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 wl_fixed_t x, wl_fixed_t y,
604 wl_fixed_t *sx, wl_fixed_t *sy)
606 struct weston_surface *surface;
608 wl_list_for_each(surface, &compositor->surface_list, link) {
609 weston_surface_from_global_fixed(surface, x, y, sx, sy);
610 if (pixman_region32_contains_point(&surface->input,
611 wl_fixed_to_int(*sx),
612 wl_fixed_to_int(*sy),
621 weston_device_repick(struct wl_input_device *device)
623 struct weston_input_device *wd = (struct weston_input_device *) device;
624 const struct wl_pointer_grab_interface *interface;
625 struct weston_surface *surface, *focus;
627 surface = weston_compositor_pick_surface(wd->compositor,
628 device->x, device->y,
632 if (&surface->surface != device->current) {
633 interface = device->pointer_grab->interface;
634 interface->focus(device->pointer_grab, &surface->surface,
635 device->current_x, device->current_y);
636 device->current = &surface->surface;
639 focus = (struct weston_surface *) device->pointer_grab->focus;
641 weston_surface_from_global_fixed(focus, device->x, device->y,
642 &device->pointer_grab->x,
643 &device->pointer_grab->y);
647 weston_compositor_repick(struct weston_compositor *compositor)
649 struct weston_input_device *device;
651 if (!compositor->focus)
654 wl_list_for_each(device, &compositor->input_device_list, link)
655 weston_device_repick(&device->input_device);
659 weston_surface_unmap(struct weston_surface *surface)
661 struct wl_input_device *device = surface->compositor->input_device;
663 weston_surface_damage_below(surface);
664 surface->output = NULL;
665 wl_list_remove(&surface->link);
666 wl_list_remove(&surface->layer_link);
668 if (device->keyboard_focus == &surface->surface)
669 wl_input_device_set_keyboard_focus(device, NULL);
670 if (device->pointer_focus == &surface->surface)
671 wl_input_device_set_pointer_focus(device, NULL,
672 wl_fixed_from_int(0),
673 wl_fixed_from_int(0));
675 weston_compositor_schedule_repaint(surface->compositor);
679 destroy_surface(struct wl_resource *resource)
681 struct weston_surface *surface =
682 container_of(resource,
683 struct weston_surface, surface.resource);
684 struct weston_compositor *compositor = surface->compositor;
686 if (weston_surface_is_mapped(surface))
687 weston_surface_unmap(surface);
689 if (surface->texture)
690 glDeleteTextures(1, &surface->texture);
693 wl_list_remove(&surface->buffer_destroy_listener.link);
695 if (surface->image != EGL_NO_IMAGE_KHR)
696 compositor->destroy_image(compositor->display,
699 pixman_region32_fini(&surface->transform.boundingbox);
700 pixman_region32_fini(&surface->damage);
701 pixman_region32_fini(&surface->opaque);
702 pixman_region32_fini(&surface->clip);
703 if (!region_is_undefined(&surface->input))
704 pixman_region32_fini(&surface->input);
710 weston_surface_destroy(struct weston_surface *surface)
712 /* Not a valid way to destroy a client surface */
713 assert(surface->surface.resource.client == NULL);
715 destroy_surface(&surface->surface.resource);
719 weston_surface_attach(struct wl_surface *surface, struct wl_buffer *buffer)
721 struct weston_surface *es = (struct weston_surface *) surface;
722 struct weston_compositor *ec = es->compositor;
725 weston_buffer_post_release(es->buffer);
726 wl_list_remove(&es->buffer_destroy_listener.link);
732 if (weston_surface_is_mapped(es))
733 weston_surface_unmap(es);
737 buffer->busy_count++;
738 wl_signal_add(&es->buffer->resource.destroy_signal,
739 &es->buffer_destroy_listener);
741 if (es->geometry.width != buffer->width ||
742 es->geometry.height != buffer->height) {
743 undef_region(&es->input);
744 pixman_region32_fini(&es->opaque);
745 pixman_region32_init(&es->opaque);
749 glGenTextures(1, &es->texture);
750 glBindTexture(GL_TEXTURE_2D, es->texture);
751 glTexParameteri(GL_TEXTURE_2D,
752 GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
753 glTexParameteri(GL_TEXTURE_2D,
754 GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
755 es->shader = &ec->texture_shader;
757 glBindTexture(GL_TEXTURE_2D, es->texture);
760 if (wl_buffer_is_shm(buffer)) {
761 es->pitch = wl_shm_buffer_get_stride(buffer) / 4;
762 glTexImage2D(GL_TEXTURE_2D, 0, GL_BGRA_EXT,
763 es->pitch, es->buffer->height, 0,
764 GL_BGRA_EXT, GL_UNSIGNED_BYTE, NULL);
766 if (es->image != EGL_NO_IMAGE_KHR)
767 ec->destroy_image(ec->display, es->image);
768 es->image = ec->create_image(ec->display, NULL,
769 EGL_WAYLAND_BUFFER_WL,
772 ec->image_target_texture_2d(GL_TEXTURE_2D, es->image);
774 es->pitch = buffer->width;
779 texture_region(struct weston_surface *es, pixman_region32_t *region)
781 struct weston_compositor *ec = es->compositor;
782 GLfloat *v, inv_width, inv_height;
784 pixman_box32_t *rectangles;
788 rectangles = pixman_region32_rectangles(region, &n);
789 v = wl_array_add(&ec->vertices, n * 16 * sizeof *v);
790 p = wl_array_add(&ec->indices, n * 6 * sizeof *p);
791 inv_width = 1.0 / es->pitch;
792 inv_height = 1.0 / es->geometry.height;
794 for (i = 0; i < n; i++, v += 16, p += 6) {
795 surface_from_global_float(es, rectangles[i].x1,
796 rectangles[i].y1, &sx, &sy);
797 v[ 0] = rectangles[i].x1;
798 v[ 1] = rectangles[i].y1;
799 v[ 2] = sx * inv_width;
800 v[ 3] = sy * inv_height;
802 surface_from_global_float(es, rectangles[i].x1,
803 rectangles[i].y2, &sx, &sy);
804 v[ 4] = rectangles[i].x1;
805 v[ 5] = rectangles[i].y2;
806 v[ 6] = sx * inv_width;
807 v[ 7] = sy * inv_height;
809 surface_from_global_float(es, rectangles[i].x2,
810 rectangles[i].y1, &sx, &sy);
811 v[ 8] = rectangles[i].x2;
812 v[ 9] = rectangles[i].y1;
813 v[10] = sx * inv_width;
814 v[11] = sy * inv_height;
816 surface_from_global_float(es, rectangles[i].x2,
817 rectangles[i].y2, &sx, &sy);
818 v[12] = rectangles[i].x2;
819 v[13] = rectangles[i].y2;
820 v[14] = sx * inv_width;
821 v[15] = sy * inv_height;
835 weston_surface_draw(struct weston_surface *es, struct weston_output *output,
836 pixman_region32_t *damage)
838 struct weston_compositor *ec = es->compositor;
840 pixman_region32_t repaint;
844 pixman_region32_init(&repaint);
845 pixman_region32_intersect(&repaint,
846 &es->transform.boundingbox, damage);
847 pixman_region32_subtract(&repaint, &repaint, &es->clip);
849 if (!pixman_region32_not_empty(&repaint))
852 glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
855 if (ec->current_shader != es->shader) {
856 glUseProgram(es->shader->program);
857 ec->current_shader = es->shader;
860 glUniformMatrix4fv(es->shader->proj_uniform,
861 1, GL_FALSE, output->matrix.d);
862 glUniform1i(es->shader->tex_uniform, 0);
863 glUniform4fv(es->shader->color_uniform, 1, es->color);
864 glUniform1f(es->shader->alpha_uniform, es->alpha / 255.0);
865 glUniform1f(es->shader->brightness_uniform, es->brightness / 255.0);
866 glUniform1f(es->shader->saturation_uniform, es->saturation / 255.0);
867 glUniform1f(es->shader->texwidth_uniform,
868 (GLfloat)es->geometry.width / es->pitch);
870 if (es->transform.enabled || output->zoom.active)
875 n = texture_region(es, &repaint);
877 glBindTexture(GL_TEXTURE_2D, es->texture);
878 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, filter);
879 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, filter);
881 v = ec->vertices.data;
882 glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 4 * sizeof *v, &v[0]);
883 glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, 4 * sizeof *v, &v[2]);
