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640 lines
22 KiB
C++
640 lines
22 KiB
C++
// Copyright 1998-2014 Epic Games, Inc. All Rights Reserved.
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/*=============================================================================
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PostProcessTemporalAA.cpp: Post process MotionBlur implementation.
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=============================================================================*/
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#include "RendererPrivate.h"
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#include "ScenePrivate.h"
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#include "SceneFilterRendering.h"
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#include "PostProcessTemporalAA.h"
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#include "PostProcessAmbientOcclusion.h"
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#include "PostProcessTonemap.h"
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#include "PostProcessing.h"
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#include "SceneUtils.h"
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static float TemporalHalton( int32 Index, int32 Base )
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{
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float Result = 0.0f;
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float InvBase = 1.0f / Base;
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float Fraction = InvBase;
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while( Index > 0 )
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{
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Result += ( Index % Base ) * Fraction;
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Index /= Base;
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Fraction *= InvBase;
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}
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return Result;
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}
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static void TemporalRandom(FVector2D* RESTRICT const Constant, uint32 FrameNumber)
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{
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Constant->X = TemporalHalton(FrameNumber & 1023, 2);
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Constant->Y = TemporalHalton(FrameNumber & 1023, 3);
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}
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static TAutoConsoleVariable<float> CVarTemporalAASharpness(
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TEXT("r.TemporalAASharpness"),
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0.0f,
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TEXT("Sharpness of temporal AA (0.0 = smoother, 1.0 = sharper)."),
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ECVF_Scalability | ECVF_RenderThreadSafe);
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/** Encapsulates a TemporalAA pixel shader. */
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template< uint32 Type, uint32 Responsive >
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class FPostProcessTemporalAAPS : public FGlobalShader
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{
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DECLARE_SHADER_TYPE(FPostProcessTemporalAAPS, Global);
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static bool ShouldCache(EShaderPlatform Platform)
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{
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return IsFeatureLevelSupported(Platform, ERHIFeatureLevel::SM4);
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}
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static void ModifyCompilationEnvironment(EShaderPlatform Platform, FShaderCompilerEnvironment& OutEnvironment)
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{
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FGlobalShader::ModifyCompilationEnvironment(Platform, OutEnvironment);
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OutEnvironment.SetDefine( TEXT("RESPONSIVE"), Responsive );
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}
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/** Default constructor. */
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FPostProcessTemporalAAPS() {}
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public:
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FPostProcessPassParameters PostprocessParameter;
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FDeferredPixelShaderParameters DeferredParameters;
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FShaderParameter SampleWeights;
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FShaderParameter LowpassWeights;
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FCameraMotionParameters CameraMotionParams;
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FShaderParameter RandomOffset;
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/** Initialization constructor. */
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FPostProcessTemporalAAPS(const ShaderMetaType::CompiledShaderInitializerType& Initializer)
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: FGlobalShader(Initializer)
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{
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PostprocessParameter.Bind(Initializer.ParameterMap);
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DeferredParameters.Bind(Initializer.ParameterMap);
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SampleWeights.Bind(Initializer.ParameterMap, TEXT("SampleWeights"));
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LowpassWeights.Bind(Initializer.ParameterMap, TEXT("LowpassWeights"));
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CameraMotionParams.Bind(Initializer.ParameterMap);
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RandomOffset.Bind(Initializer.ParameterMap, TEXT("RandomOffset"));
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}
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// FShader interface.
