2 * Copyright © 2010-2011 Intel Corporation
3 * Copyright © 2008-2011 Kristian Høgsberg
4 * Copyright © 2012 Collabora, Ltd.
6 * Permission to use, copy, modify, distribute, and sell this software and
7 * its documentation for any purpose is hereby granted without fee, provided
8 * that the above copyright notice appear in all copies and that both that
9 * copyright notice and this permission notice appear in supporting
10 * documentation, and that the name of the copyright holders not be used in
11 * advertising or publicity pertaining to distribution of the software
12 * without specific, written prior permission. The copyright holders make
13 * no representations about the suitability of this software for any
14 * purpose. It is provided "as is" without express or implied warranty.
16 * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
17 * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
18 * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
19 * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
20 * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
21 * CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
22 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
37 #include <sys/ioctl.h>
40 #include <sys/socket.h>
43 #include <linux/input.h>
48 #include <wayland-server.h>
49 #include "compositor.h"
50 #include "../shared/os-compatibility.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 (os_socketpair_cloexec(AF_UNIX, SOCK_STREAM, 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 if (region->data != &undef_region_data)
192 pixman_region32_fini(region);
193 region->data = (pixman_region32_data_t *) &undef_region_data;
197 region_is_undefined(pixman_region32_t *region)
199 return region->data == &undef_region_data;
203 empty_region(pixman_region32_t *region)
205 if (!region_is_undefined(region))
206 pixman_region32_fini(region);
208 pixman_region32_init(region);
211 WL_EXPORT struct weston_surface *
212 weston_surface_create(struct weston_compositor *compositor)
214 struct weston_surface *surface;
216 surface = calloc(1, sizeof *surface);
220 wl_signal_init(&surface->surface.resource.destroy_signal);
222 wl_list_init(&surface->link);
223 wl_list_init(&surface->layer_link);
225 surface->surface.resource.client = NULL;
227 surface->compositor = compositor;
228 surface->image = EGL_NO_IMAGE_KHR;
229 surface->alpha = 1.0;
231 surface->opaque_rect[0] = 0.0;
232 surface->opaque_rect[1] = 0.0;
233 surface->opaque_rect[2] = 0.0;
234 surface->opaque_rect[3] = 0.0;
237 surface->buffer = NULL;
238 surface->output = NULL;
240 pixman_region32_init(&surface->damage);
241 pixman_region32_init(&surface->opaque);
242 pixman_region32_init(&surface->clip);
243 undef_region(&surface->input);
244 pixman_region32_init(&surface->transform.opaque);
245 wl_list_init(&surface->frame_callback_list);
247 surface->buffer_destroy_listener.notify =
248 surface_handle_buffer_destroy;
250 wl_list_init(&surface->geometry.transformation_list);
251 wl_list_insert(&surface->geometry.transformation_list,
252 &surface->transform.position.link);
253 weston_matrix_init(&surface->transform.position.matrix);
254 pixman_region32_init(&surface->transform.boundingbox);
255 surface->geometry.dirty = 1;
261 weston_surface_set_color(struct weston_surface *surface,
262 GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha)
264 surface->color[0] = red;
265 surface->color[1] = green;
266 surface->color[2] = blue;
267 surface->color[3] = alpha;
268 surface->shader = &surface->compositor->solid_shader;
272 surface_to_global_float(struct weston_surface *surface,
273 GLfloat sx, GLfloat sy, GLfloat *x, GLfloat *y)
275 if (surface->transform.enabled) {
276 struct weston_vector v = { { sx, sy, 0.0f, 1.0f } };
278 weston_matrix_transform(&surface->transform.matrix, &v);
280 if (fabsf(v.f[3]) < 1e-6) {
281 fprintf(stderr, "warning: numerical instability in "
282 "weston_surface_to_global(), divisor = %g\n",
289 *x = v.f[0] / v.f[3];
290 *y = v.f[1] / v.f[3];
292 *x = sx + surface->geometry.x;
293 *y = sy + surface->geometry.y;
298 weston_surface_damage_below(struct weston_surface *surface)
300 struct weston_compositor *compositor = surface->compositor;
301 pixman_region32_t damage;
303 pixman_region32_init(&damage);
304 pixman_region32_subtract(&damage, &surface->transform.boundingbox,
306 pixman_region32_union(&compositor->damage,
307 &compositor->damage, &damage);
308 pixman_region32_fini(&damage);
312 surface_compute_bbox(struct weston_surface *surface, int32_t sx, int32_t sy,
313 int32_t width, int32_t height,
314 pixman_region32_t *bbox)
316 GLfloat min_x = HUGE_VALF, min_y = HUGE_VALF;
317 GLfloat max_x = -HUGE_VALF, max_y = -HUGE_VALF;
322 { sx + width, sy + height }
324 GLfloat int_x, int_y;
327 for (i = 0; i < 4; ++i) {
329 surface_to_global_float(surface, s[i][0], s[i][1], &x, &y);
340 int_x = floorf(min_x);
341 int_y = floorf(min_y);
342 pixman_region32_init_rect(bbox, int_x, int_y,
343 ceilf(max_x) - int_x, ceilf(max_y) - int_y);
347 weston_surface_update_transform_disable(struct weston_surface *surface)
349 surface->transform.enabled = 0;
351 /* round off fractions when not transformed */
352 surface->geometry.x = roundf(surface->geometry.x);
353 surface->geometry.y = roundf(surface->geometry.y);
355 pixman_region32_init_rect(&surface->transform.boundingbox,
358 surface->geometry.width,
359 surface->geometry.height);
361 if (surface->alpha == 1.0) {
362 pixman_region32_copy(&surface->transform.opaque,
364 pixman_region32_translate(&surface->transform.opaque,
366 surface->geometry.y);
371 weston_surface_update_transform_enable(struct weston_surface *surface)
373 struct weston_matrix *matrix = &surface->transform.matrix;
374 struct weston_matrix *inverse = &surface->transform.inverse;
375 struct weston_transform *tform;
377 surface->transform.enabled = 1;
379 /* Otherwise identity matrix, but with x and y translation. */
380 surface->transform.position.matrix.d[12] = surface->geometry.x;
381 surface->transform.position.matrix.d[13] = surface->geometry.y;
383 weston_matrix_init(matrix);
384 wl_list_for_each(tform, &surface->geometry.transformation_list, link)
385 weston_matrix_multiply(matrix, &tform->matrix);
387 if (weston_matrix_invert(inverse, matrix) < 0) {
388 /* Oops, bad total transformation, not invertible */
389 fprintf(stderr, "error: weston_surface %p"
390 " transformation not invertible.\n", surface);
394 surface_compute_bbox(surface, 0, 0, surface->geometry.width,
395 surface->geometry.height,
396 &surface->transform.boundingbox);
402 weston_surface_update_transform(struct weston_surface *surface)
404 if (!surface->geometry.dirty)
407 surface->geometry.dirty = 0;
409 weston_surface_damage_below(surface);
411 pixman_region32_fini(&surface->transform.boundingbox);
412 pixman_region32_fini(&surface->transform.opaque);
413 pixman_region32_init(&surface->transform.opaque);
415 if (region_is_undefined(&surface->input))
416 pixman_region32_init_rect(&surface->input, 0, 0,
417 surface->geometry.width,
418 surface->geometry.height);
420 /* transform.position is always in transformation_list */
421 if (surface->geometry.transformation_list.next ==
422 &surface->transform.position.link &&
423 surface->geometry.transformation_list.prev ==
424 &surface->transform.position.link) {
425 weston_surface_update_transform_disable(surface);
427 if (weston_surface_update_transform_enable(surface) < 0)
428 weston_surface_update_transform_disable(surface);
431 /* weston_surface_damage() without update */
432 pixman_region32_union(&surface->damage, &surface->damage,
433 &surface->transform.boundingbox);
435 if (weston_surface_is_mapped(surface))
436 weston_surface_assign_output(surface);
438 weston_compositor_schedule_repaint(surface->compositor);
442 weston_surface_to_global_float(struct weston_surface *surface,
443 GLfloat sx, GLfloat sy, GLfloat *x, GLfloat *y)
445 surface_to_global_float(surface, sx, sy, x, y);
449 weston_surface_to_global_fixed(struct weston_surface *surface,
450 wl_fixed_t sx, wl_fixed_t sy,
451 wl_fixed_t *x, wl_fixed_t *y)
455 weston_surface_to_global_float(surface,
456 wl_fixed_to_double(sx),
457 wl_fixed_to_double(sy),
459 *x = wl_fixed_from_double(xf);
460 *y = wl_fixed_from_double(yf);
464 weston_surface_to_global(struct weston_surface *surface,
465 int32_t sx, int32_t sy, int32_t *x, int32_t *y)
469 weston_surface_to_global_float(surface, sx, sy, &xf, &yf);
475 surface_from_global_float(struct weston_surface *surface,
476 GLfloat x, GLfloat y, GLfloat *sx, GLfloat *sy)
478 if (surface->transform.enabled) {
479 struct weston_vector v = { { x, y, 0.0f, 1.0f } };
481 weston_matrix_transform(&surface->transform.inverse, &v);
483 if (fabsf(v.f[3]) < 1e-6) {
484 fprintf(stderr, "warning: numerical instability in "
485 "weston_surface_from_global(), divisor = %g\n",
492 *sx = v.f[0] / v.f[3];
493 *sy = v.f[1] / v.f[3];
495 *sx = x - surface->geometry.x;
496 *sy = y - surface->geometry.y;
501 weston_surface_from_global_fixed(struct weston_surface *surface,
502 wl_fixed_t x, wl_fixed_t y,
503 wl_fixed_t *sx, wl_fixed_t *sy)
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 surface_from_global_float(surface, x, y, &sxf, &syf);
527 weston_surface_damage_rectangle(struct weston_surface *surface,
528 int32_t sx, int32_t sy,
529 int32_t width, int32_t height)
531 if (surface->transform.enabled) {
532 pixman_region32_t box;
533 surface_compute_bbox(surface, sx, sy, width, height, &box);
534 pixman_region32_union(&surface->damage, &surface->damage,
536 pixman_region32_fini(&box);
538 pixman_region32_union_rect(&surface->damage, &surface->damage,
539 surface->geometry.x + sx,
540 surface->geometry.y + sy,
544 weston_compositor_schedule_repaint(surface->compositor);
548 weston_surface_damage(struct weston_surface *surface)
550 pixman_region32_union(&surface->damage, &surface->damage,
551 &surface->transform.boundingbox);
553 weston_compositor_schedule_repaint(surface->compositor);
557 weston_surface_configure(struct weston_surface *surface,
558 GLfloat x, GLfloat y, int width, int height)
560 surface->geometry.x = x;
561 surface->geometry.y = y;
562 surface->geometry.width = width;
563 surface->geometry.height = height;
564 surface->geometry.dirty = 1;
568 weston_surface_set_position(struct weston_surface *surface,
569 GLfloat x, GLfloat y)
571 surface->geometry.x = x;
572 surface->geometry.y = y;
573 surface->geometry.dirty = 1;
577 weston_surface_is_mapped(struct weston_surface *surface)
586 weston_compositor_get_time(void)
590 gettimeofday(&tv, NULL);
592 return tv.tv_sec * 1000 + tv.tv_usec / 1000;
595 static struct weston_surface *
596 weston_compositor_pick_surface(struct weston_compositor *compositor,
597 wl_fixed_t x, wl_fixed_t y,
598 wl_fixed_t *sx, wl_fixed_t *sy)
600 struct weston_surface *surface;
602 wl_list_for_each(surface, &compositor->surface_list, link) {
