[Bug 14975] Word of Warcraft 3.01 Beta Wotlk - ChoosePixelFormat problem

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=14975





--- Comment #23 from Roderick Colenbrander <thunderbird2k at gmx.net>  2008-09-20 14:49:50 ---
I did some tests on various windows opengl drivers and tested what the same
ChoosePixelFormat call wow makes returns, so one with colorbits=32 and the
other bits set to 0 and DoubleBuffering, DrawToWindow, SupportOpenGL and RGBA.
In general it returns a format with r=g=b=8, alpha=0 and further the flags that
were requested and so now and then even depth and stencil. I have the
impression that it might not be the ChoosePixelFormat call which is the problem
(unless the driver is doing some evil fixups).

I have the impression that the display driver is doing some evil fixup or so OR
it could be that wglChoosePixelFormatARB selects a format with alpha. You would
have to hack the code to see whether it is the alpha which matters for the
window or for the pbuffer (it selects pixelformat 1 for the window and 9 for a
pbuffer).


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