connectPrimvarShader

Fully qualified name: usdex::core::connectPrimvarShader

bool usdex::core::connectPrimvarShader(

pxr::UsdShadeInput &shaderInput,

const std::string &primvarName,

const pxr::VtValue &fallbackValue = pxr::VtValue(),

)

Connects a surface input to a primvar reader shader.

A primvar reader shader will be created if it does not already exist.

Parameters:

• shaderInput – The surface input to connect the primvar reader to

• primvarName – The name of the primvar to read (not including the primvars: prefix, eg. paintColor)

• fallbackValue – An optional fallback value to use if the primvar is not found

Returns:

Whether or not the primvar shader was connected to the surface input