> > the test seems to work :) black background and a white pixel in the middle > of the window. Not a big test, but... > > of course, it's in ZPixmap format. XYPixmap doesn't work (core dumped...) i was wrong: i have to get the format in the XCBShmQueryVersionRep reply. Ok, it's the ZPixmap format, but i can't use the format that i want. Vincent