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e13b5df1ce
#rb none #jira UE-194712 [FYI] sebastien.hillaire [CL 27872508 by charles derousiers in ue5-main branch]
1736 lines
64 KiB
Plaintext
1736 lines
64 KiB
Plaintext
// Copyright Epic Games, Inc. All Rights Reserved.
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#include "/Engine/Private/Common.ush"
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#include "/Engine/Private/DeferredShadingCommon.ush"
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#if defined(SHADER_DEBUGSUBSTRATETREE_PS) || defined(SHADER_DEBUGSUBSTRATETREE_CS)
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#define SUBSTRATE_INLINE_SHADING 1
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#else
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#define SUBSTRATE_INLINE_SHADING 0
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#endif
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#define SUBSTRATE_SSS_MATERIAL_OVERRIDE 0
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#define SUBSTRATE_SSS_TRANSMISSION 0 // Disable for now, as the SSS profile texture need to be bound
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#define SUBSTRATE_COMPLEXSPECIALPATH 1 // Allow to read data from complex special path
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#include "/Engine/Private/Substrate/SubstrateEvaluation.ush"
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#include "/Engine/Private/Substrate/SubstrateTile.ush"
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#include "/Engine/Private/ShaderPrint.ush"
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#include "../ColorMap.ush"
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// This is for the fxc compiler to compile faster.
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#define SUBSTRATE_VIZ_MAX_BSDF 2
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void DrawReferentialTWS(float3 P /*In Translated World Space*/, float3 X, float3 Y, float3 N, float3 InColor)
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{
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const float Size = 10.f;
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const float SizeWithTip = 12.0f;
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const float4 Color = float4(InColor, 1);
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const float4 ColorX = float4(1, 0, 0, 1);
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const float4 ColorY = float4(0, 1, 0, 1);
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const float4 ColorZ = float4(0, 0, 1, 1);
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// Core
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AddLineTWS(P, P + X * Size, Color, Color);
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AddLineTWS(P, P + Y * Size, Color, Color);
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AddLineTWS(P, P + N * Size, Color, Color);
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// Tips
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AddLineTWS(P + X * Size, P + X * SizeWithTip, ColorX, ColorX);
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AddLineTWS(P + Y * Size, P + Y * SizeWithTip, ColorY, ColorY);
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AddLineTWS(P + N * Size, P + N * SizeWithTip, ColorZ, ColorZ);
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}
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void AddDrawPixelFootprint(float3 P, float3 dPdx, float3 dPdy, float2 Scale, bool bNormalize, float4 Color)
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{
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const float3 T = (bNormalize ? normalize(dPdx) : dPdx) * Scale.x;
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const float3 B = (bNormalize ? normalize(dPdy) : dPdy) * Scale.y;
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const float3 N = normalize(cross(T, B));
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const float3 WP0 = P - T - B;
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const float3 WP1 = P + T - B;
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const float3 WP2 = P + T + B;
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const float3 WP3 = P - T + B;
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AddLineTWS(WP0, WP1, Color);
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AddLineTWS(WP1, WP2, Color);
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AddLineTWS(WP2, WP3, Color);
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AddLineTWS(WP3, WP0, Color);
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}
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void DrawPixelFootprint(float3 P, float3 dPdx, float3 dPdy, uint2 PixelCoord)
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{
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const FSubstrateSubsurfaceHeader SSSHeader = SubstrateLoadSubsurfaceHeader(Substrate.MaterialTextureArray, Substrate.FirstSliceStoringSubstrateSSSData, PixelCoord);
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const bool bIsValid = SubstrateSubSurfaceHeaderGetIsValid(SSSHeader);
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const bool bIsProfile = SubstrateSubSurfaceHeaderGetIsProfile(SSSHeader);
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if (bIsValid)
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{
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float3 MFP = 0;
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if (bIsProfile)
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{
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MFP = GetSubsurfaceProfileMFPInCm(SubstrateSubSurfaceHeaderGetProfileId(SSSHeader)).xyz * SubstrateSubSurfaceHeaderGetProfileRadiusScale(SSSHeader);
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}
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else
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{
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MFP = SubstrateSubSurfaceHeaderGetMFP(SSSHeader);
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}
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FSubstratePixelFootprint Footprint = SubstrateGetPixelFootprint(dPdx, dPdy, 0.f /*InNormalCurvatureRoughness*/);
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AddDrawPixelFootprint(P, dPdx, dPdy, 0.5f, false, ColorRed);
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AddDrawPixelFootprint(P, dPdx, dPdy, Footprint.PixelRadiusInWorldSpace, true, ColorOrange);
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AddDrawPixelFootprint(P, dPdx, dPdy, max3(MFP.x, MFP.y, MFP.z), true, ColorCyan);
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// Material Print
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#if SHADER_MATERIALPRINT
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uint BSDFIndex;
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RWBuffer<uint> RWPositionOffsetBuffer;
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void PrintPixelType(inout FShaderPrintContext Ctx, in FSubstratePixelHeader Header, FFontColor InColor)
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{
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if (Header.IsSimpleMaterial()) Print(Ctx, TEXT("Simple "), InColor);
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else if (Header.IsSingleMaterial()) Print(Ctx, TEXT("Single "), InColor);
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else if (Header.GetUsesComplexSpecialRenderPath()) Print(Ctx, TEXT("Complex Special "), InColor);
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else if (Header.IsComplexMaterial()) Print(Ctx, TEXT("Complex "), InColor);
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else if (Header.IsSingleLayerWater()) Print(Ctx, TEXT("SLWater "), InColor);
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else if (Header.IsHair()) Print(Ctx, TEXT("Hair "), InColor);
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else if (Header.IsEye()) Print(Ctx, TEXT("Eye "), InColor);
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else Print(Ctx, TEXT("Error - Unkown pixel type"), FontRed);
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}
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void PrintSSSType(inout FShaderPrintContext Ctx, uint SSSType, bool bThin, FFontColor InColor)
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{
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if (SSSType == SSS_TYPE_WRAP && bThin) Print(Ctx, TEXT("Wrap & Thin"), InColor);
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else if (SSSType == SSS_TYPE_WRAP) Print(Ctx, TEXT("Wrap"), InColor);
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else if (SSSType == SSS_TYPE_DIFFUSION) Print(Ctx, TEXT("Diffusion"), InColor);
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else if (SSSType == SSS_TYPE_DIFFUSION_PROFILE) Print(Ctx, TEXT("Diffusion Profile"), InColor);
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else if (SSSType == SSS_TYPE_SIMPLEVOLUME) Print(Ctx, TEXT("Simple Volume"), InColor);
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else if (bThin) Print(Ctx, TEXT("Thin"), InColor);
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else /* (SSSType == SSS_TYPE_INVALID) */ Print(Ctx, TEXT("Invalid"), InColor);
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}
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void PrintBackgroundRect(inout FShaderPrintContext Ctx, float2 StartRect, float2 EndRect)
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{
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const float4 RectBackgroundColor = float4(1, 1, 1, 0.25f);
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AddFilledQuadSS(
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(StartRect - ShaderPrintData.FontSize) * ShaderPrintData.Resolution,
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(EndRect + ShaderPrintData.FontSize) * ShaderPrintData.Resolution,
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RectBackgroundColor);
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}
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void Newline(inout FShaderPrintContext Context, inout float2 MaxRect)
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{
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MaxRect.x = max(MaxRect.x, Context.Pos.x);
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MaxRect.y = Context.Pos.y;
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Newline(Context);
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}
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void PrintAddress(inout FShaderPrintContext Context, inout FSubstrateAddressing SubstrateAddressing)
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{
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FFontColor Font;
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Font.Color = lerp(FontEmerald.Color, FontSilver.Color, 0.75f);
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Print(Context, TEXT("[Address="), Font);
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Print(Context, SubstrateAddressing.CurrentIndex, Font, 2, 0);
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Print(Context, TEXT("]"), Font);
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}
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void PrintBSDF(inout FShaderPrintContext Context, inout FSubstrateAddressing SubstrateAddressing, FSubstratePixelHeader Header, float3 WorldPosition, float3 V, inout float2 RectMax)
