https://bugs.freedesktop.org/show_bug.cgi?id=43191
--- Comment #21 from Simon Farnsworth <[email protected]> 2011-12-01 09:50:56 PST --- Created attachment 54028 --> https://bugs.freedesktop.org/attachment.cgi?id=54028 Program to demonstrate misrendering issue Thanks to Jerome's hint, I took some time to try and spot misrendering, as I'm struggling to see other problems. The attached program shows that I'm getting bascially correct rendering, but each time I draw to the backbuffer, something else gets partly overwritten - the front buffer if I haven't attempted a modeset after running something that uses OpenGL, something unidentified otherwise. At 2560x1440, the rendering to the back buffer partially overwrites the front buffer - I see a block at the bottom right (approximately - judged by tape measure - 1280 pixels wide by 45 high) being overwritten. At 1920x1200, the block at the bottom right is around 400 pixels wide, 45 high. At 1280x800, the block is still around 45 high, but is now around 640 pixels wide. If I modeset via xrandr after running a test, the next run renders perfectly. If I repeat without modesetting, I'm fine. When a run has rendered perfectly, I should also note that I don't see issues with plymouth, or when rendering via X11, implying that my remaining problem with tiled scanout is getting Mesa to work properly. -- Configure bugmail: https://bugs.freedesktop.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are the assignee for the bug. _______________________________________________ xorg-driver-ati mailing list [email protected] http://lists.x.org/mailman/listinfo/xorg-driver-ati
