BinkShaders.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreMinimal.h"
#include "GlobalShader.h"
#include "HAL/PreprocessorHelpers.h"
#include "Math/Vector4.h"
#include "PipelineStateCache.h"
#include "RHI.h"
#include "RenderResource.h"
#include "Serialization/MemoryLayout.h"
#include "Shader.h"
#include "ShaderParameterMacros.h"
#include "ShaderParameterMetadata.h"
#include "ShaderParameterStruct.h"
#include "ShaderParameterUtils.h"
#include "ShaderPermutation.h"
 
class FPointerTableBase;
class FRDGTexture;
struct FShaderCompilerEnvironment;
 
BEGIN_SHADER_PARAMETER_STRUCT(FBinkParameters, )
    SHADER_PARAMETER_RDG_TEXTURE(Texture2D, tex0)
    SHADER_PARAMETER_RDG_TEXTURE(Texture2D, tex1)
    SHADER_PARAMETER_RDG_TEXTURE(Texture2D, tex2)
    SHADER_PARAMETER_RDG_TEXTURE(Texture2D, tex3)
    SHADER_PARAMETER_RDG_TEXTURE(Texture2D, tex4)
    SHADER_PARAMETER_SAMPLER(SamplerState, samp0)
    SHADER_PARAMETER_SAMPLER(SamplerState, samp1)
    SHADER_PARAMETER_SAMPLER(SamplerState, samp2)
    SHADER_PARAMETER_SAMPLER(SamplerState, samp3)
    SHADER_PARAMETER_SAMPLER(SamplerState, samp4)
    SHADER_PARAMETER(FVector4f, consta)
    SHADER_PARAMETER(FVector4f, crc)
    SHADER_PARAMETER(FVector4f, cbc)
    SHADER_PARAMETER(FVector4f, adj)
    SHADER_PARAMETER(FVector4f, yscale)
    SHADER_PARAMETER(FVector4f, xy_xform0)
    SHADER_PARAMETER(FVector4f, xy_xform1)
    SHADER_PARAMETER(FVector4f, uv_xform0)
    SHADER_PARAMETER(FVector4f, uv_xform1)
    SHADER_PARAMETER(FVector4f, uv_xform2)
    RENDER_TARGET_BINDING_SLOTS()
END_SHADER_PARAMETER_STRUCT()
 
struct FBinkDrawVS : FGlobalShader
{
    DECLARE_EXPORTED_SHADER_TYPE(FBinkDrawVS, Global, RENDERCORE_API);
 
    SHADER_USE_PARAMETER_STRUCT(FBinkDrawVS, FGlobalShader);
 
    static bool ShouldCompilePermutation(const FGlobalShaderPermutationParameters& Parameters) 
    {
        return true;
    }
 
    static void ModifyCompilationEnvironment(const FGlobalShaderPermutationParameters& Parameters, FShaderCompilerEnvironment& OutEnvironment)
    {
    }
 
    BEGIN_SHADER_PARAMETER_STRUCT(FParameters, )
        SHADER_PARAMETER_STRUCT_INCLUDE(FBinkParameters, BinkParameters)
    END_SHADER_PARAMETER_STRUCT()
};
 
struct FBinkDrawYCbCrPS : FGlobalShader
{
    DECLARE_EXPORTED_SHADER_TYPE(FBinkDrawYCbCrPS, Global, RENDERCORE_API);
    SHADER_USE_PARAMETER_STRUCT(FBinkDrawYCbCrPS, FGlobalShader);
 
    class FALPHA    : SHADER_PERMUTATION_BOOL("ALPHA");
    class FSRGB     : SHADER_PERMUTATION_BOOL("SRGB");
 
    using FPermutationDomain = TShaderPermutationDomain<FALPHA, FSRGB>;
 
    static bool ShouldCompilePermutation(const FGlobalShaderPermutationParameters& Parameters) 
    {
        return true;
    }
 
    static void ModifyCompilationEnvironment(const FGlobalShaderPermutationParameters& Parameters, FShaderCompilerEnvironment& OutEnvironment)
    {
    }
 
    BEGIN_SHADER_PARAMETER_STRUCT(FParameters, )
        SHADER_PARAMETER_STRUCT_INCLUDE(FBinkParameters, BinkParameters)
    END_SHADER_PARAMETER_STRUCT()
};
 
struct FBinkDrawICtCpPS : FGlobalShader
{
    DECLARE_EXPORTED_SHADER_TYPE(FBinkDrawICtCpPS, Global, RENDERCORE_API);
    SHADER_USE_PARAMETER_STRUCT(FBinkDrawICtCpPS, FGlobalShader);
 
    class FALPHA    : SHADER_PERMUTATION_BOOL("ALPHA");
    class FTONEMAP  : SHADER_PERMUTATION_BOOL("TONEMAP");
    class FST2084   : SHADER_PERMUTATION_BOOL("ST2084");
 
    using FPermutationDomain = TShaderPermutationDomain<FALPHA, FTONEMAP, FST2084>;
 
    static bool ShouldCompilePermutation(const FGlobalShaderPermutationParameters& Parameters) 
    {
        return true;
    }
 
    static void ModifyCompilationEnvironment(const FGlobalShaderPermutationParameters& Parameters, FShaderCompilerEnvironment& OutEnvironment)
    {
    }
 
    BEGIN_SHADER_PARAMETER_STRUCT(FParameters, )
        SHADER_PARAMETER_STRUCT_INCLUDE(FBinkParameters, BinkParameters)
    END_SHADER_PARAMETER_STRUCT()
};