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virtual bool Serialize(FArchive& Ar)
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{
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bool bShaderHasOutdatedParameters = FGlobalShader::Serialize(Ar);
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Ar << PostprocessParameter << DeferredParameters << SampleWeights << LowpassWeights << CameraMotionParams << RandomOffset;
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return bShaderHasOutdatedParameters;
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}
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void SetParameters(const FRenderingCompositePassContext& Context)
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{
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const FPixelShaderRHIParamRef ShaderRHI = GetPixelShader();
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FGlobalShader::SetParameters(Context.RHICmdList, ShaderRHI, Context.View);
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FSamplerStateRHIParamRef FilterTable[4];
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FilterTable[0] = TStaticSamplerState<SF_Point,AM_Clamp,AM_Clamp,AM_Clamp>::GetRHI();
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FilterTable[1] = TStaticSamplerState<SF_Bilinear,AM_Clamp,AM_Clamp,AM_Clamp>::GetRHI();
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FilterTable[2] = FilterTable[0];
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FilterTable[3] = FilterTable[0];
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PostprocessParameter.SetPS(ShaderRHI, Context, 0, false, FilterTable);
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DeferredParameters.Set(Context.RHICmdList, ShaderRHI, Context.View);
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FSceneViewState* ViewState = (FSceneViewState*)Context.View.State;
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float JitterX = Context.View.TemporalJitterPixelsX * 0.5f;
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float JitterY = Context.View.TemporalJitterPixelsY * -0.5f;
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{
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const FPooledRenderTargetDesc* InputDesc = Context.Pass->GetInputDesc(ePId_Input0);
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const FIntPoint ViewportSize = Context.GetViewport().Size();
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const float Width = ViewportSize.X;
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const float Height = ViewportSize.Y;
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static const float SampleOffsets[9][2] =
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{
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{ -1.0f, -1.0f },
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{ 0.0f, -1.0f },
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{ 1.0f, -1.0f },
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{ -1.0f, 0.0f },
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{ 0.0f, 0.0f },
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{ 1.0f, 0.0f },
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{ -1.0f, 1.0f },
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{ 0.0f, 1.0f },
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{ 1.0f, 1.0f },
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};
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float Sharpness = CVarTemporalAASharpness.GetValueOnRenderThread();
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// With the new temporal AA, need to hardcode a value here.
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// Going to remove this once the new temporal AA is validated.
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Sharpness = -0.25f;
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Sharpness = 1.0f + Sharpness * 0.5f;
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float Weights[9];
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float WeightsLow[9];
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float TotalWeight = 0.0f;
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float TotalWeightLow = 0.0f;
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for( int32 i = 0; i < 9; i++ )
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{
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// Exponential fit to Blackman-Harris 3.3
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float PixelOffsetX = SampleOffsets[i][0] - JitterX;
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float PixelOffsetY = SampleOffsets[i][1] - JitterY;
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PixelOffsetX *= Sharpness;
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PixelOffsetY *= Sharpness;
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Weights[i] = FMath::Exp( -2.29f * ( PixelOffsetX * PixelOffsetX + PixelOffsetY * PixelOffsetY ) );
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TotalWeight += Weights[i];
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// Lowpass.
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PixelOffsetX = SampleOffsets[i][0] - JitterX;
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PixelOffsetY = SampleOffsets[i][1] - JitterY;
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PixelOffsetX *= 0.25f;
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PixelOffsetY *= 0.25f;
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PixelOffsetX *= Sharpness;
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PixelOffsetY *= Sharpness;
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WeightsLow[i] = FMath::Exp( -2.29f * ( PixelOffsetX * PixelOffsetX + PixelOffsetY * PixelOffsetY ) );
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TotalWeightLow += WeightsLow[i];
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}
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for( int32 i = 0; i < 9; i++ )
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{
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SetShaderValue(Context.RHICmdList, ShaderRHI, SampleWeights, Weights[i] / TotalWeight, i );
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SetShaderValue(Context.RHICmdList, ShaderRHI, LowpassWeights, WeightsLow[i] / TotalWeightLow, i );
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}
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FVector2D RandomOffsetValue;
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TemporalRandom(&RandomOffsetValue, Context.View.FrameNumber);
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SetShaderValue(Context.RHICmdList, ShaderRHI, RandomOffset, RandomOffsetValue);
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}
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CameraMotionParams.Set(Context.RHICmdList, Context.View, ShaderRHI);
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}
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};
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// Typedef is necessary because the C preprocessor thinks the comma in the template parameter list is a comma in the macro parameter list.
