[cairo] About YUV2RGB converstion

David Reveman davidr at novell.com
Wed Jun 29 07:21:10 PDT 2005


On Fri, 2005-06-17 at 07:39 +0000, conner.mo wrote:
> Dear all,  
>  
> Currently we only have RGB support in cario and glitz. Therefore, if we want to put videos on a cairo surface in 
> YUV format, a software colorspace conversion has to be taken. As you can imagine, the performance is 
> horrible. I wonder if it is possible to add a hardware accelerated conversion function in the glitz layer so that 
> cairo can benefit from that. Thanks. 

We're working on exactly this for XVideo support in Xgl. We actually
have some working code for this, it just needs to be cleaned up and some
minor issues need to be resolved before we can get it into CVS.

-David




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