> Can you use those non-power-of-two mpeg surfaces as normal >textures without limitations? I don't think most hardware can >do that, some possibly can't at all.
Well for one thing my XvMC surfaces ARE power of two, but that is not the point. The HWMC engine used the very same texture engine as is used for 3d. So while the planar surfaces are not _great_ for use as textures it can be done. It is probably just as much bandwidth due to an internal conversion but the YUV planar to YUV packed conversion could happen render time into a temporary buffer. In the end, I think this is more of a neat trick than anything else so I don't think it matters a whole lot if there is an extra copy. I keep thinking that some sort of Direct Rendered Video extension would be very useful for X. You could then alloc a direct video surface that was mappable. Populate it from the final write in the decode process (From ANY codec) then either do a Put() a Blend() or a CopytoPBuffer(). The CopytoPBuffer() may be unnecessary if you could do a CreatePBufferFromXvD() to share the surface. In such a scenario I think the ability to save the copy is quite important. > I am interested in getting mpeg into textures for the purpose >of incorporating into 3D scenes and video editing/post production. _______________________________________________ Devel mailing list [EMAIL PROTECTED] http://XFree86.Org/mailman/listinfo/devel
