Merge branch 'master' into sort-workspaces

include/sway/input/input-manager.h

@@ -4,6 +4,7 @@
 #include <wlr/types/wlr_keyboard_shortcuts_inhibit_v1.h>
 #include <wlr/types/wlr_virtual_keyboard_v1.h>
 #include <wlr/types/wlr_virtual_pointer_v1.h>
+#include <wlr/types/wlr_transient_seat_v1.h>
 #include "sway/server.h"
 #include "sway/config.h"
 #include "list.h"
@@ -24,13 +25,15 @@ struct sway_input_manager {
 	struct wlr_virtual_keyboard_manager_v1 *virtual_keyboard;
 	struct wlr_virtual_pointer_manager_v1 *virtual_pointer;
 	struct wlr_pointer_gestures_v1 *pointer_gestures;
+	struct wlr_transient_seat_manager_v1 *transient_seat_manager;
 
 	struct wl_listener new_input;
 	struct wl_listener inhibit_activate;
 	struct wl_listener inhibit_deactivate;
 	struct wl_listener keyboard_shortcuts_inhibit_new_inhibitor;
 	struct wl_listener virtual_keyboard_new;
 	struct wl_listener virtual_pointer_new;
+	struct wl_listener transient_seat_create;
 };
 
 struct sway_input_manager *input_manager_create(struct sway_server *server);

include/sway/input/seat.h

@@ -124,6 +124,7 @@ struct sway_seat {
 	struct wl_listener start_drag;
 	struct wl_listener request_set_selection;
 	struct wl_listener request_set_primary_selection;
+	struct wl_listener destroy;
 
 	struct wl_list devices; // sway_seat_device::link
 	struct wl_list keyboard_groups; // sway_keyboard_group::link

include/sway/server.h

@@ -46,6 +46,7 @@ struct sway_server {
 
 	struct wl_listener new_output;
 	struct wl_listener output_layout_change;
+	struct wl_listener renderer_lost;
 
 	struct wlr_idle_notifier_v1 *idle_notifier_v1;
 	struct sway_idle_inhibit_manager_v1 idle_inhibit_manager_v1;

sway/desktop/output.c

@@ -183,7 +183,15 @@ static void send_frame_done_iterator(struct wlr_scene_buffer *buffer,
 	}
 }
 
-static enum wlr_scale_filter_mode get_scale_filter(struct sway_output *output) {
+static enum wlr_scale_filter_mode get_scale_filter(struct sway_output *output,
+		struct wlr_scene_buffer *buffer) {
+	// if we are scaling down, we should always choose linear
+	if (buffer->dst_width > 0 && buffer->dst_height > 0 && (
+			buffer->dst_width < buffer->buffer_width ||
+			buffer->dst_height < buffer->buffer_height)) {
+		return WLR_SCALE_FILTER_BILINEAR;
+	}
+
 	switch (output->scale_filter) {
 	case SCALE_FILTER_LINEAR:
 		return WLR_SCALE_FILTER_BILINEAR;
@@ -212,7 +220,7 @@ static void output_configure_scene(struct sway_output *output,
 		// hack: don't call the scene setter because that will damage all outputs
 		// We don't want to damage outputs that aren't our current output that
 		// we're configuring
-		buffer->filter_mode = get_scale_filter(output);
+		buffer->filter_mode = get_scale_filter(output, buffer);
 
 		wlr_scene_buffer_set_opacity(buffer, opacity);
 	} else if (node->type == WLR_SCENE_NODE_TREE) {

sway/input/input-manager.c

@@ -2,7 +2,9 @@
 #include <stdio.h>
 #include <string.h>
 #include <math.h>
+#include <assert.h>
 #include <wlr/config.h>
+#include <wlr/backend/libinput.h>
 #include <wlr/types/wlr_cursor.h>
 #include <wlr/types/wlr_keyboard_group.h>
 #include <wlr/types/wlr_virtual_keyboard_v1.h>
@@ -431,6 +433,20 @@ void handle_virtual_pointer(struct wl_listener *listener, void *data) {
 	}
 }
 
+static void handle_transient_seat_manager_create_seat(
+		struct wl_listener *listener, void *data) {
+	struct wlr_transient_seat_v1 *transient_seat = data;
+	static uint64_t i;
+	char name[256];
+	snprintf(name, sizeof(name), "transient-%"PRIx64, i++);
+	struct sway_seat *seat = seat_create(name);
+	if (seat && seat->wlr_seat) {
+		wlr_transient_seat_v1_ready(transient_seat, seat->wlr_seat);
+	} else {
+		wlr_transient_seat_v1_deny(transient_seat);
+	}
+}
+
 struct sway_input_manager *input_manager_create(struct sway_server *server) {
 	struct sway_input_manager *input =
 		calloc(1, sizeof(struct sway_input_manager));
@@ -466,6 +482,15 @@ struct sway_input_manager *input_manager_create(struct sway_server *server) {
 
 	input->pointer_gestures = wlr_pointer_gestures_v1_create(server->wl_display);
 
+	input->transient_seat_manager =
+		wlr_transient_seat_manager_v1_create(server->wl_display);
+	assert(input->transient_seat_manager);
+
+	input->transient_seat_create.notify =
+		handle_transient_seat_manager_create_seat;
+	wl_signal_add(&input->transient_seat_manager->events.create_seat,
+			&input->transient_seat_create);
+
 	return input;
 }
 

sway/input/seat.c

@@ -67,6 +67,12 @@ static void seat_node_destroy(struct sway_seat_node *seat_node) {
 }
 
 void seat_destroy(struct sway_seat *seat) {
+	wlr_seat_destroy(seat->wlr_seat);
+}
+
+static void handle_seat_destroy(struct wl_listener *listener, void *data) {
+	struct sway_seat *seat = wl_container_of(listener, seat, destroy);
+
 	if (seat == config->handler_context.seat) {
 		config->handler_context.seat = input_manager_get_default_seat();
 	}
@@ -87,7 +93,7 @@ void seat_destroy(struct sway_seat *seat) {
 	wl_list_remove(&seat->request_set_selection.link);
 	wl_list_remove(&seat->request_set_primary_selection.link);
 	wl_list_remove(&seat->link);
-	wlr_seat_destroy(seat->wlr_seat);
+	wl_list_remove(&seat->destroy.link);
 	for (int i = 0; i < seat->deferred_bindings->length; i++) {
 		free_sway_binding(seat->deferred_bindings->items[i]);
 	}
@@ -534,6 +540,9 @@ struct sway_seat *seat_create(const char *seat_name) {
 		return NULL;
 	}
 
+	seat->destroy.notify = handle_seat_destroy;
+	wl_signal_add(&seat->wlr_seat->events.destroy, &seat->destroy);
+
 	seat->idle_inhibit_sources = seat->idle_wake_sources =
 		IDLE_SOURCE_KEYBOARD |
 		IDLE_SOURCE_POINTER |

sway/server.c

@@ -112,7 +112,8 @@ static bool is_privileged(const struct wl_global *global) {
 		global == server.session_lock.manager->global ||
 		global == server.input->keyboard_shortcuts_inhibit->global ||
 		global == server.input->virtual_keyboard->global ||
-		global == server.input->virtual_pointer->global;
+		global == server.input->virtual_pointer->global ||
+		global == server.input->transient_seat_manager->global;
 }
 
 static bool filter_global(const struct wl_client *client,
@@ -172,6 +173,45 @@ static void detect_proprietary(struct wlr_backend *backend, void *data) {
 	drmFreeVersion(version);
 }
 
+static void handle_renderer_lost(struct wl_listener *listener, void *data) {
+	struct sway_server *server = wl_container_of(listener, server, renderer_lost);
+
+	sway_log(SWAY_INFO, "Re-creating renderer after GPU reset");
+
+	struct wlr_renderer *renderer = wlr_renderer_autocreate(server->backend);
+	if (renderer == NULL) {
+		sway_log(SWAY_ERROR, "Unable to create renderer");
+		return;
+	}
+
+	struct wlr_allocator *allocator =
+		wlr_allocator_autocreate(server->backend, renderer);
+	if (allocator == NULL) {
+		sway_log(SWAY_ERROR, "Unable to create allocator");
+		wlr_renderer_destroy(renderer);
+		return;
+	}
+
+	struct wlr_renderer *old_renderer = server->renderer;
+	struct wlr_allocator *old_allocator = server->allocator;
+	server->renderer = renderer;
+	server->allocator = allocator;
+
+	wl_list_remove(&server->renderer_lost.link);
+	wl_signal_add(&server->renderer->events.lost, &server->renderer_lost);
+
+	wlr_compositor_set_renderer(server->compositor, renderer);
+
+	for (int i = 0; i < root->outputs->length; ++i) {
+		struct sway_output *output = root->outputs->items[i];
+		wlr_output_init_render(output->wlr_output,
+			server->allocator, server->renderer);
+	}
+
+	wlr_allocator_destroy(old_allocator);
+	wlr_renderer_destroy(old_renderer);
+}
+
 bool server_init(struct sway_server *server) {
 	sway_log(SWAY_DEBUG, "Initializing Wayland server");
 	server->wl_display = wl_display_create();
@@ -195,6 +235,9 @@ bool server_init(struct sway_server *server) {
 		return false;
 	}
 
+	server->renderer_lost.notify = handle_renderer_lost;
+	wl_signal_add(&server->renderer->events.lost, &server->renderer_lost);
+
 	wlr_renderer_init_wl_shm(server->renderer, server->wl_display);
 
 	if (wlr_renderer_get_dmabuf_texture_formats(server->renderer) != NULL) {
@@ -399,6 +442,7 @@ void server_fini(struct sway_server *server) {
 	wlr_xwayland_destroy(server->xwayland.wlr_xwayland);
 #endif
 	wl_display_destroy_clients(server->wl_display);
+	wlr_backend_destroy(server->backend);
 	wl_display_destroy(server->wl_display);
 	list_free(server->dirty_nodes);
 }

sway/sway-output.5.scd

@@ -72,13 +72,11 @@ must be separated by one space. For example:
 
 *output* <name> scale <factor>
 	Scales the specified output by the specified scale _factor_. An integer is
-	recommended, but fractional values are also supported. If a fractional
-	value are specified, be warned that it is not possible to faithfully
-	represent the contents of your windows - they will be rendered at the next
-	highest integer scale factor and downscaled. You may be better served by
-	setting an integer scale factor and adjusting the font size of your
-	applications to taste. HiDPI isn't supported with Xwayland clients (windows
-	will blur).
+	recommended, but fractional values are also supported. You may be better
+	served by setting an integer scale factor and adjusting the font size of
+	your applications to taste. HiDPI isn't supported with Xwayland clients
+	(windows will blur). A fractional scale may be slightly adjusted to match
+	requirements of the protocol.
 
 *output* <name> scale_filter linear|nearest|smart
 	Indicates how to scale application buffers that are rendered at a scale