : BufferAccess.Default;
+            BackingState = new BufferBackingState(_context, this, stage, baseBuffers);
 
-            Handle = context.Renderer.CreateBuffer((int)size, access, baseBuffers?.MaxBy(x => x.Size).Handle ?? BufferHandle.Null);
+            BufferAccess access = BackingState.SwitchAccess(this);
+
+            Handle = context.Renderer.CreateBuffer((int)size, access);
 
             _useGranular = size > GranularBufferThreshold;
 
@@ -161,6 +178,29 @@ namespace Ryujinx.Graphics.Gpu.Memory
             _virtualDependenciesLock = new ReaderWriterLockSlim();
         }
 
+        /// <summary>
+        /// Recreates the backing buffer based on the desired access type
+        /// reported by the backing state struct.
+        /// </summary>
+        private void ChangeBacking()
+        {
+            BufferAccess access = BackingState.SwitchAccess(this);
+
+            BufferHandle newHandle = _context.Renderer.CreateBuffer((int)Size, access);
+
+            _context.Renderer.Pipeline.CopyBuffer(Handle, newHandle, 0, 0, (int)Size);
+
+            _modifiedRanges?.SelfMigration();
+
+            // If swtiching from device local to host mapped, pre-flushing data no longer makes sense.
+            // This is set to null and disposed when the migration fully completes.
+            _preFlush = null;
+
+            Handle = newHandle;
+
+            _physicalMemory.BufferCache.BufferBackingChanged(this);
+        }
+
         /// <summary>
         /// Gets a sub-range from the buffer, from a start address til a page boundary after the given size.
         /// </summary>
@@ -246,6 +286,7 @@ namespace Ryujinx.Graphics.Gpu.Memory
                     }
                     else
                     {
+                        BackingState.RecordSet();
                         _context.Renderer.SetBufferData(Handle, 0, _physicalMemory.GetSpan(Address, (int)Size));
                         CopyToDependantVirtualBuffers();
                     }
@@ -283,15 +324,35 @@ namespace Ryujinx.Graphics.Gpu.Memory
             _modifiedRanges ??= new BufferModifiedRangeList(_context, this, Flush);
         }
 
+        /// <summary>
+        /// Checks if a backing change is deemed necessary from the given usage.
+        /// If it is, queues a backing change to happen on the next sync action.
+        /// </summary>
+        /// <param name="stage">Buffer stage that can change backing type</param>
+        private void TryQueueBackingChange(BufferStage stage)
+        {
+            if (BackingState.ShouldChangeBacking(stage))
+            {
+                if (!_syncActionRegistered)
+                {
+                    _context.RegisterSyncAction(this);
+                    _syncActionRegistered = true;
+                }
+            }
+        }
+
         /// <summary>
         /// Signal that the given region of the buffer has been modified.
         /// </summary>
         /// <param name="address">The start address of the modified region</param>
         /// <param name="size">The size of the modified region</param>
-        public void SignalModified(ulong address, ulong size)
+        /// <param name="stage">Buffer stage that triggered the modification</param>
+        public void SignalModified(ulong address, ulong size, BufferStage stage)
         {
             EnsureRangeList();
 
+            TryQueueBackingChange(stage);
+
             _modifiedRanges.SignalModified(address, size);
 
             if (!_syncActionRegistered)
@@ -311,6 +372,37 @@ namespace Ryujinx.Graphics.Gpu.Memory
             _modifiedRanges?.Clear(address, size);
         }
 
+        /// <summary>
+        /// Action to be performed immediately before sync is created.
+        /// This will copy any buffer ranges designated for pre-flushing.
+        /// </summary>
+        /// <param name="syncpoint">True if the action is a guest syncpoint</param>
+        public void SyncPreAction(bool syncpoint)
+        {
+            if (_referenceCount == 0)
+            {
+                return;
+            }
+
+            if (BackingState.ShouldChangeBacking())
+            {
+                ChangeBacking();
+            }
+
+            if (BackingState.IsDeviceLocal)
+            {
+                _preFlush ??= new BufferPreFlush(_context, this, FlushImpl);
+
+                if (_preFlush.ShouldCopy)
+                {
+                    _modifiedRanges?.GetRangesAtSync(Address, Size, _context.SyncNumber, (address, size) =>
+                    {
+                        _preFlush.CopyModified(address, size);
+                    });
+                }
+            }
+        }
+
         /// <summary>
         /// Action to be performed when a syncpoint is reached after modification.
         /// This will register read/write tracking to flush the buffer from GPU when its memory is used.
@@ -466,6 +558,8 @@ namespace Ryujinx.Graphics.Gpu.Memory
         /// <param name="mSize">Size of the modified region</param>
         private void LoadRegion(ulong mAddress, ulong mSize)
         {
+            BackingState.RecordSet();
+
             int offset = (int)(mAddress - Address);
 
             _context.Renderer.SetBufferData(Handle, offset, _physicalMemory.GetSpan(mAddress, (int)mSize));
@@ -539,18 +633,84 @@ namespace Ryujinx.Graphics.Gpu.Memory
         /// Flushes a range of the buffer.
         /// This writes the range data back into guest memory.
         /// </summary>
+        /// <param name="handle">Buffer handle to flush data from</param>
         /// <param name="address">Start address of the range</param>
         /// <param name="size">Size in bytes of the range</param>
-        public void Flush(ulong address, ulong size)
+        private void FlushImpl(BufferHandle handle, ulong address, ulong size)
         {
             int offset = (int)(address - Address);
 
-            using PinnedSpan<byte> data = _context.Renderer.GetBufferData(Handle, offset, (int)size);
+            using PinnedSpan<byte> data = _context.Renderer.GetBufferData(handle, offset, (int)size);
 
             // TODO: When write tracking shaders, they will need to be aware of changes in overlapping buffers.
             _physicalMemory.WriteUntracked(address, CopyFromDependantVirtualBuffers(data.Get(), address, size));
         }
 
