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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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30
src/Ryujinx.Graphics.Shader/CodeGen/Spirv/CodeGenContext.cs
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@ -23,9 +23,7 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Spirv
public int InputVertices { get; }
public Dictionary<int, Instruction> UniformBuffers { get; } = new Dictionary<int, Instruction>();
public Instruction SupportBuffer { get; set; }
public Instruction UniformBuffersArray { get; set; }
public Dictionary<int, Instruction> ConstantBuffers { get; } = new Dictionary<int, Instruction>();
public Instruction StorageBuffersArray { get; set; }
public Instruction LocalMemory { get; set; }
public Instruction SharedMemory { get; set; }
@ -217,7 +215,6 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Spirv
{
IrOperandType.Argument => GetArgument(type, operand),
IrOperandType.Constant => GetConstant(type, operand),
IrOperandType.ConstantBuffer => GetConstantBuffer(type, operand),
IrOperandType.LocalVariable => GetLocal(type, operand),
IrOperandType.Undefined => GetUndefined(type),
_ => throw new ArgumentException($"Invalid operand type \"{operand.Type}\".")
@ -274,31 +271,6 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Spirv
};
}
public Instruction GetConstantBuffer(AggregateType type, AstOperand operand)
{
var i1 = Constant(TypeS32(), 0);
var i2 = Constant(TypeS32(), operand.CbufOffset >> 2);
var i3 = Constant(TypeU32(), operand.CbufOffset & 3);
Instruction elemPointer;
if (UniformBuffersArray != null)
{
var ubVariable = UniformBuffersArray;
var i0 = Constant(TypeS32(), operand.CbufSlot);
elemPointer = AccessChain(TypePointer(StorageClass.Uniform, TypeFP32()), ubVariable, i0, i1, i2, i3);
}
else
{
var ubVariable = UniformBuffers[operand.CbufSlot];
elemPointer = AccessChain(TypePointer(StorageClass.Uniform, TypeFP32()), ubVariable, i1, i2, i3);
}
return BitcastIfNeeded(type, AggregateType.FP32, Load(TypeFP32(), elemPointer));
}
public Instruction GetLocalPointer(AstOperand local)
{
return _locals[local];