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Replace constant buffer access on shader with new Load instruction (#4646)

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gdkchan 2023-05-20 16:19:26 -03:00 • committed by GitHub
parent fb27042e01
commit 402f05b8ef
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42 changed files with 788 additions and 625 deletions
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3
src/Ryujinx.Graphics.Shader/CodeGen/Glsl/Instructions/InstGen.cs
View file

@ -167,9 +167,6 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl.Instructions
case Instruction.Load:
return Load(context, operation);
case Instruction.LoadConstant:
return LoadConstant(context, operation);
case Instruction.LoadLocal:
return LoadLocal(context, operation);

1
src/Ryujinx.Graphics.Shader/CodeGen/Glsl/Instructions/InstGenHelper.cs
View file

@ -83,7 +83,6 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl.Instructions
Add(Instruction.ImageAtomic, InstType.Special);
Add(Instruction.IsNan, InstType.CallUnary, "isnan");
Add(Instruction.Load, InstType.Special);
Add(Instruction.LoadConstant, InstType.Special);
Add(Instruction.LoadLocal, InstType.Special);
Add(Instruction.LoadShared, InstType.Special);
Add(Instruction.LoadStorage, InstType.Special);

98
src/Ryujinx.Graphics.Shader/CodeGen/Glsl/Instructions/InstGenMemory.cs
View file

@ -215,29 +215,6 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl.Instructions
return GenerateLoadOrStore(context, operation, isStore: false);
}
public static string LoadConstant(CodeGenContext context, AstOperation operation)
{
IAstNode src1 = operation.GetSource(0);
IAstNode src2 = operation.GetSource(1);
string offsetExpr = GetSoureExpr(context, src2, GetSrcVarType(operation.Inst, 1));
offsetExpr = Enclose(offsetExpr, src2, Instruction.ShiftRightS32, isLhs: true);
var config = context.Config;
bool indexElement = !config.GpuAccessor.QueryHostHasVectorIndexingBug();
if (src1 is AstOperand operand && operand.Type == OperandType.Constant)
{
bool cbIndexable = config.UsedFeatures.HasFlag(Translation.FeatureFlags.CbIndexing);
return OperandManager.GetConstantBufferName(operand.Value, offsetExpr, config.Stage, cbIndexable, indexElement);
}
else
{
string slotExpr = GetSoureExpr(context, src1, GetSrcVarType(operation.Inst, 0));
return OperandManager.GetConstantBufferName(slotExpr, offsetExpr, config.Stage, indexElement);
}
}
public static string LoadLocal(CodeGenContext context, AstOperation operation)
{
return LoadLocalOrShared(context, operation, DefaultNames.LocalMemoryName);
@ -809,9 +786,29 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl.Instructions
string varName;
AggregateType varType;
int srcIndex = 0;
int inputsCount = isStore ? operation.SourcesCount - 1 : operation.SourcesCount;
switch (storageKind)
{
case StorageKind.ConstantBuffer:
if (!(operation.GetSource(srcIndex++) is AstOperand bindingIndex) || bindingIndex.Type != OperandType.Constant)
{
throw new InvalidOperationException($"First input of {operation.Inst} with {storageKind} storage must be a constant operand.");
}
int binding = bindingIndex.Value;
BufferDefinition buffer = context.Config.Properties.ConstantBuffers[binding];
if (!(operation.GetSource(srcIndex++) is AstOperand fieldIndex) || fieldIndex.Type != OperandType.Constant)
{
throw new InvalidOperationException($"Second input of {operation.Inst} with {storageKind} storage must be a constant operand.");
}
StructureField field = buffer.Type.Fields[fieldIndex.Value];
varName = $"{buffer.Name}.{field.Name}";
varType = field.Type;
break;
case StorageKind.Input:
case StorageKind.InputPerPatch:
case StorageKind.Output:
@ -864,40 +861,39 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl.Instructions
varName = $"gl_out[{expr}].{varName}";
}
}
int firstSrcIndex = srcIndex;
int inputsCount = isStore ? operation.SourcesCount - 1 : operation.SourcesCount;
for (; srcIndex < inputsCount; srcIndex++)
{
IAstNode src = operation.GetSource(srcIndex);
if ((varType & AggregateType.ElementCountMask) != 0 &&
srcIndex == inputsCount - 1 &&
src is AstOperand elementIndex &&
elementIndex.Type == OperandType.Constant)
{
varName += "." + "xyzw"[elementIndex.Value & 3];
}
else if (srcIndex == firstSrcIndex && context.Config.Stage == ShaderStage.TessellationControl && storageKind == StorageKind.Output)
{
// GLSL requires that for tessellation control shader outputs,
// that the index expression must be *exactly* "gl_InvocationID",
// otherwise the compilation fails.
// TODO: Get rid of this and use expression propagation to make sure we generate the correct code from IR.
varName += "[gl_InvocationID]";
}
else
{
varName += $"[{GetSoureExpr(context, src, AggregateType.S32)}]";
}
}
break;
default:
throw new InvalidOperationException($"Invalid storage kind {storageKind}.");
}
int firstSrcIndex = srcIndex;
for (; srcIndex < inputsCount; srcIndex++)
{
IAstNode src = operation.GetSource(srcIndex);
if ((varType & AggregateType.ElementCountMask) != 0 &&
srcIndex == inputsCount - 1 &&
src is AstOperand elementIndex &&
elementIndex.Type == OperandType.Constant)
{
varName += "." + "xyzw"[elementIndex.Value & 3];
}
else if (srcIndex == firstSrcIndex && context.Config.Stage == ShaderStage.TessellationControl && storageKind == StorageKind.Output)
{
// GLSL requires that for tessellation control shader outputs,
// that the index expression must be *exactly* "gl_InvocationID",
// otherwise the compilation fails.
// TODO: Get rid of this and use expression propagation to make sure we generate the correct code from IR.
varName += "[gl_InvocationID]";
}
else
{
varName += $"[{GetSoureExpr(context, src, AggregateType.S32)}]";
}
}
if (isStore)
{
varType &= AggregateType.ElementTypeMask;