+        /// <summary>
+        /// Flushes a range of the buffer.
+        /// This writes the range data back into guest memory.
+        /// </summary>
+        /// <param name="address">Start address of the range</param>
+        /// <param name="size">Size in bytes of the range</param>
+        private void FlushImpl(ulong address, ulong size)
+        {
+            FlushImpl(Handle, address, size);
+        }
+
+        /// <summary>
+        /// Flushes a range of the buffer from the most optimal source.
+        /// This writes the range data back into guest memory.
+        /// </summary>
+        /// <param name="address">Start address of the range</param>
+        /// <param name="size">Size in bytes of the range</param>
+        /// <param name="syncNumber">Sync number waited for before flushing the data</param>
+        public void Flush(ulong address, ulong size, ulong syncNumber)
+        {
+            BackingState.RecordFlush();
+
+            BufferPreFlush preFlush = _preFlush;
+
+            if (preFlush != null)
+            {
+                preFlush.FlushWithAction(address, size, syncNumber);
+            }
+            else
+            {
+                FlushImpl(address, size);
+            }
+        }
+        /// <summary>
+        /// Gets an action that disposes the backing buffer using its current handle.
+        /// Useful for deleting an old copy of the buffer after the handle changes.
+        /// </summary>
+        /// <returns>An action that flushes data from the specified range, using the buffer handle at the time the method is generated</returns>
+        public Action GetSnapshotDisposeAction()
+        {
+            BufferHandle handle = Handle;
+            BufferPreFlush preFlush = _preFlush;
+
+            return () =>
+            {
+                _context.Renderer.DeleteBuffer(handle);
+                preFlush?.Dispose();
+            };
+        }
+
+        /// <summary>
+        /// Gets an action that flushes a range of the buffer using its current handle.
+        /// Useful for flushing data from old copies of the buffer after the handle changes.
+        /// </summary>
+        /// <returns>An action that flushes data from the specified range, using the buffer handle at the time the method is generated</returns>
+        public BufferFlushAction GetSnapshotFlushAction()
+        {
+            BufferHandle handle = Handle;
+
+            return (ulong address, ulong size, ulong _) =>
+            {
+                FlushImpl(handle, address, size);
+            };
+        }
+
         /// <summary>
         /// Align a given address and size region to page boundaries.
         /// </summary>
@@ -857,6 +1017,8 @@ namespace Ryujinx.Graphics.Gpu.Memory
             _modifiedRanges?.Clear();
 
             _context.Renderer.DeleteBuffer(Handle);
+            _preFlush?.Dispose();
+            _preFlush = null;
 
