[Mesa-dev] [Bug 67676] Transparent windows no longer work

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=67676

--- Comment #6 from Sjoerd Simons <sjoerd at luon.net> ---
Created attachment 93777
  --> https://bugs.freedesktop.org/attachment.cgi?id=93777&action=edit
Proposed patch


egl_dri2: Allow both 24 and 32 bit X visuals for RGBA configs

When using RGBA EGLConfigs allow both RGB and RGBA X visuals, such that
application can decide whether they want to use RGBA (and have the
compositor blend their windows).

On my system with this change EGLConfigs with a 24 bit visual comes up
first, as such applications blindly picking the first EGLConfig will
still get an RGB X visual.


Note that with this patch dri2_match_config only considers EGLConfigs to match
iff their NativeVisualID also matches. Which is imho correct for X11, but i'm
not sure if this is a valid thing to compare on other display systems.

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