func GetShaderSource(shader uint32, bufSize int32, length *int32, source *uint8) {
	syscall.Syscall6(gpGetShaderSource, 4, uintptr(shader), uintptr(bufSize), uintptr(unsafe.Pointer(length)), uintptr(unsafe.Pointer(source)), 0, 0)
}
func GetShaderSource(shader uint32, bufSize int32, length *int32, source *uint8) {
	syscall.Syscall6(gpGetShaderSource, 4, uintptr(shader), uintptr(bufSize), uintptr(unsafe.Pointer(length)), uintptr(unsafe.Pointer(source)), 0, 0)
}
func GetShaderSource ( shader uint32 , bufSize int32 , length * int32 , source * uint8 ) { syscall . Syscall6 ( gpGetShaderSource , 4 , uintptr ( shader ) , uintptr ( bufSize ) , uintptr ( unsafe . Pointer ( length ) ) , uintptr ( unsafe . Pointer ( source ) ) , 0 , 0 ) }
// Returns the source code string from a shader object
Returns the source code string from a shader object