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.
36 #include <sys/ioctl.h>
38 #include <sys/types.h>
39 #include <sys/socket.h>
43 #include <linux/input.h>
49 #include <wayland-server.h>
50 #include "compositor.h"
52 static struct wl_list child_process_list;
53 static jmp_buf segv_jmp_buf;
56 sigchld_handler(int signal_number, void *data)
58 struct weston_process *p;
62 pid = waitpid(-1, &status, WNOHANG);
66 wl_list_for_each(p, &child_process_list, link) {
71 if (&p->link == &child_process_list) {
72 fprintf(stderr, "unknown child process exited\n");
76 wl_list_remove(&p->link);
77 p->cleanup(p, status);
83 weston_output_switch_mode(struct weston_output *output, struct weston_mode *mode)
85 if (!output->switch_mode)
88 return output->switch_mode(output, mode);
92 weston_watch_process(struct weston_process *process)
94 wl_list_insert(&child_process_list, &process->link);
98 child_client_exec(int sockfd, const char *path)
104 /* do not give our signal mask to the new process */
105 sigfillset(&allsigs);
106 sigprocmask(SIG_UNBLOCK, &allsigs, NULL);
108 /* Launch clients as the user. */
111 /* SOCK_CLOEXEC closes both ends, so we dup the fd to get a
112 * non-CLOEXEC fd to pass through exec. */
113 clientfd = dup(sockfd);
114 if (clientfd == -1) {
115 fprintf(stderr, "compositor: dup failed: %m\n");
119 snprintf(s, sizeof s, "%d", clientfd);
120 setenv("WAYLAND_SOCKET", s, 1);
122 if (execl(path, path, NULL) < 0)
123 fprintf(stderr, "compositor: executing '%s' failed: %m\n",
127 WL_EXPORT struct wl_client *
128 weston_client_launch(struct weston_compositor *compositor,
129 struct weston_process *proc,
131 weston_process_cleanup_func_t cleanup)
135 struct wl_client *client;
137 if (socketpair(AF_UNIX, SOCK_STREAM | SOCK_CLOEXEC, 0, sv) < 0) {
138 fprintf(stderr, "weston_client_launch: "
139 "socketpair failed while launching '%s': %m\n",
148 fprintf(stderr, "weston_client_launch: "
149 "fork failed while launching '%s': %m\n", path);
154 child_client_exec(sv[1], path);
160 client = wl_client_create(compositor->wl_display, sv[0]);
163 fprintf(stderr, "weston_client_launch: "
164 "wl_client_create failed while launching '%s'.\n",
170 proc->cleanup = cleanup;
171 weston_watch_process(proc);
177 surface_handle_buffer_destroy(struct wl_listener *listener, void *data)
179 struct weston_surface *es =
180 container_of(listener, struct weston_surface,
181 buffer_destroy_listener);
186 static const pixman_region32_data_t undef_region_data;
189 undef_region(pixman_region32_t *region)
191 pixman_region32_fini(region);
192 region->data = (pixman_region32_data_t *) &undef_region_data;
196 region_is_undefined(pixman_region32_t *region)
198 return region->data == &undef_region_data;
202 empty_region(pixman_region32_t *region)
204 if (!region_is_undefined(region))
205 pixman_region32_fini(region);
207 pixman_region32_init(region);
210 WL_EXPORT struct weston_surface *
211 weston_surface_create(struct weston_compositor *compositor)
213 struct weston_surface *surface;
215 surface = calloc(1, sizeof *surface);
219 wl_signal_init(&surface->surface.resource.destroy_signal);
221 wl_list_init(&surface->link);
222 wl_list_init(&surface->layer_link);
224 surface->surface.resource.client = NULL;
226 surface->compositor = compositor;
227 surface->image = EGL_NO_IMAGE_KHR;
228 surface->alpha = 255;
229 surface->brightness = 255;
230 surface->saturation = 255;
233 surface->buffer = NULL;
234 surface->output = NULL;
236 pixman_region32_init(&surface->damage);
237 pixman_region32_init(&surface->opaque);
238 pixman_region32_init(&surface->clip);
239 undef_region(&surface->input);
240 pixman_region32_init(&surface->transform.opaque);
241 wl_list_init(&surface->frame_callback_list);
243 surface->buffer_destroy_listener.notify =
244 surface_handle_buffer_destroy;
246 wl_list_init(&surface->geometry.transformation_list);
247 wl_list_insert(&surface->geometry.transformation_list,
248 &surface->transform.position.link);
249 weston_matrix_init(&surface->transform.position.matrix);
250 pixman_region32_init(&surface->transform.boundingbox);
251 surface->geometry.dirty = 1;
257 weston_surface_set_color(struct weston_surface *surface,
258 GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha)
260 surface->color[0] = red;
261 surface->color[1] = green;
262 surface->color[2] = blue;
263 surface->color[3] = alpha;
264 surface->shader = &surface->compositor->solid_shader;
268 surface_to_global_float(struct weston_surface *surface,
269 GLfloat sx, GLfloat sy, GLfloat *x, GLfloat *y)
271 if (surface->transform.enabled) {
272 struct weston_vector v = { { sx, sy, 0.0f, 1.0f } };
274 weston_matrix_transform(&surface->transform.matrix, &v);
276 if (fabsf(v.f[3]) < 1e-6) {
277 fprintf(stderr, "warning: numerical instability in "
278 "weston_surface_to_global(), divisor = %g\n",
285 *x = v.f[0] / v.f[3];
286 *y = v.f[1] / v.f[3];
288 *x = sx + surface->geometry.x;
289 *y = sy + surface->geometry.y;
294 weston_surface_damage_below(struct weston_surface *surface)
296 struct weston_compositor *compositor = surface->compositor;
297 pixman_region32_t damage;
299 pixman_region32_init(&damage);
300 pixman_region32_subtract(&damage, &surface->transform.boundingbox,
302 pixman_region32_union(&compositor->damage,
303 &compositor->damage, &damage);
304 pixman_region32_fini(&damage);
308 surface_compute_bbox(struct weston_surface *surface, int32_t sx, int32_t sy,
309 int32_t width, int32_t height,
310 pixman_region32_t *bbox)
312 GLfloat min_x = HUGE_VALF, min_y = HUGE_VALF;
313 GLfloat max_x = -HUGE_VALF, max_y = -HUGE_VALF;
318 { sx + width, sy + height }
320 GLfloat int_x, int_y;
323 for (i = 0; i < 4; ++i) {
325 surface_to_global_float(surface, s[i][0], s[i][1], &x, &y);
336 int_x = floorf(min_x);
337 int_y = floorf(min_y);
338 pixman_region32_init_rect(bbox, int_x, int_y,
339 ceilf(max_x) - int_x, ceilf(max_y) - int_y);
343 weston_surface_update_transform_disable(struct weston_surface *surface)
345 surface->transform.enabled = 0;
347 /* round off fractions when not transformed */
348 surface->geometry.x = roundf(surface->geometry.x);
349 surface->geometry.y = roundf(surface->geometry.y);
351 pixman_region32_init_rect(&surface->transform.boundingbox,
354 surface->geometry.width,
355 surface->geometry.height);
357 if (surface->alpha == 255) {
358 pixman_region32_copy(&surface->transform.opaque,
360 pixman_region32_translate(&surface->transform.opaque,
362 surface->geometry.y);
367 weston_surface_update_transform_enable(struct weston_surface *surface)
369 struct weston_matrix *matrix = &surface->transform.matrix;
370 struct weston_matrix *inverse = &surface->transform.inverse;
371 struct weston_transform *tform;
373 surface->transform.enabled = 1;
375 /* Otherwise identity matrix, but with x and y translation. */
376 surface->transform.position.matrix.d[12] = surface->geometry.x;
377 surface->transform.position.matrix.d[13] = surface->geometry.y;
379 weston_matrix_init(matrix);
380 wl_list_for_each(tform, &surface->geometry.transformation_list, link)
381 weston_matrix_multiply(matrix, &tform->matrix);
383 if (weston_matrix_invert(inverse, matrix) < 0) {
384 /* Oops, bad total transformation, not invertible */
385 fprintf(stderr, "error: weston_surface %p"
386 " transformation not invertible.\n", surface);
390 surface_compute_bbox(surface, 0, 0, surface->geometry.width,
391 surface->geometry.height,
392 &surface->transform.boundingbox);
398 weston_surface_update_transform(struct weston_surface *surface)
400 if (!surface->geometry.dirty)
403 surface->geometry.dirty = 0;
405 weston_surface_damage_below(surface);
407 pixman_region32_fini(&surface->transform.boundingbox);
408 pixman_region32_fini(&surface->transform.opaque);
409 pixman_region32_init(&surface->transform.opaque);
411 if (region_is_undefined(&surface->input))
412 pixman_region32_init_rect(&surface->input, 0, 0,
413 surface->geometry.width,
414 surface->geometry.height);
416 /* transform.position is always in transformation_list */
417 if (surface->geometry.transformation_list.next ==
418 &surface->transform.position.link &&
419 surface->geometry.transformation_list.prev ==
420 &surface->transform.position.link) {
421 weston_surface_update_transform_disable(surface);
423 if (weston_surface_update_transform_enable(surface) < 0)
424 weston_surface_update_transform_disable(surface);
427 /* weston_surface_damage() without update */
428 pixman_region32_union(&surface->damage, &surface->damage,
429 &surface->transform.boundingbox);
431 if (weston_surface_is_mapped(surface))
432 weston_surface_assign_output(surface);
434 weston_compositor_schedule_repaint(surface->compositor);
438 weston_surface_to_global_float(struct weston_surface *surface,
439 GLfloat sx, GLfloat sy, GLfloat *x, GLfloat *y)
441 weston_surface_update_transform(surface);
443 surface_to_global_float(surface, sx, sy, x, y);
447 weston_surface_to_global_fixed(struct weston_surface *surface,
448 wl_fixed_t sx, wl_fixed_t sy,
449 wl_fixed_t *x, wl_fixed_t *y)
453 weston_surface_to_global_float(surface,
