code: func TexImage2DMultisample(target uint32, samples int32, internalformat uint32, width int32, height int32, fixedsamplelocations bool) {
  	syscall.Syscall6(gpTexImage2DMultisample, 6, uintptr(target), uintptr(samples), uintptr(internalformat), uintptr(width), uintptr(height), boolToUintptr(fixedsamplelocations))
  }
docs: // establish the data storage, format, dimensions, and number of samples of a multisample texture's image