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