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backend: drop wlr_backend_get_presentation_clock()

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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
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2
include/backend/drm/drm.h
View file

@ -4,7 +4,6 @@
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include <time.h>
#include <wayland-server-core.h>
#include <wayland-util.h>
#include <wlr/backend/drm.h>
@ -79,7 +78,6 @@ struct wlr_drm_backend {
struct wlr_drm_backend *parent;
const struct wlr_drm_interface *iface;
clockid_t clock;
bool addfb2_modifiers;
int fd;

1
include/backend/wayland.h
View file

@ -43,7 +43,6 @@ struct wlr_wl_backend {
struct zwp_relative_pointer_manager_v1 *zwp_relative_pointer_manager_v1;
struct wl_list seats; // wlr_wl_seat.link
struct zwp_tablet_manager_v2 *tablet_manager;
clockid_t presentation_clock;
struct wlr_drm_format_set shm_formats;
struct wlr_drm_format_set linux_dmabuf_v1_formats;
struct wl_drm *legacy_drm;

4
include/wlr/backend.h
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.

2
include/wlr/backend/interface.h
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);
};

1
include/wlr/types/wlr_presentation_time.h
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;