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#define IMPLEMENT_TEMPORALAA_PIXELSHADER_TYPE(A, B, EntryName) \
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typedef FPostProcessTemporalAAPS<A,B> FPostProcessTemporalAAPS##A##B; \
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IMPLEMENT_SHADER_TYPE(template<>,FPostProcessTemporalAAPS##A##B,TEXT("PostProcessTemporalAA"),EntryName,SF_Pixel);
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IMPLEMENT_TEMPORALAA_PIXELSHADER_TYPE(0, 0, TEXT("DOFTemporalAAPS"));
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IMPLEMENT_TEMPORALAA_PIXELSHADER_TYPE(1, 0, TEXT("MainTemporalAAPS"));
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IMPLEMENT_TEMPORALAA_PIXELSHADER_TYPE(1, 1, TEXT("MainTemporalAAPS"));
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IMPLEMENT_TEMPORALAA_PIXELSHADER_TYPE(2, 0, TEXT("SSRTemporalAAPS"));
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IMPLEMENT_TEMPORALAA_PIXELSHADER_TYPE(3, 0, TEXT("LightShaftTemporalAAPS"));
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IMPLEMENT_TEMPORALAA_PIXELSHADER_TYPE(4, 0, TEXT("MainFastTemporalAAPS"));
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IMPLEMENT_TEMPORALAA_PIXELSHADER_TYPE(4, 1, TEXT("MainFastTemporalAAPS"));
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void FRCPassPostProcessSSRTemporalAA::Process(FRenderingCompositePassContext& Context)
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{
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SCOPED_DRAW_EVENT(SSRTemporalAA, DEC_SCENE_ITEMS);
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const FPooledRenderTargetDesc* InputDesc = GetInputDesc(ePId_Input0);
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if(!InputDesc)
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{
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// input is not hooked up correctly
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return;
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}
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const FViewInfo& View = Context.View;
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FIntPoint TexSize = InputDesc->Extent;
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// we assume the input and output is full resolution
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FIntPoint SrcSize = InputDesc->Extent;
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// e.g. 4 means the input texture is 4x smaller than the buffer size
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uint32 ScaleFactor = GSceneRenderTargets.GetBufferSizeXY().X / SrcSize.X;
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FIntRect SrcRect = View.ViewRect / ScaleFactor;
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const FSceneRenderTargetItem& DestRenderTarget = PassOutputs[0].RequestSurface(Context);
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SetRenderTarget(Context.RHICmdList, DestRenderTarget.TargetableTexture, FTextureRHIRef());
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// is optimized away if possible (RT size=view size, )
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Context.RHICmdList.Clear(true, FLinearColor::Black, false, 1.0f, false, 0, SrcRect);
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Context.SetViewportAndCallRHI(SrcRect);
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// set the state
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Context.RHICmdList.SetBlendState(TStaticBlendState<>::GetRHI());
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Context.RHICmdList.SetRasterizerState(TStaticRasterizerState<>::GetRHI());
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Context.RHICmdList.SetDepthStencilState(TStaticDepthStencilState<false,CF_Always>::GetRHI());
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TShaderMapRef< FPostProcessTonemapVS > VertexShader( GetGlobalShaderMap() );
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TShaderMapRef< FPostProcessTemporalAAPS<2,0> > PixelShader( GetGlobalShaderMap() );
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static FGlobalBoundShaderState BoundShaderState;
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SetGlobalBoundShaderState(Context.RHICmdList, Context.GetFeatureLevel(), BoundShaderState, GFilterVertexDeclaration.VertexDeclarationRHI, *VertexShader, *PixelShader);
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VertexShader->SetVS(Context);
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PixelShader->SetParameters(Context);
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// Draw a quad mapping scene color to the view's render target
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DrawRectangle(
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Context.RHICmdList,
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0, 0,
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SrcRect.Width(), SrcRect.Height(),
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SrcRect.Min.X, SrcRect.Min.Y,
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SrcRect.Width(), SrcRect.Height(),
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SrcRect.Size(),
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SrcSize,
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*VertexShader,
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EDRF_UseTriangleOptimization);
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Context.RHICmdList.CopyToResolveTarget(DestRenderTarget.TargetableTexture, DestRenderTarget.ShaderResourceTexture, false, FResolveParams());
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}
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FPooledRenderTargetDesc FRCPassPostProcessSSRTemporalAA::ComputeOutputDesc(EPassOutputId InPassOutputId) const
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{
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FPooledRenderTargetDesc Ret = PassInputs[0].GetOutput()->RenderTargetDesc;
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Ret.DebugName = TEXT("SSRTemporalAA");
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return Ret;
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}
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void FRCPassPostProcessDOFTemporalAA::Process(FRenderingCompositePassContext& Context)
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{
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SCOPED_DRAW_EVENT(DOFTemporalAA, DEC_SCENE_ITEMS);
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const FPooledRenderTargetDesc* InputDesc = GetInputDesc(ePId_Input0);
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if(!InputDesc)