884 glEnableVertexAttribArray(0);
885 glEnableVertexAttribArray(1);
887 glDrawElements(GL_TRIANGLES, n * 6, GL_UNSIGNED_INT, ec->indices.data);
889 glDisableVertexAttribArray(1);
890 glDisableVertexAttribArray(0);
892 ec->vertices.size = 0;
893 ec->indices.size = 0;
896 pixman_region32_fini(&repaint);
900 weston_surface_restack(struct weston_surface *surface, struct wl_list *below)
902 wl_list_remove(&surface->layer_link);
903 wl_list_insert(below, &surface->layer_link);
904 weston_surface_damage_below(surface);
905 weston_surface_damage(surface);
909 weston_compositor_damage_all(struct weston_compositor *compositor)
911 struct weston_output *output;
913 wl_list_for_each(output, &compositor->output_list, link)
914 weston_output_damage(output);
918 weston_buffer_post_release(struct wl_buffer *buffer)
920 if (--buffer->busy_count > 0)
923 assert(buffer->resource.client != NULL);
924 wl_resource_queue_event(&buffer->resource, WL_BUFFER_RELEASE);
928 weston_output_damage(struct weston_output *output)
930 struct weston_compositor *compositor = output->compositor;
932 pixman_region32_union(&compositor->damage,
933 &compositor->damage, &output->region);
934 weston_compositor_schedule_repaint(compositor);
938 fade_frame(struct weston_animation *animation,
939 struct weston_output *output, uint32_t msecs)
941 struct weston_compositor *compositor =
942 container_of(animation,
943 struct weston_compositor, fade.animation);
944 struct weston_surface *surface;
946 surface = compositor->fade.surface;
947 weston_spring_update(&compositor->fade.spring, msecs);
948 weston_surface_set_color(surface, 0.0, 0.0, 0.0,
949 compositor->fade.spring.current);
950 weston_surface_damage(surface);
952 if (weston_spring_done(&compositor->fade.spring)) {
953 compositor->fade.spring.current =
954 compositor->fade.spring.target;
955 wl_list_remove(&animation->link);
956 wl_list_init(&animation->link);
958 if (compositor->fade.spring.current < 0.001) {
959 destroy_surface(&surface->surface.resource);
960 compositor->fade.surface = NULL;
961 } else if (compositor->fade.spring.current > 0.999) {
962 compositor->state = WESTON_COMPOSITOR_SLEEPING;
963 wl_signal_emit(&compositor->lock_signal, compositor);
968 struct weston_frame_callback {
969 struct wl_resource resource;
974 weston_output_repaint(struct weston_output *output, int msecs)
976 struct weston_compositor *ec = output->compositor;
977 struct weston_surface *es;
978 struct weston_layer *layer;
979 struct weston_animation *animation, *next;
980 struct weston_frame_callback *cb, *cnext;
981 pixman_region32_t opaque, new_damage, output_damage;
982 int32_t width, height;
984 weston_compositor_update_drag_surfaces(ec);
986 width = output->current->width +
987 output->border.left + output->border.right;
988 height = output->current->height +
989 output->border.top + output->border.bottom;
990 glViewport(0, 0, width, height);
992 /* Rebuild the surface list and update surface transforms up front. */
993 wl_list_init(&ec->surface_list);
994 wl_list_for_each(layer, &ec->layer_list, link) {
995 wl_list_for_each(es, &layer->surface_list, layer_link) {
996 weston_surface_update_transform(es);
997 wl_list_insert(ec->surface_list.prev, &es->link);
1001 if (output->assign_planes)
1003 * This will queue flips for the fbs and sprites where
1004 * applicable and clear the damage for those surfaces.
1005 * The repaint loop below will repaint everything
1008 output->assign_planes(output);
1010 pixman_region32_init(&new_damage);
1011 pixman_region32_init(&opaque);
1013 wl_list_for_each(es, &ec->surface_list, link) {
1014 pixman_region32_subtract(&es->damage, &es->damage, &opaque);
1015 pixman_region32_union(&new_damage, &new_damage, &es->damage);
1016 empty_region(&es->damage);
1017 pixman_region32_copy(&es->clip, &opaque);
1018 pixman_region32_union(&opaque, &opaque, &es->transform.opaque);
1021 pixman_region32_union(&ec->damage, &ec->damage, &new_damage);
1023 pixman_region32_init(&output_damage);
1024 pixman_region32_union(&output_damage,
1025 &ec->damage, &output->previous_damage);
1026 pixman_region32_copy(&output->previous_damage, &ec->damage);
1027 pixman_region32_intersect(&output_damage,
1028 &output_damage, &output->region);
1029 pixman_region32_subtract(&ec->damage, &ec->damage, &output->region);
1031 pixman_region32_fini(&opaque);
1032 pixman_region32_fini(&new_damage);
1035 weston_output_update_matrix(output);
1037 output->repaint(output, &output_damage);
1039 pixman_region32_fini(&output_damage);
1041 output->repaint_needed = 0;
1043 weston_compositor_repick(ec);
1044 wl_event_loop_dispatch(ec->input_loop, 0);
1046 wl_list_for_each_safe(cb, cnext, &output->frame_callback_list, link) {
1047 wl_callback_send_done(&cb->resource, msecs);
1048 wl_resource_destroy(&cb->resource);
1051 wl_list_for_each_safe(animation, next, &ec->animation_list, link)
1052 animation->frame(animation, output, msecs);
1056 weston_compositor_read_input(int fd, uint32_t mask, void *data)
1058 struct weston_compositor *compositor = data;
1060 wl_event_loop_dispatch(compositor->input_loop, 0);
1066 weston_output_finish_frame(struct weston_output *output, int msecs)
1068 struct weston_compositor *compositor = output->compositor;
1069 struct wl_event_loop *loop =
1070 wl_display_get_event_loop(compositor->wl_display);
1073 if (output->repaint_needed) {
1074 weston_output_repaint(output, msecs);
1078 output->repaint_scheduled = 0;
1079 if (compositor->input_loop_source)
1082 fd = wl_event_loop_get_fd(compositor->input_loop);
1083 compositor->input_loop_source =
1084 wl_event_loop_add_fd(loop, fd, WL_EVENT_READABLE,
1085 weston_compositor_read_input, compositor);
1089 idle_repaint(void *data)
1091 struct weston_output *output = data;
1093 weston_output_finish_frame(output, weston_compositor_get_time());
1097 weston_layer_init(struct weston_layer *layer, struct wl_list *below)
1099 wl_list_init(&layer->surface_list);
1100 wl_list_insert(below, &layer->link);
1104 weston_compositor_schedule_repaint(struct weston_compositor *compositor)
1106 struct weston_output *output;
1107 struct wl_event_loop *loop;
1109 if (compositor->state == WESTON_COMPOSITOR_SLEEPING)
1112 loop = wl_display_get_event_loop(compositor->wl_display);
1113 wl_list_for_each(output, &compositor->output_list, link) {
1114 output->repaint_needed = 1;
1115 if (output->repaint_scheduled)
1118 wl_event_loop_add_idle(loop, idle_repaint, output);
1119 output->repaint_scheduled = 1;
1122 if (compositor->input_loop_source) {
1123 wl_event_source_remove(compositor->input_loop_source);
1124 compositor->input_loop_source = NULL;
1129 weston_compositor_fade(struct weston_compositor *compositor, float tint)
1131 struct weston_surface *surface;
1134 done = weston_spring_done(&compositor->fade.spring);
1135 compositor->fade.spring.target = tint;
1136 if (weston_spring_done(&compositor->fade.spring))
1140 compositor->fade.spring.timestamp =
1141 weston_compositor_get_time();
1143 if (compositor->fade.surface == NULL) {
1144 surface = weston_surface_create(compositor);
1145 weston_surface_configure(surface, 0, 0, 8192, 8192);
1146 weston_surface_set_color(surface, 0.0, 0.0, 0.0, 0.0);
1147 wl_list_insert(&compositor->fade_layer.surface_list,
1148 &surface->layer_link);
1149 weston_surface_assign_output(surface);
1150 compositor->fade.surface = surface;
1151 pixman_region32_init(&surface->input);
