Skip to content

Add option to fallback to mayaDefaultStandardSurface shader fragment #3957

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 7 commits into from
Nov 25, 2024
Merged

Add option to fallback to mayaDefaultStandardSurface shader fragment #3957

Show file tree
Hide file tree
Changes from 4 commits
Commits
Show all changes
7 commits
Select commit Hold shift + click to select a range
d6052ee
Add option to fallback to mayaDefaultStandardSurface shader fragment
kpolonski-atomic Oct 3, 2024
d060a77
Use standardSurface material by default
kpolonski-atomic Oct 17, 2024
5787a0b
Rename function to better represent intentions
kpolonski-atomic Oct 17, 2024
790f752
Run clang-format
kpolonski-atomic Oct 18, 2024
fca6c8a
Generate fallback shader fragment name arrays after maya intialization
kpolonski-atomic Oct 28, 2024
cec4cd0
Update license info for new files
kpolonski-atomic Oct 28, 2024
3db2589
Skip standardSurface image test if maya version is less than 2024
kpolonski-atomic Nov 21, 2024
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
1 change: 1 addition & 0 deletions lib/mayaUsd/render/vp2RenderDelegate/material.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -213,6 +213,7 @@ TF_DEFINE_PRIVATE_TOKENS(
(Float3ToFloatX)
(Float3ToFloatY)
(Float3ToFloatZ)
(FloatToFloat3)

// When using OCIO from Maya:
(Maya_OCIO_)
Expand Down
47 changes: 37 additions & 10 deletions lib/mayaUsd/render/vp2RenderDelegate/renderDelegate.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -36,6 +36,7 @@
#include <pxr/imaging/hd/rprim.h>
#include <pxr/imaging/hd/tokens.h>

#include <maya/MGlobal.h>
#include <maya/MProfiler.h>

#include <tbb/spin_rw_mutex.h>
Expand All @@ -49,6 +50,11 @@ TF_DEFINE_ENV_SETTING(
false,
"This env tells the viewport to only draw glslfx UsdPreviewSurface shading networks.");

TF_DEFINE_ENV_SETTING(
MAYAUSD_VP2_USE_LAMBERT_FALLBACK,
false,
"This env flag allows forcing the fallback shaders to the legacy lambert shader fragments.");

namespace {

/*! \brief List of supported Rprims by VP2 render delegate
Expand Down Expand Up @@ -85,6 +91,21 @@ const MString kPointSizeParameterName = "pointSize"; //!< Shader parameter
const MString kCurveBasisParameterName = "curveBasis"; //!< Shader parameter name
const MString kStructOutputName = "outSurfaceFinal"; //!< Output struct name of the fallback shader

//! Returns a boolean of whether or not we want the standardSurface shader fragment graph fallbacks
bool WantStandardSurfaceFallback()
{
bool useStandardSurface
= (MGlobal::executeCommandStringResult("defaultShaderName()") != "lambert1");
if (TfGetEnvSetting(MAYAUSD_VP2_USE_LAMBERT_FALLBACK)) {
// Explicit request for legacy Lambert:
useStandardSurface = false;
}
return useStandardSurface;
}

//! Boolean of whether or not to use shader fragments using the default standardSurface material
const bool _useStandardSurface = WantStandardSurfaceFallback();

//! Enum class for fallback shader types
enum class FallbackShaderType
{
Expand All @@ -101,17 +122,22 @@ enum class FallbackShaderType
constexpr size_t FallbackShaderTypeCount = static_cast<size_t>(FallbackShaderType::kCount);

//! Array of constant-color shader fragment names indexed by FallbackShaderType
const MString _fallbackShaderNames[] = { "FallbackShader",
"BasisCurvesLinearFallbackShader",
"BasisCurvesCubicFallbackShader",
"BasisCurvesCubicFallbackShader",
"BasisCurvesCubicFallbackShader",
"PointsFallbackShader" };
const MString _fallbackShaderNames[]
= { _useStandardSurface ? "FallbackShaderStandardSurface" : "FallbackShader",
"BasisCurvesLinearFallbackShader",
"BasisCurvesCubicFallbackShader",
"BasisCurvesCubicFallbackShader",
"BasisCurvesCubicFallbackShader",
"PointsFallbackShader" };

