Uli Schlachter 8d74c4d019 Speed up coverage-column-triangles test ...

This commit changes the height of the coverage-column-triangles test by
using a smaller height for the test. Previously the image was 40 pixels
in height and the test took 517 seconds for me. Now, the image has a
height of 4 pixels and the test takes 55 seconds.

This is possible since column_triangles() does the same thing for each y
coordinate. Thus, previously this test just did the same thing 40 times.

Times are measured with the backends I happened to have enabled locally:
script, xcb, xlib, image, recording.

Thanks a lot to Christian Rohlfs for coming up with this idea in
https://gitlab.freedesktop.org/cairo/cairo/-/issues/498#note_1700197

Possibly-fixes: https://gitlab.freedesktop.org/cairo/cairo/-/issues/498
Signed-off-by: Uli Schlachter <psychon@znc.in>

2022-12-30 16:36:22 +01:00

886 B

256x4px

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