internal/graphicsdriver/metal/ca/ca.go
func (md MetalDrawable) Texture() mtl.Texture {
	return mtl.NewTexture(C.MetalDrawable_Texture(md.metalDrawable))
}
func (md MetalDrawable) Texture() mtl.Texture {
	return mtl.NewTexture(C.MetalDrawable_Texture(md.metalDrawable))
}
// Texture returns a Metal texture object representing the drawable object's content.
//
// Reference: https://developer.apple.com/documentation/quartzcore/cametaldrawable/1478159-texture.