2 * Copyright © 2010-2011 Intel Corporation
3 * Copyright © 2008-2011 Kristian Høgsberg
4 * Copyright © 2012 Collabora, Ltd.
6 * Permission to use, copy, modify, distribute, and sell this software and
7 * its documentation for any purpose is hereby granted without fee, provided
8 * that the above copyright notice appear in all copies and that both that
9 * copyright notice and this permission notice appear in supporting
10 * documentation, and that the name of the copyright holders not be used in
11 * advertising or publicity pertaining to distribution of the software
12 * without specific, written prior permission. The copyright holders make
13 * no representations about the suitability of this software for any
14 * purpose. It is provided "as is" without express or implied warranty.
16 * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
17 * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
18 * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
19 * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
20 * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
21 * CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
22 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
36 #include <sys/ioctl.h>
38 #include <sys/types.h>
39 #include <sys/socket.h>
43 #include <linux/input.h>
49 #include <wayland-server.h>
50 #include "compositor.h"
52 static struct wl_list child_process_list;
53 static jmp_buf segv_jmp_buf;
56 sigchld_handler(int signal_number, void *data)
58 struct weston_process *p;
62 pid = waitpid(-1, &status, WNOHANG);
66 wl_list_for_each(p, &child_process_list, link) {
71 if (&p->link == &child_process_list) {
72 fprintf(stderr, "unknown child process exited\n");
76 wl_list_remove(&p->link);
77 p->cleanup(p, status);
83 weston_output_switch_mode(struct weston_output *output, struct weston_mode *mode)
85 if (!output->switch_mode)
88 return output->switch_mode(output, mode);
92 weston_watch_process(struct weston_process *process)
94 wl_list_insert(&child_process_list, &process->link);
98 child_client_exec(int sockfd, const char *path)
104 /* do not give our signal mask to the new process */
105 sigfillset(&allsigs);
106 sigprocmask(SIG_UNBLOCK, &allsigs, NULL);
108 /* Launch clients as the user. */
111 /* SOCK_CLOEXEC closes both ends, so we dup the fd to get a
112 * non-CLOEXEC fd to pass through exec. */
113 clientfd = dup(sockfd);
114 if (clientfd == -1) {
115 fprintf(stderr, "compositor: dup failed: %m\n");
119 snprintf(s, sizeof s, "%d", clientfd);
120 setenv("WAYLAND_SOCKET", s, 1);
122 if (execl(path, path, NULL) < 0)
123 fprintf(stderr, "compositor: executing '%s' failed: %m\n",
127 WL_EXPORT struct wl_client *
128 weston_client_launch(struct weston_compositor *compositor,
129 struct weston_process *proc,
131 weston_process_cleanup_func_t cleanup)
135 struct wl_client *client;
137 if (socketpair(AF_UNIX, SOCK_STREAM | SOCK_CLOEXEC, 0, sv) < 0) {
138 fprintf(stderr, "weston_client_launch: "
139 "socketpair failed while launching '%s': %m\n",
148 fprintf(stderr, "weston_client_launch: "
149 "fork failed while launching '%s': %m\n", path);
154 child_client_exec(sv[1], path);
160 client = wl_client_create(compositor->wl_display, sv[0]);
163 fprintf(stderr, "weston_client_launch: "
164 "wl_client_create failed while launching '%s'.\n",
170 proc->cleanup = cleanup;
171 weston_watch_process(proc);
177 surface_handle_buffer_destroy(struct wl_listener *listener, void *data)
179 struct weston_surface *es =
180 container_of(listener, struct weston_surface,
181 buffer_destroy_listener);
186 static const pixman_region32_data_t undef_region_data;
189 undef_region(pixman_region32_t *region)
191 pixman_region32_fini(region);
192 region->data = (pixman_region32_data_t *) &undef_region_data;
196 region_is_undefined(pixman_region32_t *region)
198 return region->data == &undef_region_data;
202 empty_region(pixman_region32_t *region)
204 if (!region_is_undefined(region))
205 pixman_region32_fini(region);
207 pixman_region32_init(region);
210 WL_EXPORT struct weston_surface *
211 weston_surface_create(struct weston_compositor *compositor)
213 struct weston_surface *surface;
215 surface = calloc(1, sizeof *surface);
219 wl_signal_init(&surface->surface.resource.destroy_signal);
221 wl_list_init(&surface->link);
222 wl_list_init(&surface->layer_link);
224 surface->surface.resource.client = NULL;
226 surface->compositor = compositor;
227 surface->image = EGL_NO_IMAGE_KHR;
228 surface->alpha = 255;
229 surface->brightness = 255;
230 surface->saturation = 255;
233 surface->buffer = NULL;
234 surface->output = NULL;
236 pixman_region32_init(&surface->damage);
237 pixman_region32_init(&surface->opaque);
238 pixman_region32_init(&surface->clip);
239 undef_region(&surface->input);
240 pixman_region32_init(&surface->transform.opaque);
241 wl_list_init(&surface->frame_callback_list);
243 surface->buffer_destroy_listener.notify =
244 surface_handle_buffer_destroy;
246 wl_list_init(&surface->geometry.transformation_list);
247 wl_list_insert(&surface->geometry.transformation_list,
248 &surface->transform.position.link);
249 weston_matrix_init(&surface->transform.position.matrix);
250 pixman_region32_init(&surface->transform.boundingbox);
251 surface->geometry.dirty = 1;
257 weston_surface_set_color(struct weston_surface *surface,
258 GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha)
260 surface->color[0] = red;
261 surface->color[1] = green;
262 surface->color[2] = blue;
263 surface->color[3] = alpha;
264 surface->shader = &surface->compositor->solid_shader;
268 surface_to_global_float(struct weston_surface *surface,
269 GLfloat sx, GLfloat sy, GLfloat *x, GLfloat *y)
271 if (surface->transform.enabled) {
272 struct weston_vector v = { { sx, sy, 0.0f, 1.0f } };
274 weston_matrix_transform(&surface->transform.matrix, &v);
276 if (fabsf(v.f[3]) < 1e-6) {
277 fprintf(stderr, "warning: numerical instability in "
278 "weston_surface_to_global(), divisor = %g\n",
285 *x = v.f[0] / v.f[3];
286 *y = v.f[1] / v.f[3];
288 *x = sx + surface->geometry.x;
289 *y = sy + surface->geometry.y;
294 weston_surface_damage_below(struct weston_surface *surface)
296 struct weston_compositor *compositor = surface->compositor;
297 pixman_region32_t damage;
299 pixman_region32_init(&damage);
300 pixman_region32_subtract(&damage, &surface->transform.boundingbox,
302 pixman_region32_union(&compositor->damage,
303 &compositor->damage, &damage);
304 pixman_region32_fini(&damage);
308 surface_compute_bbox(struct weston_surface *surface, int32_t sx, int32_t sy,
309 int32_t width, int32_t height,
310 pixman_region32_t *bbox)
312 GLfloat min_x = HUGE_VALF, min_y = HUGE_VALF;
313 GLfloat max_x = -HUGE_VALF, max_y = -HUGE_VALF;
318 { sx + width, sy + height }
320 GLfloat int_x, int_y;
323 for (i = 0; i < 4; ++i) {
325 surface_to_global_float(surface, s[i][0], s[i][1], &x, &y);
336 int_x = floorf(min_x);
337 int_y = floorf(min_y);
338 pixman_region32_init_rect(bbox, int_x, int_y,
339 ceilf(max_x) - int_x, ceilf(max_y) - int_y);
343 weston_surface_update_transform_disable(struct weston_surface *surface)
345 surface->transform.enabled = 0;
347 /* round off fractions when not transformed */
348 surface->geometry.x = roundf(surface->geometry.x);
349 surface->geometry.y = roundf(surface->geometry.y);
351 pixman_region32_init_rect(&surface->transform.boundingbox,
354 surface->geometry.width,
355 surface->geometry.height);
357 if (surface->alpha == 255) {
358 pixman_region32_copy(&surface->transform.opaque,
360 pixman_region32_translate(&surface->transform.opaque,
362 surface->geometry.y);
367 weston_surface_update_transform_enable(struct weston_surface *surface)
369 struct weston_matrix *matrix = &surface->transform.matrix;
370 struct weston_matrix *inverse = &surface->transform.inverse;
371 struct weston_transform *tform;
373 surface->transform.enabled = 1;
375 /* Otherwise identity matrix, but with x and y translation. */
