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_watch_process(struct weston_process *process)
85 wl_list_insert(&child_process_list, &process->link);
89 child_client_exec(int sockfd, const char *path)
95 /* do not give our signal mask to the new process */
97 sigprocmask(SIG_UNBLOCK, &allsigs, NULL);
99 /* Launch clients as the user. */
102 /* SOCK_CLOEXEC closes both ends, so we dup the fd to get a
103 * non-CLOEXEC fd to pass through exec. */
104 clientfd = dup(sockfd);
105 if (clientfd == -1) {
106 fprintf(stderr, "compositor: dup failed: %m\n");
110 snprintf(s, sizeof s, "%d", clientfd);
111 setenv("WAYLAND_SOCKET", s, 1);
113 if (execl(path, path, NULL) < 0)
114 fprintf(stderr, "compositor: executing '%s' failed: %m\n",
118 WL_EXPORT struct wl_client *
119 weston_client_launch(struct weston_compositor *compositor,
120 struct weston_process *proc,
122 weston_process_cleanup_func_t cleanup)
126 struct wl_client *client;
128 if (socketpair(AF_UNIX, SOCK_STREAM | SOCK_CLOEXEC, 0, sv) < 0) {
129 fprintf(stderr, "weston_client_launch: "
130 "socketpair failed while launching '%s': %m\n",
139 fprintf(stderr, "weston_client_launch: "
140 "fork failed while launching '%s': %m\n", path);
145 child_client_exec(sv[1], path);
151 client = wl_client_create(compositor->wl_display, sv[0]);
154 fprintf(stderr, "weston_client_launch: "
155 "wl_client_create failed while launching '%s'.\n",
161 proc->cleanup = cleanup;
162 weston_watch_process(proc);
168 surface_handle_buffer_destroy(struct wl_listener *listener,
169 struct wl_resource *resource, uint32_t time)
171 struct weston_surface *es =
172 container_of(listener, struct weston_surface,
173 buffer_destroy_listener);
178 static const pixman_region32_data_t undef_region_data;
181 undef_region(pixman_region32_t *region)
183 pixman_region32_fini(region);
184 region->data = (pixman_region32_data_t *) &undef_region_data;
188 region_is_undefined(pixman_region32_t *region)
190 return region->data == &undef_region_data;
194 empty_region(pixman_region32_t *region)
196 if (!region_is_undefined(region))
197 pixman_region32_fini(region);
199 pixman_region32_init(region);
202 WL_EXPORT struct weston_surface *
203 weston_surface_create(struct weston_compositor *compositor)
205 struct weston_surface *surface;
207 surface = calloc(1, sizeof *surface);
211 wl_list_init(&surface->surface.resource.destroy_listener_list);
213 wl_list_init(&surface->link);
214 wl_list_init(&surface->layer_link);
215 wl_list_init(&surface->buffer_link);
217 surface->surface.resource.client = NULL;
219 surface->compositor = compositor;
220 surface->image = EGL_NO_IMAGE_KHR;
221 surface->alpha = 255;
224 surface->buffer = NULL;
225 surface->output = NULL;
226 surface->force_configure = 0;
228 pixman_region32_init(&surface->damage);
229 pixman_region32_init(&surface->opaque);
230 pixman_region32_init(&surface->clip);
231 undef_region(&surface->input);
232 pixman_region32_init(&surface->transform.opaque);
233 wl_list_init(&surface->frame_callback_list);
235 surface->buffer_destroy_listener.func = surface_handle_buffer_destroy;
237 wl_list_init(&surface->geometry.transformation_list);
238 wl_list_insert(&surface->geometry.transformation_list,
239 &surface->transform.position.link);
240 weston_matrix_init(&surface->transform.position.matrix);
241 pixman_region32_init(&surface->transform.boundingbox);
242 surface->geometry.dirty = 1;
248 weston_surface_set_color(struct weston_surface *surface,
249 GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha)
251 surface->color[0] = red;
252 surface->color[1] = green;
253 surface->color[2] = blue;
254 surface->color[3] = alpha;
255 surface->shader = &surface->compositor->solid_shader;
259 surface_to_global_float(struct weston_surface *surface,
260 int32_t sx, int32_t sy, GLfloat *x, GLfloat *y)
262 if (surface->transform.enabled) {
263 struct weston_vector v = { { sx, sy, 0.0f, 1.0f } };
265 weston_matrix_transform(&surface->transform.matrix, &v);
267 if (fabsf(v.f[3]) < 1e-6) {
268 fprintf(stderr, "warning: numerical instability in "
269 "weston_surface_to_global(), divisor = %g\n",
276 *x = v.f[0] / v.f[3];
277 *y = v.f[1] / v.f[3];
279 *x = sx + surface->geometry.x;
280 *y = sy + surface->geometry.y;
285 weston_surface_damage_below(struct weston_surface *surface)
287 struct weston_compositor *compositor = surface->compositor;
288 pixman_region32_t damage;
290 pixman_region32_init(&damage);
291 pixman_region32_subtract(&damage, &surface->transform.boundingbox,
293 pixman_region32_union(&compositor->damage,
294 &compositor->damage, &damage);
295 pixman_region32_fini(&damage);
299 surface_compute_bbox(struct weston_surface *surface, int32_t sx, int32_t sy,
300 int32_t width, int32_t height,
301 pixman_region32_t *bbox)
303 GLfloat min_x = HUGE_VALF, min_y = HUGE_VALF;
304 GLfloat max_x = -HUGE_VALF, max_y = -HUGE_VALF;
309 { sx + width, sy + height }
311 GLfloat int_x, int_y;
314 for (i = 0; i < 4; ++i) {
316 surface_to_global_float(surface, s[i][0], s[i][1], &x, &y);
327 int_x = floorf(min_x);
328 int_y = floorf(min_y);
329 pixman_region32_init_rect(bbox, int_x, int_y,
330 ceilf(max_x) - int_x, ceilf(max_y) - int_y);
334 weston_surface_update_transform_disable(struct weston_surface *surface)
336 surface->transform.enabled = 0;
338 /* round off fractions when not transformed */
339 surface->geometry.x = roundf(surface->geometry.x);
340 surface->geometry.y = roundf(surface->geometry.y);
342 pixman_region32_init_rect(&surface->transform.boundingbox,
345 surface->geometry.width,
346 surface->geometry.height);
348 if (surface->alpha == 255) {
349 pixman_region32_copy(&surface->transform.opaque,
351 pixman_region32_translate(&surface->transform.opaque,
353 surface->geometry.y);
358 weston_surface_update_transform_enable(struct weston_surface *surface)
360 struct weston_matrix *matrix = &surface->transform.matrix;
361 struct weston_matrix *inverse = &surface->transform.inverse;
362 struct weston_transform *tform;
364 surface->transform.enabled = 1;
366 /* Otherwise identity matrix, but with x and y translation. */
367 surface->transform.position.matrix.d[12] = surface->geometry.x;
368 surface->transform.position.matrix.d[13] = surface->geometry.y;
370 weston_matrix_init(matrix);
371 wl_list_for_each(tform, &surface->geometry.transformation_list, link)
372 weston_matrix_multiply(matrix, &tform->matrix);
374 if (weston_matrix_invert(inverse, matrix) < 0) {
375 /* Oops, bad total transformation, not invertible */
376 fprintf(stderr, "error: weston_surface %p"
377 " transformation not invertible.\n", surface);
381 surface_compute_bbox(surface, 0, 0, surface->geometry.width,
382 surface->geometry.height,
383 &surface->transform.boundingbox);
389 weston_surface_update_transform(struct weston_surface *surface)
391 if (!surface->geometry.dirty)
394 surface->geometry.dirty = 0;
396 weston_surface_damage_below(surface);
398 pixman_region32_fini(&surface->transform.boundingbox);
399 pixman_region32_fini(&surface->transform.opaque);
400 pixman_region32_init(&surface->transform.opaque);
402 if (region_is_undefined(&surface->input))
403 pixman_region32_init_rect(&surface->input, 0, 0,
404 surface->geometry.width,
405 surface->geometry.height);
407 /* transform.position is always in transformation_list */
408 if (surface->geometry.transformation_list.next ==
409 &surface->transform.position.link &&
410 surface->geometry.transformation_list.prev ==
411 &surface->transform.position.link) {
412 weston_surface_update_transform_disable(surface);
414 if (weston_surface_update_transform_enable(surface) < 0)
415 weston_surface_update_transform_disable(surface);
418 /* weston_surface_damage() without update */
419 pixman_region32_union(&surface->damage, &surface->damage,
420 &surface->transform.boundingbox);
423 weston_surface_assign_output(surface);
425 weston_compositor_schedule_repaint(surface->compositor);
429 weston_surface_to_global(struct weston_surface *surface,
430 int32_t sx, int32_t sy, int32_t *x, int32_t *y)
434 weston_surface_update_transform(surface);
436 surface_to_global_float(surface, sx, sy, &xf, &yf);
442 surface_from_global_float(struct weston_surface *surface,
443 int32_t x, int32_t y, GLfloat *sx, GLfloat *sy)
445 if (surface->transform.enabled) {