1154 weston_surface_damage(compositor->fade.surface);
1155 if (wl_list_empty(&compositor->fade.animation.link))
1156 wl_list_insert(compositor->animation_list.prev,
1157 &compositor->fade.animation.link);
1161 surface_destroy(struct wl_client *client, struct wl_resource *resource)
1163 wl_resource_destroy(resource);
1166 static struct wl_resource *
1167 find_resource_for_client(struct wl_list *list, struct wl_client *client)
1169 struct wl_resource *r;
1171 wl_list_for_each(r, list, link) {
1172 if (r->client == client)
1180 weston_surface_update_output_mask(struct weston_surface *es, uint32_t mask)
1182 uint32_t different = es->output_mask ^ mask;
1183 uint32_t entered = mask & different;
1184 uint32_t left = es->output_mask & different;
1185 struct weston_output *output;
1186 struct wl_resource *resource;
1187 struct wl_client *client = es->surface.resource.client;
1189 if (es->surface.resource.client == NULL)
1194 es->output_mask = mask;
1195 wl_list_for_each(output, &es->compositor->output_list, link) {
1196 if (1 << output->id & different)
1198 find_resource_for_client(&output->resource_list,
1200 if (1 << output->id & entered)
1201 wl_surface_send_enter(&es->surface.resource, resource);
1202 if (1 << output->id & left)
1203 wl_surface_send_leave(&es->surface.resource, resource);
1208 weston_surface_assign_output(struct weston_surface *es)
1210 struct weston_compositor *ec = es->compositor;
1211 struct weston_output *output, *new_output;
1212 pixman_region32_t region;
1213 uint32_t max, area, mask;
1216 weston_surface_update_transform(es);
1221 pixman_region32_init(®ion);
1222 wl_list_for_each(output, &ec->output_list, link) {
1223 pixman_region32_intersect(®ion, &es->transform.boundingbox,
1226 e = pixman_region32_extents(®ion);
1227 area = (e->x2 - e->x1) * (e->y2 - e->y1);
1230 mask |= 1 << output->id;
1233 new_output = output;
1237 pixman_region32_fini(®ion);
1239 es->output = new_output;
1240 weston_surface_update_output_mask(es, mask);
1242 if (!wl_list_empty(&es->frame_callback_list)) {
1243 wl_list_insert_list(new_output->frame_callback_list.prev,
1244 &es->frame_callback_list);
1245 wl_list_init(&es->frame_callback_list);
1250 surface_attach(struct wl_client *client,
1251 struct wl_resource *resource,
1252 struct wl_resource *buffer_resource, int32_t sx, int32_t sy)
1254 struct weston_surface *es = resource->data;
1255 struct wl_buffer *buffer = NULL;
1257 if (buffer_resource)
1258 buffer = buffer_resource->data;
1260 weston_surface_attach(&es->surface, buffer);
1262 if (buffer && es->configure)
1263 es->configure(es, sx, sy);
1267 texture_set_subimage(struct weston_surface *surface,
1268 int32_t x, int32_t y, int32_t width, int32_t height)
1270 glBindTexture(GL_TEXTURE_2D, surface->texture);
1272 #ifdef GL_UNPACK_ROW_LENGTH
1273 /* Mesa does not define GL_EXT_unpack_subimage */
1275 if (surface->compositor->has_unpack_subimage) {
1276 glPixelStorei(GL_UNPACK_ROW_LENGTH, surface->pitch);
1277 glPixelStorei(GL_UNPACK_SKIP_PIXELS, x);
1278 glPixelStorei(GL_UNPACK_SKIP_ROWS, y);
1280 glTexSubImage2D(GL_TEXTURE_2D, 0, x, y, width, height,
1281 GL_BGRA_EXT, GL_UNSIGNED_BYTE,
1282 wl_shm_buffer_get_data(surface->buffer));
1287 glTexImage2D(GL_TEXTURE_2D, 0, GL_BGRA_EXT,
1288 surface->pitch, surface->buffer->height, 0,
1289 GL_BGRA_EXT, GL_UNSIGNED_BYTE,
1290 wl_shm_buffer_get_data(surface->buffer));
1294 surface_damage(struct wl_client *client,
1295 struct wl_resource *resource,
1296 int32_t x, int32_t y, int32_t width, int32_t height)
1298 struct weston_surface *es = resource->data;
1300 weston_surface_damage_rectangle(es, x, y, width, height);
1302 if (es->buffer && wl_buffer_is_shm(es->buffer))
1303 texture_set_subimage(es, x, y, width, height);
1307 destroy_frame_callback(struct wl_resource *resource)
1309 struct weston_frame_callback *cb = resource->data;
1311 wl_list_remove(&cb->link);
1316 surface_frame(struct wl_client *client,
1317 struct wl_resource *resource, uint32_t callback)
1319 struct weston_frame_callback *cb;
1320 struct weston_surface *es = resource->data;
1322 cb = malloc(sizeof *cb);
1324 wl_resource_post_no_memory(resource);
1328 cb->resource.object.interface = &wl_callback_interface;
1329 cb->resource.object.id = callback;
1330 cb->resource.destroy = destroy_frame_callback;
1331 cb->resource.client = client;
1332 cb->resource.data = cb;
1334 wl_client_add_resource(client, &cb->resource);
1337 wl_list_insert(es->output->frame_callback_list.prev,
1340 wl_list_insert(es->frame_callback_list.prev, &cb->link);
1345 surface_set_opaque_region(struct wl_client *client,
1346 struct wl_resource *resource,
1347 struct wl_resource *region_resource)
1349 struct weston_surface *surface = resource->data;
1350 struct weston_region *region;
1352 pixman_region32_fini(&surface->opaque);
1354 if (region_resource) {
1355 region = region_resource->data;
1356 pixman_region32_init_rect(&surface->opaque, 0, 0,
1357 surface->geometry.width,
1358 surface->geometry.height);
1359 pixman_region32_intersect(&surface->opaque,
1360 &surface->opaque, ®ion->region);
1362 pixman_region32_init(&surface->opaque);
1365 surface->geometry.dirty = 1;
1369 surface_set_input_region(struct wl_client *client,
1370 struct wl_resource *resource,
1371 struct wl_resource *region_resource)
1373 struct weston_surface *surface = resource->data;
1374 struct weston_region *region;
1376 if (region_resource) {
1377 region = region_resource->data;
1378 pixman_region32_init_rect(&surface->input, 0, 0,
1379 surface->geometry.width,
1380 surface->geometry.height);
1381 pixman_region32_intersect(&surface->input,
1382 &surface->input, ®ion->region);
1384 pixman_region32_init_rect(&surface->input, 0, 0,
1385 surface->geometry.width,
1386 surface->geometry.height);
1389 weston_compositor_schedule_repaint(surface->compositor);
1392 static const struct wl_surface_interface surface_interface = {
1397 surface_set_opaque_region,
1398 surface_set_input_region
1402 compositor_create_surface(struct wl_client *client,
1403 struct wl_resource *resource, uint32_t id)
1405 struct weston_compositor *ec = resource->data;
1406 struct weston_surface *surface;
1408 surface = weston_surface_create(ec);
1409 if (surface == NULL) {
1410 wl_resource_post_no_memory(resource);
1414 surface->surface.resource.destroy = destroy_surface;
1416 surface->surface.resource.object.id = id;
1417 surface->surface.resource.object.interface = &wl_surface_interface;
1418 surface->surface.resource.object.implementation =
1419 (void (**)(void)) &surface_interface;
1420 surface->surface.resource.data = surface;
1422 wl_client_add_resource(client, &surface->surface.resource);
1426 destroy_region(struct wl_resource *resource)
1428 struct weston_region *region =
1429 container_of(resource, struct weston_region, resource);
1431 pixman_region32_fini(®ion->region);
1436 region_destroy(struct wl_client *client, struct wl_resource *resource)
1438 wl_resource_destroy(resource);
1442 region_add(struct wl_client *client, struct wl_resource *resource,
1443 int32_t x, int32_t y, int32_t width, int32_t height)
1445 struct weston_region *region = resource->data;
1447 pixman_region32_union_rect(®ion->region, ®ion->region,
1448 x, y, width, height);
1452 region_subtract(struct wl_client *client, struct wl_resource *resource,
1453 int32_t x, int32_t y, int32_t width, int32_t height)
1455 struct weston_region *region = resource->data;
