On 3 April 2018 at 16:36, Mario Kleiner <mario.kleiner...@gmail.com> wrote: > Btw. another new problem, which i haven't had time to track down at > all is that desktop composition under EGL seems to be totally broken. > Tested on KUbuntu 16.0.4 LTS with xserver master + mesa master last > thursday with whatever KDE Plasma 5 version ships with 16.04. > Compositing with XRender accel or GLX + OpenGL 2/3 works fine. Could > be modesetting, or glamor, or mesa. > > I get sometimes black screen, or sometimes massive corruption with > pixel trash like if it displays random buffer contents from > uninitialized buffers under modesetting-ddx + DRI3, on all kms > drivers. Can anybody confirm this?
It is seeming like the compression support in the Intel driver has regressed. If you edit mesa/src/mesa/drivers/dri/i965/intel_screen.c and remove I915_FORMAT_MOD_Y_TILED_CCS from the supported_modifiers array, does that resolve the issue? Cheers, Daniel _______________________________________________ email@example.com: X.Org development Archives: http://lists.x.org/archives/xorg-devel Info: https://lists.x.org/mailman/listinfo/xorg-devel