446 struct weston_vector v = { { x, y, 0.0f, 1.0f } };
448 weston_matrix_transform(&surface->transform.inverse, &v);
450 if (fabsf(v.f[3]) < 1e-6) {
451 fprintf(stderr, "warning: numerical instability in "
452 "weston_surface_from_global(), divisor = %g\n",
459 *sx = v.f[0] / v.f[3];
460 *sy = v.f[1] / v.f[3];
462 *sx = x - surface->geometry.x;
463 *sy = y - surface->geometry.y;
468 weston_surface_from_global(struct weston_surface *surface,
469 int32_t x, int32_t y, int32_t *sx, int32_t *sy)
473 weston_surface_update_transform(surface);
475 surface_from_global_float(surface, x, y, &sxf, &syf);
481 weston_surface_damage_rectangle(struct weston_surface *surface,
482 int32_t sx, int32_t sy,
483 int32_t width, int32_t height)
485 weston_surface_update_transform(surface);
487 if (surface->transform.enabled) {
488 pixman_region32_t box;
489 surface_compute_bbox(surface, sx, sy, width, height, &box);
490 pixman_region32_union(&surface->damage, &surface->damage,
492 pixman_region32_fini(&box);
494 pixman_region32_union_rect(&surface->damage, &surface->damage,
495 surface->geometry.x + sx,
496 surface->geometry.y + sy,
500 weston_compositor_schedule_repaint(surface->compositor);
504 weston_surface_damage(struct weston_surface *surface)
506 weston_surface_update_transform(surface);
508 pixman_region32_union(&surface->damage, &surface->damage,
509 &surface->transform.boundingbox);
511 weston_compositor_schedule_repaint(surface->compositor);
515 weston_surface_configure(struct weston_surface *surface,
516 GLfloat x, GLfloat y, int width, int height)
518 surface->geometry.x = x;
519 surface->geometry.y = y;
520 surface->geometry.width = width;
521 surface->geometry.height = height;
522 surface->geometry.dirty = 1;
526 weston_surface_set_position(struct weston_surface *surface,
527 GLfloat x, GLfloat y)
529 surface->geometry.x = x;
530 surface->geometry.y = y;
531 surface->geometry.dirty = 1;
535 weston_compositor_get_time(void)
539 gettimeofday(&tv, NULL);
541 return tv.tv_sec * 1000 + tv.tv_usec / 1000;
544 static struct weston_surface *
545 weston_compositor_pick_surface(struct weston_compositor *compositor,
546 int32_t x, int32_t y, int32_t *sx, int32_t *sy)
548 struct weston_surface *surface;
550 wl_list_for_each(surface, &compositor->surface_list, link) {
551 weston_surface_from_global(surface, x, y, sx, sy);
552 if (pixman_region32_contains_point(&surface->input,
561 weston_device_repick(struct wl_input_device *device, uint32_t time)
563 struct weston_input_device *wd = (struct weston_input_device *) device;
564 const struct wl_pointer_grab_interface *interface;
565 struct weston_surface *surface, *focus;
567 surface = weston_compositor_pick_surface(wd->compositor,
568 device->x, device->y,
572 if (&surface->surface != device->current) {
573 interface = device->pointer_grab->interface;
574 interface->focus(device->pointer_grab, time, &surface->surface,
575 device->current_x, device->current_y);
576 device->current = &surface->surface;
579 focus = (struct weston_surface *) device->pointer_grab->focus;
581 weston_surface_from_global(focus, device->x, device->y,
582 &device->pointer_grab->x, &device->pointer_grab->y);
586 weston_compositor_repick(struct weston_compositor *compositor)
588 struct weston_input_device *device;
591 if (!compositor->focus)
594 time = weston_compositor_get_time();
595 wl_list_for_each(device, &compositor->input_device_list, link)
596 weston_device_repick(&device->input_device, time);
600 weston_surface_unmap(struct weston_surface *surface)
602 struct wl_input_device *device = surface->compositor->input_device;
604 weston_surface_damage_below(surface);
605 surface->output = NULL;
606 wl_list_remove(&surface->link);
607 wl_list_remove(&surface->layer_link);
609 if (device->keyboard_focus == &surface->surface)
610 wl_input_device_set_keyboard_focus(device, NULL,
611 weston_compositor_get_time());
612 if (device->pointer_focus == &surface->surface)
613 wl_input_device_set_pointer_focus(device, NULL, 0, 0,
614 weston_compositor_get_time());
616 weston_compositor_schedule_repaint(surface->compositor);
620 destroy_surface(struct wl_resource *resource)
622 struct weston_surface *surface =
623 container_of(resource,
624 struct weston_surface, surface.resource);
625 struct weston_compositor *compositor = surface->compositor;
628 weston_surface_unmap(surface);
630 if (surface->texture)
631 glDeleteTextures(1, &surface->texture);
634 wl_list_remove(&surface->buffer_destroy_listener.link);
636 if (surface->image != EGL_NO_IMAGE_KHR)
637 compositor->destroy_image(compositor->display,
640 wl_list_remove(&surface->buffer_link);
642 pixman_region32_fini(&surface->transform.boundingbox);
643 pixman_region32_fini(&surface->damage);
644 pixman_region32_fini(&surface->opaque);
645 pixman_region32_fini(&surface->clip);
646 if (!region_is_undefined(&surface->input))
647 pixman_region32_fini(&surface->input);
653 weston_surface_destroy(struct weston_surface *surface)
655 /* Not a valid way to destroy a client surface */
656 assert(surface->surface.resource.client == NULL);
658 destroy_surface(&surface->surface.resource);
662 weston_buffer_attach(struct wl_buffer *buffer, struct wl_surface *surface)
664 struct weston_surface *es = (struct weston_surface *) surface;
665 struct weston_compositor *ec = es->compositor;
666 struct wl_list *surfaces_attached_to;
669 glGenTextures(1, &es->texture);
670 glBindTexture(GL_TEXTURE_2D, es->texture);
671 glTexParameteri(GL_TEXTURE_2D,
672 GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
673 glTexParameteri(GL_TEXTURE_2D,
674 GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
675 es->shader = &ec->texture_shader;
677 glBindTexture(GL_TEXTURE_2D, es->texture);
680 if (wl_buffer_is_shm(buffer)) {
681 es->pitch = wl_shm_buffer_get_stride(buffer) / 4;
682 glTexImage2D(GL_TEXTURE_2D, 0, GL_BGRA_EXT,
683 es->pitch, buffer->height, 0,
684 GL_BGRA_EXT, GL_UNSIGNED_BYTE,
685 wl_shm_buffer_get_data(buffer));
687 surfaces_attached_to = buffer->user_data;
689 wl_list_remove(&es->buffer_link);
690 wl_list_insert(surfaces_attached_to, &es->buffer_link);
692 if (es->image != EGL_NO_IMAGE_KHR)
693 ec->destroy_image(ec->display, es->image);
694 es->image = ec->create_image(ec->display, NULL,
695 EGL_WAYLAND_BUFFER_WL,
698 ec->image_target_texture_2d(GL_TEXTURE_2D, es->image);
700 es->pitch = es->geometry.width;
705 texture_region(struct weston_surface *es, pixman_region32_t *region)
707 struct weston_compositor *ec = es->compositor;
708 GLfloat *v, inv_width, inv_height;
710 pixman_box32_t *rectangles;
714 rectangles = pixman_region32_rectangles(region, &n);
715 v = wl_array_add(&ec->vertices, n * 16 * sizeof *v);
716 p = wl_array_add(&ec->indices, n * 6 * sizeof *p);
717 inv_width = 1.0 / es->pitch;
718 inv_height = 1.0 / es->geometry.height;
720 for (i = 0; i < n; i++, v += 16, p += 6) {
721 surface_from_global_float(es, rectangles[i].x1,
722 rectangles[i].y1, &sx, &sy);
723 v[ 0] = rectangles[i].x1;
724 v[ 1] = rectangles[i].y1;
725 v[ 2] = sx * inv_width;
726 v[ 3] = sy * inv_height;
728 surface_from_global_float(es, rectangles[i].x1,
729 rectangles[i].y2, &sx, &sy);
730 v[ 4] = rectangles[i].x1;
731 v[ 5] = rectangles[i].y2;
732 v[ 6] = sx * inv_width;
733 v[ 7] = sy * inv_height;
735 surface_from_global_float(es, rectangles[i].x2,
736 rectangles[i].y1, &sx, &sy);
737 v[ 8] = rectangles[i].x2;
738 v[ 9] = rectangles[i].y1;
739 v[10] = sx * inv_width;
740 v[11] = sy * inv_height;
742 surface_from_global_float(es, rectangles[i].x2,
743 rectangles[i].y2, &sx, &sy);
744 v[12] = rectangles[i].x2;
745 v[13] = rectangles[i].y2;
746 v[14] = sx * inv_width;
747 v[15] = sy * inv_height;
761 weston_surface_draw(struct weston_surface *es, struct weston_output *output,
762 pixman_region32_t *damage)
764 struct weston_compositor *ec = es->compositor;
766 pixman_region32_t repaint;
770 pixman_region32_init(&repaint);
771 pixman_region32_intersect(&repaint,
772 &es->transform.boundingbox, damage);
773 pixman_region32_subtract(&repaint, &repaint, &es->clip);
775 if (!pixman_region32_not_empty(&repaint))
778 glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
781 if (ec->current_shader != es->shader) {
782 glUseProgram(es->shader->program);