454 wl_fixed_to_double(sx),
455 wl_fixed_to_double(sy),
457 *x = wl_fixed_from_double(xf);
458 *y = wl_fixed_from_double(yf);
462 weston_surface_to_global(struct weston_surface *surface,
463 int32_t sx, int32_t sy, int32_t *x, int32_t *y)
467 weston_surface_to_global_float(surface, sx, sy, &xf, &yf);
473 surface_from_global_float(struct weston_surface *surface,
474 GLfloat x, GLfloat y, GLfloat *sx, GLfloat *sy)
476 if (surface->transform.enabled) {
477 struct weston_vector v = { { x, y, 0.0f, 1.0f } };
479 weston_matrix_transform(&surface->transform.inverse, &v);
481 if (fabsf(v.f[3]) < 1e-6) {
482 fprintf(stderr, "warning: numerical instability in "
483 "weston_surface_from_global(), divisor = %g\n",
490 *sx = v.f[0] / v.f[3];
491 *sy = v.f[1] / v.f[3];
493 *sx = x - surface->geometry.x;
494 *sy = y - surface->geometry.y;
499 weston_surface_from_global_fixed(struct weston_surface *surface,
500 wl_fixed_t x, wl_fixed_t y,
501 wl_fixed_t *sx, wl_fixed_t *sy)
505 weston_surface_update_transform(surface);
507 surface_from_global_float(surface,
508 wl_fixed_to_double(x),
509 wl_fixed_to_double(y),
511 *sx = wl_fixed_from_double(sxf);
512 *sy = wl_fixed_from_double(syf);
516 weston_surface_from_global(struct weston_surface *surface,
517 int32_t x, int32_t y, int32_t *sx, int32_t *sy)
521 weston_surface_update_transform(surface);
523 surface_from_global_float(surface, x, y, &sxf, &syf);
529 weston_surface_damage_rectangle(struct weston_surface *surface,
530 int32_t sx, int32_t sy,
531 int32_t width, int32_t height)
533 weston_surface_update_transform(surface);
535 if (surface->transform.enabled) {
536 pixman_region32_t box;
537 surface_compute_bbox(surface, sx, sy, width, height, &box);
538 pixman_region32_union(&surface->damage, &surface->damage,
540 pixman_region32_fini(&box);
542 pixman_region32_union_rect(&surface->damage, &surface->damage,
543 surface->geometry.x + sx,
544 surface->geometry.y + sy,
548 weston_compositor_schedule_repaint(surface->compositor);
552 weston_surface_damage(struct weston_surface *surface)
554 weston_surface_update_transform(surface);
556 pixman_region32_union(&surface->damage, &surface->damage,
557 &surface->transform.boundingbox);
559 weston_compositor_schedule_repaint(surface->compositor);
563 weston_surface_configure(struct weston_surface *surface,
564 GLfloat x, GLfloat y, int width, int height)
566 surface->geometry.x = x;
567 surface->geometry.y = y;
568 surface->geometry.width = width;
569 surface->geometry.height = height;
570 surface->geometry.dirty = 1;
574 weston_surface_set_position(struct weston_surface *surface,
575 GLfloat x, GLfloat y)
577 surface->geometry.x = x;
578 surface->geometry.y = y;
579 surface->geometry.dirty = 1;
583 weston_surface_is_mapped(struct weston_surface *surface)
592 weston_compositor_get_time(void)
596 gettimeofday(&tv, NULL);
598 return tv.tv_sec * 1000 + tv.tv_usec / 1000;
601 static struct weston_surface *
602 weston_compositor_pick_surface(struct weston_compositor *compositor,
603 int32_t x, int32_t y, int32_t *sx, int32_t *sy)
605 struct weston_surface *surface;
607 wl_list_for_each(surface, &compositor->surface_list, link) {
608 weston_surface_from_global(surface, x, y, sx, sy);
609 if (pixman_region32_contains_point(&surface->input,
618 weston_device_repick(struct wl_input_device *device)
620 struct weston_input_device *wd = (struct weston_input_device *) device;
621 const struct wl_pointer_grab_interface *interface;
622 struct weston_surface *surface, *focus;
624 surface = weston_compositor_pick_surface(wd->compositor,
625 device->x, device->y,
629 if (&surface->surface != device->current) {
630 interface = device->pointer_grab->interface;
631 interface->focus(device->pointer_grab, &surface->surface,
632 device->current_x, device->current_y);
633 device->current = &surface->surface;
636 focus = (struct weston_surface *) device->pointer_grab->focus;
638 weston_surface_from_global(focus, device->x, device->y,
639 &device->pointer_grab->x, &device->pointer_grab->y);
643 weston_compositor_repick(struct weston_compositor *compositor)
645 struct weston_input_device *device;
647 if (!compositor->focus)
650 wl_list_for_each(device, &compositor->input_device_list, link)
651 weston_device_repick(&device->input_device);
655 weston_surface_unmap(struct weston_surface *surface)
657 struct wl_input_device *device = surface->compositor->input_device;
659 weston_surface_damage_below(surface);
660 surface->output = NULL;
661 wl_list_remove(&surface->link);
662 wl_list_remove(&surface->layer_link);
664 if (device->keyboard_focus == &surface->surface)
665 wl_input_device_set_keyboard_focus(device, NULL);
666 if (device->pointer_focus == &surface->surface)
667 wl_input_device_set_pointer_focus(device, NULL, 0, 0);
669 weston_compositor_schedule_repaint(surface->compositor);
673 destroy_surface(struct wl_resource *resource)
675 struct weston_surface *surface =
676 container_of(resource,
677 struct weston_surface, surface.resource);
678 struct weston_compositor *compositor = surface->compositor;
680 if (weston_surface_is_mapped(surface))
681 weston_surface_unmap(surface);
683 if (surface->texture)
684 glDeleteTextures(1, &surface->texture);
687 wl_list_remove(&surface->buffer_destroy_listener.link);
689 if (surface->image != EGL_NO_IMAGE_KHR)
690 compositor->destroy_image(compositor->display,
693 pixman_region32_fini(&surface->transform.boundingbox);
694 pixman_region32_fini(&surface->damage);
695 pixman_region32_fini(&surface->opaque);
696 pixman_region32_fini(&surface->clip);
697 if (!region_is_undefined(&surface->input))
698 pixman_region32_fini(&surface->input);
704 weston_surface_destroy(struct weston_surface *surface)
706 /* Not a valid way to destroy a client surface */
707 assert(surface->surface.resource.client == NULL);
709 destroy_surface(&surface->surface.resource);
713 weston_surface_attach(struct wl_surface *surface, struct wl_buffer *buffer)
715 struct weston_surface *es = (struct weston_surface *) surface;
716 struct weston_compositor *ec = es->compositor;
719 weston_buffer_post_release(es->buffer);
720 wl_list_remove(&es->buffer_destroy_listener.link);
726 if (weston_surface_is_mapped(es))
727 weston_surface_unmap(es);
731 buffer->busy_count++;
732 wl_signal_add(&es->buffer->resource.destroy_signal,
733 &es->buffer_destroy_listener);
735 if (es->geometry.width != buffer->width ||
736 es->geometry.height != buffer->height) {
737 undef_region(&es->input);
738 pixman_region32_fini(&es->opaque);
739 pixman_region32_init(&es->opaque);
743 glGenTextures(1, &es->texture);
744 glBindTexture(GL_TEXTURE_2D, es->texture);
745 glTexParameteri(GL_TEXTURE_2D,
746 GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
747 glTexParameteri(GL_TEXTURE_2D,
748 GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
749 es->shader = &ec->texture_shader;
751 glBindTexture(GL_TEXTURE_2D, es->texture);
754 if (wl_buffer_is_shm(buffer)) {
755 es->pitch = wl_shm_buffer_get_stride(buffer) / 4;
756 glTexImage2D(GL_TEXTURE_2D, 0, GL_BGRA_EXT,
757 es->pitch, es->buffer->height, 0,
758 GL_BGRA_EXT, GL_UNSIGNED_BYTE, NULL);
760 if (es->image != EGL_NO_IMAGE_KHR)
761 ec->destroy_image(ec->display, es->image);
762 es->image = ec->create_image(ec->display, NULL,
763 EGL_WAYLAND_BUFFER_WL,
766 ec->image_target_texture_2d(GL_TEXTURE_2D, es->image);
768 es->pitch = buffer->width;
773 texture_region(struct weston_surface *es, pixman_region32_t *region)
775 struct weston_compositor *ec = es->compositor;
776 GLfloat *v, inv_width, inv_height;
778 pixman_box32_t *rectangles;
782 rectangles = pixman_region32_rectangles(region, &n);
783 v = wl_array_add(&ec->vertices, n * 16 * sizeof *v);
784 p = wl_array_add(&ec->indices, n * 6 * sizeof *p);
785 inv_width = 1.0 / es->pitch;
786 inv_height = 1.0 / es->geometry.height;
788 for (i = 0; i < n; i++, v += 16, p += 6) {
789 surface_from_global_float(es, rectangles[i].x1,
790 rectangles[i].y1, &sx, &sy);
791 v[ 0] = rectangles[i].x1;
792 v[ 1] = rectangles[i].y1;
793 v[ 2] = sx * inv_width;
794 v[ 3] = sy * inv_height;
796 surface_from_global_float(es, rectangles[i].x1,
797 rectangles[i].y2, &sx, &sy);
798 v[ 4] = rectangles[i].x1;
799 v[ 5] = rectangles[i].y2;
800 v[ 6] = sx * inv_width;
801 v[ 7] = sy * inv_height;
803 surface_from_global_float(es, rectangles[i].x2,
804 rectangles[i].y1, &sx, &sy);
805 v[ 8] = rectangles[i].x2;
806 v[ 9] = rectangles[i].y1;
807 v[10] = sx * inv_width;
808 v[11] = sy * inv_height;
810 surface_from_global_float(es, rectangles[i].x2,
811 rectangles[i].y2, &sx, &sy);
812 v[12] = rectangles[i].x2;
813 v[13] = rectangles[i].y2;
814 v[14] = sx * inv_width;
815 v[15] = sy * inv_height;
829 weston_surface_draw(struct weston_surface *es, struct weston_output *output,
830 pixman_region32_t *damage)
832 struct weston_compositor *ec = es->compositor;
834 pixman_region32_t repaint;
838 pixman_region32_init(&repaint);
839 pixman_region32_intersect(&repaint,
840 &es->transform.boundingbox, damage);
841 pixman_region32_subtract(&repaint, &repaint, &es->clip);
843 if (!pixman_region32_not_empty(&repaint))
846 glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
849 if (ec->current_shader != es->shader) {
850 glUseProgram(es->shader->program);
851 ec->current_shader = es->shader;
854 glUniformMatrix4fv(es->shader->proj_uniform,
855 1, GL_FALSE, output->matrix.d);
856 glUniform1i(es->shader->tex_uniform, 0);
857 glUniform4fv(es->shader->color_uniform, 1, es->color);
858 glUniform1f(es->shader->alpha_uniform, es->alpha / 255.0);
859 glUniform1f(es->shader->brightness_uniform, es->brightness / 255.0);
860 glUniform1f(es->shader->saturation_uniform, es->saturation / 255.0);
861 glUniform1f(es->shader->texwidth_uniform,
862 (GLfloat)es->geometry.width / es->pitch);
864 if (es->transform.enabled || output->zoom.active)
869 n = texture_region(es, &repaint);
871 glBindTexture(GL_TEXTURE_2D, es->texture);
872 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, filter);
873 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, filter);
875 v = ec->vertices.data;
876 glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 4 * sizeof *v, &v[0]);
877 glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, 4 * sizeof *v, &v[2]);
878 glEnableVertexAttribArray(0);
879 glEnableVertexAttribArray(1);
881 glDrawElements(GL_TRIANGLES, n * 6, GL_UNSIGNED_INT, ec->indices.data);
883 glDisableVertexAttribArray(1);
884 glDisableVertexAttribArray(0);
886 ec->vertices.size = 0;
887 ec->indices.size = 0;
890 pixman_region32_fini(&repaint);
894 weston_surface_restack(struct weston_surface *surface, struct wl_list *below)
896 wl_list_remove(&surface->layer_link);
897 wl_list_insert(below, &surface->layer_link);
898 weston_surface_damage_below(surface);
899 weston_surface_damage(surface);
903 weston_compositor_damage_all(struct weston_compositor *compositor)
905 struct weston_output *output;
907 wl_list_for_each(output, &compositor->output_list, link)
908 weston_output_damage(output);
912 weston_buffer_post_release(struct wl_buffer *buffer)
914 if (--buffer->busy_count > 0)
917 assert(buffer->resource.client != NULL);
918 wl_resource_queue_event(&buffer->resource, WL_BUFFER_RELEASE);
922 weston_output_damage(struct weston_output *output)
924 struct weston_compositor *compositor = output->compositor;
926 pixman_region32_union(&compositor->damage,
927 &compositor->damage, &output->region);
928 weston_compositor_schedule_repaint(compositor);
932 fade_frame(struct weston_animation *animation,
933 struct weston_output *output, uint32_t msecs)
935 struct weston_compositor *compositor =
936 container_of(animation,
937 struct weston_compositor, fade.animation);
938 struct weston_surface *surface;
940 surface = compositor->fade.surface;
941 weston_spring_update(&compositor->fade.spring, msecs);
942 weston_surface_set_color(surface, 0.0, 0.0, 0.0,
943 compositor->fade.spring.current);
944 weston_surface_damage(surface);
946 if (weston_spring_done(&compositor->fade.spring)) {
947 compositor->fade.spring.current =
948 compositor->fade.spring.target;
949 wl_list_remove(&animation->link);
950 wl_list_init(&animation->link);
952 if (compositor->fade.spring.current < 0.001) {
953 destroy_surface(&surface->surface.resource);
954 compositor->fade.surface = NULL;
955 } else if (compositor->fade.spring.current > 0.999) {
956 compositor->state = WESTON_COMPOSITOR_SLEEPING;
957 wl_signal_emit(&compositor->lock_signal, compositor);
962 struct weston_frame_callback {
963 struct wl_resource resource;
968 weston_output_repaint(struct weston_output *output, int msecs)
970 struct weston_compositor *ec = output->compositor;
971 struct weston_surface *es;
972 struct weston_layer *layer;
973 struct weston_animation *animation, *next;
974 struct weston_frame_callback *cb, *cnext;
975 pixman_region32_t opaque, new_damage, output_damage;
976 int32_t width, height;
978 weston_compositor_update_drag_surfaces(ec);
980 width = output->current->width +
981 output->border.left + output->border.right;
982 height = output->current->height +
983 output->border.top + output->border.bottom;
984 glViewport(0, 0, width, height);
986 /* Rebuild the surface list and update surface transforms up front. */
987 wl_list_init(&ec->surface_list);
988 wl_list_for_each(layer, &ec->layer_list, link) {
989 wl_list_for_each(es, &layer->surface_list, layer_link) {
990 weston_surface_update_transform(es);
991 wl_list_insert(ec->surface_list.prev, &es->link);
995 if (output->assign_planes)
997 * This will queue flips for the fbs and sprites where
998 * applicable and clear the damage for those surfaces.
999 * The repaint loop below will repaint everything
1002 output->assign_planes(output);
1004 pixman_region32_init(&new_damage);
1005 pixman_region32_init(&opaque);
1007 wl_list_for_each(es, &ec->surface_list, link) {
1008 pixman_region32_subtract(&es->damage, &es->damage, &opaque);
1009 pixman_region32_union(&new_damage, &new_damage, &es->damage);
1010 empty_region(&es->damage);
1011 pixman_region32_copy(&es->clip, &opaque);
1012 pixman_region32_union(&opaque, &opaque, &es->transform.opaque);
1015 pixman_region32_union(&ec->damage, &ec->damage, &new_damage);
1017 pixman_region32_init(&output_damage);
1018 pixman_region32_union(&output_damage,
1019 &ec->damage, &output->previous_damage);
1020 pixman_region32_copy(&output->previous_damage, &ec->damage);
1021 pixman_region32_intersect(&output_damage,
1022 &output_damage, &output->region);
1023 pixman_region32_subtract(&ec->damage, &ec->damage, &output->region);
1025 pixman_region32_fini(&opaque);
1026 pixman_region32_fini(&new_damage);
1029 weston_output_update_matrix(output);
1031 output->repaint(output, &output_damage);
1033 pixman_region32_fini(&output_damage);
1035 output->repaint_needed = 0;
1037 weston_compositor_repick(ec);
1038 wl_event_loop_dispatch(ec->input_loop, 0);
1040 wl_list_for_each_safe(cb, cnext, &output->frame_callback_list, link) {
1041 wl_callback_send_done(&cb->resource, msecs);
1042 wl_resource_destroy(&cb->resource);
1045 wl_list_for_each_safe(animation, next, &ec->animation_list, link)
1046 animation->frame(animation, output, msecs);
1050 weston_compositor_read_input(int fd, uint32_t mask, void *data)
1052 struct weston_compositor *compositor = data;
1054 wl_event_loop_dispatch(compositor->input_loop, 0);
1060 weston_output_finish_frame(struct weston_output *output, int msecs)
1062 struct weston_compositor *compositor = output->compositor;
1063 struct wl_event_loop *loop =
1064 wl_display_get_event_loop(compositor->wl_display);
1067 if (output->repaint_needed) {
1068 weston_output_repaint(output, msecs);
1072 output->repaint_scheduled = 0;
1073 if (compositor->input_loop_source)
1076 fd = wl_event_loop_get_fd(compositor->input_loop);
1077 compositor->input_loop_source =
1078 wl_event_loop_add_fd(loop, fd, WL_EVENT_READABLE,
1079 weston_compositor_read_input, compositor);
1083 idle_repaint(void *data)
1085 struct weston_output *output = data;
1087 weston_output_finish_frame(output, weston_compositor_get_time());
1091 weston_layer_init(struct weston_layer *layer, struct wl_list *below)
1093 wl_list_init(&layer->surface_list);
1094 wl_list_insert(below, &layer->link);
1098 weston_compositor_schedule_repaint(struct weston_compositor *compositor)
1100 struct weston_output *output;
1101 struct wl_event_loop *loop;
1103 if (compositor->state == WESTON_COMPOSITOR_SLEEPING)
1106 loop = wl_display_get_event_loop(compositor->wl_display);
1107 wl_list_for_each(output, &compositor->output_list, link) {
1108 output->repaint_needed = 1;
1109 if (output->repaint_scheduled)
1112 wl_event_loop_add_idle(loop, idle_repaint, output);
1113 output->repaint_scheduled = 1;
1116 if (compositor->input_loop_source) {
1117 wl_event_source_remove(compositor->input_loop_source);
1118 compositor->input_loop_source = NULL;
1123 weston_compositor_fade(struct weston_compositor *compositor, float tint)
1125 struct weston_surface *surface;
1128 done = weston_spring_done(&compositor->fade.spring);
1129 compositor->fade.spring.target = tint;
1130 if (weston_spring_done(&compositor->fade.spring))
1134 compositor->fade.spring.timestamp =
1135 weston_compositor_get_time();
1137 if (compositor->fade.surface == NULL) {
1138 surface = weston_surface_create(compositor);
1139 weston_surface_configure(surface, 0, 0, 8192, 8192);
1140 weston_surface_set_color(surface, 0.0, 0.0, 0.0, 0.0);
1141 wl_list_insert(&compositor->fade_layer.surface_list,
1142 &surface->layer_link);
1143 weston_surface_assign_output(surface);
1144 compositor->fade.surface = surface;
1145 pixman_region32_init(&surface->input);
1148 weston_surface_damage(compositor->fade.surface);
1149 if (wl_list_empty(&compositor->fade.animation.link))
1150 wl_list_insert(compositor->animation_list.prev,
1151 &compositor->fade.animation.link);
1155 surface_destroy(struct wl_client *client, struct wl_resource *resource)
1157 wl_resource_destroy(resource);
1160 static struct wl_resource *
1161 find_resource_for_client(struct wl_list *list, struct wl_client *client)
1163 struct wl_resource *r;
1165 wl_list_for_each(r, list, link) {
1166 if (r->client == client)
1174 weston_surface_update_output_mask(struct weston_surface *es, uint32_t mask)
1176 uint32_t different = es->output_mask ^ mask;
1177 uint32_t entered = mask & different;
1178 uint32_t left = es->output_mask & different;
1179 struct weston_output *output;
1180 struct wl_resource *resource;
1181 struct wl_client *client = es->surface.resource.client;
1183 if (es->surface.resource.client == NULL)
1188 es->output_mask = mask;
1189 wl_list_for_each(output, &es->compositor->output_list, link) {
1190 if (1 << output->id & different)
1192 find_resource_for_client(&output->resource_list,
1194 if (1 << output->id & entered)
1195 wl_surface_send_enter(&es->surface.resource, resource);
1196 if (1 << output->id & left)
1197 wl_surface_send_leave(&es->surface.resource, resource);
1202 weston_surface_assign_output(struct weston_surface *es)
1204 struct weston_compositor *ec = es->compositor;
1205 struct weston_output *output, *new_output;
1206 pixman_region32_t region;
1207 uint32_t max, area, mask;
1210 weston_surface_update_transform(es);
1215 pixman_region32_init(®ion);
1216 wl_list_for_each(output, &ec->output_list, link) {
1217 pixman_region32_intersect(®ion, &es->transform.boundingbox,
1220 e = pixman_region32_extents(®ion);
1221 area = (e->x2 - e->x1) * (e->y2 - e->y1);
1224 mask |= 1 << output->id;
1227 new_output = output;
1231 pixman_region32_fini(®ion);
1233 es->output = new_output;
1234 weston_surface_update_output_mask(es, mask);
1236 if (!wl_list_empty(&es->frame_callback_list)) {
1237 wl_list_insert_list(new_output->frame_callback_list.prev,
1238 &es->frame_callback_list);
1239 wl_list_init(&es->frame_callback_list);
1244 surface_attach(struct wl_client *client,
1245 struct wl_resource *resource,
1246 struct wl_resource *buffer_resource, int32_t sx, int32_t sy)
1248 struct weston_surface *es = resource->data;
1249 struct wl_buffer *buffer = NULL;
1251 if (buffer_resource)
1252 buffer = buffer_resource->data;
1254 weston_surface_attach(&es->surface, buffer);
1256 if (buffer && es->configure)
1257 es->configure(es, sx, sy);
1261 texture_set_subimage(struct weston_surface *surface,
1262 int32_t x, int32_t y, int32_t width, int32_t height)
1264 glBindTexture(GL_TEXTURE_2D, surface->texture);
1266 #ifdef GL_UNPACK_ROW_LENGTH
1267 /* Mesa does not define GL_EXT_unpack_subimage */
1269 if (surface->compositor->has_unpack_subimage) {
1270 glPixelStorei(GL_UNPACK_ROW_LENGTH, surface->pitch);
1271 glPixelStorei(GL_UNPACK_SKIP_PIXELS, x);
1272 glPixelStorei(GL_UNPACK_SKIP_ROWS, y);
1274 glTexSubImage2D(GL_TEXTURE_2D, 0, x, y, width, height,
1275 GL_BGRA_EXT, GL_UNSIGNED_BYTE,
1276 wl_shm_buffer_get_data(surface->buffer));
1281 glTexImage2D(GL_TEXTURE_2D, 0, GL_BGRA_EXT,
1282 surface->pitch, surface->buffer->height, 0,
1283 GL_BGRA_EXT, GL_UNSIGNED_BYTE,
1284 wl_shm_buffer_get_data(surface->buffer));
1288 surface_damage(struct wl_client *client,
1289 struct wl_resource *resource,
1290 int32_t x, int32_t y, int32_t width, int32_t height)
1292 struct weston_surface *es = resource->data;
1294 weston_surface_damage_rectangle(es, x, y, width, height);
1296 if (es->buffer && wl_buffer_is_shm(es->buffer))
1297 texture_set_subimage(es, x, y, width, height);
1301 destroy_frame_callback(struct wl_resource *resource)
1303 struct weston_frame_callback *cb = resource->data;
1305 wl_list_remove(&cb->link);
1310 surface_frame(struct wl_client *client,
1311 struct wl_resource *resource, uint32_t callback)
1313 struct weston_frame_callback *cb;
1314 struct weston_surface *es = resource->data;
1316 cb = malloc(sizeof *cb);
1318 wl_resource_post_no_memory(resource);
1322 cb->resource.object.interface = &wl_callback_interface;
1323 cb->resource.object.id = callback;
1324 cb->resource.destroy = destroy_frame_callback;
1325 cb->resource.client = client;
1326 cb->resource.data = cb;
1328 wl_client_add_resource(client, &cb->resource);
1331 wl_list_insert(es->output->frame_callback_list.prev,
1334 wl_list_insert(es->frame_callback_list.prev, &cb->link);
1339 surface_set_opaque_region(struct wl_client *client,
1340 struct wl_resource *resource,
1341 struct wl_resource *region_resource)
1343 struct weston_surface *surface = resource->data;
1344 struct weston_region *region;
1346 pixman_region32_fini(&surface->opaque);
1348 if (region_resource) {
1349 region = region_resource->data;
1350 pixman_region32_init_rect(&surface->opaque, 0, 0,
1351 surface->geometry.width,
1352 surface->geometry.height);
1353 pixman_region32_intersect(&surface->opaque,
1354 &surface->opaque, ®ion->region);
1356 pixman_region32_init(&surface->opaque);
1359 surface->geometry.dirty = 1;
1363 surface_set_input_region(struct wl_client *client,
1364 struct wl_resource *resource,
1365 struct wl_resource *region_resource)
1367 struct weston_surface *surface = resource->data;
1368 struct weston_region *region;
1370 if (region_resource) {
1371 region = region_resource->data;
1372 pixman_region32_init_rect(&surface->input, 0, 0,
1373 surface->geometry.width,
1374 surface->geometry.height);
1375 pixman_region32_intersect(&surface->input,
1376 &surface->input, ®ion->region);
1378 pixman_region32_init_rect(&surface->input, 0, 0,
1379 surface->geometry.width,
1380 surface->geometry.height);
1383 weston_compositor_schedule_repaint(surface->compositor);
1386 static const struct wl_surface_interface surface_interface = {
1391 surface_set_opaque_region,
1392 surface_set_input_region
1396 compositor_create_surface(struct wl_client *client,
1397 struct wl_resource *resource, uint32_t id)
1399 struct weston_compositor *ec = resource->data;
1400 struct weston_surface *surface;
1402 surface = weston_surface_create(ec);
1403 if (surface == NULL) {
1404 wl_resource_post_no_memory(resource);
1408 surface->surface.resource.destroy = destroy_surface;
1410 surface->surface.resource.object.id = id;
1411 surface->surface.resource.object.interface = &wl_surface_interface;
1412 surface->surface.resource.object.implementation =
1413 (void (**)(void)) &surface_interface;
1414 surface->surface.resource.data = surface;
1416 wl_client_add_resource(client, &surface->surface.resource);
1420 destroy_region(struct wl_resource *resource)
1422 struct weston_region *region =
1423 container_of(resource, struct weston_region, resource);
1425 pixman_region32_fini(®ion->region);
1430 region_destroy(struct wl_client *client, struct wl_resource *resource)
1432 wl_resource_destroy(resource);
1436 region_add(struct wl_client *client, struct wl_resource *resource,
1437 int32_t x, int32_t y, int32_t width, int32_t height)
1439 struct weston_region *region = resource->data;
1441 pixman_region32_union_rect(®ion->region, ®ion->region,
1442 x, y, width, height);
1446 region_subtract(struct wl_client *client, struct wl_resource *resource,
1447 int32_t x, int32_t y, int32_t width, int32_t height)
1449 struct weston_region *region = resource->data;
1450 pixman_region32_t rect;
1452 pixman_region32_init_rect(&rect, x, y, width, height);
1453 pixman_region32_subtract(®ion->region, ®ion->region, &rect);
1454 pixman_region32_fini(&rect);
1457 static const struct wl_region_interface region_interface = {
1464 compositor_create_region(struct wl_client *client,
1465 struct wl_resource *resource, uint32_t id)
1467 struct weston_region *region;
1469 region = malloc(sizeof *region);
1470 if (region == NULL) {
1471 wl_resource_post_no_memory(resource);
1475 region->resource.destroy = destroy_region;
1477 region->resource.object.id = id;
1478 region->resource.object.interface = &wl_region_interface;
1479 region->resource.object.implementation =
1480 (void (**)(void)) ®ion_interface;
1481 region->resource.data = region;
1483 pixman_region32_init(®ion->region);
1485 wl_client_add_resource(client, ®ion->resource);
1488 static const struct wl_compositor_interface compositor_interface = {
1489 compositor_create_surface,
1490 compositor_create_region
1494 weston_compositor_wake(struct weston_compositor *compositor)
1496 compositor->state = WESTON_COMPOSITOR_ACTIVE;
1497 weston_compositor_fade(compositor, 0.0);
1499 wl_event_source_timer_update(compositor->idle_source,
1500 compositor->idle_time * 1000);
1504 weston_compositor_dpms_on(struct weston_compositor *compositor)
1506 struct weston_output *output;
1508 wl_list_for_each(output, &compositor->output_list, link)
1509 if (output->set_dpms)
1510 output->set_dpms(output, WESTON_DPMS_ON);
1514 weston_compositor_activity(struct weston_compositor *compositor)
1516 if (compositor->state == WESTON_COMPOSITOR_ACTIVE) {
1517 weston_compositor_wake(compositor);
1519 weston_compositor_dpms_on(compositor);
1520 wl_signal_emit(&compositor->unlock_signal, compositor);
1525 weston_compositor_idle_inhibit(struct weston_compositor *compositor)
1527 weston_compositor_activity(compositor);
1528 compositor->idle_inhibit++;
1532 weston_compositor_idle_release(struct weston_compositor *compositor)
1534 compositor->idle_inhibit--;
1535 weston_compositor_activity(compositor);
1539 idle_handler(void *data)
