diff options
| author | Simon Ser <contact@emersion.fr> | 2021-12-01 13:35:50 +0100 |
|---|---|---|
| committer | Simon Zeni <simon@bl4ckb0ne.ca> | 2021-12-03 14:42:41 +0000 |
| commit | 7201aae3d607ad121ea0dfb3a50eb2c3f65b7d85 (patch) | |
| tree | 3b0851a1e21756f65af9df962cda5ef9ca95e30a /include/wlr | |
| parent | 92080b3a014d92af628de964e66aca705da3041d (diff) | |
render/drm-format-set: add wlr_drm_format_set_intersect
This intersects two DRM format sets. This is useful for implementing
DMA-BUF feedback in compositors, see e.g. the Sway PR [1].
[1]: https://github.com/swaywm/sway/pull/6313
Diffstat (limited to 'include/wlr')
| -rw-r--r-- | include/wlr/render/drm_format_set.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/wlr/render/drm_format_set.h b/include/wlr/render/drm_format_set.h index 9427df3b..9f4a86ea 100644 --- a/include/wlr/render/drm_format_set.h +++ b/include/wlr/render/drm_format_set.h @@ -63,4 +63,13 @@ bool wlr_drm_format_set_has(const struct wlr_drm_format_set *set, bool wlr_drm_format_set_add(struct wlr_drm_format_set *set, uint32_t format, uint64_t modifier); +/** + * Intersect two DRM format sets `a` and `b`, storing in the destination set + * `dst` the format + modifier pairs which are in both source sets. + * + * Returns false on failure or when the intersection is empty. + */ +bool wlr_drm_format_set_intersect(struct wlr_drm_format_set *dst, + const struct wlr_drm_format_set *a, const struct wlr_drm_format_set *b); + #endif |