87 lines
3.5 KiB
C++
87 lines
3.5 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "MaterialCacheShaders.h"
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#include "MeshPassProcessor.h"
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#include "NaniteSceneProxy.h"
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struct FMaterialCachePrimitiveData;
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struct FNaniteShadingPipeline;
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class FStaticMeshBatch;
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struct FMaterialCacheLayerShadingCSCommand
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{
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FMeshDrawShaderBindings ShaderBindings;
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TShaderRef<FMaterialShader> ComputeShader;
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};
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struct FMaterialCacheMeshDrawCommand
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{
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FMeshDrawCommand Command;
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FCachedMeshDrawCommandInfo CommandInfo;
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};
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class FMaterialCacheMeshProcessor : public FSceneRenderingAllocatorObject<FMaterialCacheMeshProcessor>, public FMeshPassProcessor
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{
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public:
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FMaterialCacheMeshProcessor(const FScene* Scene, ERHIFeatureLevel::Type FeatureLevel, const FGuid& TagGuid, const FSceneView* InViewIfDynamicMeshCommand, const FMeshPassProcessorRenderState& InPassDrawRenderState, FMeshPassDrawListContext* InDrawListContext, const FMaterialRenderProxy* OverrideLayerMaterialProxy);
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/** FMeshPassProcessor */
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virtual void AddMeshBatch(const FMeshBatch& RESTRICT MeshBatch, uint64 BatchElementMask, const FPrimitiveSceneProxy* RESTRICT PrimitiveSceneProxy, int32 StaticMeshId = -1) override final;
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virtual void CollectPSOInitializers(const FSceneTexturesConfig& SceneTexturesConfig, const FMaterial& Material, const FPSOPrecacheVertexFactoryData& VertexFactoryData, const FPSOPrecacheParams& PreCacheParams, TArray<FPSOPrecacheData>& PSOInitializers) override final;
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private:
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bool TryAddMeshBatch(const FMeshBatch& RESTRICT MeshBatch, uint64 BatchElementMask, const FPrimitiveSceneProxy* RESTRICT PrimitiveSceneProxy, int32 StaticMeshId, const FMaterialRenderProxy* MaterialRenderProxy, const FMaterial* Material);
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/** Optional, override layer material for the mesh */
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const FMaterialRenderProxy* OverrideLayerMaterialProxy = nullptr;
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/** Current tag being processed */
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FGuid TagGuid;
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FMeshPassProcessorRenderState PassDrawRenderState;
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};
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class FMaterialCacheMeshPassContext : public FMeshPassDrawListContext
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{
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public:
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/** FMeshPassDrawListContext */
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virtual FMeshDrawCommand& AddCommand(FMeshDrawCommand& Initializer, uint32 NumElements) override;
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virtual void FinalizeCommand(
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const FMeshBatch& MeshBatch, int32 BatchElementIndex, const FMeshDrawCommandPrimitiveIdInfo& IdInfo,
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ERasterizerFillMode MeshFillMode, ERasterizerCullMode MeshCullMode, FMeshDrawCommandSortKey SortKey, EFVisibleMeshDrawCommandFlags Flags,
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const FGraphicsMinimalPipelineStateInitializer& PipelineState, const FMeshProcessorShaders* ShadersForDebugging,
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FMeshDrawCommand& MeshDrawCommand) override;
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/** Compiled command */
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FMaterialCacheMeshDrawCommand Command;
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};
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#if WITH_EDITOR
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/** Check if all materials needed for caching are ready, only relevant for editor */
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extern bool IsMaterialCacheMaterialReady(EShaderPlatform InShaderPlatform, const FPrimitiveSceneProxy* Proxy);
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#endif // WITH_EDITOR
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/** Create a static mesh command with a layer material */
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bool CreateMaterialCacheStaticLayerDrawCommand(
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FScene& Scene,
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const FPrimitiveSceneProxy* Proxy,
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const FMaterialRenderProxy* MaterialRenderProxy,
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const FStaticMeshBatch& MeshBatch,
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const FGuid& TagGuid,
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FMaterialCacheMeshDrawCommand& OutMeshCommand
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);
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/** Create a compute shading command with a layer material */
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template<typename T>
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extern bool CreateMaterialCacheComputeLayerShadingCommand(
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const FScene& Scene,
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const FPrimitiveSceneProxy* SceneProxy,
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const FMaterialRenderProxy* Material,
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bool bAllowDefaultFallback,
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const FGuid& TagGuid,
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FRHICommandListBase& RHICmdList,
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FMaterialCacheLayerShadingCSCommand& OutShadingCommand
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);
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