             UnmappedSequence++;
         }

src/Ryujinx.Graphics.Gpu/Memory/BufferBackingState.cs

@@ -0,0 +1,294 @@
+using Ryujinx.Graphics.GAL;
+using System;
+using System.Collections.Generic;
+
+namespace Ryujinx.Graphics.Gpu.Memory
+{
+    /// <summary>
+    /// Type of backing memory.
+    /// In ascending order of priority when merging multiple buffer backing states.
+    /// </summary>
+    internal enum BufferBackingType
+    {
+        HostMemory,
+        DeviceMemory,
+        DeviceMemoryWithFlush
+    }
+
+    /// <summary>
+    /// Keeps track of buffer usage to decide what memory heap that buffer memory is placed on.
+    /// Dedicated GPUs prefer certain types of resources to be device local,
+    /// and if we need data to be read back, we might prefer that they're in host memory.
+    /// 
+    /// The measurements recorded here compare to a set of heruristics (thresholds and conditions)
+    /// that appear to produce good performance in most software.
+    /// </summary>
+    internal struct BufferBackingState
+    {
+        private const int DeviceLocalSizeThreshold = 256 * 1024; // 256kb
+
+        private const int SetCountThreshold = 100;
+        private const int WriteCountThreshold = 50;
+        private const int FlushCountThreshold = 5;
+        private const int DeviceLocalForceExpiry = 100;
+
+        public readonly bool IsDeviceLocal => _activeType != BufferBackingType.HostMemory;
+
+        private readonly SystemMemoryType _systemMemoryType;
+        private BufferBackingType _activeType;
+        private BufferBackingType _desiredType;
+
+        private bool _canSwap;
+
+        private int _setCount;
+        private int _writeCount;
+        private int _flushCount;
+        private int _flushTemp;
+        private int _lastFlushWrite;
+        private int _deviceLocalForceCount;
+
+        private readonly int _size;
+
+        /// <summary>
+        /// Initialize the buffer backing state for a given parent buffer.
+        /// </summary>
+        /// <param name="context">GPU context</param>
+        /// <param name="parent">Parent buffer</param>
+        /// <param name="stage">Initial buffer stage</param>
+        /// <param name="baseBuffers">Buffers to inherit state from</param>
+        public BufferBackingState(GpuContext context, Buffer parent, BufferStage stage, IEnumerable<Buffer> baseBuffers = null)
+        {
+            _size = (int)parent.Size;
+            _systemMemoryType = context.Capabilities.MemoryType;
+
+            // Backend managed is always auto, unified memory is always host.
+            _desiredType = BufferBackingType.HostMemory;
+            _canSwap = _systemMemoryType != SystemMemoryType.BackendManaged && _systemMemoryType != SystemMemoryType.UnifiedMemory;
+
+            if (_canSwap)
+            {
+                // Might want to start certain buffers as being device local,
+                // and the usage might also lock those buffers into being device local.
+
+                BufferStage storageFlags = stage & BufferStage.StorageMask;
+
+                if (parent.Size > DeviceLocalSizeThreshold && baseBuffers == null)
+                {
+                    _desiredType = BufferBackingType.DeviceMemory;
+                }
+
+                if (storageFlags != 0)
+                {
+                    // Storage buffer bindings may require special treatment.
+
+                    var rawStage = stage & BufferStage.StageMask;
+
+                    if (rawStage == BufferStage.Fragment)
+                    {
+                        // Fragment read should start device local.
+
+                        _desiredType = BufferBackingType.DeviceMemory;
+
+                        if (storageFlags != BufferStage.StorageRead)
+                        {
+                            // Fragment write should stay device local until the use doesn't happen anymore.
+
+                            _deviceLocalForceCount = DeviceLocalForceExpiry;
+                        }
+                    }
+
+                    // TODO: Might be nice to force atomic access to be device local for any stage.
+                }
+
+                if (baseBuffers != null)
+                {
+                    foreach (Buffer buffer in baseBuffers)
+                    {
+                        CombineState(buffer.BackingState);
+                    }
+                }
+            }
+        }
+
+        /// <summary>
+        /// Combine buffer backing types, selecting the one with highest priority.
+        /// </summary>
+        /// <param name="left">First buffer backing type</param>
+        /// <param name="right">Second buffer backing type</param>
+        /// <returns>Combined buffer backing type</returns>
+        private static BufferBackingType CombineTypes(BufferBackingType left, BufferBackingType right)
+        {
+            return (BufferBackingType)Math.Max((int)left, (int)right);
+        }
+
+        /// <summary>
+        /// Combine the state from the given buffer backing state with this one,
+        /// so that the state isn't lost when migrating buffers.
+        /// </summary>
+        /// <param name="oldState">Buffer state to combine into this state</param>
+        private void CombineState(BufferBackingState oldState)
+        {
+            _setCount += oldState._setCount;
+            _writeCount += oldState._writeCount;
+            _flushCount += oldState._flushCount;
+            _flushTemp += oldState._flushTemp;
+            _lastFlushWrite = -1;
+            _deviceLocalForceCount = Math.Max(_deviceLocalForceCount, oldState._deviceLocalForceCount);
+
+            _canSwap &= oldState._canSwap;
+
+            _desiredType = CombineTypes(_desiredType, oldState._desiredType);
+        }
+
+        /// <summary>
+        /// Get the buffer access for the desired backing type, and record that type as now being active.
+        /// </summary>
+        /// <param name="parent">Parent buffer</param>
+        /// <returns>Buffer access</returns>
+        public BufferAccess SwitchAccess(Buffer parent)
+        {
+            BufferAccess access = parent.SparseCompatible ? BufferAccess.SparseCompatible : BufferAccess.Default;
+
+            bool isBackendManaged = _systemMemoryType == SystemMemoryType.BackendManaged;
+
+            if (!isBackendManaged)
+            {
+                switch (_desiredType)
+                {
+                    case BufferBackingType.HostMemory:
+                        access |= BufferAccess.HostMemory;
+                        break;
+                    case BufferBackingType.DeviceMemory:
+                        access |= BufferAccess.DeviceMemory;
+                        break;
+                    case BufferBackingType.DeviceMemoryWithFlush:
+                        access |= BufferAccess.DeviceMemoryMapped;
+                        break;
+                }
+            }
+
+            _activeType = _desiredType;
+
+            return access;
+        }
+
+        /// <summary>
+        /// Record when data has been uploaded to the buffer.
+        /// </summary>
+        public void RecordSet()
+        {
+            _setCount++;
+
+            ConsiderUseCounts();
+        }
+
+        /// <summary>
+        /// Record when data has been flushed from the buffer.
+        /// </summary>
+        public void RecordFlush()
+        {
+            if (_lastFlushWrite != _writeCount)
+            {
+                // If it's on the same page as the last flush, ignore it.
+                _lastFlushWrite = _writeCount;
+                _flushCount++;
+            }
+        }
+
+        /// <summary>
+        /// Determine if the buffer backing should be changed.
+        /// </summary>
+        /// <returns>True if the desired backing type is different from the current type</returns>
+        public readonly bool ShouldChangeBacking()
+        {
+            return _desiredType != _activeType;
+        }
+
+        /// <summary>
+        /// Determine if the buffer backing should be changed, considering a new use with the given buffer stage.
+        /// </summary>
+        /// <param name="stage">Buffer stage for the use</param>
+        /// <returns>True if the desired backing type is different from the current type</returns>
+        public bool ShouldChangeBacking(BufferStage stage)
+        {
+            if (!_canSwap)
+            {
+                return false;
+            }
+
+            BufferStage storageFlags = stage & BufferStage.StorageMask;
+
+            if (storageFlags != 0)
+            {
+                if (storageFlags != BufferStage.StorageRead)
+                {
+                    // Storage write.
+                    _writeCount++;
+
+                    var rawStage = stage & BufferStage.StageMask;
+
+                    if (rawStage == BufferStage.Fragment)
+                    {
+                        // Switch to device memory, swap back only if this use disappears.
+
+                        _desiredType = CombineTypes(_desiredType, BufferBackingType.DeviceMemory);
+                        _deviceLocalForceCount = DeviceLocalForceExpiry;
+
+                        // TODO: Might be nice to force atomic access to be device local for any stage.
+                    }
+                }
+
+                ConsiderUseCounts();
+            }
+
+            return _desiredType != _activeType;
+        }
+
+        /// <summary>
+        /// Evaluate the current counts to determine what the buffer's desired backing type is.
+        /// This method depends on heuristics devised by testing a variety of software.
+        /// </summary>
+        private void ConsiderUseCounts()
+        {
+            if (_canSwap)
+            {
+                if (_writeCount >= WriteCountThreshold || _setCount >= SetCountThreshold || _flushCount >= FlushCountThreshold)
+                {
+                    if (_deviceLocalForceCount > 0 && --_deviceLocalForceCount != 0)
+                    {
+                        // Some buffer usage demanded that the buffer stay device local.
+                        // The desired type was selected when this counter was set.
+                    }
+                    else if (_flushCount > 0 || _flushTemp-- > 0)
+                    {
+                        // Buffers that flush should ideally be mapped in host address space for easy copies.
+                        // If the buffer is large it will do better on GPU memory, as there will be more writes than data flushes (typically individual pages).
+                        // If it is small, then it's likely most of the buffer will be flushed so we want it on host memory, as access is cached.
+                        _desiredType = _size > DeviceLocalSizeThreshold ? BufferBackingType.DeviceMemoryWithFlush : BufferBackingType.HostMemory;
+                    }
+                    else if (_writeCount >= WriteCountThreshold)
+                    {
+                        // Buffers that are written often should ideally be in the device local heap. (Storage buffers)
+                        _desiredType = BufferBackingType.DeviceMemory;
+                    }
+                    else if (_setCount > SetCountThreshold)
+                    {
+                        // Buffers that have their data set often should ideally be host mapped. (Constant buffers)
+                        _desiredType = BufferBackingType.HostMemory;
+                    }
+
+                    // It's harder for a buffer that is flushed to revert to another type of mapping.
+                    if (_flushCount > 0)
+                    {
+                        _flushTemp = 1000;
+                    }
+
+                    _lastFlushWrite = -1;
+                    _flushCount = 0;
+                    _writeCount = 0;
+                    _setCount = 0;
+                }
+            }
+        }
+    }
+}

src/Ryujinx.Graphics.Gpu/Memory/BufferCache.cs

@@ -107,8 +107,9 @@ namespace Ryujinx.Graphics.Gpu.Memory
         /// <param name="memoryManager">GPU memory manager where the buffer is mapped</param>
         /// <param name="gpuVa">Start GPU virtual address of the buffer</param>
         /// <param name="size">Size in bytes of the buffer</param>
+        /// <param name="stage">The type of usage that created the buffer</param>
         /// <returns>Contiguous physical range of the buffer, after address translation</returns>
-        public MultiRange TranslateAndCreateBuffer(MemoryManager memoryManager, ulong gpuVa, ulong size)
+        public MultiRange TranslateAndCreateBuffer(MemoryManager memoryManager, ulong gpuVa, ulong size, BufferStage stage)
         {
             if (gpuVa == 0)
             {
@@ -119,7 +120,7 @@ namespace Ryujinx.Graphics.Gpu.Memory
 
             if (address != MemoryManager.PteUnmapped)
             {
-                CreateBuffer(address, size);
+                CreateBuffer(address, size, stage);
             }
 
             return new MultiRange(address, size);
@@ -132,8 +133,9 @@ namespace Ryujinx.Graphics.Gpu.Memory
         /// <param name="memoryManager">GPU memory manager where the buffer is mapped</param>
         /// <param name="gpuVa">Start GPU virtual address of the buffer</param>
         /// <param name="size">Size in bytes of the buffer</param>
+        /// <param name="stage">The type of usage that created the buffer</param>
         /// <returns>Physical ranges of the buffer, after address translation</returns>
-        public MultiRange TranslateAndCreateMultiBuffers(MemoryManager memoryManager, ulong gpuVa, ulong size)
+        public MultiRange TranslateAndCreateMultiBuffers(MemoryManager memoryManager, ulong gpuVa, ulong size, BufferStage stage)
         {
             if (gpuVa == 0)
             {
@@ -149,7 +151,7 @@ namespace Ryujinx.Graphics.Gpu.Memory
                 return range;
             }
 