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{
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const FFontColor FontBSDF = FontSilver;
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const FFontColor FontBSDFType = FontEmerald;
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const FFontColor FontBSDFStateName= FontWhite;
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const FFontColor FontBSDFPropName = FontOrange;
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const FFontColor FontBSDFPropValu = FontWhite;
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Newline(Context, RectMax);
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const FSubstrateBSDF BSDF = UnpackSubstrateBSDFIn(Substrate.MaterialTextureArray, SubstrateAddressing, Header);
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// Draw Referential
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{
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const float3 DummyL = float3(0, 0, 1);
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FSubstrateBSDFContext BSDFContext = SubstrateCreateBSDFContext(Header, BSDF, SubstrateAddressing, V, DummyL);
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DrawReferentialTWS(WorldPosition, BSDFContext.X, BSDFContext.Y, BSDFContext.N, float3(1, 1, 0));
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}
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switch (BSDF_GETTYPE(BSDF))
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{
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case SUBSTRATE_BSDF_TYPE_SLAB:
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{
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const bool bWeightL = BSDF_GETHASTRANSABOVE(BSDF);
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const bool bGreyWeightV = BSDF_GETHASGREYWEIGHT_V(BSDF);
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const bool bGreyTopTrans = BSDF.TransmittanceAboveAlongN.x == BSDF.TransmittanceAboveAlongN.y && BSDF.TransmittanceAboveAlongN.x == BSDF.TransmittanceAboveAlongN.z;
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Print(Context, TEXT("Slab "), FontBSDFType);
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PrintAddress(Context, SubstrateAddressing);
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Newline(Context, RectMax);
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Print(Context, TEXT(" NormalID BasisType Aniso TopLayer Scattering IsThin WeightV "), FontBSDFStateName);
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if (!bGreyWeightV)
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{
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Print(Context, TEXT(" "), FontBSDFStateName);
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}
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if (bWeightL)
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{
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Print(Context, TEXT("TransToL "), FontBSDFStateName);
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if (!bGreyTopTrans)
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{
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Print(Context, TEXT(" "), FontBSDFStateName);
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}
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Print(Context, TEXT("CoverToL"), FontBSDFStateName);
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}
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Newline(Context, RectMax);
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const uint BasisType = SubstrateGetSharedLocalBasisType(Header.SharedLocalBasesTypes_PackedHeader, BSDF_GETSHAREDLOCALBASISID(BSDF));
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Print(Context, TEXT(" "), FontSilver);
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Print(Context, BSDF_GETSHAREDLOCALBASISID(BSDF), FontBSDF, 2, 1); Print(Context, TEXT(" "), FontSilver);
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if (BasisType == 0)
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{
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Print(Context, TEXT("Normal"), FontBSDF); Print(Context, TEXT(" "), FontSilver);
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}
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else
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{
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Print(Context, TEXT("Tangent"), FontBSDF); Print(Context, TEXT(" "), FontSilver);
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}
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PrintBool(Context, BSDF_GETHASANISOTROPY(BSDF)); Print(Context, TEXT(" "));
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PrintBool(Context, BSDF_GETISTOPLAYER(BSDF)); Print(Context, TEXT(" "));
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PrintBool(Context, BSDF_GETSSSTYPE(BSDF) != SSS_TYPE_INVALID); Print(Context, TEXT(" "));
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PrintBool(Context, BSDF_GETISTHIN(BSDF)); Print(Context, TEXT(" "));
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// View Weight
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{
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if (bGreyWeightV)
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{
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Print(Context, BSDF.LuminanceWeightV.x, FontSilver, 6, 4);
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}
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else
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{
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Print(Context, BSDF.LuminanceWeightV.r, FontLightRed, 6, 4);
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Print(Context, BSDF.LuminanceWeightV.g, FontLightGreen, 6, 4);
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Print(Context, BSDF.LuminanceWeightV.b, FontLightBlue, 6, 4);
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}
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Print(Context, TEXT(" "), FontWhite);
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}
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// Light Weight
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if (bWeightL)
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{
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Print(Context, TEXT(" "), FontSilver);
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if (bGreyTopTrans)
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{
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Print(Context, BSDF.TransmittanceAboveAlongN.x, FontSilver);
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}
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else
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{
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Print(Context, BSDF.TransmittanceAboveAlongN.r, FontLightRed, 6, 4);
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Print(Context, BSDF.TransmittanceAboveAlongN.g, FontLightGreen, 6, 4);
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Print(Context, BSDF.TransmittanceAboveAlongN.b, FontLightBlue, 6, 4);
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}
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Print(Context, TEXT(" "), FontSilver);
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Print(Context, BSDF.CoverageAboveAlongN, FontSilver, 6, 4);
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}
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Newline(Context, RectMax);
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Print(Context, TEXT(" Diffuse "), FontBSDFPropName); Print(Context, SLAB_DIFFUSEALBEDO(BSDF), FontBSDFPropValu); Newline(Context, RectMax);
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const bool bGreyF0 = SLAB_F0(BSDF).x == SLAB_F0(BSDF).y && SLAB_F0(BSDF).x == SLAB_F0(BSDF).z;
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if (bGreyF0)
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{
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Print(Context, TEXT(" F0 "), FontBSDFPropName); Print(Context, SLAB_F0(BSDF).x, FontBSDFPropValu); Newline(Context, RectMax);
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}
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else
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{
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Print(Context, TEXT(" F0 "), FontBSDFPropName); Print(Context, SLAB_F0(BSDF), FontBSDFPropValu); Newline(Context, RectMax);
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}
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if (BSDF_GETHASF90(BSDF))
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{
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const bool bGreyF90 = SLAB_F90(BSDF).x == SLAB_F90(BSDF).y && SLAB_F90(BSDF).x == SLAB_F90(BSDF).z;
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if (bGreyF90)
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{
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Print(Context, TEXT(" F90 "), FontBSDFPropName); Print(Context, SLAB_F90(BSDF).x, FontBSDFPropValu); Newline(Context, RectMax);
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}
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else
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{
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Print(Context, TEXT(" F90 "), FontBSDFPropName); Print(Context, SLAB_F90(BSDF), FontBSDFPropValu); Newline(Context, RectMax);
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}
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}
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Print(Context, TEXT(" Roughness "), FontBSDFPropName); Print(Context, SLAB_ROUGHNESS(BSDF), FontBSDFPropValu); Newline(Context, RectMax);
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if (BSDF_GETHASANISOTROPY(BSDF))
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{
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Print(Context, TEXT(" Anisotropy "), FontBSDFPropName); Print(Context, SLAB_ANISOTROPY(BSDF), FontBSDFPropValu); Newline(Context, RectMax);
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}
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if (BSDF_GETHASHAZINESS(BSDF))
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{
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FHaziness Haziness = UnpackHaziness(SLAB_HAZINESS(BSDF));
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Print(Context, TEXT(" Haziness "), FontBSDFPropName); Newline(Context, RectMax);
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Print(Context, TEXT(" - Roughness "), FontBSDFPropName); Print(Context, Haziness.Roughness, FontBSDFPropValu); Newline(Context, RectMax);
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Print(Context, TEXT(" - Weight "), FontBSDFPropName); Print(Context, Haziness.Weight, FontBSDFPropValu); Newline(Context, RectMax);
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Print(Context, TEXT(" - SimpleClearCoat "), FontBSDFPropName); Print(Context, Haziness.bSimpleClearCoat?1u:0u, FontBSDFPropValu); Newline(Context, RectMax);
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}
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if (BSDF_GETSSSTYPE(BSDF) != SSS_TYPE_INVALID || BSDF_GETISTHIN(BSDF))
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{
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const bool bIsThin = BSDF_GETISTHIN(BSDF);
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const FSubstrateSubsurfaceHeader SSSHeader = SubstrateLoadSubsurfaceHeader(Substrate.MaterialTextureArray, Substrate.FirstSliceStoringSubstrateSSSData, SubstrateAddressing.PixelCoords);