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{
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// input is not hooked up correctly
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return;
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}
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const FViewInfo& View = Context.View;
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FSceneViewState* ViewState = Context.ViewState;
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FIntPoint TexSize = InputDesc->Extent;
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// we assume the input and output is full resolution
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FIntPoint SrcSize = InputDesc->Extent;
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FIntPoint DestSize = PassOutputs[0].RenderTargetDesc.Extent;
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// e.g. 4 means the input texture is 4x smaller than the buffer size
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uint32 ScaleFactor = GSceneRenderTargets.GetBufferSizeXY().X / SrcSize.X;
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FIntRect SrcRect = View.ViewRect / ScaleFactor;
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FIntRect DestRect = SrcRect;
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const FSceneRenderTargetItem& DestRenderTarget = PassOutputs[0].RequestSurface(Context);
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SetRenderTarget(Context.RHICmdList, DestRenderTarget.TargetableTexture, FTextureRHIRef());
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// is optimized away if possible (RT size=view size, )
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Context.RHICmdList.Clear(true, FLinearColor::Black, false, 1.0f, false, 0, SrcRect);
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Context.SetViewportAndCallRHI(SrcRect);
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// set the state
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Context.RHICmdList.SetBlendState(TStaticBlendState<>::GetRHI());
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Context.RHICmdList.SetRasterizerState(TStaticRasterizerState<>::GetRHI());
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Context.RHICmdList.SetDepthStencilState(TStaticDepthStencilState<false,CF_Always>::GetRHI());
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TShaderMapRef< FPostProcessTonemapVS > VertexShader( GetGlobalShaderMap() );
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TShaderMapRef< FPostProcessTemporalAAPS<0,0> > PixelShader( GetGlobalShaderMap() );
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static FGlobalBoundShaderState BoundShaderState;
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SetGlobalBoundShaderState(Context.RHICmdList, Context.GetFeatureLevel(), BoundShaderState, GFilterVertexDeclaration.VertexDeclarationRHI, *VertexShader, *PixelShader);
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VertexShader->SetVS(Context);
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PixelShader->SetParameters(Context);
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// Draw a quad mapping scene color to the view's render target
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DrawRectangle(
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Context.RHICmdList,
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0, 0,
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SrcRect.Width(), SrcRect.Height(),
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SrcRect.Min.X, SrcRect.Min.Y,
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SrcRect.Width(), SrcRect.Height(),
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SrcRect.Size(),
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SrcSize,
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*VertexShader,
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EDRF_UseTriangleOptimization);
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Context.RHICmdList.CopyToResolveTarget(DestRenderTarget.TargetableTexture, DestRenderTarget.ShaderResourceTexture, false, FResolveParams());
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ViewState->DOFHistoryRT = PassOutputs[0].PooledRenderTarget;
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check( ViewState->DOFHistoryRT );
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}
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FPooledRenderTargetDesc FRCPassPostProcessDOFTemporalAA::ComputeOutputDesc(EPassOutputId InPassOutputId) const
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{
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FPooledRenderTargetDesc Ret = PassInputs[0].GetOutput()->RenderTargetDesc;
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Ret.DebugName = TEXT("BokehDOFTemporalAA");
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return Ret;
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}
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void FRCPassPostProcessLightShaftTemporalAA::Process(FRenderingCompositePassContext& Context)
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{
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const FPooledRenderTargetDesc* InputDesc = GetInputDesc(ePId_Input0);
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if(!InputDesc)
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{
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// input is not hooked up correctly
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return;
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}
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SCOPED_DRAW_EVENT(LSTemporalAA, DEC_SCENE_ITEMS);
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const FViewInfo& View = Context.View;
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FSceneViewState* ViewState = Context.ViewState;
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FIntPoint TexSize = InputDesc->Extent;
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// we assume the input and output is full resolution
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FIntPoint SrcSize = InputDesc->Extent;
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FIntPoint DestSize = PassOutputs[0].RenderTargetDesc.Extent;
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// e.g. 4 means the input texture is 4x smaller than the buffer size
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uint32 ScaleFactor = GSceneRenderTargets.GetBufferSizeXY().X / SrcSize.X;
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FIntRect SrcRect = View.ViewRect / ScaleFactor;
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FIntRect DestRect = SrcRect;
