build: bump version to 0.19.3

(cherry picked from commit 67ce318b1f)

.builds/archlinux.yml

@@ -41,9 +41,10 @@ tasks:
       cd wlroots/build-gcc/tinywl
       sudo modprobe vkms
       udevadm settle
+      card="/dev/dri/$(ls /sys/devices/faux/vkms/drm/ | grep ^card)"
       export WLR_BACKENDS=drm
       export WLR_RENDERER=pixman
-      export WLR_DRM_DEVICES=/dev/dri/by-path/platform-vkms-card
+      export WLR_DRM_DEVICES="$card"
       export UBSAN_OPTIONS=halt_on_error=1
-      sudo chmod ugo+rw /dev/dri/by-path/platform-vkms-card
+      sudo chmod ugo+rw "$card"
       sudo -E seatd-launch -- ./tinywl -s 'kill $PPID' || [ $? = 143 ]

.gitlab-ci.yml

@@ -1,4 +1,4 @@
-include: https://git.sr.ht/~emersion/dalligi/blob/master/templates/multi.yml
+include: https://gitlab.freedesktop.org/emersion/dalligi/-/raw/master/templates/multi.yml
 alpine:
   extends: .dalligi
   pages: true

backend/backend.c

@@ -485,5 +485,10 @@ bool wlr_backend_commit(struct wlr_backend *backend,
 		output_apply_commit(state->output, &state->base);
 	}
 
+	for (size_t i = 0; i < states_len; i++) {
+		const struct wlr_backend_output_state *state = &states[i];
+		output_send_commit_event(state->output, &state->base);
+	}
+
 	return true;
 }

backend/drm/drm.c

@@ -2085,6 +2085,7 @@ int wlr_drm_backend_get_non_master_fd(struct wlr_backend *backend) {
 
 	if (drmIsMaster(fd) && drmDropMaster(fd) < 0) {
 		wlr_log_errno(WLR_ERROR, "Failed to drop master");
+		close(fd);
 		return -1;
 	}
 

backend/libinput/events.c

@@ -249,3 +249,15 @@ void handle_libinput_event(struct wlr_libinput_backend *backend,
 		break;
 	}
 }
+
+bool button_state_from_libinput(enum libinput_button_state state, enum wlr_button_state *out) {
+	switch (state) {
+	case LIBINPUT_BUTTON_STATE_RELEASED:
+		*out = WLR_BUTTON_RELEASED;
+		return true;
+	case LIBINPUT_BUTTON_STATE_PRESSED:
+		*out = WLR_BUTTON_PRESSED;
+		return true;
+	}
+	return false;
+}

backend/libinput/keyboard.c

@@ -2,6 +2,7 @@
 #include <libinput.h>
 #include <stdlib.h>
 #include <wlr/interfaces/wlr_keyboard.h>
+#include <wlr/util/log.h>
 #include "backend/libinput.h"
 
 struct wlr_libinput_input_device *device_from_keyboard(
@@ -30,6 +31,18 @@ void init_device_keyboard(struct wlr_libinput_input_device *dev) {
 	libinput_device_led_update(dev->handle, 0);
 }
 
+static bool key_state_from_libinput(enum libinput_key_state state, enum wl_keyboard_key_state *out) {
+	switch (state) {
+	case LIBINPUT_KEY_STATE_RELEASED:
+		*out = WL_KEYBOARD_KEY_STATE_RELEASED;
+		return true;
+	case LIBINPUT_KEY_STATE_PRESSED:
+		*out = WL_KEYBOARD_KEY_STATE_PRESSED;
+		return true;
+	}
+	return false;
+}
+
 void handle_keyboard_key(struct libinput_event *event,
 		struct wlr_keyboard *kb) {
 	struct libinput_event_keyboard *kbevent =
@@ -39,13 +52,9 @@ void handle_keyboard_key(struct libinput_event *event,
 		.keycode = libinput_event_keyboard_get_key(kbevent),
 		.update_state = true,
 	};
-	switch (libinput_event_keyboard_get_key_state(kbevent)) {
-	case LIBINPUT_KEY_STATE_RELEASED:
-		wlr_event.state = WL_KEYBOARD_KEY_STATE_RELEASED;
-		break;
-	case LIBINPUT_KEY_STATE_PRESSED:
-		wlr_event.state = WL_KEYBOARD_KEY_STATE_PRESSED;
-		break;
+	if (!key_state_from_libinput(libinput_event_keyboard_get_key_state(kbevent), &wlr_event.state)) {
+		wlr_log(WLR_DEBUG, "Unhandled libinput key state");
+		return;
 	}
 	wlr_keyboard_notify_key(kb, &wlr_event);
 }

backend/libinput/meson.build

@@ -29,3 +29,7 @@ features += { 'libinput-backend': true }
 wlr_deps += libinput
 
 internal_config.set10('HAVE_LIBINPUT_BUSTYPE', libinput.version().version_compare('>=1.26.0'))
+internal_config.set10(
+	'HAVE_LIBINPUT_SWITCH_KEYPAD_SLIDE',
+	libinput.version().version_compare('>=1.30.901')
+)

backend/libinput/pointer.c

@@ -1,6 +1,7 @@
 #include <assert.h>
 #include <libinput.h>
 #include <wlr/interfaces/wlr_pointer.h>
+#include <wlr/util/log.h>
 #include "backend/libinput.h"
 
 const struct wlr_pointer_impl libinput_pointer_impl = {
@@ -52,6 +53,38 @@ void handle_pointer_motion_abs(struct libinput_event *event,
 	wl_signal_emit_mutable(&pointer->events.frame, pointer);
 }
 
+static bool pointer_button_state_from_libinput(enum libinput_button_state state,
+		enum wl_pointer_button_state *out) {
+	switch (state) {
+	case LIBINPUT_BUTTON_STATE_PRESSED:
+		*out = WL_POINTER_BUTTON_STATE_PRESSED;
+		return true;
+	case LIBINPUT_BUTTON_STATE_RELEASED:
+		*out = WL_POINTER_BUTTON_STATE_RELEASED;
+		return true;
+	}
+	return false;
+}
+
+static bool axis_source_from_libinput(enum libinput_pointer_axis_source source,
+		enum wl_pointer_axis_source *out) {
+	switch (source) {
+	case LIBINPUT_POINTER_AXIS_SOURCE_WHEEL:
+		*out = WL_POINTER_AXIS_SOURCE_WHEEL;
+		return true;
+	case LIBINPUT_POINTER_AXIS_SOURCE_FINGER:
+		*out = WL_POINTER_AXIS_SOURCE_FINGER;
+		return true;
+	case LIBINPUT_POINTER_AXIS_SOURCE_CONTINUOUS:
+		*out = WL_POINTER_AXIS_SOURCE_CONTINUOUS;
+		return true;
+	case LIBINPUT_POINTER_AXIS_SOURCE_WHEEL_TILT:
+		*out = WL_POINTER_AXIS_SOURCE_WHEEL_TILT;
+		return true;
+	}
+	return false;
+}
+
 void handle_pointer_button(struct libinput_event *event,
 		struct wlr_pointer *pointer) {
 	struct libinput_event_pointer *pevent =
@@ -61,13 +94,10 @@ void handle_pointer_button(struct libinput_event *event,
 		.time_msec = usec_to_msec(libinput_event_pointer_get_time_usec(pevent)),
 		.button = libinput_event_pointer_get_button(pevent),
 	};
-	switch (libinput_event_pointer_get_button_state(pevent)) {
-	case LIBINPUT_BUTTON_STATE_PRESSED:
-		wlr_event.state = WL_POINTER_BUTTON_STATE_PRESSED;
-		break;
-	case LIBINPUT_BUTTON_STATE_RELEASED:
-		wlr_event.state = WL_POINTER_BUTTON_STATE_RELEASED;
-		break;
+	if (!pointer_button_state_from_libinput(libinput_event_pointer_get_button_state(pevent),
+			&wlr_event.state)) {
+		wlr_log(WLR_DEBUG, "Unhandled libinput button state");
+		return;
 	}
 	wlr_pointer_notify_button(pointer, &wlr_event);
 	wl_signal_emit_mutable(&pointer->events.frame, pointer);
@@ -81,19 +111,9 @@ void handle_pointer_axis(struct libinput_event *event,
 		.pointer = pointer,
 		.time_msec = usec_to_msec(libinput_event_pointer_get_time_usec(pevent)),
 	};
-	switch (libinput_event_pointer_get_axis_source(pevent)) {
-	case LIBINPUT_POINTER_AXIS_SOURCE_WHEEL:
-		wlr_event.source = WL_POINTER_AXIS_SOURCE_WHEEL;
-		break;
-	case LIBINPUT_POINTER_AXIS_SOURCE_FINGER:
-		wlr_event.source = WL_POINTER_AXIS_SOURCE_FINGER;
-		break;
-	case LIBINPUT_POINTER_AXIS_SOURCE_CONTINUOUS:
-		wlr_event.source = WL_POINTER_AXIS_SOURCE_CONTINUOUS;
-		break;
-	case LIBINPUT_POINTER_AXIS_SOURCE_WHEEL_TILT:
-		wlr_event.source = WL_POINTER_AXIS_SOURCE_WHEEL_TILT;
-		break;
+	if (!axis_source_from_libinput(libinput_event_pointer_get_axis_source(pevent), &wlr_event.source)) {
+		wlr_log(WLR_DEBUG, "Unhandled libinput pointer axis source");
+		return;
 	}
 	const enum libinput_pointer_axis axes[] = {
 		LIBINPUT_POINTER_AXIS_SCROLL_VERTICAL,

