On 1/24/07, Attila Kinali <[EMAIL PROTECTED]> wrote:
On Fri, 19 Jan 2007 16:38:01 +0100
"Nicolas Boulay" <[EMAIL PROTECTED]> wrote:
> I don't know the status of Yuv texture inside ogp, that could be used
> to reduice bandwith and/or produice a good quality output for video.
Actualy it's not YUV that saves us bandwidth, but subsampling.
YUV just enables us to do subsampling without much los.
It takes some processing to convert YUV to RGB. So for just, say,
32-bit AYUV, the bandwidth is the same, but the CPU overhead is nil,
because the conversion comes for free.
Of course, you're right that most of the time, we have subsampled
data, saving us also a lot of bandwidth.
--
Timothy Miller
http://www.cse.ohio-state.edu/~millerti
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