From 2693e78109974a4b0a4434f9000207072ced3ba8 Mon Sep 17 00:00:00 2001
From: Rose Hudson <rose@krx.sh>
Date: Sat, 29 Jul 2023 11:26:39 +0100
Subject: [PATCH] examples: switch to new frame scheduling

---
 examples/fullscreen-shell.c | 12 ++++++++++--
 examples/output-layers.c    | 12 ++++++++++--
 examples/output-layout.c    | 10 +++++++++-
 examples/pointer.c          | 10 +++++++++-
 examples/rotation.c         | 10 +++++++++-
 examples/simple.c           | 11 ++++++++++-
 examples/tablet.c           | 11 ++++++++++-
 examples/touch.c            | 11 ++++++++++-
 8 files changed, 77 insertions(+), 10 deletions(-)

diff --git a/examples/fullscreen-shell.c b/examples/fullscreen-shell.c
index c12f126e9..2850f7336 100644
--- a/examples/fullscreen-shell.c
+++ b/examples/fullscreen-shell.c
@@ -9,6 +9,7 @@
 #include <wlr/render/allocator.h>
 #include <wlr/render/wlr_renderer.h>
 #include <wlr/types/wlr_compositor.h>
+#include <wlr/types/wlr_frame_scheduler.h>
 #include <wlr/types/wlr_fullscreen_shell_v1.h>
 #include <wlr/types/wlr_output_layout.h>
 #include <wlr/types/wlr_output.h>
@@ -38,6 +39,7 @@ struct fullscreen_output {
 	struct wl_list link;
 	struct fullscreen_server *server;
 	struct wlr_output *wlr_output;
+	struct wlr_frame_scheduler *frame_scheduler;
 	struct wlr_surface *surface;
 	struct wl_listener surface_destroy;
 
@@ -113,6 +115,8 @@ static void output_handle_frame(struct wl_listener *listener, void *data) {
 	wlr_render_pass_submit(pass);
 	wlr_output_commit_state(output->wlr_output, &state);
 	wlr_output_state_finish(&state);
+
+	wlr_frame_scheduler_schedule_frame(output->frame_scheduler);
 }
 
 static void output_set_surface(struct fullscreen_output *output,
@@ -156,10 +160,12 @@ static void server_handle_new_output(struct wl_listener *listener, void *data) {
 	struct fullscreen_output *output = calloc(1, sizeof(*output));
 	output->wlr_output = wlr_output;
 	output->server = server;
-	output->frame.notify = output_handle_frame;
-	wl_signal_add(&wlr_output->events.frame, &output->frame);
 	wl_list_insert(&server->outputs, &output->link);
 
+	output->frame_scheduler = wlr_frame_scheduler_autocreate(wlr_output);
+	output->frame.notify = output_handle_frame;
+	wl_signal_add(&output->frame_scheduler->events.frame, &output->frame);
+
 	wlr_output_layout_add_auto(server->output_layout, wlr_output);
 	wlr_output_create_global(wlr_output, server->wl_display);
 
@@ -172,6 +178,8 @@ static void server_handle_new_output(struct wl_listener *listener, void *data) {
 	}
 	wlr_output_commit_state(wlr_output, &state);
 	wlr_output_state_finish(&state);
+
+	wlr_frame_scheduler_schedule_frame(output->frame_scheduler);
 }
 
 static void server_handle_present_surface(struct wl_listener *listener,
diff --git a/examples/output-layers.c b/examples/output-layers.c
index d7fadac3a..90f750f3d 100644
--- a/examples/output-layers.c
+++ b/examples/output-layers.c
@@ -10,6 +10,7 @@
 #include <wlr/render/wlr_renderer.h>
 #include <wlr/types/wlr_compositor.h>
 #include <wlr/types/wlr_drm.h>
+#include <wlr/types/wlr_frame_scheduler.h>
 #include <wlr/types/wlr_linux_dmabuf_v1.h>
 #include <wlr/types/wlr_output.h>
 #include <wlr/types/wlr_output_layer.h>
@@ -56,6 +57,7 @@ struct output {
 	struct wl_list link;
 	struct server *server;
 	struct wlr_output *wlr_output;
+	struct wlr_frame_scheduler *frame_scheduler;
 	struct wl_list surfaces;
 
 	struct wl_listener frame;
@@ -157,6 +159,8 @@ static void output_handle_frame(struct wl_listener *listener, void *data) {
 	}
 
 	wl_array_release(&layers_arr);
+
+	wlr_frame_scheduler_schedule_frame(output->frame_scheduler);
 }
 
 static void server_handle_new_output(struct wl_listener *listener, void *data) {
@@ -169,10 +173,12 @@ static void server_handle_new_output(struct wl_listener *listener, void *data) {
 	output->wlr_output = wlr_output;
 	output->server = server;
 	wl_list_init(&output->surfaces);
-	output->frame.notify = output_handle_frame;
-	wl_signal_add(&wlr_output->events.frame, &output->frame);
 	wl_list_insert(&server->outputs, &output->link);
 