backend/libinput/switch.c

@@ -1,7 +1,9 @@
 #include <assert.h>
 #include <libinput.h>
 #include <wlr/interfaces/wlr_switch.h>
+#include <wlr/util/log.h>
 #include "backend/libinput.h"
+#include "config.h"
 
 const struct wlr_switch_impl libinput_switch_impl = {
 	.name = "libinput-switch",
@@ -22,6 +24,35 @@ struct wlr_libinput_input_device *device_from_switch(
 	return dev;
 }
 
+static bool switch_type_from_libinput(enum libinput_switch type, enum wlr_switch_type *out) {
+	switch (type) {
+	case LIBINPUT_SWITCH_LID:
+		*out = WLR_SWITCH_TYPE_LID;
+		return true;
+	case LIBINPUT_SWITCH_TABLET_MODE:
+		*out = WLR_SWITCH_TYPE_TABLET_MODE;
+		return true;
+#if HAVE_LIBINPUT_SWITCH_KEYPAD_SLIDE
+	case LIBINPUT_SWITCH_KEYPAD_SLIDE:
+		*out = WLR_SWITCH_TYPE_KEYPAD_SLIDE;
+		return true;
+#endif
+	}
+	return false;
+}
+
+static bool switch_state_from_libinput(enum libinput_switch_state state, enum wlr_switch_state *out) {
+	switch (state) {
+	case LIBINPUT_SWITCH_STATE_OFF:
+		*out = WLR_SWITCH_STATE_OFF;
+		return true;
+	case LIBINPUT_SWITCH_STATE_ON:
+		*out = WLR_SWITCH_STATE_ON;
+		return true;
+	}
+	return false;
+}
+
 void handle_switch_toggle(struct libinput_event *event,
 		struct wlr_switch *wlr_switch) {
 	struct libinput_event_switch *sevent =
@@ -29,21 +60,13 @@ void handle_switch_toggle(struct libinput_event *event,
 	struct wlr_switch_toggle_event wlr_event = {
 		.time_msec = usec_to_msec(libinput_event_switch_get_time_usec(sevent)),
 	};
-	switch (libinput_event_switch_get_switch(sevent)) {
-	case LIBINPUT_SWITCH_LID:
-		wlr_event.switch_type = WLR_SWITCH_TYPE_LID;
-		break;
-	case LIBINPUT_SWITCH_TABLET_MODE:
-		wlr_event.switch_type = WLR_SWITCH_TYPE_TABLET_MODE;
-		break;
+	if (!switch_type_from_libinput(libinput_event_switch_get_switch(sevent), &wlr_event.switch_type)) {
+		wlr_log(WLR_DEBUG, "Unhandled libinput switch type");
+		return;
 	}
-	switch (libinput_event_switch_get_switch_state(sevent)) {
-	case LIBINPUT_SWITCH_STATE_OFF:
-		wlr_event.switch_state = WLR_SWITCH_STATE_OFF;
-		break;
-	case LIBINPUT_SWITCH_STATE_ON:
-		wlr_event.switch_state = WLR_SWITCH_STATE_ON;
-		break;
+	if (!switch_state_from_libinput(libinput_event_switch_get_switch_state(sevent), &wlr_event.switch_state)) {
+		wlr_log(WLR_DEBUG, "Unhandled libinput switch state");
+		return;
 	}
 	wl_signal_emit_mutable(&wlr_switch->events.toggle, &wlr_event);
 }

backend/libinput/tablet_pad.c

@@ -104,6 +104,7 @@ void init_device_tablet_pad(struct wlr_libinput_input_device *dev) {
 	struct udev_device *udev = libinput_device_get_udev_device(handle);
 	char **dst = wl_array_add(&wlr_tablet_pad->paths, sizeof(char *));
 	*dst = strdup(udev_device_get_syspath(udev));
+	udev_device_unref(udev);
 
 	int groups = libinput_device_tablet_pad_get_num_mode_groups(handle);
 	for (int i = 0; i < groups; ++i) {
@@ -147,13 +148,9 @@ void handle_tablet_pad_button(struct libinput_event *event,
 		.group = libinput_tablet_pad_mode_group_get_index(
 			libinput_event_tablet_pad_get_mode_group(pevent)),
 	};
-	switch (libinput_event_tablet_pad_get_button_state(pevent)) {
-	case LIBINPUT_BUTTON_STATE_PRESSED:
-		wlr_event.state = WLR_BUTTON_PRESSED;
-		break;
-	case LIBINPUT_BUTTON_STATE_RELEASED:
-		wlr_event.state = WLR_BUTTON_RELEASED;
-		break;
+	if (!button_state_from_libinput(libinput_event_tablet_pad_get_button_state(pevent), &wlr_event.state)) {
+		wlr_log(WLR_DEBUG, "Unhandled libinput button state");
+		return;
 	}
 	wl_signal_emit_mutable(&tablet_pad->events.button, &wlr_event);
 }
@@ -167,6 +164,7 @@ void handle_tablet_pad_ring(struct libinput_event *event,
 		.ring = libinput_event_tablet_pad_get_ring_number(pevent),
 		.position = libinput_event_tablet_pad_get_ring_position(pevent),
 		.mode = libinput_event_tablet_pad_get_mode(pevent),
+		.source = WLR_TABLET_PAD_RING_SOURCE_UNKNOWN,
 	};
 	switch (libinput_event_tablet_pad_get_ring_source(pevent)) {
 	case LIBINPUT_TABLET_PAD_RING_SOURCE_UNKNOWN:
@@ -188,6 +186,7 @@ void handle_tablet_pad_strip(struct libinput_event *event,
 		.strip = libinput_event_tablet_pad_get_strip_number(pevent),
 		.position = libinput_event_tablet_pad_get_strip_position(pevent),
 		.mode = libinput_event_tablet_pad_get_mode(pevent),
+		.source = WLR_TABLET_PAD_STRIP_SOURCE_UNKNOWN,
 	};
 	switch (libinput_event_tablet_pad_get_strip_source(pevent)) {
 	case LIBINPUT_TABLET_PAD_STRIP_SOURCE_UNKNOWN:

backend/libinput/tablet_tool.c

@@ -37,6 +37,7 @@ void init_device_tablet(struct wlr_libinput_input_device *dev) {
 	struct udev_device *udev = libinput_device_get_udev_device(dev->handle);
 	char **dst = wl_array_add(&wlr_tablet->paths, sizeof(char *));
 	*dst = strdup(udev_device_get_syspath(udev));
+	udev_device_unref(udev);
 
 	wl_list_init(&dev->tablet_tools);
 }
@@ -67,27 +68,61 @@ struct wlr_libinput_input_device *device_from_tablet(
 	return dev;
 }
 
