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);
216 surface->surface.resource.client = NULL;
218 surface->compositor = compositor;
219 surface->image = EGL_NO_IMAGE_KHR;
220 surface->alpha = 255;
223 surface->buffer = NULL;
224 surface->output = NULL;
226 pixman_region32_init(&surface->damage);
227 pixman_region32_init(&surface->opaque);
228 pixman_region32_init(&surface->clip);
229 undef_region(&surface->input);
230 pixman_region32_init(&surface->transform.opaque);
231 wl_list_init(&surface->frame_callback_list);
233 surface->buffer_destroy_listener.func = surface_handle_buffer_destroy;
235 wl_list_init(&surface->geometry.transformation_list);
236 wl_list_insert(&surface->geometry.transformation_list,
237 &surface->transform.position.link);
238 weston_matrix_init(&surface->transform.position.matrix);
239 pixman_region32_init(&surface->transform.boundingbox);
240 surface->geometry.dirty = 1;
246 weston_surface_set_color(struct weston_surface *surface,
247 GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha)
249 surface->color[0] = red;
250 surface->color[1] = green;
251 surface->color[2] = blue;
252 surface->color[3] = alpha;
253 surface->shader = &surface->compositor->solid_shader;
257 surface_to_global_float(struct weston_surface *surface,
258 int32_t sx, int32_t sy, GLfloat *x, GLfloat *y)
260 if (surface->transform.enabled) {
261 struct weston_vector v = { { sx, sy, 0.0f, 1.0f } };
263 weston_matrix_transform(&surface->transform.matrix, &v);
265 if (fabsf(v.f[3]) < 1e-6) {
266 fprintf(stderr, "warning: numerical instability in "
267 "weston_surface_to_global(), divisor = %g\n",
274 *x = v.f[0] / v.f[3];
275 *y = v.f[1] / v.f[3];
277 *x = sx + surface->geometry.x;
278 *y = sy + surface->geometry.y;
283 weston_surface_damage_below(struct weston_surface *surface)
285 struct weston_compositor *compositor = surface->compositor;
286 pixman_region32_t damage;
288 pixman_region32_init(&damage);
289 pixman_region32_subtract(&damage, &surface->transform.boundingbox,
291 pixman_region32_union(&compositor->damage,
292 &compositor->damage, &damage);
293 pixman_region32_fini(&damage);
297 surface_compute_bbox(struct weston_surface *surface, int32_t sx, int32_t sy,
298 int32_t width, int32_t height,
299 pixman_region32_t *bbox)
301 GLfloat min_x = HUGE_VALF, min_y = HUGE_VALF;
302 GLfloat max_x = -HUGE_VALF, max_y = -HUGE_VALF;
307 { sx + width, sy + height }
309 GLfloat int_x, int_y;
312 for (i = 0; i < 4; ++i) {
314 surface_to_global_float(surface, s[i][0], s[i][1], &x, &y);
325 int_x = floorf(min_x);
326 int_y = floorf(min_y);
327 pixman_region32_init_rect(bbox, int_x, int_y,
328 ceilf(max_x) - int_x, ceilf(max_y) - int_y);
332 weston_surface_update_transform_disable(struct weston_surface *surface)
334 surface->transform.enabled = 0;
336 /* round off fractions when not transformed */
337 surface->geometry.x = roundf(surface->geometry.x);
338 surface->geometry.y = roundf(surface->geometry.y);
340 pixman_region32_init_rect(&surface->transform.boundingbox,
343 surface->geometry.width,
344 surface->geometry.height);
346 if (surface->alpha == 255) {
347 pixman_region32_copy(&surface->transform.opaque,
349 pixman_region32_translate(&surface->transform.opaque,
351 surface->geometry.y);
356 weston_surface_update_transform_enable(struct weston_surface *surface)
358 struct weston_matrix *matrix = &surface->transform.matrix;
359 struct weston_matrix *inverse = &surface->transform.inverse;
360 struct weston_transform *tform;
362 surface->transform.enabled = 1;
364 /* Otherwise identity matrix, but with x and y translation. */
365 surface->transform.position.matrix.d[12] = surface->geometry.x;
366 surface->transform.position.matrix.d[13] = surface->geometry.y;
368 weston_matrix_init(matrix);
369 wl_list_for_each(tform, &surface->geometry.transformation_list, link)
370 weston_matrix_multiply(matrix, &tform->matrix);
372 if (weston_matrix_invert(inverse, matrix) < 0) {
373 /* Oops, bad total transformation, not invertible */
374 fprintf(stderr, "error: weston_surface %p"
375 " transformation not invertible.\n", surface);
379 surface_compute_bbox(surface, 0, 0, surface->geometry.width,
380 surface->geometry.height,
381 &surface->transform.boundingbox);
387 weston_surface_update_transform(struct weston_surface *surface)
389 if (!surface->geometry.dirty)
392 surface->geometry.dirty = 0;
394 weston_surface_damage_below(surface);
396 pixman_region32_fini(&surface->transform.boundingbox);
397 pixman_region32_fini(&surface->transform.opaque);
398 pixman_region32_init(&surface->transform.opaque);
400 if (region_is_undefined(&surface->input))
401 pixman_region32_init_rect(&surface->input, 0, 0,
402 surface->geometry.width,
403 surface->geometry.height);
405 /* transform.position is always in transformation_list */
406 if (surface->geometry.transformation_list.next ==
407 &surface->transform.position.link &&
408 surface->geometry.transformation_list.prev ==
409 &surface->transform.position.link) {
410 weston_surface_update_transform_disable(surface);
412 if (weston_surface_update_transform_enable(surface) < 0)
413 weston_surface_update_transform_disable(surface);
416 /* weston_surface_damage() without update */
417 pixman_region32_union(&surface->damage, &surface->damage,
418 &surface->transform.boundingbox);
420 if (weston_surface_is_mapped(surface))
421 weston_surface_assign_output(surface);
423 weston_compositor_schedule_repaint(surface->compositor);
427 weston_surface_to_global_float(struct weston_surface *surface,
428 int32_t sx, int32_t sy, GLfloat *x, GLfloat *y)
430 weston_surface_update_transform(surface);
432 surface_to_global_float(surface, sx, sy, x, y);
436 weston_surface_to_global(struct weston_surface *surface,
437 int32_t sx, int32_t sy, int32_t *x, int32_t *y)
441 weston_surface_to_global_float(surface, sx, sy, &xf, &yf);
447 surface_from_global_float(struct weston_surface *surface,
448 int32_t x, int32_t y, GLfloat *sx, GLfloat *sy)
450 if (surface->transform.enabled) {
451 struct weston_vector v = { { x, y, 0.0f, 1.0f } };
453 weston_matrix_transform(&surface->transform.inverse, &v);
455 if (fabsf(v.f[3]) < 1e-6) {
456 fprintf(stderr, "warning: numerical instability in "
457 "weston_surface_from_global(), divisor = %g\n",
464 *sx = v.f[0] / v.f[3];
465 *sy = v.f[1] / v.f[3];
467 *sx = x - surface->geometry.x;
468 *sy = y - surface->geometry.y;
473 weston_surface_from_global(struct weston_surface *surface,
474 int32_t x, int32_t y, int32_t *sx, int32_t *sy)
478 weston_surface_update_transform(surface);
480 surface_from_global_float(surface, x, y, &sxf, &syf);
486 weston_surface_damage_rectangle(struct weston_surface *surface,
487 int32_t sx, int32_t sy,
488 int32_t width, int32_t height)
490 weston_surface_update_transform(surface);
492 if (surface->transform.enabled) {
493 pixman_region32_t box;
494 surface_compute_bbox(surface, sx, sy, width, height, &box);
495 pixman_region32_union(&surface->damage, &surface->damage,
497 pixman_region32_fini(&box);
499 pixman_region32_union_rect(&surface->damage, &surface->damage,
500 surface->geometry.x + sx,
501 surface->geometry.y + sy,
505 weston_compositor_schedule_repaint(surface->compositor);
509 weston_surface_damage(struct weston_surface *surface)
511 weston_surface_update_transform(surface);
513 pixman_region32_union(&surface->damage, &surface->damage,
514 &surface->transform.boundingbox);
516 weston_compositor_schedule_repaint(surface->compositor);
520 weston_surface_configure(struct weston_surface *surface,
521 GLfloat x, GLfloat y, int width, int height)
523 surface->geometry.x = x;
524 surface->geometry.y = y;
525 surface->geometry.width = width;
526 surface->geometry.height = height;
527 surface->geometry.dirty = 1;
531 weston_surface_set_position(struct weston_surface *surface,
532 GLfloat x, GLfloat y)