+	output->frame_scheduler = wlr_frame_scheduler_autocreate(wlr_output);
+	output->frame.notify = output_handle_frame;
+	wl_signal_add(&output->frame_scheduler->events.frame, &output->frame);
+
 	struct wlr_output_state state;
 	wlr_output_state_init(&state);
 	wlr_output_state_set_enabled(&state, true);
@@ -183,6 +189,8 @@ static void server_handle_new_output(struct wl_listener *listener, void *data) {
 	wlr_output_commit_state(wlr_output, &state);
 	wlr_output_state_finish(&state);
 
+	wlr_frame_scheduler_schedule_frame(output->frame_scheduler);
+
 	wlr_output_create_global(wlr_output, server->wl_display);
 }
 
diff --git a/examples/output-layout.c b/examples/output-layout.c
index 3a3eeb24f..8243e09a5 100644
--- a/examples/output-layout.c
+++ b/examples/output-layout.c
@@ -12,6 +12,7 @@
 #include <wlr/backend/session.h>
 #include <wlr/render/allocator.h>
 #include <wlr/render/wlr_renderer.h>
+#include <wlr/types/wlr_frame_scheduler.h>
 #include <wlr/types/wlr_keyboard.h>
 #include <wlr/types/wlr_input_device.h>
 #include <wlr/types/wlr_output_layout.h>
@@ -37,6 +38,7 @@ struct sample_state {
 struct sample_output {
 	struct sample_state *sample;
 	struct wlr_output *output;
+	struct wlr_frame_scheduler *frame_scheduler;
 	struct wl_listener frame;
 	struct wl_listener destroy;
 };
@@ -143,6 +145,8 @@ static void output_frame_notify(struct wl_listener *listener, void *data) {
 	wlr_render_pass_submit(pass);
 	wlr_output_commit_state(wlr_output, &output_state);
 	wlr_output_state_finish(&output_state);
+
+	wlr_frame_scheduler_schedule_frame(output->frame_scheduler);
 }
 
 static void update_velocities(struct sample_state *sample,
@@ -157,6 +161,7 @@ static void output_remove_notify(struct wl_listener *listener, void *data) {
 	wlr_output_layout_remove(sample->layout, sample_output->output);
 	wl_list_remove(&sample_output->frame.link);
 	wl_list_remove(&sample_output->destroy.link);
+	wlr_frame_scheduler_destroy(sample_output->frame_scheduler);
 	free(sample_output);
 }
 
@@ -170,7 +175,8 @@ static void new_output_notify(struct wl_listener *listener, void *data) {
 	wlr_output_layout_add_auto(sample->layout, output);
 	sample_output->output = output;
 	sample_output->sample = sample;
-	wl_signal_add(&output->events.frame, &sample_output->frame);
+	sample_output->frame_scheduler = wlr_frame_scheduler_autocreate(output);
+	wl_signal_add(&sample_output->frame_scheduler->events.frame, &sample_output->frame);
 	sample_output->frame.notify = output_frame_notify;
 	wl_signal_add(&output->events.destroy, &sample_output->destroy);
 	sample_output->destroy.notify = output_remove_notify;
@@ -184,6 +190,8 @@ static void new_output_notify(struct wl_listener *listener, void *data) {
 	}
 	wlr_output_commit_state(output, &state);
 	wlr_output_state_finish(&state);
+
+	wlr_frame_scheduler_schedule_frame(sample_output->frame_scheduler);
 }
 