-            CreateBuffer(range);
+            CreateBuffer(range, stage);
 
             return range;
         }
@@ -161,8 +163,9 @@ namespace Ryujinx.Graphics.Gpu.Memory
         /// <param name="memoryManager">GPU memory manager where the buffer is mapped</param>
         /// <param name="gpuVa">Start GPU virtual address of the buffer</param>
         /// <param name="size">Size in bytes of the buffer</param>
+        /// <param name="stage">The type of usage that created the buffer</param>
         /// <returns>Physical ranges of the buffer, after address translation</returns>
-        public MultiRange TranslateAndCreateMultiBuffersPhysicalOnly(MemoryManager memoryManager, ulong gpuVa, ulong size)
+        public MultiRange TranslateAndCreateMultiBuffersPhysicalOnly(MemoryManager memoryManager, ulong gpuVa, ulong size, BufferStage stage)
         {
             if (gpuVa == 0)
             {
@@ -186,11 +189,11 @@ namespace Ryujinx.Graphics.Gpu.Memory
                 {
                     if (range.Count > 1)
                     {
-                        CreateBuffer(subRange.Address, subRange.Size, SparseBufferAlignmentSize);
+                        CreateBuffer(subRange.Address, subRange.Size, stage, SparseBufferAlignmentSize);
                     }
                     else
                     {
-                        CreateBuffer(subRange.Address, subRange.Size);
+                        CreateBuffer(subRange.Address, subRange.Size, stage);
                     }
                 }
             }
@@ -203,11 +206,12 @@ namespace Ryujinx.Graphics.Gpu.Memory
         /// This can be used to ensure the existance of a buffer.
         /// </summary>
         /// <param name="range">Physical ranges of memory where the buffer data is located</param>
-        public void CreateBuffer(MultiRange range)
+        /// <param name="stage">The type of usage that created the buffer</param>
+        public void CreateBuffer(MultiRange range, BufferStage stage)
         {
             if (range.Count > 1)
             {
-                CreateMultiRangeBuffer(range);
+                CreateMultiRangeBuffer(range, stage);
             }
             else
             {
@@ -215,7 +219,7 @@ namespace Ryujinx.Graphics.Gpu.Memory
 
                 if (subRange.Address != MemoryManager.PteUnmapped)
                 {
-                    CreateBuffer(subRange.Address, subRange.Size);
+                    CreateBuffer(subRange.Address, subRange.Size, stage);
                 }
             }
         }
@@ -226,7 +230,8 @@ namespace Ryujinx.Graphics.Gpu.Memory
         /// </summary>
         /// <param name="address">Address of the buffer in memory</param>
         /// <param name="size">Size of the buffer in bytes</param>
-        public void CreateBuffer(ulong address, ulong size)
+        /// <param name="stage">The type of usage that created the buffer</param>
+        public void CreateBuffer(ulong address, ulong size, BufferStage stage)
         {
             ulong endAddress = address + size;
 
@@ -239,7 +244,7 @@ namespace Ryujinx.Graphics.Gpu.Memory
                 alignedEndAddress += BufferAlignmentSize;
             }
 
-            CreateBufferAligned(alignedAddress, alignedEndAddress - alignedAddress);
+            CreateBufferAligned(alignedAddress, alignedEndAddress - alignedAddress, stage);
         }
 
         /// <summary>
@@ -248,8 +253,9 @@ namespace Ryujinx.Graphics.Gpu.Memory
         /// </summary>
         /// <param name="address">Address of the buffer in memory</param>
         /// <param name="size">Size of the buffer in bytes</param>
+        /// <param name="stage">The type of usage that created the buffer</param>
         /// <param name="alignment">Alignment of the start address of the buffer in bytes</param>
-        public void CreateBuffer(ulong address, ulong size, ulong alignment)
+        public void CreateBuffer(ulong address, ulong size, BufferStage stage, ulong alignment)
         {
             ulong alignmentMask = alignment - 1;
             ulong pageAlignmentMask = BufferAlignmentMask;
@@ -264,7 +270,7 @@ namespace Ryujinx.Graphics.Gpu.Memory
                 alignedEndAddress += pageAlignmentMask;
             }
 
-            CreateBufferAligned(alignedAddress, alignedEndAddress - alignedAddress, alignment);
+            CreateBufferAligned(alignedAddress, alignedEndAddress - alignedAddress, stage, alignment);
         }
 
         /// <summary>
@@ -272,7 +278,8 @@ namespace Ryujinx.Graphics.Gpu.Memory
         /// if it does not exist yet.
         /// </summary>
         /// <param name="range">Physical ranges of memory</param>
-        private void CreateMultiRangeBuffer(MultiRange range)
+        /// <param name="stage">The type of usage that created the buffer</param>
+        private void CreateMultiRangeBuffer(MultiRange range, BufferStage stage)
         {
             // Ensure all non-contiguous buffer we might use are sparse aligned.
             for (int i = 0; i < range.Count; i++)
@@ -281,7 +288,7 @@ namespace Ryujinx.Graphics.Gpu.Memory
 
                 if (subRange.Address != MemoryManager.PteUnmapped)
                 {
-                    CreateBuffer(subRange.Address, subRange.Size, SparseBufferAlignmentSize);
+                    CreateBuffer(subRange.Address, subRange.Size, stage, SparseBufferAlignmentSize);
                 }
             }
 
@@ -431,9 +438,9 @@ namespace Ryujinx.Graphics.Gpu.Memory
                 result.EndGpuAddress < gpuVa + size ||
                 result.UnmappedSequence != result.Buffer.UnmappedSequence)
             {
-                MultiRange range = TranslateAndCreateBuffer(memoryManager, gpuVa, size);
+                MultiRange range = TranslateAndCreateBuffer(memoryManager, gpuVa, size, BufferStage.Internal);
                 ulong address = range.GetSubRange(0).Address;
-                result = new BufferCacheEntry(address, gpuVa, GetBuffer(address, size));
+                result = new BufferCacheEntry(address, gpuVa, GetBuffer(address, size, BufferStage.Internal));
 
