Bool gf_sg_get_scene_size_info(GF_SceneGraph *sg, u32 *width, u32 *height)
{
	if (!sg) return 0;
	if (width) *width = sg->width;
	if (height) *height = sg->height;
	return (sg->width && sg->height) ? 1 : 0;
}
Bool gf_sg_get_scene_size_info(GF_SceneGraph *sg, u32 *width, u32 *height)
{
	if (!sg) return 0;
	if (width) *width = sg->width;
	if (height) *height = sg->height;
	return (sg->width && sg->height) ? 1 : 0;
}