783 ec->current_shader = es->shader;
786 glUniformMatrix4fv(es->shader->proj_uniform,
787 1, GL_FALSE, output->matrix.d);
788 glUniform1i(es->shader->tex_uniform, 0);
789 glUniform4fv(es->shader->color_uniform, 1, es->color);
790 glUniform1f(es->shader->alpha_uniform, es->alpha / 255.0);
791 glUniform1f(es->shader->texwidth_uniform,
792 (GLfloat)es->geometry.width / es->pitch);
794 if (es->transform.enabled || output->zoom.active)
799 n = texture_region(es, &repaint);
801 glBindTexture(GL_TEXTURE_2D, es->texture);
802 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, filter);
803 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, filter);
805 v = ec->vertices.data;
806 glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 4 * sizeof *v, &v[0]);
807 glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, 4 * sizeof *v, &v[2]);
808 glEnableVertexAttribArray(0);
809 glEnableVertexAttribArray(1);
811 glDrawElements(GL_TRIANGLES, n * 6, GL_UNSIGNED_INT, ec->indices.data);
813 glDisableVertexAttribArray(1);
814 glDisableVertexAttribArray(0);
816 ec->vertices.size = 0;
817 ec->indices.size = 0;
820 pixman_region32_fini(&repaint);
824 weston_surface_restack(struct weston_surface *surface, struct wl_list *below)
826 wl_list_remove(&surface->layer_link);
827 wl_list_insert(below, &surface->layer_link);
828 weston_surface_damage_below(surface);
829 weston_surface_damage(surface);
833 weston_compositor_damage_all(struct weston_compositor *compositor)
835 struct weston_output *output;
837 wl_list_for_each(output, &compositor->output_list, link)
838 weston_output_damage(output);
842 weston_buffer_post_release(struct wl_buffer *buffer)
844 if (--buffer->busy_count > 0)
847 assert(buffer->resource.client != NULL);
848 wl_resource_queue_event(&buffer->resource, WL_BUFFER_RELEASE);
852 weston_output_damage(struct weston_output *output)
854 struct weston_compositor *compositor = output->compositor;
856 pixman_region32_union(&compositor->damage,
857 &compositor->damage, &output->region);
858 weston_compositor_schedule_repaint(compositor);
862 fade_frame(struct weston_animation *animation,
863 struct weston_output *output, uint32_t msecs)
865 struct weston_compositor *compositor =
866 container_of(animation,
867 struct weston_compositor, fade.animation);
868 struct weston_surface *surface;
870 surface = compositor->fade.surface;
871 weston_spring_update(&compositor->fade.spring, msecs);
872 weston_surface_set_color(surface, 0.0, 0.0, 0.0,
873 compositor->fade.spring.current);
874 weston_surface_damage(surface);
876 if (weston_spring_done(&compositor->fade.spring)) {
877 compositor->fade.spring.current =
878 compositor->fade.spring.target;
879 wl_list_remove(&animation->link);
880 wl_list_init(&animation->link);
882 if (compositor->fade.spring.current < 0.001) {
883 destroy_surface(&surface->surface.resource);
884 compositor->fade.surface = NULL;
885 } else if (compositor->fade.spring.current > 0.999) {
886 compositor->state = WESTON_COMPOSITOR_SLEEPING;
887 compositor->shell->lock(compositor->shell);
892 struct weston_frame_callback {
893 struct wl_resource resource;
898 weston_output_repaint(struct weston_output *output, int msecs)
900 struct weston_compositor *ec = output->compositor;
901 struct weston_surface *es;
902 struct weston_layer *layer;
903 struct weston_animation *animation, *next;
904 struct weston_frame_callback *cb, *cnext;
905 pixman_region32_t opaque, new_damage, output_damage;
906 int32_t width, height;
908 weston_compositor_update_drag_surfaces(ec);
910 width = output->current->width +
911 output->border.left + output->border.right;
912 height = output->current->height +
913 output->border.top + output->border.bottom;
914 glViewport(0, 0, width, height);
916 /* Rebuild the surface list and update surface transforms up front. */
917 wl_list_init(&ec->surface_list);
918 wl_list_for_each(layer, &ec->layer_list, link) {
919 wl_list_for_each(es, &layer->surface_list, layer_link) {
920 weston_surface_update_transform(es);
921 wl_list_insert(ec->surface_list.prev, &es->link);
925 if (output->assign_planes)
927 * This will queue flips for the fbs and sprites where
928 * applicable and clear the damage for those surfaces.
929 * The repaint loop below will repaint everything
932 output->assign_planes(output);
934 pixman_region32_init(&new_damage);
935 pixman_region32_init(&opaque);
937 wl_list_for_each(es, &ec->surface_list, link) {
938 pixman_region32_subtract(&es->damage, &es->damage, &opaque);
939 pixman_region32_union(&new_damage, &new_damage, &es->damage);
940 empty_region(&es->damage);
941 pixman_region32_copy(&es->clip, &opaque);
942 pixman_region32_union(&opaque, &opaque, &es->transform.opaque);
945 pixman_region32_union(&ec->damage, &ec->damage, &new_damage);
947 pixman_region32_init(&output_damage);
948 pixman_region32_union(&output_damage,
949 &ec->damage, &output->previous_damage);
950 pixman_region32_copy(&output->previous_damage, &ec->damage);
951 pixman_region32_intersect(&output_damage,
952 &output_damage, &output->region);
953 pixman_region32_subtract(&ec->damage, &ec->damage, &output->region);
955 pixman_region32_fini(&opaque);
956 pixman_region32_fini(&new_damage);
959 weston_output_update_matrix(output);
961 output->repaint(output, &output_damage);
963 pixman_region32_fini(&output_damage);
965 output->repaint_needed = 0;
967 weston_compositor_repick(ec);
968 wl_event_loop_dispatch(ec->input_loop, 0);
970 wl_list_for_each_safe(cb, cnext, &output->frame_callback_list, link) {
971 wl_callback_send_done(&cb->resource, msecs);
972 wl_resource_destroy(&cb->resource, 0);
975 wl_list_for_each_safe(animation, next, &ec->animation_list, link)
976 animation->frame(animation, output, msecs);
980 weston_compositor_read_input(int fd, uint32_t mask, void *data)
982 struct weston_compositor *compositor = data;
984 wl_event_loop_dispatch(compositor->input_loop, 0);
990 weston_output_finish_frame(struct weston_output *output, int msecs)
992 struct weston_compositor *compositor = output->compositor;
993 struct wl_event_loop *loop =
994 wl_display_get_event_loop(compositor->wl_display);
997 if (output->repaint_needed) {
998 weston_output_repaint(output, msecs);
1002 output->repaint_scheduled = 0;
1003 if (compositor->input_loop_source)
1006 fd = wl_event_loop_get_fd(compositor->input_loop);
1007 compositor->input_loop_source =
1008 wl_event_loop_add_fd(loop, fd, WL_EVENT_READABLE,
1009 weston_compositor_read_input, compositor);
1013 idle_repaint(void *data)
1015 struct weston_output *output = data;
1017 weston_output_finish_frame(output, weston_compositor_get_time());
1021 weston_layer_init(struct weston_layer *layer, struct wl_list *below)
1023 wl_list_init(&layer->surface_list);
1024 wl_list_insert(below, &layer->link);
1028 weston_compositor_schedule_repaint(struct weston_compositor *compositor)
1030 struct weston_output *output;
1031 struct wl_event_loop *loop;
1033 if (compositor->state == WESTON_COMPOSITOR_SLEEPING)
1036 loop = wl_display_get_event_loop(compositor->wl_display);
1037 wl_list_for_each(output, &compositor->output_list, link) {
1038 output->repaint_needed = 1;
1039 if (output->repaint_scheduled)
1042 wl_event_loop_add_idle(loop, idle_repaint, output);
1043 output->repaint_scheduled = 1;
1046 if (compositor->input_loop_source) {
1047 wl_event_source_remove(compositor->input_loop_source);
1048 compositor->input_loop_source = NULL;
1053 weston_compositor_fade(struct weston_compositor *compositor, float tint)
1055 struct weston_surface *surface;
1058 done = weston_spring_done(&compositor->fade.spring);
1059 compositor->fade.spring.target = tint;
1060 if (weston_spring_done(&compositor->fade.spring))
1064 compositor->fade.spring.timestamp =
1065 weston_compositor_get_time();
1067 if (compositor->fade.surface == NULL) {
1068 surface = weston_surface_create(compositor);
1069 weston_surface_configure(surface, 0, 0, 8192, 8192);
1070 weston_surface_set_color(surface, 0.0, 0.0, 0.0, 0.0);
1071 wl_list_insert(&compositor->fade_layer.surface_list,
1072 &surface->layer_link);
1073 weston_surface_assign_output(surface);
1074 compositor->fade.surface = surface;
1075 pixman_region32_init(&surface->input);
1078 weston_surface_damage(compositor->fade.surface);
1079 if (wl_list_empty(&compositor->fade.animation.link))
