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tests/wayland: Update documentation for MUTTER_REF_TEST_UPDATE

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For some reason `LIBGL_ALWAYS_SOFTWARE=1` does not work as intended
while `MESA_LOADER_DRIVER_OVERRIDE=swrast` does.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1055>
This commit is contained in:
Robert Mader 2022-05-23 13:55:49 +02:00 committed by Marge Bot
parent fd7ee33337
commit 27dbf77d19
1 changed files with 2 additions and 2 deletions
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4
src/tests/meta-ref-test.c
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@ -56,13 +56,13 @@
* existing reference image is pixel identical to the newly created one.
*
* Updating test reference images also requires using a software OpenGL
* renderer, which can be achieved using LIBGL_ALWAYS_SOFTWARE=1
* renderer, which can be achieved using MESA_LOADER_DRIVER_OVERRIDE=swrast
*
* For example, for the test case '/path/to/test/case', run the test
* inside
*
* ```
* env LIBGL_ALWAYS_SOFTWARE=1 MUTTER_REF_TEST_UPDATE='/path/to/test/case`
* env MESA_LOADER_DRIVER_OVERRIDE=swrast MUTTER_REF_TEST_UPDATE='/path/to/test/case`
* ```
*
*/