                 _dirtyCache[gpuVa] = result;
             }
@@ -466,9 +473,9 @@ namespace Ryujinx.Graphics.Gpu.Memory
                 result.EndGpuAddress < alignedEndGpuVa ||
                 result.UnmappedSequence != result.Buffer.UnmappedSequence)
             {
-                MultiRange range = TranslateAndCreateBuffer(memoryManager, alignedGpuVa, size);
+                MultiRange range = TranslateAndCreateBuffer(memoryManager, alignedGpuVa, size, BufferStage.None);
                 ulong address = range.GetSubRange(0).Address;
-                result = new BufferCacheEntry(address, alignedGpuVa, GetBuffer(address, size));
+                result = new BufferCacheEntry(address, alignedGpuVa, GetBuffer(address, size, BufferStage.None));
 
                 _modifiedCache[alignedGpuVa] = result;
             }
@@ -485,7 +492,8 @@ namespace Ryujinx.Graphics.Gpu.Memory
         /// </summary>
         /// <param name="address">Address of the buffer in guest memory</param>
         /// <param name="size">Size in bytes of the buffer</param>
-        private void CreateBufferAligned(ulong address, ulong size)
+        /// <param name="stage">The type of usage that created the buffer</param>
+        private void CreateBufferAligned(ulong address, ulong size, BufferStage stage)
         {
             Buffer[] overlaps = _bufferOverlaps;
             int overlapsCount = _buffers.FindOverlapsNonOverlapping(address, size, ref overlaps);
@@ -546,13 +554,13 @@ namespace Ryujinx.Graphics.Gpu.Memory
 
                     ulong newSize = endAddress - address;
 
-                    CreateBufferAligned(address, newSize, anySparseCompatible, overlaps, overlapsCount);
+                    CreateBufferAligned(address, newSize, stage, anySparseCompatible, overlaps, overlapsCount);
                 }
             }
             else
             {
                 // No overlap, just create a new buffer.
-                Buffer buffer = new(_context, _physicalMemory, address, size, sparseCompatible: false);
+                Buffer buffer = new(_context, _physicalMemory, address, size, stage, sparseCompatible: false);
 
                 lock (_buffers)
                 {
@@ -570,8 +578,9 @@ namespace Ryujinx.Graphics.Gpu.Memory
         /// </summary>
         /// <param name="address">Address of the buffer in guest memory</param>
         /// <param name="size">Size in bytes of the buffer</param>
+        /// <param name="stage">The type of usage that created the buffer</param>
         /// <param name="alignment">Alignment of the start address of the buffer</param>
-        private void CreateBufferAligned(ulong address, ulong size, ulong alignment)
+        private void CreateBufferAligned(ulong address, ulong size, BufferStage stage, ulong alignment)
         {
             Buffer[] overlaps = _bufferOverlaps;
             int overlapsCount = _buffers.FindOverlapsNonOverlapping(address, size, ref overlaps);
@@ -624,13 +633,13 @@ namespace Ryujinx.Graphics.Gpu.Memory
 
                     ulong newSize = endAddress - address;
 
-                    CreateBufferAligned(address, newSize, sparseAligned, overlaps, overlapsCount);
+                    CreateBufferAligned(address, newSize, stage, sparseAligned, overlaps, overlapsCount);
                 }
             }
             else
             {
                 // No overlap, just create a new buffer.
-                Buffer buffer = new(_context, _physicalMemory, address, size, sparseAligned);
+                Buffer buffer = new(_context, _physicalMemory, address, size, stage, sparseAligned);
 
                 lock (_buffers)
                 {
@@ -648,12 +657,13 @@ namespace Ryujinx.Graphics.Gpu.Memory
         /// </summary>
         /// <param name="address">Address of the buffer in guest memory</param>
         /// <param name="size">Size in bytes of the buffer</param>
+        /// <param name="stage">The type of usage that created the buffer</param>
         /// <param name="sparseCompatible">Indicates if the buffer can be used in a sparse buffer mapping</param>
         /// <param name="overlaps">Buffers overlapping the range</param>
         /// <param name="overlapsCount">Total of overlaps</param>
-        private void CreateBufferAligned(ulong address, ulong size, bool sparseCompatible, Buffer[] overlaps, int overlapsCount)
+        private void CreateBufferAligned(ulong address, ulong size, BufferStage stage, bool sparseCompatible, Buffer[] overlaps, int overlapsCount)
         {
-            Buffer newBuffer = new Buffer(_context, _physicalMemory, address, size, sparseCompatible, overlaps.Take(overlapsCount));
+            Buffer newBuffer = new Buffer(_context, _physicalMemory, address, size, stage, sparseCompatible, overlaps.Take(overlapsCount));
 
             lock (_buffers)
             {
@@ -704,7 +714,7 @@ namespace Ryujinx.Graphics.Gpu.Memory
 
             for (int index = 0; index < overlapCount; index++)
             {
-                CreateMultiRangeBuffer(overlaps[index].Range);
+                CreateMultiRangeBuffer(overlaps[index].Range, BufferStage.None);
             }
         }
 
@@ -731,8 +741,8 @@ namespace Ryujinx.Graphics.Gpu.Memory
         /// <param name="size">Size in bytes of the copy</param>
         public void CopyBuffer(MemoryManager memoryManager, ulong srcVa, ulong dstVa, ulong size)
         {
-            MultiRange srcRange = TranslateAndCreateMultiBuffersPhysicalOnly(memoryManager, srcVa, size);
-            MultiRange dstRange = TranslateAndCreateMultiBuffersPhysicalOnly(memoryManager, dstVa, size);
+            MultiRange srcRange = TranslateAndCreateMultiBuffersPhysicalOnly(memoryManager, srcVa, size, BufferStage.Copy);
+            MultiRange dstRange = TranslateAndCreateMultiBuffersPhysicalOnly(memoryManager, dstVa, size, BufferStage.Copy);
 
             if (srcRange.Count == 1 && dstRange.Count == 1)
             {
@@ -788,8 +798,8 @@ namespace Ryujinx.Graphics.Gpu.Memory
         /// <param name="size">Size in bytes of the copy</param>
         private void CopyBufferSingleRange(MemoryManager memoryManager, ulong srcAddress, ulong dstAddress, ulong size)
         {
-            Buffer srcBuffer = GetBuffer(srcAddress, size);
-            Buffer dstBuffer = GetBuffer(dstAddress, size);
+            Buffer srcBuffer = GetBuffer(srcAddress, size, BufferStage.Copy);
+            Buffer dstBuffer = GetBuffer(dstAddress, size, BufferStage.Copy);
 