1080 wl_list_insert(compositor->animation_list.prev,
1081 &compositor->fade.animation.link);
1085 surface_destroy(struct wl_client *client, struct wl_resource *resource)
1087 wl_resource_destroy(resource, weston_compositor_get_time());
1091 weston_surface_assign_output(struct weston_surface *es)
1093 struct weston_compositor *ec = es->compositor;
1094 struct weston_output *output, *new_output;
1095 pixman_region32_t region;
1099 weston_surface_update_transform(es);
1103 pixman_region32_init(®ion);
1104 wl_list_for_each(output, &ec->output_list, link) {
1105 pixman_region32_intersect(®ion, &es->transform.boundingbox,
1108 e = pixman_region32_extents(®ion);
1109 area = (e->x2 - e->x1) * (e->y2 - e->y1);
1112 new_output = output;
1116 pixman_region32_fini(®ion);
1118 es->output = new_output;
1119 if (!wl_list_empty(&es->frame_callback_list)) {
1120 wl_list_insert_list(new_output->frame_callback_list.prev,
1121 &es->frame_callback_list);
1122 wl_list_init(&es->frame_callback_list);
1127 surface_attach(struct wl_client *client,
1128 struct wl_resource *resource,
1129 struct wl_resource *buffer_resource, int32_t sx, int32_t sy)
1131 struct weston_surface *es = resource->data;
1132 struct weston_shell *shell = es->compositor->shell;
1133 struct wl_buffer *buffer;
1135 if (!buffer_resource && !es->output)
1139 weston_buffer_post_release(es->buffer);
1140 wl_list_remove(&es->buffer_destroy_listener.link);
1143 if (!buffer_resource && es->output) {
1144 weston_surface_unmap(es);
1149 buffer = buffer_resource->data;
1150 buffer->busy_count++;
1151 es->buffer = buffer;
1152 wl_list_insert(es->buffer->resource.destroy_listener_list.prev,
1153 &es->buffer_destroy_listener.link);
1155 if (es->geometry.width != buffer->width ||
1156 es->geometry.height != buffer->height) {
1157 undef_region(&es->input);
1158 pixman_region32_fini(&es->opaque);
1159 pixman_region32_init(&es->opaque);
1162 if (es->output == NULL) {
1163 shell->map(shell, es, buffer->width, buffer->height, sx, sy);
1164 } else if (es->force_configure || sx != 0 || sy != 0 ||
1165 es->geometry.width != buffer->width ||
1166 es->geometry.height != buffer->height) {
1167 GLfloat from_x, from_y;
1170 surface_to_global_float(es, 0, 0, &from_x, &from_y);
1171 surface_to_global_float(es, sx, sy, &to_x, &to_y);
1172 shell->configure(shell, es,
1173 es->geometry.x + to_x - from_x,
1174 es->geometry.y + to_y - from_y,
1175 buffer->width, buffer->height);
1176 es->force_configure = 0;
1179 weston_buffer_attach(buffer, &es->surface);
1183 surface_damage(struct wl_client *client,
1184 struct wl_resource *resource,
1185 int32_t x, int32_t y, int32_t width, int32_t height)
1187 struct weston_surface *es = resource->data;
1189 weston_surface_damage_rectangle(es, x, y, width, height);
1193 destroy_frame_callback(struct wl_resource *resource)
1195 struct weston_frame_callback *cb = resource->data;
1197 wl_list_remove(&cb->link);
1202 surface_frame(struct wl_client *client,
1203 struct wl_resource *resource, uint32_t callback)
1205 struct weston_frame_callback *cb;
1206 struct weston_surface *es = resource->data;
1208 cb = malloc(sizeof *cb);
1210 wl_resource_post_no_memory(resource);
1214 cb->resource.object.interface = &wl_callback_interface;
1215 cb->resource.object.id = callback;
1216 cb->resource.destroy = destroy_frame_callback;
1217 cb->resource.client = client;
1218 cb->resource.data = cb;
1220 wl_client_add_resource(client, &cb->resource);
1223 wl_list_insert(es->output->frame_callback_list.prev,
1226 wl_list_insert(es->frame_callback_list.prev, &cb->link);
1231 surface_set_opaque_region(struct wl_client *client,
1232 struct wl_resource *resource,
1233 struct wl_resource *region_resource)
1235 struct weston_surface *surface = resource->data;
1236 struct weston_region *region;
1238 pixman_region32_fini(&surface->opaque);
1240 if (region_resource) {
1241 region = region_resource->data;
1242 pixman_region32_init_rect(&surface->opaque, 0, 0,
1243 surface->geometry.width,
1244 surface->geometry.height);
1245 pixman_region32_intersect(&surface->opaque,
1246 &surface->opaque, ®ion->region);
1248 pixman_region32_init(&surface->opaque);
1251 surface->geometry.dirty = 1;
1255 surface_set_input_region(struct wl_client *client,
1256 struct wl_resource *resource,
1257 struct wl_resource *region_resource)
1259 struct weston_surface *surface = resource->data;
1260 struct weston_region *region;
1262 if (region_resource) {
1263 region = region_resource->data;
1264 pixman_region32_init_rect(&surface->input, 0, 0,
1265 surface->geometry.width,
1266 surface->geometry.height);
1267 pixman_region32_intersect(&surface->input,
1268 &surface->input, ®ion->region);
1270 pixman_region32_init_rect(&surface->input, 0, 0,
1271 surface->geometry.width,
1272 surface->geometry.height);
1275 weston_compositor_schedule_repaint(surface->compositor);
1278 const static struct wl_surface_interface surface_interface = {
1283 surface_set_opaque_region,
1284 surface_set_input_region
1288 compositor_create_surface(struct wl_client *client,
1289 struct wl_resource *resource, uint32_t id)
1291 struct weston_compositor *ec = resource->data;
1292 struct weston_surface *surface;
1294 surface = weston_surface_create(ec);
1295 if (surface == NULL) {
1296 wl_resource_post_no_memory(resource);
1300 surface->surface.resource.destroy = destroy_surface;
1302 surface->surface.resource.object.id = id;
1303 surface->surface.resource.object.interface = &wl_surface_interface;
1304 surface->surface.resource.object.implementation =
1305 (void (**)(void)) &surface_interface;
1306 surface->surface.resource.data = surface;
1308 wl_client_add_resource(client, &surface->surface.resource);
1312 destroy_region(struct wl_resource *resource)
1314 struct weston_region *region =
1315 container_of(resource, struct weston_region, resource);
1317 pixman_region32_fini(®ion->region);
1322 region_destroy(struct wl_client *client, struct wl_resource *resource)
1324 wl_resource_destroy(resource, weston_compositor_get_time());
1328 region_add(struct wl_client *client, struct wl_resource *resource,
1329 int32_t x, int32_t y, int32_t width, int32_t height)
1331 struct weston_region *region = resource->data;
1333 pixman_region32_union_rect(®ion->region, ®ion->region,
1334 x, y, width, height);
1338 region_subtract(struct wl_client *client, struct wl_resource *resource,
1339 int32_t x, int32_t y, int32_t width, int32_t height)
1341 struct weston_region *region = resource->data;
1342 pixman_region32_t rect;
1344 pixman_region32_init_rect(&rect, x, y, width, height);
1345 pixman_region32_subtract(®ion->region, ®ion->region, &rect);
1346 pixman_region32_fini(&rect);
1349 static const struct wl_region_interface region_interface = {
1356 compositor_create_region(struct wl_client *client,
1357 struct wl_resource *resource, uint32_t id)
1359 struct weston_region *region;
1361 region = malloc(sizeof *region);
1362 if (region == NULL) {
1363 wl_resource_post_no_memory(resource);
1367 region->resource.destroy = destroy_region;
1369 region->resource.object.id = id;
1370 region->resource.object.interface = &wl_region_interface;
1371 region->resource.object.implementation =
1372 (void (**)(void)) ®ion_interface;
1373 region->resource.data = region;
1375 pixman_region32_init(®ion->region);
1377 wl_client_add_resource(client, ®ion->resource);
1380 const static struct wl_compositor_interface compositor_interface = {
1381 compositor_create_surface,
1382 compositor_create_region
1386 weston_compositor_wake(struct weston_compositor *compositor)
1388 compositor->state = WESTON_COMPOSITOR_ACTIVE;
1389 weston_compositor_fade(compositor, 0.0);
1391 wl_event_source_timer_update(compositor->idle_source,
1392 compositor->idle_time * 1000);
1396 weston_compositor_dpms_on(struct weston_compositor *compositor)
1398 struct weston_output *output;
1400 wl_list_for_each(output, &compositor->output_list, link)
1401 if (output->set_dpms)
1402 output->set_dpms(output, WESTON_DPMS_ON);
1406 weston_compositor_activity(struct weston_compositor *compositor)
1408 if (compositor->state == WESTON_COMPOSITOR_ACTIVE) {
1409 weston_compositor_wake(compositor);
1411 weston_compositor_dpms_on(compositor);
1412 compositor->shell->unlock(compositor->shell);
