* If fake shadow is used, need to apply the ShaderEffect::HINT_BLENDING
* @param[in] enableBlending If true, apply HINT_BLENDING when creating the shader object; If false, disable the HINT_BLENDING
* @return A handle to a newly allocated Dali resource.
* If fake shadow is used, need to apply the ShaderEffect::HINT_BLENDING
* @param[in] enableBlending If true, apply HINT_BLENDING when creating the shader object; If false, disable the HINT_BLENDING
* @return A handle to a newly allocated Dali resource.