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Print(Context, TEXT(" SSS Type "), FontBSDFPropName); PrintSSSType(Context, BSDF_GETSSSTYPE(BSDF), BSDF_GETISTHIN(BSDF), FontYellow); Newline(Context, RectMax);
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if (BSDF_GETSSSTYPE(BSDF) == SSS_TYPE_WRAP)
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{
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const float Opacity = SubstrateSubSurfaceHeaderGetWrapOpacity(SSSHeader);
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Print(Context, TEXT(" SSS Opacity "), FontBSDFPropName); Print(Context, Opacity, FontBSDFPropValu); Newline(Context, RectMax);
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Print(Context, TEXT(" SSS MFP "), FontBSDFPropName); Print(Context, SLAB_SSSMFP(BSDF), FontBSDFPropValu); Newline(Context, RectMax);
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Print(Context, TEXT(" SSS Phase "), FontBSDFPropName); Print(Context, SLAB_SSSPHASEANISOTROPY(BSDF), FontBSDFPropValu);Newline(Context, RectMax);
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Print(Context, TEXT(" SSS Thicknes"), FontBSDFPropName); Print(Context, BSDF_GETTHICKNESSCM(BSDF), FontBSDFPropValu); Newline(Context, RectMax);
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}
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else if (BSDF_GETSSSTYPE(BSDF) == SSS_TYPE_SIMPLEVOLUME)
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{
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const float Opacity = SubstrateSubSurfaceHeaderGetWrapOpacity(SSSHeader);
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Print(Context, TEXT(" SSS Opacity "), FontBSDFPropName); Print(Context, Opacity, FontBSDFPropValu); Newline(Context, RectMax);
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Print(Context, TEXT(" SSS MFP "), FontBSDFPropName); Print(Context, SLAB_SSSMFP(BSDF), FontBSDFPropValu); Newline(Context, RectMax);
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Print(Context, TEXT(" SSS Phase "), FontBSDFPropName); Print(Context, SLAB_SSSPHASEANISOTROPY(BSDF), FontBSDFPropValu);Newline(Context, RectMax);
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Print(Context, TEXT(" SSS Thicknes"), FontBSDFPropName); Print(Context, BSDF_GETTHICKNESSCM(BSDF), FontBSDFPropValu); Newline(Context, RectMax);
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}
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else if (BSDF_GETSSSTYPE(BSDF) == SSS_TYPE_DIFFUSION_PROFILE)
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{
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const uint ProfileId = SubstrateSubSurfaceHeaderGetProfileId(SSSHeader);
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const float RadiusScale = SubstrateSubSurfaceHeaderGetProfileRadiusScale(SSSHeader);
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const float3 DiffuseMFP = GetSubsurfaceProfileMFPInCm(ProfileId).xyz * RadiusScale;
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const float Phase = GetTransmissionProfileParams(ProfileId).ScatteringDistribution;
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Print(Context, TEXT(" SSS ID. "), FontBSDFPropName); Print(Context, ProfileId, FontBSDFPropValu); Newline(Context, RectMax);
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Print(Context, TEXT(" SSS Radius "), FontBSDFPropName); Print(Context, RadiusScale, FontBSDFPropValu); Newline(Context, RectMax);
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Print(Context, TEXT(" SSS MFP "), FontBSDFPropName); Print(Context, DiffuseMFP, FontBSDFPropValu); Newline(Context, RectMax);
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Print(Context, TEXT(" SSS Phase "), FontBSDFPropName); Print(Context, Phase, FontBSDFPropValu); Newline(Context, RectMax);
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if (bIsThin)
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{
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Print(Context, TEXT(" SSS Thicknes"), FontBSDFPropName); Print(Context, SLAB_SSSPROFILETHICKNESSCM(BSDF), FontBSDFPropValu); Newline(Context, RectMax);
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}
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}
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else if (BSDF_GETSSSTYPE(BSDF) == SSS_TYPE_DIFFUSION)
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{
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const float3 OriginalMFP = SubstrateSubSurfaceHeaderGetMFP(SSSHeader);
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const float3 RescaledMFP = SLAB_SSSMFP(BSDF);
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if (bIsThin)
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{
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Print(Context, TEXT(" SSS MFP "), FontBSDFPropName); Print(Context, OriginalMFP, FontBSDFPropValu); Newline(Context, RectMax);
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Print(Context, TEXT(" SSS MFP Norm"), FontBSDFPropName); Print(Context, RescaledMFP, FontBSDFPropValu); Newline(Context, RectMax);
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Print(Context, TEXT(" SSS Thicknes"), FontBSDFPropName); Print(Context, BSDF_GETTHICKNESSCM(BSDF), FontBSDFPropValu);Newline(Context, RectMax);
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}
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else
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{
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Print(Context, TEXT(" SSS MFP "), FontBSDFPropName); Print(Context, OriginalMFP, FontBSDFPropValu); Newline(Context, RectMax);
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}
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Print(Context, TEXT(" SSS Phase "), FontBSDFPropName); Print(Context, SLAB_SSSPHASEANISOTROPY(BSDF), FontBSDFPropValu);Newline(Context, RectMax);
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}
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} // SSS
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if (BSDF_GETHASFUZZ(BSDF))
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{
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Print(Context, TEXT(" Fuzz Amount "), FontBSDFPropName); Print(Context, SLAB_FUZZ_AMOUNT(BSDF), FontBSDFPropValu); Newline(Context, RectMax);
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Print(Context, TEXT(" Fuzz Color "), FontBSDFPropName); Print(Context, SLAB_FUZZ_COLOR(BSDF), FontBSDFPropValu); Newline(Context, RectMax);
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Print(Context, TEXT(" Fuzz Rough. "), FontBSDFPropName); Print(Context, SLAB_FUZZ_ROUGHNESS(BSDF), FontBSDFPropValu); Newline(Context, RectMax);
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}
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#if SUBSTRATE_COMPLEXSPECIALPATH
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if (BSDF_GETHASGLINT(BSDF))
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{
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Print(Context, TEXT(" Glint Value "), FontBSDFPropName); Print(Context, SLAB_GLINT_VALUE(BSDF), FontBSDFPropValu); Newline(Context, RectMax);
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Print(Context, TEXT(" Glint UVs "), FontBSDFPropName); Print(Context, SLAB_GLINT_UV(BSDF), FontBSDFPropValu); Newline(Context, RectMax);
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}
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if (BSDF_GETHASSPECPROFILE(BSDF))
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{
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Print(Context, TEXT(" SpecID "), FontBSDFPropName); Print(Context, GetSpecularProfileId(SLAB_SPECPROFILEID(BSDF)), FontBSDFPropValu);Newline(Context, RectMax);
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if (GetSpecularProfileParameterization(SLAB_SPECPROFILEID(BSDF)) == 0)
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{
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Print(Context, TEXT(" Spec Param. "), FontBSDFPropName); Print(Context, TEXT("View/Light angles"), FontBSDFPropValu); Newline(Context, RectMax);
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}
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else
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{
|
|
Print(Context, TEXT(" Spec Param. "), FontBSDFPropName); Print(Context, TEXT("Half angles"), FontBSDFPropValu); Newline(Context, RectMax);
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
break;
|
|
|
|
case SUBSTRATE_BSDF_TYPE_HAIR:
|
|
{
|
|
Print(Context, TEXT("Hair"), FontBSDFType);
|
|
PrintAddress(Context, SubstrateAddressing);
|
|
Newline(Context, RectMax);
|
|
Print(Context, TEXT(" NormalID Aniso IsTopLayer LuminanceWeight"), FontBSDFStateName);
|
|
Newline(Context, RectMax);
|
|
|
|
Print(Context, TEXT(" "), FontSilver);
|
|
Print(Context, BSDF_GETSHAREDLOCALBASISID(BSDF), FontBSDF);
|
|
PrintBool(Context, BSDF_GETHASANISOTROPY(BSDF));
|
|
PrintBool(Context, BSDF_GETISTOPLAYER(BSDF));
|
|
if (BSDF_GETHASGREYWEIGHT_V(BSDF))
|
|
{
|
|
Print(Context, BSDF.LuminanceWeightV.x, FontSilver);
|
|
}
|
|
else
|
|
{
|
|
Print(Context, BSDF.LuminanceWeightV.r, FontLightRed);
|
|
Print(Context, BSDF.LuminanceWeightV.g, FontLightGreen);
|
|
Print(Context, BSDF.LuminanceWeightV.b, FontLightBlue);
|
|
}
|
|
Newline(Context, RectMax);
|
|
|
|
Print(Context, TEXT(" BaseColor "), FontBSDFPropName); Print(Context, HAIR_BASECOLOR(BSDF), FontBSDFPropValu); Newline(Context, RectMax);
|
|
Print(Context, TEXT(" Specular "), FontBSDFPropName); Print(Context, HAIR_SPECULAR(BSDF), FontBSDFPropValu); Newline(Context, RectMax);
|
|
Print(Context, TEXT(" Roughness "), FontBSDFPropName); Print(Context, HAIR_ROUGHNESS(BSDF), FontBSDFPropValu); Newline(Context, RectMax);
|
|
Print(Context, TEXT(" Scatter "), FontBSDFPropName); Print(Context, HAIR_SCATTER(BSDF), FontBSDFPropValu); Newline(Context, RectMax);
|
|
Print(Context, TEXT(" Backlit "), FontBSDFPropName); Print(Context, HAIR_BACKLIT(BSDF), FontBSDFPropValu); Newline(Context, RectMax);
|
|
Print(Context, TEXT(" Has Transmittance "), FontBSDFPropName); Print(Context, HAIR_COMPLEXTRANSMITTANCE(BSDF), FontBSDFPropValu); Newline(Context, RectMax);
|
|
}
|
|
break;
|
|
|
|
case SUBSTRATE_BSDF_TYPE_EYE:
|
|
{
|
|
Print(Context, TEXT("Eye"), FontBSDFType);
|
|
PrintAddress(Context, SubstrateAddressing);
|
|
Newline(Context, RectMax);
|
|
Print(Context, TEXT(" NormalID IsTopLayer LuminanceWeight"), FontBSDFStateName);
|
|
Newline(Context, RectMax);
|
|
|
|
Print(Context, TEXT(" "), FontSilver);
|
|
Print(Context, BSDF_GETSHAREDLOCALBASISID(BSDF), FontBSDF);
|
|
PrintBool(Context, BSDF_GETISTOPLAYER(BSDF));
|
|
if (BSDF_GETHASGREYWEIGHT_V(BSDF))
|
|
{
|
|
Print(Context, BSDF.LuminanceWeightV.x, FontSilver);
|
|
}
|
|
else
|
|
{
|
|
Print(Context, BSDF.LuminanceWeightV.r, FontLightRed);
|
|
Print(Context, BSDF.LuminanceWeightV.g, FontLightGreen);
|
|
Print(Context, BSDF.LuminanceWeightV.b, FontLightBlue);
|
|
}
|
|
Newline(Context, RectMax);
|
|
|
|
Print(Context, TEXT(" Diffuse Albedo "), FontBSDFPropName); Print(Context, EYE_DIFFUSEALBEDO(BSDF), FontBSDFPropValu); Newline(Context, RectMax);
|
|
Print(Context, TEXT(" F0 "), FontBSDFPropName); Print(Context, EYE_F0(BSDF), FontBSDFPropValu); Newline(Context, RectMax);
|
|
Print(Context, TEXT(" Roughness "), FontBSDFPropName); Print(Context, EYE_ROUGHNESS(BSDF), FontBSDFPropValu); Newline(Context, RectMax);
|
|
Print(Context, TEXT(" Iris Mask "), FontBSDFPropName); Print(Context, EYE_IRISDISTANCE(BSDF), FontBSDFPropValu); Newline(Context, RectMax);