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const FSceneRenderTargetItem& DestRenderTarget = PassOutputs[0].RequestSurface(Context);
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SetRenderTarget(Context.RHICmdList, DestRenderTarget.TargetableTexture, FTextureRHIRef());
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// is optimized away if possible (RT size=view size, )
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Context.RHICmdList.Clear(true, FLinearColor::Black, false, 1.0f, false, 0, SrcRect);
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Context.SetViewportAndCallRHI(SrcRect);
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// set the state
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Context.RHICmdList.SetBlendState(TStaticBlendState<>::GetRHI());
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Context.RHICmdList.SetRasterizerState(TStaticRasterizerState<>::GetRHI());
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Context.RHICmdList.SetDepthStencilState(TStaticDepthStencilState<false,CF_Always>::GetRHI());
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TShaderMapRef< FPostProcessTonemapVS > VertexShader( GetGlobalShaderMap() );
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TShaderMapRef< FPostProcessTemporalAAPS<3,0> > PixelShader( GetGlobalShaderMap() );
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static FGlobalBoundShaderState BoundShaderState;
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SetGlobalBoundShaderState(Context.RHICmdList, Context.GetFeatureLevel(), BoundShaderState, GFilterVertexDeclaration.VertexDeclarationRHI, *VertexShader, *PixelShader);
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VertexShader->SetVS(Context);
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PixelShader->SetParameters(Context);
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// Draw a quad mapping scene color to the view's render target
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DrawRectangle(
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Context.RHICmdList,
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0, 0,
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SrcRect.Width(), SrcRect.Height(),
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SrcRect.Min.X, SrcRect.Min.Y,
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SrcRect.Width(), SrcRect.Height(),
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SrcRect.Size(),
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SrcSize,
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*VertexShader,
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EDRF_UseTriangleOptimization);
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Context.RHICmdList.CopyToResolveTarget(DestRenderTarget.TargetableTexture, DestRenderTarget.ShaderResourceTexture, false, FResolveParams());
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}
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FPooledRenderTargetDesc FRCPassPostProcessLightShaftTemporalAA::ComputeOutputDesc(EPassOutputId InPassOutputId) const
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{
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FPooledRenderTargetDesc Ret = PassInputs[0].GetOutput()->RenderTargetDesc;
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Ret.DebugName = TEXT("LightShaftTemporalAA");
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return Ret;
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}
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void FRCPassPostProcessTemporalAA::Process(FRenderingCompositePassContext& Context)
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{
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SCOPED_DRAW_EVENT(TemporalAA, DEC_SCENE_ITEMS);
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const FPooledRenderTargetDesc* InputDesc = GetInputDesc(ePId_Input0);
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if(!InputDesc)
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{
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// input is not hooked up correctly
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return;
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}
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FViewInfo& View = Context.View;
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FSceneViewState* ViewState = Context.ViewState;
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FIntPoint TexSize = InputDesc->Extent;
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// we assume the input and output is full resolution
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FIntPoint SrcSize = InputDesc->Extent;
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FIntPoint DestSize = PassOutputs[0].RenderTargetDesc.Extent;
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// e.g. 4 means the input texture is 4x smaller than the buffer size
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uint32 ScaleFactor = GSceneRenderTargets.GetBufferSizeXY().X / SrcSize.X;
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FIntRect SrcRect = View.ViewRect / ScaleFactor;
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FIntRect DestRect = SrcRect;
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const FSceneRenderTargetItem& DestRenderTarget = PassOutputs[0].RequestSurface(Context);
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//Context.SetRenderTarget(RHICmdList, DestRenderTarget.TargetableTexture, FTextureRHIRef());
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SetRenderTarget(Context.RHICmdList, DestRenderTarget.TargetableTexture, GSceneRenderTargets.GetSceneDepthTexture());
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// is optimized away if possible (RT size=view size, )
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Context.RHICmdList.Clear(true, FLinearColor::Black, false, 1.0f, false, 0, SrcRect);
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Context.SetViewportAndCallRHI(SrcRect);
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static const auto CVar = IConsoleManager::Get().FindTConsoleVariableDataInt(TEXT("r.PostProcessAAQuality"));
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uint32 Quality = FMath::Clamp(CVar->GetValueOnRenderThread(), 1, 6);
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bool bUseFast = Quality == 3;
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Context.RHICmdList.SetBlendState(TStaticBlendState<>::GetRHI());
|
|
Context.RHICmdList.SetRasterizerState(TStaticRasterizerState<>::GetRHI());
|
|
|
|
if(Context.View.bCameraCut)
|
|
{
|
|
// On camera cut this turns on responsive everywhere.
