[PD] [GEM-dev] gl stack underflow

[Matteo Sisti Sette]

IOhannes m zmölnig escribió:
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> Matteo Sisti Sette wrote:
>> IOhannes m zmölnig escribió:
>>> use rectangle textures ([rectangle 1( to [pix_texture]).
>>>
>> But the help patch for pix_texture says:
>>
>> "Inlet 1: rectangle 0|1 : use rectangle-texturing when available
>> (default=1)"
> 
> hmm, i think this is wrong.
> rectangle is enabled by default on osx, but not on the other platforms
> (cannot remember why now; but i guess it made some problems)

Ohhhh OK

> with rectangle textures your texcoords should be 0..width-1 and
> 0..height-1 (rather than 0,,1); don't ask me why; i think it's one of
> the more stupid decisions of the ARB.

And I have to use texture2DRec instead of texture2D, don't I?



> 
>> Indeed with [pix_texture] I have no problem using non-power-of-two-size
>> textures, the question is how to use them in a shader.....
> 
> you don't have problems because Gem tries to take care of everything.
> with shaders you somehow circumvent Gem's trickery, so it you have to
> manually take care.
> 

Yeah that's what I guessed


Thanks
m.



-- 
Matteo Sisti Sette
matteosistisette at gmail.com
http://www.matteosistisette.com