1417 weston_compositor_idle_inhibit(struct weston_compositor *compositor)
1419 weston_compositor_activity(compositor);
1420 compositor->idle_inhibit++;
1424 weston_compositor_idle_release(struct weston_compositor *compositor)
1426 compositor->idle_inhibit--;
1427 weston_compositor_activity(compositor);
1431 idle_handler(void *data)
1433 struct weston_compositor *compositor = data;
1435 if (compositor->idle_inhibit)
1438 weston_compositor_fade(compositor, 1.0);
1444 weston_input_update_drag_surface(struct wl_input_device *input_device,
1448 notify_motion(struct wl_input_device *device, uint32_t time, int x, int y)
1450 struct weston_output *output;
1451 const struct wl_pointer_grab_interface *interface;
1452 struct weston_input_device *wd = (struct weston_input_device *) device;
1453 struct weston_compositor *ec = wd->compositor;
1454 int x_valid = 0, y_valid = 0;
1455 int min_x = INT_MAX, min_y = INT_MAX, max_x = INT_MIN, max_y = INT_MIN;
1457 weston_compositor_activity(ec);
1459 wl_list_for_each(output, &ec->output_list, link) {
1460 if (output->x <= x && x < output->x + output->current->width)
1463 if (output->y <= y && y < output->y + output->current->height)
1466 /* FIXME: calculate this only on output addition/deletion */
1467 if (output->x < min_x)
1469 if (output->y < min_y)
1472 if (output->x + output->current->width > max_x)
1473 max_x = output->x + output->current->width - 1;
1474 if (output->y + output->current->height > max_y)
1475 max_y = output->y + output->current->height - 1;
1481 else if (x >= max_x)
1487 else if (y >= max_y)
1491 weston_input_update_drag_surface(device,
1492 x - device->x, y - device->y);
1497 wl_list_for_each(output, &ec->output_list, link)
1498 if (output->zoom.active &&
1499 pixman_region32_contains_point(&output->region, x, y, NULL))
1500 weston_output_update_zoom(output, x, y);
1502 weston_device_repick(device, time);
1503 interface = device->pointer_grab->interface;
1504 interface->motion(device->pointer_grab, time,
1505 device->pointer_grab->x, device->pointer_grab->y);
1508 weston_surface_set_position(wd->sprite,
1509 device->x - wd->hotspot_x,
1510 device->y - wd->hotspot_y);
1512 weston_compositor_schedule_repaint(ec);
1517 weston_surface_activate(struct weston_surface *surface,
1518 struct weston_input_device *device, uint32_t time)
1520 wl_input_device_set_keyboard_focus(&device->input_device,
1521 &surface->surface, time);
1522 wl_data_device_set_keyboard_focus(&device->input_device);
1526 notify_button(struct wl_input_device *device,
1527 uint32_t time, int32_t button, int32_t state)
1529 struct weston_input_device *wd = (struct weston_input_device *) device;
1530 struct weston_compositor *compositor = wd->compositor;
1533 weston_compositor_idle_inhibit(compositor);
1534 if (device->button_count == 0) {
1535 device->grab_button = button;
1536 device->grab_time = time;
1537 device->grab_x = device->x;
1538 device->grab_y = device->y;
1540 device->button_count++;
1542 weston_compositor_idle_release(compositor);
1543 device->button_count--;
1546 weston_compositor_run_binding(compositor, wd, time, 0, button, state);
1548 device->pointer_grab->interface->button(device->pointer_grab, time, button, state);
1553 update_modifier_state(struct weston_input_device *device,
1554 uint32_t key, uint32_t state)
1561 modifier = MODIFIER_CTRL;
1566 modifier = MODIFIER_ALT;
1571 modifier = MODIFIER_SUPER;
1580 device->modifier_state |= modifier;
1582 device->modifier_state &= ~modifier;
1586 notify_key(struct wl_input_device *device,
1587 uint32_t time, uint32_t key, uint32_t state)
1589 struct weston_input_device *wd = (struct weston_input_device *) device;
1590 struct weston_compositor *compositor = wd->compositor;
1594 weston_compositor_idle_inhibit(compositor);
1595 device->grab_key = key;
1596 device->grab_time = time;
1598 weston_compositor_idle_release(compositor);
1601 update_modifier_state(wd, key, state);
1602 end = device->keys.data + device->keys.size;
1603 for (k = device->keys.data; k < end; k++) {
1607 device->keys.size = (void *) end - device->keys.data;
1609 k = wl_array_add(&device->keys, sizeof *k);
1613 if (device->keyboard_grab == &device->default_keyboard_grab)
1614 weston_compositor_run_binding(compositor, wd,
1615 time, key, 0, state);
1617 device->keyboard_grab->interface->key(device->keyboard_grab,
1622 notify_pointer_focus(struct wl_input_device *device,
1623 uint32_t time, struct weston_output *output,
1624 int32_t x, int32_t y)
1626 struct weston_input_device *wd = (struct weston_input_device *) device;
1627 struct weston_compositor *compositor = wd->compositor;
1630 weston_input_update_drag_surface(device, x - device->x,
1635 compositor->focus = 1;
1636 weston_compositor_repick(compositor);
1638 compositor->focus = 0;
1639 weston_compositor_repick(compositor);
1644 destroy_device_saved_kbd_focus(struct wl_listener *listener,
1645 struct wl_resource *resource, uint32_t time)
1647 struct weston_input_device *wd;
1649 wd = container_of(listener, struct weston_input_device,
1650 saved_kbd_focus_listener);
1652 wd->saved_kbd_focus = NULL;
1656 notify_keyboard_focus(struct wl_input_device *device,
1657 uint32_t time, struct weston_output *output,
1658 struct wl_array *keys)
1660 struct weston_input_device *wd =
1661 (struct weston_input_device *) device;
1662 struct weston_compositor *compositor = wd->compositor;
1663 struct wl_surface *surface;
1667 wl_array_copy(&wd->input_device.keys, keys);
1668 wd->modifier_state = 0;
1669 wl_array_for_each(k, &device->keys) {
1670 weston_compositor_idle_inhibit(compositor);
1671 update_modifier_state(wd, *k, 1);
1674 surface = wd->saved_kbd_focus;
1677 wl_list_remove(&wd->saved_kbd_focus_listener.link);
1678 wl_input_device_set_keyboard_focus(&wd->input_device,
1680 wd->saved_kbd_focus = NULL;
1683 wl_array_for_each(k, &device->keys)
1684 weston_compositor_idle_release(compositor);
1686 wd->modifier_state = 0;
1688 surface = wd->input_device.keyboard_focus;
1691 wd->saved_kbd_focus = surface;
1692 wd->saved_kbd_focus_listener.func =
1693 destroy_device_saved_kbd_focus;
1694 wl_list_insert(surface->resource.destroy_listener_list.prev,
1695 &wd->saved_kbd_focus_listener.link);
1698 wl_input_device_set_keyboard_focus(&wd->input_device,
1703 /* TODO: share this function with wayland-server.c */
1704 static struct wl_resource *
1705 find_resource_for_surface(struct wl_list *list, struct wl_surface *surface)
1707 struct wl_resource *r;
1712 wl_list_for_each(r, list, link) {
1713 if (r->client == surface->resource.client)
1721 lose_touch_focus_resource(struct wl_listener *listener,
1722 struct wl_resource *resource, uint32_t time)
1724 struct weston_input_device *device =
1725 container_of(listener, struct weston_input_device,
1726 touch_focus_resource_listener);
1728 device->touch_focus_resource = NULL;
1732 lose_touch_focus(struct wl_listener *listener,
1733 struct wl_resource *resource, uint32_t time)
1735 struct weston_input_device *device =
1736 container_of(listener, struct weston_input_device,
1737 touch_focus_listener);
1739 device->touch_focus = NULL;
1743 touch_set_focus(struct weston_input_device *device,
1744 struct wl_surface *surface, uint32_t time)
1746 struct wl_input_device *input_device = &device->input_device;
1747 struct wl_resource *resource;
1749 if (device->touch_focus == surface)
1754 find_resource_for_surface(&input_device->resource_list,
1757 fprintf(stderr, "couldn't find resource\n");
1761 device->touch_focus_resource_listener.func =
1762 lose_touch_focus_resource;
1763 wl_list_insert(resource->destroy_listener_list.prev,
1764 &device->touch_focus_resource_listener.link);
1765 device->touch_focus_listener.func = lose_touch_focus;
1766 wl_list_insert(surface->resource.destroy_listener_list.prev,
1767 &device->touch_focus_listener.link);
1769 device->touch_focus = surface;
1770 device->touch_focus_resource = resource;
1772 if (device->touch_focus)
1773 wl_list_remove(&device->touch_focus_listener.link);
1774 if (device->touch_focus_resource)
1775 wl_list_remove(&device->touch_focus_resource_listener.link);
1776 device->touch_focus = NULL;
1777 device->touch_focus_resource = NULL;
1782 * notify_touch - emulates button touches and notifies surfaces accordingly.
