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[jitter] can jitter.gl.shader work with sampler2d?

vade doktorp at mac.com
Sun Jun 10 13:02:22 MDT 2007


oh. and texture2D is normalized 0 to 1 non rectangluar textures, and  
texture2D rect is the pixel (actually, I think the texel size). you  
can normalize by dividing texcoord/texdim to get the 0 - 1 floating  
point value that is easier to work with.


On Jun 10, 2007, at 2:54 PM, Ivica Ico Bukvic wrote:

> Hi all,
>
> In the absence of solution to my previous dilemma, I've delved into  
> glsl and
> as a result, I've arrived to two roadblocks/questions:
>
> 1) does jitter work with sampler2D instead of sampler2DRect (by the  
> same
> token texture2D as opposed to texture2DRect)?
>
> 2) in sh.passthrudim.vp.glsl, does texdim0 contain pixel width/ 
> height of the
> texture or is it values between 0 and 1?
>
> Many thanks!
>
> Ivica Ico Bukvic, D.M.A.
> Composition, Music Technology, CCTAD, CHCI
> Virginia Tech
> Dept. of Music - 0240
> Blacksburg, VA 24061
> (540) 231-1137
> (540) 231-5034 (fax)
> ico at vt.edu
> http://www.music.vt.edu/people/faculty/bukvic/
> http://ico.bukvic.net
>
>
> _______________________________________________
> jitter mailing list
> jitter at cycling74.com
> http://www.cycling74.com/mailman/listinfo/jitter

v a d e //

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