Ian Romanick wrote:
>
> I may be totally misunderstanding glXGetProcAddress, but it seems to me that
> the following *should* be valid:
>
> void (*glBegin)( GLenum mode ) = NULL;
>
> void begin_wrapper( GLenum mode )
> {
> if ( glBegin == NULL )
> {
> glBegin = glXGetProcAddress( "glBegin" );
> }
>
> (*glBegin)( mode );
> }
>
> What ends up happening is glXGetProcAddress returns the address of the
> glBegin symbol from my executable (in this case the address of the pointer
> to function) instead of the address of the glBegin symbol in the library.
> Is this behavior to spec?
Probably the fact that you are declaring a symbol that is "reserved" by OpenGL
invalidates your right to have GL act according to spec. You might get a link
error if you tried to link this program against libGL.so, for instance.
Keith
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