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For each pixel it shows the worst case missing mip level in all of the virtual textures sampled at that pixel. Useful to analyze where late virtual texture page streaming is happening. #rb ben.ingram #preflight 615b5ecb255462000117288c #lockdown michal.valient #ROBOMERGE-OWNER: jon.nabozny #ROBOMERGE-AUTHOR: jeremy.moore #ROBOMERGE-SOURCE: CL 17716764 via CL 17979410 via CL 18366649 via CL 18366731 #ROBOMERGE-BOT: STARSHIP (Release-Engine-Staging -> Release-Engine-Test) (v895-18170469) [CL 18366789 by jon nabozny in ue5-release-engine-test branch]
98 lines
4.9 KiB
C++
98 lines
4.9 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#include "PostProcess/PostProcessStreamingAccuracyLegend.h"
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#include "UnrealEngine.h"
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#include "DebugViewModeRendering.h"
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namespace
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{
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void DrawDesc(FCanvas& Canvas, float PosX, float PosY, const FText& Text)
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{
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Canvas.DrawShadowedText(PosX + 18, PosY, Text, GetStatsFont(), FLinearColor(0.7f, 0.7f, 0.7f), FLinearColor::Black);
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}
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void DrawBox(FCanvas& Canvas, float PosX, float PosY, const FLinearColor& Color, const FText& Text)
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{
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Canvas.DrawTile(PosX, PosY, 16, 16, 0, 0, 1, 1, FLinearColor::Black);
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Canvas.DrawTile(PosX + 1, PosY + 1, 14, 14, 0, 0, 1, 1, Color);
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Canvas.DrawShadowedText(PosX + 18, PosY, Text, GetStatsFont(), FLinearColor(0.7f, 0.7f, 0.7f), FLinearColor::Black);
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}
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void DrawCheckerBoard(FCanvas& Canvas, float PosX, float PosY, const FLinearColor& Color0, const FLinearColor& Color1, const FText& Text)
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{
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Canvas.DrawTile(PosX, PosY, 16, 16, 0, 0, 1, 1, FLinearColor::Black);
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Canvas.DrawTile(PosX + 1, PosY + 1, 14, 14, 0, 0, 1, 1, Color0);
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Canvas.DrawTile(PosX + 1, PosY + 1, 7, 7, 0, 0, 1, 1, Color1);
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Canvas.DrawTile(PosX + 8, PosY + 8, 7, 7, 0, 0, 1, 1, Color1);
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Canvas.DrawShadowedText(PosX + 18, PosY, Text, GetStatsFont(), FLinearColor(0.7f, 0.7f, 0.7f), FLinearColor::Black);
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}
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} //! namespace
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#define LOCTEXT_NAMESPACE "TextureStreamingBuild"
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FScreenPassTexture AddStreamingAccuracyLegendPass(FRDGBuilder& GraphBuilder, const FViewInfo& View, const FStreamingAccuracyLegendInputs& Inputs)
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{
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FScreenPassRenderTarget Output = Inputs.OverrideOutput;
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if (Output.IsValid())
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{
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AddDrawTexturePass(GraphBuilder, View, Inputs.SceneColor, Output);
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}
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else
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{
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Output = FScreenPassRenderTarget(Inputs.SceneColor, ERenderTargetLoadAction::ELoad);
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}
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const TArrayView<const FLinearColor> Colors = Inputs.Colors;
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const FIntRect OutputViewRect = Output.ViewRect;
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AddDrawCanvasPass(GraphBuilder, RDG_EVENT_NAME("StreamingAccuracyLegend"), View, Output, [&View, Colors, OutputViewRect](FCanvas& Canvas)
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{
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const FSceneViewFamily& ViewFamily = *View.Family;
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if (ViewFamily.GetDebugViewShaderMode() == DVSM_RequiredTextureResolution)
