Victor Pelt peltco at mail.utexas.edu
Mon Mar 13 12:40:54 CST 2006

Hey Wino

i think it might be helpfull to at least include the code you wrote.
furthermore, my understanding (and someone please correct me if i'm
wrong) of wine-devel is to discuss solutions and the like, not for
filing bug reports

Victor Pelt

On Mon, 2006-03-13 at 13:00 -0500, Wino Rojo wrote:
> Hi
> I'm pretty new to wine, and this is my first post to the wine-devel 
> list....I hope this is the correct place to send my question
> I'm having problems with wglMakeCurrent. I wrote a small OpenGL test 
> program, but it's not working under wine (it works perfectly on Windows). 
> When I call wglMakeCurrent, wine outputs this error:
> X Error of failed request:  BadMatch (invalid parameter attributes)
>   Major opcode of failed request:  144 (GLX)
>   Minor opcode of failed request:  5 (X_GLXMakeCurrent)
>   Serial number of failed request:  120
>   Current serial number in output stream:  120
> I activated the debug output for opengl, and I can see that the problem is a 
> mismatch between the default visual ID and my program visual ID. At the top 
> of the debug output, I see this:
> trace:opengl:X11DRV_setup_opengl_visual Visual ID 21 Chosen
> and later, when I create my OpenGl context:
> trace:opengl:X11DRV_SetPixelFormat  - VISUAL_ID     0x23
> Obviously, the problem is that my visual ID doesn't match with the 
> X-Window's default, but I need to work using my visual (because I need alpha 
> planes)
> Any known workaround or is this a bug on wine's implementation of 
> wglMakeCurrent?
> Thanks
> Wino
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