376 surface->transform.position.matrix.d[12] = surface->geometry.x;
377 surface->transform.position.matrix.d[13] = surface->geometry.y;
379 weston_matrix_init(matrix);
380 wl_list_for_each(tform, &surface->geometry.transformation_list, link)
381 weston_matrix_multiply(matrix, &tform->matrix);
383 if (weston_matrix_invert(inverse, matrix) < 0) {
384 /* Oops, bad total transformation, not invertible */
385 fprintf(stderr, "error: weston_surface %p"
386 " transformation not invertible.\n", surface);
390 surface_compute_bbox(surface, 0, 0, surface->geometry.width,
391 surface->geometry.height,
392 &surface->transform.boundingbox);
398 weston_surface_update_transform(struct weston_surface *surface)
400 if (!surface->geometry.dirty)
403 surface->geometry.dirty = 0;
405 weston_surface_damage_below(surface);
407 pixman_region32_fini(&surface->transform.boundingbox);
408 pixman_region32_fini(&surface->transform.opaque);
409 pixman_region32_init(&surface->transform.opaque);
411 if (region_is_undefined(&surface->input))
412 pixman_region32_init_rect(&surface->input, 0, 0,
413 surface->geometry.width,
414 surface->geometry.height);
416 /* transform.position is always in transformation_list */
417 if (surface->geometry.transformation_list.next ==
418 &surface->transform.position.link &&
419 surface->geometry.transformation_list.prev ==
420 &surface->transform.position.link) {
421 weston_surface_update_transform_disable(surface);
423 if (weston_surface_update_transform_enable(surface) < 0)
424 weston_surface_update_transform_disable(surface);
427 /* weston_surface_damage() without update */
428 pixman_region32_union(&surface->damage, &surface->damage,
429 &surface->transform.boundingbox);
431 if (weston_surface_is_mapped(surface))
432 weston_surface_assign_output(surface);
434 weston_compositor_schedule_repaint(surface->compositor);
438 weston_surface_to_global_float(struct weston_surface *surface,
439 GLfloat sx, GLfloat sy, GLfloat *x, GLfloat *y)
441 weston_surface_update_transform(surface);
443 surface_to_global_float(surface, sx, sy, x, y);
447 weston_surface_to_global_fixed(struct weston_surface *surface,
448 wl_fixed_t sx, wl_fixed_t sy,
449 wl_fixed_t *x, wl_fixed_t *y)
453 weston_surface_to_global_float(surface,
454 wl_fixed_to_double(sx),
455 wl_fixed_to_double(sy),
457 *x = wl_fixed_from_double(xf);
458 *y = wl_fixed_from_double(yf);
462 weston_surface_to_global(struct weston_surface *surface,
463 int32_t sx, int32_t sy, int32_t *x, int32_t *y)
467 weston_surface_to_global_float(surface, sx, sy, &xf, &yf);
473 surface_from_global_float(struct weston_surface *surface,
474 GLfloat x, GLfloat y, GLfloat *sx, GLfloat *sy)
476 if (surface->transform.enabled) {
477 struct weston_vector v = { { x, y, 0.0f, 1.0f } };
479 weston_matrix_transform(&surface->transform.inverse, &v);
481 if (fabsf(v.f[3]) < 1e-6) {
482 fprintf(stderr, "warning: numerical instability in "
483 "weston_surface_from_global(), divisor = %g\n",
490 *sx = v.f[0] / v.f[3];
491 *sy = v.f[1] / v.f[3];
493 *sx = x - surface->geometry.x;
494 *sy = y - surface->geometry.y;
499 weston_surface_from_global_fixed(struct weston_surface *surface,
500 wl_fixed_t x, wl_fixed_t y,
501 wl_fixed_t *sx, wl_fixed_t *sy)
505 weston_surface_update_transform(surface);
507 surface_from_global_float(surface,
508 wl_fixed_to_double(x),
509 wl_fixed_to_double(y),
511 *sx = wl_fixed_from_double(sxf);
512 *sy = wl_fixed_from_double(syf);
516 weston_surface_from_global(struct weston_surface *surface,
517 int32_t x, int32_t y, int32_t *sx, int32_t *sy)
521 weston_surface_update_transform(surface);
523 surface_from_global_float(surface, x, y, &sxf, &syf);
529 weston_surface_damage_rectangle(struct weston_surface *surface,
530 int32_t sx, int32_t sy,
531 int32_t width, int32_t height)
533 weston_surface_update_transform(surface);
535 if (surface->transform.enabled) {
536 pixman_region32_t box;
537 surface_compute_bbox(surface, sx, sy, width, height, &box);
538 pixman_region32_union(&surface->damage, &surface->damage,
540 pixman_region32_fini(&box);
542 pixman_region32_union_rect(&surface->damage, &surface->damage,
543 surface->geometry.x + sx,
544 surface->geometry.y + sy,
548 weston_compositor_schedule_repaint(surface->compositor);
552 weston_surface_damage(struct weston_surface *surface)
554 weston_surface_update_transform(surface);
556 pixman_region32_union(&surface->damage, &surface->damage,
557 &surface->transform.boundingbox);
559 weston_compositor_schedule_repaint(surface->compositor);
563 weston_surface_configure(struct weston_surface *surface,
564 GLfloat x, GLfloat y, int width, int height)
566 surface->geometry.x = x;
567 surface->geometry.y = y;
568 surface->geometry.width = width;
569 surface->geometry.height = height;
570 surface->geometry.dirty = 1;
574 weston_surface_set_position(struct weston_surface *surface,
575 GLfloat x, GLfloat y)
577 surface->geometry.x = x;
578 surface->geometry.y = y;
579 surface->geometry.dirty = 1;
583 weston_surface_is_mapped(struct weston_surface *surface)
592 weston_compositor_get_time(void)
596 gettimeofday(&tv, NULL);
598 return tv.tv_sec * 1000 + tv.tv_usec / 1000;
601 static struct weston_surface *
602 weston_compositor_pick_surface(struct weston_compositor *compositor,
603 wl_fixed_t x, wl_fixed_t y,
604 wl_fixed_t *sx, wl_fixed_t *sy)
606 struct weston_surface *surface;
608 wl_list_for_each(surface, &compositor->surface_list, link) {
609 weston_surface_from_global_fixed(surface, x, y, sx, sy);
610 if (pixman_region32_contains_point(&surface->input,
611 wl_fixed_to_int(*sx),
612 wl_fixed_to_int(*sy),
621 weston_device_repick(struct wl_input_device *device)
623 struct weston_input_device *wd = (struct weston_input_device *) device;
624 const struct wl_pointer_grab_interface *interface;
625 struct weston_surface *surface, *focus;
627 surface = weston_compositor_pick_surface(wd->compositor,
628 device->x, device->y,
632 if (&surface->surface != device->current) {
633 interface = device->pointer_grab->interface;
634 interface->focus(device->pointer_grab, &surface->surface,
635 device->current_x, device->current_y);
636 device->current = &surface->surface;
639 focus = (struct weston_surface *) device->pointer_grab->focus;
641 weston_surface_from_global_fixed(focus, device->x, device->y,
642 &device->pointer_grab->x,
643 &device->pointer_grab->y);
647 weston_compositor_repick(struct weston_compositor *compositor)
649 struct weston_input_device *device;
651 if (!compositor->focus)
654 wl_list_for_each(device, &compositor->input_device_list, link)
655 weston_device_repick(&device->input_device);
659 weston_surface_unmap(struct weston_surface *surface)
661 struct wl_input_device *device = surface->compositor->input_device;
663 weston_surface_damage_below(surface);
664 surface->output = NULL;
665 wl_list_remove(&surface->link);
666 wl_list_remove(&surface->layer_link);
668 if (device->keyboard_focus == &surface->surface)
669 wl_input_device_set_keyboard_focus(device, NULL);
670 if (device->pointer_focus == &surface->surface)
671 wl_input_device_set_pointer_focus(device, NULL,
672 wl_fixed_from_int(0),
673 wl_fixed_from_int(0));
675 weston_compositor_schedule_repaint(surface->compositor);
679 destroy_surface(struct wl_resource *resource)
681 struct weston_surface *surface =
682 container_of(resource,
683 struct weston_surface, surface.resource);
684 struct weston_compositor *compositor = surface->compositor;
686 if (weston_surface_is_mapped(surface))
687 weston_surface_unmap(surface);
689 if (surface->texture)
690 glDeleteTextures(1, &surface->texture);
693 wl_list_remove(&surface->buffer_destroy_listener.link);
695 if (surface->image != EGL_NO_IMAGE_KHR)
696 compositor->destroy_image(compositor->display,
699 pixman_region32_fini(&surface->transform.boundingbox);
700 pixman_region32_fini(&surface->damage);
701 pixman_region32_fini(&surface->opaque);
702 pixman_region32_fini(&surface->clip);
703 if (!region_is_undefined(&surface->input))
704 pixman_region32_fini(&surface->input);
