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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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13
backend/wayland/backend.c
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@ -95,7 +95,11 @@ static const struct xdg_wm_base_listener xdg_wm_base_listener = {
static void presentation_handle_clock_id(void *data,
struct wp_presentation *presentation, uint32_t clock) {
struct wlr_wl_backend *wl = data;
wl->presentation_clock = clock;
if (clock != CLOCK_MONOTONIC) {
wp_presentation_destroy(wl->presentation);
wl->presentation = NULL;
}
}
static const struct wp_presentation_listener presentation_listener = {
@ -535,11 +539,6 @@ static void backend_destroy(struct wlr_backend *backend) {
free(wl);
}
static clockid_t backend_get_presentation_clock(struct wlr_backend *backend) {
struct wlr_wl_backend *wl = get_wl_backend_from_backend(backend);
return wl->presentation_clock;
}
static int backend_get_drm_fd(struct wlr_backend *backend) {
struct wlr_wl_backend *wl = get_wl_backend_from_backend(backend);
return wl->drm_fd;
@ -554,7 +553,6 @@ static uint32_t get_buffer_caps(struct wlr_backend *backend) {
static const struct wlr_backend_impl backend_impl = {
.start = backend_start,
.destroy = backend_destroy,
.get_presentation_clock = backend_get_presentation_clock,
.get_drm_fd = backend_get_drm_fd,
.get_buffer_caps = get_buffer_caps,
};
@ -585,7 +583,6 @@ struct wlr_backend *wlr_wl_backend_create(struct wl_display *display,
wl_list_init(&wl->outputs);
wl_list_init(&wl->seats);
wl_list_init(&wl->buffers);
wl->presentation_clock = CLOCK_MONOTONIC;
if (remote_display != NULL) {
wl->remote_display = remote_display;