https://bugs.freedesktop.org/show_bug.cgi?id=91509
--- Comment #2 from Stefan Dösinger stefandoesinger@gmx.at --- It seems that the corruption has something to do with FBO sizes where the width is a multiple of 16. width = 112 to 128 works OK. 129 to 143 is broken. 144 to 160 works, 161 to 175 is broken and so on.