//! Array of varying-color shader fragment names indexed by FallbackShaderType
const MString _cpvFallbackShaderNames[]
= { "FallbackCPVShader", "BasisCurvesLinearCPVShader", "BasisCurvesCubicCPVShader",
"BasisCurvesCubicCPVShader", "BasisCurvesCubicCPVShader", "PointsFallbackCPVShader" };
= { _useStandardSurface ? "FallbackCPVShaderStandardSurface" : "FallbackCPVShader",
"BasisCurvesLinearCPVShader",
"BasisCurvesCubicCPVShader",
"BasisCurvesCubicCPVShader",
"BasisCurvesCubicCPVShader",
"PointsFallbackCPVShader" };

//! "curveBasis" parameter values for three different cubic curves
const std::unordered_map<FallbackShaderType, int> _curveBasisParameterValueMapping
Expand Down Expand Up @@ -183,8 +209,9 @@ class MShaderCache final
if (!TF_VERIFY(shaderMgr))
return;

_3dDefaultMaterialShader
= shaderMgr->getStockShader(MHWRender::MShaderManager::k3dDefaultMaterialShader);
_3dDefaultMaterialShader = _useStandardSurface
? shaderMgr->getStockShader(MHWRender::MShaderManager::k3dStandardSurfaceShader)
: shaderMgr->getStockShader(MHWRender::MShaderManager::k3dDefaultMaterialShader);

TF_VERIFY(_3dDefaultMaterialShader);