603 weston_surface_from_global_fixed(surface, x, y, sx, sy);
604 if (pixman_region32_contains_point(&surface->input,
605 wl_fixed_to_int(*sx),
606 wl_fixed_to_int(*sy),
615 weston_device_repick(struct wl_seat *seat)
617 struct weston_seat *ws = (struct weston_seat *) seat;
618 const struct wl_pointer_grab_interface *interface;
619 struct weston_surface *surface, *focus;
624 surface = weston_compositor_pick_surface(ws->compositor,
627 &seat->pointer->current_x,
628 &seat->pointer->current_y);
630 if (&surface->surface != seat->pointer->current) {
631 interface = seat->pointer->grab->interface;
632 seat->pointer->current = &surface->surface;
633 interface->focus(seat->pointer->grab, &surface->surface,
634 seat->pointer->current_x,
635 seat->pointer->current_y);
638 focus = (struct weston_surface *) seat->pointer->grab->focus;
640 weston_surface_from_global_fixed(focus,
643 &seat->pointer->grab->x,
644 &seat->pointer->grab->y);
648 weston_compositor_repick(struct weston_compositor *compositor)
650 struct weston_seat *seat;
652 if (!compositor->focus)
655 wl_list_for_each(seat, &compositor->seat_list, link)
656 weston_device_repick(&seat->seat);
660 weston_surface_unmap(struct weston_surface *surface)
662 struct weston_seat *seat;
664 weston_surface_damage_below(surface);
665 surface->output = NULL;
666 wl_list_remove(&surface->link);
667 wl_list_remove(&surface->layer_link);
669 wl_list_for_each(seat, &surface->compositor->seat_list, link) {
670 if (seat->seat.keyboard &&
671 seat->seat.keyboard->focus == &surface->surface)
672 wl_keyboard_set_focus(seat->seat.keyboard, NULL);
673 if (seat->seat.pointer &&
674 seat->seat.pointer->focus == &surface->surface)
675 wl_pointer_set_focus(seat->seat.pointer,
677 wl_fixed_from_int(0),
678 wl_fixed_from_int(0));
681 weston_compositor_schedule_repaint(surface->compositor);
685 destroy_surface(struct wl_resource *resource)
687 struct weston_surface *surface =
688 container_of(resource,
689 struct weston_surface, surface.resource);
690 struct weston_compositor *compositor = surface->compositor;
692 if (weston_surface_is_mapped(surface))
693 weston_surface_unmap(surface);
695 if (surface->texture)
696 glDeleteTextures(1, &surface->texture);
699 wl_list_remove(&surface->buffer_destroy_listener.link);
701 if (surface->image != EGL_NO_IMAGE_KHR)
702 compositor->destroy_image(compositor->display,
705 pixman_region32_fini(&surface->transform.boundingbox);
706 pixman_region32_fini(&surface->damage);
707 pixman_region32_fini(&surface->opaque);
708 pixman_region32_fini(&surface->clip);
709 if (!region_is_undefined(&surface->input))
710 pixman_region32_fini(&surface->input);
716 weston_surface_destroy(struct weston_surface *surface)
718 /* Not a valid way to destroy a client surface */
719 assert(surface->surface.resource.client == NULL);
721 wl_signal_emit(&surface->surface.resource.destroy_signal,
722 &surface->surface.resource);
723 destroy_surface(&surface->surface.resource);
727 weston_surface_attach(struct wl_surface *surface, struct wl_buffer *buffer)
729 struct weston_surface *es = (struct weston_surface *) surface;
730 struct weston_compositor *ec = es->compositor;
733 weston_buffer_post_release(es->buffer);
734 wl_list_remove(&es->buffer_destroy_listener.link);
740 if (weston_surface_is_mapped(es))
741 weston_surface_unmap(es);
745 buffer->busy_count++;
746 wl_signal_add(&es->buffer->resource.destroy_signal,
747 &es->buffer_destroy_listener);
749 if (es->geometry.width != buffer->width ||
750 es->geometry.height != buffer->height) {
751 undef_region(&es->input);
752 pixman_region32_fini(&es->opaque);
753 pixman_region32_init(&es->opaque);
757 glGenTextures(1, &es->texture);
758 glBindTexture(GL_TEXTURE_2D, es->texture);
759 glTexParameteri(GL_TEXTURE_2D,
760 GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
761 glTexParameteri(GL_TEXTURE_2D,
762 GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
763 es->shader = &ec->texture_shader;
765 glBindTexture(GL_TEXTURE_2D, es->texture);
768 if (wl_buffer_is_shm(buffer)) {
769 es->pitch = wl_shm_buffer_get_stride(buffer) / 4;
770 glTexImage2D(GL_TEXTURE_2D, 0, GL_BGRA_EXT,
771 es->pitch, es->buffer->height, 0,
772 GL_BGRA_EXT, GL_UNSIGNED_BYTE, NULL);
773 if (wl_shm_buffer_get_format(buffer) == WL_SHM_FORMAT_XRGB8888)
778 if (es->image != EGL_NO_IMAGE_KHR)
779 ec->destroy_image(ec->display, es->image);
780 es->image = ec->create_image(ec->display, NULL,
781 EGL_WAYLAND_BUFFER_WL,
784 ec->image_target_texture_2d(GL_TEXTURE_2D, es->image);
786 es->pitch = buffer->width;
791 texture_region(struct weston_surface *es, pixman_region32_t *region)
793 struct weston_compositor *ec = es->compositor;
794 GLfloat *v, inv_width, inv_height;
796 pixman_box32_t *rectangles;
800 rectangles = pixman_region32_rectangles(region, &n);
801 v = wl_array_add(&ec->vertices, n * 16 * sizeof *v);
802 p = wl_array_add(&ec->indices, n * 6 * sizeof *p);
803 inv_width = 1.0 / es->pitch;
804 inv_height = 1.0 / es->geometry.height;
806 for (i = 0; i < n; i++, v += 16, p += 6) {
807 surface_from_global_float(es, rectangles[i].x1,
808 rectangles[i].y1, &sx, &sy);
809 v[ 0] = rectangles[i].x1;
810 v[ 1] = rectangles[i].y1;
811 v[ 2] = sx * inv_width;
812 v[ 3] = sy * inv_height;
814 surface_from_global_float(es, rectangles[i].x1,
815 rectangles[i].y2, &sx, &sy);
816 v[ 4] = rectangles[i].x1;
817 v[ 5] = rectangles[i].y2;
818 v[ 6] = sx * inv_width;
819 v[ 7] = sy * inv_height;
821 surface_from_global_float(es, rectangles[i].x2,
822 rectangles[i].y1, &sx, &sy);
823 v[ 8] = rectangles[i].x2;
824 v[ 9] = rectangles[i].y1;
825 v[10] = sx * inv_width;
826 v[11] = sy * inv_height;
828 surface_from_global_float(es, rectangles[i].x2,
829 rectangles[i].y2, &sx, &sy);
830 v[12] = rectangles[i].x2;
831 v[13] = rectangles[i].y2;
832 v[14] = sx * inv_width;
833 v[15] = sy * inv_height;
847 weston_surface_draw(struct weston_surface *es, struct weston_output *output,
848 pixman_region32_t *damage)
850 GLfloat surface_rect[4] = { 0.0, 1.0, 0.0, 1.0 };
851 struct weston_compositor *ec = es->compositor;
853 pixman_region32_t repaint;
857 pixman_region32_init(&repaint);
858 pixman_region32_intersect(&repaint,
859 &es->transform.boundingbox, damage);
860 pixman_region32_subtract(&repaint, &repaint, &es->clip);
862 if (!pixman_region32_not_empty(&repaint))
865 glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
866 if (es->blend || es->alpha < 1.0)
871 if (ec->current_shader != es->shader) {
872 glUseProgram(es->shader->program);
873 ec->current_shader = es->shader;
876 glUniformMatrix4fv(es->shader->proj_uniform,
877 1, GL_FALSE, output->matrix.d);
878 glUniform1i(es->shader->tex_uniform, 0);
879 glUniform4fv(es->shader->color_uniform, 1, es->color);
880 glUniform1f(es->shader->alpha_uniform, es->alpha);
881 glUniform1f(es->shader->texwidth_uniform,
882 (GLfloat)es->geometry.width / es->pitch);
884 glUniform4fv(es->shader->opaque_uniform, 1, es->opaque_rect);
886 glUniform4fv(es->shader->opaque_uniform, 1, surface_rect);
888 if (es->transform.enabled || output->zoom.active)
893 n = texture_region(es, &repaint);
895 glBindTexture(GL_TEXTURE_2D, es->texture);
896 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, filter);
897 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, filter);
899 v = ec->vertices.data;
900 glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 4 * sizeof *v, &v[0]);
901 glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, 4 * sizeof *v, &v[2]);
902 glEnableVertexAttribArray(0);
903 glEnableVertexAttribArray(1);
905 glDrawElements(GL_TRIANGLES, n * 6, GL_UNSIGNED_INT, ec->indices.data);
907 glDisableVertexAttribArray(1);
908 glDisableVertexAttribArray(0);
910 ec->vertices.size = 0;
911 ec->indices.size = 0;
914 pixman_region32_fini(&repaint);
918 weston_surface_restack(struct weston_surface *surface, struct wl_list *below)
920 wl_list_remove(&surface->layer_link);
921 wl_list_insert(below, &surface->layer_link);
922 weston_surface_damage_below(surface);
923 weston_surface_damage(surface);
927 weston_compositor_damage_all(struct weston_compositor *compositor)
929 struct weston_output *output;
931 wl_list_for_each(output, &compositor->output_list, link)
932 weston_output_damage(output);
936 weston_buffer_post_release(struct wl_buffer *buffer)
938 if (--buffer->busy_count > 0)
941 assert(buffer->resource.client != NULL);
942 wl_resource_queue_event(&buffer->resource, WL_BUFFER_RELEASE);
946 weston_output_damage(struct weston_output *output)
948 struct weston_compositor *compositor = output->compositor;
950 pixman_region32_union(&compositor->damage,
951 &compositor->damage, &output->region);
952 weston_compositor_schedule_repaint(compositor);
956 fade_frame(struct weston_animation *animation,
957 struct weston_output *output, uint32_t msecs)
959 struct weston_compositor *compositor =
960 container_of(animation,
961 struct weston_compositor, fade.animation);
962 struct weston_surface *surface;
964 surface = compositor->fade.surface;
965 weston_spring_update(&compositor->fade.spring, msecs);
966 weston_surface_set_color(surface, 0.0, 0.0, 0.0,
967 compositor->fade.spring.current);
968 weston_surface_damage(surface);
970 if (weston_spring_done(&compositor->fade.spring)) {
971 compositor->fade.spring.current =
972 compositor->fade.spring.target;
973 wl_list_remove(&animation->link);
974 wl_list_init(&animation->link);
976 if (compositor->fade.spring.current < 0.001) {
977 destroy_surface(&surface->surface.resource);
978 compositor->fade.surface = NULL;
979 } else if (compositor->fade.spring.current > 0.999) {
980 compositor->state = WESTON_COMPOSITOR_SLEEPING;
981 wl_signal_emit(&compositor->lock_signal, compositor);
986 struct weston_frame_callback {
987 struct wl_resource resource;
992 weston_output_repaint(struct weston_output *output, int msecs)
994 struct weston_compositor *ec = output->compositor;
995 struct weston_surface *es;
996 struct weston_layer *layer;
997 struct weston_animation *animation, *next;
998 struct weston_frame_callback *cb, *cnext;
999 pixman_region32_t opaque, new_damage, output_damage;
1000 int32_t width, height;
1002 weston_compositor_update_drag_surfaces(ec);
1004 width = output->current->width +
1005 output->border.left + output->border.right;
1006 height = output->current->height +
1007 output->border.top + output->border.bottom;
1008 glViewport(0, 0, width, height);
1010 /* Rebuild the surface list and update surface transforms up front. */
1011 wl_list_init(&ec->surface_list);
1012 wl_list_for_each(layer, &ec->layer_list, link) {
1013 wl_list_for_each(es, &layer->surface_list, layer_link) {
1014 weston_surface_update_transform(es);
1015 wl_list_insert(ec->surface_list.prev, &es->link);
1019 if (output->assign_planes)
1021 * This will queue flips for the fbs and sprites where
1022 * applicable and clear the damage for those surfaces.