-static enum wlr_tablet_tool_type wlr_type_from_libinput_type(
-		enum libinput_tablet_tool_type value) {
-	switch (value) {
+static bool type_from_libinput(enum libinput_tablet_tool_type type,
+		enum wlr_tablet_tool_type *out) {
+	switch (type) {
 	case LIBINPUT_TABLET_TOOL_TYPE_PEN:
-		return WLR_TABLET_TOOL_TYPE_PEN;
+		*out = WLR_TABLET_TOOL_TYPE_PEN;
+		return true;
 	case LIBINPUT_TABLET_TOOL_TYPE_ERASER:
-		return WLR_TABLET_TOOL_TYPE_ERASER;
+		*out = WLR_TABLET_TOOL_TYPE_ERASER;
+		return true;
 	case LIBINPUT_TABLET_TOOL_TYPE_BRUSH:
-		return WLR_TABLET_TOOL_TYPE_BRUSH;
+		*out = WLR_TABLET_TOOL_TYPE_BRUSH;
+		return true;
 	case LIBINPUT_TABLET_TOOL_TYPE_PENCIL:
-		return WLR_TABLET_TOOL_TYPE_PENCIL;
+		*out = WLR_TABLET_TOOL_TYPE_PENCIL;
+		return true;
 	case LIBINPUT_TABLET_TOOL_TYPE_AIRBRUSH:
-		return WLR_TABLET_TOOL_TYPE_AIRBRUSH;
+		*out = WLR_TABLET_TOOL_TYPE_AIRBRUSH;
+		return true;
 	case LIBINPUT_TABLET_TOOL_TYPE_MOUSE:
-		return WLR_TABLET_TOOL_TYPE_MOUSE;
+		*out = WLR_TABLET_TOOL_TYPE_MOUSE;
+		return true;
 	case LIBINPUT_TABLET_TOOL_TYPE_LENS:
-		return WLR_TABLET_TOOL_TYPE_LENS;
+		*out = WLR_TABLET_TOOL_TYPE_LENS;
+		return true;
 	case LIBINPUT_TABLET_TOOL_TYPE_TOTEM:
-		return WLR_TABLET_TOOL_TYPE_TOTEM;
+		*out = WLR_TABLET_TOOL_TYPE_TOTEM;
+		return true;
 	}
-	abort(); // unreachable
+	return false;
+}
+
+static bool proximity_state_from_libinput(enum libinput_tablet_tool_proximity_state state,
+		enum wlr_tablet_tool_proximity_state *out) {
+	switch (state) {
+	case LIBINPUT_TABLET_TOOL_PROXIMITY_STATE_OUT:
+		*out = WLR_TABLET_TOOL_PROXIMITY_OUT;
+		return true;
+	case LIBINPUT_TABLET_TOOL_PROXIMITY_STATE_IN:
+		*out = WLR_TABLET_TOOL_PROXIMITY_IN;
+		return true;
+	}
+	return false;
+}
+
+static bool tip_state_from_libinput(enum libinput_tablet_tool_tip_state state,
+		enum wlr_tablet_tool_tip_state *out) {
+	switch (state) {
+	case LIBINPUT_TABLET_TOOL_TIP_UP:
+		*out = WLR_TABLET_TOOL_TIP_UP;
+		return true;
+	case LIBINPUT_TABLET_TOOL_TIP_DOWN:
+		*out = WLR_TABLET_TOOL_TIP_DOWN;
+		return true;
+	}
+	return false;
 }
 
 static struct tablet_tool *get_tablet_tool(
@@ -99,14 +134,19 @@ static struct tablet_tool *get_tablet_tool(
 		return tool;
 	}
 
+	enum wlr_tablet_tool_type type;
+	if (!type_from_libinput(libinput_tablet_tool_get_type(libinput_tool), &type)) {
+		wlr_log(WLR_DEBUG, "Unhandled libinput tablet tool type");
+		return NULL;
+	}
+
 	tool = calloc(1, sizeof(*tool));
 	if (tool == NULL) {
 		wlr_log_errno(WLR_ERROR, "failed to allocate wlr_libinput_tablet_tool");
 		return NULL;
 	}
 
-	tool->wlr_tool.type = wlr_type_from_libinput_type(
-		libinput_tablet_tool_get_type(libinput_tool));
+	tool->wlr_tool.type = type;
 	tool->wlr_tool.hardware_serial =
 		libinput_tablet_tool_get_serial(libinput_tool);
 	tool->wlr_tool.hardware_wacom =
@@ -198,14 +238,12 @@ void handle_tablet_tool_proximity(struct libinput_event *event,
 		.y = libinput_event_tablet_tool_get_y_transformed(tevent, 1),
 	};
 
-	switch (libinput_event_tablet_tool_get_proximity_state(tevent)) {
-	case LIBINPUT_TABLET_TOOL_PROXIMITY_STATE_OUT:
-		wlr_event.state = WLR_TABLET_TOOL_PROXIMITY_OUT;
-		break;
-	case LIBINPUT_TABLET_TOOL_PROXIMITY_STATE_IN:
-		wlr_event.state = WLR_TABLET_TOOL_PROXIMITY_IN;
-		break;
+	if (!proximity_state_from_libinput(libinput_event_tablet_tool_get_proximity_state(tevent),
+			&wlr_event.state)) {
+		wlr_log(WLR_DEBUG, "Unhandled libinput tablet tool proximity state");
+		return;
 	}
+
 	wl_signal_emit_mutable(&wlr_tablet->events.proximity, &wlr_event);
 
 	if (libinput_event_tablet_tool_get_proximity_state(tevent) ==
@@ -240,14 +278,11 @@ void handle_tablet_tool_tip(struct libinput_event *event,
 		.y = libinput_event_tablet_tool_get_y_transformed(tevent, 1),
 	};
 
-	switch (libinput_event_tablet_tool_get_tip_state(tevent)) {
-	case LIBINPUT_TABLET_TOOL_TIP_UP:
-		wlr_event.state = WLR_TABLET_TOOL_TIP_UP;
-		break;
-	case LIBINPUT_TABLET_TOOL_TIP_DOWN:
-		wlr_event.state = WLR_TABLET_TOOL_TIP_DOWN;
-		break;
+	if (!tip_state_from_libinput(libinput_event_tablet_tool_get_tip_state(tevent), &wlr_event.state)) {
+		wlr_log(WLR_DEBUG, "Unhandled libinput tablet tool tip state");
+		return;
 	}
+
 	wl_signal_emit_mutable(&wlr_tablet->events.tip, &wlr_event);
 }
 
@@ -266,13 +301,11 @@ void handle_tablet_tool_button(struct libinput_event *event,
 		.time_msec = usec_to_msec(libinput_event_tablet_tool_get_time_usec(tevent)),
 		.button = libinput_event_tablet_tool_get_button(tevent),
 	};
-	switch (libinput_event_tablet_tool_get_button_state(tevent)) {
-	case LIBINPUT_BUTTON_STATE_RELEASED:
-		wlr_event.state = WLR_BUTTON_RELEASED;
-		break;
-	case LIBINPUT_BUTTON_STATE_PRESSED:
-		wlr_event.state = WLR_BUTTON_PRESSED;
-		break;
+
+	if (!button_state_from_libinput(libinput_event_tablet_tool_get_button_state(tevent), &wlr_event.state)) {
+		wlr_log(WLR_DEBUG, "Unhandled libinput button state");
+		return;
 	}
+
 	wl_signal_emit_mutable(&wlr_tablet->events.button, &wlr_event);
 }

backend/session/session.c

@@ -36,6 +36,15 @@ static void handle_disable_seat(struct libseat *seat, void *data) {
 
 static int libseat_event(int fd, uint32_t mask, void *data) {
 	struct wlr_session *session = data;
+	if (mask & (WL_EVENT_HANGUP | WL_EVENT_ERROR)) {
+		if (mask & WL_EVENT_ERROR) {
+			wlr_log(WLR_ERROR, "Failed to wait for libseat event");
+		} else {
+			wlr_log(WLR_INFO, "Failed to wait for libseat event");
+		}
+		wlr_session_destroy(session);
+		return 0;
+	}
 	if (libseat_dispatch(session->seat_handle, 0) == -1) {
 		wlr_log_errno(WLR_ERROR, "Failed to dispatch libseat");
 		wlr_session_destroy(session);
@@ -367,7 +376,10 @@ void wlr_session_close_file(struct wlr_session *session,
 	}
 
 	assert(wl_list_empty(&dev->events.change.listener_list));
-	assert(wl_list_empty(&dev->events.remove.listener_list));
+	// TODO: assert that the "remove" listener list is empty as well. Listeners
+	// will typically call wlr_session_close_file() in response, and
+	// wl_signal_emit_mutable() installs two phantom listeners, so we'd count
+	// these two.
 