1784 * It assumes always the correct cycle sequence until it gets here: touch_down
1785 * → touch_update → ... → touch_update → touch_end. The driver is responsible
1786 * for sending along such order.
1790 notify_touch(struct wl_input_device *device, uint32_t time, int touch_id,
1791 int x, int y, int touch_type)
1793 struct weston_input_device *wd = (struct weston_input_device *) device;
1794 struct weston_compositor *ec = wd->compositor;
1795 struct weston_surface *es;
1798 switch (touch_type) {
1799 case WL_INPUT_DEVICE_TOUCH_DOWN:
1800 weston_compositor_idle_inhibit(ec);
1804 /* the first finger down picks the surface, and all further go
1805 * to that surface for the remainder of the touch session i.e.
1806 * until all touch points are up again. */
1807 if (wd->num_tp == 1) {
1808 es = weston_compositor_pick_surface(ec, x, y, &sx, &sy);
1809 touch_set_focus(wd, &es->surface, time);
1810 } else if (wd->touch_focus) {
1811 es = (struct weston_surface *) wd->touch_focus;
1812 weston_surface_from_global(es, x, y, &sx, &sy);
1815 if (wd->touch_focus_resource && wd->touch_focus)
1816 wl_input_device_send_touch_down(wd->touch_focus_resource,
1817 time, &wd->touch_focus->resource,
1820 case WL_INPUT_DEVICE_TOUCH_MOTION:
1821 es = (struct weston_surface *) wd->touch_focus;
1825 weston_surface_from_global(es, x, y, &sx, &sy);
1826 if (wd->touch_focus_resource)
1827 wl_input_device_send_touch_motion(wd->touch_focus_resource,
1828 time, touch_id, sx, sy);
1830 case WL_INPUT_DEVICE_TOUCH_UP:
1831 weston_compositor_idle_release(ec);
1834 if (wd->touch_focus_resource)
1835 wl_input_device_send_touch_up(wd->touch_focus_resource,
1837 if (wd->num_tp == 0)
1838 touch_set_focus(wd, NULL, time);
1844 input_device_attach(struct wl_client *client,
1845 struct wl_resource *resource,
1847 struct wl_resource *buffer_resource, int32_t x, int32_t y)
1849 struct weston_input_device *device = resource->data;
1850 struct weston_compositor *compositor = device->compositor;
1851 struct wl_buffer *buffer;
1853 if (time < device->input_device.pointer_focus_time)
1855 if (device->input_device.pointer_focus == NULL)
1857 if (device->input_device.pointer_focus->resource.client != client)
1860 if (!buffer_resource) {
1861 if (device->sprite->output)
1862 weston_surface_unmap(device->sprite);
1866 if (!device->sprite->output) {
1867 wl_list_insert(&compositor->cursor_layer.surface_list,
1868 &device->sprite->layer_link);
1869 weston_surface_assign_output(device->sprite);
1872 buffer = buffer_resource->data;
1873 device->hotspot_x = x;
1874 device->hotspot_y = y;
1875 weston_surface_configure(device->sprite,
1876 device->input_device.x - device->hotspot_x,
1877 device->input_device.y - device->hotspot_y,
1878 buffer->width, buffer->height);
1880 weston_buffer_attach(buffer, &device->sprite->surface);
1881 weston_surface_damage(device->sprite);
1884 const static struct wl_input_device_interface input_device_interface = {
1885 input_device_attach,
1889 handle_drag_surface_destroy(struct wl_listener *listener,
1890 struct wl_resource *resource, uint32_t time)
1892 struct weston_input_device *device;
1894 device = container_of(listener, struct weston_input_device,
1895 drag_surface_destroy_listener);
1897 device->drag_surface = NULL;
1900 static void unbind_input_device(struct wl_resource *resource)
1902 wl_list_remove(&resource->link);
1907 bind_input_device(struct wl_client *client,
1908 void *data, uint32_t version, uint32_t id)
1910 struct wl_input_device *device = data;
1911 struct wl_resource *resource;
1913 resource = wl_client_add_object(client, &wl_input_device_interface,
1914 &input_device_interface, id, data);
1915 wl_list_insert(&device->resource_list, &resource->link);
1916 resource->destroy = unbind_input_device;
1920 weston_input_device_init(struct weston_input_device *device,
1921 struct weston_compositor *ec)
1923 wl_input_device_init(&device->input_device);
1925 wl_display_add_global(ec->wl_display, &wl_input_device_interface,
1926 device, bind_input_device);
1928 device->sprite = weston_surface_create(ec);
1930 device->compositor = ec;
1931 device->hotspot_x = 16;
1932 device->hotspot_y = 16;
1933 device->modifier_state = 0;
1936 device->drag_surface_destroy_listener.func = handle_drag_surface_destroy;
1938 wl_list_insert(ec->input_device_list.prev, &device->link);
1942 weston_input_device_release(struct weston_input_device *device)
1944 wl_list_remove(&device->link);
1945 /* The global object is destroyed at wl_display_destroy() time. */
1948 destroy_surface(&device->sprite->surface.resource);
1950 wl_input_device_release(&device->input_device);
1954 device_setup_new_drag_surface(struct weston_input_device *device,
1955 struct weston_surface *surface)
1957 struct wl_input_device *input_device = &device->input_device;
1959 device->drag_surface = surface;
1961 weston_surface_set_position(device->drag_surface,
1962 input_device->x, input_device->y);
1964 wl_list_insert(surface->surface.resource.destroy_listener_list.prev,
1965 &device->drag_surface_destroy_listener.link);
1969 device_release_drag_surface(struct weston_input_device *device)
1971 undef_region(&device->drag_surface->input);
1972 wl_list_remove(&device->drag_surface_destroy_listener.link);
1973 device->drag_surface = NULL;
1977 device_map_drag_surface(struct weston_input_device *device)
1979 if (device->drag_surface->output ||
1980 !device->drag_surface->buffer)
1983 wl_list_insert(&device->sprite->layer_link,
1984 &device->drag_surface->layer_link);
1985 weston_surface_assign_output(device->drag_surface);
1986 empty_region(&device->drag_surface->input);
1990 weston_input_update_drag_surface(struct wl_input_device *input_device,
1993 int surface_changed = 0;
1994 struct weston_input_device *device = (struct weston_input_device *)
1997 if (!device->drag_surface && !input_device->drag_surface)
2000 if (device->drag_surface && input_device->drag_surface &&
2001 (&device->drag_surface->surface.resource !=
2002 &input_device->drag_surface->resource))
2003 /* between calls to this funcion we got a new drag_surface */
2004 surface_changed = 1;
2006 if (!input_device->drag_surface || surface_changed) {
2007 device_release_drag_surface(device);
2008 if (!surface_changed)
2012 if (!device->drag_surface || surface_changed) {
2013 struct weston_surface *surface = (struct weston_surface *)
2014 input_device->drag_surface;
2015 device_setup_new_drag_surface(device, surface);
2018 /* the client may not have attached a buffer to the drag surface
2019 * when we setup it up, so check if map is needed on every update */
2020 device_map_drag_surface(device);
2022 /* the client may have attached a buffer with a different size to
2023 * the drag surface, causing the input region to be reset */
2024 if (region_is_undefined(&device->drag_surface->input))
2025 empty_region(&device->drag_surface->input);
2030 weston_surface_set_position(device->drag_surface,
2031 device->drag_surface->geometry.x + dx,
2032 device->drag_surface->geometry.y + dy);
