Re: slow OpenGl or RunLoop misunderstanding ?

[Richard Frith-Macdonald]

On 15 Jan 2007, at 20:25, xavier.glattard@free.fr wrote:

>   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
>   [_scene glDrawFrame];
>
>   [[self openGLContext] flushBuffer];
> }
>
> I've tried to comment out the 3 last lines :
> - when all 3 lines disabled I get 3040 FPS ! (yes, 3 thousands)
> - when i left any of the lines I get 380-480 FPS... (4 hundreds)
>
> It looks like my opengl is so slow... (not accelerated ? why ?!)

I agree that it looks like there may be a hardware acceleration  
problem.  Perhaps you could try hacking initWithFormat:sharedContext:  
to see if changing any of the context initialisation will effect  
things (when googling this I saw a comment somewhere about direct  
rendering disabling acceleration on some system).

> and RunLoop has no responsability (no "wait state").
>
> Xavier
>
> PS: Richard, do you know you dont reply to the list ?

No, just an oversight.