Re: any NWN users here? mouse lag problem

[Malte Cornils <malte at cornils dot net>]

Am Freitag, 4. März 2005 04:18 schrieb Matthew Mueller:
> On Fri, Mar 04, 2005 at 03:57:12AM +0100, Malte Cornils wrote:
> > Am Donnerstag, 3. März 2005 18:06 schrieb Michel Dänzer:
> > > On Wed, 2005-03-02 at 23:46 -0500, Michel Dänzer wrote:
> > > > On Wed, 2005-03-02 at 23:53 +0100, Robert Fendt wrote:
> > > > If there's a way to make NWN call glFinish() before glXSwapBuffers()
> > > > (I don't know if there is), that might help.
> >
> > I'm not sure how to force the OpenGL magic you refer to in your first
> > hint. Is there a way to do this for closed-source applications
> > (LD_PRELOAD tricks etc)?
>
> LD_PRELOAD should do it.  I happen to have an existing library that
> could be trivially modified for testing this.  Grab libglfps v0.1 from
> http://www.dakotacom.net/~donut/programs/libglfps_s.html and edit
> src/glfps.c, insert the glFinish() before the call to
> real_glXSwapBuffers and you should be good to go.  (You could comment
> out the update_fps call if you want, although leaving it in would be an
> easy way to verify that the library is actually being used.)

Way cool - it works. Great!

Now what would be the best course of action - contacting the game vendors to 
put a glFinish() at the correct spot or contacting ATI to work around the 
problem in their drivers?

-Malte