[Bug 421] Implement a DIB engine

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=421





--- Comment #366 from max at veneto.com  2010-05-25 17:00:04 ---
> Well, I understand you did a dirty hack, so I was hoping I could help you (or
> someone trying to locate the problem) to find it. It might be a bug with wine,
> isn't it true?
> 
> Are you sure this is not the bad commit? I don't see what I have done wrong. I
> did a git reset --hard f2b993d414517037cf064e9aed954cdae96646f5, patched,
> compiled, and tested, it crashes. The commit before that is
> 5532927ed33f3682c48bdc2a2528488eeefa5bad (according to git log), so I reseted
> to it, patched, compiled, tested and it works.
> 
> And I've just tested it again.
> 
> Here is the sequence of commands (careful, it deletes WINEPREFIX):
> 
> export WINEPREFIX=/home/gugamilare/.wine-test/
> rm -rf dlls/winedib.drv/
> git checkout -f
> make clean
> git reset --hard f2b993d414517037cf064e9aed954cdae96646f5
> sh patches/series # I transformed the file "series" of the tarball into a
> script
> autoconf
> CC="ccache gcc" ./configure && make depend && make
> rm -rf $WINEPREFIX
> ./wine notepad # => works
> rm -rf $WINEPREFIX
> WINEDIB=ON ./wine notepad # => crashes
> 
> rm -rf dlls/winedib.drv/
> git checkout -f
> make clean
> git reset --hard 5532927ed33f3682c48bdc2a2528488eeefa5bad
> sh patches/series
> autoconf
> CC="ccache gcc" ./configure && make depend && make
> rm -rf $WINEPREFIX
> WINEDIB=ON ./wine notepad # => works


uhmmmm.... it would be weird. I'll check it on week end.... but the patch seems
to me unrelated to the bug.... or it may expose a previous bug in dib engine.
Your test seems correct to me, indeed.
Could you add a trace of StretchDIBits() parameters in both cases (with and
without the offending patch) ?

Max


Max

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