Change NvMap ID allocation to match nvservices (#3741)

* Change NvMap ID allocation to match nvservices

* Move NvMapIdDictionary to Types

Ryujinx.Graphics.Gpu/Shader/DiskCache/DiskCacheHostStorage.cs

@@ -22,7 +22,7 @@ namespace Ryujinx.Graphics.Gpu.Shader.DiskCache
         private const ushort FileFormatVersionMajor = 1;
         private const ushort FileFormatVersionMinor = 2;
         private const uint FileFormatVersionPacked = ((uint)FileFormatVersionMajor << 16) | FileFormatVersionMinor;
-        private const uint CodeGenVersion = 3728;
+        private const uint CodeGenVersion = 3732;
 
         private const string SharedTocFileName = "shared.toc";
         private const string SharedDataFileName = "shared.data";

Ryujinx.Graphics.Shader/CodeGen/Glsl/Declarations.cs

@@ -257,7 +257,7 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl
 
                     DeclareSupportUniformBlock(context, context.Config.Stage, scaleElements);
 
-                    if (context.Config.UsedFeatures.HasFlag(FeatureFlags.IntegerSampling))
+                    if (context.Config.UsedFeatures.HasFlag(FeatureFlags.IntegerSampling) && scaleElements != 0)
                     {
                         AppendHelperFunction(context, $"Ryujinx.Graphics.Shader/CodeGen/Glsl/HelperFunctions/TexelFetchScale_{stage}.glsl");
                         context.AppendLine();

Ryujinx.Graphics.Shader/Decoders/InstTable.cs

@@ -279,16 +279,16 @@ namespace Ryujinx.Graphics.Shader.Decoders
             Add("1110101110xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx", InstName.SuatomB2,    InstEmit.SuatomB2,    InstProps.Rd  | InstProps.Ra  | InstProps.Rb  | InstProps.Rc);
             Add("1110101011010xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx", InstName.SuatomCasB,  InstEmit.SuatomCasB,  InstProps.Rd  | InstProps.Ra  | InstProps.Rb  | InstProps.Rc  | InstProps.SPd);
             Add("1110101x1xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx", InstName.SuatomCas,   InstEmit.SuatomCas,   InstProps.Rd  | InstProps.Ra  | InstProps.Rb  | InstProps.SPd);
-            Add("111010110001xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx", InstName.SuldDB,      InstEmit.SuldDB,      InstProps.Rd  | InstProps.Ra  | InstProps.Rc  | InstProps.SPd | InstProps.TexB);
+            Add("1110101100010xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx", InstName.SuldDB,      InstEmit.SuldDB,      InstProps.Rd  | InstProps.Ra  | InstProps.Rc  | InstProps.SPd | InstProps.TexB);
             Add("1110101100011xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx", InstName.SuldD,       InstEmit.SuldD,       InstProps.Rd  | InstProps.Ra  | InstProps.SPd | InstProps.Tex);
-            Add("11101011000xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx", InstName.SuldB,       InstEmit.SuldB,       InstProps.Rd  | InstProps.Ra  | InstProps.Rc  | InstProps.SPd | InstProps.TexB);
-            Add("11101011000x1xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx", InstName.Suld,        InstEmit.Suld,        InstProps.Rd  | InstProps.Ra  | InstProps.SPd | InstProps.Tex);
-            Add("111010110101xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx", InstName.SuredB,      InstEmit.SuredB,      InstProps.Rd  | InstProps.Ra  | InstProps.Rc);
+            Add("1110101100000xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx", InstName.SuldB,       InstEmit.SuldB,       InstProps.Rd  | InstProps.Ra  | InstProps.Rc  | InstProps.SPd | InstProps.TexB);
+            Add("1110101100001xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx", InstName.Suld,        InstEmit.Suld,        InstProps.Rd  | InstProps.Ra  | InstProps.SPd | InstProps.Tex);
+            Add("1110101101010xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx", InstName.SuredB,      InstEmit.SuredB,      InstProps.Rd  | InstProps.Ra  | InstProps.Rc);
             Add("1110101101011xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx", InstName.Sured,       InstEmit.Sured,       InstProps.Rd  | InstProps.Ra);
-            Add("111010110011xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx", InstName.SustDB,      InstEmit.SustDB,      InstProps.Rd  | InstProps.Ra  | InstProps.Rc  | InstProps.TexB);
+            Add("1110101100110xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx", InstName.SustDB,      InstEmit.SustDB,      InstProps.Rd  | InstProps.Ra  | InstProps.Rc  | InstProps.TexB);
             Add("1110101100111xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx", InstName.SustD,       InstEmit.SustD,       InstProps.Rd  | InstProps.Ra  | InstProps.Tex);
-            Add("11101011001xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx", InstName.SustB,       InstEmit.SustB,       InstProps.Rd  | InstProps.Ra  | InstProps.Rc  | InstProps.TexB);
-            Add("11101011001x1xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx", InstName.Sust,        InstEmit.Sust,        InstProps.Rd  | InstProps.Ra  | InstProps.Tex);
+            Add("1110101100100xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx", InstName.SustB,       InstEmit.SustB,       InstProps.Rd  | InstProps.Ra  | InstProps.Rc  | InstProps.TexB);
+            Add("1110101100101xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx", InstName.Sust,        InstEmit.Sust,        InstProps.Rd  | InstProps.Ra  | InstProps.Tex);
             Add("1111000011111xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx", InstName.Sync,        InstEmit.Sync,        InstProps.Bra);
             Add("11000xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx", InstName.Tex,         InstEmit.Tex,         InstProps.Rd  | InstProps.Ra  | InstProps.Rb  | InstProps.TPd | InstProps.Tex);
             Add("1101111010xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx", InstName.TexB,        InstEmit.TexB,        InstProps.Rd  | InstProps.Ra  | InstProps.Rb  | InstProps.TPd | InstProps.TexB);