534 surface->geometry.x = x;
535 surface->geometry.y = y;
536 surface->geometry.dirty = 1;
540 weston_surface_is_mapped(struct weston_surface *surface)
549 weston_compositor_get_time(void)
553 gettimeofday(&tv, NULL);
555 return tv.tv_sec * 1000 + tv.tv_usec / 1000;
558 static struct weston_surface *
559 weston_compositor_pick_surface(struct weston_compositor *compositor,
560 int32_t x, int32_t y, int32_t *sx, int32_t *sy)
562 struct weston_surface *surface;
564 wl_list_for_each(surface, &compositor->surface_list, link) {
565 weston_surface_from_global(surface, x, y, sx, sy);
566 if (pixman_region32_contains_point(&surface->input,
575 weston_device_repick(struct wl_input_device *device, uint32_t time)
577 struct weston_input_device *wd = (struct weston_input_device *) device;
578 const struct wl_pointer_grab_interface *interface;
579 struct weston_surface *surface, *focus;
581 surface = weston_compositor_pick_surface(wd->compositor,
582 device->x, device->y,
586 if (&surface->surface != device->current) {
587 interface = device->pointer_grab->interface;
588 interface->focus(device->pointer_grab, time, &surface->surface,
589 device->current_x, device->current_y);
590 device->current = &surface->surface;
593 focus = (struct weston_surface *) device->pointer_grab->focus;
595 weston_surface_from_global(focus, device->x, device->y,
596 &device->pointer_grab->x, &device->pointer_grab->y);
600 weston_compositor_repick(struct weston_compositor *compositor)
602 struct weston_input_device *device;
605 if (!compositor->focus)
608 time = weston_compositor_get_time();
609 wl_list_for_each(device, &compositor->input_device_list, link)
610 weston_device_repick(&device->input_device, time);
614 weston_surface_unmap(struct weston_surface *surface)
616 struct wl_input_device *device = surface->compositor->input_device;
618 weston_surface_damage_below(surface);
619 surface->output = NULL;
620 wl_list_remove(&surface->link);
621 wl_list_remove(&surface->layer_link);
623 if (device->keyboard_focus == &surface->surface)
624 wl_input_device_set_keyboard_focus(device, NULL,
625 weston_compositor_get_time());
626 if (device->pointer_focus == &surface->surface)
627 wl_input_device_set_pointer_focus(device, NULL, 0, 0,
628 weston_compositor_get_time());
630 weston_compositor_schedule_repaint(surface->compositor);
634 destroy_surface(struct wl_resource *resource)
636 struct weston_surface *surface =
637 container_of(resource,
638 struct weston_surface, surface.resource);
639 struct weston_compositor *compositor = surface->compositor;
641 if (weston_surface_is_mapped(surface))
642 weston_surface_unmap(surface);
644 if (surface->texture)
645 glDeleteTextures(1, &surface->texture);
648 wl_list_remove(&surface->buffer_destroy_listener.link);
650 if (surface->image != EGL_NO_IMAGE_KHR)
651 compositor->destroy_image(compositor->display,
654 pixman_region32_fini(&surface->transform.boundingbox);
655 pixman_region32_fini(&surface->damage);
656 pixman_region32_fini(&surface->opaque);
657 pixman_region32_fini(&surface->clip);
658 if (!region_is_undefined(&surface->input))
659 pixman_region32_fini(&surface->input);
665 weston_surface_destroy(struct weston_surface *surface)
667 /* Not a valid way to destroy a client surface */
668 assert(surface->surface.resource.client == NULL);
670 destroy_surface(&surface->surface.resource);
674 weston_buffer_attach(struct wl_buffer *buffer, struct wl_surface *surface)
676 struct weston_surface *es = (struct weston_surface *) surface;
677 struct weston_compositor *ec = es->compositor;
680 weston_buffer_post_release(es->buffer);
681 wl_list_remove(&es->buffer_destroy_listener.link);
687 if (weston_surface_is_mapped(es))
688 weston_surface_unmap(es);
692 buffer->busy_count++;
693 wl_list_insert(es->buffer->resource.destroy_listener_list.prev,
694 &es->buffer_destroy_listener.link);
696 if (es->geometry.width != buffer->width ||
697 es->geometry.height != buffer->height) {
698 undef_region(&es->input);
699 pixman_region32_fini(&es->opaque);
700 pixman_region32_init(&es->opaque);
704 glGenTextures(1, &es->texture);
705 glBindTexture(GL_TEXTURE_2D, es->texture);
706 glTexParameteri(GL_TEXTURE_2D,
707 GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
708 glTexParameteri(GL_TEXTURE_2D,
709 GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
710 es->shader = &ec->texture_shader;
712 glBindTexture(GL_TEXTURE_2D, es->texture);
715 if (wl_buffer_is_shm(buffer)) {
716 es->pitch = wl_shm_buffer_get_stride(buffer) / 4;
718 if (es->image != EGL_NO_IMAGE_KHR)
719 ec->destroy_image(ec->display, es->image);
720 es->image = ec->create_image(ec->display, NULL,
721 EGL_WAYLAND_BUFFER_WL,
724 ec->image_target_texture_2d(GL_TEXTURE_2D, es->image);
726 es->pitch = buffer->width;
731 texture_region(struct weston_surface *es, pixman_region32_t *region)
733 struct weston_compositor *ec = es->compositor;
734 GLfloat *v, inv_width, inv_height;
736 pixman_box32_t *rectangles;
740 rectangles = pixman_region32_rectangles(region, &n);
741 v = wl_array_add(&ec->vertices, n * 16 * sizeof *v);
742 p = wl_array_add(&ec->indices, n * 6 * sizeof *p);
743 inv_width = 1.0 / es->pitch;
744 inv_height = 1.0 / es->geometry.height;
746 for (i = 0; i < n; i++, v += 16, p += 6) {
747 surface_from_global_float(es, rectangles[i].x1,
748 rectangles[i].y1, &sx, &sy);
749 v[ 0] = rectangles[i].x1;
750 v[ 1] = rectangles[i].y1;
751 v[ 2] = sx * inv_width;
752 v[ 3] = sy * inv_height;
754 surface_from_global_float(es, rectangles[i].x1,
755 rectangles[i].y2, &sx, &sy);
756 v[ 4] = rectangles[i].x1;
757 v[ 5] = rectangles[i].y2;
758 v[ 6] = sx * inv_width;
759 v[ 7] = sy * inv_height;
761 surface_from_global_float(es, rectangles[i].x2,
762 rectangles[i].y1, &sx, &sy);
763 v[ 8] = rectangles[i].x2;
764 v[ 9] = rectangles[i].y1;
765 v[10] = sx * inv_width;
766 v[11] = sy * inv_height;
768 surface_from_global_float(es, rectangles[i].x2,
769 rectangles[i].y2, &sx, &sy);
770 v[12] = rectangles[i].x2;
771 v[13] = rectangles[i].y2;
772 v[14] = sx * inv_width;
773 v[15] = sy * inv_height;
787 weston_surface_draw(struct weston_surface *es, struct weston_output *output,
788 pixman_region32_t *damage)
790 struct weston_compositor *ec = es->compositor;
792 pixman_region32_t repaint;
796 pixman_region32_init(&repaint);
797 pixman_region32_intersect(&repaint,
798 &es->transform.boundingbox, damage);
799 pixman_region32_subtract(&repaint, &repaint, &es->clip);
801 if (!pixman_region32_not_empty(&repaint))
804 glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
807 if (ec->current_shader != es->shader) {
808 glUseProgram(es->shader->program);
809 ec->current_shader = es->shader;
812 glUniformMatrix4fv(es->shader->proj_uniform,
813 1, GL_FALSE, output->matrix.d);
814 glUniform1i(es->shader->tex_uniform, 0);
815 glUniform4fv(es->shader->color_uniform, 1, es->color);
816 glUniform1f(es->shader->alpha_uniform, es->alpha / 255.0);
817 glUniform1f(es->shader->texwidth_uniform,
818 (GLfloat)es->geometry.width / es->pitch);
820 if (es->transform.enabled || output->zoom.active)
825 n = texture_region(es, &repaint);
827 glBindTexture(GL_TEXTURE_2D, es->texture);
828 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, filter);
829 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, filter);
831 v = ec->vertices.data;
832 glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 4 * sizeof *v, &v[0]);
833 glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, 4 * sizeof *v, &v[2]);
834 glEnableVertexAttribArray(0);
835 glEnableVertexAttribArray(1);
837 glDrawElements(GL_TRIANGLES, n * 6, GL_UNSIGNED_INT, ec->indices.data);
839 glDisableVertexAttribArray(1);
840 glDisableVertexAttribArray(0);
842 ec->vertices.size = 0;
843 ec->indices.size = 0;
846 pixman_region32_fini(&repaint);
