On 19/11/15 14:06, Martin Graesslin wrote:
On Thursday, November 19, 2015 1:54:22 PM CET Martin Peres wrote:
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?
That's certainly a left over from before buffer age. I don't know whether we
can remove it unconditionally. Not every GLES harware which does support X11
supports buffer age.
I assume the smartest thing to do is not ask for PRESERVED if buffer age is
supported.
Sounds good! Checking for the availability of both buffer age and
preserved, preferring buffer age but not forcing behaviour preserved if
buffer age is missing (only enable it if the extension exists).
Thanks for your quick answer Martin G.
Martin P.
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