Fix vote and shuffle shader instructions on AMD GPUs (#5540)

* Move shuffle handling out of the backend to a transform pass

* Handle subgroup sizes higher than 32

* Stop using the subgroup size control extension

* Make GenerateShuffleFunction static

* Shader cache version bump
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gdkchan 2023-08-16 21:31:07 -03:00 committed by GitHub
parent 64079c034c
commit 6ed613a6e6
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35 changed files with 445 additions and 265 deletions

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using Ryujinx.Graphics.Shader.StructuredIr;
using Ryujinx.Graphics.Shader.Translation;
using static Ryujinx.Graphics.Shader.CodeGen.Glsl.Instructions.InstGenHelper;
namespace Ryujinx.Graphics.Shader.CodeGen.Glsl.Instructions
{
static class InstGenShuffle
{
public static string Shuffle(CodeGenContext context, AstOperation operation)
{
string value = GetSoureExpr(context, operation.GetSource(0), AggregateType.FP32);
string index = GetSoureExpr(context, operation.GetSource(1), AggregateType.U32);
if (context.HostCapabilities.SupportsShaderBallot)
{
return $"readInvocationARB({value}, {index})";
}
else
{
return $"subgroupShuffle({value}, {index})";
}
}
}
}