On 11/11/15 00:44, Eric Anholt wrote:
Martin Peres <martin.pe...@linux.intel.com> writes:

The preserved swap behavior is currently untested in piglit and not supported
on the GLX side. Before working on implementing it for EGL/DRI3, let's
disable it until support comes.

This patch is trivial enough and will likely be squashed in the commit
egl/x11: Implement dri3 support with loader's dri3 helper

Signed-off-by: Martin Peres <martin.pe...@linux.intel.com>
This looks good to me.  I don't think anybody really cares about
SWAP_BEHAVIOR_PRESERVED -- the buffer_age stuff was what you really
wanted all along.

Hey Eric and Martin,

It seems like KWin is relying on SWAP_BEHAVIOR_PRESERVED for its EGL backend. Should we add proper support for it in mesa or should we propose a patch for kwin to test for the extension to be present before using it?

Martin, what is your opinion on this since buffer age is what you need and you already have support for it for the glx and wayland backends?

Cheers,
Martin
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