func ProgramParameteri(program uint32, pname uint32, value int32) {
	syscall.Syscall(gpProgramParameteri, 3, uintptr(program), uintptr(pname), uintptr(value))
}
func ProgramParameteri(program uint32, pname uint32, value int32) {
	syscall.Syscall(gpProgramParameteri, 3, uintptr(program), uintptr(pname), uintptr(value))
}
// specify a parameter for a program object