710 weston_surface_destroy(struct weston_surface *surface)
712 /* Not a valid way to destroy a client surface */
713 assert(surface->surface.resource.client == NULL);
715 destroy_surface(&surface->surface.resource);
719 weston_surface_attach(struct wl_surface *surface, struct wl_buffer *buffer)
721 struct weston_surface *es = (struct weston_surface *) surface;
722 struct weston_compositor *ec = es->compositor;
725 weston_buffer_post_release(es->buffer);
726 wl_list_remove(&es->buffer_destroy_listener.link);
732 if (weston_surface_is_mapped(es))
733 weston_surface_unmap(es);
737 buffer->busy_count++;
738 wl_signal_add(&es->buffer->resource.destroy_signal,
739 &es->buffer_destroy_listener);
741 if (es->geometry.width != buffer->width ||
742 es->geometry.height != buffer->height) {
743 undef_region(&es->input);
744 pixman_region32_fini(&es->opaque);
745 pixman_region32_init(&es->opaque);
749 glGenTextures(1, &es->texture);
750 glBindTexture(GL_TEXTURE_2D, es->texture);
751 glTexParameteri(GL_TEXTURE_2D,
752 GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
753 glTexParameteri(GL_TEXTURE_2D,
754 GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
755 es->shader = &ec->texture_shader;
757 glBindTexture(GL_TEXTURE_2D, es->texture);
760 if (wl_buffer_is_shm(buffer)) {
761 es->pitch = wl_shm_buffer_get_stride(buffer) / 4;
762 glTexImage2D(GL_TEXTURE_2D, 0, GL_BGRA_EXT,
763 es->pitch, es->buffer->height, 0,
764 GL_BGRA_EXT, GL_UNSIGNED_BYTE, NULL);
766 if (es->image != EGL_NO_IMAGE_KHR)
767 ec->destroy_image(ec->display, es->image);
768 es->image = ec->create_image(ec->display, NULL,
769 EGL_WAYLAND_BUFFER_WL,
772 ec->image_target_texture_2d(GL_TEXTURE_2D, es->image);
774 es->pitch = buffer->width;
779 texture_region(struct weston_surface *es, pixman_region32_t *region)
781 struct weston_compositor *ec = es->compositor;
782 GLfloat *v, inv_width, inv_height;
784 pixman_box32_t *rectangles;
788 rectangles = pixman_region32_rectangles(region, &n);
789 v = wl_array_add(&ec->vertices, n * 16 * sizeof *v);
790 p = wl_array_add(&ec->indices, n * 6 * sizeof *p);
791 inv_width = 1.0 / es->pitch;
792 inv_height = 1.0 / es->geometry.height;
794 for (i = 0; i < n; i++, v += 16, p += 6) {
795 surface_from_global_float(es, rectangles[i].x1,
796 rectangles[i].y1, &sx, &sy);
797 v[ 0] = rectangles[i].x1;
798 v[ 1] = rectangles[i].y1;
799 v[ 2] = sx * inv_width;
800 v[ 3] = sy * inv_height;
802 surface_from_global_float(es, rectangles[i].x1,
803 rectangles[i].y2, &sx, &sy);
804 v[ 4] = rectangles[i].x1;
805 v[ 5] = rectangles[i].y2;
806 v[ 6] = sx * inv_width;
807 v[ 7] = sy * inv_height;
809 surface_from_global_float(es, rectangles[i].x2,
810 rectangles[i].y1, &sx, &sy);
811 v[ 8] = rectangles[i].x2;
812 v[ 9] = rectangles[i].y1;
813 v[10] = sx * inv_width;
814 v[11] = sy * inv_height;
816 surface_from_global_float(es, rectangles[i].x2,
817 rectangles[i].y2, &sx, &sy);
818 v[12] = rectangles[i].x2;
819 v[13] = rectangles[i].y2;
820 v[14] = sx * inv_width;
821 v[15] = sy * inv_height;
835 weston_surface_draw(struct weston_surface *es, struct weston_output *output,
836 pixman_region32_t *damage)
838 struct weston_compositor *ec = es->compositor;
840 pixman_region32_t repaint;
844 pixman_region32_init(&repaint);
845 pixman_region32_intersect(&repaint,
846 &es->transform.boundingbox, damage);
847 pixman_region32_subtract(&repaint, &repaint, &es->clip);
849 if (!pixman_region32_not_empty(&repaint))
852 glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
855 if (ec->current_shader != es->shader) {
856 glUseProgram(es->shader->program);
857 ec->current_shader = es->shader;
860 glUniformMatrix4fv(es->shader->proj_uniform,
861 1, GL_FALSE, output->matrix.d);
862 glUniform1i(es->shader->tex_uniform, 0);
863 glUniform4fv(es->shader->color_uniform, 1, es->color);
864 glUniform1f(es->shader->alpha_uniform, es->alpha / 255.0);
865 glUniform1f(es->shader->brightness_uniform, es->brightness / 255.0);
866 glUniform1f(es->shader->saturation_uniform, es->saturation / 255.0);
867 glUniform1f(es->shader->texwidth_uniform,
868 (GLfloat)es->geometry.width / es->pitch);
870 if (es->transform.enabled || output->zoom.active)
875 n = texture_region(es, &repaint);
877 glBindTexture(GL_TEXTURE_2D, es->texture);
878 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, filter);
879 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, filter);
881 v = ec->vertices.data;
882 glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 4 * sizeof *v, &v[0]);
883 glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, 4 * sizeof *v, &v[2]);
884 glEnableVertexAttribArray(0);
885 glEnableVertexAttribArray(1);
887 glDrawElements(GL_TRIANGLES, n * 6, GL_UNSIGNED_INT, ec->indices.data);
889 glDisableVertexAttribArray(1);
890 glDisableVertexAttribArray(0);
892 ec->vertices.size = 0;
893 ec->indices.size = 0;
896 pixman_region32_fini(&repaint);
900 weston_surface_restack(struct weston_surface *surface, struct wl_list *below)
902 wl_list_remove(&surface->layer_link);
903 wl_list_insert(below, &surface->layer_link);
904 weston_surface_damage_below(surface);
905 weston_surface_damage(surface);
909 weston_compositor_damage_all(struct weston_compositor *compositor)
911 struct weston_output *output;
913 wl_list_for_each(output, &compositor->output_list, link)
914 weston_output_damage(output);
918 weston_buffer_post_release(struct wl_buffer *buffer)
920 if (--buffer->busy_count > 0)
923 assert(buffer->resource.client != NULL);
924 wl_resource_queue_event(&buffer->resource, WL_BUFFER_RELEASE);
928 weston_output_damage(struct weston_output *output)
930 struct weston_compositor *compositor = output->compositor;
932 pixman_region32_union(&compositor->damage,
933 &compositor->damage, &output->region);
934 weston_compositor_schedule_repaint(compositor);
938 fade_frame(struct weston_animation *animation,
939 struct weston_output *output, uint32_t msecs)
941 struct weston_compositor *compositor =
942 container_of(animation,
943 struct weston_compositor, fade.animation);
944 struct weston_surface *surface;
946 surface = compositor->fade.surface;
947 weston_spring_update(&compositor->fade.spring, msecs);
948 weston_surface_set_color(surface, 0.0, 0.0, 0.0,
949 compositor->fade.spring.current);
950 weston_surface_damage(surface);
952 if (weston_spring_done(&compositor->fade.spring)) {
953 compositor->fade.spring.current =
954 compositor->fade.spring.target;
955 wl_list_remove(&animation->link);
956 wl_list_init(&animation->link);
958 if (compositor->fade.spring.current < 0.001) {
959 destroy_surface(&surface->surface.resource);
960 compositor->fade.surface = NULL;
961 } else if (compositor->fade.spring.current > 0.999) {
962 compositor->state = WESTON_COMPOSITOR_SLEEPING;
963 wl_signal_emit(&compositor->lock_signal, compositor);
968 struct weston_frame_callback {
969 struct wl_resource resource;
974 weston_output_repaint(struct weston_output *output, int msecs)
976 struct weston_compositor *ec = output->compositor;
977 struct weston_surface *es;
978 struct weston_layer *layer;
979 struct weston_animation *animation, *next;
980 struct weston_frame_callback *cb, *cnext;
981 pixman_region32_t opaque, new_damage, output_damage;
982 int32_t width, height;
984 weston_compositor_update_drag_surfaces(ec);
986 width = output->current->width +
987 output->border.left + output->border.right;
988 height = output->current->height +
989 output->border.top + output->border.bottom;
990 glViewport(0, 0, width, height);
992 /* Rebuild the surface list and update surface transforms up front. */
993 wl_list_init(&ec->surface_list);
994 wl_list_for_each(layer, &ec->layer_list, link) {
995 wl_list_for_each(es, &layer->surface_list, layer_link) {
996 weston_surface_update_transform(es);
997 wl_list_insert(ec->surface_list.prev, &es->link);
1001 if (output->assign_planes)
1003 * This will queue flips for the fbs and sprites where
1004 * applicable and clear the damage for those surfaces.