|
|
|
|
// Normal temporal feedback
|
|
Context.RHICmdList.SetDepthStencilState(TStaticDepthStencilState<false,CF_Always>::GetRHI());
|
|
|
|
TShaderMapRef< FPostProcessTonemapVS > VertexShader(GetGlobalShaderMap());
|
|
if (bUseFast)
|
|
{
|
|
TShaderMapRef< FPostProcessTemporalAAPS<4,1> > PixelShader( GetGlobalShaderMap() );
|
|
|
|
static FGlobalBoundShaderState BoundShaderState;
|
|
|
|
|
|
SetGlobalBoundShaderState(Context.RHICmdList, Context.GetFeatureLevel(), BoundShaderState, GFilterVertexDeclaration.VertexDeclarationRHI, *VertexShader, *PixelShader);
|
|
|
|
VertexShader->SetVS(Context);
|
|
PixelShader->SetParameters(Context);
|
|
}
|
|
else
|
|
{
|
|
TShaderMapRef< FPostProcessTemporalAAPS<1,1> > PixelShader( GetGlobalShaderMap() );
|
|
|
|
static FGlobalBoundShaderState BoundShaderState;
|
|
|
|
|
|
SetGlobalBoundShaderState(Context.RHICmdList, Context.GetFeatureLevel(), BoundShaderState, GFilterVertexDeclaration.VertexDeclarationRHI, *VertexShader, *PixelShader);
|
|
|
|
VertexShader->SetVS(Context);
|
|
PixelShader->SetParameters(Context);
|
|
}
|
|
|
|
// Draw a quad mapping scene color to the view's render target
|
|
DrawRectangle(
|
|
Context.RHICmdList,
|
|
0, 0,
|
|
SrcRect.Width(), SrcRect.Height(),
|
|
SrcRect.Min.X, SrcRect.Min.Y,
|
|
SrcRect.Width(), SrcRect.Height(),
|
|
SrcRect.Size(),
|
|
SrcSize,
|
|
*VertexShader,
|
|
EDRF_UseTriangleOptimization);
|
|
}
|
|
else
|
|
{
|
|
{
|
|
// Normal temporal feedback
|
|
// Draw to pixels where stencil == 0
|
|
Context.RHICmdList.SetDepthStencilState(TStaticDepthStencilState<false,CF_Always,true,CF_Equal,SO_Keep,SO_Keep,SO_Keep>::GetRHI(), 0);
|
|
|
|
TShaderMapRef< FPostProcessTonemapVS > VertexShader(GetGlobalShaderMap());
|
|
if (bUseFast)
|
|
{
|
|
TShaderMapRef< FPostProcessTemporalAAPS<4,0> > PixelShader( GetGlobalShaderMap() );
|
|
|
|
static FGlobalBoundShaderState BoundShaderState;
|
|
|
|
|
|
SetGlobalBoundShaderState(Context.RHICmdList, Context.GetFeatureLevel(), BoundShaderState, GFilterVertexDeclaration.VertexDeclarationRHI, *VertexShader, *PixelShader);
|
|
|
|
VertexShader->SetVS(Context);
|
|
PixelShader->SetParameters(Context);
|
|
}
|
|
else
|
|
{
|
|
TShaderMapRef< FPostProcessTemporalAAPS<1,0> > PixelShader( GetGlobalShaderMap() );
|
|
|
|
static FGlobalBoundShaderState BoundShaderState;
|
|
|
|
|
|
SetGlobalBoundShaderState(Context.RHICmdList, Context.GetFeatureLevel(), BoundShaderState, GFilterVertexDeclaration.VertexDeclarationRHI, *VertexShader, *PixelShader);
|
|
|
|
VertexShader->SetVS(Context);
|
|
PixelShader->SetParameters(Context);
|
|
}
|
|
|
|
// Draw a quad mapping scene color to the view's render target
|
|
DrawRectangle(
|
|
Context.RHICmdList,
|
|
0, 0,
|
|
SrcRect.Width(), SrcRect.Height(),
|
|
SrcRect.Min.X, SrcRect.Min.Y,
|
|
SrcRect.Width(), SrcRect.Height(),
|
|
SrcRect.Size(),
|
|
SrcSize,
|
|
*VertexShader,
|
|
EDRF_UseTriangleOptimization);
|
|
}
|
|
|
|
{ // Responsive feedback for tagged pixels
|
|
// Draw to pixels where stencil != 0
|
|
