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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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19
src/Ryujinx.Graphics.Shader/Translation/Optimizations/ConstantFolding.cs
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@ -8,7 +8,7 @@ namespace Ryujinx.Graphics.Shader.Translation.Optimizations
{
static class ConstantFolding
{
public static void RunPass(Operation operation)
public static void RunPass(ShaderConfig config, Operation operation)
{
if (!AreAllSourcesConstant(operation))
{
@ -153,8 +153,21 @@ namespace Ryujinx.Graphics.Shader.Translation.Optimizations
EvaluateFPUnary(operation, (x) => float.IsNaN(x));
break;
case Instruction.LoadConstant:
operation.TurnIntoCopy(Cbuf(operation.GetSource(0).Value, operation.GetSource(1).Value));
case Instruction.Load:
if (operation.StorageKind == StorageKind.ConstantBuffer && operation.SourcesCount == 4)
{
int binding = operation.GetSource(0).Value;
int fieldIndex = operation.GetSource(1).Value;
if (config.ResourceManager.TryGetConstantBufferSlot(binding, out int cbufSlot) && fieldIndex == 0)
{
int vecIndex = operation.GetSource(2).Value;
int elemIndex = operation.GetSource(3).Value;
int cbufOffset = vecIndex * 4 + elemIndex;
operation.TurnIntoCopy(Cbuf(cbufSlot, cbufOffset));
}
}
break;
case Instruction.Maximum: