2 * Copyright © 2010-2011 Intel Corporation
3 * Copyright © 2008-2011 Kristian Høgsberg
4 * Copyright © 2012 Collabora, Ltd.
6 * Permission to use, copy, modify, distribute, and sell this software and
7 * its documentation for any purpose is hereby granted without fee, provided
8 * that the above copyright notice appear in all copies and that both that
9 * copyright notice and this permission notice appear in supporting
10 * documentation, and that the name of the copyright holders not be used in
11 * advertising or publicity pertaining to distribution of the software
12 * without specific, written prior permission. The copyright holders make
13 * no representations about the suitability of this software for any
14 * purpose. It is provided "as is" without express or implied warranty.
16 * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
17 * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
18 * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
19 * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
20 * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
21 * CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
22 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
37 #include <sys/ioctl.h>
40 #include <sys/socket.h>
41 #include <sys/utsname.h>
45 #include <linux/input.h>
53 #define UNW_LOCAL_ONLY
54 #include <libunwind.h>
57 #include <wayland-server.h>
58 #include "compositor.h"
59 #include "../shared/os-compatibility.h"
60 #include "git-version.h"
63 static struct wl_list child_process_list;
64 static struct weston_compositor *segv_compositor;
67 sigchld_handler(int signal_number, void *data)
69 struct weston_process *p;
73 pid = waitpid(-1, &status, WNOHANG);
77 wl_list_for_each(p, &child_process_list, link) {
82 if (&p->link == &child_process_list) {
83 weston_log("unknown child process exited\n");
87 wl_list_remove(&p->link);
88 p->cleanup(p, status);
94 weston_output_transform_init(struct weston_output *output, uint32_t transform);
97 weston_output_switch_mode(struct weston_output *output, struct weston_mode *mode)
99 struct weston_seat *seat;
100 pixman_region32_t old_output_region;
103 if (!output->switch_mode)
106 ret = output->switch_mode(output, mode);
110 pixman_region32_init(&old_output_region);
111 pixman_region32_copy(&old_output_region, &output->region);
113 /* Update output region and transformation matrix */
114 weston_output_transform_init(output, output->transform);
116 pixman_region32_init(&output->previous_damage);
117 pixman_region32_init_rect(&output->region, output->x, output->y,
118 output->width, output->height);
120 weston_output_update_matrix(output);
122 /* If a pointer falls outside the outputs new geometry, move it to its
123 * lower-right corner */
124 wl_list_for_each(seat, &output->compositor->seat_list, link) {
125 struct wl_pointer *pointer = seat->seat.pointer;
131 x = wl_fixed_to_int(pointer->x);
132 y = wl_fixed_to_int(pointer->y);
134 if (!pixman_region32_contains_point(&old_output_region,
136 pixman_region32_contains_point(&output->region,
140 if (x >= output->x + output->width)
141 x = output->x + output->width - 1;
142 if (y >= output->y + output->height)
143 y = output->y + output->height - 1;
145 pointer->x = wl_fixed_from_int(x);
146 pointer->y = wl_fixed_from_int(y);
149 pixman_region32_fini(&old_output_region);
155 weston_watch_process(struct weston_process *process)
157 wl_list_insert(&child_process_list, &process->link);
161 child_client_exec(int sockfd, const char *path)
167 /* do not give our signal mask to the new process */
168 sigfillset(&allsigs);
169 sigprocmask(SIG_UNBLOCK, &allsigs, NULL);
171 /* Launch clients as the user. */
174 /* SOCK_CLOEXEC closes both ends, so we dup the fd to get a
175 * non-CLOEXEC fd to pass through exec. */
176 clientfd = dup(sockfd);
177 if (clientfd == -1) {
178 weston_log("compositor: dup failed: %m\n");
182 snprintf(s, sizeof s, "%d", clientfd);
183 setenv("WAYLAND_SOCKET", s, 1);
185 if (execl(path, path, NULL) < 0)
186 weston_log("compositor: executing '%s' failed: %m\n",
190 WL_EXPORT struct wl_client *
191 weston_client_launch(struct weston_compositor *compositor,
192 struct weston_process *proc,
194 weston_process_cleanup_func_t cleanup)
198 struct wl_client *client;
200 weston_log("launching '%s'\n", path);
202 if (os_socketpair_cloexec(AF_UNIX, SOCK_STREAM, 0, sv) < 0) {
203 weston_log("weston_client_launch: "
204 "socketpair failed while launching '%s': %m\n",
213 weston_log("weston_client_launch: "
214 "fork failed while launching '%s': %m\n", path);
219 child_client_exec(sv[1], path);
225 client = wl_client_create(compositor->wl_display, sv[0]);
228 weston_log("weston_client_launch: "
229 "wl_client_create failed while launching '%s'.\n",
235 proc->cleanup = cleanup;
236 weston_watch_process(proc);
242 surface_handle_pending_buffer_destroy(struct wl_listener *listener, void *data)
244 struct weston_surface *surface =
245 container_of(listener, struct weston_surface,
246 pending.buffer_destroy_listener);
248 surface->pending.buffer = NULL;
252 empty_region(pixman_region32_t *region)
254 pixman_region32_fini(region);
255 pixman_region32_init(region);
259 region_init_infinite(pixman_region32_t *region)
261 pixman_region32_init_rect(region, INT32_MIN, INT32_MIN,
262 UINT32_MAX, UINT32_MAX);
265 WL_EXPORT struct weston_surface *
266 weston_surface_create(struct weston_compositor *compositor)
268 struct weston_surface *surface;
270 surface = calloc(1, sizeof *surface);
274 wl_signal_init(&surface->surface.resource.destroy_signal);
276 wl_list_init(&surface->link);
277 wl_list_init(&surface->layer_link);
279 surface->surface.resource.client = NULL;
281 surface->compositor = compositor;
282 surface->alpha = 1.0;
284 if (compositor->renderer->create_surface(surface) < 0) {
289 surface->buffer_transform = WL_OUTPUT_TRANSFORM_NORMAL;
290 surface->pending.buffer_transform = surface->buffer_transform;
291 surface->output = NULL;
292 surface->plane = &compositor->primary_plane;
293 surface->pending.newly_attached = 0;
295 pixman_region32_init(&surface->damage);
296 pixman_region32_init(&surface->opaque);
297 pixman_region32_init(&surface->clip);
298 region_init_infinite(&surface->input);
299 pixman_region32_init(&surface->transform.opaque);
300 wl_list_init(&surface->frame_callback_list);
302 wl_list_init(&surface->geometry.transformation_list);
303 wl_list_insert(&surface->geometry.transformation_list,
304 &surface->transform.position.link);
305 weston_matrix_init(&surface->transform.position.matrix);
306 wl_list_init(&surface->geometry.child_list);
307 pixman_region32_init(&surface->transform.boundingbox);
308 surface->transform.dirty = 1;
310 surface->pending.buffer_destroy_listener.notify =
311 surface_handle_pending_buffer_destroy;
312 pixman_region32_init(&surface->pending.damage);
313 pixman_region32_init(&surface->pending.opaque);
314 region_init_infinite(&surface->pending.input);
315 wl_list_init(&surface->pending.frame_callback_list);
321 weston_surface_set_color(struct weston_surface *surface,
322 float red, float green, float blue, float alpha)
324 surface->compositor->renderer->surface_set_color(surface, red, green, blue, alpha);
328 weston_surface_to_global_float(struct weston_surface *surface,
329 float sx, float sy, float *x, float *y)
331 if (surface->transform.enabled) {
332 struct weston_vector v = { { sx, sy, 0.0f, 1.0f } };
334 weston_matrix_transform(&surface->transform.matrix, &v);
336 if (fabsf(v.f[3]) < 1e-6) {
337 weston_log("warning: numerical instability in "
338 "%s(), divisor = %g\n", __func__,
345 *x = v.f[0] / v.f[3];
346 *y = v.f[1] / v.f[3];
348 *x = sx + surface->geometry.x;
349 *y = sy + surface->geometry.y;
354 weston_transformed_coord(int width, int height,
355 enum wl_output_transform transform,
356 float sx, float sy, float *bx, float *by)
359 case WL_OUTPUT_TRANSFORM_NORMAL:
364 case WL_OUTPUT_TRANSFORM_FLIPPED:
368 case WL_OUTPUT_TRANSFORM_90:
372 case WL_OUTPUT_TRANSFORM_FLIPPED_90:
376 case WL_OUTPUT_TRANSFORM_180:
380 case WL_OUTPUT_TRANSFORM_FLIPPED_180:
384 case WL_OUTPUT_TRANSFORM_270:
388 case WL_OUTPUT_TRANSFORM_FLIPPED_270:
395 WL_EXPORT pixman_box32_t
396 weston_transformed_rect(int width, int height,
397 enum wl_output_transform transform,
400 float x1, x2, y1, y2;
404 weston_transformed_coord(width, height, transform,
405 rect.x1, rect.y1, &x1, &y1);
406 weston_transformed_coord(width, height, transform,
407 rect.x2, rect.y2, &x2, &y2);
429 weston_surface_to_buffer_float(struct weston_surface *surface,
430 float sx, float sy, float *bx, float *by)
432 weston_transformed_coord(surface->geometry.width,
433 surface->geometry.height,
434 surface->buffer_transform,
438 WL_EXPORT pixman_box32_t
439 weston_surface_to_buffer_rect(struct weston_surface *surface,
442 return weston_transformed_rect(surface->geometry.width,
443 surface->geometry.height,
444 surface->buffer_transform, rect);
448 weston_surface_move_to_plane(struct weston_surface *surface,
449 struct weston_plane *plane)
451 if (surface->plane == plane)
454 weston_surface_damage_below(surface);
455 surface->plane = plane;
456 weston_surface_damage(surface);
460 weston_surface_damage_below(struct weston_surface *surface)
462 pixman_region32_t damage;
464 pixman_region32_init(&damage);
465 pixman_region32_subtract(&damage, &surface->transform.boundingbox,
467 pixman_region32_union(&surface->plane->damage,
468 &surface->plane->damage, &damage);
469 pixman_region32_fini(&damage);
472 static struct wl_resource *
473 find_resource_for_client(struct wl_list *list, struct wl_client *client)
475 struct wl_resource *r;
477 wl_list_for_each(r, list, link) {
478 if (r->client == client)
486 weston_surface_update_output_mask(struct weston_surface *es, uint32_t mask)
488 uint32_t different = es->output_mask ^ mask;
489 uint32_t entered = mask & different;
490 uint32_t left = es->output_mask & different;
491 struct weston_output *output;
492 struct wl_resource *resource = NULL;
493 struct wl_client *client = es->surface.resource.client;
495 es->output_mask = mask;
496 if (es->surface.resource.client == NULL)
501 wl_list_for_each(output, &es->compositor->output_list, link) {
502 if (1 << output->id & different)
504 find_resource_for_client(&output->resource_list,
506 if (resource == NULL)
508 if (1 << output->id & entered)
509 wl_surface_send_enter(&es->surface.resource, resource);
510 if (1 << output->id & left)
511 wl_surface_send_leave(&es->surface.resource, resource);
516 weston_surface_assign_output(struct weston_surface *es)
518 struct weston_compositor *ec = es->compositor;
519 struct weston_output *output, *new_output;
520 pixman_region32_t region;
521 uint32_t max, area, mask;
527 pixman_region32_init(®ion);
528 wl_list_for_each(output, &ec->output_list, link) {
529 pixman_region32_intersect(®ion, &es->transform.boundingbox,
532 e = pixman_region32_extents(®ion);
533 area = (e->x2 - e->x1) * (e->y2 - e->y1);
536 mask |= 1 << output->id;
543 pixman_region32_fini(®ion);
545 es->output = new_output;
546 weston_surface_update_output_mask(es, mask);
550 surface_compute_bbox(struct weston_surface *surface, int32_t sx, int32_t sy,
551 int32_t width, int32_t height,
552 pixman_region32_t *bbox)
554 float min_x = HUGE_VALF, min_y = HUGE_VALF;
555 float max_x = -HUGE_VALF, max_y = -HUGE_VALF;
560 { sx + width, sy + height }
565 if (width == 0 || height == 0) {
566 /* avoid rounding empty bbox to 1x1 */
567 pixman_region32_init(bbox);
571 for (i = 0; i < 4; ++i) {
573 weston_surface_to_global_float(surface,
574 s[i][0], s[i][1], &x, &y);
585 int_x = floorf(min_x);
586 int_y = floorf(min_y);
587 pixman_region32_init_rect(bbox, int_x, int_y,
588 ceilf(max_x) - int_x, ceilf(max_y) - int_y);
592 weston_surface_update_transform_disable(struct weston_surface *surface)
594 surface->transform.enabled = 0;
596 /* round off fractions when not transformed */
597 surface->geometry.x = roundf(surface->geometry.x);
598 surface->geometry.y = roundf(surface->geometry.y);
600 /* Otherwise identity matrix, but with x and y translation. */
601 surface->transform.position.matrix.type = WESTON_MATRIX_TRANSFORM_TRANSLATE;
602 surface->transform.position.matrix.d[12] = surface->geometry.x;
603 surface->transform.position.matrix.d[13] = surface->geometry.y;
605 surface->transform.matrix = surface->transform.position.matrix;
607 surface->transform.inverse = surface->transform.position.matrix;
608 surface->transform.inverse.d[12] = -surface->geometry.x;
609 surface->transform.inverse.d[13] = -surface->geometry.y;
611 pixman_region32_init_rect(&surface->transform.boundingbox,
614 surface->geometry.width,
615 surface->geometry.height);
617 if (surface->alpha == 1.0) {
618 pixman_region32_copy(&surface->transform.opaque,
620 pixman_region32_translate(&surface->transform.opaque,
622 surface->geometry.y);
627 weston_surface_update_transform_enable(struct weston_surface *surface)
629 struct weston_surface *parent = surface->geometry.parent;
630 struct weston_matrix *matrix = &surface->transform.matrix;
631 struct weston_matrix *inverse = &surface->transform.inverse;
632 struct weston_transform *tform;
634 surface->transform.enabled = 1;
636 /* Otherwise identity matrix, but with x and y translation. */
637 surface->transform.position.matrix.type = WESTON_MATRIX_TRANSFORM_TRANSLATE;
638 surface->transform.position.matrix.d[12] = surface->geometry.x;
639 surface->transform.position.matrix.d[13] = surface->geometry.y;
641 weston_matrix_init(matrix);
642 wl_list_for_each(tform, &surface->geometry.transformation_list, link)
643 weston_matrix_multiply(matrix, &tform->matrix);
646 weston_matrix_multiply(matrix, &parent->transform.matrix);
648 if (weston_matrix_invert(inverse, matrix) < 0) {
649 /* Oops, bad total transformation, not invertible */
650 weston_log("error: weston_surface %p"
651 " transformation not invertible.\n", surface);
655 surface_compute_bbox(surface, 0, 0, surface->geometry.width,
656 surface->geometry.height,
657 &surface->transform.boundingbox);
663 weston_surface_update_transform(struct weston_surface *surface)
665 struct weston_surface *parent = surface->geometry.parent;
667 if (!surface->transform.dirty)
671 weston_surface_update_transform(parent);
673 surface->transform.dirty = 0;
675 weston_surface_damage_below(surface);
677 pixman_region32_fini(&surface->transform.boundingbox);
678 pixman_region32_fini(&surface->transform.opaque);
679 pixman_region32_init(&surface->transform.opaque);
681 /* transform.position is always in transformation_list */
682 if (surface->geometry.transformation_list.next ==
683 &surface->transform.position.link &&
684 surface->geometry.transformation_list.prev ==
685 &surface->transform.position.link &&
687 weston_surface_update_transform_disable(surface);
689 if (weston_surface_update_transform_enable(surface) < 0)
690 weston_surface_update_transform_disable(surface);
693 weston_surface_damage_below(surface);
695 weston_surface_assign_output(surface);
699 weston_surface_geometry_dirty(struct weston_surface *surface)
701 struct weston_surface *child;
704 * The invariant: if surface->geometry.dirty, then all surfaces
705 * in surface->geometry.child_list have geometry.dirty too.
706 * Corollary: if not parent->geometry.dirty, then all ancestors
710 if (surface->transform.dirty)
713 surface->transform.dirty = 1;
715 wl_list_for_each(child, &surface->geometry.child_list,
716 geometry.parent_link)
717 weston_surface_geometry_dirty(child);
721 weston_surface_to_global_fixed(struct weston_surface *surface,
722 wl_fixed_t sx, wl_fixed_t sy,
723 wl_fixed_t *x, wl_fixed_t *y)
727 weston_surface_to_global_float(surface,
728 wl_fixed_to_double(sx),
729 wl_fixed_to_double(sy),
731 *x = wl_fixed_from_double(xf);
732 *y = wl_fixed_from_double(yf);
736 weston_surface_from_global_float(struct weston_surface *surface,
737 float x, float y, float *sx, float *sy)
739 if (surface->transform.enabled) {
740 struct weston_vector v = { { x, y, 0.0f, 1.0f } };
742 weston_matrix_transform(&surface->transform.inverse, &v);
744 if (fabsf(v.f[3]) < 1e-6) {
745 weston_log("warning: numerical instability in "
746 "weston_surface_from_global(), divisor = %g\n",
753 *sx = v.f[0] / v.f[3];
754 *sy = v.f[1] / v.f[3];
756 *sx = x - surface->geometry.x;
757 *sy = y - surface->geometry.y;
762 weston_surface_from_global_fixed(struct weston_surface *surface,
763 wl_fixed_t x, wl_fixed_t y,
764 wl_fixed_t *sx, wl_fixed_t *sy)
768 weston_surface_from_global_float(surface,
769 wl_fixed_to_double(x),
770 wl_fixed_to_double(y),
772 *sx = wl_fixed_from_double(sxf);
773 *sy = wl_fixed_from_double(syf);
777 weston_surface_from_global(struct weston_surface *surface,
778 int32_t x, int32_t y, int32_t *sx, int32_t *sy)
782 weston_surface_from_global_float(surface, x, y, &sxf, &syf);
788 weston_surface_schedule_repaint(struct weston_surface *surface)
790 struct weston_output *output;
792 wl_list_for_each(output, &surface->compositor->output_list, link)
793 if (surface->output_mask & (1 << output->id))
794 weston_output_schedule_repaint(output);
798 weston_surface_damage(struct weston_surface *surface)
800 pixman_region32_union_rect(&surface->damage, &surface->damage,
801 0, 0, surface->geometry.width,
802 surface->geometry.height);
804 weston_surface_schedule_repaint(surface);
808 weston_surface_configure(struct weston_surface *surface,
809 float x, float y, int width, int height)
811 surface->geometry.x = x;
812 surface->geometry.y = y;
813 surface->geometry.width = width;
814 surface->geometry.height = height;
815 weston_surface_geometry_dirty(surface);
819 weston_surface_set_position(struct weston_surface *surface,
822 surface->geometry.x = x;
823 surface->geometry.y = y;
824 weston_surface_geometry_dirty(surface);
828 transform_parent_handle_parent_destroy(struct wl_listener *listener,
831 struct weston_surface *surface =
832 container_of(listener, struct weston_surface,
833 geometry.parent_destroy_listener);
835 weston_surface_set_transform_parent(surface, NULL);
839 weston_surface_set_transform_parent(struct weston_surface *surface,
840 struct weston_surface *parent)
842 if (surface->geometry.parent) {
843 wl_list_remove(&surface->geometry.parent_destroy_listener.link);
844 wl_list_remove(&surface->geometry.parent_link);
847 surface->geometry.parent = parent;
849 surface->geometry.parent_destroy_listener.notify =
850 transform_parent_handle_parent_destroy;
852 wl_signal_add(&parent->surface.resource.destroy_signal,
853 &surface->geometry.parent_destroy_listener);
854 wl_list_insert(&parent->geometry.child_list,
855 &surface->geometry.parent_link);
858 weston_surface_geometry_dirty(surface);
862 weston_surface_is_mapped(struct weston_surface *surface)
871 weston_surface_buffer_width(struct weston_surface *surface)
873 switch (surface->buffer_transform) {
874 case WL_OUTPUT_TRANSFORM_90:
875 case WL_OUTPUT_TRANSFORM_270:
876 case WL_OUTPUT_TRANSFORM_FLIPPED_90:
877 case WL_OUTPUT_TRANSFORM_FLIPPED_270:
878 return surface->buffer_ref.buffer->height;
880 return surface->buffer_ref.buffer->width;
885 weston_surface_buffer_height(struct weston_surface *surface)
887 switch (surface->buffer_transform) {
888 case WL_OUTPUT_TRANSFORM_90:
889 case WL_OUTPUT_TRANSFORM_270:
890 case WL_OUTPUT_TRANSFORM_FLIPPED_90:
891 case WL_OUTPUT_TRANSFORM_FLIPPED_270:
892 return surface->buffer_ref.buffer->width;
894 return surface->buffer_ref.buffer->height;
899 weston_compositor_get_time(void)
903 gettimeofday(&tv, NULL);
905 return tv.tv_sec * 1000 + tv.tv_usec / 1000;
908 static struct weston_surface *
909 weston_compositor_pick_surface(struct weston_compositor *compositor,
910 wl_fixed_t x, wl_fixed_t y,
911 wl_fixed_t *sx, wl_fixed_t *sy)
913 struct weston_surface *surface;
915 wl_list_for_each(surface, &compositor->surface_list, link) {
916 weston_surface_from_global_fixed(surface, x, y, sx, sy);
917 if (pixman_region32_contains_point(&surface->input,
918 wl_fixed_to_int(*sx),
919 wl_fixed_to_int(*sy),
928 weston_device_repick(struct weston_seat *seat)
930 const struct wl_pointer_grab_interface *interface;
931 struct weston_surface *surface, *focus;
932 struct wl_pointer *pointer = seat->seat.pointer;
937 surface = weston_compositor_pick_surface(seat->compositor,
941 &pointer->current_y);
943 if (&surface->surface != pointer->current) {
944 interface = pointer->grab->interface;
945 pointer->current = &surface->surface;
946 interface->focus(pointer->grab, &surface->surface,
951 focus = (struct weston_surface *) pointer->grab->focus;
953 weston_surface_from_global_fixed(focus,
961 weston_compositor_repick(struct weston_compositor *compositor)
963 struct weston_seat *seat;
965 if (!compositor->focus)
968 wl_list_for_each(seat, &compositor->seat_list, link)
969 weston_device_repick(seat);
973 weston_surface_unmap(struct weston_surface *surface)
975 struct weston_seat *seat;
977 weston_surface_damage_below(surface);
978 surface->output = NULL;
979 wl_list_remove(&surface->layer_link);
981 wl_list_for_each(seat, &surface->compositor->seat_list, link) {
982 if (seat->seat.keyboard &&
983 seat->seat.keyboard->focus == &surface->surface)
984 wl_keyboard_set_focus(seat->seat.keyboard, NULL);
985 if (seat->seat.pointer &&
986 seat->seat.pointer->focus == &surface->surface)
987 wl_pointer_set_focus(seat->seat.pointer,
989 wl_fixed_from_int(0),
990 wl_fixed_from_int(0));
993 weston_surface_schedule_repaint(surface);
996 struct weston_frame_callback {
997 struct wl_resource resource;
1002 destroy_surface(struct wl_resource *resource)
1004 struct weston_surface *surface =
1005 container_of(resource,
1006 struct weston_surface, surface.resource);
1007 struct weston_compositor *compositor = surface->compositor;
1008 struct weston_frame_callback *cb, *next;
1010 assert(wl_list_empty(&surface->geometry.child_list));
1012 if (weston_surface_is_mapped(surface))
1013 weston_surface_unmap(surface);
1015 wl_list_for_each_safe(cb, next,
1016 &surface->pending.frame_callback_list, link)
1017 wl_resource_destroy(&cb->resource);
1019 pixman_region32_fini(&surface->pending.input);
1020 pixman_region32_fini(&surface->pending.opaque);
1021 pixman_region32_fini(&surface->pending.damage);
1023 if (surface->pending.buffer)
1024 wl_list_remove(&surface->pending.buffer_destroy_listener.link);
1026 weston_buffer_reference(&surface->buffer_ref, NULL);
1028 compositor->renderer->destroy_surface(surface);
1030 pixman_region32_fini(&surface->transform.boundingbox);
1031 pixman_region32_fini(&surface->damage);
1032 pixman_region32_fini(&surface->opaque);
1033 pixman_region32_fini(&surface->clip);
1034 pixman_region32_fini(&surface->input);
1036 wl_list_for_each_safe(cb, next, &surface->frame_callback_list, link)
1037 wl_resource_destroy(&cb->resource);
1039 weston_surface_set_transform_parent(surface, NULL);
1045 weston_surface_destroy(struct weston_surface *surface)
1047 /* Not a valid way to destroy a client surface */
1048 assert(surface->surface.resource.client == NULL);
1050 wl_signal_emit(&surface->surface.resource.destroy_signal,
1051 &surface->surface.resource);
1052 destroy_surface(&surface->surface.resource);
1056 weston_buffer_reference_handle_destroy(struct wl_listener *listener,
1059 struct weston_buffer_reference *ref =
1060 container_of(listener, struct weston_buffer_reference,
1063 assert((struct wl_buffer *)data == ref->buffer);
1068 weston_buffer_reference(struct weston_buffer_reference *ref,
1069 struct wl_buffer *buffer)
1071 if (ref->buffer && buffer != ref->buffer) {
1072 ref->buffer->busy_count--;
1073 if (ref->buffer->busy_count == 0) {
1074 assert(ref->buffer->resource.client != NULL);
1075 wl_resource_queue_event(&ref->buffer->resource,
1078 wl_list_remove(&ref->destroy_listener.link);
1081 if (buffer && buffer != ref->buffer) {
1082 buffer->busy_count++;
1083 wl_signal_add(&buffer->resource.destroy_signal,
1084 &ref->destroy_listener);
1087 ref->buffer = buffer;
1088 ref->destroy_listener.notify = weston_buffer_reference_handle_destroy;
1092 weston_surface_attach(struct weston_surface *surface, struct wl_buffer *buffer)
1094 weston_buffer_reference(&surface->buffer_ref, buffer);
1097 if (weston_surface_is_mapped(surface))
1098 weston_surface_unmap(surface);
1101 surface->compositor->renderer->attach(surface, buffer);
1105 weston_surface_restack(struct weston_surface *surface, struct wl_list *below)
1107 wl_list_remove(&surface->layer_link);
1108 wl_list_insert(below, &surface->layer_link);
1109 weston_surface_damage_below(surface);
1110 weston_surface_damage(surface);
1114 weston_compositor_damage_all(struct weston_compositor *compositor)
1116 struct weston_output *output;
1118 wl_list_for_each(output, &compositor->output_list, link)
1119 weston_output_damage(output);
1123 weston_output_damage(struct weston_output *output)
1125 struct weston_compositor *compositor = output->compositor;
1127 pixman_region32_union(&compositor->primary_plane.damage,
1128 &compositor->primary_plane.damage,
1130 weston_output_schedule_repaint(output);
1134 surface_accumulate_damage(struct weston_surface *surface,
1135 pixman_region32_t *opaque)
1137 if (surface->buffer_ref.buffer &&
1138 wl_buffer_is_shm(surface->buffer_ref.buffer))
1139 surface->compositor->renderer->flush_damage(surface);
1141 if (surface->transform.enabled) {
1142 pixman_box32_t *extents;
1144 extents = pixman_region32_extents(&surface->damage);
1145 surface_compute_bbox(surface, extents->x1, extents->y1,
1146 extents->x2 - extents->x1,
1147 extents->y2 - extents->y1,
1149 pixman_region32_translate(&surface->damage,
1151 -surface->plane->y);
1153 pixman_region32_translate(&surface->damage,
1154 surface->geometry.x - surface->plane->x,
1155 surface->geometry.y - surface->plane->y);
1158 pixman_region32_subtract(&surface->damage, &surface->damage, opaque);
1159 pixman_region32_union(&surface->plane->damage,
1160 &surface->plane->damage, &surface->damage);
1161 empty_region(&surface->damage);
1162 pixman_region32_copy(&surface->clip, opaque);
1163 pixman_region32_union(opaque, opaque, &surface->transform.opaque);
1167 compositor_accumulate_damage(struct weston_compositor *ec)
1169 struct weston_plane *plane;
1170 struct weston_surface *es;
1171 pixman_region32_t opaque, clip;
1173 pixman_region32_init(&clip);
1175 wl_list_for_each(plane, &ec->plane_list, link) {
1176 pixman_region32_copy(&plane->clip, &clip);
1178 pixman_region32_init(&opaque);
1180 wl_list_for_each(es, &ec->surface_list, link) {
1181 if (es->plane != plane)
1184 surface_accumulate_damage(es, &opaque);
1187 pixman_region32_union(&clip, &clip, &opaque);
1188 pixman_region32_fini(&opaque);
1191 pixman_region32_fini(&clip);
1193 wl_list_for_each(es, &ec->surface_list, link) {
1194 /* Both the renderer and the backend have seen the buffer
1195 * by now. If renderer needs the buffer, it has its own
1196 * reference set. If the backend wants to keep the buffer
1197 * around for migrating the surface into a non-primary plane
1198 * later, keep_buffer is true. Otherwise, drop the core
1199 * reference now, and allow early buffer release. This enables
1200 * clients to use single-buffering.
1202 if (!es->keep_buffer)
1203 weston_buffer_reference(&es->buffer_ref, NULL);
1208 weston_output_repaint(struct weston_output *output, uint32_t msecs)
1210 struct weston_compositor *ec = output->compositor;
1211 struct weston_surface *es;
1212 struct weston_layer *layer;
1213 struct weston_animation *animation, *next;
1214 struct weston_frame_callback *cb, *cnext;
1215 struct wl_list frame_callback_list;
1216 pixman_region32_t output_damage;
1218 weston_compositor_update_drag_surfaces(ec);
1220 /* Rebuild the surface list and update surface transforms up front. */
1221 wl_list_init(&ec->surface_list);
1222 wl_list_init(&frame_callback_list);
1223 wl_list_for_each(layer, &ec->layer_list, link) {
1224 wl_list_for_each(es, &layer->surface_list, layer_link) {
1225 weston_surface_update_transform(es);
1226 wl_list_insert(ec->surface_list.prev, &es->link);
1227 if (es->output == output) {
1228 wl_list_insert_list(&frame_callback_list,
1229 &es->frame_callback_list);
1230 wl_list_init(&es->frame_callback_list);
1235 if (output->assign_planes && !output->disable_planes)
1236 output->assign_planes(output);
1238 wl_list_for_each(es, &ec->surface_list, link)
1239 weston_surface_move_to_plane(es, &ec->primary_plane);
1241 compositor_accumulate_damage(ec);
1243 pixman_region32_init(&output_damage);
1244 pixman_region32_intersect(&output_damage,
1245 &ec->primary_plane.damage, &output->region);
1246 pixman_region32_subtract(&output_damage,
1247 &output_damage, &ec->primary_plane.clip);
1250 weston_output_update_matrix(output);
1252 output->repaint(output, &output_damage);
1254 pixman_region32_fini(&output_damage);
1256 output->repaint_needed = 0;
1258 weston_compositor_repick(ec);
1259 wl_event_loop_dispatch(ec->input_loop, 0);
1261 wl_list_for_each_safe(cb, cnext, &frame_callback_list, link) {
1262 wl_callback_send_done(&cb->resource, msecs);
1263 wl_resource_destroy(&cb->resource);
1266 wl_list_for_each_safe(animation, next, &output->animation_list, link) {
1267 animation->frame_counter++;
1268 animation->frame(animation, output, msecs);
1273 weston_compositor_read_input(int fd, uint32_t mask, void *data)
1275 struct weston_compositor *compositor = data;
1277 wl_event_loop_dispatch(compositor->input_loop, 0);
1283 weston_output_finish_frame(struct weston_output *output, uint32_t msecs)
1285 struct weston_compositor *compositor = output->compositor;
1286 struct wl_event_loop *loop =
1287 wl_display_get_event_loop(compositor->wl_display);
1290 output->frame_time = msecs;
1291 if (output->repaint_needed) {
1292 weston_output_repaint(output, msecs);
1296 output->repaint_scheduled = 0;
1297 if (compositor->input_loop_source)
1300 fd = wl_event_loop_get_fd(compositor->input_loop);
1301 compositor->input_loop_source =
1302 wl_event_loop_add_fd(loop, fd, WL_EVENT_READABLE,
1303 weston_compositor_read_input, compositor);
1307 idle_repaint(void *data)
1309 struct weston_output *output = data;
1311 weston_output_finish_frame(output, weston_compositor_get_time());
1315 weston_layer_init(struct weston_layer *layer, struct wl_list *below)
1317 wl_list_init(&layer->surface_list);
1319 wl_list_insert(below, &layer->link);
1323 weston_output_schedule_repaint(struct weston_output *output)
1325 struct weston_compositor *compositor = output->compositor;
1326 struct wl_event_loop *loop;
1328 if (compositor->state == WESTON_COMPOSITOR_SLEEPING)
1331 loop = wl_display_get_event_loop(compositor->wl_display);
1332 output->repaint_needed = 1;
1333 if (output->repaint_scheduled)
1336 wl_event_loop_add_idle(loop, idle_repaint, output);
1337 output->repaint_scheduled = 1;
1339 if (compositor->input_loop_source) {
1340 wl_event_source_remove(compositor->input_loop_source);
1341 compositor->input_loop_source = NULL;
1346 weston_compositor_schedule_repaint(struct weston_compositor *compositor)
1348 struct weston_output *output;
1350 wl_list_for_each(output, &compositor->output_list, link)
1351 weston_output_schedule_repaint(output);
1355 surface_destroy(struct wl_client *client, struct wl_resource *resource)
1357 wl_resource_destroy(resource);
1361 surface_attach(struct wl_client *client,
1362 struct wl_resource *resource,
1363 struct wl_resource *buffer_resource, int32_t sx, int32_t sy)
1365 struct weston_surface *surface = resource->data;
1366 struct wl_buffer *buffer = NULL;
1368 if (buffer_resource)
1369 buffer = buffer_resource->data;
1371 /* Attach, attach, without commit in between does not send
1372 * wl_buffer.release. */
1373 if (surface->pending.buffer)
1374 wl_list_remove(&surface->pending.buffer_destroy_listener.link);
1376 surface->pending.sx = sx;
1377 surface->pending.sy = sy;
1378 surface->pending.buffer = buffer;
1379 surface->pending.newly_attached = 1;
1381 wl_signal_add(&buffer->resource.destroy_signal,
1382 &surface->pending.buffer_destroy_listener);
1387 surface_damage(struct wl_client *client,
1388 struct wl_resource *resource,
1389 int32_t x, int32_t y, int32_t width, int32_t height)
1391 struct weston_surface *surface = resource->data;
1393 pixman_region32_union_rect(&surface->pending.damage,
1394 &surface->pending.damage,
1395 x, y, width, height);
1399 destroy_frame_callback(struct wl_resource *resource)
1401 struct weston_frame_callback *cb = resource->data;
1403 wl_list_remove(&cb->link);
1408 surface_frame(struct wl_client *client,
1409 struct wl_resource *resource, uint32_t callback)
1411 struct weston_frame_callback *cb;
1412 struct weston_surface *surface = resource->data;
1414 cb = malloc(sizeof *cb);
1416 wl_resource_post_no_memory(resource);
1420 cb->resource.object.interface = &wl_callback_interface;
1421 cb->resource.object.id = callback;
1422 cb->resource.destroy = destroy_frame_callback;
1423 cb->resource.client = client;
1424 cb->resource.data = cb;
1426 wl_client_add_resource(client, &cb->resource);
1427 wl_list_insert(surface->pending.frame_callback_list.prev, &cb->link);
1431 surface_set_opaque_region(struct wl_client *client,
1432 struct wl_resource *resource,
1433 struct wl_resource *region_resource)
1435 struct weston_surface *surface = resource->data;
1436 struct weston_region *region;
1438 if (region_resource) {
1439 region = region_resource->data;
1440 pixman_region32_copy(&surface->pending.opaque,
1443 empty_region(&surface->pending.opaque);
1448 surface_set_input_region(struct wl_client *client,
1449 struct wl_resource *resource,
1450 struct wl_resource *region_resource)
1452 struct weston_surface *surface = resource->data;
1453 struct weston_region *region;
1455 if (region_resource) {
1456 region = region_resource->data;
1457 pixman_region32_copy(&surface->pending.input,
1460 pixman_region32_fini(&surface->pending.input);
1461 region_init_infinite(&surface->pending.input);
1466 surface_commit(struct wl_client *client, struct wl_resource *resource)
1468 struct weston_surface *surface = resource->data;
1469 pixman_region32_t opaque;
1470 int buffer_width = 0;
1471 int buffer_height = 0;
1473 /* wl_surface.set_buffer_rotation */
1474 surface->buffer_transform = surface->pending.buffer_transform;
1476 /* wl_surface.attach */
1477 if (surface->pending.buffer || surface->pending.newly_attached)
1478 weston_surface_attach(surface, surface->pending.buffer);
1480 if (surface->buffer_ref.buffer) {
1481 buffer_width = weston_surface_buffer_width(surface);
1482 buffer_height = weston_surface_buffer_height(surface);
1485 if (surface->configure && surface->pending.newly_attached)
1486 surface->configure(surface,
1487 surface->pending.sx, surface->pending.sy,
1488 buffer_width, buffer_height);
1490 if (surface->pending.buffer)
1491 wl_list_remove(&surface->pending.buffer_destroy_listener.link);
1492 surface->pending.buffer = NULL;
1493 surface->pending.sx = 0;
1494 surface->pending.sy = 0;
1495 surface->pending.newly_attached = 0;
1497 /* wl_surface.damage */
1498 pixman_region32_union(&surface->damage, &surface->damage,
1499 &surface->pending.damage);
1500 pixman_region32_intersect_rect(&surface->damage, &surface->damage,
1502 surface->geometry.width,
1503 surface->geometry.height);
1504 empty_region(&surface->pending.damage);
1506 /* wl_surface.set_opaque_region */
1507 pixman_region32_init_rect(&opaque, 0, 0,
1508 surface->geometry.width,
1509 surface->geometry.height);
1510 pixman_region32_intersect(&opaque,
1511 &opaque, &surface->pending.opaque);
1513 if (!pixman_region32_equal(&opaque, &surface->opaque)) {
1514 pixman_region32_copy(&surface->opaque, &opaque);
1515 weston_surface_geometry_dirty(surface);
1518 pixman_region32_fini(&opaque);
1520 /* wl_surface.set_input_region */
1521 pixman_region32_fini(&surface->input);
1522 pixman_region32_init_rect(&surface->input, 0, 0,
1523 surface->geometry.width,
1524 surface->geometry.height);
1525 pixman_region32_intersect(&surface->input,
1526 &surface->input, &surface->pending.input);
1528 /* wl_surface.frame */
1529 wl_list_insert_list(&surface->frame_callback_list,
1530 &surface->pending.frame_callback_list);
1531 wl_list_init(&surface->pending.frame_callback_list);
1533 weston_surface_schedule_repaint(surface);
1537 surface_set_buffer_transform(struct wl_client *client,
1538 struct wl_resource *resource, int transform)
1540 struct weston_surface *surface = resource->data;
1542 surface->pending.buffer_transform = transform;
1545 static const struct wl_surface_interface surface_interface = {
1550 surface_set_opaque_region,
1551 surface_set_input_region,
1553 surface_set_buffer_transform
1557 compositor_create_surface(struct wl_client *client,
1558 struct wl_resource *resource, uint32_t id)
1560 struct weston_compositor *ec = resource->data;
1561 struct weston_surface *surface;
1563 surface = weston_surface_create(ec);
1564 if (surface == NULL) {
1565 wl_resource_post_no_memory(resource);
1569 surface->surface.resource.destroy = destroy_surface;
1571 surface->surface.resource.object.id = id;
1572 surface->surface.resource.object.interface = &wl_surface_interface;
1573 surface->surface.resource.object.implementation =
1574 (void (**)(void)) &surface_interface;
1575 surface->surface.resource.data = surface;
1577 wl_client_add_resource(client, &surface->surface.resource);
1581 destroy_region(struct wl_resource *resource)
1583 struct weston_region *region =
1584 container_of(resource, struct weston_region, resource);
1586 pixman_region32_fini(®ion->region);
1591 region_destroy(struct wl_client *client, struct wl_resource *resource)
1593 wl_resource_destroy(resource);
1597 region_add(struct wl_client *client, struct wl_resource *resource,
1598 int32_t x, int32_t y, int32_t width, int32_t height)
1600 struct weston_region *region = resource->data;
1602 pixman_region32_union_rect(®ion->region, ®ion->region,
1603 x, y, width, height);
1607 region_subtract(struct wl_client *client, struct wl_resource *resource,
1608 int32_t x, int32_t y, int32_t width, int32_t height)
1610 struct weston_region *region = resource->data;
1611 pixman_region32_t rect;
1613 pixman_region32_init_rect(&rect, x, y, width, height);
1614 pixman_region32_subtract(®ion->region, ®ion->region, &rect);
1615 pixman_region32_fini(&rect);
1618 static const struct wl_region_interface region_interface = {
1625 compositor_create_region(struct wl_client *client,
1626 struct wl_resource *resource, uint32_t id)
1628 struct weston_region *region;
1630 region = malloc(sizeof *region);
1631 if (region == NULL) {
1632 wl_resource_post_no_memory(resource);
1636 region->resource.destroy = destroy_region;
1638 region->resource.object.id = id;
1639 region->resource.object.interface = &wl_region_interface;
1640 region->resource.object.implementation =
1641 (void (**)(void)) ®ion_interface;
1642 region->resource.data = region;
1644 pixman_region32_init(®ion->region);
1646 wl_client_add_resource(client, ®ion->resource);
1649 static const struct wl_compositor_interface compositor_interface = {
1650 compositor_create_surface,
1651 compositor_create_region
1655 weston_compositor_dpms(struct weston_compositor *compositor,
1656 enum dpms_enum state)
1658 struct weston_output *output;
1660 wl_list_for_each(output, &compositor->output_list, link)
1661 if (output->set_dpms)
1662 output->set_dpms(output, state);
1666 weston_compositor_wake(struct weston_compositor *compositor)
1668 switch (compositor->state) {
1669 case WESTON_COMPOSITOR_SLEEPING:
1670 weston_compositor_dpms(compositor, WESTON_DPMS_ON);
1672 case WESTON_COMPOSITOR_IDLE:
1673 wl_signal_emit(&compositor->wake_signal, compositor);
1676 compositor->state = WESTON_COMPOSITOR_ACTIVE;
1677 wl_event_source_timer_update(compositor->idle_source,
1678 compositor->idle_time * 1000);
1683 weston_compositor_sleep(struct weston_compositor *compositor)
1685 if (compositor->state == WESTON_COMPOSITOR_SLEEPING)
1688 compositor->state = WESTON_COMPOSITOR_SLEEPING;
1689 weston_compositor_dpms(compositor, WESTON_DPMS_OFF);
1693 weston_compositor_idle_inhibit(struct weston_compositor *compositor)
1695 weston_compositor_wake(compositor);
1696 compositor->idle_inhibit++;
1700 weston_compositor_idle_release(struct weston_compositor *compositor)
1702 compositor->idle_inhibit--;
1703 weston_compositor_wake(compositor);
1707 idle_handler(void *data)
1709 struct weston_compositor *compositor = data;
1711 if (compositor->idle_inhibit)
1714 compositor->state = WESTON_COMPOSITOR_IDLE;
1715 wl_signal_emit(&compositor->idle_signal, compositor);
1721 weston_plane_init(struct weston_plane *plane, int32_t x, int32_t y)
1723 pixman_region32_init(&plane->damage);
1724 pixman_region32_init(&plane->clip);
1730 weston_plane_release(struct weston_plane *plane)
1732 pixman_region32_fini(&plane->damage);
1733 pixman_region32_fini(&plane->clip);
1737 weston_compositor_stack_plane(struct weston_compositor *ec,
1738 struct weston_plane *plane,
1739 struct weston_plane *above)
1742 wl_list_insert(above->link.prev, &plane->link);
1744 wl_list_insert(&ec->plane_list, &plane->link);
1748 weston_seat_update_drag_surface(struct weston_seat *seat, int dx, int dy);
1751 clip_pointer_motion(struct weston_seat *seat, wl_fixed_t *fx, wl_fixed_t *fy)
1753 struct weston_compositor *ec = seat->compositor;
1754 struct weston_output *output, *prev = NULL;
1755 int x, y, old_x, old_y, valid = 0;
1757 x = wl_fixed_to_int(*fx);
1758 y = wl_fixed_to_int(*fy);
1759 old_x = wl_fixed_to_int(seat->seat.pointer->x);
1760 old_y = wl_fixed_to_int(seat->seat.pointer->y);
1762 wl_list_for_each(output, &ec->output_list, link) {
1763 if (pixman_region32_contains_point(&output->region,
1766 if (pixman_region32_contains_point(&output->region,
1767 old_x, old_y, NULL))
1773 *fx = wl_fixed_from_int(prev->x);
1774 else if (x >= prev->x + prev->width)
1775 *fx = wl_fixed_from_int(prev->x +
1778 *fy = wl_fixed_from_int(prev->y);
1779 else if (y >= prev->y + prev->current->height)
1780 *fy = wl_fixed_from_int(prev->y +
1786 move_pointer(struct weston_seat *seat, wl_fixed_t dx, wl_fixed_t dy)
1788 struct weston_compositor *ec = seat->compositor;
1789 struct wl_pointer *pointer = seat->seat.pointer;
1790 struct weston_output *output;
1794 x = pointer->x + dx;
1795 y = pointer->y + dy;
1796 clip_pointer_motion(seat, &x, &y);
1798 weston_seat_update_drag_surface(seat, x - pointer->x, y - pointer->y);
1803 ix = wl_fixed_to_int(x);
1804 iy = wl_fixed_to_int(y);
1806 wl_list_for_each(output, &ec->output_list, link)
1807 if (output->zoom.active &&
1808 pixman_region32_contains_point(&output->region,
1810 weston_output_update_zoom(output, ZOOM_FOCUS_POINTER);
1812 weston_device_repick(seat);
1815 weston_surface_set_position(seat->sprite,
1816 ix - seat->hotspot_x,
1817 iy - seat->hotspot_y);
1818 weston_surface_schedule_repaint(seat->sprite);
1823 notify_motion(struct weston_seat *seat,
1824 uint32_t time, wl_fixed_t dx, wl_fixed_t dy)
1826 const struct wl_pointer_grab_interface *interface;
1827 struct weston_compositor *ec = seat->compositor;
1828 struct wl_pointer *pointer = seat->seat.pointer;
1830 weston_compositor_wake(ec);
1832 move_pointer(seat, dx, dy);
1834 interface = pointer->grab->interface;
1835 interface->motion(pointer->grab, time,
1836 pointer->grab->x, pointer->grab->y);
1840 weston_surface_activate(struct weston_surface *surface,
1841 struct weston_seat *seat)
1843 struct weston_compositor *compositor = seat->compositor;
1845 if (seat->seat.keyboard) {
1846 wl_keyboard_set_focus(seat->seat.keyboard, &surface->surface);
1847 wl_data_device_set_keyboard_focus(&seat->seat);
1850 wl_signal_emit(&compositor->activate_signal, surface);
1854 notify_button(struct weston_seat *seat, uint32_t time, int32_t button,
1855 enum wl_pointer_button_state state)
1857 struct weston_compositor *compositor = seat->compositor;
1858 struct wl_pointer *pointer = seat->seat.pointer;
1859 struct weston_surface *focus =
1860 (struct weston_surface *) pointer->focus;
1861 uint32_t serial = wl_display_next_serial(compositor->wl_display);
1863 if (state == WL_POINTER_BUTTON_STATE_PRESSED) {
1864 if (compositor->ping_handler && focus)
1865 compositor->ping_handler(focus, serial);
1866 weston_compositor_idle_inhibit(compositor);
1867 if (pointer->button_count == 0) {
1868 pointer->grab_button = button;
1869 pointer->grab_time = time;
1870 pointer->grab_x = pointer->x;
1871 pointer->grab_y = pointer->y;
1873 pointer->button_count++;
1875 weston_compositor_idle_release(compositor);
1876 pointer->button_count--;
1879 weston_compositor_run_button_binding(compositor, seat, time, button,
1882 pointer->grab->interface->button(pointer->grab, time, button, state);
1884 if (pointer->button_count == 1)
1885 pointer->grab_serial =
1886 wl_display_get_serial(compositor->wl_display);
1890 notify_axis(struct weston_seat *seat, uint32_t time, uint32_t axis,
1893 struct weston_compositor *compositor = seat->compositor;
1894 struct wl_pointer *pointer = seat->seat.pointer;
1895 struct weston_surface *focus =
1896 (struct weston_surface *) pointer->focus;
1897 uint32_t serial = wl_display_next_serial(compositor->wl_display);
1899 if (compositor->ping_handler && focus)
1900 compositor->ping_handler(focus, serial);
1902 weston_compositor_wake(compositor);
1907 if (weston_compositor_run_axis_binding(compositor, seat,
1911 if (pointer->focus_resource)
1912 wl_pointer_send_axis(pointer->focus_resource, time, axis,
1917 notify_modifiers(struct weston_seat *seat, uint32_t serial)
1919 struct wl_keyboard *keyboard = &seat->keyboard.keyboard;
1920 struct wl_keyboard_grab *grab = keyboard->grab;
1921 uint32_t mods_depressed, mods_latched, mods_locked, group;
1922 uint32_t mods_lookup;
1923 enum weston_led leds = 0;
1926 /* Serialize and update our internal state, checking to see if it's
1927 * different to the previous state. */
1928 mods_depressed = xkb_state_serialize_mods(seat->xkb_state.state,
1929 XKB_STATE_DEPRESSED);
1930 mods_latched = xkb_state_serialize_mods(seat->xkb_state.state,
1932 mods_locked = xkb_state_serialize_mods(seat->xkb_state.state,
1934 group = xkb_state_serialize_group(seat->xkb_state.state,
1935 XKB_STATE_EFFECTIVE);
1937 if (mods_depressed != seat->seat.keyboard->modifiers.mods_depressed ||
1938 mods_latched != seat->seat.keyboard->modifiers.mods_latched ||
1939 mods_locked != seat->seat.keyboard->modifiers.mods_locked ||
1940 group != seat->seat.keyboard->modifiers.group)
1943 seat->seat.keyboard->modifiers.mods_depressed = mods_depressed;
1944 seat->seat.keyboard->modifiers.mods_latched = mods_latched;
1945 seat->seat.keyboard->modifiers.mods_locked = mods_locked;
1946 seat->seat.keyboard->modifiers.group = group;
1948 /* And update the modifier_state for bindings. */
1949 mods_lookup = mods_depressed | mods_latched;
1950 seat->modifier_state = 0;
1951 if (mods_lookup & (1 << seat->xkb_info.ctrl_mod))
1952 seat->modifier_state |= MODIFIER_CTRL;
1953 if (mods_lookup & (1 << seat->xkb_info.alt_mod))
1954 seat->modifier_state |= MODIFIER_ALT;
1955 if (mods_lookup & (1 << seat->xkb_info.super_mod))
1956 seat->modifier_state |= MODIFIER_SUPER;
1957 if (mods_lookup & (1 << seat->xkb_info.shift_mod))
1958 seat->modifier_state |= MODIFIER_SHIFT;
1960 /* Finally, notify the compositor that LEDs have changed. */
1961 if (xkb_state_led_index_is_active(seat->xkb_state.state,
1962 seat->xkb_info.num_led))
1963 leds |= LED_NUM_LOCK;
1964 if (xkb_state_led_index_is_active(seat->xkb_state.state,
1965 seat->xkb_info.caps_led))
1966 leds |= LED_CAPS_LOCK;
1967 if (xkb_state_led_index_is_active(seat->xkb_state.state,
1968 seat->xkb_info.scroll_led))
1969 leds |= LED_SCROLL_LOCK;
1970 if (leds != seat->xkb_state.leds && seat->led_update)
1971 seat->led_update(seat, leds);
1972 seat->xkb_state.leds = leds;
1975 grab->interface->modifiers(grab,
1977 keyboard->modifiers.mods_depressed,
1978 keyboard->modifiers.mods_latched,
1979 keyboard->modifiers.mods_locked,
1980 keyboard->modifiers.group);
1985 update_modifier_state(struct weston_seat *seat, uint32_t serial, uint32_t key,
1986 enum wl_keyboard_key_state state)
1988 enum xkb_key_direction direction;
1990 if (state == WL_KEYBOARD_KEY_STATE_PRESSED)
1991 direction = XKB_KEY_DOWN;
1993 direction = XKB_KEY_UP;
1995 /* Offset the keycode by 8, as the evdev XKB rules reflect X's
1996 * broken keycode system, which starts at 8. */
1997 xkb_state_update_key(seat->xkb_state.state, key + 8, direction);
1999 notify_modifiers(seat, serial);
2003 notify_key(struct weston_seat *seat, uint32_t time, uint32_t key,
2004 enum wl_keyboard_key_state state,
2005 enum weston_key_state_update update_state)
2007 struct weston_compositor *compositor = seat->compositor;
2008 struct weston_keyboard *keyboard = &seat->keyboard;
2009 struct weston_surface *focus =
2010 (struct weston_surface *) keyboard->keyboard.focus;
2011 struct wl_keyboard_grab *grab = keyboard->keyboard.grab;
2012 uint32_t serial = wl_display_next_serial(compositor->wl_display);
2015 if (state == WL_KEYBOARD_KEY_STATE_PRESSED) {
2016 if (compositor->ping_handler && focus)
2017 compositor->ping_handler(focus, serial);
2019 weston_compositor_idle_inhibit(compositor);
2020 keyboard->keyboard.grab_key = key;
2021 keyboard->keyboard.grab_time = time;
2023 weston_compositor_idle_release(compositor);
2026 end = keyboard->keyboard.keys.data + keyboard->keyboard.keys.size;
2027 for (k = keyboard->keyboard.keys.data; k < end; k++) {
2029 /* Ignore server-generated repeats. */
2030 if (state == WL_KEYBOARD_KEY_STATE_PRESSED)
2035 keyboard->keyboard.keys.size = (void *) end - keyboard->keyboard.keys.data;
2036 if (state == WL_KEYBOARD_KEY_STATE_PRESSED) {
2037 k = wl_array_add(&keyboard->keyboard.keys, sizeof *k);
2041 if (grab == &keyboard->keyboard.default_grab ||
2042 grab == &keyboard->input_method_grab) {
2043 weston_compositor_run_key_binding(compositor, seat, time, key,
2045 grab = keyboard->keyboard.grab;
2048 grab->interface->key(grab, time, key, state);
2050 if (update_state == STATE_UPDATE_AUTOMATIC) {
2051 update_modifier_state(seat,
2052 wl_display_get_serial(compositor->wl_display),
2059 notify_pointer_focus(struct weston_seat *seat, struct weston_output *output,
2060 wl_fixed_t x, wl_fixed_t y)
2062 struct weston_compositor *compositor = seat->compositor;
2063 struct wl_pointer *pointer = seat->seat.pointer;
2066 clip_pointer_motion(seat, &x, &y);
2067 weston_seat_update_drag_surface(seat,
2073 compositor->focus = 1;
2074 weston_compositor_repick(compositor);
2076 compositor->focus = 0;
2077 /* FIXME: We should call wl_pointer_set_focus(seat,
2078 * NULL) here, but somehow that breaks re-entry... */
2083 destroy_device_saved_kbd_focus(struct wl_listener *listener, void *data)
2085 struct weston_seat *ws;
2087 ws = container_of(listener, struct weston_seat,
2088 saved_kbd_focus_listener);
2090 ws->saved_kbd_focus = NULL;
2094 notify_keyboard_focus_in(struct weston_seat *seat, struct wl_array *keys,
2095 enum weston_key_state_update update_state)
2097 struct weston_compositor *compositor = seat->compositor;
2098 struct wl_keyboard *keyboard = seat->seat.keyboard;
2099 struct wl_surface *surface;
2100 uint32_t *k, serial;
2102 serial = wl_display_next_serial(compositor->wl_display);
2103 wl_array_copy(&keyboard->keys, keys);
2104 wl_array_for_each(k, &keyboard->keys) {
2105 weston_compositor_idle_inhibit(compositor);
2106 if (update_state == STATE_UPDATE_AUTOMATIC)
2107 update_modifier_state(seat, serial, *k,
2108 WL_KEYBOARD_KEY_STATE_PRESSED);
2111 /* Run key bindings after we've updated the state. */
2112 wl_array_for_each(k, &keyboard->keys) {
2113 weston_compositor_run_key_binding(compositor, seat, 0, *k,
2114 WL_KEYBOARD_KEY_STATE_PRESSED);
2117 surface = seat->saved_kbd_focus;
2120 wl_list_remove(&seat->saved_kbd_focus_listener.link);
2121 wl_keyboard_set_focus(keyboard, surface);
2122 seat->saved_kbd_focus = NULL;
2127 notify_keyboard_focus_out(struct weston_seat *seat)
2129 struct weston_compositor *compositor = seat->compositor;
2130 struct wl_keyboard *keyboard = seat->seat.keyboard;
2131 uint32_t *k, serial;
2133 serial = wl_display_next_serial(compositor->wl_display);
2134 wl_array_for_each(k, &keyboard->keys) {
2135 weston_compositor_idle_release(compositor);
2136 update_modifier_state(seat, serial, *k,
2137 WL_KEYBOARD_KEY_STATE_RELEASED);
2140 seat->modifier_state = 0;
2142 if (keyboard->focus) {
2143 seat->saved_kbd_focus = keyboard->focus;
2144 seat->saved_kbd_focus_listener.notify =
2145 destroy_device_saved_kbd_focus;
2146 wl_signal_add(&keyboard->focus->resource.destroy_signal,
2147 &seat->saved_kbd_focus_listener);
2150 wl_keyboard_set_focus(keyboard, NULL);
2151 /* FIXME: We really need keyboard grab cancel here to
2152 * let the grab shut down properly. As it is we leak
2154 wl_keyboard_end_grab(keyboard);
2158 touch_set_focus(struct weston_seat *ws, struct wl_surface *surface)
2160 struct wl_seat *seat = &ws->seat;
2161 struct wl_resource *resource;
2163 if (seat->touch->focus == surface)
2166 if (seat->touch->focus_resource)
2167 wl_list_remove(&seat->touch->focus_listener.link);
2168 seat->touch->focus = NULL;
2169 seat->touch->focus_resource = NULL;
2173 find_resource_for_client(&seat->touch->resource_list,
2174 surface->resource.client);
2176 weston_log("couldn't find resource\n");
2180 seat->touch->focus = surface;
2181 seat->touch->focus_resource = resource;
2182 wl_signal_add(&resource->destroy_signal,
2183 &seat->touch->focus_listener);
2188 * notify_touch - emulates button touches and notifies surfaces accordingly.
2190 * It assumes always the correct cycle sequence until it gets here: touch_down
2191 * → touch_update → ... → touch_update → touch_end. The driver is responsible
2192 * for sending along such order.
2196 notify_touch(struct weston_seat *seat, uint32_t time, int touch_id,
2197 wl_fixed_t x, wl_fixed_t y, int touch_type)
2199 struct weston_compositor *ec = seat->compositor;
2200 struct wl_touch *touch = seat->seat.touch;
2201 struct wl_touch_grab *grab = touch->grab;
2202 struct weston_surface *es;
2205 /* Update grab's global coordinates. */
2209 switch (touch_type) {
2211 weston_compositor_idle_inhibit(ec);
2215 /* the first finger down picks the surface, and all further go
2216 * to that surface for the remainder of the touch session i.e.
2217 * until all touch points are up again. */
2218 if (seat->num_tp == 1) {
2219 es = weston_compositor_pick_surface(ec, x, y, &sx, &sy);
2220 touch_set_focus(seat, &es->surface);
2221 } else if (touch->focus) {
2222 es = (struct weston_surface *) touch->focus;
2223 weston_surface_from_global_fixed(es, x, y, &sx, &sy);
2225 /* Unexpected condition: We have non-initial touch but
2226 * there is no focused surface.