 static void keyboard_key_notify(struct wl_listener *listener, void *data) {
diff --git a/examples/pointer.c b/examples/pointer.c
index fed37a5b3..3518c0e82 100644
--- a/examples/pointer.c
+++ b/examples/pointer.c
@@ -11,6 +11,7 @@
 #include <wlr/render/allocator.h>
 #include <wlr/render/wlr_renderer.h>
 #include <wlr/types/wlr_cursor.h>
+#include <wlr/types/wlr_frame_scheduler.h>
 #include <wlr/types/wlr_keyboard.h>
 #include <wlr/types/wlr_output_layout.h>
 #include <wlr/types/wlr_pointer.h>
@@ -62,6 +63,7 @@ struct touch_point {
 struct sample_output {
 	struct sample_state *state;
 	struct wlr_output *output;
+	struct wlr_frame_scheduler *frame_scheduler;
 	struct wl_listener frame;
 	struct wl_listener destroy;
 };
@@ -115,6 +117,8 @@ static void output_frame_notify(struct wl_listener *listener, void *data) {
 	wlr_render_pass_submit(pass);
 	wlr_output_commit_state(wlr_output, &output_state);
 	wlr_output_state_finish(&output_state);
+
+	wlr_frame_scheduler_schedule_frame(sample_output->frame_scheduler);
 }
 
 static void handle_cursor_motion(struct wl_listener *listener, void *data) {
@@ -255,6 +259,7 @@ static void output_remove_notify(struct wl_listener *listener, void *data) {
 	wlr_output_layout_remove(sample->layout, sample_output->output);
 	wl_list_remove(&sample_output->frame.link);
 	wl_list_remove(&sample_output->destroy.link);
+	wlr_frame_scheduler_destroy(sample_output->frame_scheduler);
 	free(sample_output);
 }
 
@@ -267,7 +272,8 @@ static void new_output_notify(struct wl_listener *listener, void *data) {
 	struct sample_output *sample_output = calloc(1, sizeof(*sample_output));
 	sample_output->output = output;
 	sample_output->state = sample;
-	wl_signal_add(&output->events.frame, &sample_output->frame);
+	sample_output->frame_scheduler = wlr_frame_scheduler_autocreate(output);
+	wl_signal_add(&sample_output->frame_scheduler->events.frame, &sample_output->frame);
 	sample_output->frame.notify = output_frame_notify;
 	wl_signal_add(&output->events.destroy, &sample_output->destroy);
 	sample_output->destroy.notify = output_remove_notify;
@@ -282,6 +288,8 @@ static void new_output_notify(struct wl_listener *listener, void *data) {
 	}
 	wlr_output_commit_state(output, &state);
 	wlr_output_state_finish(&state);
+
+	wlr_frame_scheduler_schedule_frame(sample_output->frame_scheduler);
 }
 
 
diff --git a/examples/rotation.c b/examples/rotation.c
index 351973f61..e183e462c 100644
--- a/examples/rotation.c
+++ b/examples/rotation.c
@@ -11,6 +11,7 @@
 #include <wlr/backend.h>
 #include <wlr/render/allocator.h>
 #include <wlr/render/wlr_renderer.h>
+#include <wlr/types/wlr_frame_scheduler.h>
 #include <wlr/types/wlr_keyboard.h>
 #include <wlr/types/wlr_output.h>
 #include <wlr/types/wlr_input_device.h>
@@ -33,6 +34,7 @@ struct sample_state {
 struct sample_output {
 	struct sample_state *sample;
 	struct wlr_output *output;
+	struct wlr_frame_scheduler *frame_scheduler;
 	struct wl_listener frame;
 	struct wl_listener destroy;
 	float x_offs, y_offs;
@@ -93,6 +95,8 @@ static void output_frame_notify(struct wl_listener *listener, void *data) {
 		sample_output->y_offs = 0;
 	}
 	sample->last_frame = now;
+
+	wlr_frame_scheduler_schedule_frame(sample_output->frame_scheduler);
 }
 
 static void update_velocities(struct sample_state *sample,
@@ -108,6 +112,7 @@ static void output_remove_notify(struct wl_listener *listener, void *data) {
 	struct sample_output *sample_output = wl_container_of(listener, sample_output, destroy);
 	wl_list_remove(&sample_output->frame.link);
 	wl_list_remove(&sample_output->destroy.link);
+	wlr_frame_scheduler_destroy(sample_output->frame_scheduler);
 	free(sample_output);
 }
 
