Mercurial > sdl-ios-xcode
annotate .cvsignore @ 688:c0522010bb6d
Date: Tue, 12 Aug 2003 14:26:19 +0200 (MEST)
From: "Mattias Engdeg?rd"
Subject: bug in SDL_GetRGB/GetRGBA
There's an embarrassing bug in GetRGB/GetRGBA which apparently has been there
for years. It incorrectly converts colours with < 8 bits/channel.
It came to my attention today in #sdl.
What it does now is (for each channel):
rv = (pixel & fmt->Rmask) >> fmt->Rshift;
*r = (rv << fmt->Rloss) + (rv >> (8 - fmt->Rloss));
which is wrong; the last line should be
*r = (rv << fmt->Rloss) + (rv >> (8 - (fmt->Rloss << 1)));
author | Sam Lantinga <slouken@libsdl.org> |
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date | Tue, 12 Aug 2003 15:17:20 +0000 |
parents | 475f969e8c01 |
children | ca809c1b41ca |
rev | line source |
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0 | 1 Makefile.in |
2 configure | |
3 aclocal.m4 | |
4 config.log | |
5 config.cache | |
596
475f969e8c01
CVS should ignore files automatically generated by building on MacOS X
Sam Lantinga <slouken@libsdl.org>
parents:
0
diff
changeset
|
6 autom4te.cache |
475f969e8c01
CVS should ignore files automatically generated by building on MacOS X
Sam Lantinga <slouken@libsdl.org>
parents:
0
diff
changeset
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7 depcomp |
0 | 8 libtool |
9 config.status | |
10 Makefile | |
11 sdl-config | |
12 SDL.spec | |
596
475f969e8c01
CVS should ignore files automatically generated by building on MacOS X
Sam Lantinga <slouken@libsdl.org>
parents:
0
diff
changeset
|
13 .DS_Store |