1541 struct weston_compositor *compositor = data;
1543 if (compositor->idle_inhibit)
1546 weston_compositor_fade(compositor, 1.0);
1552 weston_input_update_drag_surface(struct wl_input_device *input_device,
1556 notify_motion(struct wl_input_device *device, uint32_t time, GLfloat x, GLfloat y)
1558 struct weston_output *output;
1559 const struct wl_pointer_grab_interface *interface;
1560 struct weston_input_device *wd = (struct weston_input_device *) device;
1561 struct weston_compositor *ec = wd->compositor;
1562 int x_valid = 0, y_valid = 0;
1563 int min_x = INT_MAX, min_y = INT_MAX, max_x = INT_MIN, max_y = INT_MIN;
1565 weston_compositor_activity(ec);
1567 wl_list_for_each(output, &ec->output_list, link) {
1568 if (output->x <= x && x < output->x + output->current->width)
1571 if (output->y <= y && y < output->y + output->current->height)
1574 /* FIXME: calculate this only on output addition/deletion */
1575 if (output->x < min_x)
1577 if (output->y < min_y)
1580 if (output->x + output->current->width > max_x)
1581 max_x = output->x + output->current->width - 1;
1582 if (output->y + output->current->height > max_y)
1583 max_y = output->y + output->current->height - 1;
1589 else if (x >= max_x)
1595 else if (y >= max_y)
1599 weston_input_update_drag_surface(device,
1600 x - device->x, y - device->y);
1605 wl_list_for_each(output, &ec->output_list, link)
1606 if (output->zoom.active &&
1607 pixman_region32_contains_point(&output->region, x, y, NULL))
1608 weston_output_update_zoom(output, x, y);
1610 weston_device_repick(device);
1611 interface = device->pointer_grab->interface;
1612 interface->motion(device->pointer_grab, time,
1613 device->pointer_grab->x, device->pointer_grab->y);
1616 weston_surface_set_position(wd->sprite,
1617 device->x - wd->hotspot_x,
1618 device->y - wd->hotspot_y);
1620 weston_compositor_schedule_repaint(ec);
1625 weston_surface_activate(struct weston_surface *surface,
1626 struct weston_input_device *device)
1628 struct weston_compositor *compositor = device->compositor;
1630 wl_input_device_set_keyboard_focus(&device->input_device,
1632 wl_data_device_set_keyboard_focus(&device->input_device);
1634 wl_signal_emit(&compositor->activate_signal, surface);
1638 notify_button(struct wl_input_device *device,
1639 uint32_t time, int32_t button, uint32_t state)
1641 struct weston_input_device *wd = (struct weston_input_device *) device;
1642 struct weston_compositor *compositor = wd->compositor;
1643 struct weston_surface *focus = (struct weston_surface *) device->pointer_focus;
1644 uint32_t serial = wl_display_next_serial(compositor->wl_display);
1647 if (compositor->ping_handler && focus)
1648 compositor->ping_handler(focus, serial);
1649 weston_compositor_idle_inhibit(compositor);
1650 if (device->button_count == 0) {
1651 device->grab_button = button;
1652 device->grab_time = time;
1653 device->grab_x = device->x;
1654 device->grab_y = device->y;
1656 device->button_count++;
1658 weston_compositor_idle_release(compositor);
1659 device->button_count--;
1662 weston_compositor_run_binding(compositor, wd, time, 0, button, 0, state);
1664 device->pointer_grab->interface->button(device->pointer_grab, time, button, state);
1666 if (device->button_count == 1)
1667 device->grab_serial =
1668 wl_display_get_serial(compositor->wl_display);
1672 notify_axis(struct wl_input_device *device,
1673 uint32_t time, uint32_t axis, int32_t value)
1675 struct weston_input_device *wd = (struct weston_input_device *) device;
1676 struct weston_compositor *compositor = wd->compositor;
1677 struct weston_surface *focus = (struct weston_surface *) device->pointer_focus;
1678 uint32_t serial = wl_display_next_serial(compositor->wl_display);
1680 if (compositor->ping_handler && focus)
1681 compositor->ping_handler(focus, serial);
1683 weston_compositor_activity(compositor);
1686 weston_compositor_run_binding(compositor, wd,
1687 time, 0, 0, axis, value);
1691 if (device->pointer_focus_resource)
1692 wl_resource_post_event(device->pointer_focus_resource,
1693 WL_INPUT_DEVICE_AXIS, time, axis, value);
1697 update_modifier_state(struct weston_input_device *device,
1698 uint32_t key, uint32_t state)
1705 modifier = MODIFIER_CTRL;
1710 modifier = MODIFIER_ALT;
1715 modifier = MODIFIER_SUPER;
1724 device->modifier_state |= modifier;
1726 device->modifier_state &= ~modifier;
1730 notify_key(struct wl_input_device *device,
1731 uint32_t time, uint32_t key, uint32_t state)
1733 struct weston_input_device *wd = (struct weston_input_device *) device;
1734 struct weston_compositor *compositor = wd->compositor;
1735 struct weston_surface *focus = (struct weston_surface *) device->pointer_focus;
1736 uint32_t serial = wl_display_next_serial(compositor->wl_display);
1740 if (compositor->ping_handler && focus)
1741 compositor->ping_handler(focus, serial);
1743 weston_compositor_idle_inhibit(compositor);
1744 device->grab_key = key;
1745 device->grab_time = time;
1747 weston_compositor_idle_release(compositor);
1750 update_modifier_state(wd, key, state);
1751 end = device->keys.data + device->keys.size;
1752 for (k = device->keys.data; k < end; k++) {
1756 device->keys.size = (void *) end - device->keys.data;
1758 k = wl_array_add(&device->keys, sizeof *k);
1762 if (device->keyboard_grab == &device->default_keyboard_grab)
1763 weston_compositor_run_binding(compositor, wd,
1764 time, key, 0, 0, state);
1766 device->keyboard_grab->interface->key(device->keyboard_grab,
1771 notify_pointer_focus(struct wl_input_device *device,
1772 struct weston_output *output, GLfloat x, GLfloat y)
1774 struct weston_input_device *wd = (struct weston_input_device *) device;
1775 struct weston_compositor *compositor = wd->compositor;
1778 weston_input_update_drag_surface(device, x - device->x,
1783 compositor->focus = 1;
1784 weston_compositor_repick(compositor);
1786 compositor->focus = 0;
1787 weston_compositor_repick(compositor);
1792 destroy_device_saved_kbd_focus(struct wl_listener *listener, void *data)
1794 struct weston_input_device *wd;
1796 wd = container_of(listener, struct weston_input_device,
1797 saved_kbd_focus_listener);
1799 wd->saved_kbd_focus = NULL;
1803 notify_keyboard_focus(struct wl_input_device *device, struct wl_array *keys)
1805 struct weston_input_device *wd =
1806 (struct weston_input_device *) device;
1807 struct weston_compositor *compositor = wd->compositor;
1808 struct wl_surface *surface;
1812 wl_array_copy(&wd->input_device.keys, keys);
1813 wd->modifier_state = 0;
1814 wl_array_for_each(k, &device->keys) {
1815 weston_compositor_idle_inhibit(compositor);
1816 update_modifier_state(wd, *k, 1);
1819 surface = wd->saved_kbd_focus;
1822 wl_list_remove(&wd->saved_kbd_focus_listener.link);
1823 wl_input_device_set_keyboard_focus(&wd->input_device,
1825 wd->saved_kbd_focus = NULL;
1828 wl_array_for_each(k, &device->keys)
1829 weston_compositor_idle_release(compositor);
1831 wd->modifier_state = 0;
1833 surface = wd->input_device.keyboard_focus;
1836 wd->saved_kbd_focus = surface;
1837 wd->saved_kbd_focus_listener.notify =
1838 destroy_device_saved_kbd_focus;
1839 wl_signal_add(&surface->resource.destroy_signal,
1840 &wd->saved_kbd_focus_listener);
1843 wl_input_device_set_keyboard_focus(&wd->input_device, NULL);
1844 /* FIXME: We really need keyboard grab cancel here to
1845 * let the grab shut down properly. As it is we leak
1847 wl_input_device_end_keyboard_grab(&wd->input_device);
1852 lose_touch_focus_resource(struct wl_listener *listener, void *data)
1854 struct weston_input_device *device =
1855 container_of(listener, struct weston_input_device,
1856 touch_focus_resource_listener);
1858 device->touch_focus_resource = NULL;
1862 lose_touch_focus(struct wl_listener *listener, void *data)
1864 struct weston_input_device *device =
1865 container_of(listener, struct weston_input_device,
1866 touch_focus_listener);
1868 device->touch_focus = NULL;
1872 touch_set_focus(struct weston_input_device *device,
1873 struct wl_surface *surface)
1875 struct wl_input_device *input_device = &device->input_device;
1876 struct wl_resource *resource;
1878 if (device->touch_focus == surface)
1883 find_resource_for_client(&input_device->resource_list,
1884 surface->resource.client);
1886 fprintf(stderr, "couldn't find resource\n");
1890 device->touch_focus_resource_listener.notify =
1891 lose_touch_focus_resource;
1892 wl_signal_add(&resource->destroy_signal,
1893 &device->touch_focus_resource_listener);
1894 device->touch_focus_listener.notify = lose_touch_focus;
1895 wl_signal_add(&surface->resource.destroy_signal,
1896 &device->touch_focus_listener);
1898 device->touch_focus = surface;
1899 device->touch_focus_resource = resource;
1901 if (device->touch_focus)
1902 wl_list_remove(&device->touch_focus_listener.link);
1903 if (device->touch_focus_resource)
1904 wl_list_remove(&device->touch_focus_resource_listener.link);
1905 device->touch_focus = NULL;
1906 device->touch_focus_resource = NULL;
1911 * notify_touch - emulates button touches and notifies surfaces accordingly.
