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-rw-r--r--backend/backend.c7
-rw-r--r--backend/drm/backend.c6
-rw-r--r--backend/drm/drm.c33
-rw-r--r--backend/headless/output.c4
-rw-r--r--backend/multi/backend.c17
-rw-r--r--backend/wayland/output.c10
-rw-r--r--backend/x11/output.c7
7 files changed, 75 insertions, 9 deletions
diff --git a/backend/backend.c b/backend/backend.c
index 2d6464b7..4b186767 100644
--- a/backend/backend.c
+++ b/backend/backend.c
@@ -64,6 +64,13 @@ struct wlr_session *wlr_backend_get_session(struct wlr_backend *backend) {
return NULL;
}
+clockid_t wlr_backend_get_presentation_clock(struct wlr_backend *backend) {
+ if (backend->impl->get_presentation_clock) {
+ return backend->impl->get_presentation_clock(backend);
+ }
+ return CLOCK_MONOTONIC;
+}
+
static size_t parse_outputs_env(const char *name) {
const char *outputs_str = getenv(name);
if (outputs_str == NULL) {
diff --git a/backend/drm/backend.c b/backend/drm/backend.c
index b298365e..a9082077 100644
--- a/backend/drm/backend.c
+++ b/backend/drm/backend.c
@@ -65,10 +65,16 @@ static struct wlr_renderer *backend_get_renderer(
}
}
+static clockid_t backend_get_presentation_clock(struct wlr_backend *backend) {
+ struct wlr_drm_backend *drm = get_drm_backend_from_backend(backend);
+ return drm->clock;
+}
+
static struct wlr_backend_impl backend_impl = {
.start = backend_start,
.destroy = backend_destroy,
.get_renderer = backend_get_renderer,
+ .get_presentation_clock = backend_get_presentation_clock,
};
bool wlr_backend_is_drm(struct wlr_backend *b) {
diff --git a/backend/drm/drm.c b/backend/drm/drm.c
index fa9a95ae..0187e5d0 100644
--- a/backend/drm/drm.c
+++ b/backend/drm/drm.c
@@ -1,3 +1,4 @@
+#define _POSIX_C_SOURCE 199309L
#include <assert.h>
#include <drm_mode.h>
#include <EGL/egl.h>
@@ -27,8 +28,8 @@
#include "util/signal.h"
bool check_drm_features(struct wlr_drm_backend *drm) {
+ uint64_t cap;
if (drm->parent) {
- uint64_t cap;
if (drmGetCap(drm->fd, DRM_CAP_PRIME, &cap) ||
!(cap & DRM_PRIME_CAP_IMPORT)) {
wlr_log(WLR_ERROR,
@@ -51,16 +52,21 @@ bool check_drm_features(struct wlr_drm_backend *drm) {
const char *no_atomic = getenv("WLR_DRM_NO_ATOMIC");
if (no_atomic && strcmp(no_atomic, "1") == 0) {
- wlr_log(WLR_DEBUG, "WLR_DRM_NO_ATOMIC set, forcing legacy DRM interface");
+ wlr_log(WLR_DEBUG,
+ "WLR_DRM_NO_ATOMIC set, forcing legacy DRM interface");
drm->iface = &legacy_iface;
} else if (drmSetClientCap(drm->fd, DRM_CLIENT_CAP_ATOMIC, 1)) {
- wlr_log(WLR_DEBUG, "Atomic modesetting unsupported, using legacy DRM interface");
+ wlr_log(WLR_DEBUG,
+ "Atomic modesetting unsupported, using legacy DRM interface");
drm->iface = &legacy_iface;
} else {
wlr_log(WLR_DEBUG, "Using atomic DRM interface");
drm->iface = &atomic_iface;
}
+ int ret = drmGetCap(drm->fd, DRM_CAP_TIMESTAMP_MONOTONIC, &cap);
+ drm->clock = (ret == 0 && cap == 1) ? CLOCK_MONOTONIC : CLOCK_REALTIME;
+
return true;
}
@@ -1148,9 +1154,13 @@ void scan_drm_connectors(struct wlr_drm_backend *drm) {
attempt_enable_needs_modeset(drm);
}
+static int mhz_to_nsec(int mhz) {
+ return 1000000000000LL / mhz;
+}
+
static void page_flip_handler(int fd, unsigned seq,
- unsigned tv_sec, unsigned tv_usec, void *user) {
- struct wlr_drm_connector *conn = user;
+ unsigned tv_sec, unsigned tv_usec, void *data) {
+ struct wlr_drm_connector *conn = data;
struct wlr_drm_backend *drm =
get_drm_backend_from_backend(conn->output.backend);
@@ -1170,6 +1180,19 @@ static void page_flip_handler(int fd, unsigned seq,
post_drm_surface(&conn->crtc->primary->mgpu_surf);
}
+ struct timespec present_time = {
+ .tv_sec = tv_sec,
