[Haskell-cafe] GLFW on OS X

[Paul L]

It sounds like the windowSizeCallback wasn't called when the app first
started up. You may try naming that callback function, and calling it
once during startup time.

I have not test it myself, but I don't recall this problem when I
previously worked on OS X 10.5 with GLFW.

On 3/16/10, Carsten Schultz <carsten at codimi.de> wrote:
> Hi everyone,
>
> I am working with
>
> MacOS X 10.6.2
> ghc 6.12.1
> GLFW 0.4.2
> OpenGL 2.4.0.1
> mkbndl (freshly installed, should be 0.2.1)
>
> I have copied sample program from
> http://www.haskell.org/haskellwiki/GLFW#Sample_Program to a file named
> GLFWTest.hs.  (I had to change some Floats to GLfloats.)
>
> No I do:
>
>> ghc --make GLFWTest.hs
>> mkbndl -f GLFWTest
>> open GLFWTest.app
>
> Is that what I am supposed to do?
>
> The program window remains white, if I move another window in front of
> it and away again, it becomes black, but if I draw lines on it (that is
> the function program) they do not appear.  If I move or resize the
> window, it gets drawn correctly, and I can see that the lines that I had
> drawn had in fact been registered.  From this point on the program works
> as expected.
>
> Is this an OS X specific issue?  How do I solve it?
>
> Thanks
>
> Carsten
>
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-- 
Regards,
Paul Liu

Yale Haskell Group
http://www.haskell.org/yale