Have you tried single buffer rendering? If you don't need 30fps performance you could layer the images with opacity using only one pix_texture object and very little GPU memory.
On Fri, Sep 19, 2008 at 3:59 PM, B. Bogart <[EMAIL PROTECTED]> wrote: > Hey all, > > Any recommendations as to the best way to combine many images? > > What I'm after is a kind of long exposure where each image could be > weighted differently in order to give it more emphasis. > > I did a quick test in Gem layering 100 images on 100 rects on top of one > and other with 0.01 opacity. > > Problem it uses too much CPU (seems to be the GPU lagging). I can render > all 100 easily on the same machine if they are not totally overlapping. > > Would gridflow be able to combine 256 640x480 images? > > CPU solutions (rather than GPU) are best, as I'm hoping for 640x480 > resolution and many more images than will fit in graphics mem. > > Would something like this work: > > Every channel of every pixel of every image divided by the number of > images (256) multiplied by a weight, where all the results are summed? > > All the images would be loaded into a pix_buffer. > > What is the best way to accomplish this? > > Thanks, > > .b. > > > _______________________________________________ > [email protected] mailing list > UNSUBSCRIBE and account-management -> > http://lists.puredata.info/listinfo/pd-list >
_______________________________________________ [email protected] mailing list UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list