Ryujinx.Graphics.Shader/Instructions/InstEmitSurface.cs

@@ -123,7 +123,7 @@ namespace Ryujinx.Graphics.Shader.Instructions
         {
             InstSuldB op = context.GetOp<InstSuldB>();
 
-            EmitSuld(context, op.CacheOp, op.Dim, 0, 0, op.Rgba, op.SrcA, op.Dest, 0, useComponents: true, false, isBindless: true);
+            EmitSuld(context, op.CacheOp, op.Dim, 0, 0, op.Rgba, op.SrcA, op.Dest, op.SrcC, useComponents: true, false, isBindless: true);
         }
 
         public static void Suld(EmitterContext context)

Ryujinx.Graphics.Vulkan/BufferManager.cs

@@ -38,6 +38,8 @@ namespace Ryujinx.Graphics.Vulkan
 
         private readonly IdList<BufferHolder> _buffers;
 
+        public int BufferCount { get; private set; }
+
         public StagingBuffer StagingBuffer { get; }
 
         public BufferManager(VulkanRenderer gd, PhysicalDevice physicalDevice, Device device)
@@ -56,6 +58,8 @@ namespace Ryujinx.Graphics.Vulkan
                 return BufferHandle.Null;
             }
 
+            BufferCount++;
+
             ulong handle64 = (uint)_buffers.Add(holder);
 
             return Unsafe.As<ulong, BufferHandle>(ref handle64);

Ryujinx.Graphics.Vulkan/BufferUsageBitmap.cs

@@ -24,6 +24,11 @@
 
         public void Add(int cbIndex, int offset, int size)
         {
+            if (size == 0)
+            {
+                return;
+            }
+
             // Some usages can be out of bounds (vertex buffer on amd), so bound if necessary.
             if (offset + size > _size)
             {
@@ -39,6 +44,11 @@
 
         public bool OverlapsWith(int cbIndex, int offset, int size)
         {
+            if (size == 0)
+            {
+                return false;
+            }
+
             int cbBase = cbIndex * _bitsPerCb;
             int start = cbBase + offset / _granularity;
             int end = cbBase + (offset + size - 1) / _granularity;

Ryujinx.Graphics.Vulkan/TextureBuffer.cs

@@ -16,6 +16,8 @@ namespace Ryujinx.Graphics.Vulkan
         private Auto<DisposableBufferView> _bufferView;
         private Dictionary<GAL.Format, Auto<DisposableBufferView>> _selfManagedViews;
 
+        private int _bufferCount;
+
         public int Width { get; }
         public int Height { get; }
 
@@ -107,7 +109,8 @@ namespace Ryujinx.Graphics.Vulkan
         {
             if (_bufferHandle == buffer.Handle &&
                 _offset == buffer.Offset &&
-                _size == buffer.Size)
+                _size == buffer.Size &&
+                _bufferCount == _gd.BufferManager.BufferCount)
             {
                 return;
             }
@@ -115,6 +118,7 @@ namespace Ryujinx.Graphics.Vulkan
             _bufferHandle = buffer.Handle;
             _offset = buffer.Offset;
             _size = buffer.Size;
+            _bufferCount = _gd.BufferManager.BufferCount;
 
