backend: drop wlr_backend_get_presentation_clock()

We can just assume CLOCK_MONOTONIC everywhere.

Simplifies the backend API, and fixes clock mismatches when multiple
backends are used together with different clocks.
This commit is contained in:
Simon Ser 2023-10-30 18:37:13 +01:00
parent 5fac9b1beb
commit 1c24b1182b
12 changed files with 13 additions and 56 deletions

View file

@ -51,10 +51,6 @@ bool wlr_backend_start(struct wlr_backend *backend);
* automatically when the struct wl_display is destroyed.
*/
void wlr_backend_destroy(struct wlr_backend *backend);
/**
* Returns the clock used by the backend for presentation feedback.
*/
clockid_t wlr_backend_get_presentation_clock(struct wlr_backend *backend);
/**
* Returns the DRM node file descriptor used by the backend's underlying
* platform. Can be used by consumers for additional rendering operations.

View file

@ -10,13 +10,11 @@
#define WLR_BACKEND_INTERFACE_H
#include <stdbool.h>
#include <time.h>
#include <wlr/backend.h>
struct wlr_backend_impl {
bool (*start)(struct wlr_backend *backend);
void (*destroy)(struct wlr_backend *backend);
clockid_t (*get_presentation_clock)(struct wlr_backend *backend);
int (*get_drm_fd)(struct wlr_backend *backend);
uint32_t (*get_buffer_caps)(struct wlr_backend *backend);
};

View file

@ -21,7 +21,6 @@ struct wlr_output_event_present;
struct wlr_presentation {
struct wl_global *global;
clockid_t clock;
struct {
struct wl_signal destroy;