You've already forked UnrealEngineUWP
mirror of
https://github.com/izzy2lost/UnrealEngineUWP.git
synced 2026-03-26 18:15:20 -07:00
2b4ae7c654
#rb none #preflight https://horde.devtools.epicgames.com/job/6419a9763f3d31c94af55d4d [CL 24730842 by Sebastien Hillaire in ue5-main branch]
61 lines
2.3 KiB
C++
61 lines
2.3 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
|
|
|
|
/*=============================================================================
|
|
DepthCopy.cpp: Depth rendering implementation.
|
|
=============================================================================*/
|
|
|
|
#include "DepthCopy.h"
|
|
#include "ScenePrivate.h"
|
|
#include "DataDrivenShaderPlatformInfo.h"
|
|
|
|
class FViewDepthCopyCS : public FGlobalShader
|
|
{
|
|
DECLARE_GLOBAL_SHADER(FViewDepthCopyCS)
|
|
SHADER_USE_PARAMETER_STRUCT(FViewDepthCopyCS, FGlobalShader)
|
|
|
|
BEGIN_SHADER_PARAMETER_STRUCT(FParameters, )
|
|
SHADER_PARAMETER_RDG_TEXTURE(Texture2D, SceneDepthTexture)
|
|
SHADER_PARAMETER_RDG_TEXTURE_UAV(RWTexture2D<float3>, RWDepthTexture)
|
|
SHADER_PARAMETER_STRUCT_REF(FViewUniformShaderParameters, View)
|
|
END_SHADER_PARAMETER_STRUCT()
|
|
|
|
using FPermutationDomain = TShaderPermutationDomain<>;
|
|
|
|
static bool ShouldCompilePermutation(const FGlobalShaderPermutationParameters& Parameters)
|
|
{
|
|
return IsFeatureLevelSupported(Parameters.Platform, ERHIFeatureLevel::SM5);
|
|
}
|
|
|
|
static int32 GetGroupSize()
|
|
{
|
|
return 8;
|
|
}
|
|
|
|
static void ModifyCompilationEnvironment(const FGlobalShaderPermutationParameters& Parameters, FShaderCompilerEnvironment& OutEnvironment)
|
|
{
|
|
FGlobalShader::ModifyCompilationEnvironment(Parameters, OutEnvironment);
|
|
OutEnvironment.SetDefine(TEXT("THREADGROUP_SIZE"), GetGroupSize());
|
|
}
|
|
};
|
|
|
|
IMPLEMENT_GLOBAL_SHADER(FViewDepthCopyCS, "/Engine/Private/CopyDepthTextureCS.usf", "CopyDepthCS", SF_Compute);
|
|
|
|
void AddViewDepthCopyCSPass(FRDGBuilder& GraphBuilder, FViewInfo& View, FRDGTextureRef SourceSceneDepthTexture, FRDGTextureRef DestinationDepthTexture)
|
|
{
|
|
FViewDepthCopyCS::FPermutationDomain PermutationVector;
|
|
auto ComputeShader = View.ShaderMap->GetShader<FViewDepthCopyCS>(PermutationVector);
|
|
|
|
FViewDepthCopyCS::FParameters* PassParameters = GraphBuilder.AllocParameters<FViewDepthCopyCS::FParameters>();
|
|
PassParameters->RWDepthTexture = GraphBuilder.CreateUAV(FRDGTextureUAVDesc(DestinationDepthTexture));
|
|
PassParameters->View = View.ViewUniformBuffer;
|
|
PassParameters->SceneDepthTexture = SourceSceneDepthTexture;
|
|
|
|
FComputeShaderUtils::AddPass(
|
|
GraphBuilder,
|
|
RDG_EVENT_NAME("CopyViewDepthCS"),
|
|
ComputeShader,
|
|
PassParameters,
|
|
FComputeShaderUtils::GetGroupCount(View.ViewRect.Size(), FViewDepthCopyCS::GetGroupSize()));
|
|
}
|
|
|