IABSD.fr/xenocara/lib/mesa/docs/debugging.rst

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• Author : jsg
  Date : 2021-07-22 09:57:37
  Hash : f849497a
  Message : Import Mesa 21.1.5

• lib/mesa/docs/debugging.rst

• Debugging Tips
  ==============
  
  Normally Mesa (and OpenGL) records but does not notify the user of
  errors. It is up to the application to call ``glGetError`` to check for
  errors. Mesa supports an environment variable, ``MESA_DEBUG``, to help
  with debugging. If ``MESA_DEBUG`` is defined, a message will be printed
  to stdout whenever an error occurs.
  
  More extensive error checking is done in DEBUG builds
  (``--buildtype debug`` for Meson).
  
  In your debugger you can set a breakpoint in ``_mesa_error()`` to trap
  Mesa errors.
  
  There is a display list printing/debugging facility. See the end of
  ``src/dlist.c`` for details.