[Mesa-dev] [Bug 102496] Frontbuffer rendering corruption on mesa master

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=102496

Bruce Cherniak <bruce.cherniak at intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |FIXED
             Status|NEEDINFO                    |RESOLVED

--- Comment #12 from Bruce Cherniak <bruce.cherniak at intel.com> ---
Looks like Thomas pushed patch 6e2b87c7e9 to fix this issue.  Top of tree now
works correctly.  I'll mark this resolved/fixed.

Fixed with:

commit 6e2b87c7e92b090dc2a08735f6ac96a95266730b
Author: Thomas Hellstrom <thellstrom at vmware.com>
Date:   Thu Sep 7 10:45:10 2017 +0200

    mesa/st: Fix frontbuffer rendering regression

    This fixes a regression introduced with commit
    "mesa/st: Reduce the number of frontbuffer flush calls"
    where we, after flushing the front buffer marked it as not-rendered-to,
    the idea being that it should be marked as "rendered-to" again as soon as
    any rendering was touching the front.

    Now the latter part never happened, because it was part of a state
    validation and we never marked that part of the state as dirty.

    So mark the framebuffer state dirty after a frontbuffer flush.

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