2228 weston_log("touch event received with %d points down"
2229 "but no surface focused\n", seat->num_tp);
2233 grab->interface->down(grab, time, touch_id, sx, sy);
2235 case WL_TOUCH_MOTION:
2236 es = (struct weston_surface *) touch->focus;
2240 weston_surface_from_global_fixed(es, x, y, &sx, &sy);
2241 grab->interface->motion(grab, time, touch_id, sx, sy);
2244 weston_compositor_idle_release(ec);
2247 grab->interface->up(grab, time, touch_id);
2248 if (seat->num_tp == 0)
2249 touch_set_focus(seat, NULL);
2255 pointer_handle_sprite_destroy(struct wl_listener *listener, void *data)
2257 struct weston_seat *seat = container_of(listener, struct weston_seat,
2258 sprite_destroy_listener);
2260 seat->sprite = NULL;
2264 pointer_cursor_surface_configure(struct weston_surface *es,
2265 int32_t dx, int32_t dy, int32_t width, int32_t height)
2267 struct weston_seat *seat = es->private;
2273 assert(es == seat->sprite);
2275 seat->hotspot_x -= dx;
2276 seat->hotspot_y -= dy;
2278 x = wl_fixed_to_int(seat->seat.pointer->x) - seat->hotspot_x;
2279 y = wl_fixed_to_int(seat->seat.pointer->y) - seat->hotspot_y;
2281 weston_surface_configure(seat->sprite, x, y,
2284 empty_region(&es->pending.input);
2286 if (!weston_surface_is_mapped(es)) {
2287 wl_list_insert(&es->compositor->cursor_layer.surface_list,
2289 weston_surface_update_transform(es);
2294 pointer_unmap_sprite(struct weston_seat *seat)
2296 if (weston_surface_is_mapped(seat->sprite))
2297 weston_surface_unmap(seat->sprite);
2299 wl_list_remove(&seat->sprite_destroy_listener.link);
2300 seat->sprite->configure = NULL;
2301 seat->sprite->private = NULL;
2302 seat->sprite = NULL;
2306 pointer_set_cursor(struct wl_client *client, struct wl_resource *resource,
2307 uint32_t serial, struct wl_resource *surface_resource,
2308 int32_t x, int32_t y)
2310 struct weston_seat *seat = resource->data;
2311 struct weston_surface *surface = NULL;
2313 if (surface_resource)
2314 surface = surface_resource->data;
2316 if (seat->seat.pointer->focus == NULL)
2318 if (seat->seat.pointer->focus->resource.client != client)
2320 if (seat->seat.pointer->focus_serial - serial > UINT32_MAX / 2)
2323 if (surface && surface != seat->sprite) {
2324 if (surface->configure) {
2325 wl_resource_post_error(&surface->surface.resource,
2326 WL_DISPLAY_ERROR_INVALID_OBJECT,
2327 "surface->configure already "
2334 pointer_unmap_sprite(seat);
2339 wl_signal_add(&surface->surface.resource.destroy_signal,
2340 &seat->sprite_destroy_listener);
2342 surface->configure = pointer_cursor_surface_configure;
2343 surface->private = seat;
2344 seat->sprite = surface;
2345 seat->hotspot_x = x;
2346 seat->hotspot_y = y;
2348 if (surface->buffer_ref.buffer)
2349 pointer_cursor_surface_configure(surface, 0, 0, weston_surface_buffer_width(surface),
2350 weston_surface_buffer_height(surface));
2353 static const struct wl_pointer_interface pointer_interface = {
2358 handle_drag_surface_destroy(struct wl_listener *listener, void *data)
2360 struct weston_seat *seat;
2362 seat = container_of(listener, struct weston_seat,
2363 drag_surface_destroy_listener);
2365 seat->drag_surface = NULL;
2368 static void unbind_resource(struct wl_resource *resource)
2370 wl_list_remove(&resource->link);
2375 seat_get_pointer(struct wl_client *client, struct wl_resource *resource,
2378 struct weston_seat *seat = resource->data;
2379 struct wl_resource *cr;
2381 if (!seat->seat.pointer)
2384 cr = wl_client_add_object(client, &wl_pointer_interface,
2385 &pointer_interface, id, seat);
2386 wl_list_insert(&seat->seat.pointer->resource_list, &cr->link);
2387 cr->destroy = unbind_resource;
2389 if (seat->seat.pointer->focus &&
2390 seat->seat.pointer->focus->resource.client == client) {
2391 struct weston_surface *surface;
2394 surface = (struct weston_surface *) seat->seat.pointer->focus;
2395 weston_surface_from_global_fixed(surface,
2396 seat->seat.pointer->x,
2397 seat->seat.pointer->y,
2400 wl_pointer_set_focus(seat->seat.pointer,
2401 seat->seat.pointer->focus,
2408 seat_get_keyboard(struct wl_client *client, struct wl_resource *resource,
2411 struct weston_seat *seat = resource->data;
2412 struct wl_resource *cr;
2414 if (!seat->seat.keyboard)
2417 cr = wl_client_add_object(client, &wl_keyboard_interface, NULL, id,
2419 wl_list_insert(&seat->seat.keyboard->resource_list, &cr->link);
2420 cr->destroy = unbind_resource;
2422 wl_keyboard_send_keymap(cr, WL_KEYBOARD_KEYMAP_FORMAT_XKB_V1,
2423 seat->xkb_info.keymap_fd,
2424 seat->xkb_info.keymap_size);
2426 if (seat->seat.keyboard->focus &&
2427 seat->seat.keyboard->focus->resource.client == client) {
2428 wl_keyboard_set_focus(seat->seat.keyboard,
2429 seat->seat.keyboard->focus);
2430 wl_data_device_set_keyboard_focus(&seat->seat);
2435 seat_get_touch(struct wl_client *client, struct wl_resource *resource,
2438 struct weston_seat *seat = resource->data;
2439 struct wl_resource *cr;
2441 if (!seat->seat.touch)
2444 cr = wl_client_add_object(client, &wl_touch_interface, NULL, id, seat);
2445 wl_list_insert(&seat->seat.touch->resource_list, &cr->link);
2446 cr->destroy = unbind_resource;
2449 static const struct wl_seat_interface seat_interface = {
2456 bind_seat(struct wl_client *client, void *data, uint32_t version, uint32_t id)
2458 struct wl_seat *seat = data;
2459 struct wl_resource *resource;
2460 enum wl_seat_capability caps = 0;
2462 resource = wl_client_add_object(client, &wl_seat_interface,
2463 &seat_interface, id, data);
2464 wl_list_insert(&seat->base_resource_list, &resource->link);
2465 resource->destroy = unbind_resource;
2468 caps |= WL_SEAT_CAPABILITY_POINTER;
2470 caps |= WL_SEAT_CAPABILITY_KEYBOARD;
2472 caps |= WL_SEAT_CAPABILITY_TOUCH;
2474 wl_seat_send_capabilities(resource, caps);
2478 device_handle_new_drag_icon(struct wl_listener *listener, void *data)
2480 struct weston_seat *seat;
2482 seat = container_of(listener, struct weston_seat,
2483 new_drag_icon_listener);
2485 weston_seat_update_drag_surface(seat, 0, 0);
2489 weston_compositor_xkb_init(struct weston_compositor *ec,
2490 struct xkb_rule_names *names)
2492 if (ec->xkb_context == NULL) {
2493 ec->xkb_context = xkb_context_new(0);
2494 if (ec->xkb_context == NULL) {
2495 weston_log("failed to create XKB context\n");
2501 ec->xkb_names = *names;
2502 if (!ec->xkb_names.rules)
2503 ec->xkb_names.rules = strdup("evdev");
2504 if (!ec->xkb_names.model)
2505 ec->xkb_names.model = strdup("pc105");
2506 if (!ec->xkb_names.layout)
2507 ec->xkb_names.layout = strdup("us");
2512 static void xkb_info_destroy(struct weston_xkb_info *xkb_info)
2514 if (xkb_info->keymap)
2515 xkb_map_unref(xkb_info->keymap);
2517 if (xkb_info->keymap_area)
2518 munmap(xkb_info->keymap_area, xkb_info->keymap_size);
2519 if (xkb_info->keymap_fd >= 0)
2520 close(xkb_info->keymap_fd);
2523 static void weston_compositor_xkb_destroy(struct weston_compositor *ec)
2525 free((char *) ec->xkb_names.rules);
2526 free((char *) ec->xkb_names.model);
2527 free((char *) ec->xkb_names.layout);
2528 free((char *) ec->xkb_names.variant);
2529 free((char *) ec->xkb_names.options);
2531 xkb_info_destroy(&ec->xkb_info);
2532 xkb_context_unref(ec->xkb_context);
2536 weston_xkb_info_new_keymap(struct weston_xkb_info *xkb_info)
2540 xkb_info->shift_mod = xkb_map_mod_get_index(xkb_info->keymap,
2541 XKB_MOD_NAME_SHIFT);
2542 xkb_info->caps_mod = xkb_map_mod_get_index(xkb_info->keymap,
2544 xkb_info->ctrl_mod = xkb_map_mod_get_index(xkb_info->keymap,
2546 xkb_info->alt_mod = xkb_map_mod_get_index(xkb_info->keymap,
2548 xkb_info->mod2_mod = xkb_map_mod_get_index(xkb_info->keymap, "Mod2");
2549 xkb_info->mod3_mod = xkb_map_mod_get_index(xkb_info->keymap, "Mod3");
2550 xkb_info->super_mod = xkb_map_mod_get_index(xkb_info->keymap,
2552 xkb_info->mod5_mod = xkb_map_mod_get_index(xkb_info->keymap, "Mod5");
2554 xkb_info->num_led = xkb_map_led_get_index(xkb_info->keymap,
2556 xkb_info->caps_led = xkb_map_led_get_index(xkb_info->keymap,
2558 xkb_info->scroll_led = xkb_map_led_get_index(xkb_info->keymap,
2559 XKB_LED_NAME_SCROLL);
2561 keymap_str = xkb_map_get_as_string(xkb_info->keymap);
2562 if (keymap_str == NULL) {
2563 weston_log("failed to get string version of keymap\n");
2566 xkb_info->keymap_size = strlen(keymap_str) + 1;
2568 xkb_info->keymap_fd = os_create_anonymous_file(xkb_info->keymap_size);
2569 if (xkb_info->keymap_fd < 0) {
2570 weston_log("creating a keymap file for %lu bytes failed: %m\n",
2571 (unsigned long) xkb_info->keymap_size);
2572 goto err_keymap_str;
2575 xkb_info->keymap_area = mmap(NULL, xkb_info->keymap_size,
2576 PROT_READ | PROT_WRITE,
2577 MAP_SHARED, xkb_info->keymap_fd, 0);
2578 if (xkb_info->keymap_area == MAP_FAILED) {
2579 weston_log("failed to mmap() %lu bytes\n",
2580 (unsigned long) xkb_info->keymap_size);
2583 strcpy(xkb_info->keymap_area, keymap_str);
2589 close(xkb_info->keymap_fd);
2590 xkb_info->keymap_fd = -1;
2597 weston_compositor_build_global_keymap(struct weston_compositor *ec)
2599 if (ec->xkb_info.keymap != NULL)
2602 ec->xkb_info.keymap = xkb_map_new_from_names(ec->xkb_context,
2605 if (ec->xkb_info.keymap == NULL) {
2606 weston_log("failed to compile global XKB keymap\n");
2607 weston_log(" tried rules %s, model %s, layout %s, variant %s, "
2609 ec->xkb_names.rules, ec->xkb_names.model,
2610 ec->xkb_names.layout, ec->xkb_names.variant,
2611 ec->xkb_names.options);
2615 if (weston_xkb_info_new_keymap(&ec->xkb_info) < 0)
2622 weston_seat_init_keyboard(struct weston_seat *seat, struct xkb_keymap *keymap)
2624 if (seat->has_keyboard)
2627 if (keymap != NULL) {
2628 seat->xkb_info.keymap = xkb_map_ref(keymap);
2629 if (weston_xkb_info_new_keymap(&seat->xkb_info) < 0)
2632 if (weston_compositor_build_global_keymap(seat->compositor) < 0)
2634 seat->xkb_info = seat->compositor->xkb_info;
2635 seat->xkb_info.keymap = xkb_map_ref(seat->xkb_info.keymap);
2638 seat->xkb_state.state = xkb_state_new(seat->xkb_info.keymap);
2639 if (seat->xkb_state.state == NULL) {
2640 weston_log("failed to initialise XKB state\n");
2644 seat->xkb_state.leds = 0;
2646 wl_keyboard_init(&seat->keyboard.keyboard);
2647 wl_seat_set_keyboard(&seat->seat, &seat->keyboard.keyboard);
2649 seat->has_keyboard = 1;
2655 weston_seat_init_pointer(struct weston_seat *seat)
2657 if (seat->has_pointer)
2660 wl_pointer_init(&seat->pointer);
2661 wl_seat_set_pointer(&seat->seat, &seat->pointer);
2663 seat->has_pointer = 1;
2667 weston_seat_init_touch(struct weston_seat *seat)
2669 if (seat->has_touch)
2672 wl_touch_init(&seat->touch);
2673 wl_seat_set_touch(&seat->seat, &seat->touch);
2675 seat->has_touch = 1;
2679 weston_seat_init(struct weston_seat *seat, struct weston_compositor *ec)
2681 wl_seat_init(&seat->seat);
2682 seat->has_pointer = 0;
2683 seat->has_keyboard = 0;
2684 seat->has_touch = 0;
2686 wl_display_add_global(ec->wl_display, &wl_seat_interface, seat,
2689 seat->sprite = NULL;
2690 seat->sprite_destroy_listener.notify = pointer_handle_sprite_destroy;
2692 seat->compositor = ec;
2693 seat->hotspot_x = 16;
2694 seat->hotspot_y = 16;
2695 seat->modifier_state = 0;