1913 * It assumes always the correct cycle sequence until it gets here: touch_down
1914 * → touch_update → ... → touch_update → touch_end. The driver is responsible
1915 * for sending along such order.
1919 notify_touch(struct wl_input_device *device, uint32_t time, int touch_id,
1920 GLfloat x, GLfloat y, int touch_type)
1922 struct weston_input_device *wd = (struct weston_input_device *) device;
1923 struct weston_compositor *ec = wd->compositor;
1924 struct weston_surface *es;
1926 uint32_t serial = 0;
1928 switch (touch_type) {
1929 case WL_INPUT_DEVICE_TOUCH_DOWN:
1930 weston_compositor_idle_inhibit(ec);
1934 /* the first finger down picks the surface, and all further go
1935 * to that surface for the remainder of the touch session i.e.
1936 * until all touch points are up again. */
1937 if (wd->num_tp == 1) {
1938 es = weston_compositor_pick_surface(ec, x, y, &sx, &sy);
1939 touch_set_focus(wd, &es->surface);
1940 } else if (wd->touch_focus) {
1941 es = (struct weston_surface *) wd->touch_focus;
1942 weston_surface_from_global(es, x, y, &sx, &sy);
1945 if (wd->touch_focus_resource && wd->touch_focus)
1946 wl_input_device_send_touch_down(wd->touch_focus_resource,
1947 serial, time, &wd->touch_focus->resource,
1950 case WL_INPUT_DEVICE_TOUCH_MOTION:
1951 es = (struct weston_surface *) wd->touch_focus;
1955 weston_surface_from_global(es, x, y, &sx, &sy);
1956 if (wd->touch_focus_resource)
1957 wl_input_device_send_touch_motion(wd->touch_focus_resource,
1958 time, touch_id, sx, sy);
1960 case WL_INPUT_DEVICE_TOUCH_UP:
1961 weston_compositor_idle_release(ec);
1964 if (wd->touch_focus_resource)
1965 wl_input_device_send_touch_up(wd->touch_focus_resource,
1966 serial, time, touch_id);
1967 if (wd->num_tp == 0)
1968 touch_set_focus(wd, NULL);
1974 input_device_attach(struct wl_client *client,
1975 struct wl_resource *resource,
1977 struct wl_resource *buffer_resource, int32_t x, int32_t y)
1979 struct weston_input_device *device = resource->data;
1980 struct weston_compositor *compositor = device->compositor;
1981 struct wl_buffer *buffer = NULL;
1983 if (serial < device->input_device.pointer_focus_serial)
1985 if (device->input_device.pointer_focus == NULL)
1987 if (device->input_device.pointer_focus->resource.client != client)
1990 if (buffer_resource)
1991 buffer = buffer_resource->data;
1993 weston_surface_attach(&device->sprite->surface, buffer);
1994 empty_region(&device->sprite->input);
1999 if (!weston_surface_is_mapped(device->sprite)) {
2000 wl_list_insert(&compositor->cursor_layer.surface_list,
2001 &device->sprite->layer_link);
2002 weston_surface_assign_output(device->sprite);
2006 device->hotspot_x = x;
2007 device->hotspot_y = y;
2008 weston_surface_configure(device->sprite,
2009 device->input_device.x - device->hotspot_x,
2010 device->input_device.y - device->hotspot_y,
2011 buffer->width, buffer->height);
2013 surface_damage(NULL, &device->sprite->surface.resource,
2014 0, 0, buffer->width, buffer->height);
2017 static const struct wl_input_device_interface input_device_interface = {
2018 input_device_attach,
2022 handle_drag_surface_destroy(struct wl_listener *listener, void *data)
2024 struct weston_input_device *device;
2026 device = container_of(listener, struct weston_input_device,
2027 drag_surface_destroy_listener);
2029 device->drag_surface = NULL;
2032 static void unbind_resource(struct wl_resource *resource)
2034 wl_list_remove(&resource->link);
2039 bind_input_device(struct wl_client *client,
2040 void *data, uint32_t version, uint32_t id)
2042 struct wl_input_device *device = data;
2043 struct wl_resource *resource;
2045 resource = wl_client_add_object(client, &wl_input_device_interface,
2046 &input_device_interface, id, data);
2047 wl_list_insert(&device->resource_list, &resource->link);
2048 resource->destroy = unbind_resource;
2052 device_handle_new_drag_icon(struct wl_listener *listener, void *data)
2054 struct weston_input_device *device;
2056 device = container_of(listener, struct weston_input_device,
2057 new_drag_icon_listener);
2059 weston_input_update_drag_surface(&device->input_device, 0, 0);
2063 weston_input_device_init(struct weston_input_device *device,
2064 struct weston_compositor *ec)
2066 wl_input_device_init(&device->input_device);
2068 wl_display_add_global(ec->wl_display, &wl_input_device_interface,
2069 device, bind_input_device);
2071 device->sprite = weston_surface_create(ec);
2072 device->sprite->surface.resource.data = device->sprite;
2074 device->compositor = ec;
2075 device->hotspot_x = 16;
2076 device->hotspot_y = 16;
2077 device->modifier_state = 0;
2080 device->drag_surface_destroy_listener.notify =
2081 handle_drag_surface_destroy;
2083 wl_list_insert(ec->input_device_list.prev, &device->link);
2085 device->new_drag_icon_listener.notify = device_handle_new_drag_icon;
2086 wl_signal_add(&device->input_device.drag_icon_signal,
2087 &device->new_drag_icon_listener);
2091 weston_input_device_release(struct weston_input_device *device)
2093 wl_list_remove(&device->link);
2094 /* The global object is destroyed at wl_display_destroy() time. */
2097 destroy_surface(&device->sprite->surface.resource);
2099 wl_input_device_release(&device->input_device);
2103 drag_surface_configure(struct weston_surface *es, int32_t sx, int32_t sy)
2105 weston_surface_configure(es,
2106 es->geometry.x + sx, es->geometry.y + sy,
2107 es->buffer->width, es->buffer->height);
2111 device_setup_new_drag_surface(struct weston_input_device *device,
2112 struct weston_surface *surface)
2114 struct wl_input_device *input_device = &device->input_device;
2116 if (surface->configure) {
2117 wl_resource_post_error(&surface->surface.resource,
2118 WL_DISPLAY_ERROR_INVALID_OBJECT,
2119 "surface->configure already set");
2123 device->drag_surface = surface;
2125 weston_surface_set_position(device->drag_surface,
2126 input_device->x, input_device->y);
2128 surface->configure = drag_surface_configure;
2130 wl_signal_add(&surface->surface.resource.destroy_signal,
2131 &device->drag_surface_destroy_listener);
2137 device_release_drag_surface(struct weston_input_device *device)
2139 device->drag_surface->configure = NULL;
2140 undef_region(&device->drag_surface->input);
2141 wl_list_remove(&device->drag_surface_destroy_listener.link);
2142 device->drag_surface = NULL;
2146 device_map_drag_surface(struct weston_input_device *device)
2148 if (weston_surface_is_mapped(device->drag_surface) ||
2149 !device->drag_surface->buffer)
2152 wl_list_insert(&device->sprite->layer_link,
2153 &device->drag_surface->layer_link);
2154 weston_surface_assign_output(device->drag_surface);
2155 empty_region(&device->drag_surface->input);
2159 weston_input_update_drag_surface(struct wl_input_device *input_device,
2162 int surface_changed = 0;
2163 struct weston_input_device *device = (struct weston_input_device *)
2166 if (!device->drag_surface && !input_device->drag_surface)
2169 if (device->drag_surface && input_device->drag_surface &&
2170 (&device->drag_surface->surface.resource !=
2171 &input_device->drag_surface->resource))
2172 /* between calls to this funcion we got a new drag_surface */
2173 surface_changed = 1;
2175 if (!input_device->drag_surface || surface_changed) {
2176 device_release_drag_surface(device);
2177 if (!surface_changed)
2181 if (!device->drag_surface || surface_changed) {
2182 struct weston_surface *surface = (struct weston_surface *)
2183 input_device->drag_surface;
2184 if (!device_setup_new_drag_surface(device, surface))
2188 /* the client may not have attached a buffer to the drag surface
2189 * when we setup it up, so check if map is needed on every update */
2190 device_map_drag_surface(device);
2192 /* the client may have attached a buffer with a different size to
2193 * the drag surface, causing the input region to be reset */