1456 pixman_region32_t rect;
1458 pixman_region32_init_rect(&rect, x, y, width, height);
1459 pixman_region32_subtract(®ion->region, ®ion->region, &rect);
1460 pixman_region32_fini(&rect);
1463 static const struct wl_region_interface region_interface = {
1470 compositor_create_region(struct wl_client *client,
1471 struct wl_resource *resource, uint32_t id)
1473 struct weston_region *region;
1475 region = malloc(sizeof *region);
1476 if (region == NULL) {
1477 wl_resource_post_no_memory(resource);
1481 region->resource.destroy = destroy_region;
1483 region->resource.object.id = id;
1484 region->resource.object.interface = &wl_region_interface;
1485 region->resource.object.implementation =
1486 (void (**)(void)) ®ion_interface;
1487 region->resource.data = region;
1489 pixman_region32_init(®ion->region);
1491 wl_client_add_resource(client, ®ion->resource);
1494 static const struct wl_compositor_interface compositor_interface = {
1495 compositor_create_surface,
1496 compositor_create_region
1500 weston_compositor_wake(struct weston_compositor *compositor)
1502 compositor->state = WESTON_COMPOSITOR_ACTIVE;
1503 weston_compositor_fade(compositor, 0.0);
1505 wl_event_source_timer_update(compositor->idle_source,
1506 compositor->idle_time * 1000);
1510 weston_compositor_dpms_on(struct weston_compositor *compositor)
1512 struct weston_output *output;
1514 wl_list_for_each(output, &compositor->output_list, link)
1515 if (output->set_dpms)
1516 output->set_dpms(output, WESTON_DPMS_ON);
1520 weston_compositor_activity(struct weston_compositor *compositor)
1522 if (compositor->state == WESTON_COMPOSITOR_ACTIVE) {
1523 weston_compositor_wake(compositor);
1525 weston_compositor_dpms_on(compositor);
1526 wl_signal_emit(&compositor->unlock_signal, compositor);
1531 weston_compositor_idle_inhibit(struct weston_compositor *compositor)
1533 weston_compositor_activity(compositor);
1534 compositor->idle_inhibit++;
1538 weston_compositor_idle_release(struct weston_compositor *compositor)
1540 compositor->idle_inhibit--;
1541 weston_compositor_activity(compositor);
1545 idle_handler(void *data)
1547 struct weston_compositor *compositor = data;
1549 if (compositor->idle_inhibit)
1552 weston_compositor_fade(compositor, 1.0);
1558 weston_input_update_drag_surface(struct wl_input_device *input_device,
1562 notify_motion(struct wl_input_device *device, uint32_t time, GLfloat x, GLfloat y)
1564 struct weston_output *output;
1565 const struct wl_pointer_grab_interface *interface;
1566 struct weston_input_device *wd = (struct weston_input_device *) device;
1567 struct weston_compositor *ec = wd->compositor;
1568 int x_valid = 0, y_valid = 0;
1569 int min_x = INT_MAX, min_y = INT_MAX, max_x = INT_MIN, max_y = INT_MIN;
1571 weston_compositor_activity(ec);
1573 wl_list_for_each(output, &ec->output_list, link) {
1574 if (output->x <= x && x < output->x + output->current->width)
1577 if (output->y <= y && y < output->y + output->current->height)
1580 /* FIXME: calculate this only on output addition/deletion */
1581 if (output->x < min_x)
1583 if (output->y < min_y)
1586 if (output->x + output->current->width > max_x)
1587 max_x = output->x + output->current->width - 1;
1588 if (output->y + output->current->height > max_y)
1589 max_y = output->y + output->current->height - 1;
1595 else if (x >= max_x)
1601 else if (y >= max_y)
1605 weston_input_update_drag_surface(device,
1606 x - device->x, y - device->y);
1608 device->x = wl_fixed_from_double(x);
1609 device->y = wl_fixed_from_double(y);
1611 wl_list_for_each(output, &ec->output_list, link)
1612 if (output->zoom.active &&
1613 pixman_region32_contains_point(&output->region, x, y, NULL))
1614 weston_output_update_zoom(output, x, y);
1616 weston_device_repick(device);
1617 interface = device->pointer_grab->interface;
1618 interface->motion(device->pointer_grab, time,
1619 device->pointer_grab->x, device->pointer_grab->y);
1621 x = wl_fixed_to_double(device->x);
1622 y = wl_fixed_to_double(device->y);
1625 weston_surface_set_position(wd->sprite,
1628 weston_compositor_schedule_repaint(ec);
1633 weston_surface_activate(struct weston_surface *surface,
1634 struct weston_input_device *device)
1636 struct weston_compositor *compositor = device->compositor;
1638 wl_input_device_set_keyboard_focus(&device->input_device,
1640 wl_data_device_set_keyboard_focus(&device->input_device);
1642 wl_signal_emit(&compositor->activate_signal, surface);
1646 notify_button(struct wl_input_device *device,
1647 uint32_t time, int32_t button, uint32_t state)
1649 struct weston_input_device *wd = (struct weston_input_device *) device;
1650 struct weston_compositor *compositor = wd->compositor;
1651 struct weston_surface *focus = (struct weston_surface *) device->pointer_focus;
1652 uint32_t serial = wl_display_next_serial(compositor->wl_display);
1655 if (compositor->ping_handler && focus)
1656 compositor->ping_handler(focus, serial);
1657 weston_compositor_idle_inhibit(compositor);
1658 if (device->button_count == 0) {
1659 device->grab_button = button;
1660 device->grab_time = time;
1661 device->grab_x = device->x;
1662 device->grab_y = device->y;
1664 device->button_count++;
1666 weston_compositor_idle_release(compositor);
1667 device->button_count--;
1670 weston_compositor_run_binding(compositor, wd, time, 0, button, 0, state);
1672 device->pointer_grab->interface->button(device->pointer_grab, time, button, state);
1674 if (device->button_count == 1)
1675 device->grab_serial =
1676 wl_display_get_serial(compositor->wl_display);
1680 notify_axis(struct wl_input_device *device,
1681 uint32_t time, uint32_t axis, int32_t value)
1683 struct weston_input_device *wd = (struct weston_input_device *) device;
1684 struct weston_compositor *compositor = wd->compositor;
1685 struct weston_surface *focus = (struct weston_surface *) device->pointer_focus;
1686 uint32_t serial = wl_display_next_serial(compositor->wl_display);
1688 if (compositor->ping_handler && focus)
1689 compositor->ping_handler(focus, serial);
1691 weston_compositor_activity(compositor);
1694 weston_compositor_run_binding(compositor, wd,
1695 time, 0, 0, axis, value);
1699 if (device->pointer_focus_resource)
1700 wl_resource_post_event(device->pointer_focus_resource,
1701 WL_INPUT_DEVICE_AXIS, time, axis, value);
1705 update_modifier_state(struct weston_input_device *device,
1706 uint32_t key, uint32_t state)
1713 modifier = MODIFIER_CTRL;
1718 modifier = MODIFIER_ALT;
1723 modifier = MODIFIER_SUPER;
1732 device->modifier_state |= modifier;
1734 device->modifier_state &= ~modifier;
1738 notify_key(struct wl_input_device *device,
1739 uint32_t time, uint32_t key, uint32_t state)
1741 struct weston_input_device *wd = (struct weston_input_device *) device;
1742 struct weston_compositor *compositor = wd->compositor;
1743 struct weston_surface *focus = (struct weston_surface *) device->pointer_focus;
1744 uint32_t serial = wl_display_next_serial(compositor->wl_display);
1748 if (compositor->ping_handler && focus)
1749 compositor->ping_handler(focus, serial);
1751 weston_compositor_idle_inhibit(compositor);
1752 device->grab_key = key;
1753 device->grab_time = time;
1755 weston_compositor_idle_release(compositor);
1758 update_modifier_state(wd, key, state);
1759 end = device->keys.data + device->keys.size;
1760 for (k = device->keys.data; k < end; k++) {
