[PD] gem: storing pix_snap2tex's in a pix_buffer?
IOhannes m zmoelnig
zmoelnig at iem.at
Fri Sep 1 21:32:33 CEST 2006
Thoralf Schulze wrote:
> thanks chris, thanks johannes -
>
>> You could use pix_snap and put that into pix_buffer.
>> It will be slow.
>
> oh my, that's certainly true.
>
> its getting worse with higher frame rates and larger
> render windows - so pix_snap does those dreaded memory
> transfers, right?
> this is a real bottleneck ... does opengl allow for
> memory transfers on the graphic card itself?
>
well, yes: that's what [pix_snap2tex] does.
however, [pix_buffer] is non-openGL but instead just handles data in
main memory.
mfg,ar
IOhannes
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