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Initial support for shader attribute indexing (#2546)

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* Initial support for shader attribute indexing

* Support output indexing too, other improvements

* Fix order

* Address feedback
This commit is contained in:
gdkchan 2021-08-26 20:44:47 -03:00 • committed by GitHub
parent ec3e848d79
commit ee1038e542
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GPG key ID: 4AEE18F83AFDEB23
22 changed files with 298 additions and 86 deletions
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51
Ryujinx.Graphics.Shader/CodeGen/Glsl/Instructions/InstGenMemory.cs
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@ -137,15 +137,25 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl.Instructions
{
IAstNode src1 = operation.GetSource(0);
IAstNode src2 = operation.GetSource(1);
IAstNode src3 = operation.GetSource(2);
if (!(src1 is AstOperand attr) || attr.Type != OperandType.Attribute)
if (!(src1 is AstOperand baseAttr) || baseAttr.Type != OperandType.Constant)
{
throw new InvalidOperationException("First source of LoadAttribute must be a attribute.");
throw new InvalidOperationException($"First input of {nameof(Instruction.LoadAttribute)} must be a constant operand.");
}
string indexExpr = GetSoureExpr(context, src2, GetSrcVarType(operation.Inst, 1));
string indexExpr = GetSoureExpr(context, src3, GetSrcVarType(operation.Inst, 2));
return OperandManager.GetAttributeName(attr, context.Config, isOutAttr: false, indexExpr);
if (src2 is AstOperand operand && operand.Type == OperandType.Constant)
{
return OperandManager.GetAttributeName(baseAttr.Value + (operand.Value << 2), context.Config, isOutAttr: false, indexExpr);
}
else
{
string attrExpr = GetSoureExpr(context, src2, GetSrcVarType(operation.Inst, 1));
attrExpr = Enclose(attrExpr, src2, Instruction.ShiftRightS32, isLhs: true);
return OperandManager.GetAttributeName(attrExpr, context.Config, isOutAttr: false, indexExpr);
}
}
public static string LoadConstant(CodeGenContext context, AstOperation operation)
@ -154,16 +164,15 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl.Instructions
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 oper && oper.Type == OperandType.Constant)
if (src1 is AstOperand operand && operand.Type == OperandType.Constant)
{
bool cbIndexable = config.UsedFeatures.HasFlag(Translation.FeatureFlags.CbIndexing);
return OperandManager.GetConstantBufferName(oper.Value, offsetExpr, config.Stage, cbIndexable, indexElement);
return OperandManager.GetConstantBufferName(operand.Value, offsetExpr, config.Stage, cbIndexable, indexElement);
}
else
{
@ -250,6 +259,34 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl.Instructions
return $"textureQueryLod({samplerName}, {coordsExpr}){GetMask(texOp.Index)}";
}
public static string StoreAttribute(CodeGenContext context, AstOperation operation)
{
IAstNode src1 = operation.GetSource(0);
IAstNode src2 = operation.GetSource(1);
IAstNode src3 = operation.GetSource(2);
if (!(src1 is AstOperand baseAttr) || baseAttr.Type != OperandType.Constant)
{
throw new InvalidOperationException($"First input of {nameof(Instruction.StoreAttribute)} must be a constant operand.");
}
string attrName;
if (src2 is AstOperand operand && operand.Type == OperandType.Constant)
{
attrName = OperandManager.GetAttributeName(baseAttr.Value + (operand.Value << 2), context.Config, isOutAttr: true);
}
else
{
string attrExpr = GetSoureExpr(context, src2, GetSrcVarType(operation.Inst, 1));
attrExpr = Enclose(attrExpr, src2, Instruction.ShiftRightS32, isLhs: true);
attrName = OperandManager.GetAttributeName(attrExpr, context.Config, isOutAttr: true);
}
string value = GetSoureExpr(context, src3, GetSrcVarType(operation.Inst, 2));
return $"{attrName} = {value}";
}
public static string StoreLocal(CodeGenContext context, AstOperation operation)
{
return StoreLocalOrShared(context, operation, DefaultNames.LocalMemoryName);