internal/graphicsdriver/opengl/gl/package_notwindows.go
func VertexPointer(size int32, xtype uint32, stride int32, pointer unsafe.Pointer) {
	C.glowVertexPointer(gpVertexPointer, (C.GLint)(size), (C.GLenum)(xtype), (C.GLsizei)(stride), pointer)
}
func VertexPointer(size int32, xtype uint32, stride int32, pointer unsafe.Pointer) {
	C.glowVertexPointer(gpVertexPointer, (C.GLint)(size), (C.GLenum)(xtype), (C.GLsizei)(stride), pointer)
}
// define an array of vertex data