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Merge pull request #751 from emersion/rotated-surface-damage

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Fix damage tracking for rotated surfaces
This commit is contained in:
Drew DeVault 2018-03-26 18:05:35 -04:00 • committed by GitHub
commit 891610081f
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6 changed files with 86 additions and 28 deletions
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2
include/wlr/types/wlr_box.h
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@ -27,7 +27,7 @@ void wlr_box_transform(const struct wlr_box *box,
struct wlr_box *dest);
/**
* Creates the smallest box that contains a rotated box.
* Creates the smallest box that contains the box rotated about its center.
*/
void wlr_box_rotated_bounds(const struct wlr_box *box, float rotation,
struct wlr_box *dest);

7
include/wlr/util/region.h
View file

@ -26,4 +26,11 @@ void wlr_region_transform(pixman_region32_t *dst, pixman_region32_t *src,
void wlr_region_expand(pixman_region32_t *dst, pixman_region32_t *src,
int distance);
/*
* Builds the smallest possible region that contains the region rotated about
* the point (ox, oy).
*/
void wlr_region_rotated_bounds(pixman_region32_t *dst, pixman_region32_t *src,
float rotation, int ox, int oy);
#endif