[Bug 14640] OpenGL example from Lazarus fails at ChoosePixelFormat

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=14640





--- Comment #14 from Roderick Colenbrander <thunderbird2k at gmx.net>  2009-01-19 14:13:44 ---
The problem is not limited to just this option but to most of the pfd options.
I don't think windows is rewriting the format to RGBA but it likely just
ignores this flag altogether. There are several problems. First of all the
behavior of ChoosePixelFormat is not well defined and second parts of it are
implemented in the icd of a vendor :( Because the behavior isn't well defined
we don't know what microsoft is doing on the pixel format table. We have had
similar issues with other options.

In order to fix this bug (and all the others) we need to know exactly what
Microsoft is doing :( Else I fear that we only make the issue a lot worse as
right now our ChoosePixelFormat seems to work for most apps (it has been in a
much worse state).

Roderick


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