1005 * The repaint loop below will repaint everything
1008 output->assign_planes(output);
1010 pixman_region32_init(&new_damage);
1011 pixman_region32_init(&opaque);
1013 wl_list_for_each(es, &ec->surface_list, link) {
1014 pixman_region32_subtract(&es->damage, &es->damage, &opaque);
1015 pixman_region32_union(&new_damage, &new_damage, &es->damage);
1016 empty_region(&es->damage);
1017 pixman_region32_copy(&es->clip, &opaque);
1018 pixman_region32_union(&opaque, &opaque, &es->transform.opaque);
1021 pixman_region32_union(&ec->damage, &ec->damage, &new_damage);
1023 pixman_region32_init(&output_damage);
1024 pixman_region32_union(&output_damage,
1025 &ec->damage, &output->previous_damage);
1026 pixman_region32_copy(&output->previous_damage, &ec->damage);
1027 pixman_region32_intersect(&output_damage,
1028 &output_damage, &output->region);
1029 pixman_region32_subtract(&ec->damage, &ec->damage, &output->region);
1031 pixman_region32_fini(&opaque);
1032 pixman_region32_fini(&new_damage);
1035 weston_output_update_matrix(output);
1037 output->repaint(output, &output_damage);
1039 pixman_region32_fini(&output_damage);
1041 output->repaint_needed = 0;
1043 weston_compositor_repick(ec);
1044 wl_event_loop_dispatch(ec->input_loop, 0);
1046 wl_list_for_each_safe(cb, cnext, &output->frame_callback_list, link) {
1047 wl_callback_send_done(&cb->resource, msecs);
1048 wl_resource_destroy(&cb->resource);
1051 wl_list_for_each_safe(animation, next, &ec->animation_list, link)
1052 animation->frame(animation, output, msecs);
1056 weston_compositor_read_input(int fd, uint32_t mask, void *data)
1058 struct weston_compositor *compositor = data;
1060 wl_event_loop_dispatch(compositor->input_loop, 0);
1066 weston_output_finish_frame(struct weston_output *output, int msecs)
1068 struct weston_compositor *compositor = output->compositor;
1069 struct wl_event_loop *loop =
1070 wl_display_get_event_loop(compositor->wl_display);
1073 if (output->repaint_needed) {
1074 weston_output_repaint(output, msecs);
1078 output->repaint_scheduled = 0;
1079 if (compositor->input_loop_source)
1082 fd = wl_event_loop_get_fd(compositor->input_loop);
1083 compositor->input_loop_source =
1084 wl_event_loop_add_fd(loop, fd, WL_EVENT_READABLE,
1085 weston_compositor_read_input, compositor);
1089 idle_repaint(void *data)
1091 struct weston_output *output = data;
1093 weston_output_finish_frame(output, weston_compositor_get_time());
1097 weston_layer_init(struct weston_layer *layer, struct wl_list *below)
1099 wl_list_init(&layer->surface_list);
1100 wl_list_insert(below, &layer->link);
1104 weston_compositor_schedule_repaint(struct weston_compositor *compositor)
1106 struct weston_output *output;
1107 struct wl_event_loop *loop;
1109 if (compositor->state == WESTON_COMPOSITOR_SLEEPING)
1112 loop = wl_display_get_event_loop(compositor->wl_display);
1113 wl_list_for_each(output, &compositor->output_list, link) {
1114 output->repaint_needed = 1;
1115 if (output->repaint_scheduled)
1118 wl_event_loop_add_idle(loop, idle_repaint, output);
1119 output->repaint_scheduled = 1;
1122 if (compositor->input_loop_source) {
1123 wl_event_source_remove(compositor->input_loop_source);
1124 compositor->input_loop_source = NULL;
1129 weston_compositor_fade(struct weston_compositor *compositor, float tint)
1131 struct weston_surface *surface;
1134 done = weston_spring_done(&compositor->fade.spring);
1135 compositor->fade.spring.target = tint;
1136 if (weston_spring_done(&compositor->fade.spring))
1140 compositor->fade.spring.timestamp =
1141 weston_compositor_get_time();
1143 if (compositor->fade.surface == NULL) {
1144 surface = weston_surface_create(compositor);
1145 weston_surface_configure(surface, 0, 0, 8192, 8192);
1146 weston_surface_set_color(surface, 0.0, 0.0, 0.0, 0.0);
1147 wl_list_insert(&compositor->fade_layer.surface_list,
1148 &surface->layer_link);
1149 weston_surface_assign_output(surface);
1150 compositor->fade.surface = surface;
1151 pixman_region32_init(&surface->input);
1154 weston_surface_damage(compositor->fade.surface);
1155 if (wl_list_empty(&compositor->fade.animation.link))
1156 wl_list_insert(compositor->animation_list.prev,
1157 &compositor->fade.animation.link);
1161 surface_destroy(struct wl_client *client, struct wl_resource *resource)
1163 wl_resource_destroy(resource);
1166 static struct wl_resource *
1167 find_resource_for_client(struct wl_list *list, struct wl_client *client)
1169 struct wl_resource *r;
1171 wl_list_for_each(r, list, link) {
1172 if (r->client == client)
1180 weston_surface_update_output_mask(struct weston_surface *es, uint32_t mask)
1182 uint32_t different = es->output_mask ^ mask;
1183 uint32_t entered = mask & different;
1184 uint32_t left = es->output_mask & different;
1185 struct weston_output *output;
1186 struct wl_resource *resource;
1187 struct wl_client *client = es->surface.resource.client;
1189 if (es->surface.resource.client == NULL)
1194 es->output_mask = mask;
1195 wl_list_for_each(output, &es->compositor->output_list, link) {
1196 if (1 << output->id & different)
1198 find_resource_for_client(&output->resource_list,
1200 if (1 << output->id & entered)
1201 wl_surface_send_enter(&es->surface.resource, resource);
1202 if (1 << output->id & left)
1203 wl_surface_send_leave(&es->surface.resource, resource);
1208 weston_surface_assign_output(struct weston_surface *es)
1210 struct weston_compositor *ec = es->compositor;
1211 struct weston_output *output, *new_output;
1212 pixman_region32_t region;
1213 uint32_t max, area, mask;
1216 weston_surface_update_transform(es);
1221 pixman_region32_init(®ion);
1222 wl_list_for_each(output, &ec->output_list, link) {
1223 pixman_region32_intersect(®ion, &es->transform.boundingbox,
1226 e = pixman_region32_extents(®ion);
1227 area = (e->x2 - e->x1) * (e->y2 - e->y1);
1230 mask |= 1 << output->id;
1233 new_output = output;
1237 pixman_region32_fini(®ion);
1239 es->output = new_output;
1240 weston_surface_update_output_mask(es, mask);
1242 if (!wl_list_empty(&es->frame_callback_list)) {
1243 wl_list_insert_list(new_output->frame_callback_list.prev,
1244 &es->frame_callback_list);
1245 wl_list_init(&es->frame_callback_list);
1250 surface_attach(struct wl_client *client,
1251 struct wl_resource *resource,
1252 struct wl_resource *buffer_resource, int32_t sx, int32_t sy)
1254 struct weston_surface *es = resource->data;
1255 struct wl_buffer *buffer = NULL;
1257 if (buffer_resource)
1258 buffer = buffer_resource->data;
1260 weston_surface_attach(&es->surface, buffer);
1262 if (buffer && es->configure)
1263 es->configure(es, sx, sy);
1267 texture_set_subimage(struct weston_surface *surface,
1268 int32_t x, int32_t y, int32_t width, int32_t height)
1270 glBindTexture(GL_TEXTURE_2D, surface->texture);
1272 #ifdef GL_UNPACK_ROW_LENGTH
1273 /* Mesa does not define GL_EXT_unpack_subimage */
1275 if (surface->compositor->has_unpack_subimage) {
1276 glPixelStorei(GL_UNPACK_ROW_LENGTH, surface->pitch);
1277 glPixelStorei(GL_UNPACK_SKIP_PIXELS, x);
1278 glPixelStorei(GL_UNPACK_SKIP_ROWS, y);
1280 glTexSubImage2D(GL_TEXTURE_2D, 0, x, y, width, height,
1281 GL_BGRA_EXT, GL_UNSIGNED_BYTE,
1282 wl_shm_buffer_get_data(surface->buffer));
1287 glTexImage2D(GL_TEXTURE_2D, 0, GL_BGRA_EXT,
1288 surface->pitch, surface->buffer->height, 0,
1289 GL_BGRA_EXT, GL_UNSIGNED_BYTE,
1290 wl_shm_buffer_get_data(surface->buffer));
1294 surface_damage(struct wl_client *client,
1295 struct wl_resource *resource,
1296 int32_t x, int32_t y, int32_t width, int32_t height)
1298 struct weston_surface *es = resource->data;
1300 weston_surface_damage_rectangle(es, x, y, width, height);
