[PD] netsending pixes
IOhannes m zmoelnig
zmoelnig at iem.at
Fri Apr 11 14:45:02 CEST 2008
Claude Heiland-Allen wrote:
> Jack wrote:
>> About [pix_share_read] and [pix_share_write]. Is there a method using
>> this two objects to share a picture that come from a
>> [gemframebuffer] ? I think is not possible. Am I wrong ?
> As far as I know (correct me if I'm wrong!), [gemframebuffer] stores
> images in GPU memory, you need to get it back to CPU memory as a pix,
> using eg [pix_snap], but that only snaps what is currently displayed
> (not from a framebuffer) (again correct me if I'm wrong).
you mean, like that?
> And in my experience with oldish AGP graphics cards, GPU->CPU image
> copying is rather slow. PCIe may be better, I don't know.
to my knowledge, this is correct.
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