             ReleaseImpl();
         }

Ryujinx.HLE/HOS/Services/Bcat/ServiceCreator/IDeliveryCacheDirectoryService.cs

@@ -38,18 +38,17 @@ namespace Ryujinx.HLE.HOS.Services.Bcat.ServiceCreator
         // Read() -> (u32, buffer<nn::bcat::DeliveryCacheDirectoryEntry, 6>)
         public ResultCode Read(ServiceCtx context)
         {
-            ulong position = context.Request.ReceiveBuff[0].Position;
-            ulong size = context.Request.ReceiveBuff[0].Size;
+            ulong bufferAddress = context.Request.ReceiveBuff[0].Position;
+            ulong bufferLen = context.Request.ReceiveBuff[0].Size;
 
-            byte[] data = new byte[size];
+            using (var region = context.Memory.GetWritableRegion(bufferAddress, (int)bufferLen, true))
+            {
+                Result result = _base.Get.Read(out int entriesRead, MemoryMarshal.Cast<byte, DeliveryCacheDirectoryEntry>(region.Memory.Span));
 
-            Result result = _base.Get.Read(out int entriesRead, MemoryMarshal.Cast<byte, DeliveryCacheDirectoryEntry>(data));
+                context.ResponseData.Write(entriesRead);
 
-            context.Memory.Write(position, data);
-
-            context.ResponseData.Write(entriesRead);
-
-            return (ResultCode)result.Value;
+                return (ResultCode)result.Value;
+            }
         }
 
         [CommandHipc(2)]

Ryujinx.HLE/HOS/Services/Bcat/ServiceCreator/IDeliveryCacheFileService.cs

@@ -38,20 +38,19 @@ namespace Ryujinx.HLE.HOS.Services.Bcat.ServiceCreator
         // Read(u64) -> (u64, buffer<bytes, 6>)
         public ResultCode Read(ServiceCtx context)
         {
-            ulong position = context.Request.ReceiveBuff[0].Position;
-            ulong size = context.Request.ReceiveBuff[0].Size;
+            ulong bufferAddress = context.Request.ReceiveBuff[0].Position;
+            ulong bufferLen = context.Request.ReceiveBuff[0].Size;
 
             long offset = context.RequestData.ReadInt64();
 
-            byte[] data = new byte[size];
+            using (var region = context.Memory.GetWritableRegion(bufferAddress, (int)bufferLen, true))
+            {
+                Result result = _base.Get.Read(out long bytesRead, offset, region.Memory.Span);
 
-            Result result = _base.Get.Read(out long bytesRead, offset, data);
+                context.ResponseData.Write(bytesRead);
 
-            context.Memory.Write(position, data);
-
-            context.ResponseData.Write(bytesRead);
-
-            return (ResultCode)result.Value;
+                return (ResultCode)result.Value;
+            }
         }
 
         [CommandHipc(2)]

Ryujinx.HLE/HOS/Services/Bcat/ServiceCreator/IDeliveryCacheStorageService.cs

@@ -50,18 +50,17 @@ namespace Ryujinx.HLE.HOS.Services.Bcat.ServiceCreator
         // EnumerateDeliveryCacheDirectory() -> (u32, buffer<nn::bcat::DirectoryName, 6>)
         public ResultCode EnumerateDeliveryCacheDirectory(ServiceCtx context)
         {
-            ulong position = context.Request.ReceiveBuff[0].Position;
-            ulong size = context.Request.ReceiveBuff[0].Size;
+            ulong bufferAddress = context.Request.ReceiveBuff[0].Position;
+            ulong bufferLen = context.Request.ReceiveBuff[0].Size;
 
-            byte[] data = new byte[size];
+            using (var region = context.Memory.GetWritableRegion(bufferAddress, (int)bufferLen, true))
+            {
+                Result result = _base.Get.EnumerateDeliveryCacheDirectory(out int count, MemoryMarshal.Cast<byte, DirectoryName>(region.Memory.Span));
 
-            Result result = _base.Get.EnumerateDeliveryCacheDirectory(out int count, MemoryMarshal.Cast<byte, DirectoryName>(data));
+                context.ResponseData.Write(count);
 
-            context.Memory.Write(position, data);
-
-            context.ResponseData.Write(count);
-
-            return (ResultCode)result.Value;
+                return (ResultCode)result.Value;
+            }
         }
 
         protected override void Dispose(bool isDisposing)