|
|
Print(Context, TEXT(" Iris Distance "), FontBSDFPropName); Print(Context, EYE_IRISMASK(BSDF), FontBSDFPropValu); Newline(Context, RectMax);
|
|
|
|
// Tangent basis for the iris
|
|
const float3x3 IrisTangentBasis = GetTangentBasis(EYE_IRISNORMAL(BSDF));
|
|
DrawReferentialTWS(WorldPosition, IrisTangentBasis[0], IrisTangentBasis[1], IrisTangentBasis[2], float3(0, 1, 1));
|
|
|
|
// Tangent basis for the iris plane
|
|
const float3x3 IrisPlaneTangentBasis = GetTangentBasis(EYE_IRISPLANENORMAL(BSDF));
|
|
DrawReferentialTWS(WorldPosition, IrisPlaneTangentBasis[0], IrisPlaneTangentBasis[1], IrisPlaneTangentBasis[2], float3(1, 0, 1));
|
|
|
|
const bool bHasSSS = Header.HasSubsurface();
|
|
const FSubstrateSubsurfaceHeader SSSHeader = SubstrateLoadSubsurfaceHeader(Substrate.MaterialTextureArray, Substrate.FirstSliceStoringSubstrateSSSData, SubstrateAddressing.PixelCoords);
|
|
const bool bIsValid = SubstrateSubSurfaceHeaderGetIsValid(SSSHeader);
|
|
const bool bIsProfile = SubstrateSubSurfaceHeaderGetIsProfile(SSSHeader);
|
|
if (bHasSSS && bIsValid && bIsProfile)
|
|
{
|
|
const uint SubsurfaceProfileInt = SubstrateSubSurfaceHeaderGetProfileId(SSSHeader);
|
|
Print(Context, TEXT(" SSS ID. "), FontBSDFPropName); Print(Context, SubsurfaceProfileInt, FontBSDFPropValu); Newline(Context, RectMax);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case SUBSTRATE_BSDF_TYPE_SINGLELAYERWATER:
|
|
{
|
|
Print(Context, TEXT("Water"), FontBSDFType);
|
|
PrintAddress(Context, SubstrateAddressing);
|
|
Newline(Context);
|
|
|
|
Print(Context, TEXT(" BaseColor "), FontBSDFPropName); Print(Context, SLW_BASECOLOR(BSDF), FontBSDFPropValu); Newline(Context, RectMax);
|
|
Print(Context, TEXT(" Metallic "), FontBSDFPropName); Print(Context, SLW_METALLIC(BSDF), FontBSDFPropValu); Newline(Context, RectMax);
|
|
Print(Context, TEXT(" Specular "), FontBSDFPropName); Print(Context, SLW_SPECULAR(BSDF), FontBSDFPropValu); Newline(Context, RectMax);
|
|
Print(Context, TEXT(" Roughness "), FontBSDFPropName); Print(Context, SLW_ROUGHNESS(BSDF), FontBSDFPropValu); Newline(Context, RectMax);
|
|
Print(Context, TEXT(" Top Material Opacity "), FontBSDFPropName); Print(Context, SLW_TOPMATERIALOPACITY(BSDF), FontBSDFPropValu); Newline(Context, RectMax);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
{
|
|
Print(Context, TEXT("Error - Uknown BSDF type"), FontRed);
|
|
}
|
|
break;
|
|
}
|
|
|
|
Newline(Context);
|
|
}
|
|
|
|
void PrintPixel(uint2 InCoord, float3 InWorldPosition, float3 V)
|
|
{
|
|
FShaderPrintContext Context;
|
|
if (BSDFIndex > 0)
|
|
{
|
|
float2 PrintOffset;
|
|
PrintOffset.x = asfloat(RWPositionOffsetBuffer[0]);
|
|
PrintOffset.y = asfloat(RWPositionOffsetBuffer[1]);
|
|
Context = InitShaderPrintContext(true, PrintOffset);
|
|
}
|
|
else
|
|
{
|
|
Context = InitShaderPrintContext(true, uint2(50, 50));
|
|
}
|
|
|
|
FSubstrateAddressing SubstrateAddressing = GetSubstratePixelDataByteOffset(InCoord, uint2(View.BufferSizeAndInvSize.xy), Substrate.MaxBytesPerPixel);
|
|
const uint FootPrint_Start = SubstrateAddressing.ReadBytes;
|
|
|
|
FSubstratePixelHeader Header = UnpackSubstrateHeaderIn(Substrate.MaterialTextureArray, SubstrateAddressing, Substrate.TopLayerTexture);
|
|
const uint FootPrint_PostHeader = SubstrateAddressing.ReadBytes;
|
|
|
|
const FFontColor FontBSDFCount = FontEmerald;
|
|
const FFontColor FontHeaderStateName = FontWhite;
|
|
const FFontColor FontHeaderPropName = FontWhite;
|
|
const FFontColor FontHeaderPropValue = FontSilver;
|
|
|
|
// Backgroun rect. for better print visibility. Track min/max point
|
|
float2 RectMin = Context.Pos;
|
|
float2 RectMax = Context.StartPos;
|
|
|
|
// Header
|
|
if (BSDFIndex < Header.BSDFCount && BSDFIndex == 0)
|
|
{
|
|
const FSubstrateTopLayerData TopLayerData = SubstrateUnpackTopLayerData((SUBSTRATE_TOP_LAYER_TYPE)Substrate.TopLayerTexture.Load(uint3(InCoord, 0)));
|
|
|
|
const bool bSubstrateMaterial = Header.BSDFCount > 0;
|
|
const bool bIsSimpleMaterial = Header.IsSimpleMaterial() || Header.BSDFCount == 0;
|
|
const bool bIsSingleMaterial = !Header.IsSimpleMaterial() && Header.IsSingleMaterial();
|
|
|
|
FSubstrateIrradianceAndOcclusion IrradianceAndOcclusion = SubstrateGetIrradianceAndAO(Header);
|
|
|
|
RectMin = Context.Pos;
|
|
Print(Context, Header.BSDFCount, FontBSDFCount, 2, 0);
|
|
Print(Context, TEXT("BSDF"), FontBSDFCount);
|
|
Print(Context, TEXT(" - "), FontWhite);
|
|
PrintPixelType(Context, Header, FontLightRed);
|
|
if (bIsSingleMaterial)
|
|
{
|
|
#if SUBSTRATE_DEFERRED_SHADING
|
|
uint OptimisedLegacyMode = (Header.SharedLocalBasesTypes_PackedHeader >> (HEADER_SINGLEENCODING_BIT_COUNT)) & HEADER_SINGLE_OPTLEGACYMODE_BIT_MASK;
|
|
if (OptimisedLegacyMode ==SINGLE_OPTLEGACYMODE_CLEARCOAT)
|
|
{
|
|
Print(Context, TEXT(" - Legacy Clear-Coat"), FontLightRed);
|
|
}
|
|
else if (OptimisedLegacyMode ==SINGLE_OPTLEGACYMODE_CLOTH)
|
|
{
|
|
Print(Context, TEXT(" - Legacy Cloth"), FontLightRed);
|
|
}
|
|
else if (OptimisedLegacyMode ==SINGLE_OPTLEGACYMODE_SSSWRAP)
|
|
{
|
|
Print(Context, TEXT(" - Legacy SSS-Wrap"), FontLightRed);
|
|
}
|
|
else if (OptimisedLegacyMode == SINGLE_OPTLEGACYMODE_SSSWRAP_THIN)
|
|
{
|
|
Print(Context, TEXT(" - Legacy Foliage"), FontLightRed);
|
|
}
|
|
else if (OptimisedLegacyMode == SINGLE_OPTLEGACYMODE_SSSPROFILE)
|
|
{
|
|
Print(Context, TEXT(" - Legacy SSS-Profile"), FontLightRed);
|
|
}
|
|
#endif
|
|
}
|
|
Newline(Context, RectMax);
|
|
|
|
Print(Context, TEXT(" AO IndIrr TopRoughness PreShadow ZeroShadow ContacShadow Ind.Occluder HasSSS"), FontHeaderStateName);
|
|
Newline(Context, RectMax);
|
|
|
|
Print(Context, TEXT(" "));
|
|
Print(Context, IrradianceAndOcclusion.MaterialAO, FontHeaderPropValue, 5, 3); Print(Context, TEXT(" "));
|
|
Print(Context, IrradianceAndOcclusion.IndirectIrradiance, FontHeaderPropValue, 6, 3); Print(Context, TEXT(" "));
|
|
Print(Context, TopLayerData.Roughness, FontHeaderPropValue, 5, 3); Print(Context, TEXT(" "));
|
|
PrintBool(Context, Header.HasPrecShadowMask()); Print(Context, TEXT(" "));
|
|
PrintBool(Context, Header.HasZeroPrecShadowMask()); Print(Context, TEXT(" "));
|
|
PrintBool(Context, Header.DoesCastContactShadow()); Print(Context, TEXT(" "));
|
|
PrintBool(Context, Header.HasDynamicIndirectShadowCasterRepresentation()); Print(Context, TEXT(" "));
|
|
PrintBool(Context, Header.HasSubsurface());
|
|
Newline(Context, RectMax);
|
|
Newline(Context);
|
|
|
|
PrintBackgroundRect(Context, RectMin, RectMax);
|
|
}
|
|
|
|
// BSDFs
|
|
if (BSDFIndex < Header.BSDFCount)
|
|
{
|
|
if (BSDFIndex > 0)
|
|
{
|
|
const uint AddressOffset = UnpackBSDFOffsetAtIndex(Substrate.BSDFOffsetTexture[InCoord], BSDFIndex, Header.BSDFCount);
|
|
SubstrateSeekBSDF(SubstrateAddressing, AddressOffset);
|
|
}
|
|
|
|
RectMin = Context.Pos;
|
|
RectMax = Context.StartPos;
|
|
PrintBSDF(Context, SubstrateAddressing, Header, InWorldPosition, V, RectMax);
|
|
PrintBackgroundRect(Context, RectMin, RectMax);
|
|
|
|
RWPositionOffsetBuffer[0] = asuint(Context.Pos.x);
|
|
RWPositionOffsetBuffer[1] = asuint(Context.Pos.y);
|
|
}
|
|
|
|
// Memory footprint
|
|
if (BSDFIndex+1 == Header.BSDFCount)
|
|
{
|
|
const bool bSubstrateMaterial = Header.BSDFCount > 0;
|
|
const bool bIsSimpleMaterial = Header.IsSimpleMaterial() || Header.BSDFCount == 0;
|
|
const bool bIsSingleMaterial = !Header.IsSimpleMaterial() && Header.IsSingleMaterial();
|
|
|
|
const uint FootPrint_PostBSDFs = SubstrateAddressing.ReadBytes;
|
|
|
|
const FSubstrateSubsurfaceHeader SSSHeader = SubstrateLoadSubsurfaceHeader(Substrate.MaterialTextureArray, Substrate.FirstSliceStoringSubstrateSSSData, SubstrateAddressing.PixelCoords);
|
|
const bool bHasSSSData = SubstrateSubSurfaceHeaderGetIsValid(SSSHeader);
|
|
|
|
const uint TopLayerDataBytes = 4; // bytes
|
|
const uint SSSDataBytes = 8;
|
|
|
|
const uint HeaderSize = FootPrint_PostHeader - FootPrint_Start;
|
|
const uint BSDFsSize = FootPrint_PostBSDFs - FootPrint_PostHeader;
|
|
const uint TotalSize = (FootPrint_PostBSDFs - FootPrint_Start) + (bHasSSSData ? SSSDataBytes : 0);
|
|
|
|
RectMin = Context.Pos;
|
|
RectMax = Context.StartPos;
|
|
Print(Context, TEXT("Memory"), FontEmerald); Newline(Context, RectMax);
|
|
if (bIsSingleMaterial || Header.IsEye() || Header.IsHair())
|
|
{
|
|
Print(Context, TEXT(" Header "), FontSilver); Print(Context, HeaderSize - TopLayerDataBytes, FontSilver, 3, 0); Print(Context, TEXT("bytes"), FontSilver); Newline(Context, RectMax);
|
|
Print(Context, TEXT(" TopNormalTex "), FontSilver); Print(Context, TopLayerDataBytes, FontSilver, 3, 0); Print(Context, TEXT("bytes"), FontSilver); Newline(Context, RectMax);
|
|
Print(Context, TEXT(" BSDF "), FontSilver); Print(Context, BSDFsSize, FontSilver, 3, 0); Print(Context, TEXT("bytes"), FontSilver); Newline(Context, RectMax);
|
|
}
|
|
else if (bIsSimpleMaterial || Header.IsSingleLayerWater())
|
|
{
|
|
Print(Context, TEXT(" Header+BSDF "), FontSilver); Print(Context, HeaderSize + BSDFsSize - TopLayerDataBytes, FontSilver, 3, 0); Print(Context, TEXT("bytes"), FontSilver); Newline(Context, RectMax);
|
|
Print(Context, TEXT(" TopNormalTex "), FontSilver); Print(Context, TopLayerDataBytes, FontSilver, 3, 0); Print(Context, TEXT("bytes"), FontSilver); Newline(Context, RectMax);
|
|
}
|
|
else
|
|
{
|
|
Print(Context, TEXT(" Header+Norm "), FontSilver); Print(Context, HeaderSize, FontSilver, 3, 0); Print(Context, TEXT("bytes"), FontSilver); Newline(Context, RectMax);
|
|
Print(Context, TEXT(" BSDFs "), FontSilver); Print(Context, BSDFsSize, FontSilver, 3, 0); Print(Context, TEXT("bytes"), FontSilver); Newline(Context, RectMax);
|
|
}
|
|
|
|
if (bHasSSSData)
|
|
{
|
|
Print(Context, TEXT(" SSS Data "), FontSilver); Print(Context, SSSDataBytes, FontSilver, 3, 0); Print(Context, TEXT("bytes"), FontSilver); Newline(Context, RectMax);
|
|
}
|
|
|
|
Print(Context, TEXT(" Total "), FontOrange); Print(Context, TotalSize, FontOrange, 3, 0); Print(Context, TEXT("bytes"), FontOrange); Newline(Context, RectMax);
|
|
PrintBackgroundRect(Context, RectMin, RectMax);
|
|
}
|
|
}
|
|
|
|
float3 GetWorldPositionFromPixelPos(uint2 PixelPos)
|
|
{
|
|
const float2 BufferUV = SvPositionToBufferUV(float4(PixelPos + 0.5f, 0, 0));
|
|
const float2 ScreenPosition = SvPositionToScreenPosition(float4(PixelPos, 0.5f, 1)).xy;
|
|
const float DeviceZ = SampleDeviceZFromSceneTextures(BufferUV);
|
|
const float SceneDepth = ConvertFromDeviceZ(DeviceZ);
|
|
const float3 WorldPosition = mul(float4(ScreenPosition * SceneDepth, SceneDepth, 1), PrimaryView.ScreenToTranslatedWorld).xyz;
|
|
return WorldPosition;
|
|
}
|
|
|
|
[numthreads(1, 1, 1)]
|
|
void MaterialPrintInfoCS(uint3 DispatchThreadId : SV_DispatchThreadID)
|
|
{
|
|
const uint2 PixelPos = (float2(View.CursorPosition) * View.ViewResolutionFraction);
|
|
const float3 WorldPosition = GetWorldPositionFromPixelPos(PixelPos);
|
|
const float3 V = -normalize(WorldPosition - PrimaryView.TranslatedWorldCameraOrigin);
|
|
|
|
// Print pixel info
|
|
PrintPixel(PixelPos, WorldPosition, V);
|
|
|
|
// Print pixel footprint
|
|
const float3 WorldPositionX = GetWorldPositionFromPixelPos(PixelPos + uint2(1, 0));
|
|
const float3 WorldPositionY = GetWorldPositionFromPixelPos(PixelPos + uint2(0, 1));
|
|
const float3 dPdx = WorldPositionX - WorldPosition;
|
|
const float3 dPdy = WorldPositionY - WorldPosition;
|
|
DrawPixelFootprint(WorldPosition, dPdx, dPdy, PixelPos);
|
|
}
|
|
#endif // SHADER_MATERIALPRINT
|
|
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
|
// Material Visualize
|
|
|
|
#if SHADER_MATERIALCOUNT
|
|
|
|
uint ViewMode;
|
|
|
|
float3 BytePerPixelToColor(uint In)
|
|
{
|
|
float3 Out = 0;
|
|
// 16->32 : Blue -> green
|
|
// 32->64 : Green -> Orange
|
|
// 64->128 : Orange -> Red
