[Bug 14045] SketchUp was unable to initialize OpenGL

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=14045





--- Comment #12 from Alexander Sabourenkov <screwdriver at lxnt.info>  2008-08-15 00:45:25 ---
(In reply to comment #11)
> We haven't had apps that required software rendering. Sketchup used to work but
> I'm not sure when it stopped working. Perhaps it was after we unleashed all the
> pixel formats (we used to have only 1 due to some x11drv limitations). Try a
> regression test.
> 
> It must be some generic fall back, there must also be some format which it
> really wants to have. I doubt it wants to use software rendering.
> 

Without HW_OK=1 it really wants a format with PFD_GENERIC_FORMAT |
^PFD_GENERIC_ACCELERATED, I confirmed this by hacking up DescribePixelFormat
and friends to return predefined flag combinations, and testing. 

I don't see what can be done here. I  don't think GLX can be forced to render
in software for a given app only.  Maybe duplicate all pixel formats as second
copy having PFD_GENERIC_FORMAT | ^PFD_GENERIC_ACCELERATED. Or maybe return one
pixel format with those flags and error out when it gets selected. 


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