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Compositor: Increase tolerance for matte tests 

The node_keying_matte.blend test is very sensitive to the exact
pixel values in the input image. It is hard to match the output
between SSE and non-SEE codepaths of sRGB-to-linear conversion,
especially when it is done form the OCIO side.

Note that even without OCIO the match could be very difficult to
achieve, since BLI also implements SSE optimization (although, we
are in better control over there, so might increase the accuracy).

Ref #110685

Pull Request: https://projects.blender.org/blender/blender/pulls/110897
This commit is contained in:
Sergey Sharybin 2023-08-07 16:45:49 +02:00 committed by Sergey Sharybin
parent 3c5dddf09c
commit af101ad3f8
1 changed files with 7 additions and 1 deletions
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8
tests/python/compositor_render_tests.py
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@ -55,8 +55,14 @@ def main():
report.set_pixelated(True)
report.set_reference_dir("compositor_renders")
# Temporary change to pass OpenImageDenoise test with both 1.3 and 1.4.
if os.path.basename(test_dir) == 'filter':
# Temporary change to pass OpenImageDenoise test with both 1.3 and 1.4.
report.set_fail_threshold(0.05)
elif os.path.basename(test_dir) == 'matte':
# The node_keying_matte.blend test is very sensitive to the exact values in the
# input image. It makes it hard to precisely match results on different systems
# (with and without SSE, i.e.), especially when OCIO has different precision for
# the exponent transform on different platforms.
report.set_fail_threshold(0.05)
ok = report.run(test_dir, blender, get_arguments, batch=True)