[Mesa-dev] [PATCH 2/2] swr: suppress debug output from loader unless LIBGL_DEBUG is set.

[Chuck Atkins]

> > +#define debug_printf(...) if(mesa_debug) { fprintf(stderr,
> __VA_ARGS__); }
>
> `do {} while(0)`
>

Forgive me but I don't understand, what you're saying here.



> Why only replace some of the printfs?
>

The fprintf's I replaced with debug_printf are informational status
messages, while the ones I left are actual error messages.

- Chuck
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