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{
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DrawDesc(Canvas, OutputViewRect.Min.X + 115, OutputViewRect.Max.Y - 75, LOCTEXT("DescRequiredTextureResolution", "Shows the ratio between the currently streamed texture resolution and the resolution wanted by the GPU."));
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}
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else if (ViewFamily.GetDebugViewShaderMode() == DVSM_VirtualTexturePendingMips)
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{
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DrawDesc(Canvas, OutputViewRect.Min.X + 115, OutputViewRect.Max.Y - 75, LOCTEXT("DescVirtualTexturePendingMips", "Shows the number of pending virtual texture mips to reach the resolution wanted by the GPU."));
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}
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else if (ViewFamily.GetDebugViewShaderMode() == DVSM_MaterialTextureScaleAccuracy)
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{
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DrawDesc(Canvas, OutputViewRect.Min.X + 115, OutputViewRect.Max.Y - 75, LOCTEXT("DescMaterialTextureScaleAccuracy", "Shows under/over texture streaming caused by the material texture scales applied when sampling."));
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}
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else if (ViewFamily.GetDebugViewShaderMode() == DVSM_MeshUVDensityAccuracy)
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{
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DrawDesc(Canvas, OutputViewRect.Min.X + 115, OutputViewRect.Max.Y - 75, LOCTEXT("DescUVDensityAccuracy", "Shows under/over texture streaming caused by the mesh UV densities."));
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}
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else if (ViewFamily.GetDebugViewShaderMode() == DVSM_PrimitiveDistanceAccuracy)
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{
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DrawDesc(Canvas, OutputViewRect.Min.X + 115, OutputViewRect.Max.Y - 100, LOCTEXT("DescPrimitiveDistanceAccuracy", "Shows under/over texture streaming caused by the difference between the streamer calculated"));
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DrawDesc(Canvas, OutputViewRect.Min.X + 165, OutputViewRect.Max.Y - 75, LOCTEXT("DescPrimitiveDistanceAccuracy2", "distance-to-mesh via bounding box versus the actual per-pixel depth value."));
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}
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DrawBox(Canvas, OutputViewRect.Min.X + 115, OutputViewRect.Max.Y - 25, Colors[0], LOCTEXT("2XUnder", "2X+ Under"));
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DrawBox(Canvas, OutputViewRect.Min.X + 215, OutputViewRect.Max.Y - 25, Colors[1], LOCTEXT("1XUnder", "1X Under"));
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DrawBox(Canvas, OutputViewRect.Min.X + 315, OutputViewRect.Max.Y - 25, Colors[2], LOCTEXT("Good", "Good"));
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if (ViewFamily.GetDebugViewShaderMode() != DVSM_VirtualTexturePendingMips)
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{
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DrawBox(Canvas, OutputViewRect.Min.X + 415, OutputViewRect.Max.Y - 25, Colors[3], LOCTEXT("1xOver", "1X Over"));
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DrawBox(Canvas, OutputViewRect.Min.X + 515, OutputViewRect.Max.Y - 25, Colors[4], LOCTEXT("2XOver", "2X+ Over"));
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const FLinearColor UndefColor(UndefinedStreamingAccuracyIntensity, UndefinedStreamingAccuracyIntensity, UndefinedStreamingAccuracyIntensity, 1.f);
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DrawBox(Canvas, OutputViewRect.Min.X + 615, OutputViewRect.Max.Y - 25, UndefColor, LOCTEXT("Undefined", "Undefined"));
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}
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if (ViewFamily.GetDebugViewShaderMode() == DVSM_MaterialTextureScaleAccuracy || ViewFamily.GetDebugViewShaderMode() == DVSM_MeshUVDensityAccuracy)
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{
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DrawCheckerBoard(Canvas, OutputViewRect.Min.X + 715, OutputViewRect.Max.Y - 25, Colors[0], Colors[4], LOCTEXT("WorstUnderAndOver", "Worst Under / Worst Over"));
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}
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});
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return MoveTemp(Output);
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}
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#undef LOCTEXT_NAMESPACE
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