             int srcOffset = (int)(srcAddress - srcBuffer.Address);
             int dstOffset = (int)(dstAddress - dstBuffer.Address);
@@ -803,7 +813,7 @@ namespace Ryujinx.Graphics.Gpu.Memory
 
             if (srcBuffer.IsModified(srcAddress, size))
             {
-                dstBuffer.SignalModified(dstAddress, size);
+                dstBuffer.SignalModified(dstAddress, size, BufferStage.Copy);
             }
             else
             {
@@ -828,12 +838,12 @@ namespace Ryujinx.Graphics.Gpu.Memory
         /// <param name="value">Value to be written into the buffer</param>
         public void ClearBuffer(MemoryManager memoryManager, ulong gpuVa, ulong size, uint value)
         {
-            MultiRange range = TranslateAndCreateMultiBuffersPhysicalOnly(memoryManager, gpuVa, size);
+            MultiRange range = TranslateAndCreateMultiBuffersPhysicalOnly(memoryManager, gpuVa, size, BufferStage.Copy);
 
             for (int index = 0; index < range.Count; index++)
             {
                 MemoryRange subRange = range.GetSubRange(index);
-                Buffer buffer = GetBuffer(subRange.Address, subRange.Size);
+                Buffer buffer = GetBuffer(subRange.Address, subRange.Size, BufferStage.Copy);
 
                 int offset = (int)(subRange.Address - buffer.Address);
 
@@ -849,18 +859,19 @@ namespace Ryujinx.Graphics.Gpu.Memory
         /// Gets a buffer sub-range starting at a given memory address, aligned to the next page boundary.
         /// </summary>
         /// <param name="range">Physical regions of memory where the buffer is mapped</param>
+        /// <param name="stage">Buffer stage that triggered the access</param>
         /// <param name="write">Whether the buffer will be written to by this use</param>
         /// <returns>The buffer sub-range starting at the given memory address</returns>
-        public BufferRange GetBufferRangeAligned(MultiRange range, bool write = false)
+        public BufferRange GetBufferRangeAligned(MultiRange range, BufferStage stage, bool write = false)
         {
             if (range.Count > 1)
             {
-                return GetBuffer(range, write).GetRange(range);
+                return GetBuffer(range, stage, write).GetRange(range);
             }
             else
             {
                 MemoryRange subRange = range.GetSubRange(0);
-                return GetBuffer(subRange.Address, subRange.Size, write).GetRangeAligned(subRange.Address, subRange.Size, write);
+                return GetBuffer(subRange.Address, subRange.Size, stage, write).GetRangeAligned(subRange.Address, subRange.Size, write);
             }
         }
 
@@ -868,18 +879,19 @@ namespace Ryujinx.Graphics.Gpu.Memory
         /// Gets a buffer sub-range for a given memory range.
         /// </summary>
         /// <param name="range">Physical regions of memory where the buffer is mapped</param>
+        /// <param name="stage">Buffer stage that triggered the access</param>
         /// <param name="write">Whether the buffer will be written to by this use</param>
         /// <returns>The buffer sub-range for the given range</returns>
-        public BufferRange GetBufferRange(MultiRange range, bool write = false)
+        public BufferRange GetBufferRange(MultiRange range, BufferStage stage, bool write = false)
         {
             if (range.Count > 1)
             {
-                return GetBuffer(range, write).GetRange(range);
+                return GetBuffer(range, stage, write).GetRange(range);
             }
             else
             {
                 MemoryRange subRange = range.GetSubRange(0);
-                return GetBuffer(subRange.Address, subRange.Size, write).GetRange(subRange.Address, subRange.Size, write);
+                return GetBuffer(subRange.Address, subRange.Size, stage, write).GetRange(subRange.Address, subRange.Size, write);
             }
         }
 
@@ -888,9 +900,10 @@ namespace Ryujinx.Graphics.Gpu.Memory
         /// A buffer overlapping with the specified range is assumed to already exist on the cache.
         /// </summary>
         /// <param name="range">Physical regions of memory where the buffer is mapped</param>
+        /// <param name="stage">Buffer stage that triggered the access</param>
         /// <param name="write">Whether the buffer will be written to by this use</param>
         /// <returns>The buffer where the range is fully contained</returns>
-        private MultiRangeBuffer GetBuffer(MultiRange range, bool write = false)
+        private MultiRangeBuffer GetBuffer(MultiRange range, BufferStage stage, bool write = false)
         {
             for (int i = 0; i < range.Count; i++)
             {
@@ -902,7 +915,7 @@ namespace Ryujinx.Graphics.Gpu.Memory
 
                 if (write)
                 {
-                    subBuffer.SignalModified(subRange.Address, subRange.Size);
+                    subBuffer.SignalModified(subRange.Address, subRange.Size, stage);
                 }
             }
 
@@ -935,9 +948,10 @@ namespace Ryujinx.Graphics.Gpu.Memory
         /// </summary>
         /// <param name="address">Start address of the memory range</param>
         /// <param name="size">Size in bytes of the memory range</param>
+        /// <param name="stage">Buffer stage that triggered the access</param>
         /// <param name="write">Whether the buffer will be written to by this use</param>
         /// <returns>The buffer where the range is fully contained</returns>
-        private Buffer GetBuffer(ulong address, ulong size, bool write = false)
+        private Buffer GetBuffer(ulong address, ulong size, BufferStage stage, bool write = false)
         {
             Buffer buffer;
 
@@ -950,7 +964,7 @@ namespace Ryujinx.Graphics.Gpu.Memory
 
                 if (write)
                 {
-                    buffer.SignalModified(address, size);
+                    buffer.SignalModified(address, size, stage);
                 }
             }
             else
@@ -1004,6 +1018,18 @@ namespace Ryujinx.Graphics.Gpu.Memory
             }
         }
 
+        /// <summary>
+        /// Signal that the given buffer's handle has changed,
+        /// forcing rebind and any overlapping multi-range buffers to be recreated.
+        /// </summary>
+        /// <param name="buffer">The buffer that has changed handle</param>
+        public void BufferBackingChanged(Buffer buffer)
+        {
+            NotifyBuffersModified?.Invoke();
+
+            RecreateMultiRangeBuffers(buffer.Address, buffer.Size);
+        }
+
         /// <summary>
         /// Prune any invalid entries from a quick access dictionary.
         /// </summary>

src/Ryujinx.Graphics.Gpu/Memory/BufferManager.cs

@@ -156,7 +156,7 @@ namespace Ryujinx.Graphics.Gpu.Memory
         /// <param name="type">Type of each index buffer element</param>
         public void SetIndexBuffer(ulong gpuVa, ulong size, IndexType type)
         {
-            MultiRange range = _channel.MemoryManager.Physical.BufferCache.TranslateAndCreateBuffer(_channel.MemoryManager, gpuVa, size);
+            MultiRange range = _channel.MemoryManager.Physical.BufferCache.TranslateAndCreateBuffer(_channel.MemoryManager, gpuVa, size, BufferStage.IndexBuffer);
 