850 weston_surface_restack(struct weston_surface *surface, struct wl_list *below)
852 wl_list_remove(&surface->layer_link);
853 wl_list_insert(below, &surface->layer_link);
854 weston_surface_damage_below(surface);
855 weston_surface_damage(surface);
859 weston_compositor_damage_all(struct weston_compositor *compositor)
861 struct weston_output *output;
863 wl_list_for_each(output, &compositor->output_list, link)
864 weston_output_damage(output);
868 weston_buffer_post_release(struct wl_buffer *buffer)
870 if (--buffer->busy_count > 0)
873 assert(buffer->resource.client != NULL);
874 wl_resource_queue_event(&buffer->resource, WL_BUFFER_RELEASE);
878 weston_output_damage(struct weston_output *output)
880 struct weston_compositor *compositor = output->compositor;
882 pixman_region32_union(&compositor->damage,
883 &compositor->damage, &output->region);
884 weston_compositor_schedule_repaint(compositor);
888 fade_frame(struct weston_animation *animation,
889 struct weston_output *output, uint32_t msecs)
891 struct weston_compositor *compositor =
892 container_of(animation,
893 struct weston_compositor, fade.animation);
894 struct weston_surface *surface;
896 surface = compositor->fade.surface;
897 weston_spring_update(&compositor->fade.spring, msecs);
898 weston_surface_set_color(surface, 0.0, 0.0, 0.0,
899 compositor->fade.spring.current);
900 weston_surface_damage(surface);
902 if (weston_spring_done(&compositor->fade.spring)) {
903 compositor->fade.spring.current =
904 compositor->fade.spring.target;
905 wl_list_remove(&animation->link);
906 wl_list_init(&animation->link);
908 if (compositor->fade.spring.current < 0.001) {
909 destroy_surface(&surface->surface.resource);
910 compositor->fade.surface = NULL;
911 } else if (compositor->fade.spring.current > 0.999) {
912 compositor->state = WESTON_COMPOSITOR_SLEEPING;
913 compositor->shell->lock(compositor->shell);
918 struct weston_frame_callback {
919 struct wl_resource resource;
924 weston_output_repaint(struct weston_output *output, int msecs)
926 struct weston_compositor *ec = output->compositor;
927 struct weston_surface *es;
928 struct weston_layer *layer;
929 struct weston_animation *animation, *next;
930 struct weston_frame_callback *cb, *cnext;
931 pixman_region32_t opaque, new_damage, output_damage;
932 int32_t width, height;
934 weston_compositor_update_drag_surfaces(ec);
936 width = output->current->width +
937 output->border.left + output->border.right;
938 height = output->current->height +
939 output->border.top + output->border.bottom;
940 glViewport(0, 0, width, height);
942 /* Rebuild the surface list and update surface transforms up front. */
943 wl_list_init(&ec->surface_list);
944 wl_list_for_each(layer, &ec->layer_list, link) {
945 wl_list_for_each(es, &layer->surface_list, layer_link) {
946 weston_surface_update_transform(es);
947 wl_list_insert(ec->surface_list.prev, &es->link);
951 if (output->assign_planes)
953 * This will queue flips for the fbs and sprites where
954 * applicable and clear the damage for those surfaces.
955 * The repaint loop below will repaint everything
958 output->assign_planes(output);
960 pixman_region32_init(&new_damage);
961 pixman_region32_init(&opaque);
963 wl_list_for_each(es, &ec->surface_list, link) {
964 pixman_region32_subtract(&es->damage, &es->damage, &opaque);
965 pixman_region32_union(&new_damage, &new_damage, &es->damage);
966 empty_region(&es->damage);
967 pixman_region32_copy(&es->clip, &opaque);
968 pixman_region32_union(&opaque, &opaque, &es->transform.opaque);
971 pixman_region32_union(&ec->damage, &ec->damage, &new_damage);
973 pixman_region32_init(&output_damage);
974 pixman_region32_union(&output_damage,
975 &ec->damage, &output->previous_damage);
976 pixman_region32_copy(&output->previous_damage, &ec->damage);
977 pixman_region32_intersect(&output_damage,
978 &output_damage, &output->region);
979 pixman_region32_subtract(&ec->damage, &ec->damage, &output->region);
981 pixman_region32_fini(&opaque);
982 pixman_region32_fini(&new_damage);
985 weston_output_update_matrix(output);
987 output->repaint(output, &output_damage);
989 pixman_region32_fini(&output_damage);
991 output->repaint_needed = 0;
993 weston_compositor_repick(ec);
994 wl_event_loop_dispatch(ec->input_loop, 0);
996 wl_list_for_each_safe(cb, cnext, &output->frame_callback_list, link) {
997 wl_callback_send_done(&cb->resource, msecs);
998 wl_resource_destroy(&cb->resource, 0);
1001 wl_list_for_each_safe(animation, next, &ec->animation_list, link)
1002 animation->frame(animation, output, msecs);
1006 weston_compositor_read_input(int fd, uint32_t mask, void *data)
1008 struct weston_compositor *compositor = data;
1010 wl_event_loop_dispatch(compositor->input_loop, 0);
1016 weston_output_finish_frame(struct weston_output *output, int msecs)
1018 struct weston_compositor *compositor = output->compositor;
1019 struct wl_event_loop *loop =
1020 wl_display_get_event_loop(compositor->wl_display);
1023 if (output->repaint_needed) {
1024 weston_output_repaint(output, msecs);
1028 output->repaint_scheduled = 0;
1029 if (compositor->input_loop_source)
1032 fd = wl_event_loop_get_fd(compositor->input_loop);
1033 compositor->input_loop_source =
1034 wl_event_loop_add_fd(loop, fd, WL_EVENT_READABLE,
1035 weston_compositor_read_input, compositor);
1039 idle_repaint(void *data)
1041 struct weston_output *output = data;
1043 weston_output_finish_frame(output, weston_compositor_get_time());
1047 weston_layer_init(struct weston_layer *layer, struct wl_list *below)
1049 wl_list_init(&layer->surface_list);
1050 wl_list_insert(below, &layer->link);
1054 weston_compositor_schedule_repaint(struct weston_compositor *compositor)
1056 struct weston_output *output;
1057 struct wl_event_loop *loop;
1059 if (compositor->state == WESTON_COMPOSITOR_SLEEPING)
1062 loop = wl_display_get_event_loop(compositor->wl_display);
1063 wl_list_for_each(output, &compositor->output_list, link) {
1064 output->repaint_needed = 1;
1065 if (output->repaint_scheduled)
1068 wl_event_loop_add_idle(loop, idle_repaint, output);
1069 output->repaint_scheduled = 1;
1072 if (compositor->input_loop_source) {
1073 wl_event_source_remove(compositor->input_loop_source);
1074 compositor->input_loop_source = NULL;
1079 weston_compositor_fade(struct weston_compositor *compositor, float tint)
1081 struct weston_surface *surface;
1084 done = weston_spring_done(&compositor->fade.spring);
1085 compositor->fade.spring.target = tint;
1086 if (weston_spring_done(&compositor->fade.spring))
1090 compositor->fade.spring.timestamp =
1091 weston_compositor_get_time();
1093 if (compositor->fade.surface == NULL) {
1094 surface = weston_surface_create(compositor);
1095 weston_surface_configure(surface, 0, 0, 8192, 8192);
1096 weston_surface_set_color(surface, 0.0, 0.0, 0.0, 0.0);
1097 wl_list_insert(&compositor->fade_layer.surface_list,
1098 &surface->layer_link);
1099 weston_surface_assign_output(surface);
1100 compositor->fade.surface = surface;
1101 pixman_region32_init(&surface->input);
1104 weston_surface_damage(compositor->fade.surface);
1105 if (wl_list_empty(&compositor->fade.animation.link))
1106 wl_list_insert(compositor->animation_list.prev,
1107 &compositor->fade.animation.link);
1111 surface_destroy(struct wl_client *client, struct wl_resource *resource)
1113 wl_resource_destroy(resource, weston_compositor_get_time());
1117 weston_surface_assign_output(struct weston_surface *es)
1119 struct weston_compositor *ec = es->compositor;
1120 struct weston_output *output, *new_output;
1121 pixman_region32_t region;
1125 weston_surface_update_transform(es);
1129 pixman_region32_init(®ion);
1130 wl_list_for_each(output, &ec->output_list, link) {
1131 pixman_region32_intersect(®ion, &es->transform.boundingbox,
1134 e = pixman_region32_extents(®ion);
