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tests/output-damage: doc renderer testing

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This test was originally written to ensure Weston does not repaint too
much, but it does also test that renderers transform the damage
correctly into the framebuffer.

Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>
This commit is contained in:
Pekka Paalanen 2026-04-10 11:51:05 +03:00
parent 0024857086
commit 3ce5a2e774
1 changed files with 2 additions and 0 deletions
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tests/output-damage-test.c
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@ -169,6 +169,8 @@ commit_buffer_with_damage(struct surface *surface,
/*
* Test that Weston repaints exactly the damage a client sends to it.
* Also ensure that damage regions are correctly transformed through the output
* transform and scale all way to the framebuffer coordinates by the renderers.
*
* NOTE: This relies on the Weston implementation detail that Weston actually
* will repaint exactly the client's damage and nothing more. This is not