func DeleteTextures(n int32, textures *uint32) {
	syscall.Syscall(gpDeleteTextures, 2, uintptr(n), uintptr(unsafe.Pointer(textures)), 0)
}
func DeleteTextures(n int32, textures *uint32) {
	syscall.Syscall(gpDeleteTextures, 2, uintptr(n), uintptr(unsafe.Pointer(textures)), 0)
}
// delete named textures