             _indexBuffer.Range = range;
             _indexBuffer.Type = type;
@@ -186,7 +186,7 @@ namespace Ryujinx.Graphics.Gpu.Memory
         /// <param name="divisor">Vertex divisor of the buffer, for instanced draws</param>
         public void SetVertexBuffer(int index, ulong gpuVa, ulong size, int stride, int divisor)
         {
-            MultiRange range = _channel.MemoryManager.Physical.BufferCache.TranslateAndCreateBuffer(_channel.MemoryManager, gpuVa, size);
+            MultiRange range = _channel.MemoryManager.Physical.BufferCache.TranslateAndCreateBuffer(_channel.MemoryManager, gpuVa, size, BufferStage.VertexBuffer);
 
             _vertexBuffers[index].Range = range;
             _vertexBuffers[index].Stride = stride;
@@ -213,7 +213,7 @@ namespace Ryujinx.Graphics.Gpu.Memory
         /// <param name="size">Size in bytes of the transform feedback buffer</param>
         public void SetTransformFeedbackBuffer(int index, ulong gpuVa, ulong size)
         {
-            MultiRange range = _channel.MemoryManager.Physical.BufferCache.TranslateAndCreateMultiBuffers(_channel.MemoryManager, gpuVa, size);
+            MultiRange range = _channel.MemoryManager.Physical.BufferCache.TranslateAndCreateMultiBuffers(_channel.MemoryManager, gpuVa, size, BufferStage.TransformFeedback);
 
             _transformFeedbackBuffers[index] = new BufferBounds(range);
             _transformFeedbackBuffersDirty = true;
@@ -260,7 +260,7 @@ namespace Ryujinx.Graphics.Gpu.Memory
 
             gpuVa = BitUtils.AlignDown<ulong>(gpuVa, (ulong)_context.Capabilities.StorageBufferOffsetAlignment);
 
-            MultiRange range = _channel.MemoryManager.Physical.BufferCache.TranslateAndCreateMultiBuffers(_channel.MemoryManager, gpuVa, size);
+            MultiRange range = _channel.MemoryManager.Physical.BufferCache.TranslateAndCreateMultiBuffers(_channel.MemoryManager, gpuVa, size, BufferStageUtils.ComputeStorage(flags));
 
             _cpStorageBuffers.SetBounds(index, range, flags);
         }
@@ -284,7 +284,7 @@ namespace Ryujinx.Graphics.Gpu.Memory
 
             gpuVa = BitUtils.AlignDown<ulong>(gpuVa, (ulong)_context.Capabilities.StorageBufferOffsetAlignment);
 
-            MultiRange range = _channel.MemoryManager.Physical.BufferCache.TranslateAndCreateMultiBuffers(_channel.MemoryManager, gpuVa, size);
+            MultiRange range = _channel.MemoryManager.Physical.BufferCache.TranslateAndCreateMultiBuffers(_channel.MemoryManager, gpuVa, size, BufferStageUtils.GraphicsStorage(stage, flags));
 
             if (!buffers.Buffers[index].Range.Equals(range))
             {
@@ -303,7 +303,7 @@ namespace Ryujinx.Graphics.Gpu.Memory
         /// <param name="size">Size in bytes of the storage buffer</param>
         public void SetComputeUniformBuffer(int index, ulong gpuVa, ulong size)
         {
-            MultiRange range = _channel.MemoryManager.Physical.BufferCache.TranslateAndCreateBuffer(_channel.MemoryManager, gpuVa, size);
+            MultiRange range = _channel.MemoryManager.Physical.BufferCache.TranslateAndCreateBuffer(_channel.MemoryManager, gpuVa, size, BufferStage.Compute);
 
             _cpUniformBuffers.SetBounds(index, range);
         }
@@ -318,7 +318,7 @@ namespace Ryujinx.Graphics.Gpu.Memory
         /// <param name="size">Size in bytes of the storage buffer</param>
         public void SetGraphicsUniformBuffer(int stage, int index, ulong gpuVa, ulong size)
         {
-            MultiRange range = _channel.MemoryManager.Physical.BufferCache.TranslateAndCreateBuffer(_channel.MemoryManager, gpuVa, size);
+            MultiRange range = _channel.MemoryManager.Physical.BufferCache.TranslateAndCreateBuffer(_channel.MemoryManager, gpuVa, size, BufferStageUtils.FromShaderStage(stage));
 
             _gpUniformBuffers[stage].SetBounds(index, range);
             _gpUniformBuffersDirty = true;
@@ -502,7 +502,7 @@ namespace Ryujinx.Graphics.Gpu.Memory
                 foreach (var binding in _bufferTextures)
                 {
                     var isStore = binding.BindingInfo.Flags.HasFlag(TextureUsageFlags.ImageStore);
-                    var range = bufferCache.GetBufferRange(binding.Range, isStore);
+                    var range = bufferCache.GetBufferRange(binding.Range, BufferStageUtils.TextureBuffer(binding.Stage, binding.BindingInfo.Flags), isStore);
                     binding.Texture.SetStorage(range);
 
                     // The texture must be rebound to use the new storage if it was updated.
@@ -526,7 +526,7 @@ namespace Ryujinx.Graphics.Gpu.Memory
 
                 foreach (var binding in _bufferTextureArrays)
                 {
-                    var range = bufferCache.GetBufferRange(binding.Range);
+                    var range = bufferCache.GetBufferRange(binding.Range, BufferStage.None);
                     binding.Texture.SetStorage(range);
 
                     textureArray[0] = binding.Texture;
@@ -536,7 +536,7 @@ namespace Ryujinx.Graphics.Gpu.Memory
                 foreach (var binding in _bufferImageArrays)
                 {
                     var isStore = binding.BindingInfo.Flags.HasFlag(TextureUsageFlags.ImageStore);
-                    var range = bufferCache.GetBufferRange(binding.Range, isStore);
+                    var range = bufferCache.GetBufferRange(binding.Range, BufferStage.None, isStore);
                     binding.Texture.SetStorage(range);
 
                     textureArray[0] = binding.Texture;
@@ -565,7 +565,7 @@ namespace Ryujinx.Graphics.Gpu.Memory
 
                     if (!_indexBuffer.Range.IsUnmapped)
                     {
-                        BufferRange buffer = bufferCache.GetBufferRange(_indexBuffer.Range);
+                        BufferRange buffer = bufferCache.GetBufferRange(_indexBuffer.Range, BufferStage.IndexBuffer);
 
