TextureRenderTargetVolumeResource.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreMinimal.h"
#include "TextureResource.h"
 
class FTextureRenderTargetVolumeResource : public FTextureRenderTargetResource
{
    friend class UTextureRenderTargetVolume;
public:
 
    FTextureRenderTargetVolumeResource(const class UTextureRenderTargetVolume* InOwner)
        : Owner(InOwner)
    {
    }
 
    virtual class FTextureRenderTargetVolumeResource* GetTextureRenderTargetVolumeResource()
    {
        return this;
    }
 
    virtual void InitRHI(FRHICommandListBase& RHICmdList) override;
 
    virtual void ReleaseRHI() override;
 
    // FRenderTarget interface.
 
    // FTexture interface :
    virtual uint32 GetSizeX() const override;
    virtual uint32 GetSizeY() const override;
    virtual uint32 GetSizeZ() const override;
 
    // FRenderTarget interface: 
    virtual FIntPoint GetSizeXY() const override;
 
    FUnorderedAccessViewRHIRef GetUnorderedAccessViewRHI() { return UnorderedAccessViewRHI; }
 
    float GetDisplayGamma() const override;
 
    virtual bool ReadPixels(TArray<FColor>& OutImageData, FReadSurfaceDataFlags InFlags = FReadSurfaceDataFlags(RCM_UNorm, CubeFace_MAX), FIntRect InSrcRect = FIntRect(0, 0, 0, 0)) override;
 
    virtual bool ReadFloat16Pixels(TArray<FFloat16Color>& OutImageData, FReadSurfaceDataFlags InFlags = FReadSurfaceDataFlags(RCM_UNorm, CubeFace_MAX), FIntRect InSrcRect = FIntRect(0, 0, 0, 0)) override;
 
    virtual bool ReadLinearColorPixels(TArray<FLinearColor>& OutImageData, FReadSurfaceDataFlags InFlags = FReadSurfaceDataFlags(RCM_UNorm, CubeFace_MAX), FIntRect InSrcRect = FIntRect(0, 0, 0, 0)) override;
 
    UE_DEPRECATED(5.4, "Use FRenderTarget's ReadPixels, which is functionally equivalent")
    ENGINE_API bool ReadPixels(TArray<FColor>& OutImageData, int32 InDepthSlice, FIntRect InRect = FIntRect(0, 0, 0, 0));
 
    UE_DEPRECATED(5.4, "Use FRenderTarget's ReadFloat16Pixels, which is functionally equivalent")
    ENGINE_API bool ReadPixels(TArray<FFloat16Color>& OutImageData, int32 InDepthSlice, FIntRect InRect = FIntRect(0, 0, 0, 0));
 
protected:
    virtual void UpdateDeferredResource(FRHICommandListImmediate& RHICmdList, bool bClearRenderTarget = true) override;
 
private:
    const class UTextureRenderTargetVolume* Owner;
 
    UE_DEPRECATED(5.1, "RenderTargetVolumeRHI has been deprecated. Use RenderTargetTextureRHI instead.")
    FTextureRHIRef RenderTargetVolumeRHI;
    UE_DEPRECATED(5.1, "TextureVolumeRHI has been deprecated. Use TextureRHI instead.")
    FTextureRHIRef TextureVolumeRHI;
 
    FUnorderedAccessViewRHIRef UnorderedAccessViewRHI;
};