Ryujinx.HLE/HOS/Services/Fs/FileSystemProxy/IDirectory.cs

@@ -17,17 +17,17 @@ namespace Ryujinx.HLE.HOS.Services.Fs.FileSystemProxy
         // Read() -> (u64 count, buffer<nn::fssrv::sf::IDirectoryEntry, 6, 0> entries)
         public ResultCode Read(ServiceCtx context)
         {
-            ulong bufferPosition = context.Request.ReceiveBuff[0].Position;
+            ulong bufferAddress = context.Request.ReceiveBuff[0].Position;
             ulong bufferLen = context.Request.ReceiveBuff[0].Size;
 
-            byte[] entryBuffer = new byte[bufferLen];
+            using (var region = context.Memory.GetWritableRegion(bufferAddress, (int)bufferLen, true))
+            {
+                Result result = _baseDirectory.Get.Read(out long entriesRead, new OutBuffer(region.Memory.Span));
 
-            Result result = _baseDirectory.Get.Read(out long entriesRead, new OutBuffer(entryBuffer));
+                context.ResponseData.Write(entriesRead);
 
-            context.Memory.Write(bufferPosition, entryBuffer);
-            context.ResponseData.Write(entriesRead);
-
-            return (ResultCode)result.Value;
+                return (ResultCode)result.Value;
+            }
         }
 
         [CommandHipc(1)]

Ryujinx.HLE/HOS/Services/Fs/FileSystemProxy/IFile.cs

@@ -19,7 +19,8 @@ namespace Ryujinx.HLE.HOS.Services.Fs.FileSystemProxy
         // Read(u32 readOption, u64 offset, u64 size) -> (u64 out_size, buffer<u8, 0x46, 0> out_buf)
         public ResultCode Read(ServiceCtx context)
         {
-            ulong position = context.Request.ReceiveBuff[0].Position;
+            ulong bufferAddress = context.Request.ReceiveBuff[0].Position;
+            ulong bufferLen = context.Request.ReceiveBuff[0].Size;
 
             ReadOption readOption = context.RequestData.ReadStruct<ReadOption>();
             context.RequestData.BaseStream.Position += 4;
@@ -27,15 +28,14 @@ namespace Ryujinx.HLE.HOS.Services.Fs.FileSystemProxy
             long offset = context.RequestData.ReadInt64();
             long size   = context.RequestData.ReadInt64();
 
-            byte[] data = new byte[context.Request.ReceiveBuff[0].Size];
+            using (var region = context.Memory.GetWritableRegion(bufferAddress, (int)bufferLen, true))
+            {
+                Result result = _baseFile.Get.Read(out long bytesRead, offset, new OutBuffer(region.Memory.Span), size, readOption);
 
-            Result result = _baseFile.Get.Read(out long bytesRead, offset, new OutBuffer(data), size, readOption);
+                context.ResponseData.Write(bytesRead);
 
-            context.Memory.Write(position, data);
-
-            context.ResponseData.Write(bytesRead);
-
-            return (ResultCode)result.Value;
+                return (ResultCode)result.Value;
+            }
         }
 
         [CommandHipc(1)]

Ryujinx.HLE/HOS/Services/Fs/FileSystemProxy/IFileSystem.cs

@@ -197,13 +197,7 @@ namespace Ryujinx.HLE.HOS.Services.Fs.FileSystemProxy
             context.ResponseData.Write(timestamp.Created);
             context.ResponseData.Write(timestamp.Modified);
             context.ResponseData.Write(timestamp.Accessed);
-
-            byte[] data = new byte[8];
-
-            // is valid?
-            data[0] = 1;
-
-            context.ResponseData.Write(data);
+            context.ResponseData.Write(1L); // Is valid?
 
             return (ResultCode)result.Value;
         }

Ryujinx.HLE/HOS/Services/Fs/FileSystemProxy/IStorage.cs

@@ -23,21 +23,21 @@ namespace Ryujinx.HLE.HOS.Services.Fs.FileSystemProxy
 
             if (context.Request.ReceiveBuff.Count > 0)
             {
-                IpcBuffDesc buffDesc = context.Request.ReceiveBuff[0];
+                ulong bufferAddress = context.Request.ReceiveBuff[0].Position;
+                ulong bufferLen = context.Request.ReceiveBuff[0].Size;
 