1023 * The repaint loop below will repaint everything
1026 output->assign_planes(output);
1028 pixman_region32_init(&new_damage);
1029 pixman_region32_init(&opaque);
1031 wl_list_for_each(es, &ec->surface_list, link) {
1032 pixman_region32_subtract(&es->damage, &es->damage, &opaque);
1033 pixman_region32_union(&new_damage, &new_damage, &es->damage);
1034 empty_region(&es->damage);
1035 pixman_region32_copy(&es->clip, &opaque);
1036 pixman_region32_union(&opaque, &opaque, &es->transform.opaque);
1039 pixman_region32_union(&ec->damage, &ec->damage, &new_damage);
1041 pixman_region32_init(&output_damage);
1042 pixman_region32_union(&output_damage,
1043 &ec->damage, &output->previous_damage);
1044 pixman_region32_copy(&output->previous_damage, &ec->damage);
1045 pixman_region32_intersect(&output_damage,
1046 &output_damage, &output->region);
1047 pixman_region32_subtract(&ec->damage, &ec->damage, &output->region);
1049 pixman_region32_fini(&opaque);
1050 pixman_region32_fini(&new_damage);
1053 weston_output_update_matrix(output);
1055 output->repaint(output, &output_damage);
1057 pixman_region32_fini(&output_damage);
1059 output->repaint_needed = 0;
1061 weston_compositor_repick(ec);
1062 wl_event_loop_dispatch(ec->input_loop, 0);
1064 wl_list_for_each_safe(cb, cnext, &output->frame_callback_list, link) {
1065 wl_callback_send_done(&cb->resource, msecs);
1066 wl_resource_destroy(&cb->resource);
1069 wl_list_for_each_safe(animation, next, &ec->animation_list, link)
1070 animation->frame(animation, output, msecs);
1074 weston_compositor_read_input(int fd, uint32_t mask, void *data)
1076 struct weston_compositor *compositor = data;
1078 wl_event_loop_dispatch(compositor->input_loop, 0);
1084 weston_output_finish_frame(struct weston_output *output, int msecs)
1086 struct weston_compositor *compositor = output->compositor;
1087 struct wl_event_loop *loop =
1088 wl_display_get_event_loop(compositor->wl_display);
1091 wl_signal_emit(&output->frame_signal, &msecs);
1093 if (output->repaint_needed) {
1094 weston_output_repaint(output, msecs);
1098 output->repaint_scheduled = 0;
1099 if (compositor->input_loop_source)
1102 fd = wl_event_loop_get_fd(compositor->input_loop);
1103 compositor->input_loop_source =
1104 wl_event_loop_add_fd(loop, fd, WL_EVENT_READABLE,
1105 weston_compositor_read_input, compositor);
1109 idle_repaint(void *data)
1111 struct weston_output *output = data;
1113 weston_output_finish_frame(output, weston_compositor_get_time());
1117 weston_layer_init(struct weston_layer *layer, struct wl_list *below)
1119 wl_list_init(&layer->surface_list);
1120 wl_list_insert(below, &layer->link);
1124 weston_compositor_schedule_repaint(struct weston_compositor *compositor)
1126 struct weston_output *output;
1127 struct wl_event_loop *loop;
1129 if (compositor->state == WESTON_COMPOSITOR_SLEEPING)
1132 loop = wl_display_get_event_loop(compositor->wl_display);
1133 wl_list_for_each(output, &compositor->output_list, link) {
1134 output->repaint_needed = 1;
1135 if (output->repaint_scheduled)
1138 wl_event_loop_add_idle(loop, idle_repaint, output);
1139 output->repaint_scheduled = 1;
1142 if (compositor->input_loop_source) {
1143 wl_event_source_remove(compositor->input_loop_source);
1144 compositor->input_loop_source = NULL;
1149 weston_compositor_fade(struct weston_compositor *compositor, float tint)
1151 struct weston_surface *surface;
1154 done = weston_spring_done(&compositor->fade.spring);
1155 compositor->fade.spring.target = tint;
1156 if (weston_spring_done(&compositor->fade.spring))
1160 compositor->fade.spring.timestamp =
1161 weston_compositor_get_time();
1163 if (compositor->fade.surface == NULL) {
1164 surface = weston_surface_create(compositor);
1165 weston_surface_configure(surface, 0, 0, 8192, 8192);
1166 weston_surface_set_color(surface, 0.0, 0.0, 0.0, 0.0);
1167 wl_list_insert(&compositor->fade_layer.surface_list,
1168 &surface->layer_link);
1169 weston_surface_assign_output(surface);
1170 compositor->fade.surface = surface;
1171 pixman_region32_init(&surface->input);
1174 weston_surface_damage(compositor->fade.surface);
1175 if (wl_list_empty(&compositor->fade.animation.link))
1176 wl_list_insert(compositor->animation_list.prev,
1177 &compositor->fade.animation.link);
1181 surface_destroy(struct wl_client *client, struct wl_resource *resource)
1183 wl_resource_destroy(resource);
1186 static struct wl_resource *
1187 find_resource_for_client(struct wl_list *list, struct wl_client *client)
1189 struct wl_resource *r;
1191 wl_list_for_each(r, list, link) {
1192 if (r->client == client)
1200 weston_surface_update_output_mask(struct weston_surface *es, uint32_t mask)
1202 uint32_t different = es->output_mask ^ mask;
1203 uint32_t entered = mask & different;
1204 uint32_t left = es->output_mask & different;
1205 struct weston_output *output;
1206 struct wl_resource *resource = NULL;
1207 struct wl_client *client = es->surface.resource.client;
1209 if (es->surface.resource.client == NULL)
1214 es->output_mask = mask;
1215 wl_list_for_each(output, &es->compositor->output_list, link) {
1216 if (1 << output->id & different)
1218 find_resource_for_client(&output->resource_list,
1220 if (1 << output->id & entered)
1221 wl_surface_send_enter(&es->surface.resource, resource);
1222 if (1 << output->id & left)
1223 wl_surface_send_leave(&es->surface.resource, resource);
1228 weston_surface_assign_output(struct weston_surface *es)
1230 struct weston_compositor *ec = es->compositor;
1231 struct weston_output *output, *new_output;
1232 pixman_region32_t region;
1233 uint32_t max, area, mask;
1239 pixman_region32_init(®ion);
1240 wl_list_for_each(output, &ec->output_list, link) {
1241 pixman_region32_intersect(®ion, &es->transform.boundingbox,
1244 e = pixman_region32_extents(®ion);
1245 area = (e->x2 - e->x1) * (e->y2 - e->y1);
1248 mask |= 1 << output->id;
1251 new_output = output;
1255 pixman_region32_fini(®ion);
1257 es->output = new_output;
1258 weston_surface_update_output_mask(es, mask);
1260 if (!wl_list_empty(&es->frame_callback_list)) {
1261 wl_list_insert_list(new_output->frame_callback_list.prev,
1262 &es->frame_callback_list);
1263 wl_list_init(&es->frame_callback_list);
1268 surface_attach(struct wl_client *client,
1269 struct wl_resource *resource,
1270 struct wl_resource *buffer_resource, int32_t sx, int32_t sy)
1272 struct weston_surface *es = resource->data;
1273 struct wl_buffer *buffer = NULL;
1275 if (buffer_resource)
1276 buffer = buffer_resource->data;
1278 weston_surface_attach(&es->surface, buffer);
1280 if (buffer && es->configure)
1281 es->configure(es, sx, sy);
1285 texture_set_subimage(struct weston_surface *surface,
1286 int32_t x, int32_t y, int32_t width, int32_t height)
1288 glBindTexture(GL_TEXTURE_2D, surface->texture);
1290 #ifdef GL_UNPACK_ROW_LENGTH
1291 /* Mesa does not define GL_EXT_unpack_subimage */
1293 if (surface->compositor->has_unpack_subimage) {
1294 glPixelStorei(GL_UNPACK_ROW_LENGTH, surface->pitch);
1295 glPixelStorei(GL_UNPACK_SKIP_PIXELS, x);
1296 glPixelStorei(GL_UNPACK_SKIP_ROWS, y);
1298 glTexSubImage2D(GL_TEXTURE_2D, 0, x, y, width, height,
1299 GL_BGRA_EXT, GL_UNSIGNED_BYTE,
1300 wl_shm_buffer_get_data(surface->buffer));
1305 glTexImage2D(GL_TEXTURE_2D, 0, GL_BGRA_EXT,
1306 surface->pitch, surface->buffer->height, 0,
1307 GL_BGRA_EXT, GL_UNSIGNED_BYTE,
1308 wl_shm_buffer_get_data(surface->buffer));
1312 surface_damage(struct wl_client *client,
1313 struct wl_resource *resource,
1314 int32_t x, int32_t y, int32_t width, int32_t height)
1316 struct weston_surface *es = resource->data;
1318 weston_surface_damage_rectangle(es, x, y, width, height);
1320 if (es->buffer && wl_buffer_is_shm(es->buffer))
1321 texture_set_subimage(es, x, y, width, height);
1325 destroy_frame_callback(struct wl_resource *resource)
1327 struct weston_frame_callback *cb = resource->data;
1329 wl_list_remove(&cb->link);
1334 surface_frame(struct wl_client *client,
1335 struct wl_resource *resource, uint32_t callback)
1337 struct weston_frame_callback *cb;
1338 struct weston_surface *es = resource->data;
1340 cb = malloc(sizeof *cb);
1342 wl_resource_post_no_memory(resource);
1346 cb->resource.object.interface = &wl_callback_interface;
1347 cb->resource.object.id = callback;
1348 cb->resource.destroy = destroy_frame_callback;
1349 cb->resource.client = client;
1350 cb->resource.data = cb;
1352 wl_client_add_resource(client, &cb->resource);
1355 wl_list_insert(es->output->frame_callback_list.prev,
1358 wl_list_insert(es->frame_callback_list.prev, &cb->link);
1363 surface_set_opaque_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 pixman_region32_fini(&surface->opaque);
1372 if (region_resource) {
1373 region = region_resource->data;
