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output: add wlr_output_get_primary_formats

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This allows compositors to get primary formats without manually
calling wlr_output_impl.get_primary_formats.

For example, the Sway patch for linux-dmabuf feedback [1] needs
this.

[1]: https://github.com/swaywm/sway/pull/6313
This commit is contained in:
Simon Ser 2021-11-30 20:26:11 +01:00
parent e93435016e
commit 697a1cd0f5
3 changed files with 32 additions and 20 deletions
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10
include/wlr/types/wlr_output.h
View file

@ -460,6 +460,16 @@ void wlr_output_lock_software_cursors(struct wlr_output *output, bool lock);
*/
void wlr_output_render_software_cursors(struct wlr_output *output,
pixman_region32_t *damage);
/**
* Get the set of DRM formats suitable for the primary buffer, assuming a
* buffer with the specified capabilities.
*
* NULL is returned if the backend doesn't have any format constraint, ie. all
* formats are supported. An empty set is returned if the backend doesn't
* support any format.
*/
const struct wlr_drm_format_set *wlr_output_get_primary_formats(
struct wlr_output *output, uint32_t buffer_caps);
struct wlr_output_cursor *wlr_output_cursor_create(struct wlr_output *output);