                 // Use smaller length to avoid overflows.
-                if (size > buffDesc.Size)
+                if (size > bufferLen)
                 {
-                    size = buffDesc.Size;
+                    size = bufferLen;
                 }
 
-                byte[] data = new byte[size];
+                using (var region = context.Memory.GetWritableRegion(bufferAddress, (int)bufferLen, true))
+                {
+                    Result result = _baseStorage.Get.Read((long)offset, new OutBuffer(region.Memory.Span), (long)size);
 
-                Result result = _baseStorage.Get.Read((long)offset, new OutBuffer(data), (long)size);
-
-                context.Memory.Write(buffDesc.Position, data);
-
-                return (ResultCode)result.Value;
+                    return (ResultCode)result.Value;
+                }
             }
 
             return ResultCode.Success;

Ryujinx.HLE/HOS/Services/Fs/IFileSystemProxy.cs

@@ -500,16 +500,16 @@ namespace Ryujinx.HLE.HOS.Services.Fs
             SaveDataSpaceId spaceId = (SaveDataSpaceId)context.RequestData.ReadInt64();
             SaveDataFilter filter = context.RequestData.ReadStruct<SaveDataFilter>();
 
-            ulong bufferPosition = context.Request.ReceiveBuff[0].Position;
+            ulong bufferAddress = context.Request.ReceiveBuff[0].Position;
             ulong bufferLen = context.Request.ReceiveBuff[0].Size;
 
-            byte[] infoBuffer = new byte[bufferLen];
+            using (var region = context.Memory.GetWritableRegion(bufferAddress, (int)bufferLen, true))
+            {
+                Result result = _baseFileSystemProxy.Get.FindSaveDataWithFilter(out long count, new OutBuffer(region.Memory.Span), spaceId, in filter);
+                if (result.IsFailure()) return (ResultCode)result.Value;
 
-            Result result = _baseFileSystemProxy.Get.FindSaveDataWithFilter(out long count, new OutBuffer(infoBuffer), spaceId, in filter);
-            if (result.IsFailure()) return (ResultCode)result.Value;
-
-            context.Memory.Write(bufferPosition, infoBuffer);
-            context.ResponseData.Write(count);
+                context.ResponseData.Write(count);
+            }
 
             return ResultCode.Success;
         }

Ryujinx.HLE/HOS/Services/Fs/ISaveDataInfoReader.cs

@@ -17,17 +17,17 @@ namespace Ryujinx.HLE.HOS.Services.Fs
         // ReadSaveDataInfo() -> (u64, buffer<unknown, 6>)
         public ResultCode ReadSaveDataInfo(ServiceCtx context)
         {
-            ulong bufferPosition = context.Request.ReceiveBuff[0].Position;
+            ulong bufferAddress = context.Request.ReceiveBuff[0].Position;
             ulong bufferLen = context.Request.ReceiveBuff[0].Size;
 
-            byte[] infoBuffer = new byte[bufferLen];
+            using (var region = context.Memory.GetWritableRegion(bufferAddress, (int)bufferLen, true))
+            {
+                Result result = _baseReader.Get.Read(out long readCount, new OutBuffer(region.Memory.Span));
 
-            Result result = _baseReader.Get.Read(out long readCount, new OutBuffer(infoBuffer));
+                context.ResponseData.Write(readCount);
 
-            context.Memory.Write(bufferPosition, infoBuffer);
-            context.ResponseData.Write(readCount);
-
-            return (ResultCode)result.Value;
+                return (ResultCode)result.Value;
+            }
         }
 
         protected override void Dispose(bool isDisposing)

Ryujinx.HLE/HOS/Services/Nv/NvDrvServices/NvMap/NvMapDeviceFile.cs

@@ -3,7 +3,6 @@ using Ryujinx.Common.Logging;
 using Ryujinx.Graphics.Gpu.Memory;
 using Ryujinx.Memory;
 using System;
-using System.Collections.Concurrent;
 
 namespace Ryujinx.HLE.HOS.Services.Nv.NvDrvServices.NvMap
 {
@@ -11,13 +10,10 @@ namespace Ryujinx.HLE.HOS.Services.Nv.NvDrvServices.NvMap
     {
         private const int FlagNotFreedYet = 1;
 
