Roland Scheidegger wrote: > Keith Whitwell wrote: >> Roland Scheidegger wrote: >>> Roland Scheidegger wrote: >>>> Didn't have time to look into this yet, but just retesting all the apps >>>> I had trouble with vbo_0_1_branch some months ago showed that the quake3 >>>> intro screen is now fixed (with r200). >>> To answer myself, I've fixed a couple of issues, doom3 now seems to run. >>> As for ut2k3/2k4, those just show a bunch of mostly random triangles and >>> eventually (immediately already at intro with sw tnl) segfault. >>> Apparently caused by the index buffer rebasing >>> (vbo_exec_DrawRangeElements), when setting the rebase to 0 and use start >>> as the min_index parameter (i.e. following the suggestion in the >>> comment) it works just fine. In fact, it appears faster than the non-vbo >>> code, despite that the driver still doesn't implement real vbos, though >>> I didn't run any benchmarks. >>> Maybe the buffer rebasing should just be removed (it currently doesn't >>> work with software mesa neither), or would it be worth fixing it? >> Roland, >> >> Thanks for looking at this - are there any further problems you've >> noticed along the way? >> >> Keith >> > No, basically everything seems to be working. I was a bit concerned with > the limits when the split occurs, but that seems to work fine on r200 > (though probably not optimal since it's really a buffer size limit not a > fixed vertex count limit for the driver currently). Not sure though what > happens with large index counts (chances are there will be a split > anyway in that case because of too large arrays), there may be hidden > bugs there with the radeon/r200 drivers. > > I've done some quick measurements, ut2k3 got up from ~40fps to ~75fps > (which is very nice, this probably brings it roughly back to where it > once was in mesa 5 days if not better, even sw tnl got a big increase > from 27fps to 49fps!), ipers (with lod 1) has about a 20% performance > drop whereas trispd (with size 5) gets down from roughly 25M tris/s to > 16M tris/s (obviously due to the removal of the vtxfmt code in the > driver). I'd say that's quite good overall. > The only thing I noticed looking different was the water reflection in > the antalus map in ut2k3/ut2k4, though it could be due to other changes > in the code rather than vbo (it uses some weirdo texgen and at least in > ut2k3 has never looked right neither with sw tnl nor hw tnl, and was > never correct with fglrx neither).
Roland, the rebase implementation is back in again. How is it looking for you? Does ut2k3/4 use VBO's at all? Can it be made to do so? Keith ------------------------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier. Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 _______________________________________________ Mesa3d-dev mailing list Mesa3d-dev@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/mesa3d-dev