                         _context.Renderer.Pipeline.SetIndexBuffer(buffer, _indexBuffer.Type);
                     }
@@ -597,7 +597,7 @@ namespace Ryujinx.Graphics.Gpu.Memory
                         continue;
                     }
 
-                    BufferRange buffer = bufferCache.GetBufferRange(vb.Range);
+                    BufferRange buffer = bufferCache.GetBufferRange(vb.Range, BufferStage.VertexBuffer);
 
                     vertexBuffers[index] = new VertexBufferDescriptor(buffer, vb.Stride, vb.Divisor);
                 }
@@ -637,7 +637,7 @@ namespace Ryujinx.Graphics.Gpu.Memory
                             continue;
                         }
 
-                        tfbs[index] = bufferCache.GetBufferRange(tfb.Range, write: true);
+                        tfbs[index] = bufferCache.GetBufferRange(tfb.Range, BufferStage.TransformFeedback, write: true);
                     }
 
                     _context.Renderer.Pipeline.SetTransformFeedbackBuffers(tfbs);
@@ -684,7 +684,7 @@ namespace Ryujinx.Graphics.Gpu.Memory
 
                             _context.SupportBufferUpdater.SetTfeOffset(index, tfeOffset);
 
-                            buffers[index] = new BufferAssignment(index, bufferCache.GetBufferRange(range, write: true));
+                            buffers[index] = new BufferAssignment(index, bufferCache.GetBufferRange(range, BufferStage.TransformFeedback, write: true));
                         }
                     }
 
@@ -751,6 +751,7 @@ namespace Ryujinx.Graphics.Gpu.Memory
             for (ShaderStage stage = ShaderStage.Vertex; stage <= ShaderStage.Fragment; stage++)
             {
                 ref var buffers = ref bindings[(int)stage - 1];
+                BufferStage bufferStage = BufferStageUtils.FromShaderStage(stage);
 
                 for (int index = 0; index < buffers.Count; index++)
                 {
@@ -762,8 +763,8 @@ namespace Ryujinx.Graphics.Gpu.Memory
                     {
                         var isWrite = bounds.Flags.HasFlag(BufferUsageFlags.Write);
                         var range = isStorage
-                            ? bufferCache.GetBufferRangeAligned(bounds.Range, isWrite)
-                            : bufferCache.GetBufferRange(bounds.Range);
+                            ? bufferCache.GetBufferRangeAligned(bounds.Range, bufferStage | BufferStageUtils.FromUsage(bounds.Flags), isWrite)
+                            : bufferCache.GetBufferRange(bounds.Range, bufferStage);
 
                         ranges[rangesCount++] = new BufferAssignment(bindingInfo.Binding, range);
                     }
@@ -799,8 +800,8 @@ namespace Ryujinx.Graphics.Gpu.Memory
                 {
                     var isWrite = bounds.Flags.HasFlag(BufferUsageFlags.Write);
                     var range = isStorage
-                        ? bufferCache.GetBufferRangeAligned(bounds.Range, isWrite)
-                        : bufferCache.GetBufferRange(bounds.Range);
+                        ? bufferCache.GetBufferRangeAligned(bounds.Range, BufferStageUtils.ComputeStorage(bounds.Flags), isWrite)
+                        : bufferCache.GetBufferRange(bounds.Range, BufferStage.Compute);
 
                     ranges[rangesCount++] = new BufferAssignment(bindingInfo.Binding, range);
                 }
@@ -875,7 +876,7 @@ namespace Ryujinx.Graphics.Gpu.Memory
             Format format,
             bool isImage)
         {
-            _channel.MemoryManager.Physical.BufferCache.CreateBuffer(range);
+            _channel.MemoryManager.Physical.BufferCache.CreateBuffer(range, BufferStageUtils.TextureBuffer(stage, bindingInfo.Flags));
 
             _bufferTextures.Add(new BufferTextureBinding(stage, texture, range, bindingInfo, format, isImage));
         }
@@ -883,6 +884,7 @@ namespace Ryujinx.Graphics.Gpu.Memory
         /// <summary>
         /// Sets the buffer storage of a buffer texture array element. This will be bound when the buffer manager commits bindings.
         /// </summary>
+        /// <param name="stage">Shader stage accessing the texture</param>
         /// <param name="array">Texture array where the element will be inserted</param>
         /// <param name="texture">Buffer texture</param>
         /// <param name="range">Physical ranges of memory where the buffer texture data is located</param>
@@ -890,6 +892,7 @@ namespace Ryujinx.Graphics.Gpu.Memory
         /// <param name="index">Index of the binding on the array</param>
         /// <param name="format">Format of the buffer texture</param>
         public void SetBufferTextureStorage(
+            ShaderStage stage,
             ITextureArray array,
             ITexture texture,
             MultiRange range,
@@ -897,7 +900,7 @@ namespace Ryujinx.Graphics.Gpu.Memory
             int index,
             Format format)
         {
-            _channel.MemoryManager.Physical.BufferCache.CreateBuffer(range);
+            _channel.MemoryManager.Physical.BufferCache.CreateBuffer(range, BufferStageUtils.TextureBuffer(stage, bindingInfo.Flags));
 
             _bufferTextureArrays.Add(new BufferTextureArrayBinding<ITextureArray>(array, texture, range, bindingInfo, index, format));
         }
@@ -905,6 +908,7 @@ namespace Ryujinx.Graphics.Gpu.Memory
         /// <summary>
         /// Sets the buffer storage of a buffer image array element. This will be bound when the buffer manager commits bindings.
         /// </summary>
+        /// <param name="stage">Shader stage accessing the texture</param>
         /// <param name="array">Image array where the element will be inserted</param>
         /// <param name="texture">Buffer texture</param>
         /// <param name="range">Physical ranges of memory where the buffer texture data is located</param>
@@ -912,6 +916,7 @@ namespace Ryujinx.Graphics.Gpu.Memory
         /// <param name="index">Index of the binding on the array</param>
         /// <param name="format">Format of the buffer texture</param>
         public void SetBufferTextureStorage(
+            ShaderStage stage,
             IImageArray array,
             ITexture texture,
             MultiRange range,
@@ -919,7 +924,7 @@ namespace Ryujinx.Graphics.Gpu.Memory
             int index,
             Format format)
         {
-            _channel.MemoryManager.Physical.BufferCache.CreateBuffer(range);
+            _channel.MemoryManager.Physical.BufferCache.CreateBuffer(range, BufferStageUtils.TextureBuffer(stage, bindingInfo.Flags));
 
             _bufferImageArrays.Add(new BufferTextureArrayBinding<IImageArray>(array, texture, range, bindingInfo, index, format));
         }