3
src/Ryujinx.Graphics.Shader/CodeGen/Glsl/Instructions/IoMap.cs
View file

@ -27,7 +27,6 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl.Instructions
IoVariable.FragmentCoord => ("gl_FragCoord", AggregateType.Vector4 | AggregateType.FP32),
IoVariable.FragmentOutputColor => GetFragmentOutputColorVariableName(config, location),
IoVariable.FragmentOutputDepth => ("gl_FragDepth", AggregateType.FP32),
IoVariable.FragmentOutputIsBgra => (DefaultNames.SupportBlockIsBgraName, AggregateType.Array | AggregateType.Bool),
IoVariable.FrontColorDiffuse => ("gl_FrontColor", AggregateType.Vector4 | AggregateType.FP32), // Deprecated.
IoVariable.FrontColorSpecular => ("gl_FrontSecondaryColor", AggregateType.Vector4 | AggregateType.FP32), // Deprecated.
IoVariable.FrontFacing => ("gl_FrontFacing", AggregateType.Bool),
@ -46,8 +45,6 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl.Instructions
IoVariable.SubgroupLaneId => GetSubgroupInvocationIdVariableName(config),
IoVariable.SubgroupLeMask => GetSubgroupMaskVariableName(config, "Le"),
IoVariable.SubgroupLtMask => GetSubgroupMaskVariableName(config, "Lt"),
IoVariable.SupportBlockRenderScale => (DefaultNames.SupportBlockRenderScaleName, AggregateType.Array | AggregateType.FP32),
IoVariable.SupportBlockViewInverse => (DefaultNames.SupportBlockViewportInverse, AggregateType.Vector2 | AggregateType.FP32),
IoVariable.TessellationCoord => ("gl_TessCoord", AggregateType.Vector3 | AggregateType.FP32),
IoVariable.TessellationLevelInner => ("gl_TessLevelInner", AggregateType.Array | AggregateType.FP32),
IoVariable.TessellationLevelOuter => ("gl_TessLevelOuter", AggregateType.Array | AggregateType.FP32),