1374 pixman_region32_init_rect(&surface->opaque, 0, 0,
1375 surface->geometry.width,
1376 surface->geometry.height);
1377 pixman_region32_intersect(&surface->opaque,
1378 &surface->opaque, ®ion->region);
1380 pixman_region32_init(&surface->opaque);
1383 surface->geometry.dirty = 1;
1387 surface_set_input_region(struct wl_client *client,
1388 struct wl_resource *resource,
1389 struct wl_resource *region_resource)
1391 struct weston_surface *surface = resource->data;
1392 struct weston_region *region;
1394 if (region_resource) {
1395 region = region_resource->data;
1396 pixman_region32_init_rect(&surface->input, 0, 0,
1397 surface->geometry.width,
1398 surface->geometry.height);
1399 pixman_region32_intersect(&surface->input,
1400 &surface->input, ®ion->region);
1402 pixman_region32_init_rect(&surface->input, 0, 0,
1403 surface->geometry.width,
1404 surface->geometry.height);
1407 weston_compositor_schedule_repaint(surface->compositor);
1410 static const struct wl_surface_interface surface_interface = {
1415 surface_set_opaque_region,
1416 surface_set_input_region
1420 compositor_create_surface(struct wl_client *client,
1421 struct wl_resource *resource, uint32_t id)
1423 struct weston_compositor *ec = resource->data;
1424 struct weston_surface *surface;
1426 surface = weston_surface_create(ec);
1427 if (surface == NULL) {
1428 wl_resource_post_no_memory(resource);
1432 surface->surface.resource.destroy = destroy_surface;
1434 surface->surface.resource.object.id = id;
1435 surface->surface.resource.object.interface = &wl_surface_interface;
1436 surface->surface.resource.object.implementation =
1437 (void (**)(void)) &surface_interface;
1438 surface->surface.resource.data = surface;
1440 wl_client_add_resource(client, &surface->surface.resource);
1444 destroy_region(struct wl_resource *resource)
1446 struct weston_region *region =
1447 container_of(resource, struct weston_region, resource);
1449 pixman_region32_fini(®ion->region);
1454 region_destroy(struct wl_client *client, struct wl_resource *resource)
1456 wl_resource_destroy(resource);
1460 region_add(struct wl_client *client, struct wl_resource *resource,
1461 int32_t x, int32_t y, int32_t width, int32_t height)
1463 struct weston_region *region = resource->data;
1465 pixman_region32_union_rect(®ion->region, ®ion->region,
1466 x, y, width, height);
1470 region_subtract(struct wl_client *client, struct wl_resource *resource,
1471 int32_t x, int32_t y, int32_t width, int32_t height)
1473 struct weston_region *region = resource->data;
1474 pixman_region32_t rect;
1476 pixman_region32_init_rect(&rect, x, y, width, height);
1477 pixman_region32_subtract(®ion->region, ®ion->region, &rect);
1478 pixman_region32_fini(&rect);
1481 static const struct wl_region_interface region_interface = {
1488 compositor_create_region(struct wl_client *client,
1489 struct wl_resource *resource, uint32_t id)
1491 struct weston_region *region;
1493 region = malloc(sizeof *region);
1494 if (region == NULL) {
1495 wl_resource_post_no_memory(resource);
1499 region->resource.destroy = destroy_region;
1501 region->resource.object.id = id;
1502 region->resource.object.interface = &wl_region_interface;
1503 region->resource.object.implementation =
1504 (void (**)(void)) ®ion_interface;
1505 region->resource.data = region;
1507 pixman_region32_init(®ion->region);
1509 wl_client_add_resource(client, ®ion->resource);
1512 static const struct wl_compositor_interface compositor_interface = {
1513 compositor_create_surface,
1514 compositor_create_region
1518 weston_compositor_wake(struct weston_compositor *compositor)
1520 compositor->state = WESTON_COMPOSITOR_ACTIVE;
1521 weston_compositor_fade(compositor, 0.0);
1523 wl_event_source_timer_update(compositor->idle_source,
1524 compositor->idle_time * 1000);
1528 weston_compositor_dpms_on(struct weston_compositor *compositor)
1530 struct weston_output *output;
1532 wl_list_for_each(output, &compositor->output_list, link)
1533 if (output->set_dpms)
1534 output->set_dpms(output, WESTON_DPMS_ON);
1538 weston_compositor_activity(struct weston_compositor *compositor)
1540 if (compositor->state == WESTON_COMPOSITOR_ACTIVE) {
1541 weston_compositor_wake(compositor);
1543 weston_compositor_dpms_on(compositor);
1544 wl_signal_emit(&compositor->unlock_signal, compositor);
1549 weston_compositor_idle_inhibit(struct weston_compositor *compositor)
1551 weston_compositor_activity(compositor);
1552 compositor->idle_inhibit++;
1556 weston_compositor_idle_release(struct weston_compositor *compositor)
1558 compositor->idle_inhibit--;
1559 weston_compositor_activity(compositor);
1563 idle_handler(void *data)
1565 struct weston_compositor *compositor = data;
1567 if (compositor->idle_inhibit)
1570 weston_compositor_fade(compositor, 1.0);
1576 weston_seat_update_drag_surface(struct wl_seat *seat, int dx, int dy);
1579 clip_pointer_motion(struct weston_seat *seat, wl_fixed_t *fx, wl_fixed_t *fy)
1581 struct weston_compositor *ec = seat->compositor;
1582 struct weston_output *output, *prev = NULL;
1583 int x, y, old_x, old_y, valid = 0;
1585 x = wl_fixed_to_int(*fx);
1586 y = wl_fixed_to_int(*fy);
1587 old_x = wl_fixed_to_int(seat->seat.pointer->x);
1588 old_y = wl_fixed_to_int(seat->seat.pointer->y);
1590 wl_list_for_each(output, &ec->output_list, link) {
1591 if (pixman_region32_contains_point(&output->region,
1594 if (pixman_region32_contains_point(&output->region,
1595 old_x, old_y, NULL))
1601 *fx = wl_fixed_from_int(prev->x);
1602 else if (x >= prev->x + prev->current->width)
1603 *fx = wl_fixed_from_int(prev->x +
1604 prev->current->width - 1);
1606 *fy = wl_fixed_from_int(prev->y);
1607 else if (y >= prev->y + prev->current->height)
1608 *fy = wl_fixed_from_int(prev->y +
1609 prev->current->height - 1);
1614 notify_motion(struct wl_seat *seat, uint32_t time, wl_fixed_t x, wl_fixed_t y)
1616 const struct wl_pointer_grab_interface *interface;
1617 struct weston_seat *ws = (struct weston_seat *) seat;
1618 struct weston_compositor *ec = ws->compositor;
1619 struct weston_output *output;
1622 weston_compositor_activity(ec);
1624 clip_pointer_motion(ws, &x, &y);
1626 weston_seat_update_drag_surface(seat,
1627 x - seat->pointer->x,
1628 y - seat->pointer->y);
1630 seat->pointer->x = x;
1631 seat->pointer->y = y;
1633 ix = wl_fixed_to_int(x);
1634 iy = wl_fixed_to_int(y);
1636 wl_list_for_each(output, &ec->output_list, link)
1637 if (output->zoom.active &&
1638 pixman_region32_contains_point(&output->region,
1640 weston_output_update_zoom(output, x, y, ZOOM_POINTER);
1642 weston_device_repick(seat);
1643 interface = seat->pointer->grab->interface;
1644 interface->motion(seat->pointer->grab, time,
1645 seat->pointer->grab->x, seat->pointer->grab->y);
1648 weston_surface_set_position(ws->sprite,
1650 iy - ws->hotspot_y);
1651 weston_compositor_schedule_repaint(ec);
1656 weston_surface_activate(struct weston_surface *surface,
1657 struct weston_seat *seat)
1659 struct weston_compositor *compositor = seat->compositor;
1661 if (seat->seat.keyboard) {
1662 wl_keyboard_set_focus(seat->seat.keyboard, &surface->surface);
1663 wl_data_device_set_keyboard_focus(&seat->seat);
1665 if (seat->seat.keyboard->focus_resource) {
1666 wl_keyboard_send_modifiers(
1667 seat->seat.keyboard->focus_resource,
1668 wl_display_next_serial(compositor->wl_display),
1669 seat->xkb_state.mods_depressed,
1670 seat->xkb_state.mods_latched,
1671 seat->xkb_state.mods_locked,
1672 seat->xkb_state.group);
1676 wl_signal_emit(&compositor->activate_signal, surface);
1680 notify_button(struct wl_seat *seat, uint32_t time, int32_t button,
1681 enum wl_pointer_button_state state)
1683 struct weston_seat *ws = (struct weston_seat *) seat;
1684 struct weston_compositor *compositor = ws->compositor;
1685 struct weston_surface *focus =
1686 (struct weston_surface *) seat->pointer->focus;
1687 uint32_t serial = wl_display_next_serial(compositor->wl_display);
1689 if (state == WL_POINTER_BUTTON_STATE_PRESSED) {
1690 if (compositor->ping_handler && focus)
1691 compositor->ping_handler(focus, serial);
1692 weston_compositor_idle_inhibit(compositor);
1693 if (seat->pointer->button_count == 0) {
1694 seat->pointer->grab_button = button;
1695 seat->pointer->grab_time = time;
1696 seat->pointer->grab_x = seat->pointer->x;
1697 seat->pointer->grab_y = seat->pointer->y;
1699 seat->pointer->button_count++;
1701 weston_compositor_idle_release(compositor);
1702 seat->pointer->button_count--;
1705 weston_compositor_run_button_binding(compositor, ws, time, button,
1708 seat->pointer->grab->interface->button(seat->pointer->grab, time,
1711 if (seat->pointer->button_count == 1)
1712 seat->pointer->grab_serial =
1713 wl_display_get_serial(compositor->wl_display);
