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daniel fischer | 3 Dec 2004 03:59

Re: YUV acceleration

Niels Elburg <nelburg <at> looze.net> (on Tue, 30 Nov 2004 11:47:55 +0100 (CET)):

  > Getting the data back from the graphics card to the system's main memory
  > is a performance drop as we all know, but I am interested if
  > there is anybody who has run some benchmarks to see how bad the 
  > performance drop really is.
  > Also, does the opengl 2.0 standard address this problem ?

i didnt do any benchmarks either, but i tried glGetPixels from my FireGL T2 using fglrx 0.11 once, and for a
160x120 (!) image at 25fps, my (1.8GHz) CPU went up by a 60% or so, and i got a memory leak of some 20MB/s.

i was kinda surprised by the dimension of the problem and decided to forget about getting anything from the
card until my next laptop with PCIX or whatever ;), or better ;(

-dan

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salsaman | 15 Dec 2004 18:21
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Re: LiViDO 1.0 - piksel04 beta

jaromil wrote:

>-----BEGIN PGP SIGNED MESSAGE-----
>Hash: SHA1
>
>
>re all,
>
>please have a look at the current livido snapshot on
>             http://livido.dyne.org
>
>subversion checkout with:   svn co svn://dyne.org/livido
> 
>this is a beta proposal, we are very close to freeze the 1.0 release,
>the design is clear to all of us, but additions and changes can still be
>done in order to match everyone's expectations.
>
>it's simplicity is very satisfactory, while it covers all the topics
>discussed on this list so far and complies to strict code guideluines.
>
>Andraz, since you was not here, if you see anything missing just say!
>about the scanf(3) refer to the set_ and get_parameters in host_example
>
>direct download: http://livido.dyne.org/livido-piksel04.tar.gz
>  
>

This is giving a 404.

Does anybody have a mirror copy of this that I can download ?
(Continue reading)

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salsaman | 15 Dec 2004 18:28
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Re: LiViDO 1.0 - piksel04 beta

salsaman wrote:

> jaromil wrote:
>
>> -----BEGIN PGP SIGNED MESSAGE-----
>> Hash: SHA1
>>
>>
>> re all,
>>
>> please have a look at the current livido snapshot on
>>             http://livido.dyne.org
>>
>> subversion checkout with:   svn co svn://dyne.org/livido
>>
>> this is a beta proposal, we are very close to freeze the 1.0 release,
>> the design is clear to all of us, but additions and changes can still be
>> done in order to match everyone's expectations.
>>
>> it's simplicity is very satisfactory, while it covers all the topics
>> discussed on this list so far and complies to strict code guideluines.
>>
>> Andraz, since you was not here, if you see anything missing just say!
>> about the scanf(3) refer to the set_ and get_parameters in host_example
>>
>> direct download: http://livido.dyne.org/livido-piksel04.tar.gz
>>  
>>
>
>
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Gmane