CVS commit: xsrc/external/mit/xorg-server/dist/fb

["Izumi Tsutsui" <tsutsui%netbsd.org@localhost>]

Module Name:    xsrc
Committed By:   tsutsui
Date:           Sun Aug  9 14:55:26 UTC 2020

Modified Files:
        xsrc/external/mit/xorg-server/dist/fb: fb.h fbfill.c wfbrename.h
Added Files:
        xsrc/external/mit/xorg-server/dist/fb: fbtile.c

Log Message:
Revert upstream "fb: Remove even/odd tile slow-pathing" changes.

https://gitlab.freedesktop.org/xorg/xserver/-/commit/e572bcc7f4236b7e0f23ab762f225b3bce37db59
>> fb: Remove even/odd tile slow-pathing
>>
>> Again, clearly meant to be a fast path, but this turns out not to be the
>> case.

This causes serious performance regression on 1bpp servers.
Ok'ed by mrg@.  See my post on tech-x11@ for more details:
 https://mail-index.netbsd.org/tech-x11/2020/08/07/msg002115.html


To generate a diff of this commit:
cvs rdiff -u -r1.2 -r1.3 xsrc/external/mit/xorg-server/dist/fb/fb.h
cvs rdiff -u -r1.1.1.3 -r1.2 xsrc/external/mit/xorg-server/dist/fb/fbfill.c
cvs rdiff -u -r0 -r1.3 xsrc/external/mit/xorg-server/dist/fb/fbtile.c
cvs rdiff -u -r1.1.1.6 -r1.2 \
    xsrc/external/mit/xorg-server/dist/fb/wfbrename.h

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.