 	close(dev->fd);
 	wl_list_remove(&dev->link);

include/backend/libinput.h

@@ -132,4 +132,6 @@ void handle_tablet_pad_ring(struct libinput_event *event,
 void handle_tablet_pad_strip(struct libinput_event *event,
 	struct wlr_tablet_pad *tablet_pad);
 
+bool button_state_from_libinput(enum libinput_button_state state, enum wlr_button_state *out);
+
 #endif

include/render/vulkan.h

@@ -433,10 +433,11 @@ void vulkan_reset_command_buffer(struct wlr_vk_command_buffer *cb);
 bool vulkan_wait_command_buffer(struct wlr_vk_command_buffer *cb,
 	struct wlr_vk_renderer *renderer);
 
-bool vulkan_sync_render_buffer(struct wlr_vk_renderer *renderer,
-	struct wlr_vk_render_buffer *render_buffer, struct wlr_vk_command_buffer *cb,
-	struct wlr_drm_syncobj_timeline *signal_timeline, uint64_t signal_point);
-bool vulkan_sync_foreign_texture(struct wlr_vk_texture *texture,
+bool vulkan_sync_render_pass_release(struct wlr_vk_renderer *renderer,
+	struct wlr_vk_render_pass *pass);
+bool vulkan_sync_foreign_texture_acquire(struct wlr_vk_texture *texture,
+	int sync_file_fds[static WLR_DMABUF_MAX_PLANES]);
+bool vulkan_sync_render_buffer_acquire(struct wlr_vk_render_buffer *render_buffer,
 	int sync_file_fds[static WLR_DMABUF_MAX_PLANES]);
 
 bool vulkan_read_pixels(struct wlr_vk_renderer *vk_renderer,

include/types/wlr_output.h

@@ -25,6 +25,7 @@ void output_defer_present(struct wlr_output *output, struct wlr_output_event_pre
 
 bool output_prepare_commit(struct wlr_output *output, const struct wlr_output_state *state);
 void output_apply_commit(struct wlr_output *output, const struct wlr_output_state *state);
+void output_send_commit_event(struct wlr_output *output, const struct wlr_output_state *state);
 
 void output_state_get_buffer_src_box(const struct wlr_output_state *state,
 	struct wlr_fbox *out);

include/wlr/types/wlr_drm_lease_v1.h

@@ -62,8 +62,6 @@ struct wlr_drm_lease_connector_v1 {
 
 	struct wlr_output *output;
 	struct wlr_drm_lease_device_v1 *device;
-	/** NULL if no client is currently leasing this connector */
-	struct wlr_drm_lease_v1 *active_lease;
 
 	struct wl_list link; // wlr_drm_lease_device_v1.connectors
 
@@ -93,9 +91,6 @@ struct wlr_drm_lease_v1 {
 
 	struct wlr_drm_lease_device_v1 *device;
 
-	struct wlr_drm_lease_connector_v1 **connectors;
-	size_t n_connectors;
-
 	struct wl_list link; // wlr_drm_lease_device_v1.leases
 
 	void *data;

include/wlr/types/wlr_switch.h

@@ -36,6 +36,7 @@ struct wlr_switch {
 enum wlr_switch_type {
 	WLR_SWITCH_TYPE_LID,
 	WLR_SWITCH_TYPE_TABLET_MODE,
+	WLR_SWITCH_TYPE_KEYPAD_SLIDE,
 };
 
 enum wlr_switch_state {

include/xwayland/xwm.h

@@ -162,6 +162,7 @@ struct wlr_xwm {
 	struct wl_listener drop_focus_destroy;
 };
 
+// xwm_create takes ownership of wm_fd and will close it under all circumstances.
 struct wlr_xwm *xwm_create(struct wlr_xwayland *wlr_xwayland, int wm_fd);
 
 void xwm_destroy(struct wlr_xwm *xwm);

meson.build

@@ -1,7 +1,7 @@
 project(
 	'wlroots',
 	'c',
-	version: '0.19.0',
+	version: '0.19.3',
 	license: 'MIT',
 	meson_version: '>=1.3',
 	default_options: [

render/allocator/shm.c

@@ -23,6 +23,7 @@ static struct wlr_shm_buffer *shm_buffer_from_buffer(
 
 static void buffer_destroy(struct wlr_buffer *wlr_buffer) {
 	struct wlr_shm_buffer *buffer = shm_buffer_from_buffer(wlr_buffer);
+	wlr_buffer_finish(wlr_buffer);
 	munmap(buffer->data, buffer->size);
 	close(buffer->shm.fd);
 	free(buffer);

render/allocator/udmabuf.c

@@ -31,6 +31,7 @@ static bool buffer_get_dmabuf(struct wlr_buffer *wlr_buffer, struct wlr_dmabuf_a
 
 static void buffer_destroy(struct wlr_buffer *wlr_buffer) {
 	struct wlr_udmabuf_buffer *buffer = wl_container_of(wlr_buffer, buffer, base);
+	wlr_buffer_finish(wlr_buffer);
 	wlr_dmabuf_attributes_finish(&buffer->dmabuf);
 	close(buffer->shm.fd);
 	free(buffer);

render/egl.c

@@ -260,7 +260,8 @@ static struct wlr_egl *egl_create(void) {
 	return egl;
 }
 
-static bool egl_init_display(struct wlr_egl *egl, EGLDisplay display) {
+static bool egl_init_display(struct wlr_egl *egl, EGLDisplay display,
+		bool allow_software) {
 	egl->display = display;
 
 	EGLint major, minor;
@@ -326,9 +327,8 @@ static bool egl_init_display(struct wlr_egl *egl, EGLDisplay display) {
 
 		// The only way a non-DRM device is selected is when the user
 		// explicitly picks software rendering
-		if (check_egl_ext(device_exts_str, "EGL_MESA_device_software") &&
-				egl->exts.EXT_device_drm) {
-			if (env_parse_bool("WLR_RENDERER_ALLOW_SOFTWARE")) {
+		if (check_egl_ext(device_exts_str, "EGL_MESA_device_software")) {
+			if (allow_software || env_parse_bool("WLR_RENDERER_ALLOW_SOFTWARE")) {
 				wlr_log(WLR_INFO, "Using software rendering");
 			} else {
 				wlr_log(WLR_ERROR, "Software rendering detected, please use "
@@ -382,7 +382,7 @@ static bool egl_init_display(struct wlr_egl *egl, EGLDisplay display) {
 }
 
 static bool egl_init(struct wlr_egl *egl, EGLenum platform,
-		void *remote_display) {
+		void *remote_display, bool allow_software) {
 	EGLint display_attribs[3] = {0};
 	size_t display_attribs_len = 0;
 
@@ -401,7 +401,7 @@ static bool egl_init(struct wlr_egl *egl, EGLenum platform,
 		return false;
 	}
 
-	if (!egl_init_display(egl, display)) {
+	if (!egl_init_display(egl, display, allow_software)) {
 		if (egl->exts.KHR_display_reference) {
 			eglTerminate(display);
 		}
@@ -556,6 +556,8 @@ static int open_render_node(int drm_fd) {
 }
 
 struct wlr_egl *wlr_egl_create_with_drm_fd(int drm_fd) {
+	bool allow_software = drm_fd < 0;
+
 	struct wlr_egl *egl = egl_create();
 	if (egl == NULL) {
 		wlr_log(WLR_ERROR, "Failed to create EGL context");
@@ -569,7 +571,7 @@ struct wlr_egl *wlr_egl_create_with_drm_fd(int drm_fd) {
 		 */
 		EGLDeviceEXT egl_device = get_egl_device_from_drm_fd(egl, drm_fd);
 		if (egl_device != EGL_NO_DEVICE_EXT) {
-			if (egl_init(egl, EGL_PLATFORM_DEVICE_EXT, egl_device)) {
+			if (egl_init(egl, EGL_PLATFORM_DEVICE_EXT, egl_device, allow_software)) {
 				wlr_log(WLR_DEBUG, "Using EGL_PLATFORM_DEVICE_EXT");
 				return egl;
 			}
@@ -594,7 +596,7 @@ struct wlr_egl *wlr_egl_create_with_drm_fd(int drm_fd) {
 			goto error;
 		}
 