1135 area = (e->x2 - e->x1) * (e->y2 - e->y1);
1138 new_output = output;
1142 pixman_region32_fini(®ion);
1144 es->output = new_output;
1145 if (!wl_list_empty(&es->frame_callback_list)) {
1146 wl_list_insert_list(new_output->frame_callback_list.prev,
1147 &es->frame_callback_list);
1148 wl_list_init(&es->frame_callback_list);
1153 surface_attach(struct wl_client *client,
1154 struct wl_resource *resource,
1155 struct wl_resource *buffer_resource, int32_t sx, int32_t sy)
1157 struct weston_surface *es = resource->data;
1158 struct wl_buffer *buffer = NULL;
1160 if (buffer_resource)
1161 buffer = buffer_resource->data;
1163 weston_buffer_attach(buffer, &es->surface);
1165 if (buffer && es->configure)
1166 es->configure(es, sx, sy);
1170 surface_damage(struct wl_client *client,
1171 struct wl_resource *resource,
1172 int32_t x, int32_t y, int32_t width, int32_t height)
1174 struct weston_surface *es = resource->data;
1176 weston_surface_damage_rectangle(es, x, y, width, height);
1178 if (es->buffer && wl_buffer_is_shm(es->buffer)) {
1179 glBindTexture(GL_TEXTURE_2D, es->texture);
1180 glTexImage2D(GL_TEXTURE_2D, 0, GL_BGRA_EXT,
1181 es->pitch, es->buffer->height, 0,
1182 GL_BGRA_EXT, GL_UNSIGNED_BYTE,
1183 wl_shm_buffer_get_data(es->buffer));
1185 /* Hmm, should use glTexSubImage2D() here but GLES2 doesn't
1186 * support any unpack attributes except GL_UNPACK_ALIGNMENT. */
1191 destroy_frame_callback(struct wl_resource *resource)
1193 struct weston_frame_callback *cb = resource->data;
1195 wl_list_remove(&cb->link);
1200 surface_frame(struct wl_client *client,
1201 struct wl_resource *resource, uint32_t callback)
1203 struct weston_frame_callback *cb;
1204 struct weston_surface *es = resource->data;
1206 cb = malloc(sizeof *cb);
1208 wl_resource_post_no_memory(resource);
1212 cb->resource.object.interface = &wl_callback_interface;
1213 cb->resource.object.id = callback;
1214 cb->resource.destroy = destroy_frame_callback;
1215 cb->resource.client = client;
1216 cb->resource.data = cb;
1218 wl_client_add_resource(client, &cb->resource);
1221 wl_list_insert(es->output->frame_callback_list.prev,
1224 wl_list_insert(es->frame_callback_list.prev, &cb->link);
1229 surface_set_opaque_region(struct wl_client *client,
1230 struct wl_resource *resource,
1231 struct wl_resource *region_resource)
1233 struct weston_surface *surface = resource->data;
1234 struct weston_region *region;
1236 pixman_region32_fini(&surface->opaque);
1238 if (region_resource) {
1239 region = region_resource->data;
1240 pixman_region32_init_rect(&surface->opaque, 0, 0,
1241 surface->geometry.width,
1242 surface->geometry.height);
1243 pixman_region32_intersect(&surface->opaque,
1244 &surface->opaque, ®ion->region);
1246 pixman_region32_init(&surface->opaque);
1249 surface->geometry.dirty = 1;
1253 surface_set_input_region(struct wl_client *client,
1254 struct wl_resource *resource,
1255 struct wl_resource *region_resource)
1257 struct weston_surface *surface = resource->data;
1258 struct weston_region *region;
1260 if (region_resource) {
1261 region = region_resource->data;
1262 pixman_region32_init_rect(&surface->input, 0, 0,
1263 surface->geometry.width,
1264 surface->geometry.height);
1265 pixman_region32_intersect(&surface->input,
1266 &surface->input, ®ion->region);
1268 pixman_region32_init_rect(&surface->input, 0, 0,
1269 surface->geometry.width,
1270 surface->geometry.height);
1273 weston_compositor_schedule_repaint(surface->compositor);
1276 const static struct wl_surface_interface surface_interface = {
1281 surface_set_opaque_region,
1282 surface_set_input_region
1286 compositor_create_surface(struct wl_client *client,
1287 struct wl_resource *resource, uint32_t id)
1289 struct weston_compositor *ec = resource->data;
1290 struct weston_surface *surface;
1292 surface = weston_surface_create(ec);
1293 if (surface == NULL) {
1294 wl_resource_post_no_memory(resource);
1298 surface->surface.resource.destroy = destroy_surface;
1300 surface->surface.resource.object.id = id;
1301 surface->surface.resource.object.interface = &wl_surface_interface;
1302 surface->surface.resource.object.implementation =
1303 (void (**)(void)) &surface_interface;
1304 surface->surface.resource.data = surface;
1306 wl_client_add_resource(client, &surface->surface.resource);
1310 destroy_region(struct wl_resource *resource)
1312 struct weston_region *region =
1313 container_of(resource, struct weston_region, resource);
1315 pixman_region32_fini(®ion->region);
1320 region_destroy(struct wl_client *client, struct wl_resource *resource)
1322 wl_resource_destroy(resource, weston_compositor_get_time());
1326 region_add(struct wl_client *client, struct wl_resource *resource,
1327 int32_t x, int32_t y, int32_t width, int32_t height)
1329 struct weston_region *region = resource->data;
1331 pixman_region32_union_rect(®ion->region, ®ion->region,
1332 x, y, width, height);
1336 region_subtract(struct wl_client *client, struct wl_resource *resource,
1337 int32_t x, int32_t y, int32_t width, int32_t height)
1339 struct weston_region *region = resource->data;
1340 pixman_region32_t rect;
1342 pixman_region32_init_rect(&rect, x, y, width, height);
1343 pixman_region32_subtract(®ion->region, ®ion->region, &rect);
1344 pixman_region32_fini(&rect);
1347 static const struct wl_region_interface region_interface = {
1354 compositor_create_region(struct wl_client *client,
1355 struct wl_resource *resource, uint32_t id)
1357 struct weston_region *region;
1359 region = malloc(sizeof *region);
1360 if (region == NULL) {
1361 wl_resource_post_no_memory(resource);
1365 region->resource.destroy = destroy_region;
1367 region->resource.object.id = id;
1368 region->resource.object.interface = &wl_region_interface;
1369 region->resource.object.implementation =
1370 (void (**)(void)) ®ion_interface;
1371 region->resource.data = region;
1373 pixman_region32_init(®ion->region);
1375 wl_client_add_resource(client, ®ion->resource);
1378 const static struct wl_compositor_interface compositor_interface = {
1379 compositor_create_surface,
1380 compositor_create_region
1384 weston_compositor_wake(struct weston_compositor *compositor)
1386 compositor->state = WESTON_COMPOSITOR_ACTIVE;
1387 weston_compositor_fade(compositor, 0.0);
1389 wl_event_source_timer_update(compositor->idle_source,
1390 compositor->idle_time * 1000);
1394 weston_compositor_dpms_on(struct weston_compositor *compositor)
1396 struct weston_output *output;
1398 wl_list_for_each(output, &compositor->output_list, link)
1399 if (output->set_dpms)
1400 output->set_dpms(output, WESTON_DPMS_ON);
1404 weston_compositor_activity(struct weston_compositor *compositor)
1406 if (compositor->state == WESTON_COMPOSITOR_ACTIVE) {
1407 weston_compositor_wake(compositor);
1409 weston_compositor_dpms_on(compositor);
1410 compositor->shell->unlock(compositor->shell);
1415 weston_compositor_idle_inhibit(struct weston_compositor *compositor)
1417 weston_compositor_activity(compositor);
1418 compositor->idle_inhibit++;
1422 weston_compositor_idle_release(struct weston_compositor *compositor)
1424 compositor->idle_inhibit--;
1425 weston_compositor_activity(compositor);
1429 idle_handler(void *data)
1431 struct weston_compositor *compositor = data;
1433 if (compositor->idle_inhibit)
1436 weston_compositor_fade(compositor, 1.0);
1442 weston_input_update_drag_surface(struct wl_input_device *input_device,
1446 notify_motion(struct wl_input_device *device, uint32_t time, int x, int y)
1448 struct weston_output *output;
1449 const struct wl_pointer_grab_interface *interface;
1450 struct weston_input_device *wd = (struct weston_input_device *) device;
1451 struct weston_compositor *ec = wd->compositor;
1452 int x_valid = 0, y_valid = 0;
1453 int min_x = INT_MAX, min_y = INT_MAX, max_x = INT_MIN, max_y = INT_MIN;
