On 6/4/13 3:16 PM, Dyweni - VirtualGL-Users wrote:
> You are correct. Running vglrun with '-sp -fps 60' limits the 3D
> rendering rate as you described. The 3D rendering rate follows the -fps
> value. I didn't realize that -sp would lock the two rates together.
Despite the fact that I told you quite plainly multiple times that it would?
> I have another patch coming soon that implements GLX_SGI_swap_control /
> glXSwapIntervalSGI and perfects the delay within glXSwapBuffers.
>
>
> ---
> Thanks,
> Dyweni
>
>
> On 2013-06-04 14:13, DRC wrote:
>> Dyweni,
>>
>> I await your response on this before I proceed any further. I need to
>> resolve the matter of whether you simply forgot to disable frame
>> spoiling (which is what I suspect, since your previous messages made
>> no
>> mention of using the -sp switch to vglrun or setting VGL_SPOIL to 0)
>> or
>> whether, for whatever reason, disabling it did not lock the 3D
>> rendering
>> rate to VGL_FPS (and if that's the case, I'm not sure I understand how
>> that could happen.)
>>
>>
>>> You have to disable frame spoiling in order for the -fps option to
>>> limit
>>> the actual 3D rendering rate:
>>>
>>> Did you pass 'sp' to vglrun?
>>>
>>> vglrun -sp -fps {f} {application}
>>>
>>> I am more keen on the idea of implementing GLX_EXT_swap_control as
>>> opposed to implementing a separate frame rate governor, and I will
>>> look
>>> at your patch in detail. However, I also want to understand whether
>>> doing the above (using the existing frame rate governor without frame
>>> spoiling) accomplishes a similar effect and, if not, why not.
>>
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