-		if (egl_init(egl, EGL_PLATFORM_GBM_KHR, egl->gbm_device)) {
+		if (egl_init(egl, EGL_PLATFORM_GBM_KHR, egl->gbm_device, allow_software)) {
 			wlr_log(WLR_DEBUG, "Using EGL_PLATFORM_GBM_KHR");
 			return egl;
 		}
@@ -633,7 +635,7 @@ struct wlr_egl *wlr_egl_create_with_context(EGLDisplay display,
 		return NULL;
 	}
 
-	if (!egl_init_display(egl, display)) {
+	if (!egl_init_display(egl, display, true)) {
 		free(egl);
 		return NULL;
 	}

render/pass.c

@@ -21,8 +21,8 @@ void wlr_render_pass_add_texture(struct wlr_render_pass *render_pass,
 	if (!wlr_fbox_empty(&options->src_box)) {
 		const struct wlr_fbox *box = &options->src_box;
 		assert(box->x >= 0 && box->y >= 0 &&
-			box->x + box->width <= options->texture->width &&
-			box->y + box->height <= options->texture->height);
+		(uint32_t)(box->x + box->width) <= options->texture->width &&
+		(uint32_t)(box->y + box->height) <= options->texture->height);
 	}
 
 	render_pass->impl->add_texture(render_pass, options);

render/vulkan/pass.c

@@ -141,6 +141,40 @@ static VkSemaphore render_pass_wait_sync_file(struct wlr_vk_render_pass *pass,
 	return *sem_ptr;
 }
 
+static bool render_pass_wait_render_buffer(struct wlr_vk_render_pass *pass,
+		VkSemaphoreSubmitInfoKHR *render_wait, uint32_t *render_wait_len_ptr) {
+	int sync_file_fds[WLR_DMABUF_MAX_PLANES];
+	for (size_t i = 0; i < WLR_DMABUF_MAX_PLANES; i++) {
+		sync_file_fds[i] = -1;
+	}
+
+	if (!vulkan_sync_render_buffer_acquire(pass->render_buffer, sync_file_fds)) {
+		return false;
+	}
+
+	for (size_t i = 0; i < WLR_DMABUF_MAX_PLANES; i++) {
+		if (sync_file_fds[i] < 0) {
+			continue;
+		}
+
+		VkSemaphore sem = render_pass_wait_sync_file(pass, *render_wait_len_ptr, sync_file_fds[i]);
+		if (sem == VK_NULL_HANDLE) {
+			close(sync_file_fds[i]);
+			continue;
+		}
+
+		render_wait[*render_wait_len_ptr] = (VkSemaphoreSubmitInfoKHR){
+			.sType = VK_STRUCTURE_TYPE_SEMAPHORE_SUBMIT_INFO_KHR,
+			.semaphore = sem,
+			.stageMask = VK_PIPELINE_STAGE_2_ALL_COMMANDS_BIT_KHR,
+		};
+
+		(*render_wait_len_ptr)++;
+	}
+
+	return true;
+}
+
 static bool render_pass_submit(struct wlr_render_pass *wlr_pass) {
 	struct wlr_vk_render_pass *pass = get_render_pass(wlr_pass);
 	struct wlr_vk_renderer *renderer = pass->renderer;
@@ -236,7 +270,7 @@ static bool render_pass_submit(struct wlr_render_pass *wlr_pass) {
 	vkCmdEndRenderPass(render_cb->vk);
 
 	size_t pass_textures_len = pass->textures.size / sizeof(struct wlr_vk_render_pass_texture);
-	size_t render_wait_cap = pass_textures_len * WLR_DMABUF_MAX_PLANES;
+	size_t render_wait_cap = (1 + pass_textures_len) * WLR_DMABUF_MAX_PLANES;
 	render_wait = calloc(render_wait_cap, sizeof(*render_wait));
 	if (render_wait == NULL) {
 		wlr_log_errno(WLR_ERROR, "Allocation failed");
@@ -314,7 +348,7 @@ static bool render_pass_submit(struct wlr_render_pass *wlr_pass) {
 			sync_file_fds[0] = sync_file_fd;
 		} else {
 			struct wlr_vk_texture *texture = pass_texture->texture;
-			if (!vulkan_sync_foreign_texture(texture, sync_file_fds)) {
+			if (!vulkan_sync_foreign_texture_acquire(texture, sync_file_fds)) {
 				wlr_log(WLR_ERROR, "Failed to wait for foreign texture DMA-BUF fence");
 				continue;
 			}
@@ -341,6 +375,10 @@ static bool render_pass_submit(struct wlr_render_pass *wlr_pass) {
 		}
 	}
 
+	if (!render_pass_wait_render_buffer(pass, render_wait, &render_wait_len)) {
+		wlr_log(WLR_ERROR, "Failed to wait for render buffer DMA-BUF fence");
+	}
+
 	// also add acquire/release barriers for the current render buffer
 	VkImageLayout src_layout = VK_IMAGE_LAYOUT_GENERAL;
 	if (pass->srgb_pathway) {
@@ -538,8 +576,7 @@ static bool render_pass_submit(struct wlr_render_pass *wlr_pass) {
 		wl_list_insert(&stage_cb->stage_buffers, &stage_buf->link);
 	}
 
-	if (!vulkan_sync_render_buffer(renderer, render_buffer, render_cb,
-			pass->signal_timeline, pass->signal_point)) {
+	if (!vulkan_sync_render_pass_release(renderer, pass)) {
 		wlr_log(WLR_ERROR, "Failed to sync render buffer");
 	}
 

render/vulkan/renderer.c

@@ -66,16 +66,35 @@ static struct wlr_vk_descriptor_pool *alloc_ds(
 		struct wl_list *pool_list, size_t *last_pool_size) {
 	VkResult res;
 
-	bool found = false;
+	VkDescriptorSetAllocateInfo ds_info = {
+		.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO,
+		.descriptorSetCount = 1,
+		.pSetLayouts = layout,
+	};
+
 	struct wlr_vk_descriptor_pool *pool;
 	wl_list_for_each(pool, pool_list, link) {
 		if (pool->free > 0) {
-			found = true;
-			break;
+			ds_info.descriptorPool = pool->pool;
+			res = vkAllocateDescriptorSets(renderer->dev->dev, &ds_info, ds);
+			switch (res) {
+			case VK_ERROR_FRAGMENTED_POOL:
+			case VK_ERROR_OUT_OF_POOL_MEMORY:
+				// Descriptor sets with more than one descriptor can cause us
+				// to run out of pool memory early or lead to fragmentation
+				// that makes the pool unable to service our allocation
+				// request. Try the next pool or allocate a new one.
+				continue;
+			case VK_SUCCESS:
+				--pool->free;
+				return pool;
+			default:
+				wlr_vk_error("vkAllocateDescriptorSets", res);
+				return NULL;
+			}
 		}
 	}
 
-	if (!found) { // create new pool
 	pool = calloc(1, sizeof(*pool));
 	if (!pool) {
 		wlr_log_errno(WLR_ERROR, "allocation failed");
@@ -111,14 +130,8 @@ static struct wlr_vk_descriptor_pool *alloc_ds(
 
 	*last_pool_size = count;
 	wl_list_insert(pool_list, &pool->link);
-	}
 
-	VkDescriptorSetAllocateInfo ds_info = {
-		.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO,
-		.descriptorSetCount = 1,
-		.pSetLayouts = layout,
-		.descriptorPool = pool->pool,
-	};
+	ds_info.descriptorPool = pool->pool;
 	res = vkAllocateDescriptorSets(renderer->dev->dev, &ds_info, ds);
 	if (res != VK_SUCCESS) {
 		wlr_vk_error("vkAllocateDescriptorSets", res);
@@ -934,13 +947,11 @@ static struct wlr_vk_render_buffer *get_render_buffer(
 	return buffer;
 }
 
-bool vulkan_sync_foreign_texture(struct wlr_vk_texture *texture,
-		int sync_file_fds[static WLR_DMABUF_MAX_PLANES]) {
-	struct wlr_vk_renderer *renderer = texture->renderer;
-
+static bool buffer_export_sync_file(struct wlr_vk_renderer *renderer, struct wlr_buffer *buffer,
+		uint32_t flags, int sync_file_fds[static WLR_DMABUF_MAX_PLANES]) {
 	struct wlr_dmabuf_attributes dmabuf = {0};
-	if (!wlr_buffer_get_dmabuf(texture->buffer, &dmabuf)) {
-		wlr_log(WLR_ERROR, "Failed to get texture DMA-BUF");
+	if (!wlr_buffer_get_dmabuf(buffer, &dmabuf)) {
+		wlr_log(WLR_ERROR, "wlr_buffer_get_dmabuf() failed");
 		return false;
 	}
 