1455 weston_compositor_activity(ec);
1457 wl_list_for_each(output, &ec->output_list, link) {
1458 if (output->x <= x && x < output->x + output->current->width)
1461 if (output->y <= y && y < output->y + output->current->height)
1464 /* FIXME: calculate this only on output addition/deletion */
1465 if (output->x < min_x)
1467 if (output->y < min_y)
1470 if (output->x + output->current->width > max_x)
1471 max_x = output->x + output->current->width - 1;
1472 if (output->y + output->current->height > max_y)
1473 max_y = output->y + output->current->height - 1;
1479 else if (x >= max_x)
1485 else if (y >= max_y)
1489 weston_input_update_drag_surface(device,
1490 x - device->x, y - device->y);
1495 wl_list_for_each(output, &ec->output_list, link)
1496 if (output->zoom.active &&
1497 pixman_region32_contains_point(&output->region, x, y, NULL))
1498 weston_output_update_zoom(output, x, y);
1500 weston_device_repick(device, time);
1501 interface = device->pointer_grab->interface;
1502 interface->motion(device->pointer_grab, time,
1503 device->pointer_grab->x, device->pointer_grab->y);
1506 weston_surface_set_position(wd->sprite,
1507 device->x - wd->hotspot_x,
1508 device->y - wd->hotspot_y);
1510 weston_compositor_schedule_repaint(ec);
1515 weston_surface_activate(struct weston_surface *surface,
1516 struct weston_input_device *device, uint32_t time)
1518 wl_input_device_set_keyboard_focus(&device->input_device,
1519 &surface->surface, time);
1520 wl_data_device_set_keyboard_focus(&device->input_device);
1524 notify_button(struct wl_input_device *device,
1525 uint32_t time, int32_t button, int32_t state)
1527 struct weston_input_device *wd = (struct weston_input_device *) device;
1528 struct weston_compositor *compositor = wd->compositor;
1531 weston_compositor_idle_inhibit(compositor);
1532 if (device->button_count == 0) {
1533 device->grab_button = button;
1534 device->grab_time = time;
1535 device->grab_x = device->x;
1536 device->grab_y = device->y;
1538 device->button_count++;
1540 weston_compositor_idle_release(compositor);
1541 device->button_count--;
1544 weston_compositor_run_binding(compositor, wd, time, 0, button, 0, state);
1546 device->pointer_grab->interface->button(device->pointer_grab, time, button, state);
1551 notify_axis(struct wl_input_device *device,
1552 uint32_t time, uint32_t axis, int32_t value)
1554 struct weston_input_device *wd = (struct weston_input_device *) device;
1555 struct weston_compositor *compositor = wd->compositor;
1557 weston_compositor_activity(compositor);
1560 weston_compositor_run_binding(compositor, wd,
1561 time, 0, 0, axis, value);
1565 if (device->pointer_focus_resource)
1566 wl_resource_post_event(device->pointer_focus_resource,
1567 WL_INPUT_DEVICE_AXIS, time, axis, value);
1571 update_modifier_state(struct weston_input_device *device,
1572 uint32_t key, uint32_t state)
1579 modifier = MODIFIER_CTRL;
1584 modifier = MODIFIER_ALT;
1589 modifier = MODIFIER_SUPER;
1598 device->modifier_state |= modifier;
1600 device->modifier_state &= ~modifier;
1604 notify_key(struct wl_input_device *device,
1605 uint32_t time, uint32_t key, uint32_t state)
1607 struct weston_input_device *wd = (struct weston_input_device *) device;
1608 struct weston_compositor *compositor = wd->compositor;
1612 weston_compositor_idle_inhibit(compositor);
1613 device->grab_key = key;
1614 device->grab_time = time;
1616 weston_compositor_idle_release(compositor);
1619 update_modifier_state(wd, key, state);
1620 end = device->keys.data + device->keys.size;
1621 for (k = device->keys.data; k < end; k++) {
1625 device->keys.size = (void *) end - device->keys.data;
1627 k = wl_array_add(&device->keys, sizeof *k);
1631 if (device->keyboard_grab == &device->default_keyboard_grab)
1632 weston_compositor_run_binding(compositor, wd,
1633 time, key, 0, 0, state);
1635 device->keyboard_grab->interface->key(device->keyboard_grab,
1640 notify_pointer_focus(struct wl_input_device *device,
1641 uint32_t time, struct weston_output *output,
1642 int32_t x, int32_t y)
1644 struct weston_input_device *wd = (struct weston_input_device *) device;
1645 struct weston_compositor *compositor = wd->compositor;
1648 weston_input_update_drag_surface(device, x - device->x,
1653 compositor->focus = 1;
1654 weston_compositor_repick(compositor);
1656 compositor->focus = 0;
1657 weston_compositor_repick(compositor);
1662 destroy_device_saved_kbd_focus(struct wl_listener *listener,
1663 struct wl_resource *resource, uint32_t time)
1665 struct weston_input_device *wd;
1667 wd = container_of(listener, struct weston_input_device,
1668 saved_kbd_focus_listener);
1670 wd->saved_kbd_focus = NULL;
1674 notify_keyboard_focus(struct wl_input_device *device,
1675 uint32_t time, struct weston_output *output,
1676 struct wl_array *keys)
1678 struct weston_input_device *wd =
1679 (struct weston_input_device *) device;
1680 struct weston_compositor *compositor = wd->compositor;
1681 struct wl_surface *surface;
1685 wl_array_copy(&wd->input_device.keys, keys);
1686 wd->modifier_state = 0;
1687 wl_array_for_each(k, &device->keys) {
1688 weston_compositor_idle_inhibit(compositor);
1689 update_modifier_state(wd, *k, 1);
1692 surface = wd->saved_kbd_focus;
1695 wl_list_remove(&wd->saved_kbd_focus_listener.link);
1696 wl_input_device_set_keyboard_focus(&wd->input_device,
1698 wd->saved_kbd_focus = NULL;
1701 wl_array_for_each(k, &device->keys)
1702 weston_compositor_idle_release(compositor);
1704 wd->modifier_state = 0;
1706 surface = wd->input_device.keyboard_focus;
1709 wd->saved_kbd_focus = surface;
1710 wd->saved_kbd_focus_listener.func =
1711 destroy_device_saved_kbd_focus;
1712 wl_list_insert(surface->resource.destroy_listener_list.prev,
1713 &wd->saved_kbd_focus_listener.link);
1716 wl_input_device_set_keyboard_focus(&wd->input_device,
1721 /* TODO: share this function with wayland-server.c */
1722 static struct wl_resource *
1723 find_resource_for_surface(struct wl_list *list, struct wl_surface *surface)
1725 struct wl_resource *r;
1730 wl_list_for_each(r, list, link) {
1731 if (r->client == surface->resource.client)
1739 lose_touch_focus_resource(struct wl_listener *listener,
1740 struct wl_resource *resource, uint32_t time)
1742 struct weston_input_device *device =
1743 container_of(listener, struct weston_input_device,
1744 touch_focus_resource_listener);
1746 device->touch_focus_resource = NULL;
1750 lose_touch_focus(struct wl_listener *listener,
1751 struct wl_resource *resource, uint32_t time)
1753 struct weston_input_device *device =
1754 container_of(listener, struct weston_input_device,
1755 touch_focus_listener);
1757 device->touch_focus = NULL;
1761 touch_set_focus(struct weston_input_device *device,
1762 struct wl_surface *surface, uint32_t time)
1764 struct wl_input_device *input_device = &device->input_device;
1765 struct wl_resource *resource;
1767 if (device->touch_focus == surface)
1772 find_resource_for_surface(&input_device->resource_list,
1775 fprintf(stderr, "couldn't find resource\n");
1779 device->touch_focus_resource_listener.func =
1780 lose_touch_focus_resource;
1781 wl_list_insert(resource->destroy_listener_list.prev,
1782 &device->touch_focus_resource_listener.link);
1783 device->touch_focus_listener.func = lose_touch_focus;
1784 wl_list_insert(surface->resource.destroy_listener_list.prev,
1785 &device->touch_focus_listener.link);
1787 device->touch_focus = surface;
1788 device->touch_focus_resource = resource;
1790 if (device->touch_focus)
1791 wl_list_remove(&device->touch_focus_listener.link);
1792 if (device->touch_focus_resource)
1793 wl_list_remove(&device->touch_focus_resource_listener.link);
1794 device->touch_focus = NULL;
1795 device->touch_focus_resource = NULL;
1800 * notify_touch - emulates button touches and notifies surfaces accordingly.
