> -----Original Message----- > From: xorg-boun...@lists.freedesktop.org > [mailto:xorg-boun...@lists.freedesktop.org] On Behalf Of > McDonald, Michael-p7438c > Sent: Wednesday, October 07, 2009 10:37 AM > To: Adam Jackson > Cc: xorg@lists.freedesktop.org > Subject: RE: Intel Q35/Q45 fb driver?
> Being able to mmap the frame buffer directly reduces it to 1 copy > (XShmPutImage): > > shared memory -> frame buffer > > Modifying MITSHM to use mmap also reduces it to 1 copy as we can then > mmap our shared memory regions directly into the X server. This is > probably what we'll end up doing (it's implemented and just > waiting for > testing). We have the mmap version of the MIT SHM extension working and we now get 18-21 frames/sec whereas we were getting just 2-3 frames/sec using stock X. X still seems kind of overkill when all we need is a frame buffer and a bitblitter. Mike McDonald _______________________________________________ xorg mailing list xorg@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/xorg
