On Tue, Mar 23, 2010 at 11:41 PM, Luca Barbieri <luca.barbi...@gmail.com> wrote: > Do Radeons have a CP command to write an arbitrary value to some place > in memory? > > If so, you may want to use that to implement userspace-accessible > fencing in the obvious way and then use the fenced bufmgr, which would > do that with no pipebuffer changes and no kernel calls. > > Otherwise, maybe change the kernel module to write a fence number in > an mmapable place on fence irqs?
Why? I don't need any of this. exposing 32-bit numbers to userspace means you have to make sure everyone correctly deals with wrapping, its not worth the effort, and I've no idea why you keep pushing for it, when I've demonstrated I've no need for it at all. Dave. > ------------------------------------------------------------------------------ Download Intel® Parallel Studio Eval Try the new software tools for yourself. Speed compiling, find bugs proactively, and fine-tune applications for parallel performance. See why Intel Parallel Studio got high marks during beta. http://p.sf.net/sfu/intel-sw-dev _______________________________________________ Mesa3d-dev mailing list Mesa3d-dev@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/mesa3d-dev
