Am Freitag, den 11.07.2008, 16:56 +0200 schrieb Jakob Bornecrantz: > On Thu, Jul 10, 2008 at 6:22 PM, Younes Manton <[EMAIL PROTECTED]> wrote: > > I'm trying to get the HW winsys stuff set up for XvMC and have some > > questions. > > > > Is there any problem with dlopen()ing the DRI driver (in this case > > nouveau_dri.so) and instead of writing my own winsys? Stephane > > suggested I look into this, even though the winsys is supposed to be > > tied to the API. For Softpipe I looked at what Mesa's winsys was doing > > and implemented the stuff I needed and ignored any GL-specific things, > > but I realize now I may have been able to load egl_softpipe.so and > > reused their winsys. Is this acceptable for nouveau if I can live with > > some possibly minor GL dependencies?. I'm looking at dri_glx.c and > > glxext.c to see how this might be done. > > As things currently are you need to make sure that libGL.so linked to > the application. I think it just enough to dlopen() it GLOBAL and then > dlopen *_dri.so you want. > > You then need some hocks and things to get the pipe_winsys and > context creation out of the winsys or write code on your own side. > I think you might be better of just writing your own winsys. But yes > that is a lot of code duplication. > > If you look at the gallium i915 driver it has one dri winsys and one > EGL winsys. Both these share a lot of backend code in a common > directory, this part only talks to the DRM. Now I know this is beyond > the scope of your gsoc but you could try to talk to the nouveau guys > about it. I'd already half planned to look at doing something similar for nouveau at some point actually. Younes, if you decide you could use something similar let me know and I'll try to take a look in the next couple of days while I have a bit of spare time.
Ben. > > dri: gallium/winsys/dri/intel > EGL: gallium/winsys/egl_drm/intel > backend: gallium/winsys/common/intel_drm > > Cheers Jakob. > > ------------------------------------------------------------------------- > Sponsored by: SourceForge.net Community Choice Awards: VOTE NOW! > Studies have shown that voting for your favorite open source project, > along with a healthy diet, reduces your potential for chronic lameness > and boredom. Vote Now at http://www.sourceforge.net/community/cca08 > _______________________________________________ > Mesa3d-dev mailing list > Mesa3d-dev@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/mesa3d-dev ------------------------------------------------------------------------- Sponsored by: SourceForge.net Community Choice Awards: VOTE NOW! Studies have shown that voting for your favorite open source project, along with a healthy diet, reduces your potential for chronic lameness and boredom. Vote Now at http://www.sourceforge.net/community/cca08 _______________________________________________ Mesa3d-dev mailing list Mesa3d-dev@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/mesa3d-dev
