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Initial support for double precision shader instructions. (#963)

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* Implement DADD, DFMA and DMUL shader instructions

* Rename FP to FP32

* Correct double immediate

* Classic mistake
This commit is contained in:
gdkchan
2020-03-03 11:02:08 -03:00
committed by GitHub
parent 3045c1a186
commit dc97457bf0
19 changed files with 428 additions and 184 deletions
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1
Ryujinx.Graphics.Shader/CodeGen/Glsl/Declarations.cs
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@ -189,6 +189,7 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl
{
case VariableType.Bool: return "bool";
case VariableType.F32: return "precise float";
case VariableType.F64: return "double";
case VariableType.S32: return "int";
case VariableType.U32: return "uint";
}

6
Ryujinx.Graphics.Shader/CodeGen/Glsl/Instructions/InstGen.cs
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@ -136,6 +136,9 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl.Instructions
case Instruction.Lod:
return InstGenMemory.Lod(context, operation);
case Instruction.PackDouble2x32:
return InstGenPacking.PackDouble2x32(context, operation);
case Instruction.PackHalf2x16:
return InstGenPacking.PackHalf2x16(context, operation);
@ -154,6 +157,9 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl.Instructions
case Instruction.TextureSize:
return InstGenMemory.TextureSize(context, operation);
case Instruction.UnpackDouble2x32:
return InstGenPacking.UnpackDouble2x32(context, operation);
case Instruction.UnpackHalf2x16:
return InstGenPacking.UnpackHalf2x16(context, operation);
}

4
Ryujinx.Graphics.Shader/CodeGen/Glsl/Instructions/InstGenHelper.cs
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@ -50,6 +50,8 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl.Instructions
Add(Instruction.CompareLessU32, InstType.OpBinary, "<", 4);
Add(Instruction.CompareNotEqual, InstType.OpBinaryCom, "!=", 5);
Add(Instruction.ConditionalSelect, InstType.OpTernary, "?:", 12);
Add(Instruction.ConvertFP32ToFP64, InstType.CallUnary, "double");
Add(Instruction.ConvertFP64ToFP32, InstType.CallUnary, "float");
Add(Instruction.ConvertFPToS32, InstType.CallUnary, "int");
Add(Instruction.ConvertFPToU32, InstType.CallUnary, "uint");
Add(Instruction.ConvertS32ToFP, InstType.CallUnary, "float");
@ -83,6 +85,7 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl.Instructions
Add(Instruction.LogicalOr, InstType.OpBinaryCom, "||", 11);
Add(Instruction.LoopBreak, InstType.OpNullary, "break");
Add(Instruction.LoopContinue, InstType.OpNullary, "continue");
Add(Instruction.PackDouble2x32, InstType.Special);
Add(Instruction.PackHalf2x16, InstType.Special);
Add(Instruction.ShiftLeft, InstType.OpBinary, "<<", 3);
Add(Instruction.ShiftRightS32, InstType.OpBinary, ">>", 3);
@ -113,6 +116,7 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl.Instructions
Add(Instruction.TextureSample, InstType.Special);
Add(Instruction.TextureSize, InstType.Special);
Add(Instruction.Truncate, InstType.CallUnary, "trunc");
Add(Instruction.UnpackDouble2x32, InstType.Special);
Add(Instruction.UnpackHalf2x16, InstType.Special);
Add(Instruction.VoteAll, InstType.CallUnary, "allInvocationsARB");
Add(Instruction.VoteAllEqual, InstType.CallUnary, "allInvocationsEqualARB");

20
Ryujinx.Graphics.Shader/CodeGen/Glsl/Instructions/InstGenPacking.cs
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@ -7,6 +7,17 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl.Instructions
{
static class InstGenPacking
{
public static string PackDouble2x32(CodeGenContext context, AstOperation operation)
{
IAstNode src0 = operation.GetSource(0);
IAstNode src1 = operation.GetSource(1);
string src0Expr = GetSoureExpr(context, src0, GetSrcVarType(operation.Inst, 0));
string src1Expr = GetSoureExpr(context, src1, GetSrcVarType(operation.Inst, 1));
return $"packDouble2x32(uvec2({src0Expr}, {src1Expr}))";
}
public static string PackHalf2x16(CodeGenContext context, AstOperation operation)
{
IAstNode src0 = operation.GetSource(0);
@ -18,6 +29,15 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl.Instructions
return $"packHalf2x16(vec2({src0Expr}, {src1Expr}))";
}
public static string UnpackDouble2x32(CodeGenContext context, AstOperation operation)
{
IAstNode src = operation.GetSource(0);
string srcExpr = GetSoureExpr(context, src, GetSrcVarType(operation.Inst, 0));
return $"unpackDouble2x32({srcExpr}){GetMask(operation.Index)}";
}
public static string UnpackHalf2x16(CodeGenContext context, AstOperation operation)
{
IAstNode src = operation.GetSource(0);