Re: [Mesa-dev] [RFC] preparation for qxl sw wrapper driver

2013-03-19 Thread Dave Airlie
On Tue, Mar 19, 2013 at 9:21 PM, Dave Airlie wrote: >> I have no particular objection with the above in principle, as this seems a >> perfectly valid use of llvmpipe. >> >> I just have some remarks on implementation details done separately. >> >> >> For my curiosity sake, how much these changes m

Re: [Mesa-dev] [RFC] preparation for qxl sw wrapper driver

2013-03-19 Thread Dave Airlie
> I have no particular objection with the above in principle, as this seems a > perfectly valid use of llvmpipe. > > I just have some remarks on implementation details done separately. > > > For my curiosity sake, how much these changes matter in practice? (For > example, what is the % effect of

Re: [Mesa-dev] [RFC] preparation for qxl sw wrapper driver

2013-03-19 Thread Jose Fonseca
- Original Message - > So we have this virtual GPU with nothing approaching a 3D engine, > so we are currently running llvmpipe with drisw on it. However > this incurs some overheads that now that we have a kernel driver, > I believe we can remove. > > The main overheads are putimage for a

[Mesa-dev] [RFC] preparation for qxl sw wrapper driver

2013-03-18 Thread Dave Airlie
So we have this virtual GPU with nothing approaching a 3D engine, so we are currently running llvmpipe with drisw on it. However this incurs some overheads that now that we have a kernel driver, I believe we can remove. The main overheads are putimage for all rendering from a 3D compositor and get