1302 if (es->buffer && wl_buffer_is_shm(es->buffer))
1303 texture_set_subimage(es, x, y, width, height);
1307 destroy_frame_callback(struct wl_resource *resource)
1309 struct weston_frame_callback *cb = resource->data;
1311 wl_list_remove(&cb->link);
1316 surface_frame(struct wl_client *client,
1317 struct wl_resource *resource, uint32_t callback)
1319 struct weston_frame_callback *cb;
1320 struct weston_surface *es = resource->data;
1322 cb = malloc(sizeof *cb);
1324 wl_resource_post_no_memory(resource);
1328 cb->resource.object.interface = &wl_callback_interface;
1329 cb->resource.object.id = callback;
1330 cb->resource.destroy = destroy_frame_callback;
1331 cb->resource.client = client;
1332 cb->resource.data = cb;
1334 wl_client_add_resource(client, &cb->resource);
1337 wl_list_insert(es->output->frame_callback_list.prev,
1340 wl_list_insert(es->frame_callback_list.prev, &cb->link);
1345 surface_set_opaque_region(struct wl_client *client,
1346 struct wl_resource *resource,
1347 struct wl_resource *region_resource)
1349 struct weston_surface *surface = resource->data;
1350 struct weston_region *region;
1352 pixman_region32_fini(&surface->opaque);
1354 if (region_resource) {
1355 region = region_resource->data;
1356 pixman_region32_init_rect(&surface->opaque, 0, 0,
1357 surface->geometry.width,
1358 surface->geometry.height);
1359 pixman_region32_intersect(&surface->opaque,
1360 &surface->opaque, ®ion->region);
1362 pixman_region32_init(&surface->opaque);
1365 surface->geometry.dirty = 1;
1369 surface_set_input_region(struct wl_client *client,
1370 struct wl_resource *resource,
1371 struct wl_resource *region_resource)
1373 struct weston_surface *surface = resource->data;
1374 struct weston_region *region;
1376 if (region_resource) {
1377 region = region_resource->data;
1378 pixman_region32_init_rect(&surface->input, 0, 0,
1379 surface->geometry.width,
1380 surface->geometry.height);
1381 pixman_region32_intersect(&surface->input,
1382 &surface->input, ®ion->region);
1384 pixman_region32_init_rect(&surface->input, 0, 0,
1385 surface->geometry.width,
1386 surface->geometry.height);
1389 weston_compositor_schedule_repaint(surface->compositor);
1392 static const struct wl_surface_interface surface_interface = {
1397 surface_set_opaque_region,
1398 surface_set_input_region
1402 compositor_create_surface(struct wl_client *client,
1403 struct wl_resource *resource, uint32_t id)
1405 struct weston_compositor *ec = resource->data;
1406 struct weston_surface *surface;
1408 surface = weston_surface_create(ec);
1409 if (surface == NULL) {
1410 wl_resource_post_no_memory(resource);
1414 surface->surface.resource.destroy = destroy_surface;
1416 surface->surface.resource.object.id = id;
1417 surface->surface.resource.object.interface = &wl_surface_interface;
1418 surface->surface.resource.object.implementation =
1419 (void (**)(void)) &surface_interface;
1420 surface->surface.resource.data = surface;
1422 wl_client_add_resource(client, &surface->surface.resource);
1426 destroy_region(struct wl_resource *resource)
1428 struct weston_region *region =
1429 container_of(resource, struct weston_region, resource);
1431 pixman_region32_fini(®ion->region);
1436 region_destroy(struct wl_client *client, struct wl_resource *resource)
1438 wl_resource_destroy(resource);
1442 region_add(struct wl_client *client, struct wl_resource *resource,
1443 int32_t x, int32_t y, int32_t width, int32_t height)
1445 struct weston_region *region = resource->data;
1447 pixman_region32_union_rect(®ion->region, ®ion->region,
1448 x, y, width, height);
1452 region_subtract(struct wl_client *client, struct wl_resource *resource,
1453 int32_t x, int32_t y, int32_t width, int32_t height)
1455 struct weston_region *region = resource->data;
1456 pixman_region32_t rect;
1458 pixman_region32_init_rect(&rect, x, y, width, height);
1459 pixman_region32_subtract(®ion->region, ®ion->region, &rect);
1460 pixman_region32_fini(&rect);
1463 static const struct wl_region_interface region_interface = {
1470 compositor_create_region(struct wl_client *client,
1471 struct wl_resource *resource, uint32_t id)
1473 struct weston_region *region;
1475 region = malloc(sizeof *region);
1476 if (region == NULL) {
1477 wl_resource_post_no_memory(resource);
1481 region->resource.destroy = destroy_region;
1483 region->resource.object.id = id;
1484 region->resource.object.interface = &wl_region_interface;
1485 region->resource.object.implementation =
1486 (void (**)(void)) ®ion_interface;
1487 region->resource.data = region;
1489 pixman_region32_init(®ion->region);
1491 wl_client_add_resource(client, ®ion->resource);
1494 static const struct wl_compositor_interface compositor_interface = {
1495 compositor_create_surface,
1496 compositor_create_region
1500 weston_compositor_wake(struct weston_compositor *compositor)
1502 compositor->state = WESTON_COMPOSITOR_ACTIVE;
1503 weston_compositor_fade(compositor, 0.0);
1505 wl_event_source_timer_update(compositor->idle_source,
1506 compositor->idle_time * 1000);
1510 weston_compositor_dpms_on(struct weston_compositor *compositor)
1512 struct weston_output *output;
1514 wl_list_for_each(output, &compositor->output_list, link)
1515 if (output->set_dpms)
1516 output->set_dpms(output, WESTON_DPMS_ON);
1520 weston_compositor_activity(struct weston_compositor *compositor)
1522 if (compositor->state == WESTON_COMPOSITOR_ACTIVE) {
1523 weston_compositor_wake(compositor);
1525 weston_compositor_dpms_on(compositor);
1526 wl_signal_emit(&compositor->unlock_signal, compositor);
1531 weston_compositor_idle_inhibit(struct weston_compositor *compositor)
1533 weston_compositor_activity(compositor);
1534 compositor->idle_inhibit++;
1538 weston_compositor_idle_release(struct weston_compositor *compositor)
1540 compositor->idle_inhibit--;
1541 weston_compositor_activity(compositor);
1545 idle_handler(void *data)
1547 struct weston_compositor *compositor = data;
1549 if (compositor->idle_inhibit)
1552 weston_compositor_fade(compositor, 1.0);
1558 weston_input_update_drag_surface(struct wl_input_device *input_device,
1562 clip_pointer_motion(struct weston_compositor *ec,
1563 GLfloat *fx, GLfloat *fy)
1565 struct weston_output *output;
1567 int x_valid = 0, y_valid = 0;
1568 int min_x = INT_MAX, min_y = INT_MAX, max_x = INT_MIN, max_y = INT_MIN;
1573 wl_list_for_each(output, &ec->output_list, link) {
1574 if (output->x <= x && x < output->x + output->current->width)
1577 if (output->y <= y && y < output->y + output->current->height)
1580 /* FIXME: calculate this only on output addition/deletion */
1581 if (output->x < min_x)
1583 if (output->y < min_y)
1586 if (output->x + output->current->width > max_x)
1587 max_x = output->x + output->current->width - 1;
1588 if (output->y + output->current->height > max_y)
1589 max_y = output->y + output->current->height - 1;
1595 else if (x >= max_x)
1601 else if (y >= max_y)
1610 notify_motion(struct wl_input_device *device, uint32_t time, GLfloat x, GLfloat y)
1612 const struct wl_pointer_grab_interface *interface;
1613 struct weston_input_device *wd = (struct weston_input_device *) device;
1614 struct weston_compositor *ec = wd->compositor;
1615 struct weston_output *output;
1617 weston_compositor_activity(ec);
1619 clip_pointer_motion(ec, &x, &y);
1621 weston_input_update_drag_surface(device,
1622 x - device->x, y - device->y);
1624 device->x = wl_fixed_from_double(x);
1625 device->y = wl_fixed_from_double(y);
1627 wl_list_for_each(output, &ec->output_list, link)
1628 if (output->zoom.active &&
1629 pixman_region32_contains_point(&output->region, x, y, NULL))
1630 weston_output_update_zoom(output, x, y);
1632 weston_device_repick(device);