Expand Down
3 changes: 3 additions & 0 deletions lib/mayaUsd/render/vp2ShaderFragments/CMakeLists.txt
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,7 @@ list(APPEND SHADERFRAGMENTS_XMLS
Float3ToFloatX.xml
Float3ToFloatY.xml
Float3ToFloatZ.xml
FloatToFloat3.xml
UsdPreviewSurfaceLightAPI1.xml
UsdPreviewSurfaceLightAPI2.xml
UsdPreviewSurfaceLightAPI3.xml
Expand Down Expand Up @@ -49,7 +50,9 @@ list(APPEND SHADERFRAGMENTS_XMLS
BasisCurvesLinearFallbackShader.xml
BasisCurvesLinearHull.xml
FallbackCPVShader.xml
FallbackCPVShaderStandardSurface.xml
FallbackShader.xml
FallbackShaderStandardSurface.xml
Float4ToFloat3.xml
Float4ToFloat4.xml
NwFaceCameraIfNAN.xml
Expand Down
130 changes: 130 additions & 0 deletions lib/mayaUsd/render/vp2ShaderFragments/FallbackCPVShaderStandardSurface.xml
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,130 @@
<!--
========================================================================
Copyright 2019 Autodesk
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
========================================================================
-->
<fragment_graph name="FallbackCPVShaderStandardSurface" ref="FallbackCPVShaderStandardSurface" class="FragmentGraph" version="1.0" feature_level="0" >
<fragments>
<fragment_ref name="mayaDefaultStandardSurface" ref="mayaDefaultStandardSurface" />
<fragment_ref name="FloatToFloat3" ref="FloatToFloat3" />
<fragment_ref name="Float4ToFloat3" ref="Float4ToFloat3" />
<fragment_ref name="Float4ToFloatW" ref="Float4ToFloatW" />
<fragment_ref name="mayaCPVPassing" ref="mayaCPVPassing" />
</fragments>
<connections>
<connect from="Float4ToFloat3.output" to="mayaDefaultStandardSurface.baseColor" name="color" />
<connect from="FloatToFloat3.output" to="mayaDefaultStandardSurface.opacity" name="opacity" />
<connect from="Float4ToFloatW.output" to="FloatToFloat3.input" name="alphavec" />
<connect from="mayaCPVPassing.C_4F" to="Float4ToFloat3.input" name="rgb" />
<connect from="mayaCPVPassing.C_4F" to="Float4ToFloatW.input" name="a" />
</connections>
<properties>
<float3 name="mayaTangentIn" ref="mayaDefaultStandardSurface.mayaTangentIn" semantic="tangent" flags="varyingInputParam" />
<float name="base" ref="mayaDefaultStandardSurface.base" />
<float name="diffuseRoughness" ref="mayaDefaultStandardSurface.diffuseRoughness" />
<float name="metalness" ref="mayaDefaultStandardSurface.metalness" />
<float name="specular" ref="mayaDefaultStandardSurface.specular" />
<float3 name="specularColor" ref="mayaDefaultStandardSurface.specularColor" />
<float name="specularIOR" ref="mayaDefaultStandardSurface.specularIOR" />
<float name="specularRoughness" ref="mayaDefaultStandardSurface.specularRoughness" />
<float name="specularAnisotropy" ref="mayaDefaultStandardSurface.specularAnisotropy" />
<float name="specularRotation" ref="mayaDefaultStandardSurface.specularRotation" />
<float name="transmission" ref="mayaDefaultStandardSurface.transmission" />
<float3 name="transmissionColor" ref="mayaDefaultStandardSurface.transmissionColor" />
<float name="subsurface" ref="mayaDefaultStandardSurface.subsurface" />
<float3 name="subsurfaceColor" ref="mayaDefaultStandardSurface.subsurfaceColor" />
<float name="coat" ref="mayaDefaultStandardSurface.coat" />
<float3 name="coatColor" ref="mayaDefaultStandardSurface.coatColor" />
<float name="coatIOR" ref="mayaDefaultStandardSurface.coatIOR" />
<float name="coatRoughness" ref="mayaDefaultStandardSurface.coatRoughness" />
<float name="coatAnisotropy" ref="mayaDefaultStandardSurface.coatAnisotropy" />
<float name="coatRotation" ref="mayaDefaultStandardSurface.coatRotation" />
<float name="coatAffectRoughness" ref="mayaDefaultStandardSurface.coatAffectRoughness" />
<float name="coatAffectColor" ref="mayaDefaultStandardSurface.coatAffectColor" />
<float name="sheen" ref="mayaDefaultStandardSurface.sheen" />
<float3 name="sheenColor" ref="mayaDefaultStandardSurface.sheenColor" />
<float name="sheenRoughness" ref="mayaDefaultStandardSurface.sheenRoughness" />
<float name="emission" ref="mayaDefaultStandardSurface.emission" />
<float3 name="emissionColor" ref="mayaDefaultStandardSurface.emissionColor" />
