[PATCH 0/6] GLX cleanup, round three

Dave Airlie airlied at gmail.com
Sun Mar 20 19:04:28 PDT 2011

I'll push a mesa patch to remove glapi.c, glapitemp.h glapi.h from the
files that get copied into the X server.

Reviewed-by: Dave Airlie <airlied at redhat.com>

for the series.

I know patch 1 is just a workaround, it would be nice to know the
actual fix is in the works as well.


On Tue, Mar 15, 2011 at 5:31 AM, Adam Jackson <ajax at redhat.com> wrote:
> Resend, with a few patches merged together where it makes sense.  Again,
> patch 1 is nonsense, and is merely included as a lemma on the way to
> getting the rest of the series to a testable state.
> I think the simplest correct solution for patch 1 is, when DrawableGone
> deletes one (or both) of the context's drawables, create a 1x1 glxpixmap
> and bind it in place of the destroyed drawables.  This gives the spec-
> mandated behaviour of state changes taking effect but rendering being
> undefined, without requiring changing mesa to allow actively binding into
> the troublesome "half-bound" state.
> The only thing I don't like about that is that you want to hide the XID
> for that drawable from clients, or at least make it so trying to destroy it
> throws BadAccess.  But that's sort of true generally already, nothing
> really protects server-created XIDs from being destroyed by clients if
> the client can manage to guess the XID and resource type correctly.
> - ajax
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