Re: [Mesa3d-dev] WIN32 compilation, problems and partial patch

[Brian P. <br...@pr...>]

Eero Pajarre wrote:
> 
> I compiled the latest CVS sources using the Makefile.fx.
> There were problems with mesa_wgl.h and undefined
> HGLRC etc.
> 
> glheader.h defines these symbols, but it includes
> gl.h (which includes mesa_wgl.h) before defining
> them.
> 
> Thus I was able to get rid of these errors by moving
> the point where glheader.h includes gl.h to
> a latter position in the file: (patch attached in the
> end)
> 
> I also #if ed out the #define CALLBACK in glheader.h
> because it gave me duplicate definition warnings.
> 
> There were also problems in compiling some
> of the subdirectories of src.
> In order to fix these I changed:
> fxdrv.h, osmesa.c and x86.c
> to include glheader.h before including other Mesa headers.

I've applied your patch and fixed those 3 files.  I'll check
them in soon, after I've tested.


> With these changes I got the library to compile, but there is
> an other problem: When my application code uses <GL/gl.h>
> (or even GL/glut.h), I get errors from mesa_wgl.h.
> I assume that I could fix these by including windows.h first
> but a) I don't want to
>     b) I thought that especially with glut.h that should not be
>         needed.
> 
> I am not sure how to fix this, except by placing the
> definitions of HGLRC etc back to one of the
> GL/*.h files, or including <windows.h> there.

As you've seen, I removed a lot of Windows-related stuff from the
gl.h header because it doesn't belong there.  Sorry for breaking
things on Windows.

It seems to me that HGLRC stuff should go in mesa_wgl.h.

-Brian