|
|
if (In < 32)
|
|
{
|
|
Out = ColorMapTurbo(saturate((In-16.f) / 32.f) * 0.25f + 0.25f);
|
|
}
|
|
else if (In < 64)
|
|
{
|
|
Out = ColorMapTurbo(saturate((In-32.f) / 32.f) * 0.25f + 0.5f);
|
|
}
|
|
else
|
|
{
|
|
Out = ColorMapTurbo(saturate((In-64.f) / 64.f) * 0.25f + 0.75f);
|
|
}
|
|
|
|
return Out;
|
|
}
|
|
|
|
void VisualizeMaterialPS(
|
|
float4 SVPos : SV_POSITION,
|
|
out float4 OutColor : SV_Target0)
|
|
{
|
|
const uint2 PixelPosDynRes = uint2(float2(SVPos.xy) * View.ViewResolutionFraction);
|
|
float2 BufferUV = SvPositionToBufferUV(float4(PixelPosDynRes, SVPos.zw));
|
|
|
|
const float2 ScreenPosition = SvPositionToScreenPosition(SVPos).xy;
|
|
const float2 ScreenMaterialPosition = SvPositionToScreenPosition(float4(PixelPosDynRes, 0.5f, 1)).xy;
|
|
float DeviceZ = SampleDeviceZFromSceneTextures(BufferUV);
|
|
float SceneDepth = ConvertFromDeviceZ(DeviceZ);
|
|
const float3 WorldPosition = mul(float4(ScreenMaterialPosition * SceneDepth, SceneDepth, 1), PrimaryView.ScreenToTranslatedWorld).xyz;
|
|
const float3 V = -normalize(WorldPosition - PrimaryView.TranslatedWorldCameraOrigin);
|
|
|
|
FSubstrateAddressing SubstrateAddressing = GetSubstratePixelDataByteOffset(PixelPosDynRes, uint2(View.BufferSizeAndInvSize.xy), Substrate.MaxBytesPerPixel);
|
|
const uint FootPrint_Start = SubstrateAddressing.ReadBytes;
|
|
FSubstratePixelHeader Header = UnpackSubstrateHeaderIn(Substrate.MaterialTextureArray, SubstrateAddressing, Substrate.TopLayerTexture);
|
|
const bool bSubstrateMaterial = Header.BSDFCount > 0;
|
|
|
|
OutColor = 0;
|
|
OutColor.w = 0.1f;
|
|
if (ViewMode == 2)
|
|
{
|
|
// BSDF count
|
|
const float MaxBSDFCount = 4.f;
|
|
if (Header.BSDFCount > 0)
|
|
{
|
|
const float BSDFCost = saturate(float(Header.BSDFCount) / MaxBSDFCount);
|
|
OutColor.xyz = ColorMapTurbo(BSDFCost);
|
|
}
|
|
|
|
// Print Legend
|
|
if (all(uint2(SVPos.xy) == uint2(0,0)))
|
|
{
|
|
FShaderPrintContext Context = InitShaderPrintContext(true, uint2(50, 50));
|
|
Print(Context, TEXT("1 BSDF"), InitFontColor(ColorMapTurbo(1 / MaxBSDFCount))); Newline(Context);
|
|
Print(Context, TEXT("2 BSDF"), InitFontColor(ColorMapTurbo(2 / MaxBSDFCount))); Newline(Context);
|
|
Print(Context, TEXT("3 BSDF"), InitFontColor(ColorMapTurbo(3 / MaxBSDFCount))); Newline(Context);
|
|
Print(Context, TEXT("4 BSDF"), InitFontColor(ColorMapTurbo(4 / MaxBSDFCount))); Newline(Context);
|
|
}
|
|
}
|
|
else if (ViewMode == 3)
|
|
{
|
|
FSubstrateAddressing SubstrateAddressing = GetSubstratePixelDataByteOffset(PixelPosDynRes, uint2(View.BufferSizeAndInvSize.xy), Substrate.MaxBytesPerPixel);
|
|
FSubstratePixelHeader Header = UnpackSubstrateHeaderIn(Substrate.MaterialTextureArray, SubstrateAddressing, Substrate.TopLayerTexture);
|
|
|
|
uint MaterialBytePerPixel = 0;
|
|
Substrate_for (uint BSDFIndex = 0, BSDFIndex < Header.BSDFCount, ++BSDFIndex)
|
|
{
|
|
// Unpack BSDF data
|
|
FSubstrateBSDF BSDF = UnpackSubstrateBSDF(Substrate.MaterialTextureArray, SubstrateAddressing, Header);
|
|
MaterialBytePerPixel = SubstrateAddressing.ReadBytes;
|
|
}
|
|
|
|
OutColor.xyz = BytePerPixelToColor(MaterialBytePerPixel);
|
|
|
|
// Print Legend
|
|
if (all(uint2(SVPos.xy) == uint2(0,0)))
|
|
{
|
|
FShaderPrintContext Context = InitShaderPrintContext(true, uint2(50, 50));
|
|
Print(Context, TEXT("16 Bytes"), InitFontColor(BytePerPixelToColor(16))); Newline(Context);
|
|
Print(Context, TEXT("32 Bytes"), InitFontColor(BytePerPixelToColor(32))); Newline(Context);
|
|
Print(Context, TEXT("64 Bytes"), InitFontColor(BytePerPixelToColor(64))); Newline(Context);
|
|
Print(Context, TEXT("96 Bytes"), InitFontColor(BytePerPixelToColor(96))); Newline(Context);
|
|
Print(Context, TEXT("128 Bytes"), InitFontColor(BytePerPixelToColor(128))); Newline(Context);
|
|
}
|
|
|
|
// Cursor
|
|
if (all(PixelPosDynRes == ShaderPrintData.CursorCoord))
|
|
{
|
|
FShaderPrintContext Context = InitShaderPrintContext(true, uint2(250, 50));
|
|
Print(Context, MaterialBytePerPixel, InitFontColor(BytePerPixelToColor(MaterialBytePerPixel)), 3, 0);
|
|
Print(Context, TEXT("/"), FontWhite);
|
|
Print(Context, Substrate.MaxBytesPerPixel, FontYellow, 3, 0);
|
|
Print(Context, TEXT(" Bytes"), FontWhite);
|
|
}
|
|
}
|
|
}
|
|
#endif // SHADER_MATERIALCOUNT
|
|
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
|
// Advanced Material Visualize
|
|
|
|
#define BSDF_ELEMENT_SIZE 210
|
|
#define BSDF_ELEMENT_STARTX 100.0f + 450.0f
|
|
#define BSDF_ELEMENT_STARTY 100
|
|
|
|
#if SHADER_DEBUGSUBSTRATETREE_PS || SHADER_DEBUGSUBSTRATETREE_CS
|
|
|
|
#define TREE_MAX_DEPTH 4
|
|
#define TREE_START_POS float2(1300, 350)
|
|
#define TREE_BRANCH float2(100, 75)
|
|
#define TREE_COLOR float4(0.8, 0.8, 0.8, 1.0)
|
|
#define TREE_NODE_RADIUS 20.0
|
|
|
|
float2 GetBranchOffset(FSubstrateOperator Op, bool bIsLeft)
|
|
{
|
|
if (Op.Type == SUBSTRATE_OPERATOR_WEIGHT)
|
|
{
|
|
return float2(0, TREE_BRANCH.y);
|
|
}
|
|
return TREE_BRANCH * (bIsLeft ? float2(-1, 1) : float2(1, 1));
|
|
}
|
|
|
|
#endif // SHADER_DEBUGSUBSTRATETREE_PS || SHADER_DEBUGSUBSTRATETREE_CS
|
|
|
|
|
|
#if SHADER_DEBUGSUBSTRATETREE_CS
|
|
|
|
[numthreads(1, 1, 1)]
|
|
void MaterialDebugSubstrateTreeCS(uint3 DispatchThreadId : SV_DispatchThreadID)
|
|
{
|
|
// UE-194712 - Temporary workaround with Vulkan shader compilation
|
|
#if !COMPILER_VULKAN
|
|
const uint2 PixelPos = (float2(View.CursorPosition) * View.ViewResolutionFraction);
|
|
|
|
FSubstrateAddressing SubstrateAddressing = GetSubstratePixelDataByteOffset(PixelPos, uint2(View.BufferSizeAndInvSize.xy), Substrate.MaxBytesPerPixel);
|
|
FSubstratePixelHeader Header = UnpackSubstrateHeaderIn(Substrate.MaterialTextureArray, SubstrateAddressing, Substrate.TopLayerTexture);
|
|
if (Header.BSDFCount > 0)
|
|
{
|
|
const int SliceStoringDebugSubstrateTreeData = Substrate.SliceStoringDebugSubstrateTreeData;
|
|
|
|
FSubstrateTreeHeader SubstrateTreeHeader = (FSubstrateTreeHeader)0;
|
|
SubstrateUnpackInSubstrateTreeHeader(
|
|
Substrate.MaterialTextureArray,
|
|
SubstrateTreeHeader,
|
|
SliceStoringDebugSubstrateTreeData);
|
|
|
|
FShaderPrintContext Context;
|
|
Context = InitShaderPrintContext(true, uint2(50, 50));
|
|
|
|
const int BSDFCount = SubstrateTreeHeader.BSDFCount;
|
|
|
|
Print(Context, BSDFCount, FontYellow, 2, 0);
|
|
Print(Context, TEXT("BSDFs"), FontYellow);
|
|
if (SubstrateTreeHeader.ConvertedFromLegacy)
|
|
{
|
|
Print(Context, TEXT(" (Converted from legacy material)"), FontOrange);
|
|
}
|
|
Newline(Context);
|
|
Print(Context, SubstrateTreeHeader.OperatorCount, FontWhite, 2, 0);
|
|
Print(Context, TEXT("Operators"), FontWhite);
|
|
|
|
#define MAX_LAYER_COUNT 4
|
|
float LayerAccCoverage[MAX_LAYER_COUNT];
|
|
{
|
|
for (int i = 0; i < MAX_LAYER_COUNT; ++i)
|
|
{
|
|
LayerAccCoverage[i] = 0.0f;
|
|
}
|
|
}
|
|
|
|
Context = InitShaderPrintContext(true, uint2(50, BSDF_ELEMENT_STARTY));
|
|
{
|
|
SubstrateTreeHeader.OperatorCount = min(SubstrateTreeHeader.OperatorCount, 2);
|
|
SUBSTRATE_UNROLL_N(2)
|
|
for (int i = 0; i < SubstrateTreeHeader.OperatorCount; i++)
|
|
{
|
|
FSubstrateOperator Op = SubstrateUnpackInSubstrateTreeOperator(
|
|
i,
|
|
Substrate.MaterialTextureArray,
|
|
SubstrateTreeHeader,
|
|
SliceStoringDebugSubstrateTreeData);
|
|
|
|
Print(Context, TEXT("OperatorIndex = "), FontCyan);
|
|
Print(Context, i, FontCyan, 2, 0);
|
|
Newline(Context);
|
|
Print(Context, TEXT("ParentIndex = "), FontWhite);
|
|
Print(Context, Op.ParentIndex, FontWhite, 2, 0);
|
|
Newline(Context);
|
|
Print(Context, TEXT("LayerDepth = "), FontWhite);
|
|
Print(Context, Op.LayerDepth, FontWhite, 2, 0);
|
|
Newline(Context);
|
|
Print(Context, TEXT("MaxDistanceFromLeaves = "), FontWhite);
|
|
Print(Context, Op.MaxDistanceFromLeaves, FontWhite, 2, 0);
|
|
Newline(Context);
|
|
Print(Context, TEXT("Type = "), FontWhite);
|
|
if (Op.Type == SUBSTRATE_OPERATOR_WEIGHT)
|
|
{
|
|
Print(Context, TEXT("WEIGHT"), FontWhite);
|
|
}
|
|
else if (Op.Type == SUBSTRATE_OPERATOR_VERTICAL)
|
|
{
|
|
Print(Context, TEXT("VERTICAL"), FontWhite);
|
|
}
|
|
else if (Op.Type == SUBSTRATE_OPERATOR_HORIZONTAL)
|
|
{
|
|
Print(Context, TEXT("HORIZONTAL"), FontWhite);
|
|
}
|
|
else if (Op.Type == SUBSTRATE_OPERATOR_ADD)
|
|
{
|
|
Print(Context, TEXT("ADD"), FontWhite);
|
|
}
|
|
else if (Op.Type == SUBSTRATE_OPERATOR_BSDF)
|
|
{
|
|
Print(Context, TEXT("BSDF"), FontWhite);
|
|
}
|
|
else if (Op.Type == SUBSTRATE_OPERATOR_BSDF_LEGACY)
|
|
{
|
|
Print(Context, TEXT("BSDF_LEGACY"), FontWhite);
|
|
}
|
|
else
|
|
{
|
|
Print(Context, TEXT("UNKOWN"), FontWhite);
|
|
}
|
|
Newline(Context);
|
|
if (Op.Type == SUBSTRATE_OPERATOR_BSDF)
|
|
{
|
|
Print(Context, TEXT("BSDFIndex = "), FontYellow);
|
|
Print(Context, Op.LeftIndex, FontYellow, 2, 0);
|
|
}
|
|
else
|
|
{
|
|
Print(Context, TEXT("LeftIndex = "), FontWhite);
|
|
Print(Context, Op.LeftIndex, FontWhite, 2, 0);
|
|
}
|
|
Newline(Context);
|
|
Print(Context, TEXT("RightIndex = "), FontWhite);
|
|
Print(Context, Op.RightIndex, FontWhite, 2, 0);
|
|
Newline(Context);
|
|
Print(Context, TEXT("Weight = "), FontWhite);
|
|
Print(Context, Op.Weight, FontWhite, 5, 2);
|
|
Newline(Context);
|
|
Print(Context, TEXT("Coverage = "), FontWhite);
|
|
Print(Context, Op.Coverage, FontWhite, 5, 2);
|
|
Newline(Context);
|
|
Newline(Context);
|
|
}
|
|
}
|
|
|
|
{
|
|
SubstrateTreeHeader.BSDFCount = min(SubstrateTreeHeader.BSDFCount, 2);
|
|
SUBSTRATE_UNROLL_N(2)
|
|
for (int i = 0; i < SubstrateTreeHeader.BSDFCount; i++)
|
|
{
|
|
FSubstrateBSDF BSDF = SubstrateUnpackInSubstrateTreeBSDF(
|
|
i,
|
|
Substrate.MaterialTextureArray,
|
|
SubstrateTreeHeader,
|
|
SliceStoringDebugSubstrateTreeData);
|
|
|
|
const bool bActive = any(BSDF.LuminanceWeightV > 0.0);
|
|
FFontColor BSDFFont = FontDarkRed;
|
|
|
|
Context = InitShaderPrintContext(true, uint2(300, BSDF_ELEMENT_STARTY + BSDF_ELEMENT_SIZE * i));
|
|
Print(Context, TEXT("BSDFIndex = "), FontYellow);
|
|
Print(Context, i, FontYellow, 2, 0);
|
|
if (!bActive)
|
|
{
|
|
Print(Context, TEXT("DISABLED"), FontDarkRed);
|
|
}
|
|
else
|
|
{
|
|
BSDFFont = FontWhite;
|
|
}
|
|
Newline(Context);
|
|
Print(Context, TEXT("OperatorIndex = "), FontCyan);
|
|
Print(Context, BSDF.OperatorIndex, FontCyan, 2, 0);
|
|
Newline(Context);
|
|
Print(Context, TEXT("Coverage = "), BSDFFont);
|
|
Print(Context, BSDF.Coverage, BSDFFont, 5, 2);
|
|
Newline(Context);
|
|
Print(Context, TEXT("LumWghtV = "), BSDFFont);
|
|
Print(Context, BSDF.LuminanceWeightV.r, FontLightRed, 5, 2);
|
|
Print(Context, BSDF.LuminanceWeightV.g, FontLightGreen, 5, 2);
|
|
Print(Context, BSDF.LuminanceWeightV.b, FontLightBlue, 5, 2);
|
|
Newline(Context);
|
|
Print(Context, TEXT("TopTrans = "), BSDFFont);
|
|
Print(Context, BSDF.TransmittanceAboveAlongN.r, FontLightRed, 5, 2);
|
|
Print(Context, BSDF.TransmittanceAboveAlongN.g, FontLightGreen, 5, 2);
|
|
Print(Context, BSDF.TransmittanceAboveAlongN.b, FontLightBlue, 5, 2);
|
|
Newline(Context);
|
|
Print(Context, TEXT("TopCover = "), BSDFFont);
|
|
Print(Context, BSDF.CoverageAboveAlongN, FontLightRed, 5, 2);
|
|
Newline(Context);
|
|
Newline(Context);
|
|
Print(Context, TEXT("Diffuse = "), BSDFFont);
|
|
const float3 BSDFDiffuse = SubstrateGetBSDFDiffuseColor(BSDF);
|
|
Print(Context, BSDFDiffuse.r, FontLightRed, 5, 2);
|
|
Print(Context, BSDFDiffuse.g, FontLightGreen, 5, 2);
|
|
Print(Context, BSDFDiffuse.b, FontLightBlue, 5, 2);
|
|
Newline(Context);
|
|
}
|
|
}
|
|
|
|
Context = InitShaderPrintContext(true, uint2(675, BSDF_ELEMENT_STARTY - 50));
|
|
Print(Context, TEXT("BSDF visualization"), FontWhite);
|
|
|
|
Context = InitShaderPrintContext(true, uint2(1165, BSDF_ELEMENT_STARTY - 50));
|
|
Print(Context, TEXT("Topology"), FontWhite);
|
|
|
|
// Debug print the Substrate tree only for DXC for the sake of compilation performance.