2194 if (region_is_undefined(&device->drag_surface->input))
2195 empty_region(&device->drag_surface->input);
2200 weston_surface_set_position(device->drag_surface,
2201 device->drag_surface->geometry.x + dx,
2202 device->drag_surface->geometry.y + dy);
2206 weston_compositor_update_drag_surfaces(struct weston_compositor *compositor)
2208 weston_input_update_drag_surface(compositor->input_device, 0, 0);
2212 bind_output(struct wl_client *client,
2213 void *data, uint32_t version, uint32_t id)
2215 struct weston_output *output = data;
2216 struct weston_mode *mode;
2217 struct wl_resource *resource;
2219 resource = wl_client_add_object(client,
2220 &wl_output_interface, NULL, id, data);
2222 wl_list_insert(&output->resource_list, &resource->link);
2223 resource->destroy = unbind_resource;
2225 wl_output_send_geometry(resource,
2231 output->make, output->model);
2233 wl_list_for_each (mode, &output->mode_list, link) {
2234 wl_output_send_mode(resource,
2242 static const char vertex_shader[] =
2243 "uniform mat4 proj;\n"
2244 "attribute vec2 position;\n"
2245 "attribute vec2 texcoord;\n"
2246 "varying vec2 v_texcoord;\n"
2249 " gl_Position = proj * vec4(position, 0.0, 1.0);\n"
2250 " v_texcoord = texcoord;\n"
2253 static const char texture_fragment_shader[] =
2254 "precision mediump float;\n"
2255 "varying vec2 v_texcoord;\n"
2256 "uniform sampler2D tex;\n"
2257 "uniform float alpha;\n"
2258 "uniform float bright;\n"
2259 "uniform float saturation;\n"
2260 "uniform float texwidth;\n"
2263 " if (v_texcoord.x < 0.0 || v_texcoord.x > texwidth ||\n"
2264 " v_texcoord.y < 0.0 || v_texcoord.y > 1.0)\n"
2266 " gl_FragColor = texture2D(tex, v_texcoord)\n;"
2267 " float gray = dot(gl_FragColor.rgb, vec3(0.299, 0.587, 0.114));\n"
2268 " vec3 range = (gl_FragColor.rgb - vec3 (gray, gray, gray)) * saturation;\n"
2269 " gl_FragColor = vec4(vec3(gray + range), gl_FragColor.a);\n"
2270 " gl_FragColor = vec4(vec3(bright, bright, bright) * gl_FragColor.rgb, gl_FragColor.a);\n"
2271 " gl_FragColor = alpha * gl_FragColor;\n"
2274 static const char solid_fragment_shader[] =
2275 "precision mediump float;\n"
2276 "uniform vec4 color;\n"
2277 "uniform float alpha;\n"
2280 " gl_FragColor = alpha * color\n;"
2284 compile_shader(GLenum type, const char *source)
2290 s = glCreateShader(type);
2291 glShaderSource(s, 1, &source, NULL);
2293 glGetShaderiv(s, GL_COMPILE_STATUS, &status);
2295 glGetShaderInfoLog(s, sizeof msg, NULL, msg);
2296 fprintf(stderr, "shader info: %s\n", msg);
2304 weston_shader_init(struct weston_shader *shader,
2305 const char *vertex_source, const char *fragment_source)
2310 shader->vertex_shader =
2311 compile_shader(GL_VERTEX_SHADER, vertex_source);
2312 shader->fragment_shader =
2313 compile_shader(GL_FRAGMENT_SHADER, fragment_source);
2315 shader->program = glCreateProgram();
2316 glAttachShader(shader->program, shader->vertex_shader);
2317 glAttachShader(shader->program, shader->fragment_shader);
2318 glBindAttribLocation(shader->program, 0, "position");
2319 glBindAttribLocation(shader->program, 1, "texcoord");
2321 glLinkProgram(shader->program);
2322 glGetProgramiv(shader->program, GL_LINK_STATUS, &status);
2324 glGetProgramInfoLog(shader->program, sizeof msg, NULL, msg);
2325 fprintf(stderr, "link info: %s\n", msg);
2329 shader->proj_uniform = glGetUniformLocation(shader->program, "proj");
2330 shader->tex_uniform = glGetUniformLocation(shader->program, "tex");
2331 shader->alpha_uniform = glGetUniformLocation(shader->program, "alpha");
2332 shader->brightness_uniform = glGetUniformLocation(shader->program, "bright");
2333 shader->saturation_uniform = glGetUniformLocation(shader->program, "saturation");
2334 shader->color_uniform = glGetUniformLocation(shader->program, "color");
2335 shader->texwidth_uniform = glGetUniformLocation(shader->program,
2342 weston_output_destroy(struct weston_output *output)
2344 struct weston_compositor *c = output->compositor;
2346 pixman_region32_fini(&output->region);
2347 pixman_region32_fini(&output->previous_damage);
2348 output->compositor->output_id_pool &= ~(1 << output->id);
2350 wl_display_remove_global(c->wl_display, output->global);
2354 weston_output_update_zoom(struct weston_output *output, int x, int y)
2358 if (output->zoom.level <= 0)
2361 output->zoom.magnification = 1 / output->zoom.level;
2362 ratio = 1 - (1 / output->zoom.magnification);
2364 output->zoom.trans_x = (((float)(x - output->x) / output->current->width) * (ratio * 2)) - ratio;
2365 output->zoom.trans_y = (((float)(y - output->y) / output->current->height) * (ratio * 2)) - ratio;
2368 weston_output_damage(output);
2372 weston_output_update_matrix(struct weston_output *output)
2375 struct weston_matrix camera;
2376 struct weston_matrix modelview;
2378 weston_matrix_init(&output->matrix);
2379 weston_matrix_translate(&output->matrix,
2380 -(output->x + (output->border.right + output->current->width - output->border.left) / 2.0),
2381 -(output->y + (output->border.bottom + output->current->height - output->border.top) / 2.0), 0);
2383 flip = (output->flags & WL_OUTPUT_FLIPPED) ? -1 : 1;
2384 weston_matrix_scale(&output->matrix,
2385 2.0 / (output->current->width + output->border.left + output->border.right),
2386 flip * 2.0 / (output->current->height + output->border.top + output->border.bottom), 1);
2387 if (output->zoom.active) {
2388 weston_matrix_init(&camera);
2389 weston_matrix_init(&modelview);
2390 weston_matrix_translate(&camera, output->zoom.trans_x, flip * output->zoom.trans_y, 0);
2391 weston_matrix_invert(&modelview, &camera);
2392 weston_matrix_scale(&modelview, output->zoom.magnification, output->zoom.magnification, 1.0);
2393 weston_matrix_multiply(&output->matrix, &modelview);
2400 weston_output_move(struct weston_output *output, int x, int y)
2405 pixman_region32_init(&output->previous_damage);
2406 pixman_region32_init_rect(&output->region, x, y,
2407 output->current->width,
2408 output->current->height);
2412 weston_output_init(struct weston_output *output, struct weston_compositor *c,
2413 int x, int y, int width, int height, uint32_t flags)
2415 output->compositor = c;
2418 output->border.top = 0;
2419 output->border.bottom = 0;
2420 output->border.left = 0;
2421 output->border.right = 0;
2422 output->mm_width = width;
2423 output->mm_height = height;
2425 wl_list_init(&output->read_pixels_list);
2427 output->zoom.active = 0;
2428 output->zoom.increment = 0.05;
2429 output->zoom.level = 1.0;
2430 output->zoom.magnification = 1.0;
2431 output->zoom.trans_x = 0.0;
2432 output->zoom.trans_y = 0.0;
2434 output->flags = flags;
2435 weston_output_move(output, x, y);
2436 weston_output_damage(output);
2438 wl_list_init(&output->frame_callback_list);
2439 wl_list_init(&output->resource_list);
2441 output->id = ffs(~output->compositor->output_id_pool) - 1;
2442 output->compositor->output_id_pool |= 1 << output->id;
2445 wl_display_add_global(c->wl_display, &wl_output_interface,
2446 output, bind_output);
2450 weston_output_do_read_pixels(struct weston_output *output)
2452 struct weston_read_pixels *r, *next;
2454 glPixelStorei(GL_PACK_ALIGNMENT, 1);
2455 wl_list_for_each_safe(r, next, &output->read_pixels_list, link) {
2456 glReadPixels(r->x, r->y, r->width, r->height,
2457 output->compositor->read_format,
2458 GL_UNSIGNED_BYTE, r->data);
2464 compositor_bind(struct wl_client *client,
2465 void *data, uint32_t version, uint32_t id)
2467 struct weston_compositor *compositor = data;
2469 wl_client_add_object(client, &wl_compositor_interface,
2470 &compositor_interface, id, compositor);
2474 weston_compositor_init(struct weston_compositor *ec, struct wl_display *display)
2476 struct wl_event_loop *loop;
2477 const char *extensions;
2479 ec->wl_display = display;
2480 wl_signal_init(&ec->destroy_signal);