1717 notify_axis(struct wl_seat *seat, uint32_t time, uint32_t axis,
1720 struct weston_seat *ws = (struct weston_seat *) seat;
1721 struct weston_compositor *compositor = ws->compositor;
1722 struct weston_surface *focus =
1723 (struct weston_surface *) seat->pointer->focus;
1724 uint32_t serial = wl_display_next_serial(compositor->wl_display);
1726 if (compositor->ping_handler && focus)
1727 compositor->ping_handler(focus, serial);
1729 weston_compositor_activity(compositor);
1732 weston_compositor_run_axis_binding(compositor, ws, time, axis,
1737 if (seat->pointer->focus_resource)
1738 wl_pointer_send_axis(seat->pointer->focus_resource, time, axis,
1743 update_modifier_state(struct weston_seat *seat, uint32_t key, uint32_t state)
1745 uint32_t mods_depressed, mods_latched, mods_locked, group;
1746 uint32_t mods_lookup;
1747 enum weston_led leds = 0;
1750 /* First update the XKB state object with the keypress. */
1751 xkb_state_update_key(seat->xkb_state.state, key + 8,
1752 state ? XKB_KEY_DOWN : XKB_KEY_UP);
1754 /* Serialize and update our internal state, checking to see if it's
1755 * different to the previous state. */
1756 mods_depressed = xkb_state_serialize_mods(seat->xkb_state.state,
1757 XKB_STATE_DEPRESSED);
1758 mods_latched = xkb_state_serialize_mods(seat->xkb_state.state,
1760 mods_locked = xkb_state_serialize_mods(seat->xkb_state.state,
1762 group = xkb_state_serialize_group(seat->xkb_state.state,
1763 XKB_STATE_EFFECTIVE);
1765 if (mods_depressed != seat->xkb_state.mods_depressed ||
1766 mods_latched != seat->xkb_state.mods_latched ||
1767 mods_locked != seat->xkb_state.mods_locked ||
1768 group != seat->xkb_state.group)
1771 seat->xkb_state.mods_depressed = mods_depressed;
1772 seat->xkb_state.mods_latched = mods_latched;
1773 seat->xkb_state.mods_locked = mods_locked;
1774 seat->xkb_state.group = group;
1776 /* And update the modifier_state for bindings. */
1777 mods_lookup = mods_depressed | mods_latched;
1778 seat->modifier_state = 0;
1779 if (mods_lookup & (1 << seat->xkb_info.ctrl_mod))
1780 seat->modifier_state |= MODIFIER_CTRL;
1781 if (mods_lookup & (1 << seat->xkb_info.alt_mod))
1782 seat->modifier_state |= MODIFIER_ALT;
1783 if (mods_lookup & (1 << seat->xkb_info.super_mod))
1784 seat->modifier_state |= MODIFIER_SUPER;
1786 /* Finally, notify the compositor that LEDs have changed. */
1787 if (xkb_state_led_index_is_active(seat->xkb_state.state,
1788 seat->xkb_info.num_led))
1789 leds |= LED_NUM_LOCK;
1790 if (xkb_state_led_index_is_active(seat->xkb_state.state,
1791 seat->xkb_info.caps_led))
1792 leds |= LED_CAPS_LOCK;
1793 if (xkb_state_led_index_is_active(seat->xkb_state.state,
1794 seat->xkb_info.scroll_led))
1795 leds |= LED_SCROLL_LOCK;
1796 if (leds != seat->xkb_state.leds && seat->led_update)
1797 seat->led_update(seat, leds);
1798 seat->xkb_state.leds = leds;
1804 notify_key(struct wl_seat *seat, uint32_t time, uint32_t key,
1805 enum wl_keyboard_key_state state)
1807 struct weston_seat *ws = (struct weston_seat *) seat;
1808 struct weston_compositor *compositor = ws->compositor;
1809 struct weston_surface *focus =
1810 (struct weston_surface *) seat->pointer->focus;
1811 struct wl_keyboard_grab *grab = seat->keyboard->grab;
1812 uint32_t serial = wl_display_next_serial(compositor->wl_display);
1816 if (state == WL_KEYBOARD_KEY_STATE_PRESSED) {
1817 if (compositor->ping_handler && focus)
1818 compositor->ping_handler(focus, serial);
1820 weston_compositor_idle_inhibit(compositor);
1821 seat->keyboard->grab_key = key;
1822 seat->keyboard->grab_time = time;
1824 weston_compositor_idle_release(compositor);
1827 mods = update_modifier_state(ws, key, state);
1828 end = seat->keyboard->keys.data + seat->keyboard->keys.size;
1829 for (k = seat->keyboard->keys.data; k < end; k++) {
1833 seat->keyboard->keys.size = (void *) end - seat->keyboard->keys.data;
1834 if (state == WL_KEYBOARD_KEY_STATE_PRESSED) {
1835 k = wl_array_add(&seat->keyboard->keys, sizeof *k);
1839 if (grab == &seat->keyboard->default_grab)
1840 weston_compositor_run_key_binding(compositor, ws, time, key,
1843 grab->interface->key(grab, time, key, state);
1845 grab->interface->modifiers(grab,
1846 wl_display_get_serial(compositor->wl_display),
1847 ws->xkb_state.mods_depressed,
1848 ws->xkb_state.mods_latched,
1849 ws->xkb_state.mods_locked,
1850 ws->xkb_state.group);
1854 notify_pointer_focus(struct wl_seat *seat, struct weston_output *output,
1855 wl_fixed_t x, wl_fixed_t y)
1857 struct weston_seat *ws = (struct weston_seat *) seat;
1858 struct weston_compositor *compositor = ws->compositor;
1861 weston_seat_update_drag_surface(seat,
1862 x - seat->pointer->x,
1863 y - seat->pointer->y);
1865 seat->pointer->x = x;
1866 seat->pointer->y = y;
1867 compositor->focus = 1;
1868 weston_compositor_repick(compositor);
1870 compositor->focus = 0;
1871 weston_compositor_repick(compositor);
1876 destroy_device_saved_kbd_focus(struct wl_listener *listener, void *data)
1878 struct weston_seat *ws;
1880 ws = container_of(listener, struct weston_seat,
1881 saved_kbd_focus_listener);
1883 ws->saved_kbd_focus = NULL;
1887 notify_keyboard_focus(struct wl_seat *seat, struct wl_array *keys)
1889 struct weston_seat *ws = (struct weston_seat *) seat;
1890 struct weston_compositor *compositor = ws->compositor;
1891 struct wl_surface *surface;
1895 wl_array_copy(&seat->keyboard->keys, keys);
1896 ws->modifier_state = 0;
1897 wl_array_for_each(k, &seat->keyboard->keys) {
1898 weston_compositor_idle_inhibit(compositor);
1899 update_modifier_state(ws, *k, 1);
1902 surface = ws->saved_kbd_focus;
1905 wl_list_remove(&ws->saved_kbd_focus_listener.link);
1906 wl_keyboard_set_focus(ws->seat.keyboard, surface);
1908 if (seat->keyboard->focus_resource) {
1909 wl_keyboard_send_modifiers(seat->keyboard->focus_resource,
1910 wl_display_next_serial(compositor->wl_display),
1911 ws->xkb_state.mods_depressed,
1912 ws->xkb_state.mods_latched,
1913 ws->xkb_state.mods_locked,
1914 ws->xkb_state.group);
1916 ws->saved_kbd_focus = NULL;
1919 wl_array_for_each(k, &seat->keyboard->keys)
1920 weston_compositor_idle_release(compositor);
1922 ws->modifier_state = 0;
1924 surface = ws->seat.keyboard->focus;
1927 ws->saved_kbd_focus = surface;
1928 ws->saved_kbd_focus_listener.notify =
1929 destroy_device_saved_kbd_focus;
1930 wl_signal_add(&surface->resource.destroy_signal,
1931 &ws->saved_kbd_focus_listener);
1934 wl_keyboard_set_focus(ws->seat.keyboard, NULL);
1935 /* FIXME: We really need keyboard grab cancel here to
1936 * let the grab shut down properly. As it is we leak
1938 wl_keyboard_end_grab(ws->seat.keyboard);
1943 lose_touch_focus_resource(struct wl_listener *listener, void *data)
1945 struct weston_seat *seat = container_of(listener, struct weston_seat,
1946 touch_focus_resource_listener);
1948 seat->touch_focus_resource = NULL;
1952 lose_touch_focus(struct wl_listener *listener, void *data)
1954 struct weston_seat *seat = container_of(listener, struct weston_seat,
1955 touch_focus_listener);
1957 seat->touch_focus = NULL;
1961 touch_set_focus(struct weston_seat *ws, struct wl_surface *surface)
1963 struct wl_seat *seat = &ws->seat;
1964 struct wl_resource *resource;
1966 if (ws->touch_focus == surface)
1971 find_resource_for_client(&seat->touch->resource_list,
1972 surface->resource.client);
1974 fprintf(stderr, "couldn't find resource\n");
1978 ws->touch_focus_resource_listener.notify =
1979 lose_touch_focus_resource;
1980 wl_signal_add(&resource->destroy_signal,
1981 &ws->touch_focus_resource_listener);
1982 ws->touch_focus_listener.notify = lose_touch_focus;
1983 wl_signal_add(&surface->resource.destroy_signal,
1984 &ws->touch_focus_listener);
1986 seat->touch->focus = surface;
1987 seat->touch->focus_resource = resource;
1989 if (seat->touch->focus)
1990 wl_list_remove(&ws->touch_focus_listener.link);
1991 if (seat->touch->focus_resource)
1992 wl_list_remove(&ws->touch_focus_resource_listener.link);
1993 seat->touch->focus = NULL;
1994 seat->touch->focus_resource = NULL;
1999 * notify_touch - emulates button touches and notifies surfaces accordingly.
2001 * It assumes always the correct cycle sequence until it gets here: touch_down
2002 * → touch_update → ... → touch_update → touch_end. The driver is responsible
2003 * for sending along such order.
2007 notify_touch(struct wl_seat *seat, uint32_t time, int touch_id,
2008 wl_fixed_t x, wl_fixed_t y, int touch_type)
2010 struct weston_seat *ws = (struct weston_seat *) seat;
2011 struct weston_compositor *ec = ws->compositor;
2012 struct weston_surface *es;
2014 uint32_t serial = 0;
2016 switch (touch_type) {
2018 weston_compositor_idle_inhibit(ec);
2022 /* the first finger down picks the surface, and all further go
2023 * to that surface for the remainder of the touch session i.e.