1764 device->keys.size = (void *) end - device->keys.data;
1766 k = wl_array_add(&device->keys, sizeof *k);
1770 if (device->keyboard_grab == &device->default_keyboard_grab)
1771 weston_compositor_run_binding(compositor, wd,
1772 time, key, 0, 0, state);
1774 device->keyboard_grab->interface->key(device->keyboard_grab,
1779 notify_pointer_focus(struct wl_input_device *device,
1780 struct weston_output *output, GLfloat x, GLfloat y)
1782 struct weston_input_device *wd = (struct weston_input_device *) device;
1783 struct weston_compositor *compositor = wd->compositor;
1786 weston_input_update_drag_surface(device,
1787 x - wl_fixed_to_double(device->x),
1788 y - wl_fixed_to_double(device->y));
1790 device->x = wl_fixed_from_double(x);
1791 device->y = wl_fixed_from_double(y);
1792 compositor->focus = 1;
1793 weston_compositor_repick(compositor);
1795 compositor->focus = 0;
1796 weston_compositor_repick(compositor);
1801 destroy_device_saved_kbd_focus(struct wl_listener *listener, void *data)
1803 struct weston_input_device *wd;
1805 wd = container_of(listener, struct weston_input_device,
1806 saved_kbd_focus_listener);
1808 wd->saved_kbd_focus = NULL;
1812 notify_keyboard_focus(struct wl_input_device *device, struct wl_array *keys)
1814 struct weston_input_device *wd =
1815 (struct weston_input_device *) device;
1816 struct weston_compositor *compositor = wd->compositor;
1817 struct wl_surface *surface;
1821 wl_array_copy(&wd->input_device.keys, keys);
1822 wd->modifier_state = 0;
1823 wl_array_for_each(k, &device->keys) {
1824 weston_compositor_idle_inhibit(compositor);
1825 update_modifier_state(wd, *k, 1);
1828 surface = wd->saved_kbd_focus;
1831 wl_list_remove(&wd->saved_kbd_focus_listener.link);
1832 wl_input_device_set_keyboard_focus(&wd->input_device,
1834 wd->saved_kbd_focus = NULL;
1837 wl_array_for_each(k, &device->keys)
1838 weston_compositor_idle_release(compositor);
1840 wd->modifier_state = 0;
1842 surface = wd->input_device.keyboard_focus;
1845 wd->saved_kbd_focus = surface;
1846 wd->saved_kbd_focus_listener.notify =
1847 destroy_device_saved_kbd_focus;
1848 wl_signal_add(&surface->resource.destroy_signal,
1849 &wd->saved_kbd_focus_listener);
1852 wl_input_device_set_keyboard_focus(&wd->input_device, NULL);
1853 /* FIXME: We really need keyboard grab cancel here to
1854 * let the grab shut down properly. As it is we leak
1856 wl_input_device_end_keyboard_grab(&wd->input_device);
1861 lose_touch_focus_resource(struct wl_listener *listener, void *data)
1863 struct weston_input_device *device =
1864 container_of(listener, struct weston_input_device,
1865 touch_focus_resource_listener);
1867 device->touch_focus_resource = NULL;
1871 lose_touch_focus(struct wl_listener *listener, void *data)
1873 struct weston_input_device *device =
1874 container_of(listener, struct weston_input_device,
1875 touch_focus_listener);
1877 device->touch_focus = NULL;
1881 touch_set_focus(struct weston_input_device *device,
1882 struct wl_surface *surface)
1884 struct wl_input_device *input_device = &device->input_device;
1885 struct wl_resource *resource;
1887 if (device->touch_focus == surface)
1892 find_resource_for_client(&input_device->resource_list,
1893 surface->resource.client);
1895 fprintf(stderr, "couldn't find resource\n");
1899 device->touch_focus_resource_listener.notify =
1900 lose_touch_focus_resource;
1901 wl_signal_add(&resource->destroy_signal,
1902 &device->touch_focus_resource_listener);
1903 device->touch_focus_listener.notify = lose_touch_focus;
1904 wl_signal_add(&surface->resource.destroy_signal,
1905 &device->touch_focus_listener);
1907 device->touch_focus = surface;
1908 device->touch_focus_resource = resource;
1910 if (device->touch_focus)
1911 wl_list_remove(&device->touch_focus_listener.link);
1912 if (device->touch_focus_resource)
1913 wl_list_remove(&device->touch_focus_resource_listener.link);
1914 device->touch_focus = NULL;
1915 device->touch_focus_resource = NULL;
1920 * notify_touch - emulates button touches and notifies surfaces accordingly.
1922 * It assumes always the correct cycle sequence until it gets here: touch_down
1923 * → touch_update → ... → touch_update → touch_end. The driver is responsible
1924 * for sending along such order.
1928 notify_touch(struct wl_input_device *device, uint32_t time, int touch_id,
1929 GLfloat x, GLfloat y, int touch_type)
1931 struct weston_input_device *wd = (struct weston_input_device *) device;
1932 struct weston_compositor *ec = wd->compositor;
1933 struct weston_surface *es;
1934 wl_fixed_t fx, fy, sx, sy;
1935 uint32_t serial = 0;
1937 fx = wl_fixed_from_double(x);
1938 fy = wl_fixed_from_double(y);
1940 switch (touch_type) {
1941 case WL_INPUT_DEVICE_TOUCH_DOWN:
1942 weston_compositor_idle_inhibit(ec);
1946 /* the first finger down picks the surface, and all further go
1947 * to that surface for the remainder of the touch session i.e.
1948 * until all touch points are up again. */
1949 if (wd->num_tp == 1) {
1950 es = weston_compositor_pick_surface(ec, fx, fy, &sx, &sy);
1951 touch_set_focus(wd, &es->surface);
1952 } else if (wd->touch_focus) {
1953 es = (struct weston_surface *) wd->touch_focus;
1954 weston_surface_from_global_fixed(es, fx, fy, &sx, &sy);
1957 if (wd->touch_focus_resource && wd->touch_focus)
1958 wl_input_device_send_touch_down(wd->touch_focus_resource,
1960 &wd->touch_focus->resource,
1963 case WL_INPUT_DEVICE_TOUCH_MOTION:
1964 es = (struct weston_surface *) wd->touch_focus;
1968 weston_surface_from_global_fixed(es, fx, fy, &sx, &sy);
1969 if (wd->touch_focus_resource)
1970 wl_input_device_send_touch_motion(wd->touch_focus_resource,
1971 time, touch_id, sx, sy);
1973 case WL_INPUT_DEVICE_TOUCH_UP:
1974 weston_compositor_idle_release(ec);
1977 if (wd->touch_focus_resource)
1978 wl_input_device_send_touch_up(wd->touch_focus_resource,
1979 serial, time, touch_id);
1980 if (wd->num_tp == 0)
1981 touch_set_focus(wd, NULL);
1987 input_device_attach(struct wl_client *client,
1988 struct wl_resource *resource,
1990 struct wl_resource *buffer_resource, int32_t x, int32_t y)
1992 struct weston_input_device *device = resource->data;
1993 struct weston_compositor *compositor = device->compositor;
1994 struct wl_buffer *buffer = NULL;
1996 if (serial < device->input_device.pointer_focus_serial)
1998 if (device->input_device.pointer_focus == NULL)
2000 if (device->input_device.pointer_focus->resource.client != client)
2003 if (buffer_resource)
2004 buffer = buffer_resource->data;
2006 weston_surface_attach(&device->sprite->surface, buffer);
2007 empty_region(&device->sprite->input);
2012 if (!weston_surface_is_mapped(device->sprite)) {
2013 wl_list_insert(&compositor->cursor_layer.surface_list,
2014 &device->sprite->layer_link);
2015 weston_surface_assign_output(device->sprite);
2019 device->hotspot_x = x;
2020 device->hotspot_y = y;
2021 weston_surface_configure(device->sprite,
2022 device->input_device.x - device->hotspot_x,
2023 device->input_device.y - device->hotspot_y,
2024 buffer->width, buffer->height);
2026 surface_damage(NULL, &device->sprite->surface.resource,
2027 0, 0, buffer->width, buffer->height);
2030 static const struct wl_input_device_interface input_device_interface = {
2031 input_device_attach,
2035 handle_drag_surface_destroy(struct wl_listener *listener, void *data)
2037 struct weston_input_device *device;
2039 device = container_of(listener, struct weston_input_device,
