func VertexAttribBinding(attribindex uint32, bindingindex uint32) {
	syscall.Syscall(gpVertexAttribBinding, 2, uintptr(attribindex), uintptr(bindingindex), 0)
}
func VertexAttribBinding(attribindex uint32, bindingindex uint32) {
	syscall.Syscall(gpVertexAttribBinding, 2, uintptr(attribindex), uintptr(bindingindex), 0)
}
// associate a vertex attribute and a vertex buffer binding for a vertex array object