@@ -123,7 +128,8 @@ static void new_output_notify(struct wl_listener *listener, void *data) {
 
 	sample_output->output = output;
 	sample_output->sample = sample;
-	wl_signal_add(&output->events.frame, &sample_output->frame);
+	sample_output->frame_scheduler = wlr_frame_scheduler_autocreate(output);
+	wl_signal_add(&sample_output->frame_scheduler->events.frame, &sample_output->frame);
 	sample_output->frame.notify = output_frame_notify;
 	wl_signal_add(&output->events.destroy, &sample_output->destroy);
 	sample_output->destroy.notify = output_remove_notify;
@@ -139,6 +145,8 @@ static void new_output_notify(struct wl_listener *listener, void *data) {
 	}
 	wlr_output_commit_state(output, &state);
 	wlr_output_state_finish(&state);
+
+	wlr_frame_scheduler_schedule_frame(sample_output->frame_scheduler);
 }
 
 static void keyboard_key_notify(struct wl_listener *listener, void *data) {
diff --git a/examples/simple.c b/examples/simple.c
index 81ed2e0e9..2026eba2b 100644
--- a/examples/simple.c
+++ b/examples/simple.c
@@ -8,6 +8,7 @@
 #include <wlr/backend/session.h>
 #include <wlr/render/allocator.h>
 #include <wlr/render/wlr_renderer.h>
+#include <wlr/types/wlr_frame_scheduler.h>
 #include <wlr/types/wlr_output.h>
 #include <wlr/types/wlr_input_device.h>
 #include <wlr/types/wlr_keyboard.h>
@@ -28,6 +29,7 @@ struct sample_state {
 struct sample_output {
 	struct sample_state *sample;
 	struct wlr_output *output;
+	struct wlr_frame_scheduler *frame_scheduler;
 	struct wl_listener frame;
 	struct wl_listener destroy;
 };
@@ -78,6 +80,8 @@ static void output_frame_notify(struct wl_listener *listener, void *data) {
 	wlr_output_commit_state(wlr_output, &state);
 	wlr_output_state_finish(&state);
 	sample->last_frame = now;
+
+	wlr_frame_scheduler_schedule_frame(sample_output->frame_scheduler);
 }
 
 static void output_remove_notify(struct wl_listener *listener, void *data) {
@@ -86,6 +90,7 @@ static void output_remove_notify(struct wl_listener *listener, void *data) {
 	wlr_log(WLR_DEBUG, "Output removed");
 	wl_list_remove(&sample_output->frame.link);
 	wl_list_remove(&sample_output->destroy.link);
+	wlr_frame_scheduler_destroy(sample_output->frame_scheduler);
 	free(sample_output);
 }
 
@@ -99,7 +104,9 @@ static void new_output_notify(struct wl_listener *listener, void *data) {
 	struct sample_output *sample_output = calloc(1, sizeof(*sample_output));
 	sample_output->output = output;
 	sample_output->sample = sample;
-	wl_signal_add(&output->events.frame, &sample_output->frame);
+
+	sample_output->frame_scheduler = wlr_frame_scheduler_autocreate(output);
+	wl_signal_add(&sample_output->frame_scheduler->events.frame, &sample_output->frame);
 	sample_output->frame.notify = output_frame_notify;
 	wl_signal_add(&output->events.destroy, &sample_output->destroy);
 	sample_output->destroy.notify = output_remove_notify;
@@ -113,6 +120,8 @@ static void new_output_notify(struct wl_listener *listener, void *data) {
 	}
 	wlr_output_commit_state(output, &state);
 	wlr_output_state_finish(&state);
+
+	wlr_frame_scheduler_schedule_frame(sample_output->frame_scheduler);
 }
 
 static void keyboard_key_notify(struct wl_listener *listener, void *data) {
diff --git a/examples/tablet.c b/examples/tablet.c
index 8f0754df1..839ddf709 100644
--- a/examples/tablet.c
+++ b/examples/tablet.c
@@ -11,6 +11,7 @@
 #include <wlr/backend/session.h>
 #include <wlr/render/allocator.h>
 #include <wlr/render/wlr_renderer.h>
+#include <wlr/types/wlr_frame_scheduler.h>
 #include <wlr/types/wlr_output.h>
 #include <wlr/types/wlr_input_device.h>
 #include <wlr/types/wlr_keyboard.h>
@@ -66,6 +67,7 @@ struct tablet_pad_state {
 struct sample_output {
 	struct sample_state *sample;
 	struct wlr_output *output;
+	struct wlr_frame_scheduler *frame_scheduler;
 	struct wl_listener frame;
 	struct wl_listener destroy;
 };
@@ -160,6 +162,8 @@ static void output_frame_notify(struct wl_listener *listener, void *data) {
 	wlr_output_commit_state(wlr_output, &output_state);
 	wlr_output_state_finish(&output_state);
 	sample->last_frame = now;
+
+	wlr_frame_scheduler_schedule_frame(sample_output->frame_scheduler);
 }
 
 static void tablet_tool_axis_notify(struct wl_listener *listener, void *data) {
@@ -261,6 +265,7 @@ static void output_remove_notify(struct wl_listener *listener, void *data) {
 	struct sample_output *sample_output = wl_container_of(listener, sample_output, destroy);
 	wl_list_remove(&sample_output->frame.link);
 	wl_list_remove(&sample_output->destroy.link);
+	wlr_frame_scheduler_destroy(sample_output->frame_scheduler);
 	free(sample_output);
 }
 