2040 drag_surface_destroy_listener);
2042 device->drag_surface = NULL;
2045 static void unbind_resource(struct wl_resource *resource)
2047 wl_list_remove(&resource->link);
2052 bind_input_device(struct wl_client *client,
2053 void *data, uint32_t version, uint32_t id)
2055 struct wl_input_device *device = data;
2056 struct wl_resource *resource;
2058 resource = wl_client_add_object(client, &wl_input_device_interface,
2059 &input_device_interface, id, data);
2060 wl_list_insert(&device->resource_list, &resource->link);
2061 resource->destroy = unbind_resource;
2065 device_handle_new_drag_icon(struct wl_listener *listener, void *data)
2067 struct weston_input_device *device;
2069 device = container_of(listener, struct weston_input_device,
2070 new_drag_icon_listener);
2072 weston_input_update_drag_surface(&device->input_device, 0, 0);
2076 weston_input_device_init(struct weston_input_device *device,
2077 struct weston_compositor *ec)
2079 wl_input_device_init(&device->input_device);
2081 wl_display_add_global(ec->wl_display, &wl_input_device_interface,
2082 device, bind_input_device);
2084 device->sprite = weston_surface_create(ec);
2085 device->sprite->surface.resource.data = device->sprite;
2087 device->compositor = ec;
2088 device->hotspot_x = 16;
2089 device->hotspot_y = 16;
2090 device->modifier_state = 0;
2093 device->drag_surface_destroy_listener.notify =
2094 handle_drag_surface_destroy;
2096 wl_list_insert(ec->input_device_list.prev, &device->link);
2098 device->new_drag_icon_listener.notify = device_handle_new_drag_icon;
2099 wl_signal_add(&device->input_device.drag_icon_signal,
2100 &device->new_drag_icon_listener);
2104 weston_input_device_release(struct weston_input_device *device)
2106 wl_list_remove(&device->link);
2107 /* The global object is destroyed at wl_display_destroy() time. */
2110 destroy_surface(&device->sprite->surface.resource);
2112 wl_input_device_release(&device->input_device);
2116 drag_surface_configure(struct weston_surface *es, int32_t sx, int32_t sy)
2118 weston_surface_configure(es,
2119 es->geometry.x + sx, es->geometry.y + sy,
2120 es->buffer->width, es->buffer->height);
2124 device_setup_new_drag_surface(struct weston_input_device *device,
2125 struct weston_surface *surface)
2127 struct wl_input_device *input_device = &device->input_device;
2129 if (surface->configure) {
2130 wl_resource_post_error(&surface->surface.resource,
2131 WL_DISPLAY_ERROR_INVALID_OBJECT,
2132 "surface->configure already set");
2136 device->drag_surface = surface;
2138 weston_surface_set_position(device->drag_surface,
2139 wl_fixed_to_double(input_device->x),
2140 wl_fixed_to_double(input_device->y));
2142 surface->configure = drag_surface_configure;
2144 wl_signal_add(&surface->surface.resource.destroy_signal,
2145 &device->drag_surface_destroy_listener);
2151 device_release_drag_surface(struct weston_input_device *device)
2153 device->drag_surface->configure = NULL;
2154 undef_region(&device->drag_surface->input);
2155 wl_list_remove(&device->drag_surface_destroy_listener.link);
2156 device->drag_surface = NULL;
2160 device_map_drag_surface(struct weston_input_device *device)
2162 if (weston_surface_is_mapped(device->drag_surface) ||
2163 !device->drag_surface->buffer)
2166 wl_list_insert(&device->sprite->layer_link,
2167 &device->drag_surface->layer_link);
2168 weston_surface_assign_output(device->drag_surface);
2169 empty_region(&device->drag_surface->input);
2173 weston_input_update_drag_surface(struct wl_input_device *input_device,
2176 int surface_changed = 0;
2177 struct weston_input_device *device = (struct weston_input_device *)
2180 if (!device->drag_surface && !input_device->drag_surface)
2183 if (device->drag_surface && input_device->drag_surface &&
2184 (&device->drag_surface->surface.resource !=
2185 &input_device->drag_surface->resource))
2186 /* between calls to this funcion we got a new drag_surface */
2187 surface_changed = 1;
2189 if (!input_device->drag_surface || surface_changed) {
2190 device_release_drag_surface(device);
2191 if (!surface_changed)
2195 if (!device->drag_surface || surface_changed) {
2196 struct weston_surface *surface = (struct weston_surface *)
2197 input_device->drag_surface;
2198 if (!device_setup_new_drag_surface(device, surface))
2202 /* the client may not have attached a buffer to the drag surface
2203 * when we setup it up, so check if map is needed on every update */
2204 device_map_drag_surface(device);
2206 /* the client may have attached a buffer with a different size to
2207 * the drag surface, causing the input region to be reset */
2208 if (region_is_undefined(&device->drag_surface->input))
2209 empty_region(&device->drag_surface->input);
2214 weston_surface_set_position(device->drag_surface,
2215 device->drag_surface->geometry.x + dx,
2216 device->drag_surface->geometry.y + dy);
2220 weston_compositor_update_drag_surfaces(struct weston_compositor *compositor)
2222 weston_input_update_drag_surface(compositor->input_device, 0, 0);
2226 bind_output(struct wl_client *client,
2227 void *data, uint32_t version, uint32_t id)
2229 struct weston_output *output = data;
2230 struct weston_mode *mode;
2231 struct wl_resource *resource;
2233 resource = wl_client_add_object(client,
2234 &wl_output_interface, NULL, id, data);
2236 wl_list_insert(&output->resource_list, &resource->link);
2237 resource->destroy = unbind_resource;
2239 wl_output_send_geometry(resource,
2245 output->make, output->model);
2247 wl_list_for_each (mode, &output->mode_list, link) {
2248 wl_output_send_mode(resource,
2256 static const char vertex_shader[] =
2257 "uniform mat4 proj;\n"
2258 "attribute vec2 position;\n"
2259 "attribute vec2 texcoord;\n"
2260 "varying vec2 v_texcoord;\n"
2263 " gl_Position = proj * vec4(position, 0.0, 1.0);\n"
2264 " v_texcoord = texcoord;\n"
2267 static const char texture_fragment_shader[] =
2268 "precision mediump float;\n"
2269 "varying vec2 v_texcoord;\n"
2270 "uniform sampler2D tex;\n"
2271 "uniform float alpha;\n"
2272 "uniform float bright;\n"
2273 "uniform float saturation;\n"
2274 "uniform float texwidth;\n"
2277 " if (v_texcoord.x < 0.0 || v_texcoord.x > texwidth ||\n"
2278 " v_texcoord.y < 0.0 || v_texcoord.y > 1.0)\n"
2280 " gl_FragColor = texture2D(tex, v_texcoord)\n;"
2281 " float gray = dot(gl_FragColor.rgb, vec3(0.299, 0.587, 0.114));\n"
2282 " vec3 range = (gl_FragColor.rgb - vec3 (gray, gray, gray)) * saturation;\n"
2283 " gl_FragColor = vec4(vec3(gray + range), gl_FragColor.a);\n"
2284 " gl_FragColor = vec4(vec3(bright, bright, bright) * gl_FragColor.rgb, gl_FragColor.a);\n"
2285 " gl_FragColor = alpha * gl_FragColor;\n"
2288 static const char solid_fragment_shader[] =
2289 "precision mediump float;\n"
2290 "uniform vec4 color;\n"
2291 "uniform float alpha;\n"
2294 " gl_FragColor = alpha * color\n;"
2298 compile_shader(GLenum type, const char *source)
2304 s = glCreateShader(type);
2305 glShaderSource(s, 1, &source, NULL);
2307 glGetShaderiv(s, GL_COMPILE_STATUS, &status);
2309 glGetShaderInfoLog(s, sizeof msg, NULL, msg);
2310 fprintf(stderr, "shader info: %s\n", msg);
2318 weston_shader_init(struct weston_shader *shader,
2319 const char *vertex_source, const char *fragment_source)
2324 shader->vertex_shader =
2325 compile_shader(GL_VERTEX_SHADER, vertex_source);
2326 shader->fragment_shader =
2327 compile_shader(GL_FRAGMENT_SHADER, fragment_source);