2036 weston_compositor_update_drag_surfaces(struct weston_compositor *compositor)
2038 weston_input_update_drag_surface(compositor->input_device, 0, 0);
2042 bind_output(struct wl_client *client,
2043 void *data, uint32_t version, uint32_t id)
2045 struct weston_output *output = data;
2046 struct weston_mode *mode;
2047 struct wl_resource *resource;
2049 resource = wl_client_add_object(client,
2050 &wl_output_interface, NULL, id, data);
2052 wl_output_send_geometry(resource,
2058 output->make, output->model);
2060 wl_list_for_each (mode, &output->mode_list, link) {
2061 wl_output_send_mode(resource,
2069 static const char vertex_shader[] =
2070 "uniform mat4 proj;\n"
2071 "attribute vec2 position;\n"
2072 "attribute vec2 texcoord;\n"
2073 "varying vec2 v_texcoord;\n"
2076 " gl_Position = proj * vec4(position, 0.0, 1.0);\n"
2077 " v_texcoord = texcoord;\n"
2080 static const char texture_fragment_shader[] =
2081 "precision mediump float;\n"
2082 "varying vec2 v_texcoord;\n"
2083 "uniform sampler2D tex;\n"
2084 "uniform float alpha;\n"
2085 "uniform float texwidth;\n"
2088 " if (v_texcoord.x < 0.0 || v_texcoord.x > texwidth ||\n"
2089 " v_texcoord.y < 0.0 || v_texcoord.y > 1.0)\n"
2091 " gl_FragColor = texture2D(tex, v_texcoord)\n;"
2092 " gl_FragColor = alpha * gl_FragColor;\n"
2095 static const char solid_fragment_shader[] =
2096 "precision mediump float;\n"
2097 "uniform vec4 color;\n"
2100 " gl_FragColor = color\n;"
2104 compile_shader(GLenum type, const char *source)
2110 s = glCreateShader(type);
2111 glShaderSource(s, 1, &source, NULL);
2113 glGetShaderiv(s, GL_COMPILE_STATUS, &status);
2115 glGetShaderInfoLog(s, sizeof msg, NULL, msg);
2116 fprintf(stderr, "shader info: %s\n", msg);
2124 weston_shader_init(struct weston_shader *shader,
2125 const char *vertex_source, const char *fragment_source)
2130 shader->vertex_shader =
2131 compile_shader(GL_VERTEX_SHADER, vertex_source);
2132 shader->fragment_shader =
2133 compile_shader(GL_FRAGMENT_SHADER, fragment_source);
2135 shader->program = glCreateProgram();
2136 glAttachShader(shader->program, shader->vertex_shader);
2137 glAttachShader(shader->program, shader->fragment_shader);
2138 glBindAttribLocation(shader->program, 0, "position");
2139 glBindAttribLocation(shader->program, 1, "texcoord");
2141 glLinkProgram(shader->program);
2142 glGetProgramiv(shader->program, GL_LINK_STATUS, &status);
2144 glGetProgramInfoLog(shader->program, sizeof msg, NULL, msg);
2145 fprintf(stderr, "link info: %s\n", msg);
2149 shader->proj_uniform = glGetUniformLocation(shader->program, "proj");
2150 shader->tex_uniform = glGetUniformLocation(shader->program, "tex");
2151 shader->alpha_uniform = glGetUniformLocation(shader->program, "alpha");
2152 shader->color_uniform = glGetUniformLocation(shader->program, "color");
2153 shader->texwidth_uniform = glGetUniformLocation(shader->program,
2160 weston_output_destroy(struct weston_output *output)
2162 pixman_region32_fini(&output->region);
2163 pixman_region32_fini(&output->previous_damage);
2167 weston_output_update_zoom(struct weston_output *output, int x, int y)
2171 if (output->zoom.level <= 0)
2174 output->zoom.magnification = 1 / output->zoom.level;
2175 ratio = 1 - (1 / output->zoom.magnification);
2177 output->zoom.trans_x = (((float)(x - output->x) / output->current->width) * (ratio * 2)) - ratio;
2178 output->zoom.trans_y = (((float)(y - output->y) / output->current->height) * (ratio * 2)) - ratio;
2181 weston_output_damage(output);
2185 weston_output_update_matrix(struct weston_output *output)
2188 struct weston_matrix camera;
2189 struct weston_matrix modelview;
2191 weston_matrix_init(&output->matrix);
2192 weston_matrix_translate(&output->matrix,
2193 -(output->x + (output->border.right + output->current->width - output->border.left) / 2.0),
2194 -(output->y + (output->border.bottom + output->current->height - output->border.top) / 2.0), 0);
2196 flip = (output->flags & WL_OUTPUT_FLIPPED) ? -1 : 1;
2197 weston_matrix_scale(&output->matrix,
2198 2.0 / (output->current->width + output->border.left + output->border.right),
2199 flip * 2.0 / (output->current->height + output->border.top + output->border.bottom), 1);
2200 if (output->zoom.active) {
2201 weston_matrix_init(&camera);
2202 weston_matrix_init(&modelview);
2203 weston_matrix_translate(&camera, output->zoom.trans_x, flip * output->zoom.trans_y, 0);
2204 weston_matrix_invert(&modelview, &camera);
2205 weston_matrix_scale(&modelview, output->zoom.magnification, output->zoom.magnification, 1.0);
2206 weston_matrix_multiply(&output->matrix, &modelview);
2213 weston_output_move(struct weston_output *output, int x, int y)
2218 pixman_region32_init(&output->previous_damage);
2219 pixman_region32_init_rect(&output->region, x, y,
2220 output->current->width,
2221 output->current->height);
2225 weston_output_init(struct weston_output *output, struct weston_compositor *c,
2226 int x, int y, int width, int height, uint32_t flags)
2228 output->compositor = c;
2231 output->border.top = 0;
2232 output->border.bottom = 0;
2233 output->border.left = 0;
2234 output->border.right = 0;
2235 output->mm_width = width;
2236 output->mm_height = height;
2239 output->zoom.active = 0;
2240 output->zoom.increment = 0.05;
2241 output->zoom.level = 1.0;
2242 output->zoom.magnification = 1.0;
2243 output->zoom.trans_x = 0.0;
2244 output->zoom.trans_y = 0.0;
2246 output->flags = flags;
2247 weston_output_move(output, x, y);
2249 wl_list_init(&output->frame_callback_list);
2251 wl_display_add_global(c->wl_display,
2252 &wl_output_interface, output, bind_output);
2256 shm_buffer_created(struct wl_buffer *buffer)
2258 struct wl_list *surfaces_attached_to;
2260 surfaces_attached_to = malloc(sizeof *surfaces_attached_to);
2261 if (!surfaces_attached_to) {
2262 buffer->user_data = NULL;
2266 wl_list_init(surfaces_attached_to);
2268 buffer->user_data = surfaces_attached_to;
2272 shm_buffer_damaged(struct wl_buffer *buffer,
2273 int32_t x, int32_t y, int32_t width, int32_t height)
2275 struct wl_list *surfaces_attached_to = buffer->user_data;
2276 struct weston_surface *es;
2277 GLsizei tex_width = wl_shm_buffer_get_stride(buffer) / 4;
2279 wl_list_for_each(es, surfaces_attached_to, buffer_link) {
2280 glBindTexture(GL_TEXTURE_2D, es->texture);
2281 glTexImage2D(GL_TEXTURE_2D, 0, GL_BGRA_EXT,
2282 tex_width, buffer->height, 0,
2283 GL_BGRA_EXT, GL_UNSIGNED_BYTE,
2284 wl_shm_buffer_get_data(buffer));
2285 /* Hmm, should use glTexSubImage2D() here but GLES2 doesn't
2286 * support any unpack attributes except GL_UNPACK_ALIGNMENT. */
2291 shm_buffer_destroyed(struct wl_buffer *buffer)
2293 struct wl_list *surfaces_attached_to = buffer->user_data;
2294 struct weston_surface *es, *next;
2296 wl_list_for_each_safe(es, next, surfaces_attached_to, buffer_link) {
2297 wl_list_remove(&es->buffer_link);
2298 wl_list_init(&es->buffer_link);
2301 free(surfaces_attached_to);
2304 const static struct wl_shm_callbacks shm_callbacks = {
2307 shm_buffer_destroyed
2311 compositor_bind(struct wl_client *client,
