Adam Jackson db2e708f31 glx: Require at least one True/DirectColor visual ...

Mesa no longer supports rendering to anything less.  GLX 1.2 requires
that the server advertise at least one GLX visual.  GLX 1.3 and 1.4 are
more subtle: they require at least one fbconfig capable of window
rendering, and _also_ require that window-capable fbconfigs have a
non-zero value for the GLX_VISUAL_ID.  In either case we should refuse
to init GLX if there's not at least one GL-capable visual on at least
one screen.

Signed-off-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Keith Packard <keithp@keithp.com>

2014-05-22 18:08:20 -07:00

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