1802 * It assumes always the correct cycle sequence until it gets here: touch_down
1803 * → touch_update → ... → touch_update → touch_end. The driver is responsible
1804 * for sending along such order.
1808 notify_touch(struct wl_input_device *device, uint32_t time, int touch_id,
1809 int x, int y, int touch_type)
1811 struct weston_input_device *wd = (struct weston_input_device *) device;
1812 struct weston_compositor *ec = wd->compositor;
1813 struct weston_surface *es;
1816 switch (touch_type) {
1817 case WL_INPUT_DEVICE_TOUCH_DOWN:
1818 weston_compositor_idle_inhibit(ec);
1822 /* the first finger down picks the surface, and all further go
1823 * to that surface for the remainder of the touch session i.e.
1824 * until all touch points are up again. */
1825 if (wd->num_tp == 1) {
1826 es = weston_compositor_pick_surface(ec, x, y, &sx, &sy);
1827 touch_set_focus(wd, &es->surface, time);
1828 } else if (wd->touch_focus) {
1829 es = (struct weston_surface *) wd->touch_focus;
1830 weston_surface_from_global(es, x, y, &sx, &sy);
1833 if (wd->touch_focus_resource && wd->touch_focus)
1834 wl_input_device_send_touch_down(wd->touch_focus_resource,
1835 time, &wd->touch_focus->resource,
1838 case WL_INPUT_DEVICE_TOUCH_MOTION:
1839 es = (struct weston_surface *) wd->touch_focus;
1843 weston_surface_from_global(es, x, y, &sx, &sy);
1844 if (wd->touch_focus_resource)
1845 wl_input_device_send_touch_motion(wd->touch_focus_resource,
1846 time, touch_id, sx, sy);
1848 case WL_INPUT_DEVICE_TOUCH_UP:
1849 weston_compositor_idle_release(ec);
1852 if (wd->touch_focus_resource)
1853 wl_input_device_send_touch_up(wd->touch_focus_resource,
1855 if (wd->num_tp == 0)
1856 touch_set_focus(wd, NULL, time);
1862 input_device_attach(struct wl_client *client,
1863 struct wl_resource *resource,
1865 struct wl_resource *buffer_resource, int32_t x, int32_t y)
1867 struct weston_input_device *device = resource->data;
1868 struct weston_compositor *compositor = device->compositor;
1869 struct wl_buffer *buffer = NULL;
1871 if (time < device->input_device.pointer_focus_time)
1873 if (device->input_device.pointer_focus == NULL)
1875 if (device->input_device.pointer_focus->resource.client != client)
1878 if (buffer_resource)
1879 buffer = buffer_resource->data;
1881 weston_buffer_attach(buffer, &device->sprite->surface);
1886 if (!weston_surface_is_mapped(device->sprite)) {
1887 wl_list_insert(&compositor->cursor_layer.surface_list,
1888 &device->sprite->layer_link);
1889 weston_surface_assign_output(device->sprite);
1893 device->hotspot_x = x;
1894 device->hotspot_y = y;
1895 weston_surface_configure(device->sprite,
1896 device->input_device.x - device->hotspot_x,
1897 device->input_device.y - device->hotspot_y,
1898 buffer->width, buffer->height);
1900 surface_damage(NULL, &device->sprite->surface.resource,
1901 0, 0, buffer->width, buffer->height);
1904 const static struct wl_input_device_interface input_device_interface = {
1905 input_device_attach,
1909 handle_drag_surface_destroy(struct wl_listener *listener,
1910 struct wl_resource *resource, uint32_t time)
1912 struct weston_input_device *device;
1914 device = container_of(listener, struct weston_input_device,
1915 drag_surface_destroy_listener);
1917 device->drag_surface = NULL;
1920 static void unbind_input_device(struct wl_resource *resource)
1922 wl_list_remove(&resource->link);
1927 bind_input_device(struct wl_client *client,
1928 void *data, uint32_t version, uint32_t id)
1930 struct wl_input_device *device = data;
1931 struct wl_resource *resource;
1933 resource = wl_client_add_object(client, &wl_input_device_interface,
1934 &input_device_interface, id, data);
1935 wl_list_insert(&device->resource_list, &resource->link);
1936 resource->destroy = unbind_input_device;
1940 device_handle_new_drag_icon(struct wl_listener *listener,
1941 struct wl_resource *resource, uint32_t time)
1943 struct weston_input_device *device;
1945 device = container_of(listener, struct weston_input_device,
1946 new_drag_icon_listener);
1948 weston_input_update_drag_surface(&device->input_device, 0, 0);
1952 weston_input_device_init(struct weston_input_device *device,
1953 struct weston_compositor *ec)
1955 wl_input_device_init(&device->input_device);
1957 wl_display_add_global(ec->wl_display, &wl_input_device_interface,
1958 device, bind_input_device);
1960 device->sprite = weston_surface_create(ec);
1961 device->sprite->surface.resource.data = device->sprite;
1963 device->compositor = ec;
1964 device->hotspot_x = 16;
1965 device->hotspot_y = 16;
1966 device->modifier_state = 0;
1969 device->drag_surface_destroy_listener.func = handle_drag_surface_destroy;
1971 wl_list_insert(ec->input_device_list.prev, &device->link);
1973 device->new_drag_icon_listener.func = device_handle_new_drag_icon;
1974 wl_list_insert(device->input_device.drag_icon_listener_list.prev,
1975 &device->new_drag_icon_listener.link);
1979 weston_input_device_release(struct weston_input_device *device)
1981 wl_list_remove(&device->link);
1982 /* The global object is destroyed at wl_display_destroy() time. */
1985 destroy_surface(&device->sprite->surface.resource);
1987 wl_input_device_release(&device->input_device);
1991 drag_surface_configure(struct weston_surface *es, int32_t sx, int32_t sy)
1993 weston_surface_configure(es,
1994 es->geometry.x + sx, es->geometry.y + sy,
1995 es->buffer->width, es->buffer->height);
1999 device_setup_new_drag_surface(struct weston_input_device *device,
2000 struct weston_surface *surface)
2002 struct wl_input_device *input_device = &device->input_device;
2004 if (surface->configure) {
2005 wl_resource_post_error(&surface->surface.resource,
2006 WL_DISPLAY_ERROR_INVALID_OBJECT,
2007 "surface->configure already set");
2011 device->drag_surface = surface;
2013 weston_surface_set_position(device->drag_surface,
2014 input_device->x, input_device->y);
2016 surface->configure = drag_surface_configure;
2018 wl_list_insert(surface->surface.resource.destroy_listener_list.prev,
2019 &device->drag_surface_destroy_listener.link);
2025 device_release_drag_surface(struct weston_input_device *device)
2027 device->drag_surface->configure = NULL;
2028 undef_region(&device->drag_surface->input);
2029 wl_list_remove(&device->drag_surface_destroy_listener.link);
2030 device->drag_surface = NULL;
2034 device_map_drag_surface(struct weston_input_device *device)
2036 if (weston_surface_is_mapped(device->drag_surface) ||
2037 !device->drag_surface->buffer)
2040 wl_list_insert(&device->sprite->layer_link,
2041 &device->drag_surface->layer_link);
2042 weston_surface_assign_output(device->drag_surface);
2043 empty_region(&device->drag_surface->input);
2047 weston_input_update_drag_surface(struct wl_input_device *input_device,
2050 int surface_changed = 0;
2051 struct weston_input_device *device = (struct weston_input_device *)
2054 if (!device->drag_surface && !input_device->drag_surface)
2057 if (device->drag_surface && input_device->drag_surface &&
2058 (&device->drag_surface->surface.resource !=