2698 seat->drag_surface_destroy_listener.notify =
2699 handle_drag_surface_destroy;
2701 wl_list_insert(ec->seat_list.prev, &seat->link);
2703 seat->new_drag_icon_listener.notify = device_handle_new_drag_icon;
2704 wl_signal_add(&seat->seat.drag_icon_signal,
2705 &seat->new_drag_icon_listener);
2707 clipboard_create(seat);
2708 wl_signal_emit(&ec->seat_created_signal, seat);
2712 weston_seat_release(struct weston_seat *seat)
2714 wl_list_remove(&seat->link);
2715 /* The global object is destroyed at wl_display_destroy() time. */
2718 pointer_unmap_sprite(seat);
2720 if (seat->xkb_state.state != NULL)
2721 xkb_state_unref(seat->xkb_state.state);
2722 xkb_info_destroy(&seat->xkb_info);
2724 wl_seat_release(&seat->seat);
2728 drag_surface_configure(struct weston_surface *es, int32_t sx, int32_t sy, int32_t width, int32_t height)
2730 empty_region(&es->pending.input);
2732 weston_surface_configure(es,
2733 es->geometry.x + sx, es->geometry.y + sy,
2738 device_setup_new_drag_surface(struct weston_seat *ws,
2739 struct weston_surface *surface)
2741 struct wl_seat *seat = &ws->seat;
2743 if (surface->configure) {
2744 wl_resource_post_error(&surface->surface.resource,
2745 WL_DISPLAY_ERROR_INVALID_OBJECT,
2746 "surface->configure already set");
2750 ws->drag_surface = surface;
2752 weston_surface_set_position(ws->drag_surface,
2753 wl_fixed_to_double(seat->pointer->x),
2754 wl_fixed_to_double(seat->pointer->y));
2756 surface->configure = drag_surface_configure;
2758 wl_signal_add(&surface->surface.resource.destroy_signal,
2759 &ws->drag_surface_destroy_listener);
2765 device_release_drag_surface(struct weston_seat *seat)
2767 if (weston_surface_is_mapped(seat->drag_surface))
2768 weston_surface_unmap(seat->drag_surface);
2770 seat->drag_surface->configure = NULL;
2771 empty_region(&seat->drag_surface->pending.input);
2772 wl_list_remove(&seat->drag_surface_destroy_listener.link);
2773 seat->drag_surface = NULL;
2777 device_map_drag_surface(struct weston_seat *seat)
2779 struct wl_list *list;
2781 if (weston_surface_is_mapped(seat->drag_surface) ||
2782 !seat->drag_surface->buffer_ref.buffer)
2785 if (seat->sprite && weston_surface_is_mapped(seat->sprite))
2786 list = &seat->sprite->layer_link;
2788 list = &seat->compositor->cursor_layer.surface_list;
2790 wl_list_insert(list, &seat->drag_surface->layer_link);
2791 weston_surface_update_transform(seat->drag_surface);
2792 empty_region(&seat->drag_surface->input);
2796 weston_seat_update_drag_surface(struct weston_seat *seat,
2799 int surface_changed = 0;
2801 if (!seat->drag_surface && !seat->seat.drag_surface)
2804 if (seat->drag_surface && seat->seat.drag_surface &&
2805 (&seat->drag_surface->surface.resource !=
2806 &seat->seat.drag_surface->resource))
2807 /* between calls to this funcion we got a new drag_surface */
2808 surface_changed = 1;
2810 if (!seat->seat.drag_surface || surface_changed) {
2811 device_release_drag_surface(seat);
2812 if (!surface_changed)
2816 if (!seat->drag_surface || surface_changed) {
2817 struct weston_surface *surface = (struct weston_surface *)
2818 seat->seat.drag_surface;
2819 if (!device_setup_new_drag_surface(seat, surface))
2823 /* the client may not have attached a buffer to the drag surface
2824 * when we setup it up, so check if map is needed on every update */
2825 device_map_drag_surface(seat);
2830 weston_surface_set_position(seat->drag_surface,
2831 seat->drag_surface->geometry.x + wl_fixed_to_double(dx),
2832 seat->drag_surface->geometry.y + wl_fixed_to_double(dy));
2836 weston_compositor_update_drag_surfaces(struct weston_compositor *compositor)
2838 struct weston_seat *seat;
2840 wl_list_for_each(seat, &compositor->seat_list, link)
2841 weston_seat_update_drag_surface(seat, 0, 0);
2845 bind_output(struct wl_client *client,
2846 void *data, uint32_t version, uint32_t id)
2848 struct weston_output *output = data;
2849 struct weston_mode *mode;
2850 struct wl_resource *resource;
2852 resource = wl_client_add_object(client,
2853 &wl_output_interface, NULL, id, data);
2855 wl_list_insert(&output->resource_list, &resource->link);
2856 resource->destroy = unbind_resource;
2858 wl_output_send_geometry(resource,
2864 output->make, output->model,
2867 wl_list_for_each (mode, &output->mode_list, link) {
2868 wl_output_send_mode(resource,
2877 weston_output_destroy(struct weston_output *output)
2879 struct weston_compositor *c = output->compositor;
2881 pixman_region32_fini(&output->region);
2882 pixman_region32_fini(&output->previous_damage);
2883 output->compositor->output_id_pool &= ~(1 << output->id);
2885 wl_display_remove_global(c->wl_display, output->global);
2889 weston_output_compute_transform(struct weston_output *output)
2891 struct weston_matrix transform;
2894 weston_matrix_init(&transform);
2895 transform.type = WESTON_MATRIX_TRANSFORM_ROTATE;
2897 switch(output->transform) {
2898 case WL_OUTPUT_TRANSFORM_FLIPPED:
2899 case WL_OUTPUT_TRANSFORM_FLIPPED_90:
2900 case WL_OUTPUT_TRANSFORM_FLIPPED_180:
2901 case WL_OUTPUT_TRANSFORM_FLIPPED_270:
2902 transform.type |= WESTON_MATRIX_TRANSFORM_OTHER;
2910 switch(output->transform) {
2911 case WL_OUTPUT_TRANSFORM_NORMAL:
2912 case WL_OUTPUT_TRANSFORM_FLIPPED:
2913 transform.d[0] = flip;
2918 case WL_OUTPUT_TRANSFORM_90:
2919 case WL_OUTPUT_TRANSFORM_FLIPPED_90:
2921 transform.d[1] = -flip;
2925 case WL_OUTPUT_TRANSFORM_180:
2926 case WL_OUTPUT_TRANSFORM_FLIPPED_180:
2927 transform.d[0] = -flip;
2930 transform.d[5] = -1;
2932 case WL_OUTPUT_TRANSFORM_270:
2933 case WL_OUTPUT_TRANSFORM_FLIPPED_270:
2935 transform.d[1] = flip;
2936 transform.d[4] = -1;
2943 weston_matrix_multiply(&output->matrix, &transform);
2947 weston_output_update_matrix(struct weston_output *output)
2949 float magnification;
2950 struct weston_matrix camera;
2951 struct weston_matrix modelview;
2953 weston_matrix_init(&output->matrix);
2954 weston_matrix_translate(&output->matrix,
2955 -(output->x + (output->border.right + output->width - output->border.left) / 2.0),
2956 -(output->y + (output->border.bottom + output->height - output->border.top) / 2.0), 0);
2958 weston_matrix_scale(&output->matrix,
2959 2.0 / (output->width + output->border.left + output->border.right),
2960 -2.0 / (output->height + output->border.top + output->border.bottom), 1);
2962 weston_output_compute_transform(output);
2964 if (output->zoom.active) {
2965 magnification = 1 / (1 - output->zoom.spring_z.current);
2966 weston_matrix_init(&camera);
2967 weston_matrix_init(&modelview);
2968 weston_output_update_zoom(output, output->zoom.type);
2969 weston_matrix_translate(&camera, output->zoom.trans_x,
2970 -output->zoom.trans_y, 0);
2971 weston_matrix_invert(&modelview, &camera);
2972 weston_matrix_scale(&modelview, magnification, magnification, 1.0);
2973 weston_matrix_multiply(&output->matrix, &modelview);
2980 weston_output_transform_init(struct weston_output *output, uint32_t transform)
2982 output->transform = transform;
2984 switch (transform) {
2985 case WL_OUTPUT_TRANSFORM_90:
2986 case WL_OUTPUT_TRANSFORM_270:
2987 case WL_OUTPUT_TRANSFORM_FLIPPED_90:
2988 case WL_OUTPUT_TRANSFORM_FLIPPED_270:
2989 /* Swap width and height */
2990 output->width = output->current->height;
2991 output->height = output->current->width;
2993 case WL_OUTPUT_TRANSFORM_NORMAL:
2994 case WL_OUTPUT_TRANSFORM_180:
2995 case WL_OUTPUT_TRANSFORM_FLIPPED:
2996 case WL_OUTPUT_TRANSFORM_FLIPPED_180:
2997 output->width = output->current->width;
2998 output->height = output->current->height;
3006 weston_output_move(struct weston_output *output, int x, int y)
3011 pixman_region32_init(&output->previous_damage);
3012 pixman_region32_init_rect(&output->region, x, y,
3018 weston_output_init(struct weston_output *output, struct weston_compositor *c,
3019 int x, int y, int width, int height, uint32_t transform)
3021 output->compositor = c;
3024 output->border.top = 0;
3025 output->border.bottom = 0;
3026 output->border.left = 0;
3027 output->border.right = 0;
3028 output->mm_width = width;
3029 output->mm_height = height;
3032 weston_output_transform_init(output, transform);
3033 weston_output_init_zoom(output);
3035 weston_output_move(output, x, y);
3036 weston_output_damage(output);
3038 wl_signal_init(&output->frame_signal);
3039 wl_list_init(&output->animation_list);
3040 wl_list_init(&output->resource_list);
3042 output->id = ffs(~output->compositor->output_id_pool) - 1;
3043 output->compositor->output_id_pool |= 1 << output->id;
3046 wl_display_add_global(c->wl_display, &wl_output_interface,
3047 output, bind_output);
3051 compositor_bind(struct wl_client *client,
3052 void *data, uint32_t version, uint32_t id)
3054 struct weston_compositor *compositor = data;
3056 wl_client_add_object(client, &wl_compositor_interface,
3057 &compositor_interface, id, compositor);
3063 struct utsname usys;
3067 weston_log("OS: %s, %s, %s, %s\n", usys.sysname, usys.release,
3068 usys.version, usys.machine);
3072 weston_environment_get_fd(const char *env)
3080 fd = strtol(e, &end, 0);
3084 flags = fcntl(fd, F_GETFD);
3088 fcntl(fd, F_SETFD, flags | FD_CLOEXEC);
3095 weston_compositor_init(struct weston_compositor *ec,
3096 struct wl_display *display,
3097 int *argc, char *argv[],
3098 const char *config_file)
3100 struct wl_event_loop *loop;
3101 struct xkb_rule_names xkb_names;
3102 const struct config_key keyboard_config_keys[] = {
3103 { "keymap_rules", CONFIG_KEY_STRING, &xkb_names.rules },
3104 { "keymap_model", CONFIG_KEY_STRING, &xkb_names.model },
3105 { "keymap_layout", CONFIG_KEY_STRING, &xkb_names.layout },
3106 { "keymap_variant", CONFIG_KEY_STRING, &xkb_names.variant },
3107 { "keymap_options", CONFIG_KEY_STRING, &xkb_names.options },
3109 const struct config_section cs[] = {
3111 keyboard_config_keys, ARRAY_LENGTH(keyboard_config_keys) },
3114 memset(&xkb_names, 0, sizeof(xkb_names));
3115 parse_config_file(config_file, cs, ARRAY_LENGTH(cs), ec);
3117 ec->wl_display = display;
3118 wl_signal_init(&ec->destroy_signal);
3119 wl_signal_init(&ec->activate_signal);
3120 wl_signal_init(&ec->kill_signal);
3121 wl_signal_init(&ec->idle_signal);
3122 wl_signal_init(&ec->wake_signal);
3123 wl_signal_init(&ec->show_input_panel_signal);
3124 wl_signal_init(&ec->hide_input_panel_signal);
3125 wl_signal_init(&ec->seat_created_signal);
3126 ec->launcher_sock = weston_environment_get_fd("WESTON_LAUNCHER_SOCK");
3128 ec->output_id_pool = 0;
3130 if (!wl_display_add_global(display, &wl_compositor_interface,
3131 ec, compositor_bind))
3134 wl_list_init(&ec->surface_list);
3135 wl_list_init(&ec->plane_list);
3136 wl_list_init(&ec->layer_list);
3137 wl_list_init(&ec->seat_list);
3138 wl_list_init(&ec->output_list);
3139 wl_list_init(&ec->key_binding_list);
3140 wl_list_init(&ec->button_binding_list);
3141 wl_list_init(&ec->axis_binding_list);
3142 wl_list_init(&ec->debug_binding_list);
3144 weston_plane_init(&ec->primary_plane, 0, 0);
3145 weston_compositor_stack_plane(ec, &ec->primary_plane, NULL);
3147 if (weston_compositor_xkb_init(ec, &xkb_names) < 0)
3150 ec->ping_handler = NULL;
