[Bug 93844] RetroArch refuses to go back into windowed mode after fullscreen with Intel i915 graphics

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=93844

--- Comment #191 from Diego Viola <diego.viola at gmail.com> ---
(In reply to Chris Wilson from comment #190)
> commit 40e3be34367141c952678f456f0e0d4632b6c266
> Author: Chris Wilson <chris at chris-wilson.co.uk>
> Date:   Thu Nov 3 10:18:32 2016 +0000
> 
>     sna/dri2: Complete the final flip in a chain after the window is
> destroyed
>     
>     When the pending flip is queued, we update all the Windows to use the
>     next bo as their rendering target. However, that bo is not yet the
>     scanout until the future flip is performed. If the current fullscreen
>     Window is destroyed, we still must allow that flip to proceed or else
>     the old bo is left on the scanout.
>     
>     And yes, this is indeed a fix to one of the debug patches that intended
>     to detect the error causing #93844. Irony.
>     
>     Fixes: 7817949314a2 ("sna/dri2: Avoiding marking a pending-signal on a
> dead Drawable")
>     Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=93844
>     Reported-by: Diego Viola <diego.viola at gmail.com>
>     Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>

Tested this and your latest commit after that, the X server is still crashing.

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