-        private static ConcurrentDictionary<ulong, IdDictionary> _maps = new ConcurrentDictionary<ulong, IdDictionary>();
+        private static NvMapIdDictionary _maps = new NvMapIdDictionary();
 
         public NvMapDeviceFile(ServiceCtx context, IVirtualMemoryManager memory, ulong owner) : base(context, owner)
         {
-            IdDictionary dict = _maps.GetOrAdd(Owner, (key) => new IdDictionary());
-
-            dict.Add(0, new NvMapHandle());
         }
 
         public override NvInternalResult Ioctl(NvIoctl command, Span<byte> arguments)
@@ -232,19 +228,12 @@ namespace Ryujinx.HLE.HOS.Services.Nv.NvDrvServices.NvMap
 
         private int CreateHandleFromMap(NvMapHandle map)
         {
-            IdDictionary dict = _maps.GetOrAdd(Owner, (key) => new IdDictionary());
-
-            return dict.Add(map);
+            return _maps.Add(map);
         }
 
         private static bool DeleteMapWithHandle(ulong pid, int handle)
         {
-            if (_maps.TryGetValue(pid, out IdDictionary dict))
-            {
-                return dict.Delete(handle) != null;
-            }
-
-            return false;
+            return _maps.Delete(handle) != null;
         }
 
         public static void IncrementMapRefCount(ulong pid, int handle)
@@ -277,12 +266,7 @@ namespace Ryujinx.HLE.HOS.Services.Nv.NvDrvServices.NvMap
 
         public static NvMapHandle GetMapFromHandle(ulong pid, int handle)
         {
-            if (_maps.TryGetValue(pid, out IdDictionary dict))
-            {
-                return dict.GetData<NvMapHandle>(handle);
-            }
-
-            return null;
+            return _maps.Get(handle);
         }
     }
 }

Ryujinx.HLE/HOS/Services/Nv/NvDrvServices/NvMap/Types/NvMapIdDictionary.cs

@@ -0,0 +1,61 @@
+using System;
+using System.Collections.Concurrent;
+using System.Collections.Generic;
+using System.Threading;
+
+namespace Ryujinx.HLE.HOS.Services.Nv.NvDrvServices.NvMap
+{
+    class NvMapIdDictionary
+    {
+        private readonly ConcurrentDictionary<int, NvMapHandle> _nvmapHandles;
+        private int _id;
+
+        public ICollection<NvMapHandle> Values => _nvmapHandles.Values;
+
+        public NvMapIdDictionary()
+        {
+            _nvmapHandles = new ConcurrentDictionary<int, NvMapHandle>();
+        }
+
+        public int Add(NvMapHandle handle)
+        {
+            int id = Interlocked.Add(ref _id, 4);
+
+            if (id != 0 && _nvmapHandles.TryAdd(id, handle))
+            {
+                return id;
+            }
+
+            throw new InvalidOperationException("NvMap ID overflow.");
+        }
+
+        public NvMapHandle Get(int id)
+        {
+            if (_nvmapHandles.TryGetValue(id, out NvMapHandle handle))
+            {
+                return handle;
+            }
+
+            return null;
+        }
+
+        public NvMapHandle Delete(int id)
+        {
+            if (_nvmapHandles.TryRemove(id, out NvMapHandle handle))
+            {
+                return handle;
+            }
+
+            return null;
+        }
+
+        public ICollection<NvMapHandle> Clear()
+        {
+            ICollection<NvMapHandle> values = _nvmapHandles.Values;
+
+            _nvmapHandles.Clear();
+
+            return values;
+        }
+    }
+}

Ryujinx.HLE/HOS/Services/Ssl/SslService/ISslConnection.cs

@@ -142,14 +142,13 @@ namespace Ryujinx.HLE.HOS.Services.Ssl.SslService
         // GetHostName(buffer<bytes, 6>) -> u32
         public ResultCode GetHostName(ServiceCtx context)
         {
-            ulong hostNameDataPosition = context.Request.ReceiveBuff[0].Position;
-            ulong hostNameDataSize = context.Request.ReceiveBuff[0].Size;
+            ulong bufferAddress = context.Request.ReceiveBuff[0].Position;
+            ulong bufferLen = context.Request.ReceiveBuff[0].Size;
 
-            byte[] hostNameData = new byte[hostNameDataSize];
-
-            Encoding.ASCII.GetBytes(_hostName, hostNameData);
-
-            context.Memory.Write(hostNameDataPosition, hostNameData);
+            using (var region = context.Memory.GetWritableRegion(bufferAddress, (int)bufferLen, true))
+            {
+                Encoding.ASCII.GetBytes(_hostName, region.Memory.Span);
+            }
 
             context.ResponseData.Write((uint)_hostName.Length);