[Mesa-dev] [PATCH] glx: block attempt to swapbuffer on pixmap. (v2)
eric at anholt.net
Wed Dec 7 10:32:43 PST 2011
On Wed, 7 Dec 2011 10:24:09 +0000, Dave Airlie <airlied at gmail.com> wrote:
> From: Dave Airlie <airlied at redhat.com>
> This keeps track of the creation process and stores a drawable type,
> it then blocks DRI2 from getting called if the drawable is a pixmap.
> v2: check if we have a GLX drawable, which means we aren't a pbuffer,
> avoid doing flush at all since its meant to be a no-op.
I still think this is the wrong way to go. As ajax pointed out, there's
all sorts of races available from trying to guess client-side, and
there's no way anybody's relying on the current ("print an error message
in the xorg log") behavior of the DRI2 protocol for single-buffered, so
we might as well resolve that DRI2 protocol should do what we want for
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