Slate3DRenderer.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreMinimal.h"
#include "Rendering/SlateRenderer.h"
#include "Interfaces/ISlate3DRenderer.h"
#include "SlateRHIResourceManager.h"
#include "Rendering/SlateDrawBuffer.h"
#include "RenderDeferredCleanup.h"
#include "SlateRHIRenderingPolicy.h"
 
class FSlateElementBatcher;
class FTextureRenderTarget2DResource;
 
class FSlate3DRenderer : public ISlate3DRenderer, public FDeferredCleanupInterface
{
public:
    FSlate3DRenderer( TSharedRef<FSlateFontServices> InSlateFontServices, TSharedRef<FSlateRHIResourceManager> InResourceManager, bool bUseGammaCorrection = false );
 
    void Cleanup();
 
    virtual void SetUseGammaCorrection(bool bUseGammaCorrection) override;
    virtual void SetApplyColorDeficiencyCorrection(bool bApplyColorCorrection) override;
 
    virtual FSlateDrawBuffer& AcquireDrawBuffer() override;
    virtual void ReleaseDrawBuffer(FSlateDrawBuffer& DrawBuffer) override;
    virtual void DrawWindow_GameThread(FSlateDrawBuffer& DrawBuffer) override;
    virtual void DrawWindowToTarget_RenderThread(FRDGBuilder& GraphBuilder, const struct FRenderThreadUpdateContext& Context) override;
 
private:
 
    static const int32 NUM_DRAW_BUFFERS = 4;
    FSlateDrawBuffer DrawBuffers[NUM_DRAW_BUFFERS];
 
    TSharedRef<FSlateFontServices> SlateFontServices;
 
    TSharedRef<FSlateRHIResourceManager> ResourceManager;
 
    TSharedPtr<class FSlateRHIRenderingPolicy> RenderTargetPolicy;
 
    TUniquePtr<FSlateElementBatcher> ElementBatcher;
 
    uint8 FreeBufferIndex;
 
    bool bRenderTargetWasCleared = false;
 
    bool bAllowColorDeficiencyCorrection = true;
    bool bGammaCorrection;
};