tests: add alpha-blending test

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In anticipation of invasive future work on color management, add an
alpha blending test to make sure we don't break alpha blending.

The idea for doing a monotonicity test came from glennk on #dri-devel in
Freenode IRC.

Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>

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Pekka Paalanen

2020-11-12 14:15:43 +02:00

parent f8d170c4e7

commit 26258817fc

3 changed files with 254 additions and 0 deletions

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tests/reference/alpha_blend_monotonic-00.png

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