Re: [Mesa3d-dev] Intel stencil clear bug with multiple contexts

[Peter C. <pc...@ca...>]

On Wed, 2009-09-30 at 00:32 +0100, Peter Clifton wrote:

[snip]

> > After a bit of a false lead, I finally tracked the behaviour change to:
> > 
> > 50d8b295f6c950da3b8783ff6e1803bdfbb5c7cc is first bad commit
> > commit 50d8b295f6c950da3b8783ff6e1803bdfbb5c7cc
> > Author: Brian Paul <br...@vm...>
> > Date:   Tue Sep 1 12:05:41 2009 -0600
> > 
> >     intel: use _mesa_meta_clear(), it's a bit faster
> > 
> > :040000 040000 81f24fd1186fda701bd343d7e3c4428c10494477
> > 40f6ebb2f756d7054fb2ea940183bc8ad5154ed0 M	src

[snip]

> Reverting the change from the old meta-ops code fixes the issue on
> master, but I can't determine any real differences between the old / new
> code.
> 
> One clue I managed to find though..

[snip]

The attached diff "fixes" the issue for me. Does this yield any clues as
to the source of the problem?

(I've still not had any chance to distil a test-case yet, and will be
away the rest of the week!)