[PATCH xf86-video-ati 1/2] EXA/6xx/7xx: fast solid pixmap support

tan.hu at zte.com.cn tan.hu at zte.com.cn
Wed Jun 1 08:47:42 UTC 2016

Michel Dänzer <michel at daenzer.net> wrote on 2016-05-31 14:25:42:
> >> On 17.05.2016 19:17, tan.hu at zte.com.cn wrote:
> >>>
> >>> r6xx still be used on some machine, 
> >>
> >> Doesn't glamor work well on those machines with a current version of
> >> xserver? If not, what specific issues are there?
> > 
> > Glamor works well on those machines. Those machines are base on MIPS 
> > architecture, they have a poorer CPU performance and bus bandwidth 
> > common x86 machines. When we want to optimise the graphics performace 
> > further, Maybe exa is a better choice.
> Why do you think so?
> At this point, glamor is on par with EXA in general, but there are cases
> where it's significantly faster (many of which because EXA can't
> accelerate them at all). Also, while glamor and Mesa are still being
> actively developed, the xserver EXA code hasn't seen any significant
> activity in years, i.e. it's basically dead or at least on life support.

Thanks for your advice. I think I need to do more tests on glamor. I only
used gtkperf for performance testing before. The result is that EXA has 
performace on pixbufs rendering and glamor has better performance on text 
drawing, so I first try to port these paths to r600.

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