Method convertTextureCoords

Source/Modules/USDUtils/ConvertedInput.cpp:108–160

} // namespace

bool ConvertedInput::convertTextureCoords(const UsdShadeShader& shader, Falcor::Transform& xform)
{
    UsdShadeConnectableAPI source;
    TfToken sourceName;
    UsdShadeAttributeType sourceType;
    UsdShadeInput stInput(getSourceInput(shader.GetInput(gStToken), source, sourceName, sourceType));
    if (!stInput)
    {
        return false;
    }

    TfToken id = getAttribute(source.GetPrim().GetAttribute(UsdShadeTokens->infoId), TfToken());
    if (id == gTransform2dToken)
    {
        if (UsdShadeInput scaleInput = source.GetInput(gScaleToken); scaleInput)
        {
            float2 scaleVec;
            if (getFloat2Value(scaleInput, scaleVec))
            {
                xform.setScaling(float3(scaleVec.x, scaleVec.y, 1.f));
            }
        }

        if (UsdShadeInput rotateInput = source.GetInput(gRotationToken); rotateInput)
        {
            float degrees;
            if (rotateInput.Get<float>(&degrees, UsdTimeCode::EarliestTime()))
            {
                xform.setRotationEulerDeg(float3(0.f, 0.f, degrees));
            }
        }

        if (UsdShadeInput translateInput = source.GetInput(gTranslationToken); translateInput)
        {
            float2 translateVec;
            if (getFloat2Value(translateInput, translateVec))
            {
                xform.setTranslation(float3(translateVec.x, translateVec.y, 0.f));
            }
        }
        xform.setCompositionOrder(Transform::CompositionOrder::ScaleRotateTranslate);
    }
    else if (id != gFloat2PrimvarReaderToken)
    {
        logWarning(
            "UsdUVTexture node '{}' defines an st primvar reader '{}' of an unexpected type: '{}'.",
            shader.GetPrim().GetPath().GetString(),
            source.GetPrim().GetPath().GetString(),
            id.GetString()
        );
    }
    return true;
}

ConvertedInput ConvertedInput::convertTexture(
    const UsdShadeInput& input,