| Re: [AD] multi display regression on X |
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On November 25, 2010, Peter Wang wrote:
> On 2010-11-20, Thomas Fjellstrom <tfjellstrom@xxxxxxxxxx> wrote:
> > Seems sometime between .21 and 5.0 branch (possibly .22 and rc1)
> > something has broken using multiple displays via a single thread.
> >
> > As seen from ex_multiwin
> >
> > (gdb) run
> > Starting program:
> > /home/moose/projects/allegro-5.0/build/examples/ex_multiwin [Thread
> > debugging using libthread_db enabled]
> > [New Thread 0x7fffefa78710 (LWP 9705)]
> > ex_multiwin:
> > /home/moose/projects/allegro-5.0/src/opengl/extensions.c:589:
> > fill_in_info_struct: Assertion `renderer' failed.
>
> Seems like for some reason your driver is returning NULL for
> glGetString(GL_RENDERER);
> We can work around that easily but if there is a more serious issue
> then we should try to solve that.
It seems to only fail when creating the second display, the first one is
created fine, and the Render string is printed to the log.
The string is /quite/ long on my laptop:
Mesa DRI Mobile Intel® GM45 Express Chipset GEM 20100330 DEVELOPMENT
Not sure if its something the code has to deal with.
> Peter
>
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--
Thomas Fjellstrom
tfjellstrom@xxxxxxxxxx