func ClearColor(red float32, green float32, blue float32, alpha float32) {
	syscall.Syscall6(gpClearColor, 4, uintptr(math.Float32bits(red)), uintptr(math.Float32bits(green)), uintptr(math.Float32bits(blue)), uintptr(math.Float32bits(alpha)), 0, 0)
}
func ClearColor(red float32, green float32, blue float32, alpha float32) {
	syscall.Syscall6(gpClearColor, 4, uintptr(math.Float32bits(red)), uintptr(math.Float32bits(green)), uintptr(math.Float32bits(blue)), uintptr(math.Float32bits(alpha)), 0, 0)
}
func ClearColor ( red float32 , green float32 , blue float32 , alpha float32 ) { syscall . Syscall6 ( gpClearColor , 4 , uintptr ( math . Float32bits ( red ) ) , uintptr ( math . Float32bits ( green ) ) , uintptr ( math . Float32bits ( blue ) ) , uintptr ( math . Float32bits ( alpha ) ) , 0 , 0 ) }
// specify clear values for the color buffers
specify clear values for the color buffers