49 lines
1.4 KiB
C++
49 lines
1.4 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "NNEHlslShadersBase.h"
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#include "RenderGraphUtils.h"
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#include "ShaderParameterUtils.h"
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namespace UE::NNE::Internal { class FTensor; }
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namespace UE::NNEHlslShaders::Internal
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{
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enum class ESoftmaxOperatorType : uint8
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{
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SOFTMAX,
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LOG_SOFTMAX,
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MAX
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};
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class FSoftmaxConstants
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{
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public:
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static const int32 NUM_GROUP_THREADS{ 256 };
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};
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class NNEHLSLSHADERS_API TSoftmaxCS : public FHlslShaderBase
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{
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DECLARE_GLOBAL_SHADER(TSoftmaxCS);
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SHADER_USE_PARAMETER_STRUCT(TSoftmaxCS, FHlslShaderBase)
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class FSoftmaxType : SHADER_PERMUTATION_ENUM_CLASS("SOFTMAX_OPERATOR_TYPE", ESoftmaxOperatorType);
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class FSingleDimension : SHADER_PERMUTATION_BOOL("SINGLE_DIMENSION");
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using FPermutationDomain = TShaderPermutationDomain<FSoftmaxType,FSingleDimension>;
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public:
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BEGIN_SHADER_PARAMETER_STRUCT(FParameters, )
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SHADER_PARAMETER(uint32, Num)
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SHADER_PARAMETER(uint32, ThreadCountX)
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SHADER_PARAMETER(uint32, AxisSize)
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SHADER_PARAMETER(uint32, AfterAxisSize)
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SHADER_PARAMETER_RDG_BUFFER_SRV(Buffer<float>, Input)
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SHADER_PARAMETER_RDG_BUFFER_SRV(Buffer<float>, InputSumExp)
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SHADER_PARAMETER_RDG_BUFFER_UAV(RWBuffer<float>, Output)
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END_SHADER_PARAMETER_STRUCT()
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static void ModifyCompilationEnvironment(const FGlobalShaderPermutationParameters& InParameters, FShaderCompilerEnvironment& OutEnvironment);
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};
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} // UE::NNEHlslShaders::Internal
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