Also, now that there is a 3D driver for savage you could implement windows as textures and you'd get rotation for free.
Alex --- Carsten Haitzler <[EMAIL PROTECTED]> wrote: > On Fri, 01 Aug 2003 13:41:45 -0700 "Tim Roberts" <[EMAIL PROTECTED]> > babbled: > > > On Fri, 1 Aug 2003 12:58:06 -0700 (PDT), Alex Deucher wrote: > > > > > >Does savage HW even support acceleration with rotation? > > > > The Savage hardware wouldn't know about it. That's the point here: > I would > > have to modify the driver to rotate all the coordinates. For lines > and > > rectangles, it's easy. For bitmaps and text, it's hard; that's why > I'd like > > to fall back to ShadowFB for part of it, since it already knows how > to do > > this. > > well you could just do EVERYTHING in rotated space. ie rotate coords > for > primitives (lines, polys, arcs, rects etc.) and for bitmaps keep them > in the fb > or pixmap memeory in rotated form, rather than normal. the only > conversion here > is done at XPut/GetImage (XShmPut/Get Image. Shared pixmaps would > need to be > disabled to treated specially).... ? (xvideo could do it too... to a > certain > extent... you'd need to keep Y, U and V pixels at the same res unless > the hw > supports vertically different resolutions ... you get the idea) > > you'd also need to rotate coords of clip rects etc... but it'd be > possible to do > with full acceleration on all drivers this way (agin - with the > exception of > xvideo etc.) > > > > > -- > > - Tim Roberts, [EMAIL PROTECTED] > > Providenza & Boekelheide, Inc. > > > > > > _______________________________________________ > > Devel mailing list > > [EMAIL PROTECTED] > > http://XFree86.Org/mailman/listinfo/devel > > > -- > --------------- Codito, ergo sum - "I code, therefore I am" > -------------------- > The Rasterman (Carsten Haitzler) [EMAIL PROTECTED] > ·§¼ª - ¼Ö·¯ [EMAIL PROTECTED] > Mobile Phone: +61 (0)413 451 899 Home Phone: 02 9698 8615 > _______________________________________________ > Devel mailing list > [EMAIL PROTECTED] > http://XFree86.Org/mailman/listinfo/devel __________________________________ Do you Yahoo!? Yahoo! SiteBuilder - Free, easy-to-use web site design software http://sitebuilder.yahoo.com _______________________________________________ Devel mailing list [EMAIL PROTECTED] http://XFree86.Org/mailman/listinfo/devel
