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| author | gdkchan <gab.dark.100@gmail.com> | 2023-08-16 21:31:07 -0300 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2023-08-16 21:31:07 -0300 |
| commit | 6ed613a6e6a66d57d2fdb045d926e42dfcdd3206 (patch) | |
| tree | 3dbd8e34edf12925f49a0a6c1229e3565b5cfd4f /src/Ryujinx.Graphics.Shader/Translation/Transforms/ShufflePass.cs | |
| parent | 64079c034c1c3a18133542d6ac745490149d8043 (diff) | |
Fix vote and shuffle shader instructions on AMD GPUs (#5540)1.1.995
* 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
Diffstat (limited to 'src/Ryujinx.Graphics.Shader/Translation/Transforms/ShufflePass.cs')
| -rw-r--r-- | src/Ryujinx.Graphics.Shader/Translation/Transforms/ShufflePass.cs | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/src/Ryujinx.Graphics.Shader/Translation/Transforms/ShufflePass.cs b/src/Ryujinx.Graphics.Shader/Translation/Transforms/ShufflePass.cs new file mode 100644 index 00000000..839d4f81 --- /dev/null +++ b/src/Ryujinx.Graphics.Shader/Translation/Transforms/ShufflePass.cs @@ -0,0 +1,52 @@ +using Ryujinx.Graphics.Shader.IntermediateRepresentation; +using Ryujinx.Graphics.Shader.Translation.Optimizations; +using System.Collections.Generic; +using static Ryujinx.Graphics.Shader.IntermediateRepresentation.OperandHelper; + +namespace Ryujinx.Graphics.Shader.Translation.Transforms +{ + class ShufflePass : ITransformPass + { + public static bool IsEnabled(IGpuAccessor gpuAccessor, ShaderStage stage, TargetLanguage targetLanguage, FeatureFlags usedFeatures) + { + return usedFeatures.HasFlag(FeatureFlags.Shuffle); + } + + public static LinkedListNode<INode> RunPass(TransformContext context, LinkedListNode<INode> node) + { + Operation operation = (Operation)node.Value; + + HelperFunctionName functionName = operation.Inst switch + { + Instruction.Shuffle => HelperFunctionName.Shuffle, + Instruction.ShuffleDown => HelperFunctionName.ShuffleDown, + Instruction.ShuffleUp => HelperFunctionName.ShuffleUp, + Instruction.ShuffleXor => HelperFunctionName.ShuffleXor, + _ => HelperFunctionName.Invalid, + }; + + if (functionName == HelperFunctionName.Invalid || operation.SourcesCount != 3 || operation.DestsCount != 2) + { + return node; + } + + int functionId = context.Hfm.GetOrCreateShuffleFunctionId(functionName, context.GpuAccessor.QueryHostSubgroupSize()); + + Operand result = operation.GetDest(0); + Operand valid = operation.GetDest(1); + Operand value = operation.GetSource(0); + Operand index = operation.GetSource(1); + Operand mask = operation.GetSource(2); + + operation.Dest = null; + + Operand[] callArgs = new Operand[] { Const(functionId), value, index, mask, valid }; + + LinkedListNode<INode> newNode = node.List.AddBefore(node, new Operation(Instruction.Call, 0, result, callArgs)); + + Utils.DeleteNode(node, operation); + + return newNode; + } + } +} |