[PD] [Gem] performance issues on ubuntu (no hardware accel?)

cyrille henry cyrille.henry at la-kitchen.fr
Tue Nov 28 13:11:06 CET 2006



Roman Haefeli a écrit :
> On Mon, 2006-11-27 at 20:10 +0100, cyrille henry wrote:
> 
>> Roman Haefeli a écrit :
>>
>>> running fgl_glxgears gives
>>> me values between 440 and 450 frames per second, which makes me assume,
>>> that hardware accelerated opengl works on my computer.
> 
>> you should have 10 time more with this card.
> 
> no, i don't think so. it makes a difference between running fgl_glxgears
> and the 'normal' glxgears, since the former is much more complex than
> the latter. also it depends on the window size you are rendering at (and
> if the window is (partially) hidden by another window etc.). 
> 
> values on my computer (with original window size):
> 
> glxgears -printfps: ~2200
> fgl_glxgears:       ~450
ok, i did not know that fgl_glxgears was more complex than  glxgears.
this looks ok.
> 
> i know, that this is not a serious way of benchmarking, but at least
> these values make me believe, that hardware acceleration works. or am i
> wrong?
my glxgears -printfps gives me 60, but i have direct rendering!
(rendering is sync to the screen flip)

your acceleration work because  glxinfo | grep direct says: 'direct rendering: Yes'

cyrille


> roman
> 
> 
> 
> 
> 
> 
> 
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