public static IntPtr[] ChooseFBConfig(IntPtr dpy, int screen, int[] attribList)
{
int nitems;
var fbcArrayPtr = glXChooseFBConfig(dpy, screen, attribList, out nitems);
var fbcArray = new IntPtr[nitems];
Marshal.Copy(fbcArrayPtr, fbcArray, 0, nitems);
Xlib.XFree(fbcArrayPtr);
return(fbcArray);
}
public static XVisualInfo GetVisualFromFBConfig(IntPtr dpy, IntPtr config)
{
var visualPtr = glXGetVisualFromFBConfig(dpy, config);
if (visualPtr == IntPtr.Zero)
{
throw new Exception("Failed to retrieve visual from framebuffer config.");
}
var visual = (XVisualInfo)Marshal.PtrToStructure(visualPtr, typeof(XVisualInfo));
Xlib.XFree(visualPtr);
return(visual);
}