ShaderBaseClasses.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
/*=============================================================================
    ShaderBaseClasses.h: Shader base classes
=============================================================================*/
 
#pragma once
 
#include "CoreMinimal.h"
#include "UniformBuffer.h"
#include "Shader.h"
#include "MeshMaterialShader.h"
 
class FPrimitiveSceneProxy;
struct FMeshBatchElement;
struct FMeshDrawingRenderState;
 
// This was moved out of ScenePrivate.h to workaround MSVC vs clang template issue (it's used in this header file, so needs to be declared earlier)
// Z is the dither fade value (-1 = just fading in, 0 no fade, 1 = just faded out)
// W is unused and zero
BEGIN_GLOBAL_SHADER_PARAMETER_STRUCT(FDistanceCullFadeUniformShaderParameters,)
    SHADER_PARAMETER_EX(FVector2f,FadeTimeScaleBias, EShaderPrecisionModifier::Half)
END_GLOBAL_SHADER_PARAMETER_STRUCT()
 
typedef TUniformBufferRef< FDistanceCullFadeUniformShaderParameters > FDistanceCullFadeUniformBufferRef;
 
BEGIN_GLOBAL_SHADER_PARAMETER_STRUCT(FDitherUniformShaderParameters, )
    SHADER_PARAMETER_EX(float, LODFactor, EShaderPrecisionModifier::Half)
END_GLOBAL_SHADER_PARAMETER_STRUCT()
 
typedef TUniformBufferRef< FDitherUniformShaderParameters > FDitherUniformBufferRef;