<float name="extraOpacity" ref="mayaDefaultStandardSurface.extraOpacity" />
<bool name="fogEnabled" ref="mayaDefaultStandardSurface.fogEnabled" />
<float3 name="Pw" ref="mayaDefaultStandardSurface.Pw" semantic="Pw" />
<float4x4 name="ViewProj" ref="mayaDefaultStandardSurface.ViewProj" semantic="viewprojection" />
<float name="fogStart" ref="mayaDefaultStandardSurface.fogStart" />
<float name="fogEnd" ref="mayaDefaultStandardSurface.fogEnd" />
<int name="fogMode" ref="mayaDefaultStandardSurface.fogMode" />
<float name="fogDensity" ref="mayaDefaultStandardSurface.fogDensity" />
<float4 name="fogColor" ref="mayaDefaultStandardSurface.fogColor" />
<float name="fogMultiplier" ref="mayaDefaultStandardSurface.fogMultiplier" />
<float3 name="IrradianceEnv" ref="mayaDefaultStandardSurface.IrradianceEnv" />
<float3 name="SpecularEnv" ref="mayaDefaultStandardSurface.SpecularEnv" />
<int name="selectionIndex" ref="mayaDefaultStandardSurface.selectionIndex" />
<struct name="light0" ref="mayaDefaultStandardSurface.light0" />
<struct name="light1" ref="mayaDefaultStandardSurface.light1" />
<struct name="light2" ref="mayaDefaultStandardSurface.light2" />
<struct name="light3" ref="mayaDefaultStandardSurface.light3" />
<struct name="light4" ref="mayaDefaultStandardSurface.light4" />
<struct name="light5" ref="mayaDefaultStandardSurface.light5" />
<struct name="light6" ref="mayaDefaultStandardSurface.light6" />
<struct name="light7" ref="mayaDefaultStandardSurface.light7" />
<struct name="light8" ref="mayaDefaultStandardSurface.light8" />
<struct name="light9" ref="mayaDefaultStandardSurface.light9" />
<struct name="light10" ref="mayaDefaultStandardSurface.light10" />
<struct name="light11" ref="mayaDefaultStandardSurface.light11" />
<struct name="light12" ref="mayaDefaultStandardSurface.light12" />
<struct name="light13" ref="mayaDefaultStandardSurface.light13" />
<struct name="light14" ref="mayaDefaultStandardSurface.light14" />
<struct name="light15" ref="mayaDefaultStandardSurface.light15" />
<float3 name="Nw" ref="mayaDefaultStandardSurface.N" flags="varyingInputParam" />
<float3 name="Vw" ref="mayaDefaultStandardSurface.V" flags="varyingInputParam" />
<string name="selector" ref="mayaDefaultStandardSurface.selector" />
<float3 name="ambientColor" ref="mayaDefaultStandardSurface.ambientColor" />
<float3 name="ambientIn" ref="mayaDefaultStandardSurface.input" />
<undefined name="GPUStage" ref="mayaDefaultStandardSurface.GPUStage" semantic="GPUStage" />
<float4 name="diffuseColor" ref="mayaCPVPassing.colorIn" flags="varyingInputParam" />
</properties>
<values>
<float name="base" value="1.000000" />
<float name="specular" value="1.000000" />
<float3 name="specularColor" value="1.000000,1.000000,1.000000" />
<float name="specularIOR" value="1.500000" />
<float name="specularRoughness" value="0.500000" />
<float3 name="transmissionColor" value="1.000000,1.000000,1.000000" />
<float3 name="subsurfaceColor" value="1.000000,1.000000,1.000000" />
<float3 name="coatColor" value="1.000000,1.000000,1.000000" />
<float name="coatIOR" value="1.500000" />
<float name="coatRoughness" value="0.100000" />
<float3 name="sheenColor" value="1.000000,1.000000,1.000000" />
<float name="sheenRoughness" value="0.300000" />
<float3 name="emissionColor" value="1.000000,1.000000,1.000000" />
<float name="extraOpacity" value="1.000000" />
<bool name="fogEnabled" value="false" />
<float name="fogStart" value="0.000000" />
<float name="fogEnd" value="92.000000" />
<int name="fogMode" value="0" />
<float name="fogDensity" value="0.100000" />
<float4 name="fogColor" value="0.500000,0.500000,0.500000,1.000000" />
<float name="fogMultiplier" value="1.000000" />
<float3 name="IrradianceEnv" value="0.000000,0.000000,0.000000" />
<float3 name="SpecularEnv" value="0.000000,0.000000,0.000000" />
<int name="selectionIndex" value="0" />
<string name="selector" value="mayaLightSelector16" />
<float3 name="ambientColor" value="0.000000,0.000000,0.000000" />
<float4 name="diffuseColor" value="0.18,0.18,0.18,1.0" />
</values>
<outputs>
<float4 name="outSurfaceFinal" ref="mayaDefaultStandardSurface.outSurfaceFinal" />
</outputs>
</fragment_graph>
Loading
Loading