|
|
#if SUBSTRATE_COMPILER
|
|
uint NodeIndexStack[TREE_MAX_DEPTH];
|
|
uint ChildrenVisitedStack[TREE_MAX_DEPTH]; // 0:none, 1:left, 2:left&right
|
|
float2 PrintPosStack[TREE_MAX_DEPTH];
|
|
|
|
int StackPtr = 0;
|
|
NodeIndexStack[StackPtr] = SubstrateTreeHeader.RootOperatorIndex;
|
|
ChildrenVisitedStack[StackPtr] = 0;
|
|
PrintPosStack[StackPtr] = TREE_START_POS;
|
|
|
|
while (StackPtr >= 0)
|
|
{
|
|
uint OperatorIndex = NodeIndexStack[StackPtr];
|
|
FSubstrateOperator Op = SubstrateUnpackInSubstrateTreeOperator(
|
|
OperatorIndex,
|
|
Substrate.MaterialTextureArray,
|
|
SubstrateTreeHeader,
|
|
SliceStoringDebugSubstrateTreeData);
|
|
|
|
Context = InitShaderPrintContext(true, uint2(PrintPosStack[StackPtr]));
|
|
if (Op.Type == SUBSTRATE_OPERATOR_WEIGHT)
|
|
{
|
|
Print(Context, TEXT("W"), FontWhite);
|
|
}
|
|
else if (Op.Type == SUBSTRATE_OPERATOR_VERTICAL)
|
|
{
|
|
Print(Context, TEXT("V"), FontWhite);
|
|
}
|
|
else if (Op.Type == SUBSTRATE_OPERATOR_HORIZONTAL)
|
|
{
|
|
Print(Context, TEXT("H"), FontWhite);
|
|
}
|
|
else if (Op.Type == SUBSTRATE_OPERATOR_ADD)
|
|
{
|
|
Print(Context, TEXT("A"), FontWhite);
|
|
}
|
|
else if (Op.Type == SUBSTRATE_OPERATOR_BSDF)
|
|
{
|
|
Context = InitShaderPrintContext(true, uint2(PrintPosStack[StackPtr]) - uint2(3,0));
|
|
Print(Context, TEXT("B"), FontYellow);
|
|
Print(Context, Op.LeftIndex, FontYellow);
|
|
}
|
|
else if (Op.Type == SUBSTRATE_OPERATOR_BSDF_LEGACY)
|
|
{
|
|
Print(Context, TEXT("BL"), FontWhite);
|
|
}
|
|
else
|
|
{
|
|
Print(Context, TEXT("UNKOWN"), FontWhite);
|
|
}
|
|
|
|
const float2 ParentPrintPos = PrintPosStack[StackPtr];
|
|
|
|
AddCircleSS(Context, ParentPrintPos, TREE_NODE_RADIUS, TREE_COLOR);
|
|
|
|
if (Op.LayerDepth == TREE_MAX_DEPTH - 1 || Op.Type == SUBSTRATE_OPERATOR_BSDF || Op.Type == SUBSTRATE_OPERATOR_BSDF_LEGACY)
|
|
{
|
|
StackPtr--;
|
|
continue;
|
|
}
|
|
|
|
if (ChildrenVisitedStack[StackPtr] == 0)
|
|
{
|
|
if (Op.LeftIndex >= 0)
|
|
{
|
|
ChildrenVisitedStack[StackPtr] = 1;
|
|
|
|
StackPtr++;
|
|
NodeIndexStack[StackPtr] = Op.LeftIndex;
|
|
ChildrenVisitedStack[StackPtr] = 0;
|
|
|
|
const float2 BranchOffset = GetBranchOffset(Op, true);
|
|
const float2 BranchOffsetNorm = normalize(BranchOffset);
|
|
PrintPosStack[StackPtr] = ParentPrintPos + BranchOffset;
|
|
AddLineSS(Context, ParentPrintPos + TREE_NODE_RADIUS * BranchOffsetNorm, PrintPosStack[StackPtr] - TREE_NODE_RADIUS * BranchOffsetNorm, TREE_COLOR);
|
|
}
|
|
else if (Op.RightIndex >= 0)
|
|
{
|
|
ChildrenVisitedStack[StackPtr] = 2;
|
|
|
|
StackPtr++;
|
|
NodeIndexStack[StackPtr] = Op.RightIndex;
|
|
ChildrenVisitedStack[StackPtr] = 0;
|
|
|
|
const float2 BranchOffset = GetBranchOffset(Op, false);
|
|
const float2 BranchOffsetNorm = normalize(BranchOffset);
|
|
PrintPosStack[StackPtr] = ParentPrintPos + BranchOffset;
|
|
AddLineSS(Context, ParentPrintPos + TREE_NODE_RADIUS * BranchOffsetNorm, PrintPosStack[StackPtr] - TREE_NODE_RADIUS * BranchOffsetNorm, TREE_COLOR);
|
|
}
|
|
else
|
|
{
|
|
StackPtr--;
|
|
}
|
|
}
|
|
else if (ChildrenVisitedStack[StackPtr] == 1)
|
|
{
|
|
if (Op.RightIndex >= 0)
|
|
{
|
|
ChildrenVisitedStack[StackPtr] = 2;
|
|
|
|
StackPtr++;
|
|
NodeIndexStack[StackPtr] = Op.RightIndex;
|
|
ChildrenVisitedStack[StackPtr] = 0;
|
|
|
|
const float2 BranchOffset = GetBranchOffset(Op, false);
|
|
const float2 BranchOffsetNorm = normalize(BranchOffset);
|
|
PrintPosStack[StackPtr] = ParentPrintPos + BranchOffset;
|
|
AddLineSS(Context, ParentPrintPos + TREE_NODE_RADIUS * BranchOffsetNorm, PrintPosStack[StackPtr] - TREE_NODE_RADIUS * BranchOffsetNorm, TREE_COLOR);
|
|
}
|
|
else
|
|
{
|
|
StackPtr--;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
StackPtr--;
|
|
}
|
|
}
|
|
|
|
#endif // SUBSTRATE_COMPILER
|
|
|
|
}
|
|
#endif
|
|
}
|
|
|
|
#endif // SHADER_DEBUGSUBSTRATETREE_CS
|
|
|
|
#if SHADER_DEBUGSUBSTRATETREE_PS
|
|
|
|
#include "../DeferredShadingCommon.ush"
|
|
#define SUPPORT_CONTACT_SHADOWS 0
|
|
#include "../DeferredLightingCommon.ush"
|
|
|
|
#include "SubstrateEvaluation.ush"
|
|
|
|
// These defines are needed for environment lighting in SubstrateLightingCommon
|
|
#define ENABLE_DYNAMIC_SKY_LIGHT 1
|
|
#define ENABLE_SKY_LIGHT 1
|
|
#define SUPPORT_DFAO_INDIRECT_OCCLUSION 0
|
|
#define SUBSTRATE_FASTPATH 0
|
|
#define REFLECTION_COMPOSITE_USE_BLENDED_REFLECTION_CAPTURES 0
|
|
#include "../ReflectionEnvironmentShared.ush"
|
|
#include "../SkyLightingDiffuseShared.ush"
|
|
#include "../ReflectionEnvironmentComposite.ush"
|
|
|
|
#define USE_SUBSTRATE_ENV_LIGHTING_COMMON 1
|
|
#define USE_SUBSTRATE_FORWARD_LIGHTING_COMMON 1
|
|
#include "SubstrateLightingCommon.ush"
|
|
|
|
float4 GetBackgroundCheckboardColor(float2 UV)
|
|
{
|
|
const float Count = 16.0f;
|
|
uint2 UVi = uint2(UV * Count);
|
|
bool bIsBlack = (UVi.x % 2) > 0 ? true : false;
|
|
bIsBlack = (UVi.y % 2) > 0 ? !bIsBlack : bIsBlack;
|
|
const float3 Color = (bIsBlack ? 0.04 : 0.18);
|
|
return float4(Color, 0.0);
|
|
}
|
|
|
|
// Updated from http://jcgt.org/published/0007/03/04/
|
|
bool slabs(float3 p0, float3 p1, float3 rayOrigin, float3 invRaydir, out float outTMin, out float outTMax)
|
|
{
|
|
float3 t0 = (p0 - rayOrigin) * invRaydir;
|
|
float3 t1 = (p1 - rayOrigin) * invRaydir;
|
|
float3 tmin = min(t0, t1), tmax = max(t0, t1);
|
|
float maxtmin = max(max(tmin.x, tmin.y), tmin.z);
|
|
float mintmax = min(min(tmax.x, tmax.y), tmax.z);
|
|
outTMin = maxtmin;
|
|
outTMax = mintmax;
|
|
return maxtmin <= mintmax;
|
|
}
|
|
|
|
void EvaluateLighting(
|
|
in FSubstrateBSDF BSDF,
|
|
in float3 V,
|
|
in float3x3 TangentBasis,
|
|
in float ThicknessRatio,
|
|
inout float4 OutColor)
|
|
{
|
|
float3 AbsoluteWorldPosition = LWCHackToFloat(PrimaryView.WorldCameraOrigin);
|
|
float3 TranslatedWorldPosition = PrimaryView.TranslatedWorldCameraOrigin;
|
|
float SceneDepth = 0.0;
|
|
|
|
const float3 N = TangentBasis[2];
|
|
|
|
if (BSDF_GETSSSTYPE(BSDF) == SSS_TYPE_SIMPLEVOLUME)
|
|
{
|
|
// Apply transmittance on the background
|
|
|
|
float3 DiffuseColor = SLAB_DIFFUSEALBEDO(BSDF);
|
|
FParticipatingMedia PM = SubstrateSlabCreateParticipatingMedia(DiffuseColor, SLAB_SSSMFP(BSDF));
|
|
const float3 Transmittance = IsotropicMediumSlabTransmittance(PM, ThicknessRatio * SUBSTRATE_SIMPLEVOLUME_THICKNESS_M, 1.f);
|
|
|
|
OutColor.rgb *= Transmittance * BSDF.Coverage + (1.0f - BSDF.Coverage);
|
|
}
|
|
else
|
|
{
|
|
OutColor.rgb *= 0.0f;
|
|
}
|
|
|
|
// Patch the BSDF to appear as a top layer
|
|
BSDF.LuminanceWeightV = 1.0f;
|
|
BSDF.TransmittanceAboveAlongN = 1.0f;
|
|
BSDF.bIsBottom = true;
|
|
BSDF.bIsTop = true;
|
|
BSDF.Coverage = 1.0f;
|
|
|
|
// Create a head that will map to a single BSDF
|
|
FSubstratePixelHeader SubstratePixelHeader = InitialiseSubstratePixelHeader();
|
|
SubstratePixelHeader.BSDFCount = 1;
|
|
|
|
FSubstrateIntegrationSettings Settings = InitSubstrateIntegrationSettings();
|
|
FSubstrateAddressing NullSubstrateAddressing = (FSubstrateAddressing)0;
|
|
|
|
// Apply emissive
|
|
OutColor.rgb += BSDF_GETEMISSIVE(BSDF) * View.PreExposure;
|
|
|
|
// Apply a white directional light
|
|
if (ForwardLightData.HasDirectionalLight)
|
|
{
|
|
FDeferredLightData DirLightData = (FDeferredLightData)0;
|
|
DirLightData.Color = ForwardLightData.DirectionalLightColor;
|
|
DirLightData.FalloffExponent = 0;
|
|
DirLightData.Direction = ForwardLightData.DirectionalLightDirection;
|
|
DirLightData.DistanceFadeMAD = ForwardLightData.DirectionalLightDistanceFadeMAD;
