[GEM-dev] Problem with textures on Ubuntu

[Jack]

Incredible !
I will test it now !
Thanx.
++

Jack


Le 25 juin 09 à 17:14, chris clepper a écrit :

> You are just going to have to test it.  On OSX video textures that  
> are multiples of 16 have been twice as efficient or more.
>
> On Thu, Jun 25, 2009 at 11:10 AM, Jack <jack at rybn.org> wrote:
> Hello Chris,
>
> Excuse me to come back on this question. But can you help me about  
> width image size and drivers ? Do you know if there is optimization  
> with the NVidia driver 180.44 and images with size multiple of 16  
> px in width ? If the answer is yes, i have to resize my images  
> because i use 768 textures with different size at 4 fps (enough for  
> me but if i can optimize, why not ;). (I use GeForce 9700M GTS on  
> Ubuntu 9.04).
> Thanx.
> ++
>
> Jack
>
>
> Le 24 juin 09 à 16:55, Jack a écrit :
>
>> Thanx Chris, but the solution given by Iohannes seems to work  
>> perfectly.
>> However, is it better for performance to give to an image a width  
>> multiple of 16 in any cases or not ?
>> I use the last NVidia driver 180.44 on Ubuntu 9.04.
>> ++
>>
>> Jack
>>
>>
>> Le 24 juin 09 à 16:32, chris clepper a écrit :
>>
>>> On Wed, Jun 24, 2009 at 8:53 AM, Jack <jack at rybn.org> wrote:
>>>
>>> However, there is something very strange if it's about memory  
>>> because on my MacPro 2x2.66 GHz Dual-Core Intel Xeon, i have only  
>>> 256 MB on the GPU and all works fine on it (only 2 fps but it is  
>>> not so slow).
>>> The size of the images are between 127x108 and 72x123 pixels (so  
>>> the total size at 24bit is near 12 MB ! : 127x108x3x300/1048576 =  
>>> 11.77 MB).
>>>
>>> Most of the drivers have optimizations for images that are a  
>>> multiple of 16 in width, so maybe try using 128 pixel wide images  
>>> and see if that helps.
>>>
>>
>> _______________________________________________
>> GEM-dev mailing list
>> GEM-dev at iem.at
>> http://lists.puredata.info/listinfo/gem-dev
>
>

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