bool
UsdShadeParameter::ConnectToSource(UsdShadeOutput const &output) const
{
UsdShadeConnectableAPI source(output.GetAttr().GetPrim());
return ConnectToSource(source, output.GetBaseName(),
/* sourceType */ UsdShadeAttributeType::Output);
}
ShaderType
UsdRiMaterialAPI::_GetSourceShaderObject(const UsdShadeOutput &output,
bool ignoreBaseMaterial) const
{
// If output doesn't have a valid property, return an invalid shader.
if (!output.GetProperty()) {
return ShaderType();
}
if (ignoreBaseMaterial &&
UsdShadeConnectableAPI::IsSourceConnectionFromBaseMaterial(output)) {
return ShaderType();
}
UsdShadeConnectableAPI source;
TfToken sourceName;
UsdShadeAttributeType sourceType;
if (UsdShadeConnectableAPI::GetConnectedSource(output,
&source, &sourceName, &sourceType)) {
return ShaderType(source.GetPrim());
}
return ShaderType();
}
bool
UsdShadeOutput::CanConnect(const UsdShadeOutput &sourceOutput) const
{
return CanConnect(sourceOutput.GetAttr());
}
