On Mon, 7 Jul 2008 11:19:46 -0400 "Alex Deucher" <[EMAIL PROTECTED]> wrote:
> On Mon, Jul 7, 2008 at 8:16 AM, Goga777 <[EMAIL PROTECTED]> wrote: > > Hi > > > > in Linux forums there's different opinions about my question, that's why I > > want to clarify this moment here. > > > > Can 3D support (dri/mesa/drm/opengl) help for HDTV video (2D) playback or > > not ? I mean the Radeon's series cards and > > open-source radeon driver > > In theory the 3D engine could be used to aid in the video decode > process, however none of this has been implemented yet for radeon hw. > The 3D engine can also be used for video rendering using the texture > engine and this is implemented for r1xx-r5xx radeons. for decode, the > 3D is generally used for motion compensation (MC). r1xx-r6xx radeons > also have dedicated idct hw. On newer chips the UVD block handles all > of this. There is work going on to support XvMC decode via the 3D > engine using gallium, but that will need gallium driver for radeon. > > Alex > _______________________________________________ > xorg-driver-ati mailing list > [email protected] > http://lists.x.org/mailman/listinfo/xorg-driver-ati For references on project advancement : http://www.bitblit.org/gsoc/gallium3d_xvmc.shtml Cheers, Jerome Glisse _______________________________________________ xorg-driver-ati mailing list [email protected] http://lists.x.org/mailman/listinfo/xorg-driver-ati
