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5b65c180e0
#rb none #preflight 635f2ce1e27df24a3f713d4b [CL 22856412 by Dmitriy Dyomin in ue5-main branch]
73 lines
3.4 KiB
C++
73 lines
3.4 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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/*=============================================================================
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MobileSeparateTranslucencyPass.cpp - Mobile specific separate translucency pass
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=============================================================================*/
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#include "MobileSeparateTranslucencyPass.h"
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#include "TranslucentRendering.h"
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#include "DynamicPrimitiveDrawing.h"
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#include "MobileBasePassRendering.h"
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#include "ScenePrivate.h"
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BEGIN_SHADER_PARAMETER_STRUCT(FMobileSeparateTranslucencyPassParameters, )
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SHADER_PARAMETER_STRUCT_REF(FViewUniformShaderParameters, View)
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SHADER_PARAMETER_RDG_UNIFORM_BUFFER(FMobileBasePassUniformParameters, MobileBasePass)
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SHADER_PARAMETER_STRUCT_INCLUDE(FInstanceCullingDrawParams, InstanceCullingDrawParams)
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RENDER_TARGET_BINDING_SLOTS()
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END_SHADER_PARAMETER_STRUCT()
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bool IsMobileSeparateTranslucencyActive(const FViewInfo* Views, int32 NumViews)
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{
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for (int32 ViewIdx = 0; ViewIdx < NumViews; ++ViewIdx)
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{
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if (IsMobileSeparateTranslucencyActive(Views[ViewIdx]))
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{
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return true;
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}
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}
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return false;
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}
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bool IsMobileSeparateTranslucencyActive(const FViewInfo& View)
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{
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return View.ParallelMeshDrawCommandPasses[EMeshPass::TranslucencyAfterDOF].HasAnyDraw();
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}
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void AddMobileSeparateTranslucencyPass(FRDGBuilder& GraphBuilder, FScene* Scene, const FViewInfo& View, const FMobileSeparateTranslucencyInputs& Inputs)
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{
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// Whether BasePass uses single pass rendering with framebuffer fetch
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const bool bSinglePassRendering = !Inputs.bRequiresMultiPass;
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FMobileSeparateTranslucencyPassParameters* PassParameters = GraphBuilder.AllocParameters<FMobileSeparateTranslucencyPassParameters>();
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PassParameters->RenderTargets[0] = FRenderTargetBinding(Inputs.SceneColor.Texture, ERenderTargetLoadAction::ELoad);
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if (bSinglePassRendering)
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{
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if (MobileRequiresSceneDepthAux(View.GetShaderPlatform()))
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{
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PassParameters->RenderTargets[1] = FRenderTargetBinding(Inputs.SceneDepthAux.Texture, ERenderTargetLoadAction::ELoad);
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}
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PassParameters->RenderTargets.SubpassHint = ESubpassHint::DepthReadSubpass;
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}
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PassParameters->RenderTargets.DepthStencil = FDepthStencilBinding(Inputs.SceneDepth.Texture, ERenderTargetLoadAction::ELoad, ERenderTargetLoadAction::ELoad, FExclusiveDepthStencil::DepthRead_StencilRead);
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PassParameters->View = View.ViewUniformBuffer;
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EMobileSceneTextureSetupMode SetupMode = EMobileSceneTextureSetupMode::SceneDepth | EMobileSceneTextureSetupMode::SceneDepthAux | EMobileSceneTextureSetupMode::CustomDepth;
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PassParameters->MobileBasePass = CreateMobileBasePassUniformBuffer(GraphBuilder, View, EMobileBasePass::Translucent, SetupMode);
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const_cast<FViewInfo&>(View).ParallelMeshDrawCommandPasses[EMeshPass::TranslucencyAfterDOF].BuildRenderingCommands(GraphBuilder, Scene->GPUScene, PassParameters->InstanceCullingDrawParams);
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GraphBuilder.AddPass(
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RDG_EVENT_NAME("SeparateTranslucency %dx%d", View.ViewRect.Width(), View.ViewRect.Height()),
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PassParameters,
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ERDGPassFlags::Raster,
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[&View, PassParameters, bSinglePassRendering](FRHICommandList& RHICmdList)
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{
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if (bSinglePassRendering)
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{
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RHICmdList.NextSubpass();
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}
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// Set the view family's render target/viewport.
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RHICmdList.SetViewport(View.ViewRect.Min.X, View.ViewRect.Min.Y, 0.0f, View.ViewRect.Max.X, View.ViewRect.Max.Y, 1.0f);
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View.ParallelMeshDrawCommandPasses[EMeshPass::TranslucencyAfterDOF].DispatchDraw(nullptr, RHICmdList, &PassParameters->InstanceCullingDrawParams);
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});
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} |