Ian Romanick wrote: > > On Thu, May 16, 2002 at 03:41:32PM -0700, Gareth Hughes wrote: > > > I would like to propose a small change to the pthread_descr structure in > > the latest LinuxThreads code, to better support OpenGL on GNU/Linux > > systems (particularly on x86, but not excluding other platforms). The > > purpose of this patch is to provide efficient thread-local storage for > > both libGL itself and loadable OpenGL driver modules, so that they can > > be made thread-safe without any impact on performance. Indeed, using > > this mechanism, an OpenGL driver can ignore the difference between > > running with a single thread and running with multiple threads, as > > "global" data will be accessed in the same way independent of the number > > of threads running. > > Please forgive my lack of understanding of the relevent issues. It seems to > me that this issue (or a closely related issue) has been brought up in the > past, and was brutally slain by Linus. Admittedly, a lot has changed in the > Linux world in 2+ years, but could someone explain how this proposal relates > to this earlier request: >
That's quite a different approach, and really overkill -- libGL doesn't need whole different virtual memories per thread, just a quick way to get two pointers. The thread-local storage already exists and is laying unused... Keith _______________________________________________________________ Hundreds of nodes, one monster rendering program. Now that’s a super model! Visit http://clustering.foundries.sf.net/ _______________________________________________ Dri-devel mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/dri-devel
