func StencilMaskSeparate(face uint32, mask uint32) {
	C.glowStencilMaskSeparate(gpStencilMaskSeparate, (C.GLenum)(face), (C.GLuint)(mask))
}
func StencilMaskSeparate(face uint32, mask uint32) {
	C.glowStencilMaskSeparate(gpStencilMaskSeparate, (C.GLenum)(face), (C.GLuint)(mask))
}
// control the front and/or back writing of individual bits in the stencil planes