2329 shader->program = glCreateProgram();
2330 glAttachShader(shader->program, shader->vertex_shader);
2331 glAttachShader(shader->program, shader->fragment_shader);
2332 glBindAttribLocation(shader->program, 0, "position");
2333 glBindAttribLocation(shader->program, 1, "texcoord");
2335 glLinkProgram(shader->program);
2336 glGetProgramiv(shader->program, GL_LINK_STATUS, &status);
2338 glGetProgramInfoLog(shader->program, sizeof msg, NULL, msg);
2339 fprintf(stderr, "link info: %s\n", msg);
2343 shader->proj_uniform = glGetUniformLocation(shader->program, "proj");
2344 shader->tex_uniform = glGetUniformLocation(shader->program, "tex");
2345 shader->alpha_uniform = glGetUniformLocation(shader->program, "alpha");
2346 shader->brightness_uniform = glGetUniformLocation(shader->program, "bright");
2347 shader->saturation_uniform = glGetUniformLocation(shader->program, "saturation");
2348 shader->color_uniform = glGetUniformLocation(shader->program, "color");
2349 shader->texwidth_uniform = glGetUniformLocation(shader->program,
2356 weston_output_destroy(struct weston_output *output)
2358 struct weston_compositor *c = output->compositor;
2360 pixman_region32_fini(&output->region);
2361 pixman_region32_fini(&output->previous_damage);
2362 output->compositor->output_id_pool &= ~(1 << output->id);
2364 wl_display_remove_global(c->wl_display, output->global);
2368 weston_output_update_zoom(struct weston_output *output, int x, int y)
2372 if (output->zoom.level <= 0)
2375 output->zoom.magnification = 1 / output->zoom.level;
2376 ratio = 1 - (1 / output->zoom.magnification);
2378 output->zoom.trans_x = (((float)(x - output->x) / output->current->width) * (ratio * 2)) - ratio;
2379 output->zoom.trans_y = (((float)(y - output->y) / output->current->height) * (ratio * 2)) - ratio;
2382 weston_output_damage(output);
2386 weston_output_update_matrix(struct weston_output *output)
2389 struct weston_matrix camera;
2390 struct weston_matrix modelview;
2392 weston_matrix_init(&output->matrix);
2393 weston_matrix_translate(&output->matrix,
2394 -(output->x + (output->border.right + output->current->width - output->border.left) / 2.0),
2395 -(output->y + (output->border.bottom + output->current->height - output->border.top) / 2.0), 0);
2397 flip = (output->flags & WL_OUTPUT_FLIPPED) ? -1 : 1;
2398 weston_matrix_scale(&output->matrix,
2399 2.0 / (output->current->width + output->border.left + output->border.right),
2400 flip * 2.0 / (output->current->height + output->border.top + output->border.bottom), 1);
2401 if (output->zoom.active) {
2402 weston_matrix_init(&camera);
2403 weston_matrix_init(&modelview);
2404 weston_matrix_translate(&camera, output->zoom.trans_x, flip * output->zoom.trans_y, 0);
2405 weston_matrix_invert(&modelview, &camera);
2406 weston_matrix_scale(&modelview, output->zoom.magnification, output->zoom.magnification, 1.0);
2407 weston_matrix_multiply(&output->matrix, &modelview);
2414 weston_output_move(struct weston_output *output, int x, int y)
2419 pixman_region32_init(&output->previous_damage);
2420 pixman_region32_init_rect(&output->region, x, y,
2421 output->current->width,
2422 output->current->height);
2426 weston_output_init(struct weston_output *output, struct weston_compositor *c,
2427 int x, int y, int width, int height, uint32_t flags)
2429 output->compositor = c;
2432 output->border.top = 0;
2433 output->border.bottom = 0;
2434 output->border.left = 0;
2435 output->border.right = 0;
2436 output->mm_width = width;
2437 output->mm_height = height;
2439 wl_list_init(&output->read_pixels_list);
2441 output->zoom.active = 0;
2442 output->zoom.increment = 0.05;
2443 output->zoom.level = 1.0;
2444 output->zoom.magnification = 1.0;
2445 output->zoom.trans_x = 0.0;
2446 output->zoom.trans_y = 0.0;
2448 output->flags = flags;
2449 weston_output_move(output, x, y);
2450 weston_output_damage(output);
2452 wl_list_init(&output->frame_callback_list);
2453 wl_list_init(&output->resource_list);
2455 output->id = ffs(~output->compositor->output_id_pool) - 1;
2456 output->compositor->output_id_pool |= 1 << output->id;
2459 wl_display_add_global(c->wl_display, &wl_output_interface,
2460 output, bind_output);
2464 weston_output_do_read_pixels(struct weston_output *output)
2466 struct weston_read_pixels *r, *next;
2468 glPixelStorei(GL_PACK_ALIGNMENT, 1);
2469 wl_list_for_each_safe(r, next, &output->read_pixels_list, link) {
2470 glReadPixels(r->x, r->y, r->width, r->height,
2471 output->compositor->read_format,
2472 GL_UNSIGNED_BYTE, r->data);
2478 compositor_bind(struct wl_client *client,
2479 void *data, uint32_t version, uint32_t id)
2481 struct weston_compositor *compositor = data;
2483 wl_client_add_object(client, &wl_compositor_interface,
2484 &compositor_interface, id, compositor);
2488 weston_compositor_init(struct weston_compositor *ec, struct wl_display *display)
2490 struct wl_event_loop *loop;
2491 const char *extensions;
2493 ec->wl_display = display;
2494 wl_signal_init(&ec->destroy_signal);
2495 wl_signal_init(&ec->activate_signal);
2496 wl_signal_init(&ec->lock_signal);
2497 wl_signal_init(&ec->unlock_signal);
2498 ec->launcher_sock = weston_environment_get_fd("WESTON_LAUNCHER_SOCK");
2500 ec->output_id_pool = 0;
2502 if (!wl_display_add_global(display, &wl_compositor_interface,
2503 ec, compositor_bind))
2506 wl_display_init_shm(display);
2508 ec->image_target_texture_2d =
2509 (void *) eglGetProcAddress("glEGLImageTargetTexture2DOES");
2510 ec->image_target_renderbuffer_storage = (void *)
2511 eglGetProcAddress("glEGLImageTargetRenderbufferStorageOES");
2512 ec->create_image = (void *) eglGetProcAddress("eglCreateImageKHR");
2513 ec->destroy_image = (void *) eglGetProcAddress("eglDestroyImageKHR");
2515 (void *) eglGetProcAddress("eglBindWaylandDisplayWL");
2516 ec->unbind_display =
2517 (void *) eglGetProcAddress("eglUnbindWaylandDisplayWL");
2519 extensions = (const char *) glGetString(GL_EXTENSIONS);
2521 fprintf(stderr, "Retrieving GL extension string failed.\n");
2525 if (!strstr(extensions, "GL_EXT_texture_format_BGRA8888")) {
2527 "GL_EXT_texture_format_BGRA8888 not available\n");
2531 if (strstr(extensions, "GL_EXT_read_format_bgra"))
2532 ec->read_format = GL_BGRA_EXT;
2534 ec->read_format = GL_RGBA;
2536 if (strstr(extensions, "GL_EXT_unpack_subimage"))
2537 ec->has_unpack_subimage = 1;
2540 (const char *) eglQueryString(ec->display, EGL_EXTENSIONS);
2542 fprintf(stderr, "Retrieving EGL extension string failed.\n");
2546 if (strstr(extensions, "EGL_WL_bind_wayland_display"))
2547 ec->has_bind_display = 1;
2548 if (ec->has_bind_display)
2549 ec->bind_display(ec->display, ec->wl_display);
2551 wl_list_init(&ec->surface_list);
2552 wl_list_init(&ec->layer_list);
2553 wl_list_init(&ec->input_device_list);
2554 wl_list_init(&ec->output_list);
2555 wl_list_init(&ec->binding_list);
2556 wl_list_init(&ec->animation_list);
2557 weston_spring_init(&ec->fade.spring, 30.0, 1.0, 1.0);
2558 ec->fade.animation.frame = fade_frame;
2559 wl_list_init(&ec->fade.animation.link);
2561 weston_layer_init(&ec->fade_layer, &ec->layer_list);
2562 weston_layer_init(&ec->cursor_layer, &ec->fade_layer.link);
2564 screenshooter_create(ec);
2566 ec->ping_handler = NULL;
2568 wl_data_device_manager_init(ec->wl_display);
2570 glActiveTexture(GL_TEXTURE0);
2572 if (weston_shader_init(&ec->texture_shader,
2573 vertex_shader, texture_fragment_shader) < 0)