1633 interface = device->pointer_grab->interface;
1634 interface->motion(device->pointer_grab, time,
1635 device->pointer_grab->x, device->pointer_grab->y);
1637 x = wl_fixed_to_double(device->x);
1638 y = wl_fixed_to_double(device->y);
1641 weston_surface_set_position(wd->sprite,
1644 weston_compositor_schedule_repaint(ec);
1649 weston_surface_activate(struct weston_surface *surface,
1650 struct weston_input_device *device)
1652 struct weston_compositor *compositor = device->compositor;
1654 wl_input_device_set_keyboard_focus(&device->input_device,
1656 wl_data_device_set_keyboard_focus(&device->input_device);
1658 wl_signal_emit(&compositor->activate_signal, surface);
1662 notify_button(struct wl_input_device *device,
1663 uint32_t time, int32_t button, uint32_t state)
1665 struct weston_input_device *wd = (struct weston_input_device *) device;
1666 struct weston_compositor *compositor = wd->compositor;
1667 struct weston_surface *focus = (struct weston_surface *) device->pointer_focus;
1668 uint32_t serial = wl_display_next_serial(compositor->wl_display);
1671 if (compositor->ping_handler && focus)
1672 compositor->ping_handler(focus, serial);
1673 weston_compositor_idle_inhibit(compositor);
1674 if (device->button_count == 0) {
1675 device->grab_button = button;
1676 device->grab_time = time;
1677 device->grab_x = device->x;
1678 device->grab_y = device->y;
1680 device->button_count++;
1682 weston_compositor_idle_release(compositor);
1683 device->button_count--;
1686 weston_compositor_run_binding(compositor, wd, time, 0, button, 0, state);
1688 device->pointer_grab->interface->button(device->pointer_grab, time, button, state);
1690 if (device->button_count == 1)
1691 device->grab_serial =
1692 wl_display_get_serial(compositor->wl_display);
1696 notify_axis(struct wl_input_device *device,
1697 uint32_t time, uint32_t axis, int32_t value)
1699 struct weston_input_device *wd = (struct weston_input_device *) device;
1700 struct weston_compositor *compositor = wd->compositor;
1701 struct weston_surface *focus = (struct weston_surface *) device->pointer_focus;
1702 uint32_t serial = wl_display_next_serial(compositor->wl_display);
1704 if (compositor->ping_handler && focus)
1705 compositor->ping_handler(focus, serial);
1707 weston_compositor_activity(compositor);
1710 weston_compositor_run_binding(compositor, wd,
1711 time, 0, 0, axis, value);
1715 if (device->pointer_focus_resource)
1716 wl_resource_post_event(device->pointer_focus_resource,
1717 WL_INPUT_DEVICE_AXIS, time, axis, value);
1721 update_modifier_state(struct weston_input_device *device,
1722 uint32_t key, uint32_t state)
1729 modifier = MODIFIER_CTRL;
1734 modifier = MODIFIER_ALT;
1739 modifier = MODIFIER_SUPER;
1748 device->modifier_state |= modifier;
1750 device->modifier_state &= ~modifier;
1754 notify_key(struct wl_input_device *device,
1755 uint32_t time, uint32_t key, uint32_t state)
1757 struct weston_input_device *wd = (struct weston_input_device *) device;
1758 struct weston_compositor *compositor = wd->compositor;
1759 struct weston_surface *focus = (struct weston_surface *) device->pointer_focus;
1760 uint32_t serial = wl_display_next_serial(compositor->wl_display);
1764 if (compositor->ping_handler && focus)
1765 compositor->ping_handler(focus, serial);
1767 weston_compositor_idle_inhibit(compositor);
1768 device->grab_key = key;
1769 device->grab_time = time;
1771 weston_compositor_idle_release(compositor);
1774 update_modifier_state(wd, key, state);
1775 end = device->keys.data + device->keys.size;
1776 for (k = device->keys.data; k < end; k++) {
1780 device->keys.size = (void *) end - device->keys.data;
1782 k = wl_array_add(&device->keys, sizeof *k);
1786 if (device->keyboard_grab == &device->default_keyboard_grab)
1787 weston_compositor_run_binding(compositor, wd,
1788 time, key, 0, 0, state);
1790 device->keyboard_grab->interface->key(device->keyboard_grab,
1795 notify_pointer_focus(struct wl_input_device *device,
1796 struct weston_output *output, GLfloat x, GLfloat y)
1798 struct weston_input_device *wd = (struct weston_input_device *) device;
1799 struct weston_compositor *compositor = wd->compositor;
1802 weston_input_update_drag_surface(device,
1803 x - wl_fixed_to_double(device->x),
1804 y - wl_fixed_to_double(device->y));
1806 device->x = wl_fixed_from_double(x);
1807 device->y = wl_fixed_from_double(y);
1808 compositor->focus = 1;
1809 weston_compositor_repick(compositor);
1811 compositor->focus = 0;
1812 weston_compositor_repick(compositor);
1817 destroy_device_saved_kbd_focus(struct wl_listener *listener, void *data)
1819 struct weston_input_device *wd;
1821 wd = container_of(listener, struct weston_input_device,
1822 saved_kbd_focus_listener);
1824 wd->saved_kbd_focus = NULL;
1828 notify_keyboard_focus(struct wl_input_device *device, struct wl_array *keys)
1830 struct weston_input_device *wd =
1831 (struct weston_input_device *) device;
1832 struct weston_compositor *compositor = wd->compositor;
1833 struct wl_surface *surface;
1837 wl_array_copy(&wd->input_device.keys, keys);
1838 wd->modifier_state = 0;
1839 wl_array_for_each(k, &device->keys) {
1840 weston_compositor_idle_inhibit(compositor);
1841 update_modifier_state(wd, *k, 1);
1844 surface = wd->saved_kbd_focus;
1847 wl_list_remove(&wd->saved_kbd_focus_listener.link);
1848 wl_input_device_set_keyboard_focus(&wd->input_device,
1850 wd->saved_kbd_focus = NULL;
1853 wl_array_for_each(k, &device->keys)
1854 weston_compositor_idle_release(compositor);
1856 wd->modifier_state = 0;
1858 surface = wd->input_device.keyboard_focus;
1861 wd->saved_kbd_focus = surface;
1862 wd->saved_kbd_focus_listener.notify =
1863 destroy_device_saved_kbd_focus;
1864 wl_signal_add(&surface->resource.destroy_signal,
1865 &wd->saved_kbd_focus_listener);
1868 wl_input_device_set_keyboard_focus(&wd->input_device, NULL);
1869 /* FIXME: We really need keyboard grab cancel here to
1870 * let the grab shut down properly. As it is we leak
1872 wl_input_device_end_keyboard_grab(&wd->input_device);
1877 lose_touch_focus_resource(struct wl_listener *listener, void *data)
1879 struct weston_input_device *device =
1880 container_of(listener, struct weston_input_device,
1881 touch_focus_resource_listener);
1883 device->touch_focus_resource = NULL;
1887 lose_touch_focus(struct wl_listener *listener, void *data)
1889 struct weston_input_device *device =
1890 container_of(listener, struct weston_input_device,
1891 touch_focus_listener);
1893 device->touch_focus = NULL;
1897 touch_set_focus(struct weston_input_device *device,
1898 struct wl_surface *surface)
1900 struct wl_input_device *input_device = &device->input_device;
1901 struct wl_resource *resource;
1903 if (device->touch_focus == surface)
1908 find_resource_for_client(&input_device->resource_list,
1909 surface->resource.client);
1911 fprintf(stderr, "couldn't find resource\n");
1915 device->touch_focus_resource_listener.notify =
1916 lose_touch_focus_resource;
1917 wl_signal_add(&resource->destroy_signal,
1918 &device->touch_focus_resource_listener);
1919 device->touch_focus_listener.notify = lose_touch_focus;
1920 wl_signal_add(&surface->resource.destroy_signal,
1921 &device->touch_focus_listener);
1923 device->touch_focus = surface;
1924 device->touch_focus_resource = resource;
1926 if (device->touch_focus)
1927 wl_list_remove(&device->touch_focus_listener.link);
1928 if (device->touch_focus_resource)
1929 wl_list_remove(&device->touch_focus_resource_listener.link);
1930 device->touch_focus = NULL;
1931 device->touch_focus_resource = NULL;
1936 * notify_touch - emulates button touches and notifies surfaces accordingly.
