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doc: document GALLIUM_DRIVER

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v2: Add dot at end of sentence

Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
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Christoph Haag 2016-09-08 21:32:04 +02:00 • committed by Nicolai Hähnle
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docs/envvars.html
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@ -217,6 +217,8 @@ Mesa EGL supports different sets of environment variables. See the
disable for unencumbered viewing the rest of the time. For example, set
GALLIUM_HUD_VISIBLE to false and GALLIUM_HUD_TOGGLE_SIGNAL to 10 (SIGUSR1).
Use kill -10 <pid> to toggle the hud as desired.
<li>GALLIUM_DRIVER - useful in combination with LIBGL_ALWAYS_SOFTWARE=1 for
choosing one of the software renderers "softpipe", "llvmpipe" or "swr".
<li>GALLIUM_LOG_FILE - specifies a file for logging all errors, warnings, etc.
rather than stderr.
<li>GALLIUM_PRINT_OPTIONS - if non-zero, print all the Gallium environment