2024 * until all touch points are up again. */
2025 if (ws->num_tp == 1) {
2026 es = weston_compositor_pick_surface(ec, x, y, &sx, &sy);
2027 touch_set_focus(ws, &es->surface);
2028 } else if (ws->touch_focus) {
2029 es = (struct weston_surface *) ws->touch_focus;
2030 weston_surface_from_global_fixed(es, x, y, &sx, &sy);
2033 if (ws->touch_focus_resource && ws->touch_focus)
2034 wl_touch_send_down(ws->touch_focus_resource,
2036 &ws->touch_focus->resource,
2039 case WL_TOUCH_MOTION:
2040 es = (struct weston_surface *) ws->touch_focus;
2044 weston_surface_from_global_fixed(es, x, y, &sx, &sy);
2045 if (ws->touch_focus_resource)
2046 wl_touch_send_motion(ws->touch_focus_resource,
2047 time, touch_id, sx, sy);
2050 weston_compositor_idle_release(ec);
2053 if (ws->touch_focus_resource)
2054 wl_touch_send_up(ws->touch_focus_resource,
2055 serial, time, touch_id);
2056 if (ws->num_tp == 0)
2057 touch_set_focus(ws, NULL);
2063 pointer_attach(struct wl_client *client, struct wl_resource *resource,
2064 uint32_t serial, struct wl_resource *buffer_resource,
2065 int32_t x, int32_t y)
2067 struct weston_seat *seat = resource->data;
2068 struct weston_compositor *compositor = seat->compositor;
2069 struct wl_buffer *buffer = NULL;
2071 if (serial < seat->seat.pointer->focus_serial)
2073 if (seat->seat.pointer->focus == NULL)
2075 if (seat->seat.pointer->focus->resource.client != client)
2078 if (buffer_resource)
2079 buffer = buffer_resource->data;
2081 weston_surface_attach(&seat->sprite->surface, buffer);
2082 empty_region(&seat->sprite->input);
2087 if (!weston_surface_is_mapped(seat->sprite)) {
2088 wl_list_insert(&compositor->cursor_layer.surface_list,
2089 &seat->sprite->layer_link);
2090 weston_surface_assign_output(seat->sprite);
2094 seat->hotspot_x = x;
2095 seat->hotspot_y = y;
2096 weston_surface_configure(seat->sprite,
2097 wl_fixed_to_int(seat->seat.pointer->x) - x,
2098 wl_fixed_to_int(seat->seat.pointer->y) - y,
2099 buffer->width, buffer->height);
2101 surface_damage(NULL, &seat->sprite->surface.resource,
2102 0, 0, buffer->width, buffer->height);
2105 static const struct wl_pointer_interface pointer_interface = {
2110 handle_drag_surface_destroy(struct wl_listener *listener, void *data)
2112 struct weston_seat *seat;
2114 seat = container_of(listener, struct weston_seat,
2115 drag_surface_destroy_listener);
2117 seat->drag_surface = NULL;
2120 static void unbind_resource(struct wl_resource *resource)
2122 wl_list_remove(&resource->link);
2127 seat_get_pointer(struct wl_client *client, struct wl_resource *resource,
2130 struct weston_seat *seat = resource->data;
2131 struct wl_resource *cr;
2133 if (!seat->seat.pointer)
2136 cr = wl_client_add_object(client, &wl_pointer_interface,
2137 &pointer_interface, id, seat);
2138 wl_list_insert(&seat->seat.pointer->resource_list, &cr->link);
2139 cr->destroy = unbind_resource;
2141 if (seat->seat.pointer->focus &&
2142 seat->seat.pointer->focus->resource.client == client) {
2143 struct weston_surface *surface;
2146 surface = (struct weston_surface *) seat->seat.pointer->focus;
2147 weston_surface_from_global_fixed(surface,
2148 seat->seat.pointer->x,
2149 seat->seat.pointer->y,
2152 wl_pointer_set_focus(seat->seat.pointer,
2153 seat->seat.pointer->focus,
2160 seat_get_keyboard(struct wl_client *client, struct wl_resource *resource,
2163 struct weston_seat *seat = resource->data;
2164 struct wl_resource *cr;
2166 if (!seat->seat.keyboard)
2169 cr = wl_client_add_object(client, &wl_keyboard_interface, NULL, id,
2171 wl_list_insert(&seat->seat.keyboard->resource_list, &cr->link);
2172 cr->destroy = unbind_resource;
2174 wl_keyboard_send_keymap(cr, WL_KEYBOARD_KEYMAP_FORMAT_XKB_V1,
2175 seat->xkb_info.keymap_fd,
2176 seat->xkb_info.keymap_size);
2178 if (seat->seat.keyboard->focus &&
2179 seat->seat.keyboard->focus->resource.client == client) {
2180 wl_keyboard_set_focus(seat->seat.keyboard,
2181 seat->seat.keyboard->focus);
2186 seat_get_touch(struct wl_client *client, struct wl_resource *resource,
2189 struct weston_seat *seat = resource->data;
2190 struct wl_resource *cr;
2192 if (!seat->seat.touch)
2195 cr = wl_client_add_object(client, &wl_touch_interface, NULL, id, seat);
2196 wl_list_insert(&seat->seat.touch->resource_list, &cr->link);
2197 cr->destroy = unbind_resource;
2200 static const struct wl_seat_interface seat_interface = {
2207 bind_seat(struct wl_client *client, void *data, uint32_t version, uint32_t id)
2209 struct wl_seat *seat = data;
2210 struct wl_resource *resource;
2211 enum wl_seat_capability caps = 0;
2213 resource = wl_client_add_object(client, &wl_seat_interface,
2214 &seat_interface, id, data);
2215 wl_list_insert(&seat->base_resource_list, &resource->link);
2216 resource->destroy = unbind_resource;
2219 caps |= WL_SEAT_CAPABILITY_POINTER;
2221 caps |= WL_SEAT_CAPABILITY_KEYBOARD;
2223 caps |= WL_SEAT_CAPABILITY_TOUCH;
2225 wl_seat_send_capabilities(resource, caps);
2229 device_handle_new_drag_icon(struct wl_listener *listener, void *data)
2231 struct weston_seat *seat;
2233 seat = container_of(listener, struct weston_seat,
2234 new_drag_icon_listener);
2236 weston_seat_update_drag_surface(&seat->seat, 0, 0);
2239 static void weston_compositor_xkb_init(struct weston_compositor *ec,
2240 struct xkb_rule_names *names)
2242 if (ec->xkb_context == NULL) {
2243 ec->xkb_context = xkb_context_new(0);
2244 if (ec->xkb_context == NULL) {
2245 fprintf(stderr, "failed to create XKB context\n");
2251 ec->xkb_names = *names;
2252 if (!ec->xkb_names.rules)
2253 ec->xkb_names.rules = strdup("evdev");
2254 if (!ec->xkb_names.model)
2255 ec->xkb_names.model = strdup("pc105");
2256 if (!ec->xkb_names.layout)
2257 ec->xkb_names.layout = strdup("us");
2260 static void xkb_info_destroy(struct weston_xkb_info *xkb_info)
2262 if (xkb_info->keymap)
2263 xkb_map_unref(xkb_info->keymap);
2265 if (xkb_info->keymap_area)
2266 munmap(xkb_info->keymap_area, xkb_info->keymap_size);
2267 if (xkb_info->keymap_fd >= 0)
2268 close(xkb_info->keymap_fd);
2271 static void weston_compositor_xkb_destroy(struct weston_compositor *ec)
2273 free((char *) ec->xkb_names.rules);
2274 free((char *) ec->xkb_names.model);
2275 free((char *) ec->xkb_names.layout);
2276 free((char *) ec->xkb_names.variant);
2277 free((char *) ec->xkb_names.options);
2279 xkb_info_destroy(&ec->xkb_info);
2280 xkb_context_unref(ec->xkb_context);
2284 weston_xkb_info_new_keymap(struct weston_xkb_info *xkb_info)
2288 xkb_info->ctrl_mod = xkb_map_mod_get_index(xkb_info->keymap,
2290 xkb_info->alt_mod = xkb_map_mod_get_index(xkb_info->keymap,
2292 xkb_info->super_mod = xkb_map_mod_get_index(xkb_info->keymap,
2295 xkb_info->num_led = xkb_map_led_get_index(xkb_info->keymap,
2297 xkb_info->caps_led = xkb_map_led_get_index(xkb_info->keymap,
2299 xkb_info->scroll_led = xkb_map_led_get_index(xkb_info->keymap,
2300 XKB_LED_NAME_SCROLL);
2302 keymap_str = xkb_map_get_as_string(xkb_info->keymap);
2303 if (keymap_str == NULL) {
2304 fprintf(stderr, "failed to get string version of keymap\n");
2307 xkb_info->keymap_size = strlen(keymap_str) + 1;
2309 xkb_info->keymap_fd = os_create_anonymous_file(xkb_info->keymap_size);
2310 if (xkb_info->keymap_fd < 0) {
2312 "creating a keymap file for %lu bytes failed: %m\n",
2313 (unsigned long) xkb_info->keymap_size);
2314 goto err_keymap_str;
2317 xkb_info->keymap_area = mmap(NULL, xkb_info->keymap_size,
2318 PROT_READ | PROT_WRITE,
2319 MAP_SHARED, xkb_info->keymap_fd, 0);
2320 if (xkb_info->keymap_area == MAP_FAILED) {
2321 fprintf(stderr, "failed to mmap() %lu bytes\n",
2322 (unsigned long) xkb_info->keymap_size);
2325 strcpy(xkb_info->keymap_area, keymap_str);
2331 close(xkb_info->keymap_fd);
2332 xkb_info->keymap_fd = -1;
2339 weston_compositor_build_global_keymap(struct weston_compositor *ec)
2341 if (ec->xkb_info.keymap != NULL)
2344 ec->xkb_info.keymap = xkb_map_new_from_names(ec->xkb_context,
2347 if (ec->xkb_info.keymap == NULL) {
2348 fprintf(stderr, "failed to compile global XKB keymap\n");
2350 " tried rules %s, model %s, layout %s, variant %s, "
2352 ec->xkb_names.rules, ec->xkb_names.model,
2353 ec->xkb_names.layout, ec->xkb_names.variant,
2354 ec->xkb_names.options);
2358 weston_xkb_info_new_keymap(&ec->xkb_info);
2362 weston_seat_init_keyboard(struct weston_seat *seat, struct xkb_keymap *keymap)
2364 if (seat->has_keyboard)
2367 if (keymap != NULL) {
2368 seat->xkb_info.keymap = xkb_map_ref(keymap);
2369 weston_xkb_info_new_keymap(&seat->xkb_info);
2372 weston_compositor_build_global_keymap(seat->compositor);
2373 seat->xkb_info = seat->compositor->xkb_info;
2374 seat->xkb_info.keymap = xkb_map_ref(seat->xkb_info.keymap);
2377 seat->xkb_state.state = xkb_state_new(seat->xkb_info.keymap);
2378 if (seat->xkb_state.state == NULL) {
2379 fprintf(stderr, "failed to initialise XKB state\n");
2383 seat->xkb_state.mods_depressed = 0;
2384 seat->xkb_state.mods_latched = 0;
2385 seat->xkb_state.mods_locked = 0;
2386 seat->xkb_state.group = 0;
2388 wl_keyboard_init(&seat->keyboard);
2389 wl_seat_set_keyboard(&seat->seat, &seat->keyboard);
2391 seat->has_keyboard = 1;
2395 weston_seat_init_pointer(struct weston_seat *seat)
2397 if (seat->has_pointer)
2400 wl_pointer_init(&seat->pointer);
2401 wl_seat_set_pointer(&seat->seat, &seat->pointer);
2403 seat->has_pointer = 1;
2407 weston_seat_init_touch(struct weston_seat *seat)
2409 if (seat->has_touch)
2412 wl_touch_init(&seat->touch);
2413 wl_seat_set_touch(&seat->seat, &seat->touch);
2415 seat->has_touch = 1;
2419 weston_seat_init(struct weston_seat *seat, struct weston_compositor *ec)
2421 wl_seat_init(&seat->seat);
2422 seat->has_pointer = 0;
2423 seat->has_keyboard = 0;
2424 seat->has_touch = 0;
2426 wl_display_add_global(ec->wl_display, &wl_seat_interface, seat,
2429 seat->sprite = weston_surface_create(ec);
2430 seat->sprite->surface.resource.data = seat->sprite;
2432 seat->compositor = ec;
2433 seat->hotspot_x = 16;
2434 seat->hotspot_y = 16;
2435 seat->modifier_state = 0;
2438 seat->drag_surface_destroy_listener.notify =
2439 handle_drag_surface_destroy;
2441 wl_list_insert(ec->seat_list.prev, &seat->link);
2443 seat->new_drag_icon_listener.notify = device_handle_new_drag_icon;
2444 wl_signal_add(&seat->seat.drag_icon_signal,
2445 &seat->new_drag_icon_listener);
2447 clipboard_create(seat);
2451 weston_seat_release(struct weston_seat *seat)
2453 wl_list_remove(&seat->link);