@@ -273,7 +278,9 @@ static void new_output_notify(struct wl_listener *listener, void *data) {
 	struct sample_output *sample_output = calloc(1, sizeof(*sample_output));
 	sample_output->output = output;
 	sample_output->sample = sample;
-	wl_signal_add(&output->events.frame, &sample_output->frame);
+
+	sample_output->frame_scheduler = wlr_frame_scheduler_autocreate(output);
+	wl_signal_add(&sample_output->frame_scheduler->events.frame, &sample_output->frame);
 	sample_output->frame.notify = output_frame_notify;
 	wl_signal_add(&output->events.destroy, &sample_output->destroy);
 	sample_output->destroy.notify = output_remove_notify;
@@ -287,6 +294,8 @@ static void new_output_notify(struct wl_listener *listener, void *data) {
 	}
 	wlr_output_commit_state(output, &state);
 	wlr_output_state_finish(&state);
+
+	wlr_frame_scheduler_schedule_frame(sample_output->frame_scheduler);
 }
 
 static void keyboard_key_notify(struct wl_listener *listener, void *data) {
diff --git a/examples/touch.c b/examples/touch.c
index e1bd73818..7511eee36 100644
--- a/examples/touch.c
+++ b/examples/touch.c
@@ -11,6 +11,7 @@
 #include <wlr/backend/session.h>
 #include <wlr/render/allocator.h>
 #include <wlr/render/wlr_renderer.h>
+#include <wlr/types/wlr_frame_scheduler.h>
 #include <wlr/types/wlr_output.h>
 #include <wlr/types/wlr_input_device.h>
 #include <wlr/types/wlr_keyboard.h>
@@ -52,6 +53,7 @@ struct touch_state {
 struct sample_output {
 	struct sample_state *sample;
 	struct wlr_output *output;
+	struct wlr_frame_scheduler *frame_scheduler;
 	struct wl_listener frame;
 	struct wl_listener destroy;
 };
@@ -96,6 +98,8 @@ static void output_frame_notify(struct wl_listener *listener, void *data) {
 	wlr_output_commit_state(wlr_output, &output_state);
 	wlr_output_state_finish(&output_state);
 	sample->last_frame = now;
+
+	wlr_frame_scheduler_schedule_frame(sample_output->frame_scheduler);
 }
 
 static void touch_down_notify(struct wl_listener *listener, void *data) {
@@ -164,6 +168,7 @@ static void output_remove_notify(struct wl_listener *listener, void *data) {
 	struct sample_output *sample_output = wl_container_of(listener, sample_output, destroy);
 	wl_list_remove(&sample_output->frame.link);
 	wl_list_remove(&sample_output->destroy.link);
+	wlr_frame_scheduler_destroy(sample_output->frame_scheduler);
 	free(sample_output);
 }
 
@@ -176,7 +181,9 @@ static void new_output_notify(struct wl_listener *listener, void *data) {
 	struct sample_output *sample_output = calloc(1, sizeof(*sample_output));
 	sample_output->output = output;
 	sample_output->sample = sample;
-	wl_signal_add(&output->events.frame, &sample_output->frame);
+
+	sample_output->frame_scheduler = wlr_frame_scheduler_autocreate(output);
+	wl_signal_add(&sample_output->frame_scheduler->events.frame, &sample_output->frame);
 	sample_output->frame.notify = output_frame_notify;
 	wl_signal_add(&output->events.destroy, &sample_output->destroy);
 	sample_output->destroy.notify = output_remove_notify;
@@ -190,6 +197,8 @@ static void new_output_notify(struct wl_listener *listener, void *data) {
 	}
 	wlr_output_commit_state(output, &state);
 	wlr_output_state_finish(&state);
+
+	wlr_frame_scheduler_schedule_frame(sample_output->frame_scheduler);
 }
 
 static void keyboard_key_notify(struct wl_listener *listener, void *data) {