Context.RHICmdList.SetDepthStencilState(TStaticDepthStencilState<false,CF_Always,true,CF_NotEqual,SO_Keep,SO_Keep,SO_Keep>::GetRHI(), 0);
|
|
|
|
TShaderMapRef< FPostProcessTonemapVS > VertexShader( GetGlobalShaderMap() );
|
|
if(bUseFast)
|
|
{
|
|
TShaderMapRef< FPostProcessTemporalAAPS<4,1> > PixelShader( GetGlobalShaderMap() );
|
|
|
|
static FGlobalBoundShaderState BoundShaderState;
|
|
|
|
|
|
SetGlobalBoundShaderState(Context.RHICmdList, Context.GetFeatureLevel(), BoundShaderState, GFilterVertexDeclaration.VertexDeclarationRHI, *VertexShader, *PixelShader);
|
|
|
|
VertexShader->SetVS(Context);
|
|
PixelShader->SetParameters(Context);
|
|
}
|
|
else
|
|
{
|
|
TShaderMapRef< FPostProcessTemporalAAPS<1,1> > PixelShader( GetGlobalShaderMap() );
|
|
|
|
static FGlobalBoundShaderState BoundShaderState;
|
|
|
|
|
|
SetGlobalBoundShaderState(Context.RHICmdList, Context.GetFeatureLevel(), BoundShaderState, GFilterVertexDeclaration.VertexDeclarationRHI, *VertexShader, *PixelShader);
|
|
|
|
VertexShader->SetVS(Context);
|
|
PixelShader->SetParameters(Context);
|
|
}
|
|
|
|
// Draw a quad mapping scene color to the view's render target
|
|
DrawRectangle(
|
|
Context.RHICmdList,
|
|
0, 0,
|
|
SrcRect.Width(), SrcRect.Height(),
|
|
SrcRect.Min.X, SrcRect.Min.Y,
|
|
SrcRect.Width(), SrcRect.Height(),
|
|
SrcRect.Size(),
|
|
SrcSize,
|
|
*VertexShader,
|
|
EDRF_UseTriangleOptimization);
|
|
}
|
|
}
|
|
|
|
Context.RHICmdList.CopyToResolveTarget(DestRenderTarget.TargetableTexture, DestRenderTarget.ShaderResourceTexture, false, FResolveParams());
|
|
|
|
ViewState->TemporalAAHistoryRT = PassOutputs[0].PooledRenderTarget;
|
|
check( ViewState->TemporalAAHistoryRT );
|
|
|
|
|
|
// TODO draw separate translucency after jitter has been removed
|
|
|
|
// Remove jitter
|
|
View.ViewMatrices.ProjMatrix.M[2][0] = 0.0f;
|
|
View.ViewMatrices.ProjMatrix.M[2][1] = 0.0f;
|
|
|
|
// Compute the view projection matrix and its inverse.
|
|
View.ViewProjectionMatrix = View.ViewMatrices.ViewMatrix * View.ViewMatrices.ProjMatrix;
|
|
View.InvViewProjectionMatrix = View.ViewMatrices.GetInvProjMatrix() * View.InvViewMatrix;
|
|
|
|
/** The view transform, starting from world-space points translated by -ViewOrigin. */
|
|
FMatrix TranslatedViewMatrix = FTranslationMatrix(-View.ViewMatrices.PreViewTranslation) * View.ViewMatrices.ViewMatrix;
|
|
|
|
// Compute a transform from view origin centered world-space to clip space.
|
|
View.ViewMatrices.TranslatedViewProjectionMatrix = TranslatedViewMatrix * View.ViewMatrices.ProjMatrix;
|
|
View.ViewMatrices.InvTranslatedViewProjectionMatrix = View.ViewMatrices.TranslatedViewProjectionMatrix.Inverse();
|
|
|
|
View.InitRHIResources();
|
|
}
|
|
|
|
FPooledRenderTargetDesc FRCPassPostProcessTemporalAA::ComputeOutputDesc(EPassOutputId InPassOutputId) const
|
|
{
|
|
FPooledRenderTargetDesc Ret = PassInputs[0].GetOutput()->RenderTargetDesc;
|
|
|
|
Ret.Reset();
|
|
Ret.Format = PF_FloatRGBA;
|
|
Ret.DebugName = TEXT("TemporalAA");
|
|
|
|
return Ret;
|
|
}
|