1938 * It assumes always the correct cycle sequence until it gets here: touch_down
1939 * → touch_update → ... → touch_update → touch_end. The driver is responsible
1940 * for sending along such order.
1944 notify_touch(struct wl_input_device *device, uint32_t time, int touch_id,
1945 GLfloat x, GLfloat y, int touch_type)
1947 struct weston_input_device *wd = (struct weston_input_device *) device;
1948 struct weston_compositor *ec = wd->compositor;
1949 struct weston_surface *es;
1950 wl_fixed_t fx, fy, sx, sy;
1951 uint32_t serial = 0;
1953 fx = wl_fixed_from_double(x);
1954 fy = wl_fixed_from_double(y);
1956 switch (touch_type) {
1957 case WL_INPUT_DEVICE_TOUCH_DOWN:
1958 weston_compositor_idle_inhibit(ec);
1962 /* the first finger down picks the surface, and all further go
1963 * to that surface for the remainder of the touch session i.e.
1964 * until all touch points are up again. */
1965 if (wd->num_tp == 1) {
1966 es = weston_compositor_pick_surface(ec, fx, fy, &sx, &sy);
1967 touch_set_focus(wd, &es->surface);
1968 } else if (wd->touch_focus) {
1969 es = (struct weston_surface *) wd->touch_focus;
1970 weston_surface_from_global_fixed(es, fx, fy, &sx, &sy);
1973 if (wd->touch_focus_resource && wd->touch_focus)
1974 wl_input_device_send_touch_down(wd->touch_focus_resource,
1976 &wd->touch_focus->resource,
1979 case WL_INPUT_DEVICE_TOUCH_MOTION:
1980 es = (struct weston_surface *) wd->touch_focus;
1984 weston_surface_from_global_fixed(es, fx, fy, &sx, &sy);
1985 if (wd->touch_focus_resource)
1986 wl_input_device_send_touch_motion(wd->touch_focus_resource,
1987 time, touch_id, sx, sy);
1989 case WL_INPUT_DEVICE_TOUCH_UP:
1990 weston_compositor_idle_release(ec);
1993 if (wd->touch_focus_resource)
1994 wl_input_device_send_touch_up(wd->touch_focus_resource,
1995 serial, time, touch_id);
1996 if (wd->num_tp == 0)
1997 touch_set_focus(wd, NULL);
2003 input_device_attach(struct wl_client *client,
2004 struct wl_resource *resource,
2006 struct wl_resource *buffer_resource, int32_t x, int32_t y)
2008 struct weston_input_device *device = resource->data;
2009 struct weston_compositor *compositor = device->compositor;
2010 struct wl_buffer *buffer = NULL;
2012 if (serial < device->input_device.pointer_focus_serial)
2014 if (device->input_device.pointer_focus == NULL)
2016 if (device->input_device.pointer_focus->resource.client != client)
2019 if (buffer_resource)
2020 buffer = buffer_resource->data;
2022 weston_surface_attach(&device->sprite->surface, buffer);
2023 empty_region(&device->sprite->input);
2028 if (!weston_surface_is_mapped(device->sprite)) {
2029 wl_list_insert(&compositor->cursor_layer.surface_list,
2030 &device->sprite->layer_link);
2031 weston_surface_assign_output(device->sprite);
2035 device->hotspot_x = x;
2036 device->hotspot_y = y;
2037 weston_surface_configure(device->sprite,
2038 device->input_device.x - device->hotspot_x,
2039 device->input_device.y - device->hotspot_y,
2040 buffer->width, buffer->height);
2042 surface_damage(NULL, &device->sprite->surface.resource,
2043 0, 0, buffer->width, buffer->height);
2046 static const struct wl_input_device_interface input_device_interface = {
2047 input_device_attach,
2051 handle_drag_surface_destroy(struct wl_listener *listener, void *data)
2053 struct weston_input_device *device;
2055 device = container_of(listener, struct weston_input_device,
2056 drag_surface_destroy_listener);
2058 device->drag_surface = NULL;
2061 static void unbind_resource(struct wl_resource *resource)
2063 wl_list_remove(&resource->link);
2068 bind_input_device(struct wl_client *client,
2069 void *data, uint32_t version, uint32_t id)
2071 struct wl_input_device *device = data;
2072 struct wl_resource *resource;
2074 resource = wl_client_add_object(client, &wl_input_device_interface,
2075 &input_device_interface, id, data);
2076 wl_list_insert(&device->resource_list, &resource->link);
2077 resource->destroy = unbind_resource;
2081 device_handle_new_drag_icon(struct wl_listener *listener, void *data)
2083 struct weston_input_device *device;
2085 device = container_of(listener, struct weston_input_device,
2086 new_drag_icon_listener);
2088 weston_input_update_drag_surface(&device->input_device, 0, 0);
2092 weston_input_device_init(struct weston_input_device *device,
2093 struct weston_compositor *ec)
2095 wl_input_device_init(&device->input_device);
2097 wl_display_add_global(ec->wl_display, &wl_input_device_interface,
2098 device, bind_input_device);
2100 device->sprite = weston_surface_create(ec);
2101 device->sprite->surface.resource.data = device->sprite;
2103 device->compositor = ec;
2104 device->hotspot_x = 16;
2105 device->hotspot_y = 16;
2106 device->modifier_state = 0;
2109 device->drag_surface_destroy_listener.notify =
2110 handle_drag_surface_destroy;
2112 wl_list_insert(ec->input_device_list.prev, &device->link);
2114 device->new_drag_icon_listener.notify = device_handle_new_drag_icon;
2115 wl_signal_add(&device->input_device.drag_icon_signal,
2116 &device->new_drag_icon_listener);
2120 weston_input_device_release(struct weston_input_device *device)
2122 wl_list_remove(&device->link);
2123 /* The global object is destroyed at wl_display_destroy() time. */
2126 destroy_surface(&device->sprite->surface.resource);
2128 wl_input_device_release(&device->input_device);
2132 drag_surface_configure(struct weston_surface *es, int32_t sx, int32_t sy)
2134 weston_surface_configure(es,
2135 es->geometry.x + sx, es->geometry.y + sy,
2136 es->buffer->width, es->buffer->height);
2140 device_setup_new_drag_surface(struct weston_input_device *device,
2141 struct weston_surface *surface)
2143 struct wl_input_device *input_device = &device->input_device;
2145 if (surface->configure) {
2146 wl_resource_post_error(&surface->surface.resource,
2147 WL_DISPLAY_ERROR_INVALID_OBJECT,
2148 "surface->configure already set");
2152 device->drag_surface = surface;
2154 weston_surface_set_position(device->drag_surface,
2155 wl_fixed_to_double(input_device->x),
2156 wl_fixed_to_double(input_device->y));
2158 surface->configure = drag_surface_configure;
2160 wl_signal_add(&surface->surface.resource.destroy_signal,
2161 &device->drag_surface_destroy_listener);
2167 device_release_drag_surface(struct weston_input_device *device)
2169 device->drag_surface->configure = NULL;
2170 undef_region(&device->drag_surface->input);
