On 31.01.2011 19:46, Marek Olšák wrote: > > 1) New vertex buffer manager > > This is how I'd like to put the burden of uploading user buffers out > of the drivers. I've made a new vertex buffer manager. It can be found > here: > http://cgit.freedesktop.org/~mareko/mesa/commit/?h=vbuf-mgr&id=94a53b672dd238e6a50bb6b252614dc2e9f30ddf > <http://cgit.freedesktop.org/%7Emareko/mesa/commit/?h=vbuf-mgr&id=94a53b672dd238e6a50bb6b252614dc2e9f30ddf> > > And the corresponding branch is here: > http://cgit.freedesktop.org/~mareko/mesa/log/?h=vbuf-mgr > <http://cgit.freedesktop.org/%7Emareko/mesa/log/?h=vbuf-mgr> > > It's a module that drivers can use and it does 2 things: > - uploads user buffers > - takes care of converting unsupported vertex formats and unaligned > vertex layouts to supported ones (there are vertex fetcher capability > bits, see struct u_vbuf_caps) > > Besides some typos in a few commits, this work is already done. > > With this manager, the drivers don't have to deal with user buffers > when they are bound as vertex buffers. They only get real hardware > buffers. > Please do *not* take away my user buffers and put user vertex arrays at the mercy of a state tracker ! In the DrawArrays case I usually use util/translate and interleave them letting it write directly into my command buffer for immediate mode vertex data submission.
Thanks. > -- > So this all is my current plan to simplify hardware drivers a bit and > add some nice optimizations. Another option would be to move the new > vertex buffer manager or something equivalent to the state tracker and > remove user buffers from the Gallium interface, but that would be > additional work with uncertain performance implications, so I decided > not to take this path (for now). > > Best regards > Marek > > > _______________________________________________ > mesa-dev mailing list > mesa-dev@lists.freedesktop.org > http://lists.freedesktop.org/mailman/listinfo/mesa-dev
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