[Mesa-stable] [Mesa-dev] [PATCH 3/3] glx: Generate fewer errors in MakeContextCurrent

[Adam Jackson]

On Thu, 2013-10-17 at 11:28 -0700, Carl Worth wrote:
> Adam Jackson <ajax at redhat.com> writes:
> > This does not fix piglit/glx-create-context-current-no-framebuffer, but
> > is a prerequisite for fixing it.
> 
> Hi Adam,
> 
> I've had this patch cherry-picked over to the 9.2 branch for the past
> week or so. But, in giving things a closer look prior to 9.2.2 release
> (which is scheduled for tomorrow), I noticed a problem here.
> 
> Not only does this patch not fix glx-create-context-current-no-framebuffer,
> but it introduces a segmentation fault to that test, (where the test
> merely failed previously).

I'm sure it's because the underlying drivers are unprepared for having a
current contex with no drawables, and we've just been hiding it.

> I haven't investigated that segfault closely, but my inclination for now
> is to revert the patch on the stable branch, and wait until we have a
> more complete fix.

Seems fair.

- ajax