AnisotropyRendering.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreMinimal.h"
#include "RHI.h"
#include "RendererInterface.h"
#include "MeshPassProcessor.h"
 
class FScene;
 
class FAnisotropyMeshProcessor : public FSceneRenderingAllocatorObject<FAnisotropyMeshProcessor>, public FMeshPassProcessor
{
public:
    FAnisotropyMeshProcessor(
        const FScene* Scene,
        ERHIFeatureLevel::Type InFeatureLevel,
        const FSceneView* InViewIfDynamicMeshCommand,
        const FMeshPassProcessorRenderState& InPassDrawRenderState,
        FMeshPassDrawListContext* InDrawListContext
        );
 
    FMeshPassProcessorRenderState PassDrawRenderState;
 
    virtual void AddMeshBatch(
        const FMeshBatch& RESTRICT MeshBatch,
        uint64 BatchElementMask,
        const FPrimitiveSceneProxy* RESTRICT PrimitiveSceneProxy,
        int32 StaticMeshId = -1
        ) override final;
 
    virtual void CollectPSOInitializers(
        const FSceneTexturesConfig& SceneTexturesConfig,
        const FMaterial& Material,
        const FPSOPrecacheVertexFactoryData& VertexFactoryData,
        const FPSOPrecacheParams& PreCacheParams, 
        TArray<FPSOPrecacheData>& PSOInitializers) override final;
 
protected:
    bool TryAddMeshBatch(
        const FMeshBatch& RESTRICT MeshBatch,
        uint64 BatchElementMask,
        const FPrimitiveSceneProxy* RESTRICT PrimitiveSceneProxy,
        int32 StaticMeshId,
        const FMaterialRenderProxy& MaterialRenderProxy,
        const FMaterial& Material);
 
    bool Process(
        const FMeshBatch& MeshBatch,
        uint64 BatchElementMask,
        int32 StaticMeshId,
        const FPrimitiveSceneProxy* RESTRICT PrimitiveSceneProxy,
        const FMaterialRenderProxy& RESTRICT MaterialRenderProxy,
        const FMaterial& RESTRICT MaterialResource,
        ERasterizerFillMode MeshFillMode,
        ERasterizerCullMode MeshCullMode
        );
};
 
bool ShouldRenderAnisotropicLighting(const FViewInfo& View);
bool ShouldRenderAnisotropyPass(const FViewInfo& View);
bool ShouldRenderAnisotropyPass(TArrayView<FViewInfo> Views);