2059 &input_device->drag_surface->resource))
2060 /* between calls to this funcion we got a new drag_surface */
2061 surface_changed = 1;
2063 if (!input_device->drag_surface || surface_changed) {
2064 device_release_drag_surface(device);
2065 if (!surface_changed)
2069 if (!device->drag_surface || surface_changed) {
2070 struct weston_surface *surface = (struct weston_surface *)
2071 input_device->drag_surface;
2072 if (!device_setup_new_drag_surface(device, surface))
2076 /* the client may not have attached a buffer to the drag surface
2077 * when we setup it up, so check if map is needed on every update */
2078 device_map_drag_surface(device);
2080 /* the client may have attached a buffer with a different size to
2081 * the drag surface, causing the input region to be reset */
2082 if (region_is_undefined(&device->drag_surface->input))
2083 empty_region(&device->drag_surface->input);
2088 weston_surface_set_position(device->drag_surface,
2089 device->drag_surface->geometry.x + dx,
2090 device->drag_surface->geometry.y + dy);
2094 weston_compositor_update_drag_surfaces(struct weston_compositor *compositor)
2096 weston_input_update_drag_surface(compositor->input_device, 0, 0);
2100 bind_output(struct wl_client *client,
2101 void *data, uint32_t version, uint32_t id)
2103 struct weston_output *output = data;
2104 struct weston_mode *mode;
2105 struct wl_resource *resource;
2107 resource = wl_client_add_object(client,
2108 &wl_output_interface, NULL, id, data);
2110 wl_output_send_geometry(resource,
2116 output->make, output->model);
2118 wl_list_for_each (mode, &output->mode_list, link) {
2119 wl_output_send_mode(resource,
2127 static const char vertex_shader[] =
2128 "uniform mat4 proj;\n"
2129 "attribute vec2 position;\n"
2130 "attribute vec2 texcoord;\n"
2131 "varying vec2 v_texcoord;\n"
2134 " gl_Position = proj * vec4(position, 0.0, 1.0);\n"
2135 " v_texcoord = texcoord;\n"
2138 static const char texture_fragment_shader[] =
2139 "precision mediump float;\n"
2140 "varying vec2 v_texcoord;\n"
2141 "uniform sampler2D tex;\n"
2142 "uniform float alpha;\n"
2143 "uniform float texwidth;\n"
2146 " if (v_texcoord.x < 0.0 || v_texcoord.x > texwidth ||\n"
2147 " v_texcoord.y < 0.0 || v_texcoord.y > 1.0)\n"
2149 " gl_FragColor = texture2D(tex, v_texcoord)\n;"
2150 " gl_FragColor = alpha * gl_FragColor;\n"
2153 static const char solid_fragment_shader[] =
2154 "precision mediump float;\n"
2155 "uniform vec4 color;\n"
2158 " gl_FragColor = color\n;"
2162 compile_shader(GLenum type, const char *source)
2168 s = glCreateShader(type);
2169 glShaderSource(s, 1, &source, NULL);
2171 glGetShaderiv(s, GL_COMPILE_STATUS, &status);
2173 glGetShaderInfoLog(s, sizeof msg, NULL, msg);
2174 fprintf(stderr, "shader info: %s\n", msg);
2182 weston_shader_init(struct weston_shader *shader,
2183 const char *vertex_source, const char *fragment_source)
2188 shader->vertex_shader =
2189 compile_shader(GL_VERTEX_SHADER, vertex_source);
2190 shader->fragment_shader =
2191 compile_shader(GL_FRAGMENT_SHADER, fragment_source);
2193 shader->program = glCreateProgram();
2194 glAttachShader(shader->program, shader->vertex_shader);
2195 glAttachShader(shader->program, shader->fragment_shader);
2196 glBindAttribLocation(shader->program, 0, "position");
2197 glBindAttribLocation(shader->program, 1, "texcoord");
2199 glLinkProgram(shader->program);
2200 glGetProgramiv(shader->program, GL_LINK_STATUS, &status);
2202 glGetProgramInfoLog(shader->program, sizeof msg, NULL, msg);
2203 fprintf(stderr, "link info: %s\n", msg);
2207 shader->proj_uniform = glGetUniformLocation(shader->program, "proj");
2208 shader->tex_uniform = glGetUniformLocation(shader->program, "tex");
2209 shader->alpha_uniform = glGetUniformLocation(shader->program, "alpha");
2210 shader->color_uniform = glGetUniformLocation(shader->program, "color");
2211 shader->texwidth_uniform = glGetUniformLocation(shader->program,
2218 weston_output_destroy(struct weston_output *output)
2220 pixman_region32_fini(&output->region);
2221 pixman_region32_fini(&output->previous_damage);
2225 weston_output_update_zoom(struct weston_output *output, int x, int y)
2229 if (output->zoom.level <= 0)
2232 output->zoom.magnification = 1 / output->zoom.level;
2233 ratio = 1 - (1 / output->zoom.magnification);
2235 output->zoom.trans_x = (((float)(x - output->x) / output->current->width) * (ratio * 2)) - ratio;
2236 output->zoom.trans_y = (((float)(y - output->y) / output->current->height) * (ratio * 2)) - ratio;
2239 weston_output_damage(output);
2243 weston_output_update_matrix(struct weston_output *output)
2246 struct weston_matrix camera;
2247 struct weston_matrix modelview;
2249 weston_matrix_init(&output->matrix);
2250 weston_matrix_translate(&output->matrix,
2251 -(output->x + (output->border.right + output->current->width - output->border.left) / 2.0),
2252 -(output->y + (output->border.bottom + output->current->height - output->border.top) / 2.0), 0);
2254 flip = (output->flags & WL_OUTPUT_FLIPPED) ? -1 : 1;
2255 weston_matrix_scale(&output->matrix,
2256 2.0 / (output->current->width + output->border.left + output->border.right),
2257 flip * 2.0 / (output->current->height + output->border.top + output->border.bottom), 1);
2258 if (output->zoom.active) {
2259 weston_matrix_init(&camera);
2260 weston_matrix_init(&modelview);
2261 weston_matrix_translate(&camera, output->zoom.trans_x, flip * output->zoom.trans_y, 0);
2262 weston_matrix_invert(&modelview, &camera);
2263 weston_matrix_scale(&modelview, output->zoom.magnification, output->zoom.magnification, 1.0);
2264 weston_matrix_multiply(&output->matrix, &modelview);
2271 weston_output_move(struct weston_output *output, int x, int y)
2276 pixman_region32_init(&output->previous_damage);
2277 pixman_region32_init_rect(&output->region, x, y,
2278 output->current->width,
2279 output->current->height);
2283 weston_output_init(struct weston_output *output, struct weston_compositor *c,
2284 int x, int y, int width, int height, uint32_t flags)
2286 output->compositor = c;
2289 output->border.top = 0;
2290 output->border.bottom = 0;
2291 output->border.left = 0;
2292 output->border.right = 0;
2293 output->mm_width = width;
2294 output->mm_height = height;
2297 output->zoom.active = 0;
2298 output->zoom.increment = 0.05;
2299 output->zoom.level = 1.0;
2300 output->zoom.magnification = 1.0;
2301 output->zoom.trans_x = 0.0;
2302 output->zoom.trans_y = 0.0;
2304 output->flags = flags;
2305 weston_output_move(output, x, y);
2307 wl_list_init(&output->frame_callback_list);
2309 wl_display_add_global(c->wl_display,
2310 &wl_output_interface, output, bind_output);
2314 compositor_bind(struct wl_client *client,
2315 void *data, uint32_t version, uint32_t id)
2317 struct weston_compositor *compositor = data;
2319 wl_client_add_object(client, &wl_compositor_interface,
2320 &compositor_interface, id, compositor);
2324 weston_compositor_init(struct weston_compositor *ec, struct wl_display *display)
2326 struct wl_event_loop *loop;
2327 const char *extensions;
2329 ec->wl_display = display;
