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output-management-v1: add wlr_output_configuration_v1_build_state()

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A convenience function to make it easier for compositors to
implement the protocol.
This commit is contained in:
Simon Ser 2022-09-14 11:56:01 +02:00 • committed by Kenny Levinsen
parent 917c650903
commit 2ff3479558
2 changed files with 35 additions and 0 deletions
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12
include/wlr/types/wlr_output_management_v1.h
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@ -154,4 +154,16 @@ void wlr_output_head_v1_state_apply(
const struct wlr_output_head_v1_state *head_state,
struct wlr_output_state *output_state);
/**
* Build an array of struct wlr_output_state reflecting the new configuration.
*
* The states_len pointer will be populated with the number of elements in the
* array. The caller is responsible for freeing the array.
*
* The returned array can be passed to wlr_backend_test() and
* wlr_backend_commit().
*/
struct wlr_backend_output_state *wlr_output_configuration_v1_build_state(
const struct wlr_output_configuration_v1 *config, size_t *states_len);
#endif