3152 screenshooter_create(ec);
3153 text_cursor_position_notifier_create(ec);
3154 text_backend_init(ec);
3156 wl_data_device_manager_init(ec->wl_display);
3158 wl_display_init_shm(display);
3160 loop = wl_display_get_event_loop(ec->wl_display);
3161 ec->idle_source = wl_event_loop_add_timer(loop, idle_handler, ec);
3162 wl_event_source_timer_update(ec->idle_source, ec->idle_time * 1000);
3164 ec->input_loop = wl_event_loop_create();
3166 weston_layer_init(&ec->fade_layer, &ec->layer_list);
3167 weston_layer_init(&ec->cursor_layer, &ec->fade_layer.link);
3169 weston_compositor_schedule_repaint(ec);
3175 weston_compositor_shutdown(struct weston_compositor *ec)
3177 struct weston_output *output, *next;
3179 wl_event_source_remove(ec->idle_source);
3180 if (ec->input_loop_source)
3181 wl_event_source_remove(ec->input_loop_source);
3183 /* Destroy all outputs associated with this compositor */
3184 wl_list_for_each_safe(output, next, &ec->output_list, link)
3185 output->destroy(output);
3187 weston_binding_list_destroy_all(&ec->key_binding_list);
3188 weston_binding_list_destroy_all(&ec->button_binding_list);
3189 weston_binding_list_destroy_all(&ec->axis_binding_list);
3190 weston_binding_list_destroy_all(&ec->debug_binding_list);
3192 weston_plane_release(&ec->primary_plane);
3194 wl_array_release(&ec->vertices);
3195 wl_array_release(&ec->indices);
3196 wl_array_release(&ec->vtxcnt);
3198 wl_event_loop_destroy(ec->input_loop);
3202 weston_version(int *major, int *minor, int *micro)
3204 *major = WESTON_VERSION_MAJOR;
3205 *minor = WESTON_VERSION_MINOR;
3206 *micro = WESTON_VERSION_MICRO;
3209 static int on_term_signal(int signal_number, void *data)
3211 struct wl_display *display = data;
3213 weston_log("caught signal %d\n", signal_number);
3214 wl_display_terminate(display);
3219 #ifdef HAVE_LIBUNWIND
3222 print_backtrace(void)
3224 unw_cursor_t cursor;
3225 unw_context_t context;
3227 unw_proc_info_t pip;
3230 const char *filename;
3233 pip.unwind_info = NULL;
3234 ret = unw_getcontext(&context);
3236 weston_log("unw_getcontext: %d\n", ret);
3240 ret = unw_init_local(&cursor, &context);
3242 weston_log("unw_init_local: %d\n", ret);
3246 ret = unw_step(&cursor);
3248 ret = unw_get_proc_info(&cursor, &pip);
3250 weston_log("unw_get_proc_info: %d\n", ret);
3254 ret = unw_get_proc_name(&cursor, procname, 256, &off);
3255 if (ret && ret != -UNW_ENOMEM) {
3256 if (ret != -UNW_EUNSPEC)
3257 weston_log("unw_get_proc_name: %d\n", ret);
3262 if (dladdr((void *)(pip.start_ip + off), &dlinfo) && dlinfo.dli_fname &&
3264 filename = dlinfo.dli_fname;
3268 weston_log("%u: %s (%s%s+0x%x) [%p]\n", i++, filename, procname,
3269 ret == -UNW_ENOMEM ? "..." : "", (int)off, (void *)(pip.start_ip + off));
3271 ret = unw_step(&cursor);
3273 weston_log("unw_step: %d\n", ret);
3280 print_backtrace(void)
3286 count = backtrace(buffer, ARRAY_LENGTH(buffer));
3287 for (i = 0; i < count; i++) {
3288 dladdr(buffer[i], &info);
3289 weston_log(" [%016lx] %s (%s)\n",
3291 info.dli_sname ? info.dli_sname : "--",
3299 on_segv_signal(int s, siginfo_t *siginfo, void *context)
3301 /* This SIGSEGV handler will do a best-effort backtrace, and
3302 * then call the backend restore function, which will switch
3303 * back to the vt we launched from or ungrab X etc and then
3304 * raise SIGTRAP. If we run weston under gdb from X or a
3305 * different vt, and tell gdb "handle SIGSEGV nostop", this
3306 * will allow weston to switch back to gdb on crash and then
3307 * gdb will catch the crash with SIGTRAP. */
3309 weston_log("caught segv\n");
3313 segv_compositor->restore(segv_compositor);
3320 load_module(const char *name, const char *entrypoint)
3322 char path[PATH_MAX];
3323 void *module, *init;
3326 snprintf(path, sizeof path, "%s/%s", MODULEDIR, name);
3328 snprintf(path, sizeof path, "%s", name);
3330 module = dlopen(path, RTLD_NOW | RTLD_NOLOAD);
3332 weston_log("Module '%s' already loaded\n", path);
3337 weston_log("Loading module '%s'\n", path);
3338 module = dlopen(path, RTLD_NOW);
3340 weston_log("Failed to load module: %s\n", dlerror());
3344 init = dlsym(module, entrypoint);
3346 weston_log("Failed to lookup init function: %s\n", dlerror());
3355 load_modules(struct weston_compositor *ec, const char *modules,
3356 int *argc, char *argv[], const char *config_file)
3358 const char *p, *end;
3360 int (*module_init)(struct weston_compositor *ec,
3361 int *argc, char *argv[], const char *config_file);
3363 if (modules == NULL)
3368 end = strchrnul(p, ',');
3369 snprintf(buffer, sizeof buffer, "%.*s", (int) (end - p), p);
3370 module_init = load_module(buffer, "module_init");
3372 module_init(ec, argc, argv, config_file);
3382 static const char xdg_error_message[] =
3383 "fatal: environment variable XDG_RUNTIME_DIR is not set.\n";
3385 static const char xdg_wrong_message[] =
3386 "fatal: environment variable XDG_RUNTIME_DIR\n"
3387 "is set to \"%s\", which is not a directory.\n";
3389 static const char xdg_wrong_mode_message[] =
3390 "warning: XDG_RUNTIME_DIR \"%s\" is not configured\n"
3391 "correctly. Unix access mode must be 0700 but is %o,\n"
3392 "and XDG_RUNTIME_DIR must be owned by the user, but is\n"
3393 "owned by UID %d.\n";
3395 static const char xdg_detail_message[] =
3396 "Refer to your distribution on how to get it, or\n"
3397 "http://www.freedesktop.org/wiki/Specifications/basedir-spec\n"
3398 "on how to implement it.\n";
3401 verify_xdg_runtime_dir(void)
3403 char *dir = getenv("XDG_RUNTIME_DIR");
3407 weston_log(xdg_error_message);
3408 weston_log_continue(xdg_detail_message);
3412 if (stat(dir, &s) || !S_ISDIR(s.st_mode)) {
3413 weston_log(xdg_wrong_message, dir);
3414 weston_log_continue(xdg_detail_message);
3418 if ((s.st_mode & 0777) != 0700 || s.st_uid != getuid()) {
3419 weston_log(xdg_wrong_mode_message,
3420 dir, s.st_mode & 0777, s.st_uid);
3421 weston_log_continue(xdg_detail_message);
3426 usage(int error_code)
3429 "Usage: weston [OPTIONS]\n\n"
3430 "This is weston version " VERSION ", the Wayland reference compositor.\n"
3431 "Weston supports multiple backends, and depending on which backend is in use\n"
3432 "different options will be accepted.\n\n"
3436 " --version\t\tPrint weston version\n"
3437 " -B, --backend=MODULE\tBackend module, one of drm-backend.so,\n"
3438 "\t\t\t\tx11-backend.so or wayland-backend.so\n"
3439 " -S, --socket=NAME\tName of socket to listen on\n"
3440 " -i, --idle-time=SECS\tIdle time in seconds\n"
3441 " --modules\t\tLoad the comma-separated list of modules\n"
3442 " --log==FILE\t\tLog to the given file\n"
3443 " -h, --help\t\tThis help message\n\n");
3446 "Options for drm-backend.so:\n\n"
3447 " --connector=ID\tBring up only this connector\n"
3448 " --seat=SEAT\t\tThe seat that weston should run on\n"
3449 " --tty=TTY\t\tThe tty to use\n"
3450 " --use-pixman\t\tUse the pixman (CPU) renderer\n"
3451 " --current-mode\tPrefer current KMS mode over EDID preferred mode\n\n");
3454 "Options for x11-backend.so:\n\n"
3455 " --width=WIDTH\t\tWidth of X window\n"
3456 " --height=HEIGHT\tHeight of X window\n"
3457 " --fullscreen\t\tRun in fullscreen mode\n"
3458 " --use-pixman\t\tUse the pixman (CPU) renderer\n"
3459 " --output-count=COUNT\tCreate multiple outputs\n"
3460 " --no-input\t\tDont create input devices\n\n");
3463 "Options for wayland-backend.so:\n\n"
3464 " --width=WIDTH\t\tWidth of Wayland surface\n"
3465 " --height=HEIGHT\tHeight of Wayland surface\n"
3466 " --display=DISPLAY\tWayland display to connect to\n\n");
3471 int main(int argc, char *argv[])
3473 int ret = EXIT_SUCCESS;
3474 struct wl_display *display;
3475 struct weston_compositor *ec;
3476 struct wl_event_source *signals[4];
3477 struct wl_event_loop *loop;
3478 struct sigaction segv_action;
3479 struct weston_compositor
3480 *(*backend_init)(struct wl_display *display,
3481 int *argc, char *argv[], const char *config_file);
3483 char *backend = NULL;
3484 const char *modules = "desktop-shell.so", *option_modules = NULL;
3486 int32_t idle_time = 300;
3488 char *socket_name = "wayland-0";
3489 int32_t version = 0;
3492 const struct config_key core_config_keys[] = {
3493 { "modules", CONFIG_KEY_STRING, &modules },
3496 const struct config_section cs[] = {
3498 core_config_keys, ARRAY_LENGTH(core_config_keys) },
3501 const struct weston_option core_options[] = {
3502 { WESTON_OPTION_STRING, "backend", 'B', &backend },
3503 { WESTON_OPTION_STRING, "socket", 'S', &socket_name },
3504 { WESTON_OPTION_INTEGER, "idle-time", 'i', &idle_time },
3505 { WESTON_OPTION_STRING, "modules", 0, &option_modules },
3506 { WESTON_OPTION_STRING, "log", 0, &log },
3507 { WESTON_OPTION_BOOLEAN, "help", 'h', &help },
3508 { WESTON_OPTION_BOOLEAN, "version", 0, &version },
3511 parse_options(core_options, ARRAY_LENGTH(core_options), &argc, argv);
3514 usage(EXIT_SUCCESS);
3517 printf(PACKAGE_STRING "\n");
3518 return EXIT_SUCCESS;
3521 weston_log_file_open(log);
3525 STAMP_SPACE "Bug reports to: %s\n"
3526 STAMP_SPACE "Build: %s\n",
3527 PACKAGE_STRING, PACKAGE_URL, PACKAGE_BUGREPORT,
3531 verify_xdg_runtime_dir();
3533 display = wl_display_create();
3535 loop = wl_display_get_event_loop(display);
3536 signals[0] = wl_event_loop_add_signal(loop, SIGTERM, on_term_signal,
3538 signals[1] = wl_event_loop_add_signal(loop, SIGINT, on_term_signal,
3540 signals[2] = wl_event_loop_add_signal(loop, SIGQUIT, on_term_signal,
3543 wl_list_init(&child_process_list);
3544 signals[3] = wl_event_loop_add_signal(loop, SIGCHLD, sigchld_handler,
3548 if (getenv("WAYLAND_DISPLAY"))
3549 backend = "wayland-backend.so";
3550 else if (getenv("DISPLAY"))
3551 backend = "x11-backend.so";
3553 backend = WESTON_NATIVE_BACKEND;
3556 config_file = config_file_path("weston.ini");
3557 parse_config_file(config_file, cs, ARRAY_LENGTH(cs), NULL);
3559 backend_init = load_module(backend, "backend_init");
3563 ec = backend_init(display, &argc, argv, config_file);
3565 weston_log("fatal: failed to create compositor\n");
3569 segv_action.sa_flags = SA_SIGINFO | SA_RESETHAND;
3570 segv_action.sa_sigaction = on_segv_signal;
3571 sigemptyset(&segv_action.sa_mask);
3572 sigaction(SIGSEGV, &segv_action, NULL);
3573 segv_compositor = ec;
3575 ec->option_idle_time = idle_time;
3576 ec->idle_time = idle_time;
3578 setenv("WAYLAND_DISPLAY", socket_name, 1);
3580 if (load_modules(ec, modules, &argc, argv, config_file) < 0)
3582 if (load_modules(ec, option_modules, &argc, argv, config_file) < 0)
3587 for (i = 1; i < argc; i++)
3588 weston_log("fatal: unhandled option: %s\n", argv[i]);
3594 if (wl_display_add_socket(display, socket_name)) {
3595 weston_log("fatal: failed to add socket: %m\n");
3600 weston_compositor_wake(ec);
3602 wl_display_run(display);
3605 /* prevent further rendering while shutting down */
3606 ec->state = WESTON_COMPOSITOR_SLEEPING;
3608 wl_signal_emit(&ec->destroy_signal, ec);
3610 for (i = ARRAY_LENGTH(signals); i;)
3611 wl_event_source_remove(signals[--i]);
3613 weston_compositor_xkb_destroy(ec);
3616 wl_display_destroy(display);
3618 weston_log_file_close();