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97a0dbaf81
* Update builtin shaders to use ShouldCompileRayTracingShadersForProject instead of always being compiled. * Modify ShouldCompileRayTracingShadersForProject to respect r.Raytracing.RequireSM6 cvar. * Don't compile or use D3D12 ray tracing validation shaders on SM5. #rb Yuriy.ODonnell #jira UE-200526 [CL 29852969 by aleksander netzel in ue5-main branch]
96 lines
3.7 KiB
C++
96 lines
3.7 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "DataDrivenShaderPlatformInfo.h"
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#include "GlobalShader.h"
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#include "RHIDefinitions.h"
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#include "ShaderParameterMacros.h"
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#include "ShaderParameterStruct.h"
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#if RHI_RAYTRACING
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class FBuiltInRayTracingShader : public FGlobalShader
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{
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protected:
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static void ModifyCompilationEnvironment(const FGlobalShaderPermutationParameters& Parameters, FShaderCompilerEnvironment& OutEnvironment)
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{}
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public:
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static bool ShouldCompilePermutation(const FGlobalShaderPermutationParameters& Parameters)
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{
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return ShouldCompileRayTracingShadersForProject(Parameters.Platform);
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}
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FBuiltInRayTracingShader() = default;
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FBuiltInRayTracingShader(const ShaderMetaType::CompiledShaderInitializerType& Initializer)
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: FGlobalShader(Initializer)
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{}
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};
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class FDefaultPayloadMS : public FBuiltInRayTracingShader
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{
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DECLARE_EXPORTED_SHADER_TYPE(FDefaultPayloadMS, Global, RENDERCORE_API);
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public:
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static ERayTracingPayloadType GetRayTracingPayloadType(const int32 PermutationId);
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FDefaultPayloadMS() = default;
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FDefaultPayloadMS(const ShaderMetaType::CompiledShaderInitializerType& Initializer)
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: FBuiltInRayTracingShader(Initializer)
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{}
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};
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class FPackedMaterialClosestHitPayloadMS : public FBuiltInRayTracingShader
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{
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DECLARE_EXPORTED_SHADER_TYPE(FPackedMaterialClosestHitPayloadMS, Global, RENDERCORE_API);
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public:
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static ERayTracingPayloadType GetRayTracingPayloadType(const int32 PermutationId);
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FPackedMaterialClosestHitPayloadMS() = default;
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FPackedMaterialClosestHitPayloadMS(const ShaderMetaType::CompiledShaderInitializerType& Initializer)
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: FBuiltInRayTracingShader(Initializer)
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{}
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};
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class FRayTracingDispatchDescCS : public FBuiltInRayTracingShader
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{
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DECLARE_GLOBAL_SHADER(FRayTracingDispatchDescCS);
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public:
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FRayTracingDispatchDescCS() = default;
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FRayTracingDispatchDescCS(const ShaderMetaType::CompiledShaderInitializerType& Initializer)
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: FBuiltInRayTracingShader(Initializer)
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{
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DispatchDescInputParam.Bind(Initializer.ParameterMap, TEXT("DispatchDescInput"), SPF_Mandatory);
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DispatchDescSizeDwordsParam.Bind(Initializer.ParameterMap, TEXT("DispatchDescSizeDwords"), SPF_Mandatory);
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DispatchDescDimensionsOffsetDwordsParam.Bind(Initializer.ParameterMap, TEXT("DispatchDescDimensionsOffsetDwords"), SPF_Mandatory);
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DimensionsBufferOffsetDwordsParam.Bind(Initializer.ParameterMap, TEXT("DimensionsBufferOffsetDwords"), SPF_Mandatory);
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DispatchDimensionsParam.Bind(Initializer.ParameterMap, TEXT("DispatchDimensions"), SPF_Mandatory);
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DispatchDescOutputParam.Bind(Initializer.ParameterMap, TEXT("DispatchDescOutput"), SPF_Mandatory);
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}
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static inline void ModifyCompilationEnvironment(const FGlobalShaderPermutationParameters& Parameters, FShaderCompilerEnvironment& OutEnvironment)
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{
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OutEnvironment.SetDefine(TEXT("DISPATCH_DESC_MAX_SIZE_DWORDS"), DispatchDescMaxSizeDwords);
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FGlobalShader::ModifyCompilationEnvironment(Parameters, OutEnvironment);
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}
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static RENDERCORE_API void Dispatch(FRHICommandList& RHICmdList,
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const void* DispatchDescInput, uint32 DispatchDescSize, uint32 DispatchDescDimensionsOffset,
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FRHIShaderResourceView* DispatchDimensionsSRV, uint32 DimensionsBufferOffset,
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FRHIUnorderedAccessView* DispatchDescOutputUAV);
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static constexpr uint32 DispatchDescMaxSizeDwords = 32;
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LAYOUT_FIELD(FShaderParameter, DispatchDescInputParam);
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LAYOUT_FIELD(FShaderParameter, DispatchDescSizeDwordsParam);
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LAYOUT_FIELD(FShaderParameter, DispatchDescDimensionsOffsetDwordsParam);
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LAYOUT_FIELD(FShaderParameter, DimensionsBufferOffsetDwordsParam);
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LAYOUT_FIELD(FShaderResourceParameter, DispatchDimensionsParam);
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LAYOUT_FIELD(FShaderResourceParameter, DispatchDescOutputParam);
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};
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#endif // RHI_RAYTRACING
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