2454 /* The global object is destroyed at wl_display_destroy() time. */
2457 destroy_surface(&seat->sprite->surface.resource);
2459 if (seat->xkb_state.state != NULL)
2460 xkb_state_unref(seat->xkb_state.state);
2461 xkb_info_destroy(&seat->xkb_info);
2463 wl_seat_release(&seat->seat);
2467 drag_surface_configure(struct weston_surface *es, int32_t sx, int32_t sy)
2469 weston_surface_configure(es,
2470 es->geometry.x + sx, es->geometry.y + sy,
2471 es->buffer->width, es->buffer->height);
2475 device_setup_new_drag_surface(struct weston_seat *ws,
2476 struct weston_surface *surface)
2478 struct wl_seat *seat = &ws->seat;
2480 if (surface->configure) {
2481 wl_resource_post_error(&surface->surface.resource,
2482 WL_DISPLAY_ERROR_INVALID_OBJECT,
2483 "surface->configure already set");
2487 ws->drag_surface = surface;
2489 weston_surface_set_position(ws->drag_surface,
2490 wl_fixed_to_double(seat->pointer->x),
2491 wl_fixed_to_double(seat->pointer->y));
2493 surface->configure = drag_surface_configure;
2495 wl_signal_add(&surface->surface.resource.destroy_signal,
2496 &ws->drag_surface_destroy_listener);
2502 device_release_drag_surface(struct weston_seat *seat)
2504 seat->drag_surface->configure = NULL;
2505 undef_region(&seat->drag_surface->input);
2506 wl_list_remove(&seat->drag_surface_destroy_listener.link);
2507 seat->drag_surface = NULL;
2511 device_map_drag_surface(struct weston_seat *seat)
2513 if (weston_surface_is_mapped(seat->drag_surface) ||
2514 !seat->drag_surface->buffer)
2517 wl_list_insert(&seat->sprite->layer_link,
2518 &seat->drag_surface->layer_link);
2519 weston_surface_assign_output(seat->drag_surface);
2520 empty_region(&seat->drag_surface->input);
2524 weston_seat_update_drag_surface(struct wl_seat *seat,
2527 int surface_changed = 0;
2528 struct weston_seat *ws = (struct weston_seat *) seat;
2530 if (!ws->drag_surface && !seat->drag_surface)
2533 if (ws->drag_surface && seat->drag_surface &&
2534 (&ws->drag_surface->surface.resource !=
2535 &seat->drag_surface->resource))
2536 /* between calls to this funcion we got a new drag_surface */
2537 surface_changed = 1;
2539 if (!seat->drag_surface || surface_changed) {
2540 device_release_drag_surface(ws);
2541 if (!surface_changed)
2545 if (!ws->drag_surface || surface_changed) {
2546 struct weston_surface *surface = (struct weston_surface *)
2548 if (!device_setup_new_drag_surface(ws, surface))
2552 /* the client may not have attached a buffer to the drag surface
2553 * when we setup it up, so check if map is needed on every update */
2554 device_map_drag_surface(ws);
2556 /* the client may have attached a buffer with a different size to
2557 * the drag surface, causing the input region to be reset */
2558 if (region_is_undefined(&ws->drag_surface->input))
2559 empty_region(&ws->drag_surface->input);
2564 weston_surface_set_position(ws->drag_surface,
2565 ws->drag_surface->geometry.x + wl_fixed_to_double(dx),
2566 ws->drag_surface->geometry.y + wl_fixed_to_double(dy));
2570 weston_compositor_update_drag_surfaces(struct weston_compositor *compositor)
2572 struct weston_seat *seat;
2574 wl_list_for_each(seat, &compositor->seat_list, link)
2575 weston_seat_update_drag_surface(&seat->seat, 0, 0);
2579 bind_output(struct wl_client *client,
2580 void *data, uint32_t version, uint32_t id)
2582 struct weston_output *output = data;
2583 struct weston_mode *mode;
2584 struct wl_resource *resource;
2586 resource = wl_client_add_object(client,
2587 &wl_output_interface, NULL, id, data);
2589 wl_list_insert(&output->resource_list, &resource->link);
2590 resource->destroy = unbind_resource;
2592 wl_output_send_geometry(resource,
2598 output->make, output->model);
2600 wl_list_for_each (mode, &output->mode_list, link) {
2601 wl_output_send_mode(resource,
2609 static const char vertex_shader[] =
2610 "uniform mat4 proj;\n"
2611 "attribute vec2 position;\n"
2612 "attribute vec2 texcoord;\n"
2613 "varying vec2 v_texcoord;\n"
2616 " gl_Position = proj * vec4(position, 0.0, 1.0);\n"
2617 " v_texcoord = texcoord;\n"
2620 static const char texture_fragment_shader[] =
2621 "precision mediump float;\n"
2622 "varying vec2 v_texcoord;\n"
2623 "uniform sampler2D tex;\n"
2624 "uniform float alpha;\n"
2625 "uniform float texwidth;\n"
2626 "uniform vec4 opaque;\n"
2629 " if (v_texcoord.x < 0.0 || v_texcoord.x > texwidth ||\n"
2630 " v_texcoord.y < 0.0 || v_texcoord.y > 1.0)\n"
2632 " gl_FragColor = texture2D(tex, v_texcoord)\n;"
2633 " if (opaque.x <= v_texcoord.x && v_texcoord.x < opaque.y &&\n"
2634 " opaque.z <= v_texcoord.y && v_texcoord.y < opaque.w)\n"
2635 " gl_FragColor.a = 1.0;\n"
2636 " gl_FragColor = alpha * gl_FragColor;\n"
2639 static const char solid_fragment_shader[] =
2640 "precision mediump float;\n"
2641 "uniform vec4 color;\n"
2642 "uniform float alpha;\n"
2645 " gl_FragColor = alpha * color\n;"
2649 compile_shader(GLenum type, const char *source)
2655 s = glCreateShader(type);
2656 glShaderSource(s, 1, &source, NULL);
2658 glGetShaderiv(s, GL_COMPILE_STATUS, &status);
2660 glGetShaderInfoLog(s, sizeof msg, NULL, msg);
2661 fprintf(stderr, "shader info: %s\n", msg);
2669 weston_shader_init(struct weston_shader *shader,
2670 const char *vertex_source, const char *fragment_source)
2675 shader->vertex_shader =
2676 compile_shader(GL_VERTEX_SHADER, vertex_source);
2677 shader->fragment_shader =
2678 compile_shader(GL_FRAGMENT_SHADER, fragment_source);
2680 shader->program = glCreateProgram();
2681 glAttachShader(shader->program, shader->vertex_shader);
2682 glAttachShader(shader->program, shader->fragment_shader);
2683 glBindAttribLocation(shader->program, 0, "position");
2684 glBindAttribLocation(shader->program, 1, "texcoord");
2686 glLinkProgram(shader->program);
2687 glGetProgramiv(shader->program, GL_LINK_STATUS, &status);
2689 glGetProgramInfoLog(shader->program, sizeof msg, NULL, msg);
2690 fprintf(stderr, "link info: %s\n", msg);
2694 shader->proj_uniform = glGetUniformLocation(shader->program, "proj");
2695 shader->tex_uniform = glGetUniformLocation(shader->program, "tex");
2696 shader->alpha_uniform = glGetUniformLocation(shader->program, "alpha");
2697 shader->color_uniform = glGetUniformLocation(shader->program, "color");
2698 shader->texwidth_uniform = glGetUniformLocation(shader->program, "texwidth");
2699 shader->opaque_uniform = glGetUniformLocation(shader->program, "opaque");
2705 weston_output_destroy(struct weston_output *output)
2707 struct weston_compositor *c = output->compositor;
2709 pixman_region32_fini(&output->region);
2710 pixman_region32_fini(&output->previous_damage);
2711 output->compositor->output_id_pool &= ~(1 << output->id);
2713 wl_display_remove_global(c->wl_display, output->global);
2717 weston_text_cursor_position_notify(struct weston_surface *surface,
2718 wl_fixed_t cur_pos_x,
2719 wl_fixed_t cur_pos_y)
2721 struct weston_output *output;
2722 wl_fixed_t global_x, global_y;
2724 weston_surface_to_global_fixed(surface, cur_pos_x, cur_pos_y,
2725 &global_x, &global_y);
2727 wl_list_for_each(output, &surface->compositor->output_list, link)
2728 if (output->zoom.active &&
2729 pixman_region32_contains_point(&output->region,
2730 wl_fixed_to_int(global_x),
2731 wl_fixed_to_int(global_y),
2733 weston_output_update_zoom(output, global_x, global_y,
2738 weston_output_update_zoom(struct weston_output *output,
2743 float global_x, global_y;
2744 float trans_min, trans_max;
2746 if (output->zoom.level >= 1.0)
2749 global_x = wl_fixed_to_double(x);
2750 global_y = wl_fixed_to_double(y);
2752 output->zoom.trans_x =
2753 (((global_x - output->x) / output->current->width) *
2754 (output->zoom.level * 2)) - output->zoom.level;
2755 output->zoom.trans_y =
2756 (((global_y - output->y) / output->current->height) *
2757 (output->zoom.level * 2)) - output->zoom.level;
2759 if (type == ZOOM_TEXT_CURSOR) {
2760 output->zoom.trans_x *= 1 / output->zoom.level;
2761 output->zoom.trans_y *= 1 / output->zoom.level;
2763 trans_max = output->zoom.level * 2 - output->zoom.level;
2764 trans_min = -trans_max;
2766 if (output->zoom.trans_x > trans_max)
2767 output->zoom.trans_x = trans_max;
2768 else if (output->zoom.trans_x < trans_min)
2769 output->zoom.trans_x = trans_min;
2770 if (output->zoom.trans_y > trans_max)
2771 output->zoom.trans_y = trans_max;
2772 else if (output->zoom.trans_y < trans_min)
2773 output->zoom.trans_y = trans_min;
2777 weston_output_damage(output);
2781 weston_output_update_matrix(struct weston_output *output)
2784 float magnification;
2785 struct weston_matrix camera;
2786 struct weston_matrix modelview;
2788 weston_matrix_init(&output->matrix);
2789 weston_matrix_translate(&output->matrix,
2790 -(output->x + (output->border.right + output->current->width - output->border.left) / 2.0),
2791 -(output->y + (output->border.bottom + output->current->height - output->border.top) / 2.0), 0);
2793 flip = (output->flags & WL_OUTPUT_FLIPPED) ? -1 : 1;
2794 weston_matrix_scale(&output->matrix,
2795 2.0 / (output->current->width + output->border.left + output->border.right),
2796 flip * 2.0 / (output->current->height + output->border.top + output->border.bottom), 1);
2798 if (output->zoom.active) {
2799 magnification = 1 / (1 - output->zoom.level);
2800 weston_matrix_init(&camera);
2801 weston_matrix_init(&modelview);
2802 weston_matrix_translate(&camera, output->zoom.trans_x, flip * output->zoom.trans_y, 0);
2803 weston_matrix_invert(&modelview, &camera);
2804 weston_matrix_scale(&modelview, magnification, magnification, 1.0);
2805 weston_matrix_multiply(&output->matrix, &modelview);
2812 weston_output_move(struct weston_output *output, int x, int y)
2817 pixman_region32_init(&output->previous_damage);
2818 pixman_region32_init_rect(&output->region, x, y,
2819 output->current->width,
2820 output->current->height);
2824 weston_output_init(struct weston_output *output, struct weston_compositor *c,
2825 int x, int y, int width, int height, uint32_t flags)
2827 output->compositor = c;
2830 output->border.top = 0;
2831 output->border.bottom = 0;
2832 output->border.left = 0;
2833 output->border.right = 0;
2834 output->mm_width = width;
2835 output->mm_height = height;
2837 wl_list_init(&output->read_pixels_list);
2839 output->zoom.active = 0;
2840 output->zoom.increment = 0.05;
2841 output->zoom.level = 0.0;
2842 output->zoom.trans_x = 0.0;
2843 output->zoom.trans_y = 0.0;
2845 output->flags = flags;
2846 weston_output_move(output, x, y);