|
|
DirLightData.bRadialLight = false;
|
|
DirLightData.SpecularScale = ForwardLightData.DirectionalLightSpecularScale;
|
|
float4 DirLightAttenuation = float4(1, 1, 1, 1);
|
|
DirLightData.ShadowedBits = 1;
|
|
DirLightData.ShadowMapChannelMask.x = 1;
|
|
DirLightData.HairTransmittance = InitHairTransmittanceData();
|
|
|
|
float Dither = 0.0f;
|
|
float3 ToLight = DirLightData.Direction;
|
|
float LightMask = 1.0f;
|
|
FRectTexture RectTexture = InitRectTexture();
|
|
uint LightChannelMask = 0xFFFFFFFF;
|
|
uint PrimitiveLightingChannelMask = LightChannelMask;
|
|
half4 PrecomputedShadowFactors = 1;
|
|
|
|
float3 BSDFColoredVisibility = 1.0f;
|
|
|
|
FSubstrateBSDFContext SubstrateBSDFContext = SubstrateCreateBSDFContext(TangentBasis, BSDF, V, ToLight);
|
|
|
|
FSubstrateEvaluateResult BSDFEvaluate = (FSubstrateEvaluateResult)0;
|
|
float3 DirLightLuminance = SubstrateForwardLightingCommon(
|
|
Dither,
|
|
Settings,
|
|
DirLightData,
|
|
ToLight,
|
|
LightMask,
|
|
DirLightAttenuation,
|
|
RectTexture,
|
|
LightChannelMask,
|
|
PrimitiveLightingChannelMask,
|
|
PrecomputedShadowFactors,
|
|
TranslatedWorldPosition,
|
|
SceneDepth,
|
|
BSDFColoredVisibility,
|
|
SubstratePixelHeader,
|
|
SubstrateBSDFContext,
|
|
BSDFEvaluate);
|
|
|
|
OutColor.rgb += DirLightLuminance * View.PreExposure;
|
|
}
|
|
|
|
// Apply the sky box
|
|
{
|
|
float3 ToLight = V;
|
|
FSubstrateBSDFContext SubstrateBSDFContext = SubstrateCreateBSDFContext(TangentBasis, BSDF, V, ToLight);
|
|
|
|
const bool bEnableSpecular = ReflectionStruct.SkyLightParameters.y > 0.0f;
|
|
FSubstrateEnvLightResult SubstrateEnvLight = SubstrateEvaluateForEnvLight(SubstrateBSDFContext, bEnableSpecular, Settings);
|
|
|
|
float SSRReductionFactor = 0.0;
|
|
float3 DiffuseLighting = 0.0;
|
|
float3 SpecularLighting = 0.0;
|
|
SubstrateEnvLightingCommon(
|
|
SubstrateEnvLight,
|
|
SubstratePixelHeader,
|
|
SubstrateBSDFContext,
|
|
BSDF,
|
|
N, //in float3 BentNormal,
|
|
1.0,//in float3 BSDFThroughput,
|
|
0, //in uint CaptureDataStartIndex,
|
|
0, //in uint NumCulledReflectionCaptures,
|
|
1.0,//in float ScreenAmbientOcclusion,
|
|
1.0,//in float CloudVolumetricAOShadow,
|
|
1.0,//in float TopLayerSpecularContributionFactor,
|
|
TranslatedWorldPosition,
|
|
1.0,//in float CombinedScreenAndMaterialAO,
|
|
SSRReductionFactor,
|
|
DiffuseLighting,
|
|
SpecularLighting);
|
|
|
|
OutColor.rgb += (DiffuseLighting + SpecularLighting) * View.PreExposure;;
|
|
}
|
|
}
|
|
|
|
void GetMaterialOnCube(
|
|
in float4 SVPos,
|
|
in float2 Pos,
|
|
in float Size,
|
|
in FSubstrateBSDF BSDF,
|
|
inout float4 OutColor)
|
|
{
|
|
const float2 PixelPos = SVPos.xy;
|
|
|
|
if (BSDF_GETTYPE(BSDF) == SUBSTRATE_BSDF_TYPE_SLAB && all(PixelPos > Pos) && all(PixelPos < (Pos + Size)))
|
|
{
|
|
const float2 UV = (PixelPos - Pos) / Size;
|
|
OutColor = GetBackgroundCheckboardColor(UV);
|
|
|
|
const float3 RayO = -View.ViewForward*1.2;
|
|
const float3 RayD = View.ViewForward + 1.0 * (UV.x - 0.5) * View.ViewRight - 1.0 * (UV.y - 0.5) * View.ViewUp;
|
|
float3 V = -RayD;
|
|
|
|
float2 Hit;
|
|
const float CubeSize = 0.25;
|
|
bool bIntersection = slabs(-CubeSize, CubeSize, RayO, 1/RayD, Hit.x, Hit.y);
|
|
if (bIntersection)
|
|
{
|
|
float3 P = RayO + RayD * Hit.x;
|
|
float3 N = normalize(P);
|
|
float3 AbsN = abs(N);
|
|
N = AbsN.x > AbsN.y && AbsN.x > AbsN.z ? float3(1 * sign(N.x), 0, 0) : N;
|
|
N = AbsN.y > AbsN.z && AbsN.y > AbsN.x ? float3(0, 1 * sign(N.y), 0) : N;
|
|
N = AbsN.z > AbsN.x && AbsN.z > AbsN.y ? float3(0, 0, 1 * sign(N.z)) : N;
|
|
const float ThicknessRatio = abs(Hit.y - Hit.x) / CubeSize;
|
|
|
|
float3x3 TangentBasis;
|
|
TangentBasis[2] = N;
|
|
TangentBasis[0] = AbsN.x > AbsN.y && AbsN.x > AbsN.z ? float3(0, 1, 0) : (AbsN.y > AbsN.z && AbsN.y > AbsN.x ? float3(0, 0, 1) : float3(1, 0, 0));
|
|
TangentBasis[1] = AbsN.x > AbsN.y && AbsN.x > AbsN.z ? float3(0, 0, 1) : (AbsN.y > AbsN.z && AbsN.y > AbsN.x ? float3(1, 0, 0) : float3(0, 1, 0));
|
|
|
|
EvaluateLighting(
|
|
BSDF,
|
|
V,
|
|
TangentBasis,
|
|
ThicknessRatio,
|
|
OutColor);
|
|
}
|
|
}
|
|
}
|
|
|
|
void GetMaterialOnSphere(
|
|
in float4 SVPos,
|
|
in float2 Pos,
|
|
in float Size,
|
|
in FSubstrateBSDF BSDF,
|
|
inout float4 OutColor)
|
|
{
|
|
const float2 PixelPos = SVPos.xy;
|
|
|
|
if (BSDF_GETTYPE(BSDF) == SUBSTRATE_BSDF_TYPE_SLAB && all(PixelPos > Pos) && all(PixelPos < (Pos + Size)))
|
|
{
|
|
const float2 UV = (PixelPos - Pos) / Size;
|
|
OutColor = GetBackgroundCheckboardColor(UV);
|
|
|
|
float3 V = -View.ViewForward;
|
|
const float3 RayO = V + (UV.x-0.5) * View.ViewRight + -(UV.y-0.5) * View.ViewUp;
|
|
const float3 RayD = -V;
|
|
const float4 Sphere = float4(0.0f, 0.0f, 0.f, 0.48);
|
|
const float2 Hit = RayIntersectSphere(RayO, RayD, Sphere);
|
|
if (Hit.x >= 0)
|
|
{
|
|
float3 P = RayO + RayD * Hit.x;
|
|
float3 N = normalize(P - Sphere.xyz);
|
|
const float ThicknessRatio = (Hit.y - Hit.x) / Sphere.w;
|
|
|
|
float3x3 TangentBasis;
|
|
TangentBasis[2] = N;
|
|
TangentBasis[0] = normalize(N * float3(1, 0, 0));
|
|
TangentBasis[1] = cross(N, TangentBasis[0]);
|
|
TangentBasis[0] = -cross(N, TangentBasis[1]);
|
|
|
|
EvaluateLighting(
|
|
BSDF,
|
|
V,
|
|
TangentBasis,
|
|
ThicknessRatio,
|
|
OutColor);
|
|
}
|
|
}
|
|
}
|
|
|
|
void GetMaterialSlice(
|
|
in float4 SVPos,
|
|
in float2 Pos,
|
|
in float2 Size,
|
|
in FSubstrateBSDF BSDF,
|
|
inout float4 OutColor)
|
|
{
|
|
const float2 PixelPos = SVPos.xy;
|
|
|
|
if (BSDF_GETTYPE(BSDF) == SUBSTRATE_BSDF_TYPE_SLAB && all(int2(PixelPos) > int2(Pos)) && all(int2(PixelPos) < int2(Pos + Size)))
|
|
{
|
|
const float2 UV = (PixelPos - Pos) / Size;
|
|
OutColor = GetBackgroundCheckboardColor((PixelPos - Pos) / Size.x);
|
|
|
|
// View and normal along up.
|
|
float3 V = float3(0, 0, 1);
|
|
float3 N = float3(0, 0, 1);
|
|
const float ThicknessRatio = 1.0;
|
|
|
|
float3x3 TangentBasis;
|
|
TangentBasis[2] = N;
|
|
TangentBasis[0] = float3(1, 0, 0);
|
|
TangentBasis[1] = float3(0, 1, 0);
|
|
|
|
EvaluateLighting(
|
|
BSDF,
|
|
V,
|
|
TangentBasis,
|
|
ThicknessRatio,
|
|
OutColor);
|
|
}
|
|
else
|
|
{
|
|
OutColor = 0;
|
|
}
|
|
}
|
|
|
|
void MaterialDebugSubstrateTreePS(
|
|
float4 SVPos : SV_POSITION,
|
|
out float4 OutColor : SV_Target0)
|
|
{
|
|
OutColor = float4(0.0f, 0.0f, 0.0f, 1.0f);
|
|
|
|
FSubstrateAddressing SubstrateAddressing = GetSubstratePixelDataByteOffset((float2(View.CursorPosition) * View.ViewResolutionFraction), uint2(View.BufferSizeAndInvSize.xy), Substrate.MaxBytesPerPixel);
|
|
FSubstratePixelHeader Header = UnpackSubstrateHeaderIn(Substrate.MaterialTextureArray, SubstrateAddressing, Substrate.TopLayerTexture);
|
|
if (Header.BSDFCount > 0)
|
|
{
|
|
const float2 PixelPos = SVPos.xy;
|
|
OutColor = float4(0.0f, 0.0f, 0.0f, PixelPos.x < 540.0f ? 0.5f : 1.0f); // Background
|
|
if (int(PixelPos.x) == 280 && int(PixelPos.y) > 90)
|
|
{
|
|
OutColor = float4(1.0f, 1.0f, 1.0f, 0.5f); // Operator/BSDF separator
|
|
}
|
|
|
|
const int SliceStoringDebugSubstrateTreeData = Substrate.SliceStoringDebugSubstrateTreeData;
|
|
|
|
FSubstrateTreeHeader SubstrateTreeHeader = (FSubstrateTreeHeader)0;
|
|
SubstrateUnpackInSubstrateTreeHeader(
|
|
Substrate.MaterialTextureArray,
|
|
SubstrateTreeHeader,
|
|
SliceStoringDebugSubstrateTreeData);
|
|
|
|
|
|
float2 Pos = float2(BSDF_ELEMENT_STARTX, BSDF_ELEMENT_STARTY);
|
|
const float MaterialPanelSize = 200.0f;
|
|
|
|
// SUBSTRATE_TODO: read BSDF and Operators "on the fly".
