[PD] [gem] gemframebuffer > pix_buffer_write

Cyrille Henry ch at chnry.net
Wed Jun 20 20:02:58 CEST 2012


Le 20/06/2012 13:35, IOhannes m zmoelnig a écrit :
> also, if you can live with a slightly async transfer (that introduces
> a delay) _and_ you are uisng a recent version of Gem (unstable!), you
> could try the "pbo" message to [pix_snap] which will use PBOs (hence
> the name) to do the image transfer which could be a lot faster than
> the default method of [pix_snap]. otoh, it could be slower as well.
> usage: [pbo $1( with "$1" being the number of PBOs to use for the
> transfer (0 disables PBO-transfers, anything more than 2 might not
> really give you any improvement)
It look like this should be add on the pix_snap help file.

is there anything else to mention?

P.S. pbo 1 double frame rate when snapping big images on my computer.
pbo 2 triple it.

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