2847 weston_output_damage(output);
2849 wl_signal_init(&output->frame_signal);
2850 wl_list_init(&output->frame_callback_list);
2851 wl_list_init(&output->resource_list);
2853 output->id = ffs(~output->compositor->output_id_pool) - 1;
2854 output->compositor->output_id_pool |= 1 << output->id;
2857 wl_display_add_global(c->wl_display, &wl_output_interface,
2858 output, bind_output);
2862 weston_output_do_read_pixels(struct weston_output *output)
2864 struct weston_read_pixels *r, *next;
2866 glPixelStorei(GL_PACK_ALIGNMENT, 1);
2867 wl_list_for_each_safe(r, next, &output->read_pixels_list, link) {
2868 glReadPixels(r->x, r->y, r->width, r->height,
2869 output->compositor->read_format,
2870 GL_UNSIGNED_BYTE, r->data);
2876 compositor_bind(struct wl_client *client,
2877 void *data, uint32_t version, uint32_t id)
2879 struct weston_compositor *compositor = data;
2881 wl_client_add_object(client, &wl_compositor_interface,
2882 &compositor_interface, id, compositor);
2886 weston_compositor_init(struct weston_compositor *ec,
2887 struct wl_display *display,
2890 const char *config_file)
2892 struct wl_event_loop *loop;
2893 const char *extensions;
2894 struct xkb_rule_names xkb_names;
2895 const struct config_key keyboard_config_keys[] = {
2896 { "keymap_rules", CONFIG_KEY_STRING, &xkb_names.rules },
2897 { "keymap_model", CONFIG_KEY_STRING, &xkb_names.model },
2898 { "keymap_layout", CONFIG_KEY_STRING, &xkb_names.layout },
2899 { "keymap_variant", CONFIG_KEY_STRING, &xkb_names.variant },
2900 { "keymap_options", CONFIG_KEY_STRING, &xkb_names.options },
2902 const struct config_section cs[] = {
2904 keyboard_config_keys, ARRAY_LENGTH(keyboard_config_keys) },
2907 memset(&xkb_names, 0, sizeof(xkb_names));
2908 parse_config_file(config_file, cs, ARRAY_LENGTH(cs), ec);
2910 ec->wl_display = display;
2911 wl_signal_init(&ec->destroy_signal);
2912 wl_signal_init(&ec->activate_signal);
2913 wl_signal_init(&ec->lock_signal);
2914 wl_signal_init(&ec->unlock_signal);
2915 ec->launcher_sock = weston_environment_get_fd("WESTON_LAUNCHER_SOCK");
2917 ec->output_id_pool = 0;
2919 if (!wl_display_add_global(display, &wl_compositor_interface,
2920 ec, compositor_bind))
2923 wl_display_init_shm(display);
2925 ec->image_target_texture_2d =
2926 (void *) eglGetProcAddress("glEGLImageTargetTexture2DOES");
2927 ec->image_target_renderbuffer_storage = (void *)
2928 eglGetProcAddress("glEGLImageTargetRenderbufferStorageOES");
2929 ec->create_image = (void *) eglGetProcAddress("eglCreateImageKHR");
2930 ec->destroy_image = (void *) eglGetProcAddress("eglDestroyImageKHR");
2932 (void *) eglGetProcAddress("eglBindWaylandDisplayWL");
2933 ec->unbind_display =
2934 (void *) eglGetProcAddress("eglUnbindWaylandDisplayWL");
2936 extensions = (const char *) glGetString(GL_EXTENSIONS);
2938 fprintf(stderr, "Retrieving GL extension string failed.\n");
2942 if (!strstr(extensions, "GL_EXT_texture_format_BGRA8888")) {
2944 "GL_EXT_texture_format_BGRA8888 not available\n");
2948 if (strstr(extensions, "GL_EXT_read_format_bgra"))
2949 ec->read_format = GL_BGRA_EXT;
2951 ec->read_format = GL_RGBA;
2953 if (strstr(extensions, "GL_EXT_unpack_subimage"))
2954 ec->has_unpack_subimage = 1;
2957 (const char *) eglQueryString(ec->display, EGL_EXTENSIONS);
2959 fprintf(stderr, "Retrieving EGL extension string failed.\n");
2963 if (strstr(extensions, "EGL_WL_bind_wayland_display"))
2964 ec->has_bind_display = 1;
2965 if (ec->has_bind_display)
2966 ec->bind_display(ec->display, ec->wl_display);
2968 wl_list_init(&ec->surface_list);
2969 wl_list_init(&ec->layer_list);
2970 wl_list_init(&ec->seat_list);
2971 wl_list_init(&ec->output_list);
2972 wl_list_init(&ec->key_binding_list);
2973 wl_list_init(&ec->button_binding_list);
2974 wl_list_init(&ec->axis_binding_list);
2975 wl_list_init(&ec->animation_list);
2976 weston_spring_init(&ec->fade.spring, 30.0, 1.0, 1.0);
2977 ec->fade.animation.frame = fade_frame;
2978 wl_list_init(&ec->fade.animation.link);
2980 weston_layer_init(&ec->fade_layer, &ec->layer_list);
2981 weston_layer_init(&ec->cursor_layer, &ec->fade_layer.link);
2983 screenshooter_create(ec);
2984 text_cursor_position_notifier_create(ec);
2986 ec->ping_handler = NULL;
2988 wl_data_device_manager_init(ec->wl_display);
2990 glActiveTexture(GL_TEXTURE0);
2992 if (weston_shader_init(&ec->texture_shader,
2993 vertex_shader, texture_fragment_shader) < 0)
2995 if (weston_shader_init(&ec->solid_shader,
2996 vertex_shader, solid_fragment_shader) < 0)
2999 weston_compositor_xkb_init(ec, &xkb_names);
3001 loop = wl_display_get_event_loop(ec->wl_display);
3002 ec->idle_source = wl_event_loop_add_timer(loop, idle_handler, ec);
3003 wl_event_source_timer_update(ec->idle_source, ec->idle_time * 1000);
3005 ec->input_loop = wl_event_loop_create();
3007 weston_compositor_schedule_repaint(ec);
3013 weston_compositor_shutdown(struct weston_compositor *ec)
3015 struct weston_output *output, *next;
3017 wl_event_source_remove(ec->idle_source);
3018 if (ec->input_loop_source)
3019 wl_event_source_remove(ec->input_loop_source);
3021 /* Destroy all outputs associated with this compositor */
3022 wl_list_for_each_safe(output, next, &ec->output_list, link)
3023 output->destroy(output);
3025 weston_binding_list_destroy_all(&ec->key_binding_list);
3026 weston_binding_list_destroy_all(&ec->button_binding_list);
3027 weston_binding_list_destroy_all(&ec->axis_binding_list);
3029 wl_array_release(&ec->vertices);
3030 wl_array_release(&ec->indices);
3032 wl_event_loop_destroy(ec->input_loop);
3035 static int on_term_signal(int signal_number, void *data)
3037 struct wl_display *display = data;
3039 fprintf(stderr, "caught signal %d\n", signal_number);
3040 wl_display_terminate(display);
3046 on_segv_signal(int s, siginfo_t *siginfo, void *context)
3052 fprintf(stderr, "caught segv\n");
3054 count = backtrace(buffer, ARRAY_LENGTH(buffer));
3055 for (i = 0; i < count; i++) {
3056 dladdr(buffer[i], &info);
3057 fprintf(stderr, " [%016lx] %s (%s)\n",
3059 info.dli_sname ? info.dli_sname : "--",
3063 longjmp(segv_jmp_buf, 1);
3068 load_module(const char *name, const char *entrypoint, void **handle)
3070 char path[PATH_MAX];
3071 void *module, *init;
3074 snprintf(path, sizeof path, "%s/%s", MODULEDIR, name);
3076 snprintf(path, sizeof path, "%s", name);
3078 module = dlopen(path, RTLD_LAZY);
3081 "failed to load module '%s': %s\n", path, dlerror());
3085 init = dlsym(module, entrypoint);
3088 "failed to lookup init function in '%s': %s\n",
3096 static const char xdg_error_message[] =
3097 "fatal: environment variable XDG_RUNTIME_DIR is not set.\n"
3098 "Refer to your distribution on how to get it, or\n"
3099 "http://www.freedesktop.org/wiki/Specifications/basedir-spec\n"
3100 "on how to implement it.\n";
3102 int main(int argc, char *argv[])
3104 struct wl_display *display;
3105 struct weston_compositor *ec;
3106 struct wl_event_source *signals[4];
3107 struct wl_event_loop *loop;
3108 struct sigaction segv_action;
3109 void *shell_module, *backend_module, *xserver_module;
3110 int (*module_init)(struct weston_compositor *ec);
3111 struct weston_compositor
3112 *(*backend_init)(struct wl_display *display,
3113 int argc, char *argv[], const char *config_file);
3115 char *backend = NULL;
3117 char *module = NULL;
3118 int32_t idle_time = 300;
3119 int32_t xserver = 0;
3120 char *socket_name = NULL;
3123 const struct config_key shell_config_keys[] = {
3124 { "type", CONFIG_KEY_STRING, &shell },
3127 const struct config_section cs[] = {
3129 shell_config_keys, ARRAY_LENGTH(shell_config_keys) },
3132 const struct weston_option core_options[] = {
3133 { WESTON_OPTION_STRING, "backend", 'B', &backend },
3134 { WESTON_OPTION_STRING, "socket", 'S', &socket_name },
3135 { WESTON_OPTION_INTEGER, "idle-time", 'i', &idle_time },
3136 { WESTON_OPTION_BOOLEAN, "xserver", 0, &xserver },
3137 { WESTON_OPTION_STRING, "module", 0, &module },
3140 argc = parse_options(core_options,
3141 ARRAY_LENGTH(core_options), argc, argv);
3143 if (!getenv("XDG_RUNTIME_DIR")) {
3144 fprintf(stderr, xdg_error_message);
3148 display = wl_display_create();
3150 loop = wl_display_get_event_loop(display);
3151 signals[0] = wl_event_loop_add_signal(loop, SIGTERM, on_term_signal,
3153 signals[1] = wl_event_loop_add_signal(loop, SIGINT, on_term_signal,
3155 signals[2] = wl_event_loop_add_signal(loop, SIGQUIT, on_term_signal,
3158 wl_list_init(&child_process_list);
3159 signals[3] = wl_event_loop_add_signal(loop, SIGCHLD, sigchld_handler,
3162 segv_action.sa_flags = SA_SIGINFO | SA_RESETHAND;
3163 segv_action.sa_sigaction = on_segv_signal;
3164 sigemptyset(&segv_action.sa_mask);
3165 sigaction(SIGSEGV, &segv_action, NULL);
3168 if (getenv("WAYLAND_DISPLAY"))
3169 backend = "wayland-backend.so";
3170 else if (getenv("DISPLAY"))
3171 backend = "x11-backend.so";
3172 else if (getenv("OPENWFD"))
3173 backend = "openwfd-backend.so";
3175 backend = "drm-backend.so";
3178 config_file = config_file_path("weston.ini");
3179 parse_config_file(config_file, cs, ARRAY_LENGTH(cs), shell);
3181 backend_init = load_module(backend, "backend_init", &backend_module);
3185 ec = backend_init(display, argc, argv, config_file);
3187 fprintf(stderr, "failed to create compositor\n");
3191 for (i = 1; argv[i]; i++)
3192 fprintf(stderr, "unhandled option: %s\n", argv[i]);
3198 ec->option_idle_time = idle_time;
3199 ec->idle_time = idle_time;
3203 module_init = load_module("xwayland.so",
3204 "weston_xserver_init",
3206 if (module_init && module_init(ec) < 0)
3210 shell = "desktop-shell.so";
3211 module_init = load_module(shell, "shell_init", &shell_module);
3212 if (!module_init || module_init(ec) < 0)
3218 module_init = load_module(module, "module_init", NULL);
3219 if (module_init && module_init(ec) < 0)
3222 if (wl_display_add_socket(display, socket_name)) {
3223 fprintf(stderr, "failed to add socket: %m\n");
3227 weston_compositor_dpms_on(ec);
3228 weston_compositor_wake(ec);
3229 if (setjmp(segv_jmp_buf) == 0)
3230 wl_display_run(display);
3232 /* prevent further rendering while shutting down */
3233 ec->state = WESTON_COMPOSITOR_SLEEPING;
3235 wl_signal_emit(&ec->destroy_signal, ec);
3237 if (ec->has_bind_display)
3238 ec->unbind_display(ec->display, display);
3240 for (i = ARRAY_LENGTH(signals); i;)
3241 wl_event_source_remove(signals[--i]);
3243 weston_compositor_xkb_destroy(ec);
3246 wl_display_destroy(display);