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d180f4d9b3
The new struct rect_union is designed to make it easier to efficiently accumulate a list of rectangles, and then operate on an exact cover of their union. Using rect_union, the times needed to added t rectangles, and then compute their exact cover will be O(t), and something between Ω(t) and O(t^2), depending on the rectangle arrangement. If one tries to do the same by storing a pixman_region32_t and updating it with pixman_region32_union_rect(), then total time needed would be between Ω(t^2) and O(t^3), depending on the input. Without changing the public API (data structure + rectangle ordering rules) for pixman_region32_t, it is impossible to improve its worst case time.
15 lines
163 B
Meson
15 lines
163 B
Meson
wlr_files += files(
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'addon.c',
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'array.c',
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'box.c',
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'env.c',
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'global.c',
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'log.c',
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'rect_union.c',
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'region.c',
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'set.c',
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'shm.c',
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'time.c',
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'token.c',
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)
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