-/**
- * Print error message unless LIBGL_DEBUG is set to "quiet".
- *
- * The distinction between CriticalErrorMessageF and ErrorMessageF is
- * that critcial errors will be printed by default, (even when
- * LIBGL_DEBUG is unset).
- */
-_X_HIDDEN void
-CriticalErrorMessageF(const char *f, ...)
-{
- va_list args;
- const char *env;
-
- if (!(env = getenv("LIBGL_DEBUG")) || !strstr(env, "quiet")) {
- fprintf(stderr, "libGL error: ");
- va_start(args, f);
- vfprintf(stderr, f, args);
- va_end(args);
-
- if (!env || !strstr(env, "verbose"))
- fprintf(stderr, "libGL error: Try again with LIBGL_DEBUG=verbose for more details.\n");
- }
-}
-
-#ifndef DEFAULT_DRIVER_DIR
-/* this is normally defined in Mesa/configs/default with DRI_DRIVER_SEARCH_PATH */
-#define DEFAULT_DRIVER_DIR "/usr/local/lib/dri"