/*static*/
SdfPath
UsdImaging_MaterialNetworkStrategy::GetBinding(UsdShadeMaterial const& material)
{
TF_DEBUG(USDIMAGING_SHADERS).Msg("\t Look: %s\n",
material.GetPath().GetText());
// ---------------------------------------------------------------------- //
// Shading networks - riLook:bxdf
// ---------------------------------------------------------------------- //
if (UsdRelationship matRel =
UsdRiMaterialAPI(material).GetBxdfOutput().GetRel()) {
TF_DEBUG(USDIMAGING_SHADERS).Msg("\t LookRel: %s\n",
matRel.GetPath().GetText());
return material.GetPath();
}
return SdfPath::EmptyPath();
}
/*static*/
SdfPath
UsdImaging_MaterialStrategy::GetBinding(UsdShadeMaterial const& material)
{
TF_DEBUG(USDIMAGING_SHADERS).Msg("\t Look: %s\n",
material.GetPath().GetText());
// ---------------------------------------------------------------------- //
// Hydra-only shader style - displayLook:bxdf
// ---------------------------------------------------------------------- //
if (UsdRelationship matRel = UsdHydraLookAPI(material).GetBxdfRel()) {
TF_DEBUG(USDIMAGING_SHADERS).Msg("\t LookRel: %s\n",
matRel.GetPath().GetText());
UsdShadeShader shader(
UsdImaging_MaterialStrategy::GetTargetedShader(
material.GetPrim(),
matRel));
if (shader) {
TF_DEBUG(USDIMAGING_SHADERS).Msg("\t UsdShade binding found: %s\n",
shader.GetPath().GetText());
return shader.GetPath();
}
}
// ---------------------------------------------------------------------- //
// Deprecated shader style - hydraLook:Surface
// ---------------------------------------------------------------------- //
TfToken hdSurf("hydraLook:surface");
TfToken surfType("HydraPbsSurface");
if (UsdRelationship matRel = material.GetPrim().GetRelationship(hdSurf)) {
TF_DEBUG(USDIMAGING_SHADERS).Msg("\t LookRel: %s\n",
matRel.GetPath().GetText());
if (UsdPrim shader =
UsdImaging_MaterialStrategy::GetTargetedShader(
material.GetPrim(),
matRel)) {
if (TF_VERIFY(shader.GetTypeName() == surfType)) {
TF_DEBUG(USDIMAGING_SHADERS).Msg(
"\t Deprecated binding found: %s\n",
shader.GetPath().GetText());
return shader.GetPath();
}
}
}
return SdfPath::EmptyPath();
}