2312 void *data, uint32_t version, uint32_t id)
2314 struct weston_compositor *compositor = data;
2316 wl_client_add_object(client, &wl_compositor_interface,
2317 &compositor_interface, id, compositor);
2321 weston_compositor_init(struct weston_compositor *ec, struct wl_display *display)
2323 struct wl_event_loop *loop;
2324 const char *extensions;
2326 ec->wl_display = display;
2328 if (!wl_display_add_global(display, &wl_compositor_interface,
2329 ec, compositor_bind))
2332 ec->shm = wl_shm_init(display, &shm_callbacks);
2334 ec->image_target_texture_2d =
2335 (void *) eglGetProcAddress("glEGLImageTargetTexture2DOES");
2336 ec->image_target_renderbuffer_storage = (void *)
2337 eglGetProcAddress("glEGLImageTargetRenderbufferStorageOES");
2338 ec->create_image = (void *) eglGetProcAddress("eglCreateImageKHR");
2339 ec->destroy_image = (void *) eglGetProcAddress("eglDestroyImageKHR");
2341 (void *) eglGetProcAddress("eglBindWaylandDisplayWL");
2342 ec->unbind_display =
2343 (void *) eglGetProcAddress("eglUnbindWaylandDisplayWL");
2345 extensions = (const char *) glGetString(GL_EXTENSIONS);
2346 if (!strstr(extensions, "GL_EXT_texture_format_BGRA8888")) {
2348 "GL_EXT_texture_format_BGRA8888 not available\n");
2353 (const char *) eglQueryString(ec->display, EGL_EXTENSIONS);
2354 if (strstr(extensions, "EGL_WL_bind_wayland_display"))
2355 ec->has_bind_display = 1;
2356 if (ec->has_bind_display)
2357 ec->bind_display(ec->display, ec->wl_display);
2359 wl_list_init(&ec->surface_list);
2360 wl_list_init(&ec->layer_list);
2361 wl_list_init(&ec->input_device_list);
2362 wl_list_init(&ec->output_list);
2363 wl_list_init(&ec->binding_list);
2364 wl_list_init(&ec->animation_list);
2365 weston_spring_init(&ec->fade.spring, 30.0, 1.0, 1.0);
2366 ec->fade.animation.frame = fade_frame;
2367 wl_list_init(&ec->fade.animation.link);
2369 weston_layer_init(&ec->fade_layer, &ec->layer_list);
2370 weston_layer_init(&ec->cursor_layer, &ec->fade_layer.link);
2372 ec->screenshooter = screenshooter_create(ec);
2374 wl_data_device_manager_init(ec->wl_display);
2376 glActiveTexture(GL_TEXTURE0);
2378 if (weston_shader_init(&ec->texture_shader,
2379 vertex_shader, texture_fragment_shader) < 0)
2381 if (weston_shader_init(&ec->solid_shader,
2382 vertex_shader, solid_fragment_shader) < 0)
2385 loop = wl_display_get_event_loop(ec->wl_display);
2386 ec->idle_source = wl_event_loop_add_timer(loop, idle_handler, ec);
2387 wl_event_source_timer_update(ec->idle_source, ec->idle_time * 1000);
2389 ec->input_loop = wl_event_loop_create();
2391 weston_compositor_schedule_repaint(ec);
2397 weston_compositor_shutdown(struct weston_compositor *ec)
2399 struct weston_output *output, *next;
2401 wl_event_source_remove(ec->idle_source);
2403 if (ec->screenshooter)
2404 screenshooter_destroy(ec->screenshooter);
2406 /* Destroy all outputs associated with this compositor */
2407 wl_list_for_each_safe(output, next, &ec->output_list, link)
2408 output->destroy(output);
2410 weston_binding_list_destroy_all(&ec->binding_list);
2412 wl_shm_finish(ec->shm);
2414 wl_array_release(&ec->vertices);
2415 wl_array_release(&ec->indices);
2418 static int on_term_signal(int signal_number, void *data)
2420 struct wl_display *display = data;
2422 fprintf(stderr, "caught signal %d\n", signal_number);
2423 wl_display_terminate(display);
2429 on_segv_signal(int s, siginfo_t *siginfo, void *context)
2435 fprintf(stderr, "caught segv\n");
2437 count = backtrace(buffer, ARRAY_LENGTH(buffer));
2438 for (i = 0; i < count; i++) {
2439 dladdr(buffer[i], &info);
2440 fprintf(stderr, " [%016lx] %s (%s)\n",
2442 info.dli_sname ? info.dli_sname : "--",
2446 longjmp(segv_jmp_buf, 1);
2451 load_module(const char *name, const char *entrypoint, void **handle)
2453 char path[PATH_MAX];
2454 void *module, *init;
2457 snprintf(path, sizeof path, MODULEDIR "/%s", name);
2459 snprintf(path, sizeof path, "%s", name);
2461 module = dlopen(path, RTLD_LAZY);
2464 "failed to load module: %s\n", dlerror());
2468 init = dlsym(module, entrypoint);
2471 "failed to lookup init function: %s\n", dlerror());
2478 int main(int argc, char *argv[])
2480 struct wl_display *display;
2481 struct weston_compositor *ec;
2482 struct wl_event_source *signals[4];
2483 struct wl_event_loop *loop;
2484 struct sigaction segv_action;
2485 void *shell_module, *backend_module;
2486 int (*shell_init)(struct weston_compositor *ec);
2487 struct weston_compositor
2488 *(*backend_init)(struct wl_display *display,
2489 int argc, char *argv[]);
2491 char *backend = NULL;
2493 int32_t idle_time = 300;
2495 char *socket_name = NULL;
2497 const struct weston_option core_options[] = {
2498 { WESTON_OPTION_STRING, "backend", 'B', &backend },
2499 { WESTON_OPTION_STRING, "socket", 'S', &socket_name },
2500 { WESTON_OPTION_INTEGER, "idle-time", 'i', &idle_time },
2501 { WESTON_OPTION_STRING, "shell", 's', &shell },
2502 { WESTON_OPTION_BOOLEAN, "xserver", 0, &xserver },
2505 argc = parse_options(core_options,
2506 ARRAY_LENGTH(core_options), argc, argv);
2508 display = wl_display_create();
2510 loop = wl_display_get_event_loop(display);
2511 signals[0] = wl_event_loop_add_signal(loop, SIGTERM, on_term_signal,
2513 signals[1] = wl_event_loop_add_signal(loop, SIGINT, on_term_signal,
2515 signals[2] = wl_event_loop_add_signal(loop, SIGQUIT, on_term_signal,
2518 wl_list_init(&child_process_list);
2519 signals[3] = wl_event_loop_add_signal(loop, SIGCHLD, sigchld_handler,
2522 segv_action.sa_flags = SA_SIGINFO | SA_RESETHAND;
2523 segv_action.sa_sigaction = on_segv_signal;
2524 sigemptyset(&segv_action.sa_mask);
2525 sigaction(SIGSEGV, &segv_action, NULL);
2528 if (getenv("WAYLAND_DISPLAY"))
2529 backend = "wayland-backend.so";
2530 else if (getenv("DISPLAY"))
2531 backend = "x11-backend.so";
2532 else if (getenv("OPENWFD"))
2533 backend = "openwfd-backend.so";
2535 backend = "drm-backend.so";
2539 shell = "desktop-shell.so";
2541 backend_init = load_module(backend, "backend_init", &backend_module);
2545 shell_init = load_module(shell, "shell_init", &shell_module);
2549 ec = backend_init(display, argc, argv);
2551 fprintf(stderr, "failed to create compositor\n");
2555 for (i = 1; argv[i]; i++)
2556 fprintf(stderr, "unhandled option: %s\n", argv[i]);
2560 ec->option_idle_time = idle_time;
2561 ec->idle_time = idle_time;
2563 #ifdef BUILD_XSERVER_LAUNCHER
2565 weston_xserver_init(ec);
2568 if (shell_init(ec) < 0)
2571 if (wl_display_add_socket(display, socket_name)) {
2572 fprintf(stderr, "failed to add socket: %m\n");
2576 weston_compositor_dpms_on(ec);
2577 weston_compositor_wake(ec);
2578 if (setjmp(segv_jmp_buf) == 0)
2579 wl_display_run(display);
2581 /* prevent further rendering while shutting down */
2582 ec->state = WESTON_COMPOSITOR_SLEEPING;
2584 #ifdef BUILD_XSERVER_LAUNCHER
2586 weston_xserver_destroy(ec);
2589 ec->shell->destroy(ec->shell);
2591 if (ec->has_bind_display)
2592 ec->unbind_display(ec->display, display);
2594 for (i = ARRAY_LENGTH(signals); i;)
2595 wl_event_source_remove(signals[--i]);
2598 wl_display_destroy(display);