2575 if (weston_shader_init(&ec->solid_shader,
2576 vertex_shader, solid_fragment_shader) < 0)
2579 loop = wl_display_get_event_loop(ec->wl_display);
2580 ec->idle_source = wl_event_loop_add_timer(loop, idle_handler, ec);
2581 wl_event_source_timer_update(ec->idle_source, ec->idle_time * 1000);
2583 ec->input_loop = wl_event_loop_create();
2585 weston_compositor_schedule_repaint(ec);
2591 weston_compositor_shutdown(struct weston_compositor *ec)
2593 struct weston_output *output, *next;
2595 wl_event_source_remove(ec->idle_source);
2596 if (ec->input_loop_source)
2597 wl_event_source_remove(ec->input_loop_source);
2599 /* Destroy all outputs associated with this compositor */
2600 wl_list_for_each_safe(output, next, &ec->output_list, link)
2601 output->destroy(output);
2603 weston_binding_list_destroy_all(&ec->binding_list);
2605 wl_array_release(&ec->vertices);
2606 wl_array_release(&ec->indices);
2608 wl_event_loop_destroy(ec->input_loop);
2611 static int weston_compositor_xkb_init(struct weston_compositor *ec,
2612 struct xkb_rule_names *names)
2614 ec->xkb_info.context = xkb_context_new();
2615 if (ec->xkb_info.context == NULL) {
2616 fprintf(stderr, "failed to create XKB context\n");
2620 ec->xkb_info.names = *names;
2621 if (!ec->xkb_info.names.rules)
2622 ec->xkb_info.names.rules = strdup("evdev");
2623 if (!ec->xkb_info.names.model)
2624 ec->xkb_info.names.model = strdup("pc105");
2625 if (!ec->xkb_info.names.layout)
2626 ec->xkb_info.names.layout = strdup("us");
2628 ec->xkb_info.keymap = xkb_map_new_from_names(ec->xkb_info.context,
2629 &ec->xkb_info.names);
2630 if (ec->xkb_info.keymap == NULL) {
2631 fprintf(stderr, "failed to compile XKB keymap\n");
2635 ec->xkb_info.state = xkb_state_new(ec->xkb_info.keymap);
2636 if (ec->xkb_info.state == NULL) {
2637 fprintf(stderr, "failed to initialise XKB state\n");
2644 static void weston_compositor_xkb_destroy(struct weston_compositor *ec)
2646 xkb_state_unref(ec->xkb_info.state);
2647 xkb_map_unref(ec->xkb_info.keymap);
2648 xkb_context_unref(ec->xkb_info.context);
2650 free(ec->xkb_info.names.rules);
2651 free(ec->xkb_info.names.model);
2652 free(ec->xkb_info.names.layout);
2653 free(ec->xkb_info.names.variant);
2654 free(ec->xkb_info.names.options);
2657 static int on_term_signal(int signal_number, void *data)
2659 struct wl_display *display = data;
2661 fprintf(stderr, "caught signal %d\n", signal_number);
2662 wl_display_terminate(display);
2668 on_segv_signal(int s, siginfo_t *siginfo, void *context)
2674 fprintf(stderr, "caught segv\n");
2676 count = backtrace(buffer, ARRAY_LENGTH(buffer));
2677 for (i = 0; i < count; i++) {
2678 dladdr(buffer[i], &info);
2679 fprintf(stderr, " [%016lx] %s (%s)\n",
2681 info.dli_sname ? info.dli_sname : "--",
2685 longjmp(segv_jmp_buf, 1);
2690 load_module(const char *name, const char *entrypoint, void **handle)
2692 char path[PATH_MAX];
2693 void *module, *init;
2696 snprintf(path, sizeof path, MODULEDIR "/%s", name);
2698 snprintf(path, sizeof path, "%s", name);
2700 module = dlopen(path, RTLD_LAZY);
2703 "failed to load module '%s': %s\n", path, dlerror());
2707 init = dlsym(module, entrypoint);
2710 "failed to lookup init function in '%s': %s\n",
2718 int main(int argc, char *argv[])
2720 struct wl_display *display;
2721 struct weston_compositor *ec;
2722 struct wl_event_source *signals[4];
2723 struct wl_event_loop *loop;
2724 struct sigaction segv_action;
2725 void *shell_module, *backend_module, *xserver_module;
2726 int (*module_init)(struct weston_compositor *ec);
2727 struct weston_compositor
2728 *(*backend_init)(struct wl_display *display,
2729 int argc, char *argv[]);
2731 char *backend = NULL;
2733 char *module = NULL;
2734 int32_t idle_time = 300;
2735 int32_t xserver = 0;
2736 char *socket_name = NULL;
2738 struct xkb_rule_names xkb_names;
2740 const struct config_key shell_config_keys[] = {
2741 { "type", CONFIG_KEY_STRING, &shell },
2744 const struct config_key keyboard_config_keys[] = {
2745 { "keymap_rules", CONFIG_KEY_STRING, &xkb_names.rules },
2746 { "keymap_model", CONFIG_KEY_STRING, &xkb_names.model },
2747 { "keymap_layout", CONFIG_KEY_STRING, &xkb_names.layout },
2748 { "keymap_variant", CONFIG_KEY_STRING, &xkb_names.variant },
2749 { "keymap_options", CONFIG_KEY_STRING, &xkb_names.options },
2752 const struct config_section cs[] = {
2754 shell_config_keys, ARRAY_LENGTH(shell_config_keys) },
2756 keyboard_config_keys, ARRAY_LENGTH(keyboard_config_keys) },
2759 const struct weston_option core_options[] = {
2760 { WESTON_OPTION_STRING, "backend", 'B', &backend },
2761 { WESTON_OPTION_STRING, "socket", 'S', &socket_name },
2762 { WESTON_OPTION_INTEGER, "idle-time", 'i', &idle_time },
2763 { WESTON_OPTION_BOOLEAN, "xserver", 0, &xserver },
2764 { WESTON_OPTION_STRING, "module", 0, &module },
2767 memset(&xkb_names, 0, sizeof(xkb_names));
2769 argc = parse_options(core_options,
2770 ARRAY_LENGTH(core_options), argc, argv);
2772 display = wl_display_create();
2774 loop = wl_display_get_event_loop(display);
2775 signals[0] = wl_event_loop_add_signal(loop, SIGTERM, on_term_signal,
2777 signals[1] = wl_event_loop_add_signal(loop, SIGINT, on_term_signal,
2779 signals[2] = wl_event_loop_add_signal(loop, SIGQUIT, on_term_signal,
2782 wl_list_init(&child_process_list);
2783 signals[3] = wl_event_loop_add_signal(loop, SIGCHLD, sigchld_handler,
2786 segv_action.sa_flags = SA_SIGINFO | SA_RESETHAND;
2787 segv_action.sa_sigaction = on_segv_signal;
2788 sigemptyset(&segv_action.sa_mask);
2789 sigaction(SIGSEGV, &segv_action, NULL);
2792 if (getenv("WAYLAND_DISPLAY"))
2793 backend = "wayland-backend.so";
2794 else if (getenv("DISPLAY"))
2795 backend = "x11-backend.so";
2796 else if (getenv("OPENWFD"))
2797 backend = "openwfd-backend.so";
2799 backend = "drm-backend.so";
2802 config_file = config_file_path("weston.ini");
2803 parse_config_file(config_file, cs, ARRAY_LENGTH(cs), shell);
2806 backend_init = load_module(backend, "backend_init", &backend_module);
2810 ec = backend_init(display, argc, argv);
2812 fprintf(stderr, "failed to create compositor\n");
2816 for (i = 1; argv[i]; i++)
2817 fprintf(stderr, "unhandled option: %s\n", argv[i]);
2821 if (weston_compositor_xkb_init(ec, &xkb_names) == -1) {
2822 fprintf(stderr, "failed to initialise keyboard support\n");
2826 ec->option_idle_time = idle_time;
2827 ec->idle_time = idle_time;
2831 module_init = load_module("xserver-launcher.so",
2832 "weston_xserver_init",
2834 if (module_init && module_init(ec) < 0)
2838 shell = "desktop-shell.so";
2839 module_init = load_module(shell, "shell_init", &shell_module);
2840 if (!module_init || module_init(ec) < 0)
2846 module_init = load_module(module, "module_init", NULL);
2847 if (module_init && module_init(ec) < 0)
2850 if (wl_display_add_socket(display, socket_name)) {
2851 fprintf(stderr, "failed to add socket: %m\n");
2855 weston_compositor_dpms_on(ec);
2856 weston_compositor_wake(ec);
2857 if (setjmp(segv_jmp_buf) == 0)
2858 wl_display_run(display);
2860 /* prevent further rendering while shutting down */
2861 ec->state = WESTON_COMPOSITOR_SLEEPING;
2863 wl_signal_emit(&ec->destroy_signal, ec);
2865 if (ec->has_bind_display)
2866 ec->unbind_display(ec->display, display);
2868 for (i = ARRAY_LENGTH(signals); i;)
2869 wl_event_source_remove(signals[--i]);
2871 weston_compositor_xkb_destroy(ec);
2874 wl_display_destroy(display);