On Sun, Oct 16, 2011 at 9:06 PM, Michael <[email protected]> wrote: > Hello, > > On Sun, 16 Oct 2011 11:37:16 -0400 > Matt Turner <[email protected]> wrote: > >> On Sat, Oct 15, 2011 at 6:20 PM, Mark Kettenis <[email protected]> >> wrote: >> >> Date: Thu, 13 Oct 2011 20:26:18 -0700 >> >> From: Matt Kraai <[email protected]> >> >> >> >> > Also, that code is pretty much going to be made obsolete by Jeremy >> >> > Huddleston's pci bus cleanup diff. A better approach would be to >> >> > convert the relevant drivers for loongson to use the new pci_io_xxx >> >> > interfaces in libpciaccess instead of the raw in/out calls. >> >> >> >> My system uses the siliconmotion driver. Would I need to start with >> >> the instructions at >> >> >> >> http://www.x.org/wiki/PciReworkHowto >> > >> > The work described there has already been done some time ago. >> > >> >> and then replace the raw in/out calls? >> > >> > Yes. You'd want something like the (untested) diff below. Should >> > work if you have a recent enough libpciaccess. >> > >> > This raises the question how far one should go in providing backwards >> > compatibility in the drivers for older libpciaccess libraries. Do we >> > need to worry about that at all? >> >> This particular hardware is really only XAA-capable to my knowledge. > > SM502 at least supports separate offsets and strides for source and > destination in blitter ops, so supporting EXA wouldn't be hard at all. There > seems to be some (limited) alpha blending support as well.
There is working EXA support already in the smi driver, but IIRC, the 3D hardware only has 1 texture unit, so it's not real useful for composite. Alex _______________________________________________ [email protected]: X.Org development Archives: http://lists.x.org/archives/xorg-devel Info: http://lists.x.org/mailman/listinfo/xorg-devel