2331 if (!wl_display_add_global(display, &wl_compositor_interface,
2332 ec, compositor_bind))
2335 wl_display_init_shm(display);
2337 ec->image_target_texture_2d =
2338 (void *) eglGetProcAddress("glEGLImageTargetTexture2DOES");
2339 ec->image_target_renderbuffer_storage = (void *)
2340 eglGetProcAddress("glEGLImageTargetRenderbufferStorageOES");
2341 ec->create_image = (void *) eglGetProcAddress("eglCreateImageKHR");
2342 ec->destroy_image = (void *) eglGetProcAddress("eglDestroyImageKHR");
2344 (void *) eglGetProcAddress("eglBindWaylandDisplayWL");
2345 ec->unbind_display =
2346 (void *) eglGetProcAddress("eglUnbindWaylandDisplayWL");
2348 extensions = (const char *) glGetString(GL_EXTENSIONS);
2349 if (!strstr(extensions, "GL_EXT_texture_format_BGRA8888")) {
2351 "GL_EXT_texture_format_BGRA8888 not available\n");
2355 if (!strstr(extensions, "GL_EXT_read_format_bgra")) {
2356 fprintf(stderr, "GL_EXT_read_format_bgra not available\n");
2361 (const char *) eglQueryString(ec->display, EGL_EXTENSIONS);
2362 if (strstr(extensions, "EGL_WL_bind_wayland_display"))
2363 ec->has_bind_display = 1;
2364 if (ec->has_bind_display)
2365 ec->bind_display(ec->display, ec->wl_display);
2367 wl_list_init(&ec->surface_list);
2368 wl_list_init(&ec->layer_list);
2369 wl_list_init(&ec->input_device_list);
2370 wl_list_init(&ec->output_list);
2371 wl_list_init(&ec->binding_list);
2372 wl_list_init(&ec->animation_list);
2373 weston_spring_init(&ec->fade.spring, 30.0, 1.0, 1.0);
2374 ec->fade.animation.frame = fade_frame;
2375 wl_list_init(&ec->fade.animation.link);
2377 weston_layer_init(&ec->fade_layer, &ec->layer_list);
2378 weston_layer_init(&ec->cursor_layer, &ec->fade_layer.link);
2380 ec->screenshooter = screenshooter_create(ec);
2382 wl_data_device_manager_init(ec->wl_display);
2384 glActiveTexture(GL_TEXTURE0);
2386 if (weston_shader_init(&ec->texture_shader,
2387 vertex_shader, texture_fragment_shader) < 0)
2389 if (weston_shader_init(&ec->solid_shader,
2390 vertex_shader, solid_fragment_shader) < 0)
2393 loop = wl_display_get_event_loop(ec->wl_display);
2394 ec->idle_source = wl_event_loop_add_timer(loop, idle_handler, ec);
2395 wl_event_source_timer_update(ec->idle_source, ec->idle_time * 1000);
2397 ec->input_loop = wl_event_loop_create();
2399 weston_compositor_schedule_repaint(ec);
2405 weston_compositor_shutdown(struct weston_compositor *ec)
2407 struct weston_output *output, *next;
2409 wl_event_source_remove(ec->idle_source);
2411 if (ec->screenshooter)
2412 screenshooter_destroy(ec->screenshooter);
2414 /* Destroy all outputs associated with this compositor */
2415 wl_list_for_each_safe(output, next, &ec->output_list, link)
2416 output->destroy(output);
2418 weston_binding_list_destroy_all(&ec->binding_list);
2420 wl_array_release(&ec->vertices);
2421 wl_array_release(&ec->indices);
2424 static int on_term_signal(int signal_number, void *data)
2426 struct wl_display *display = data;
2428 fprintf(stderr, "caught signal %d\n", signal_number);
2429 wl_display_terminate(display);
2435 on_segv_signal(int s, siginfo_t *siginfo, void *context)
2441 fprintf(stderr, "caught segv\n");
2443 count = backtrace(buffer, ARRAY_LENGTH(buffer));
2444 for (i = 0; i < count; i++) {
2445 dladdr(buffer[i], &info);
2446 fprintf(stderr, " [%016lx] %s (%s)\n",
2448 info.dli_sname ? info.dli_sname : "--",
2452 longjmp(segv_jmp_buf, 1);
2457 load_module(const char *name, const char *entrypoint, void **handle)
2459 char path[PATH_MAX];
2460 void *module, *init;
2463 snprintf(path, sizeof path, MODULEDIR "/%s", name);
2465 snprintf(path, sizeof path, "%s", name);
2467 module = dlopen(path, RTLD_LAZY);
2470 "failed to load module: %s\n", dlerror());
2474 init = dlsym(module, entrypoint);
2477 "failed to lookup init function: %s\n", dlerror());
2484 int main(int argc, char *argv[])
2486 struct wl_display *display;
2487 struct weston_compositor *ec;
2488 struct wl_event_source *signals[4];
2489 struct wl_event_loop *loop;
2490 struct sigaction segv_action;
2491 void *shell_module, *backend_module;
2492 int (*shell_init)(struct weston_compositor *ec);
2493 struct weston_compositor
2494 *(*backend_init)(struct wl_display *display,
2495 int argc, char *argv[]);
2497 char *backend = NULL;
2499 int32_t idle_time = 300;
2501 char *socket_name = NULL;
2504 const const struct config_key shell_config_keys[] = {
2505 { "type", CONFIG_KEY_STRING, &shell },
2508 const const struct config_section cs[] = {
2510 shell_config_keys, ARRAY_LENGTH(shell_config_keys) },
2513 const struct weston_option core_options[] = {
2514 { WESTON_OPTION_STRING, "backend", 'B', &backend },
2515 { WESTON_OPTION_STRING, "socket", 'S', &socket_name },
2516 { WESTON_OPTION_INTEGER, "idle-time", 'i', &idle_time },
2517 { WESTON_OPTION_BOOLEAN, "xserver", 0, &xserver },
2520 argc = parse_options(core_options,
2521 ARRAY_LENGTH(core_options), argc, argv);
2523 display = wl_display_create();
2525 loop = wl_display_get_event_loop(display);
2526 signals[0] = wl_event_loop_add_signal(loop, SIGTERM, on_term_signal,
2528 signals[1] = wl_event_loop_add_signal(loop, SIGINT, on_term_signal,
2530 signals[2] = wl_event_loop_add_signal(loop, SIGQUIT, on_term_signal,
2533 wl_list_init(&child_process_list);
2534 signals[3] = wl_event_loop_add_signal(loop, SIGCHLD, sigchld_handler,
2537 segv_action.sa_flags = SA_SIGINFO | SA_RESETHAND;
2538 segv_action.sa_sigaction = on_segv_signal;
2539 sigemptyset(&segv_action.sa_mask);
2540 sigaction(SIGSEGV, &segv_action, NULL);
2543 if (getenv("WAYLAND_DISPLAY"))
2544 backend = "wayland-backend.so";
2545 else if (getenv("DISPLAY"))
2546 backend = "x11-backend.so";
2547 else if (getenv("OPENWFD"))
2548 backend = "openwfd-backend.so";
2550 backend = "drm-backend.so";
2553 config_file = config_file_path("weston.ini");
2554 parse_config_file(config_file, cs, ARRAY_LENGTH(cs), shell);
2558 shell = "desktop-shell.so";
2560 backend_init = load_module(backend, "backend_init", &backend_module);
2564 shell_init = load_module(shell, "shell_init", &shell_module);
2568 ec = backend_init(display, argc, argv);
2570 fprintf(stderr, "failed to create compositor\n");
2574 for (i = 1; argv[i]; i++)
2575 fprintf(stderr, "unhandled option: %s\n", argv[i]);
2579 ec->option_idle_time = idle_time;
2580 ec->idle_time = idle_time;
2582 #ifdef BUILD_XSERVER_LAUNCHER
2584 weston_xserver_init(ec);
2587 if (shell_init(ec) < 0)
2590 if (wl_display_add_socket(display, socket_name)) {
2591 fprintf(stderr, "failed to add socket: %m\n");
2595 weston_compositor_dpms_on(ec);
2596 weston_compositor_wake(ec);
2597 if (setjmp(segv_jmp_buf) == 0)
2598 wl_display_run(display);
2600 /* prevent further rendering while shutting down */
2601 ec->state = WESTON_COMPOSITOR_SLEEPING;
2603 #ifdef BUILD_XSERVER_LAUNCHER
2605 weston_xserver_destroy(ec);
2608 ec->shell->destroy(ec->shell);
2610 if (ec->has_bind_display)
2611 ec->unbind_display(ec->display, display);
2613 for (i = ARRAY_LENGTH(signals); i;)
2614 wl_event_source_remove(signals[--i]);
2617 wl_display_destroy(display);