mImpl->mRenderer.ReserveCustomProperties(CUSTOM_PROPERTY_COUNT);
mImpl->mRenderer.RegisterUniqueProperty(UNIFORM_START_POINT_NAME, GetStartValue(mValueMap, Toolkit::DevelAnimatedGradientVisual::Property::START_POSITION, START_POSITION_NAME));
mImpl->mRenderer.ReserveCustomProperties(CUSTOM_PROPERTY_COUNT);
mImpl->mRenderer.RegisterUniqueProperty(UNIFORM_START_POINT_NAME, GetStartValue(mValueMap, Toolkit::DevelAnimatedGradientVisual::Property::START_POSITION, START_POSITION_NAME));