|
|
{
|
|
SubstrateTreeHeader.BSDFCount = min(SubstrateTreeHeader.BSDFCount, 2);
|
|
SUBSTRATE_UNROLL_N(2)
|
|
for (int i = 0; i < SubstrateTreeHeader.BSDFCount; i++)
|
|
{
|
|
FSubstrateBSDF BSDF = SubstrateUnpackInSubstrateTreeBSDF(
|
|
i,
|
|
Substrate.MaterialTextureArray,
|
|
SubstrateTreeHeader,
|
|
SliceStoringDebugSubstrateTreeData);
|
|
|
|
//if (BSDF.Coverage > 0.0f)
|
|
{
|
|
GetMaterialOnSphere(
|
|
SVPos,
|
|
Pos,
|
|
MaterialPanelSize,
|
|
BSDF,
|
|
OutColor);
|
|
|
|
GetMaterialOnCube(
|
|
SVPos,
|
|
Pos + float2(MaterialPanelSize + 10.0f, 0.0f),
|
|
MaterialPanelSize,
|
|
BSDF,
|
|
OutColor);
|
|
|
|
Pos.y += MaterialPanelSize + 10.0f;
|
|
}
|
|
}
|
|
}
|
|
|
|
#define MAX_LAYER_COUNT 4
|
|
float LayerAccCoverage[MAX_LAYER_COUNT];
|
|
{
|
|
for (int i = 0; i < MAX_LAYER_COUNT; ++i)
|
|
{
|
|
LayerAccCoverage[i] = 0.0f;
|
|
}
|
|
}
|
|
|
|
float2 MatTopOrigin = float2(BSDF_ELEMENT_STARTX + 450, BSDF_ELEMENT_STARTY);// float2(BSDF_ELEMENT_STARTX, 550);
|
|
float2 MatTopLayerSize = float2(410, 100);
|
|
|
|
// This is a really basic material topology debug. SUBSTRATE_TODO would be to draw the material graph itself with anottation
|
|
{
|
|
SubstrateTreeHeader.BSDFCount = min(SubstrateTreeHeader.BSDFCount, 2);
|
|
SUBSTRATE_UNROLL_N(2)
|
|
for (int i = 0; i < SubstrateTreeHeader.BSDFCount; i++)
|
|
{
|
|
FSubstrateBSDF BSDF = SubstrateUnpackInSubstrateTreeBSDF(
|
|
i,
|
|
Substrate.MaterialTextureArray,
|
|
SubstrateTreeHeader,
|
|
SliceStoringDebugSubstrateTreeData);
|
|
|
|
FSubstrateOperator Op = SubstrateUnpackInSubstrateTreeOperator(
|
|
BSDF.OperatorIndex,
|
|
Substrate.MaterialTextureArray,
|
|
SubstrateTreeHeader,
|
|
SliceStoringDebugSubstrateTreeData);
|
|
|
|
const uint LayerDepth = Op.LayerDepth;
|
|
|
|
if (LayerDepth < MAX_LAYER_COUNT)
|
|
{
|
|
// Draw the slab information
|
|
float2 LayerOrigin = MatTopOrigin + MatTopLayerSize.xy * float2(LayerAccCoverage[LayerDepth], LayerDepth);
|
|
float2 SlabSize = MatTopLayerSize.xy * float2(BSDF.Coverage, 1.0);
|
|
|
|
if (BSDF_GETTYPE(BSDF) == SUBSTRATE_BSDF_TYPE_SLAB && all(int2(PixelPos) >= int2(LayerOrigin)) && all(int2(PixelPos) <= int2(LayerOrigin + SlabSize)))
|
|
{
|
|
GetMaterialSlice(
|
|
SVPos,
|
|
LayerOrigin,
|
|
SlabSize,
|
|
BSDF,
|
|
OutColor);
|
|
}
|
|
|
|
LayerAccCoverage[LayerDepth] += BSDF.Coverage;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
OutColor = float4(pow(OutColor.rgb, 1.0 / 2.2), OutColor.a);
|
|
}
|
|
|
|
#endif // SHADER_DEBUGSUBSTRATETREE_PS
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
|
// Material Print
|
|
|
|
#if SHADER_SYSTEMINFO
|
|
uint bAdvancedDebugEnabled;
|
|
uint bEnergyConservation;
|
|
uint bEnergyPreservation;
|
|
uint bDbufferPass;
|
|
uint ClassificationCMask;
|
|
uint ClassificationAsync;
|
|
uint Classification8bits;
|
|
uint bRoughRefraction;
|
|
uint bTileOverflowUseMaterialData;
|
|
uint ViewsMaxBytesPerPixel;
|
|
uint ProjectMaxBytesPerPixel;
|
|
uint MaterialBufferAllocationInBytes;
|
|
uint MaterialBufferAllocationMode;
|
|
|
|
float TileOverflowRatio;
|
|
Buffer<uint> ClassificationTileDrawIndirectBuffer;
|
|
|
|
uint GetTileCount(uint InType)
|
|
{
|
|
return ClassificationTileDrawIndirectBuffer[InType * 4 + 1];
|
|
}
|
|
|
|
[numthreads(1, 1, 1)]
|
|
void MainCS(uint3 DispatchThreadId : SV_DispatchThreadID)
|
|
{
|
|
// Print Legend
|
|
if (all(DispatchThreadId == 0))
|
|
{
|
|
FFontColor TitleColor = FontYellow;
|
|
FFontColor LegendColor = FontWhite;
|
|
FFontColor ValueColor = FontOrange;
|
|
FShaderPrintContext Context = InitShaderPrintContext(true, uint2(50, 50));
|
|
|
|
// General
|
|
Print(Context, TEXT("General"), TitleColor);
|
|
Newline(Context);
|
|
|
|
Print(Context, TEXT(" Max byte per pixel : "), LegendColor);
|
|
Print(Context, Substrate.MaxBytesPerPixel, ValueColor, 3, 0);
|
|
Print(Context, TEXT(" / "), FontWhite);
|
|
Print(Context, ProjectMaxBytesPerPixel, ValueColor, 3, 0);
|
|
Print(Context, TEXT(" ["), FontWhite);
|
|
Print(Context, uint(DivideAndRoundUp(MaterialBufferAllocationInBytes, 1000000.f)), ValueColor, 4, 0);
|
|
Print(Context, TEXT("Mb]"), FontWhite);
|
|
Newline(Context);
|
|
|
|
Print(Context, TEXT(" Views max. byte : "), LegendColor);
|
|
Print(Context, ViewsMaxBytesPerPixel, ValueColor, 3, 0);
|
|
Print(Context, TEXT(" / "), FontWhite);
|
|
Print(Context, ProjectMaxBytesPerPixel, ValueColor, 3, 0);
|
|
Newline(Context);
|
|
|
|
Print(Context, TEXT(" Allocation Mode : "), LegendColor);
|
|
switch (MaterialBufferAllocationMode)
|
|
{
|
|
case 0: Print(Context, TEXT("View based"), ValueColor); break;
|
|
case 1: Print(Context, TEXT("View based | Growing-only"), ValueColor); break;
|
|
case 2: Print(Context, TEXT("Setting based"), ValueColor); break;
|
|
default: Print(Context, TEXT("Unknown: "), ValueColor); break;
|
|
}
|
|
Newline(Context);
|
|
|
|
Print(Context, TEXT(" Shading quality : "), LegendColor);
|
|
Print(Context, uint(SUBSTRATE_SHADING_QUALITY), ValueColor);
|
|
Newline(Context);
|
|
|
|
Print(Context, TEXT(" Rough diffuse : "), LegendColor);
|
|
PrintBool(Context, Substrate.bRoughDiffuse);
|
|
Newline(Context);
|
|
|
|
Print(Context, TEXT(" Energy conservation: "), LegendColor);
|
|
PrintBool(Context, bEnergyConservation);
|
|
Newline(Context);
|
|
|
|
Print(Context, TEXT(" Energy preservation: "), LegendColor);
|
|
PrintBool(Context, bEnergyPreservation);
|
|
Newline(Context);
|
|
|
|
Print(Context, TEXT(" Tile overflow mat. : "), LegendColor);
|
|
PrintBool(Context, bTileOverflowUseMaterialData);
|
|
Newline(Context);
|
|
|
|
Print(Context, TEXT(" Tile overflow : "), LegendColor);
|
|
Print(Context, TileOverflowRatio, ValueColor, 3, 1);
|
|
Print(Context, TEXT(" ["), LegendColor);
|
|
Print(Context, TileOverflowRatio +1, ValueColor, 2, 0);
|
|
Print(Context, TEXT(" BSDFs]"), LegendColor);
|
|
Newline(Context);
|
|
|
|
Print(Context, TEXT(" DBuffer pass : "), LegendColor);
|
|
PrintBool(Context, bDbufferPass);
|
|
Newline(Context);
|
|
|
|
Print(Context, TEXT(" Rough refraction : "), LegendColor);
|
|
PrintBool(Context, bRoughRefraction);
|
|
Newline(Context);
|
|
|
|
Newline(Context);
|
|
|
|
// Classification
|
|
Print(Context, TEXT("Classification"), TitleColor);
|
|
Newline(Context);
|
|
|
|
Print(Context, TEXT(" Tile Size : "), LegendColor);
|
|
Print(Context, Substrate.TileSize, ValueColor, 1, 0);
|
|
Print(Context, TEXT("x"), LegendColor);
|
|
Print(Context, Substrate.TileSize, ValueColor, 1, 0);
|
|
Newline(Context);
|
|
|
|
Print(Context, TEXT(" Tile Count : "), LegendColor);
|
|
Print(Context, Substrate.TileCount.x, ValueColor, 3, 0);
|
|
Print(Context, TEXT("x"), LegendColor);
|
|
Print(Context, Substrate.TileCount.y, ValueColor, 3, 0);
|
|
Newline(Context);
|
|
|
|
Print(Context, TEXT(" CMask : "), LegendColor);
|
|
PrintBool(Context, ClassificationCMask);
|
|
Newline(Context);
|
|
|
|
Print(Context, TEXT(" Async : "), LegendColor);
|
|
PrintBool(Context, ClassificationAsync);
|
|
Newline(Context);
|
|
|
|
Print(Context, TEXT(" 8-bits coord : "), LegendColor);
|
|
PrintBool(Context, Classification8bits);
|
|
Newline(Context);
|
|
|
|
Newline(Context);
|
|
|
|
// Material tiles
|
|
Print(Context, TEXT("Material Tiles"), TitleColor);
|
|
Newline(Context);
|
|
|
|
Print(Context, TEXT(" # Simple tiles : "), LegendColor);
|
|
Print(Context, GetTileCount(SUBSTRATE_TILE_TYPE_SIMPLE), ValueColor);
|
|
Newline(Context);
|
|
|
|
Print(Context, TEXT(" # Single tiles : "), LegendColor);
|
|
Print(Context, GetTileCount(SUBSTRATE_TILE_TYPE_SINGLE), ValueColor);
|
|
Newline(Context);
|
|
|
|
Print(Context, TEXT(" # Complex tiles : "), LegendColor);
|
|
Print(Context, GetTileCount(SUBSTRATE_TILE_TYPE_COMPLEX), ValueColor);
|
|
Newline(Context);
|
|
|
|
Print(Context, TEXT(" # Complex Special tiles: "), LegendColor);
|
|
Print(Context, GetTileCount(SUBSTRATE_TILE_TYPE_COMPLEX_SPECIAL), ValueColor);
|
|
Newline(Context);
|
|
|
|
Newline(Context);
|
|
|
|
// Rough tiles
|
|
if (bRoughRefraction)
|
|
{
|
|
Print(Context, TEXT("Rough Refraction Tiles"), TitleColor);
|
|
Newline(Context);
|
|
|
|
Print(Context, TEXT(" # Rough refract. : "), LegendColor);
|
|
Print(Context, GetTileCount(SUBSTRATE_TILE_TYPE_ROUGH_REFRACT), ValueColor);
|
|
Newline(Context);
|
|
|
|
Print(Context, TEXT(" # Rough r. w/o SSS : "), LegendColor);
|
|
Print(Context, GetTileCount(SUBSTRATE_TILE_TYPE_ROUGH_REFRACT_SSS_WITHOUT), ValueColor);
|
|
Newline(Context);
|
|
|
|
Newline(Context);
|
|
}
|
|
|
|
// DBuffer Tiles
|
|
if (bDbufferPass)
|
|
{
|
|
Print(Context, TEXT("Decal Tiles"), TitleColor);
|
|
Newline(Context);
|
|
|
|
Print(Context, TEXT(" # Simple tiles : "), LegendColor);
|
|
Print(Context, GetTileCount(SUBSTRATE_TILE_TYPE_DECAL_SIMPLE), ValueColor);
|
|
Newline(Context);
|
|
|
|
Print(Context, TEXT(" # Single tiles : "), LegendColor);
|
|
Print(Context, GetTileCount(SUBSTRATE_TILE_TYPE_DECAL_SINGLE), ValueColor);
|
|
Newline(Context);
|
|
|
|
Print(Context, TEXT(" # Complex tiles : "), LegendColor);
|
|
Print(Context, GetTileCount(SUBSTRATE_TILE_TYPE_DECAL_COMPLEX), ValueColor);
|
|
Newline(Context);
|
|
|
|
Newline(Context);
|
|
}
|
|
|
|
// Debug
|
|
Print(Context, TEXT("Debug"), TitleColor);
|
|
Newline(Context);
|
|
|
|
Print(Context, TEXT(" Adv. debug : "), LegendColor);
|
|
PrintBool(Context, bAdvancedDebugEnabled);
|
|
Newline(Context);
|
|
|
|
Print(Context, TEXT(" Layer peel index : "), LegendColor);
|
|
Print(Context, Substrate.PeelLayersAboveDepth, ValueColor);
|
|
Newline(Context);
|
|
|
|
Newline(Context);
|
|
}
|
|
}
|
|
#endif // SHADER_SYSTEMINFO |