53 lines
1.6 KiB
C++
53 lines
1.6 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "CoreMinimal.h"
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#include "Textures/SlateShaderResource.h"
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#include "RenderResource.h"
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#include "RenderDeferredCleanup.h"
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/**
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* Handle to resources used for post processing. This should not be deleted manually because it implements FDeferredCleanupInterface
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*/
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class FSlatePostProcessResource : public FSlateShaderResource, public FRenderResource, private FDeferredCleanupInterface
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{
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public:
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FSlatePostProcessResource(int32 InRenderTargetCount);
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~FSlatePostProcessResource();
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const FTextureRHIRef& GetRenderTarget(int32 Index)
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{
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return RenderTargets[Index];
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}
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/** Performs per frame updates to this resource */
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void Update(const FIntPoint& NewSize, EPixelFormat RequestedPixelFormat);
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void CleanUp();
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/** FRenderResource interface */
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virtual void InitRHI(FRHICommandListBase& RHICmdList) override;
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virtual void ReleaseRHI() override;
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/** FSlateShaderResource interface */
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virtual uint32 GetWidth() const override { return RenderTargetSize.X; }
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virtual uint32 GetHeight() const override { return RenderTargetSize.Y; }
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virtual ESlateShaderResource::Type GetType() const override { return ESlateShaderResource::PostProcess; }
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EPixelFormat GetPixelFormat() const { return PixelFormat; }
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uint64 GetFrameUsed() { return FrameUsed; }
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private:
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/** Resizes targets to the new size */
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void ResizeTargets(const FIntPoint& NewSize, EPixelFormat RequestedPixelFormat);
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private:
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TArray<FTextureRHIRef, TInlineAllocator<2>> RenderTargets;
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EPixelFormat PixelFormat;
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FIntPoint RenderTargetSize;
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int32 RenderTargetCount;
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uint64 FrameUsed;
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};
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