[GEM-dev] pbs with GEM on macpro quad

[cyrille henry]

chris clepper a écrit :
> On 4/19/07, cyrille henry <cyrille.henry at la-kitchen.fr> wrote:
>>
>>
>>
>>
>> working with shader make strange things with texturing mode :
>> when i start a patch, i have to send a mode 0 to pix_texture in order to
>> see anything. so, i can't work with pix_movie instead of pix_film when i
>> use shader.
> 
> 
> Oh.  You need to write shaders for rectangle textures.  For ARB change the
> 2D to RECT in your TEX command.  GLSL needs a samplerRECT instead of
> sampler2D and so on.
> 
>> So you can play 10 DV clips now?

with RECT texturing mode and pix_movie, thing are lot's faster.
multiphreading works better to. I can use about 25 DV clip at 25fps, 
using about 250% cpu.
everything work now as expected....

ok, macpro are not so bad after all :-)

thanks a lot

cyrille


>>
>> regarding the codec, i can have from 2 to 8 DV film on the same time
>> (with shader / pix_film).
>> 8 is not that bad, i think it will be ok.
> 
> 
> 
> 
>> yes, this is obvius regarding the way pixel shader work. but i did not
>> do complex operation (removing the sky from movies of clouds). (in fact,
>> there is less computing in the processing i'm doing than computing
>> complex lighting on a white square).
> 
> 
> 
> What GPU does the machine have?  The Nvidia 7300 cannot handle a lot of
> pixel shaders but the ATI x1900 can do quite a bit.
> 
> 
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