IESTextureManager.h

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// Copyright Epic Games, Inc. All Rights Reserved.
#pragma once
 
#include "CoreMinimal.h"
#include "RHIDefinitions.h"
#include "RenderGraphDefinitions.h"
 
class FRHITexture;
class UTextureLightProfile;
class FViewInfo;
 
namespace IESAtlas
{
    
// Add an IES light texture to the atlas
RENDERER_API uint32 AddTexture(UTextureLightProfile* IESTexture);
 
// Remove an IES texture from the atlas
RENDERER_API void RemoveTexture(uint32 InSlotId);
 
// Return the atlas texture coordinate for a particular slot
RENDERER_API float GetAtlasSlot(uint32 InSlotId);
 
// Return the atlas texture
RENDERER_API FRHITexture* GetAtlasTexture();
 
// Update the rect light atlas texture
RENDERER_API void UpdateAtlasTexture(FRDGBuilder& GraphBuilder, const FStaticShaderPlatform ShaderPlatform);
 
// Return the rect light atlas debug pass
RENDERER_API void AddDebugPass(FRDGBuilder& GraphBuilder, const FViewInfo& View, FRDGTextureRef OutputTexture);
}