@@ -950,7 +961,7 @@ bool vulkan_sync_foreign_texture(struct wlr_vk_texture *texture,
 		for (int i = 0; i < dmabuf.n_planes; i++) {
 			struct pollfd pollfd = {
 				.fd = dmabuf.fd[i],
-				.events = POLLIN,
+				.events = (flags & DMA_BUF_SYNC_WRITE) ? POLLOUT : POLLIN,
 			};
 			int timeout_ms = 1000;
 			int ret = poll(&pollfd, 1, timeout_ms);
@@ -967,7 +978,7 @@ bool vulkan_sync_foreign_texture(struct wlr_vk_texture *texture,
 	}
 
 	for (int i = 0; i < dmabuf.n_planes; i++) {
-		int sync_file_fd = dmabuf_export_sync_file(dmabuf.fd[i], DMA_BUF_SYNC_READ);
+		int sync_file_fd = dmabuf_export_sync_file(dmabuf.fd[i], flags);
 		if (sync_file_fd < 0) {
 			wlr_log(WLR_ERROR, "Failed to extract DMA-BUF fence");
 			return false;
@@ -979,12 +990,40 @@ bool vulkan_sync_foreign_texture(struct wlr_vk_texture *texture,
 	return true;
 }
 
-bool vulkan_sync_render_buffer(struct wlr_vk_renderer *renderer,
-		struct wlr_vk_render_buffer *render_buffer, struct wlr_vk_command_buffer *cb,
-		struct wlr_drm_syncobj_timeline *signal_timeline, uint64_t signal_point) {
-	VkResult res;
+bool vulkan_sync_foreign_texture_acquire(struct wlr_vk_texture *texture,
+		int sync_file_fds[static WLR_DMABUF_MAX_PLANES]) {
+	return buffer_export_sync_file(texture->renderer, texture->buffer, DMA_BUF_SYNC_READ, sync_file_fds);
+}
 
-	if (!renderer->dev->implicit_sync_interop && signal_timeline == NULL) {
+bool vulkan_sync_render_buffer_acquire(struct wlr_vk_render_buffer *render_buffer,
+		int sync_file_fds[static WLR_DMABUF_MAX_PLANES]) {
+	return buffer_export_sync_file(render_buffer->renderer, render_buffer->wlr_buffer,
+		DMA_BUF_SYNC_WRITE, sync_file_fds);
+}
+
+static bool buffer_import_sync_file(struct wlr_buffer *buffer, uint32_t flags, int sync_file_fd) {
+	struct wlr_dmabuf_attributes dmabuf = {0};
+	if (!wlr_buffer_get_dmabuf(buffer, &dmabuf)) {
+		wlr_log(WLR_ERROR, "wlr_buffer_get_dmabuf() failed");
+		return false;
+	}
+
+	for (int i = 0; i < dmabuf.n_planes; i++) {
+		if (!dmabuf_import_sync_file(dmabuf.fd[i], flags,
+				sync_file_fd)) {
+			return false;
+		}
+	}
+
+	return true;
+}
+
+bool vulkan_sync_render_pass_release(struct wlr_vk_renderer *renderer,
+		struct wlr_vk_render_pass *pass) {
+	VkResult res;
+	struct wlr_vk_command_buffer *cb = pass->command_buffer;
+
+	if (!renderer->dev->implicit_sync_interop && pass->signal_timeline == NULL) {
 		// We have no choice but to block here sadly
 		return vulkan_wait_command_buffer(cb, renderer);
 	}
@@ -1006,21 +1045,19 @@ bool vulkan_sync_render_buffer(struct wlr_vk_renderer *renderer,
 	}
 
 	bool ok = false;
-	if (signal_timeline != NULL) {
-		if (!wlr_drm_syncobj_timeline_import_sync_file(signal_timeline,
-				signal_point, sync_file_fd)) {
+	if (pass->signal_timeline != NULL) {
+		if (!wlr_drm_syncobj_timeline_import_sync_file(pass->signal_timeline,
+				pass->signal_point, sync_file_fd)) {
 			goto out;
 		}
 	} else {
-		struct wlr_dmabuf_attributes dmabuf = {0};
-		if (!wlr_buffer_get_dmabuf(render_buffer->wlr_buffer, &dmabuf)) {
-			wlr_log(WLR_ERROR, "wlr_buffer_get_dmabuf failed");
+		if (!buffer_import_sync_file(pass->render_buffer->wlr_buffer, DMA_BUF_SYNC_WRITE, sync_file_fd)) {
 			goto out;
 		}
 
-		for (int i = 0; i < dmabuf.n_planes; i++) {
-			if (!dmabuf_import_sync_file(dmabuf.fd[i], DMA_BUF_SYNC_WRITE,
-					sync_file_fd)) {
+		struct wlr_vk_render_pass_texture *pass_texture;
+		wl_array_for_each(pass_texture, &pass->textures) {
+			if (!buffer_import_sync_file(pass_texture->texture->buffer, DMA_BUF_SYNC_READ, sync_file_fd)) {
 				goto out;
 			}
 		}

tinywl/Makefile

@@ -19,7 +19,7 @@ xdg-shell-protocol.h:
 tinywl.o: tinywl.c xdg-shell-protocol.h
 	$(CC) -c $< -g -Werror $(CFLAGS) -I. -DWLR_USE_UNSTABLE -o $@
 tinywl: tinywl.o
-	$(CC) $^ $> -g -Werror $(CFLAGS) $(LDFLAGS) $(LIBS) -o $@
+	$(CC) $^ -g -Werror $(CFLAGS) $(LDFLAGS) $(LIBS) -o $@
 
 clean:
 	rm -f tinywl tinywl.o xdg-shell-protocol.h

types/ext_image_capture_source_v1/output.c

@@ -107,6 +107,10 @@ static const struct wlr_ext_image_capture_source_v1_interface output_source_impl
 static void source_update_buffer_constraints(struct wlr_ext_output_image_capture_source_v1 *source) {
 	struct wlr_output *output = source->output;
 
+	if (!output->enabled) {
+		return;
+	}
+
 	if (!wlr_output_configure_primary_swapchain(output, NULL, &output->swapchain)) {
 		return;
 	}
@@ -120,7 +124,8 @@ static void source_handle_output_commit(struct wl_listener *listener,
 	struct wlr_ext_output_image_capture_source_v1 *source = wl_container_of(listener, source, output_commit);
 	struct wlr_output_event_commit *event = data;
 
-	if (event->state->committed & (WLR_OUTPUT_STATE_MODE | WLR_OUTPUT_STATE_RENDER_FORMAT)) {
+	if (event->state->committed & (WLR_OUTPUT_STATE_MODE |
+			WLR_OUTPUT_STATE_RENDER_FORMAT | WLR_OUTPUT_STATE_ENABLED)) {
 		source_update_buffer_constraints(source);
 	}
 
@@ -283,7 +288,8 @@ static void output_cursor_source_copy_frame(struct wlr_ext_image_capture_source_
 	struct timespec now;
 	clock_gettime(CLOCK_MONOTONIC, &now);
 
-	wlr_ext_image_copy_capture_frame_v1_ready(frame, WL_OUTPUT_TRANSFORM_NORMAL, &now);
+	wlr_ext_image_copy_capture_frame_v1_ready(frame,
+			cursor_source->output->transform, &now);
 }
 
 static const struct wlr_ext_image_capture_source_v1_interface output_cursor_source_impl = {

types/output/cursor.c

@@ -288,18 +288,10 @@ static struct wlr_buffer *render_cursor_buffer(struct wlr_output_cursor *cursor)
 static bool output_cursor_attempt_hardware(struct wlr_output_cursor *cursor) {
 	struct wlr_output *output = cursor->output;
 
-	if (!output->impl->set_cursor ||
-			output->software_cursor_locks > 0) {
+	if (!output->impl->set_cursor || output->software_cursor_locks > 0) {
 		return false;
 	}
 
-	struct wlr_output_cursor *hwcur = output->hardware_cursor;
-	if (hwcur != NULL && hwcur != cursor) {
-		return false;
-	}
-
-	output->hardware_cursor = NULL;
-
 	struct wlr_texture *texture = cursor->texture;
 
