Function GetSamplerParameters

Hydrogent/src/HnMaterialNetwork.cpp:579–593

Resolve sampling parameters for texture node by looking at material node parameters and falling back to fallback values from Sdr.

// looking at material node parameters and falling back to
// fallback values from Sdr.
pxr::HdSamplerParameters GetSamplerParameters(const pxr::SdfPath&               NodePath,
                                              const pxr::HdMaterialNode2&       Node,
                                              const pxr::SdrShaderNodeConstPtr& SdrNode)
{
    return {
        ResolveWrapSamplerParameter(NodePath, Node, SdrNode, HnTextureTokens->wrapS),
        ResolveWrapSamplerParameter(NodePath, Node, SdrNode, HnTextureTokens->wrapT),
        ResolveWrapSamplerParameter(NodePath, Node, SdrNode, HnTextureTokens->wrapR),
        ResolveMinSamplerParameter(NodePath, Node, SdrNode),
        ResolveMagSamplerParameter(NodePath, Node, SdrNode),
        pxr::HdBorderColorTransparentBlack,
        false, // enableCompare
        pxr::HdCmpFuncNever,
    };
}

HnSubTextureIdentifier GetSubtextureIdentifier(const pxr::TfToken&            ParamName,
                                               const pxr::HdTextureType&      TextureType,