by Knockr <CSarath@[EMAIL PROTECTED]
>
Jul 7, 2008 at 09:01 PM
On Jul 5, 5:26=A0pm, fungus <openglMYSO...@[EMAIL PROTECTED]
> wrote:
> On Jul 4, 12:41=A0pm, Knockr <CSar...@[EMAIL PROTECTED]
> wrote:
>
> > How much efficient is the histogram calculation provided by
> > OpenGL(glHistogram)?
>
> It will depend on the graphics card ....
>
> ... but if you're imagining hardware acceleration and
> parallel processing then I think it's 99% probable
> that you'll be disappointed.
>
> > Is there any better way?
>
> Download the image in "tiles" in one thread
> and use SSE instructions in another thread
> to calculate the histogram of the blocks as
> they arrive.
>
> --
> <\___/>
> / O O \
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Thank you for your reply.