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Manuel Stoeckl d180f4d9b3 util: add struct to track union of rectangles ... 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.		1 year ago
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array.h	util/array: unclutter	2 years ago
env.h	util/env: make env_parse_switch() return a size_t	2 years ago
global.h	util/global: remove wl_display arg from wlr_global_destroy_safe	3 years ago
rect_union.h	util: add struct to track union of rectangles	1 year ago
set.h	util/set: overhaul	2 years ago
shm.h	Add some missing includes/declarations	2 years ago
time.h	Add some missing includes/declarations	2 years ago
token.h	util/uuid: replace with util/token, remove libuuid	4 years ago