+ .tv_nsec = tv_usec * 1000,
+ };
+ struct wlr_output_event_present present_event = {
+ .when = &present_time,
+ .seq = seq,
+ .refresh = mhz_to_nsec(conn->output.refresh),
+ .flags = WLR_OUTPUT_PRESENT_VSYNC | WLR_OUTPUT_PRESENT_HW_CLOCK |
+ WLR_OUTPUT_PRESENT_HW_COMPLETION,
+ };
+ wlr_output_send_present(&conn->output, &present_event);
+
if (drm->session->active) {
wlr_output_send_frame(&conn->output);
}
diff --git a/backend/headless/output.c b/backend/headless/output.c
index 143900d4..3cb35dce 100644
--- a/backend/headless/output.c
+++ b/backend/headless/output.c
@@ -67,7 +67,9 @@ static bool output_make_current(struct wlr_output *wlr_output, int *buffer_age)
static bool output_swap_buffers(struct wlr_output *wlr_output,
pixman_region32_t *damage) {
- return true; // No-op
+ // Nothing needs to be done for pbuffers
+ wlr_output_send_present(wlr_output, NULL);
+ return true;
}
static void output_destroy(struct wlr_output *wlr_output) {
diff --git a/backend/multi/backend.c b/backend/multi/backend.c
index 2f4b929f..cefaa361 100644
--- a/backend/multi/backend.c
+++ b/backend/multi/backend.c
@@ -1,6 +1,8 @@
+#define _POSIX_C_SOURCE 199309L
#include <assert.h>
#include <stdbool.h>
#include <stdlib.h>
+#include <time.h>
#include <wlr/backend/interface.h>
#include <wlr/backend/session.h>
#include <wlr/util/log.h>
@@ -77,11 +79,26 @@ static struct wlr_session *multi_backend_get_session(
return backend->session;
}
+static clockid_t multi_backend_get_presentation_clock(
+ struct wlr_backend *backend) {
+ struct wlr_multi_backend *multi = multi_backend_from_backend(backend);
+
+ struct subbackend_state *sub;
+ wl_list_for_each(sub, &multi->backends, link) {
+ if (sub->backend->impl->get_presentation_clock) {
+ return wlr_backend_get_presentation_clock(sub->backend);
+ }
+ }
+
+ return CLOCK_MONOTONIC;
+}
+
struct wlr_backend_impl backend_impl = {
.start = multi_backend_start,
.destroy = multi_backend_destroy,
.get_renderer = multi_backend_get_renderer,
.get_session = multi_backend_get_session,
+ .get_presentation_clock = multi_backend_get_presentation_clock,
};
static void handle_display_destroy(struct wl_listener *listener, void *data) {
diff --git a/backend/wayland/output.c b/backend/wayland/output.c
index 4eb99a3b..bc7a9f05 100644
--- a/backend/wayland/output.c
+++ b/backend/wayland/output.c
@@ -66,8 +66,14 @@ static bool output_swap_buffers(struct wlr_output *wlr_output,
output->frame_callback = wl_surface_frame(output->surface);
wl_callback_add_listener(output->frame_callback, &frame_listener, output);
- return wlr_egl_swap_buffers(&output->backend->egl, output->egl_surface,
- damage);
+ if (!wlr_egl_swap_buffers(&output->backend->egl,
+ output->egl_surface, damage)) {
+ return false;
+ }
+
+ // TODO: if available, use the presentation-time protocol
+ wlr_output_send_present(wlr_output, NULL);
+ return true;
}
static void output_transform(struct wlr_output *wlr_output,
diff --git a/backend/x11/output.c b/backend/x11/output.c
index e0210b1a..1ac12a8d 100644
--- a/backend/x11/output.c
+++ b/backend/x11/output.c
@@ -102,7 +102,12 @@ static bool output_swap_buffers(struct wlr_output *wlr_output,
struct wlr_x11_output *output = (struct wlr_x11_output *)wlr_output;
struct wlr_x11_backend *x11 = output->x11;
- return wlr_egl_swap_buffers(&x11->egl, output->surf, damage);
+ if (!wlr_egl_swap_buffers(&x11->egl, output->surf, damage)) {
+ return false;
+ }
+
+ wlr_output_send_present(wlr_output, NULL);
+ return true;
}
static const struct wlr_output_impl output_impl = {
generated by cgit v1.2.3 (git 2.39.1) at 2024-09-24 22:18:57 +0000