Olivier Fourdan <ofour...@redhat.com> writes: > It appears that on some hardware/diver combo such as nv30/nouveau, using > GL_ALPHA as format for 8-bit depth will cause an incomplete attachment > error (GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT) when trying to bind the > texture. > > As a result, the FBO is NULL and glamor segfaults when trying to access > the FBO width/height in pixmap_priv_get_scale() in glamor_xv_render(). > > This happens with glamor-xv which uses 8-bit pixmaps, meaning that on > such hardware/driver, trying to play a video using Xv will lead to a > crash of the Xserver. This affects Xwayland, Xephyr, modesetting driver > with glamor accel. > > But the use of an FBO is not actually needed for glamox-xv, so by > disabling FBO at pixmap creation, we can avoid the issue entirely. > > Fix suggested by Eric Anholt <e...@anholt.net> > > Signed-off-by: Olivier Fourdan <ofour...@redhat.com> > Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=100710 > Fixes: https://bugzilla.redhat.com/1412814
Reviewed and pushed. Thanks!
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