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Fix a copy'n'paste-o that would result in mis-rounding of the results of

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several composite operators in A and G channels.
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Eric Anholt
2005-12-28 10:43:02 +00:00
parent 9ceffb6b92
commit 64ac7401ad
2 changed files with 7 additions and 1 deletions
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6
ChangeLog
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@@ -1,3 +1,9 @@
2005-12-28 Eric Anholt <anholt@FreeBSD.org>
* fb/fbpict.h:
Fix a copy'n'paste-o that would result in mis-rounding of the results of
several composite operators in A and G channels.
2005-12-28 Eric Anholt <anholt@FreeBSD.org>
* Xext/shmint.h:

2
fb/fbpict.h
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@@ -173,7 +173,7 @@
x = (x + ((x >> 8) & 0xff00ff)) >> 8; \
x &= 0xff00ff; \
x += (y >> 8) & 0xff00ff; \
x |= 0x1000100 - ((t >> 8) & 0xff00ff); \
x |= 0x1000100 - ((x >> 8) & 0xff00ff); \
x &= 0xff00ff; \
x <<= 8; \
x += t; \