[sldev] Any OpenGL expert could comment on VWR-5077?
Brad Kittenbrink (Brad Linden)
brad at lindenlab.com
Tue Feb 26 16:56:45 PST 2008
Not sure if you've tried this already or not, but make sure you're
running a build configuration such as Debug which has gl error checking
turned on (generally in such cases I'll run optimized but with opengl
assertions hardcoded to on - see attached patch). This will obviously
only help if the opengl implementation actually reports an error which
we're ignoring. If the bug is in the viewer this should help find it.
If the bug is in the driver, then this probably won't help.
-Brad
Mike Monkowski wrote:
> Thanks Carsten, Dave, and Kent. I knew it was crashing in the
> drivers, but I'm trying to figure out the trigger mechanism. I wasn't
> aware of the instruction queing for the clear and swap. It makes more
> sense now that such simple functions could cause the crash.
>
> I have tried GLIntercept, but could never get it to crash with
> GLIntercept.
>
> My main goal at this point is to figure out how to get it to
> reproduceably crash. You've been very helpful. I'll bug you again if
> I make any progress. :-)
>
> Mike
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-------------- next part --------------
Index: indra/llwindow/llgl.h
===================================================================
--- indra/llwindow/llgl.h (revision 80620)
+++ indra/llwindow/llgl.h (working copy)
@@ -159,7 +159,7 @@
void clear_glerror();
-#if LL_DEBUG
+#if 1 || LL_DEBUG
# define stop_glerror() assert_glerror()
# define llglassertok() assert_glerror()
#else
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