 	// If the cursor was hidden or was a software cursor, the hardware
@@ -424,12 +416,15 @@ bool output_cursor_set_texture(struct wlr_output_cursor *cursor,
 		wl_list_init(&cursor->renderer_destroy.link);
 	}
 
+	if (output->hardware_cursor == NULL || output->hardware_cursor == cursor) {
 		if (output_cursor_attempt_hardware(cursor)) {
 			return true;
 		}
 
 		wlr_log(WLR_DEBUG, "Falling back to software cursor on output '%s'", output->name);
 		output_disable_hardware_cursor(output);
+	}
+
 	output_cursor_damage_whole(cursor);
 	return true;
 }

types/output/output.c

@@ -745,7 +745,9 @@ void output_apply_commit(struct wlr_output *output, const struct wlr_output_stat
 	}
 
 	output_apply_state(output, state);
+}
 
+void output_send_commit_event(struct wlr_output *output, const struct wlr_output_state *state) {
 	struct timespec now;
 	clock_gettime(CLOCK_MONOTONIC, &now);
 	struct wlr_output_event_commit event = {
@@ -787,6 +789,7 @@ bool wlr_output_commit_state(struct wlr_output *output,
 	}
 
 	output_apply_commit(output, &pending);
+	output_send_commit_event(output, &pending);
 
 	if (new_back_buffer) {
 		wlr_buffer_unlock(pending.buffer);

types/scene/surface.c

@@ -96,9 +96,12 @@ static void scene_buffer_unmark_client_buffer(struct wlr_scene_buffer *scene_buf
 		return;
 	}
 
-	assert(buffer->n_ignore_locks > 0);
+	// If the buffer was a single-pixel buffer where we cached its color
+	// then it won't have been marked as damage-allowed.
+	if (buffer->n_ignore_locks > 0) {
 		buffer->n_ignore_locks--;
 	}
+}
 
 static int min(int a, int b) {
 	return a < b ? a : b;
@@ -165,7 +168,21 @@ static void surface_reconfigure(struct wlr_scene_surface *scene_surface) {
 	scene_buffer_unmark_client_buffer(scene_buffer);
 
 	if (surface->buffer) {
+		// If we've cached the buffer's single-pixel buffer color
+		// then any in-place updates to the texture wouldn't be
+		// reflected in rendering. So only allow in-place texture
+		// updates if it's not a single pixel buffer.  Note that we
+		// can't use the cached scene_buffer->is_single_pixel_buffer
+		// because that's only set later on.
+		bool is_single_pixel_buffer = false;
+		if (surface->buffer->source != NULL) {
+			struct wlr_single_pixel_buffer_v1 *spb =
+				wlr_single_pixel_buffer_v1_try_from_buffer(surface->buffer->source);
+			is_single_pixel_buffer = spb != NULL;
+		}
+		if (!is_single_pixel_buffer) {
 			client_buffer_mark_next_can_damage(surface->buffer);
+		}
 
 		struct wlr_linux_drm_syncobj_surface_v1_state *syncobj_surface_state =
 			wlr_linux_drm_syncobj_v1_get_surface_state(surface);
@@ -186,7 +203,8 @@ static void surface_reconfigure(struct wlr_scene_surface *scene_surface) {
 			&surface->buffer->base, &options);
 
 		if (syncobj_surface_state != NULL &&
-				(surface->current.committed & WLR_SURFACE_STATE_BUFFER)) {
+				(surface->current.committed & WLR_SURFACE_STATE_BUFFER) &&
+				surface->buffer->source != NULL) {
 			wlr_linux_drm_syncobj_v1_state_signal_release_with_buffer(syncobj_surface_state,
 				surface->buffer->source);
 		}

types/wlr_cursor.c

@@ -530,10 +530,6 @@ static void cursor_output_cursor_update(struct wlr_cursor_output_cursor *output_
 	struct wlr_cursor *cur = output_cursor->cursor;
 	struct wlr_output *output = output_cursor->output_cursor->output;
 
-	if (!output->enabled) {
-		return;
-	}
-
 	cursor_output_cursor_reset_image(output_cursor);
 
 	if (cur->state->buffer != NULL) {
@@ -589,10 +585,11 @@ static void cursor_output_cursor_update(struct wlr_cursor_output_cursor *output_
 			&src_box, dst_width, dst_height, surface->current.transform,
 			hotspot_x, hotspot_y, wait_timeline, wait_point);
 
-		if (syncobj_surface_state != NULL && surface->buffer != NULL &&
+		if (syncobj_surface_state != NULL &&
+				surface->buffer != NULL && surface->buffer->source != NULL &&
 				(surface->current.committed & WLR_SURFACE_STATE_BUFFER)) {
 			wlr_linux_drm_syncobj_v1_state_signal_release_with_buffer(syncobj_surface_state,
-				&surface->buffer->base);
+				surface->buffer->source);
 		}
 
 		if (output_cursor->output_cursor->visible) {

types/wlr_drm_lease_v1.c

@@ -68,10 +68,6 @@ static void drm_lease_connector_v1_destroy(
 
 	wlr_log(WLR_DEBUG, "Destroying connector %s", connector->output->name);
 
-	if (connector->active_lease) {
-		wlr_drm_lease_terminate(connector->active_lease->drm_lease);
-	}
-
 	struct wl_resource *resource, *tmp;
 	wl_resource_for_each_safe(resource, tmp, &connector->resources) {
 		wp_drm_lease_connector_v1_send_withdrawn(resource);
@@ -140,14 +136,9 @@ static void lease_handle_destroy(struct wl_listener *listener, void *data) {
 
 	wl_list_remove(&lease->destroy.link);
 
-	for (size_t i = 0; i < lease->n_connectors; ++i) {
-		lease->connectors[i]->active_lease = NULL;
-	}
-
 	wl_list_remove(&lease->link);
 	wl_resource_set_user_data(lease->resource, NULL);
 
-	free(lease->connectors);
 	free(lease);
 }
 
@@ -180,20 +171,6 @@ struct wlr_drm_lease_v1 *wlr_drm_lease_request_v1_grant(
 		return NULL;
 	}
 
-	lease->connectors = calloc(request->n_connectors, sizeof(*lease->connectors));
-	if (!lease->connectors) {
-		wlr_log(WLR_ERROR, "Failed to allocate lease connectors list");
-		close(fd);
-		wp_drm_lease_v1_send_finished(lease->resource);
-		free(lease);
-		return NULL;
-	}
-	lease->n_connectors = request->n_connectors;
-	for (size_t i = 0; i < request->n_connectors; ++i) {
-		lease->connectors[i] = request->connectors[i];
-		lease->connectors[i]->active_lease = lease;
-	}
-
 	lease->destroy.notify = lease_handle_destroy;
 	wl_signal_add(&lease->drm_lease->events.destroy, &lease->destroy);
 
@@ -338,16 +315,6 @@ static void drm_lease_request_v1_handle_submit(
 		return;
 	}
 
-	for (size_t i = 0; i < request->n_connectors; ++i) {
-		struct wlr_drm_lease_connector_v1 *conn = request->connectors[i];
-		if (conn->active_lease) {
-			wlr_log(WLR_ERROR, "Failed to create lease, connector %s has "
-					"already been leased", conn->output->name);
-			wp_drm_lease_v1_send_finished(lease_resource);
-			return;
-		}
-	}
-
 	request->lease_resource = lease_resource;
 
 	wl_signal_emit_mutable(&request->device->manager->events.request,
@@ -440,10 +407,6 @@ static struct wp_drm_lease_connector_v1_interface lease_connector_impl = {
 static void drm_lease_connector_v1_send_to_client(
 		struct wlr_drm_lease_connector_v1 *connector,
 		struct wl_resource *resource) {
-	if (connector->active_lease) {
-		return;
-	}
-
 	struct wl_client *client = wl_resource_get_client(resource);
 
 	uint32_t version = wl_resource_get_version(resource);
@@ -490,10 +453,12 @@ static void lease_device_bind(struct wl_client *wl_client, void *data,
 	if (!device) {
 		wlr_log(WLR_DEBUG, "Failed to bind lease device, "
 				"the wlr_drm_lease_device_v1 has been destroyed");
+		wl_list_init(wl_resource_get_link(device_resource));
 		return;
 	}
 
 	wl_resource_set_user_data(device_resource, device);
+	wl_list_insert(&device->resources, wl_resource_get_link(device_resource));
 
 	int fd = wlr_drm_backend_get_non_master_fd(device->backend);
 	if (fd < 0) {
@@ -505,8 +470,6 @@ static void lease_device_bind(struct wl_client *wl_client, void *data,
 	wp_drm_lease_device_v1_send_drm_fd(device_resource, fd);
 	close(fd);
 
