From: Peter Clifton <pcjc2@cam.ac.uk>
To: "intel-gfx@lists.freedesktop.org" <intel-gfx@lists.freedesktop.org>
Subject: Re: Operation ordering?
Date: Wed, 03 Nov 2010 01:36:59 +0000 [thread overview]
Message-ID: <1288748219.9040.2.camel@pcjc2lap> (raw)
In-Reply-To: <1288733510.7934.4.camel@pcjc2lap>
On Tue, 2010-11-02 at 21:31 +0000, Peter Clifton wrote:
> Running with debug options set to always flush after each primitive
> fixes the issue, as does a judicial insertion of glFlush into my
> rendering code after changing the stencil test state, but before drawing
> more geometry.
Please ignore this.. turns out it was a crazy state problem in my code.
DrawArrays with the wrong VBO still bound, and it walked off the end
upsetting something in the driver / kernel / GPU and curtailing /
corrupting further rendering.
Doh!
--
Peter Clifton
Electrical Engineering Division,
Engineering Department,
University of Cambridge,
9, JJ Thomson Avenue,
Cambridge
CB3 0FA
Tel: +44 (0)7729 980173 - (No signal in the lab!)
Tel: +44 (0)1223 748328 - (Shared lab phone, ask for me)
prev parent reply other threads:[~2010-11-03 1:37 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-02 21:31 Operation ordering? Peter Clifton
2010-11-03 1:36 ` Peter Clifton [this message]
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