func IsShader(shader uint32) bool {
	ret, _, _ := syscall.Syscall(gpIsShader, 1, uintptr(shader), 0, 0)
	return ret != 0
}
func IsShader(shader uint32) bool {
	ret, _, _ := syscall.Syscall(gpIsShader, 1, uintptr(shader), 0, 0)
	return ret != 0
}
// Determines if a name corresponds to a shader object