-	wl_list_insert(&device->resources, wl_resource_get_link(device_resource));
-
 	struct wlr_drm_lease_connector_v1 *connector;
 	wl_list_for_each(connector, &device->connectors, link) {
 		drm_lease_connector_v1_send_to_client(connector, device_resource);

types/wlr_linux_drm_syncobj_v1.c

@@ -26,7 +26,7 @@ struct wlr_linux_drm_syncobj_surface_v1 {
 };
 
 struct wlr_linux_drm_syncobj_surface_v1_commit {
-	struct wlr_linux_drm_syncobj_surface_v1 *surface;
+	struct wlr_surface *surface;
 	struct wlr_drm_syncobj_timeline_waiter waiter;
 	uint32_t cached_seq;
 
@@ -192,7 +192,7 @@ static struct wlr_linux_drm_syncobj_surface_v1 *surface_from_wlr_surface(
 }
 
 static void surface_commit_destroy(struct wlr_linux_drm_syncobj_surface_v1_commit *commit) {
-	wlr_surface_unlock_cached(commit->surface->surface, commit->cached_seq);
+	wlr_surface_unlock_cached(commit->surface, commit->cached_seq);
 	wl_list_remove(&commit->surface_destroy.link);
 	wlr_drm_syncobj_timeline_waiter_finish(&commit->waiter);
 	free(commit);
@@ -237,7 +237,7 @@ static bool lock_surface_commit(struct wlr_linux_drm_syncobj_surface_v1 *surface
 		return false;
 	}
 
-	commit->surface = surface;
+	commit->surface = surface->surface;
 	commit->cached_seq = wlr_surface_lock_pending(surface->surface);
 
 	commit->surface_destroy.notify = surface_commit_handle_surface_destroy;

types/wlr_transient_seat_v1.c

@@ -64,6 +64,7 @@ static void manager_create_transient_seat(struct wl_client *client,
 	wl_resource_set_implementation(seat->resource, &transient_seat_impl,
 			seat, transient_seat_handle_resource_destroy);
 
+	wl_list_init(&seat->seat_destroy.link);
 	wl_signal_emit_mutable(&manager->events.create_seat, seat);
 
 	return;

types/wlr_virtual_pointer_v1.c

@@ -134,8 +134,11 @@ static void virtual_pointer_axis_source(struct wl_client *client,
 	if (pointer == NULL) {
 		return;
 	}
-	pointer->axis_event[pointer->axis].pointer = &pointer->pointer;
-	pointer->axis_event[pointer->axis].source = source;
+	int n_axis = sizeof(pointer->axis_event) / sizeof(pointer->axis_event[0]);
+	for (int i = 0; i < n_axis; i++) {
+		pointer->axis_event[i].pointer = &pointer->pointer;
+		pointer->axis_event[i].source = source;
+	}
 }
 
 static void virtual_pointer_axis_stop(struct wl_client *client,

util/box.c

@@ -19,16 +19,15 @@ void wlr_box_closest_point(const struct wlr_box *box, double x, double y,
 	//
 	// In order to be consistent with e.g. wlr_box_contains_point(),
 	// this function returns a point inside the bottom and right edges
-	// of the box by at least 1/65536 of a unit (pixel). 1/65536 is
+	// of the box by at least 1/256 of a unit (pixel). 1/256 is
 	// small enough to avoid a "dead zone" with high-resolution mice
-	// but large enough to avoid rounding to zero (due to loss of
-	// significant digits) in simple floating-point calculations.
+	// but large enough to avoid rounding to zero in wl_fixed_from_double().
 
 	// find the closest x point
 	if (x < box->x) {
 		*dest_x = box->x;
-	} else if (x > box->x + box->width - 1/65536.0) {
-		*dest_x = box->x + box->width - 1/65536.0;
+	} else if (x > box->x + box->width - 1/256.0) {
+		*dest_x = box->x + box->width - 1/256.0;
 	} else {
 		*dest_x = x;
 	}
@@ -36,8 +35,8 @@ void wlr_box_closest_point(const struct wlr_box *box, double x, double y,
 	// find closest y point
 	if (y < box->y) {
 		*dest_y = box->y;
-	} else if (y > box->y + box->height - 1/65536.0) {
-		*dest_y = box->y + box->height - 1/65536.0;
+	} else if (y > box->y + box->height - 1/256.0) {
+		*dest_y = box->y + box->height - 1/256.0;
 	} else {
 		*dest_y = y;
 	}
@@ -67,7 +66,12 @@ bool wlr_box_intersection(struct wlr_box *dest, const struct wlr_box *box_a,
 	dest->width = x2 - x1;
 	dest->height = y2 - y1;
 
-	return !wlr_box_empty(dest);
+	if (wlr_box_empty(dest)) {
+		*dest = (struct wlr_box){0};
+		return false;
+	}
+
+	return true;
 }
 
 bool wlr_box_contains_point(const struct wlr_box *box, double x, double y) {

xcursor/xcursor.c

@@ -602,7 +602,7 @@ xcursor_build_fullname(const char *dir, const char *subdir, const char *file)
 static const char *
 xcursor_next_path(const char *path)
 {
-	char *colon = strchr(path, ':');
+	const char *colon = strchr(path, ':');
 
 	if (!colon)
 		return NULL;

xwayland/selection/outgoing.c

@@ -283,6 +283,8 @@ static bool xwm_selection_send_data(struct wlr_xwm_selection *selection,
 	int p[2];
 	if (pipe(p) == -1) {
 		wlr_log_errno(WLR_ERROR, "pipe() failed");
+		wl_array_release(&transfer->source_data);
+		free(transfer);
 		return false;
 	}
 

xwayland/xwayland.c

@@ -42,6 +42,9 @@ static void handle_server_start(struct wl_listener *listener, void *data) {
 static void xwayland_mark_ready(struct wlr_xwayland *xwayland) {
 	assert(xwayland->server->wm_fd[0] >= 0);
 	xwayland->xwm = xwm_create(xwayland, xwayland->server->wm_fd[0]);
+	// xwm_create takes ownership of wm_fd[0] under all circumstances
+	xwayland->server->wm_fd[0] = -1;
+
 	if (!xwayland->xwm) {
 		return;
 	}
@@ -69,6 +72,11 @@ static void handle_shell_destroy(struct wl_listener *listener, void *data) {
 	struct wlr_xwayland *xwayland =
 		wl_container_of(listener, xwayland, shell_destroy);
 	xwayland->shell_v1 = NULL;
+	wl_list_remove(&xwayland->shell_destroy.link);
+	// Will remove this list in handle_shell_destroy().
+	// This ensures the link is always initialized and
+	// avoids the need to keep check conditions in sync.
+	wl_list_init(&xwayland->shell_destroy.link);
 }
 
 void wlr_xwayland_destroy(struct wlr_xwayland *xwayland) {

xwayland/xwm.c

@@ -2470,6 +2470,7 @@ void xwm_set_cursor(struct wlr_xwm *xwm, const uint8_t *pixels, uint32_t stride,
 struct wlr_xwm *xwm_create(struct wlr_xwayland *xwayland, int wm_fd) {
 	struct wlr_xwm *xwm = calloc(1, sizeof(*xwm));
 	if (xwm == NULL) {
+		close(wm_fd);
 		return NULL;
 	}
 
@@ -2484,11 +2485,13 @@ struct wlr_xwm *xwm_create(struct wlr_xwayland *xwayland, int wm_fd) {
 
 	xwm->ping_timeout = 10000;
 
+	// xcb_connect_to_fd takes ownership of the FD regardless of success/failure
 	xwm->xcb_conn = xcb_connect_to_fd(wm_fd, NULL);
 
 	int rc = xcb_connection_has_error(xwm->xcb_conn);
 	if (rc) {
 		wlr_log(WLR_ERROR, "xcb connect failed: %d", rc);
+		xcb_disconnect(xwm->xcb_conn);
 		free(xwm);
 		return NULL;
 	}