xserver ChangeLog,3.361,3.362
Billy Biggs <xserver-commit-u7BhqnqprCWvj1b/[email protected]> Wed, 10 Aug 2005 18:51:27 -0700 (PDT)
| Newsgroups | gmane.comp.freedesktop.xserver.cvs |
|---|---|
| Message-ID | <[email protected]> |
Committed by: vektor Update of /cvs/xserver/xserver In directory gabe:/tmp/cvs-serv8674 Modified Files: ChangeLog Log Message: reviewed by: keithp * fb/fbcompose.c: (fbFetchTransformed): Use more bits for the intermediate values when performing bilinear interpolation to improve the accuracy of the result. This fixes a failure in the cairo tests. Index: ChangeLog =================================================================== RCS file: /cvs/xserver/xserver/ChangeLog,v retrieving revision 3.361 retrieving revision 3.362 diff -u -d -r3.361 -r3.362 --- ChangeLog 11 Aug 2005 01:04:31 -0000 3.361 +++ ChangeLog 11 Aug 2005 01:51:25 -0000 3.362 @@ -1,5 +1,13 @@ 2005-08-10 Billy Biggs <[email protected]> + reviewed by: keithp + + * fb/fbcompose.c: (fbFetchTransformed): Use more bits for the + intermediate values when performing bilinear interpolation to improve + the accuracy of the result. This fixes a failure in the cairo tests. + +2005-08-10 Billy Biggs <[email protected]> + * fb/fbpict.h: Fix a rounding error in many of the division by 255 macros. The code used was: ((x + (x >> 8) + 0x80) >> 8). This is incorrect, the inner shift must also be rounded up. The