2481 wl_signal_init(&ec->activate_signal);
2482 wl_signal_init(&ec->lock_signal);
2483 wl_signal_init(&ec->unlock_signal);
2484 ec->launcher_sock = weston_environment_get_fd("WESTON_LAUNCHER_SOCK");
2486 ec->output_id_pool = 0;
2488 if (!wl_display_add_global(display, &wl_compositor_interface,
2489 ec, compositor_bind))
2492 wl_display_init_shm(display);
2494 ec->image_target_texture_2d =
2495 (void *) eglGetProcAddress("glEGLImageTargetTexture2DOES");
2496 ec->image_target_renderbuffer_storage = (void *)
2497 eglGetProcAddress("glEGLImageTargetRenderbufferStorageOES");
2498 ec->create_image = (void *) eglGetProcAddress("eglCreateImageKHR");
2499 ec->destroy_image = (void *) eglGetProcAddress("eglDestroyImageKHR");
2501 (void *) eglGetProcAddress("eglBindWaylandDisplayWL");
2502 ec->unbind_display =
2503 (void *) eglGetProcAddress("eglUnbindWaylandDisplayWL");
2505 extensions = (const char *) glGetString(GL_EXTENSIONS);
2507 fprintf(stderr, "Retrieving GL extension string failed.\n");
2511 if (!strstr(extensions, "GL_EXT_texture_format_BGRA8888")) {
2513 "GL_EXT_texture_format_BGRA8888 not available\n");
2517 if (strstr(extensions, "GL_EXT_read_format_bgra"))
2518 ec->read_format = GL_BGRA_EXT;
2520 ec->read_format = GL_RGBA;
2522 if (strstr(extensions, "GL_EXT_unpack_subimage"))
2523 ec->has_unpack_subimage = 1;
2526 (const char *) eglQueryString(ec->display, EGL_EXTENSIONS);
2528 fprintf(stderr, "Retrieving EGL extension string failed.\n");
2532 if (strstr(extensions, "EGL_WL_bind_wayland_display"))
2533 ec->has_bind_display = 1;
2534 if (ec->has_bind_display)
2535 ec->bind_display(ec->display, ec->wl_display);
2537 wl_list_init(&ec->surface_list);
2538 wl_list_init(&ec->layer_list);
2539 wl_list_init(&ec->input_device_list);
2540 wl_list_init(&ec->output_list);
2541 wl_list_init(&ec->binding_list);
2542 wl_list_init(&ec->animation_list);
2543 weston_spring_init(&ec->fade.spring, 30.0, 1.0, 1.0);
2544 ec->fade.animation.frame = fade_frame;
2545 wl_list_init(&ec->fade.animation.link);
2547 weston_layer_init(&ec->fade_layer, &ec->layer_list);
2548 weston_layer_init(&ec->cursor_layer, &ec->fade_layer.link);
2550 screenshooter_create(ec);
2552 ec->ping_handler = NULL;
2554 wl_data_device_manager_init(ec->wl_display);
2556 glActiveTexture(GL_TEXTURE0);
2558 if (weston_shader_init(&ec->texture_shader,
2559 vertex_shader, texture_fragment_shader) < 0)
2561 if (weston_shader_init(&ec->solid_shader,
2562 vertex_shader, solid_fragment_shader) < 0)
2565 loop = wl_display_get_event_loop(ec->wl_display);
2566 ec->idle_source = wl_event_loop_add_timer(loop, idle_handler, ec);
2567 wl_event_source_timer_update(ec->idle_source, ec->idle_time * 1000);
2569 ec->input_loop = wl_event_loop_create();
2571 weston_compositor_schedule_repaint(ec);
2577 weston_compositor_shutdown(struct weston_compositor *ec)
2579 struct weston_output *output, *next;
2581 wl_event_source_remove(ec->idle_source);
2582 if (ec->input_loop_source)
2583 wl_event_source_remove(ec->input_loop_source);
2585 /* Destroy all outputs associated with this compositor */
2586 wl_list_for_each_safe(output, next, &ec->output_list, link)
2587 output->destroy(output);
2589 weston_binding_list_destroy_all(&ec->binding_list);
2591 wl_array_release(&ec->vertices);
2592 wl_array_release(&ec->indices);
2594 wl_event_loop_destroy(ec->input_loop);
2597 static int on_term_signal(int signal_number, void *data)
2599 struct wl_display *display = data;
2601 fprintf(stderr, "caught signal %d\n", signal_number);
2602 wl_display_terminate(display);
2608 on_segv_signal(int s, siginfo_t *siginfo, void *context)
2614 fprintf(stderr, "caught segv\n");
2616 count = backtrace(buffer, ARRAY_LENGTH(buffer));
2617 for (i = 0; i < count; i++) {
2618 dladdr(buffer[i], &info);
2619 fprintf(stderr, " [%016lx] %s (%s)\n",
2621 info.dli_sname ? info.dli_sname : "--",
2625 longjmp(segv_jmp_buf, 1);
2630 load_module(const char *name, const char *entrypoint, void **handle)
2632 char path[PATH_MAX];
2633 void *module, *init;
2636 snprintf(path, sizeof path, MODULEDIR "/%s", name);
2638 snprintf(path, sizeof path, "%s", name);
2640 module = dlopen(path, RTLD_LAZY);
2643 "failed to load module '%s': %s\n", path, dlerror());
2647 init = dlsym(module, entrypoint);
2650 "failed to lookup init function in '%s': %s\n",
2658 int main(int argc, char *argv[])
2660 struct wl_display *display;
2661 struct weston_compositor *ec;
2662 struct wl_event_source *signals[4];
2663 struct wl_event_loop *loop;
2664 struct sigaction segv_action;
2665 void *shell_module, *backend_module, *xserver_module;
2666 int (*module_init)(struct weston_compositor *ec);
2667 struct weston_compositor
2668 *(*backend_init)(struct wl_display *display,
2669 int argc, char *argv[]);
2671 char *backend = NULL;
2673 char *module = NULL;
2674 int32_t idle_time = 300;
2675 int32_t xserver = 0;
2676 char *socket_name = NULL;
2679 const struct config_key shell_config_keys[] = {
2680 { "type", CONFIG_KEY_STRING, &shell },
2683 const struct config_section cs[] = {
2685 shell_config_keys, ARRAY_LENGTH(shell_config_keys) },
2688 const struct weston_option core_options[] = {
2689 { WESTON_OPTION_STRING, "backend", 'B', &backend },
2690 { WESTON_OPTION_STRING, "socket", 'S', &socket_name },
2691 { WESTON_OPTION_INTEGER, "idle-time", 'i', &idle_time },
2692 { WESTON_OPTION_BOOLEAN, "xserver", 0, &xserver },
2693 { WESTON_OPTION_STRING, "module", 0, &module },
2696 argc = parse_options(core_options,
2697 ARRAY_LENGTH(core_options), argc, argv);
2699 display = wl_display_create();
2701 loop = wl_display_get_event_loop(display);
2702 signals[0] = wl_event_loop_add_signal(loop, SIGTERM, on_term_signal,
2704 signals[1] = wl_event_loop_add_signal(loop, SIGINT, on_term_signal,
2706 signals[2] = wl_event_loop_add_signal(loop, SIGQUIT, on_term_signal,
2709 wl_list_init(&child_process_list);
2710 signals[3] = wl_event_loop_add_signal(loop, SIGCHLD, sigchld_handler,
2713 segv_action.sa_flags = SA_SIGINFO | SA_RESETHAND;
2714 segv_action.sa_sigaction = on_segv_signal;
2715 sigemptyset(&segv_action.sa_mask);
2716 sigaction(SIGSEGV, &segv_action, NULL);
2719 if (getenv("WAYLAND_DISPLAY"))
2720 backend = "wayland-backend.so";
2721 else if (getenv("DISPLAY"))
2722 backend = "x11-backend.so";
2723 else if (getenv("OPENWFD"))
2724 backend = "openwfd-backend.so";
2726 backend = "drm-backend.so";
2729 config_file = config_file_path("weston.ini");
2730 parse_config_file(config_file, cs, ARRAY_LENGTH(cs), shell);
2733 backend_init = load_module(backend, "backend_init", &backend_module);
2737 ec = backend_init(display, argc, argv);
2739 fprintf(stderr, "failed to create compositor\n");
2743 for (i = 1; argv[i]; i++)
2744 fprintf(stderr, "unhandled option: %s\n", argv[i]);
2748 ec->option_idle_time = idle_time;
2749 ec->idle_time = idle_time;
2753 module_init = load_module("xserver-launcher.so",
2754 "weston_xserver_init",
2756 if (module_init && module_init(ec) < 0)
2760 shell = "desktop-shell.so";
2761 module_init = load_module(shell, "shell_init", &shell_module);
2762 if (!module_init || module_init(ec) < 0)
2768 module_init = load_module(module, "module_init", NULL);
2769 if (module_init && module_init(ec) < 0)
2772 if (wl_display_add_socket(display, socket_name)) {
2773 fprintf(stderr, "failed to add socket: %m\n");
2777 weston_compositor_dpms_on(ec);
2778 weston_compositor_wake(ec);
2779 if (setjmp(segv_jmp_buf) == 0)
2780 wl_display_run(display);
2782 /* prevent further rendering while shutting down */
2783 ec->state = WESTON_COMPOSITOR_SLEEPING;
2785 wl_signal_emit(&ec->destroy_signal, ec);
2787 if (ec->has_bind_display)
2788 ec->unbind_display(ec->display, display);
2790 for (i = ARRAY_LENGTH(signals); i;)
2791 wl_event_source_remove(signals[--i]);
2794 wl_display_destroy(display);