2171 wl_list_remove(&device->drag_surface_destroy_listener.link);
2172 device->drag_surface = NULL;
2176 device_map_drag_surface(struct weston_input_device *device)
2178 if (weston_surface_is_mapped(device->drag_surface) ||
2179 !device->drag_surface->buffer)
2182 wl_list_insert(&device->sprite->layer_link,
2183 &device->drag_surface->layer_link);
2184 weston_surface_assign_output(device->drag_surface);
2185 empty_region(&device->drag_surface->input);
2189 weston_input_update_drag_surface(struct wl_input_device *input_device,
2192 int surface_changed = 0;
2193 struct weston_input_device *device = (struct weston_input_device *)
2196 if (!device->drag_surface && !input_device->drag_surface)
2199 if (device->drag_surface && input_device->drag_surface &&
2200 (&device->drag_surface->surface.resource !=
2201 &input_device->drag_surface->resource))
2202 /* between calls to this funcion we got a new drag_surface */
2203 surface_changed = 1;
2205 if (!input_device->drag_surface || surface_changed) {
2206 device_release_drag_surface(device);
2207 if (!surface_changed)
2211 if (!device->drag_surface || surface_changed) {
2212 struct weston_surface *surface = (struct weston_surface *)
2213 input_device->drag_surface;
2214 if (!device_setup_new_drag_surface(device, surface))
2218 /* the client may not have attached a buffer to the drag surface
2219 * when we setup it up, so check if map is needed on every update */
2220 device_map_drag_surface(device);
2222 /* the client may have attached a buffer with a different size to
2223 * the drag surface, causing the input region to be reset */
2224 if (region_is_undefined(&device->drag_surface->input))
2225 empty_region(&device->drag_surface->input);
2230 weston_surface_set_position(device->drag_surface,
2231 device->drag_surface->geometry.x + dx,
2232 device->drag_surface->geometry.y + dy);
2236 weston_compositor_update_drag_surfaces(struct weston_compositor *compositor)
2238 weston_input_update_drag_surface(compositor->input_device, 0, 0);
2242 bind_output(struct wl_client *client,
2243 void *data, uint32_t version, uint32_t id)
2245 struct weston_output *output = data;
2246 struct weston_mode *mode;
2247 struct wl_resource *resource;
2249 resource = wl_client_add_object(client,
2250 &wl_output_interface, NULL, id, data);
2252 wl_list_insert(&output->resource_list, &resource->link);
2253 resource->destroy = unbind_resource;
2255 wl_output_send_geometry(resource,
2261 output->make, output->model);
2263 wl_list_for_each (mode, &output->mode_list, link) {
2264 wl_output_send_mode(resource,
2272 static const char vertex_shader[] =
2273 "uniform mat4 proj;\n"
2274 "attribute vec2 position;\n"
2275 "attribute vec2 texcoord;\n"
2276 "varying vec2 v_texcoord;\n"
2279 " gl_Position = proj * vec4(position, 0.0, 1.0);\n"
2280 " v_texcoord = texcoord;\n"
2283 static const char texture_fragment_shader[] =
2284 "precision mediump float;\n"
2285 "varying vec2 v_texcoord;\n"
2286 "uniform sampler2D tex;\n"
2287 "uniform float alpha;\n"
2288 "uniform float bright;\n"
2289 "uniform float saturation;\n"
2290 "uniform float texwidth;\n"
2293 " if (v_texcoord.x < 0.0 || v_texcoord.x > texwidth ||\n"
2294 " v_texcoord.y < 0.0 || v_texcoord.y > 1.0)\n"
2296 " gl_FragColor = texture2D(tex, v_texcoord)\n;"
2297 " float gray = dot(gl_FragColor.rgb, vec3(0.299, 0.587, 0.114));\n"
2298 " vec3 range = (gl_FragColor.rgb - vec3 (gray, gray, gray)) * saturation;\n"
2299 " gl_FragColor = vec4(vec3(gray + range), gl_FragColor.a);\n"
2300 " gl_FragColor = vec4(vec3(bright, bright, bright) * gl_FragColor.rgb, gl_FragColor.a);\n"
2301 " gl_FragColor = alpha * gl_FragColor;\n"
2304 static const char solid_fragment_shader[] =
2305 "precision mediump float;\n"
2306 "uniform vec4 color;\n"
2307 "uniform float alpha;\n"
2310 " gl_FragColor = alpha * color\n;"
2314 compile_shader(GLenum type, const char *source)
2320 s = glCreateShader(type);
2321 glShaderSource(s, 1, &source, NULL);
2323 glGetShaderiv(s, GL_COMPILE_STATUS, &status);
2325 glGetShaderInfoLog(s, sizeof msg, NULL, msg);
2326 fprintf(stderr, "shader info: %s\n", msg);
2334 weston_shader_init(struct weston_shader *shader,
2335 const char *vertex_source, const char *fragment_source)
2340 shader->vertex_shader =
2341 compile_shader(GL_VERTEX_SHADER, vertex_source);
2342 shader->fragment_shader =
2343 compile_shader(GL_FRAGMENT_SHADER, fragment_source);
2345 shader->program = glCreateProgram();
2346 glAttachShader(shader->program, shader->vertex_shader);
2347 glAttachShader(shader->program, shader->fragment_shader);
2348 glBindAttribLocation(shader->program, 0, "position");
2349 glBindAttribLocation(shader->program, 1, "texcoord");
2351 glLinkProgram(shader->program);
2352 glGetProgramiv(shader->program, GL_LINK_STATUS, &status);
2354 glGetProgramInfoLog(shader->program, sizeof msg, NULL, msg);
2355 fprintf(stderr, "link info: %s\n", msg);
2359 shader->proj_uniform = glGetUniformLocation(shader->program, "proj");
2360 shader->tex_uniform = glGetUniformLocation(shader->program, "tex");
2361 shader->alpha_uniform = glGetUniformLocation(shader->program, "alpha");
2362 shader->brightness_uniform = glGetUniformLocation(shader->program, "bright");
2363 shader->saturation_uniform = glGetUniformLocation(shader->program, "saturation");
2364 shader->color_uniform = glGetUniformLocation(shader->program, "color");
2365 shader->texwidth_uniform = glGetUniformLocation(shader->program,
2372 weston_output_destroy(struct weston_output *output)
2374 struct weston_compositor *c = output->compositor;
2376 pixman_region32_fini(&output->region);
2377 pixman_region32_fini(&output->previous_damage);
2378 output->compositor->output_id_pool &= ~(1 << output->id);
2380 wl_display_remove_global(c->wl_display, output->global);
2384 weston_output_update_zoom(struct weston_output *output, int x, int y)
2388 if (output->zoom.level <= 0)
2391 output->zoom.magnification = 1 / output->zoom.level;
2392 ratio = 1 - (1 / output->zoom.magnification);
2394 output->zoom.trans_x = (((float)(x - output->x) / output->current->width) * (ratio * 2)) - ratio;
2395 output->zoom.trans_y = (((float)(y - output->y) / output->current->height) * (ratio * 2)) - ratio;
2398 weston_output_damage(output);
2402 weston_output_update_matrix(struct weston_output *output)
2405 struct weston_matrix camera;
2406 struct weston_matrix modelview;
2408 weston_matrix_init(&output->matrix);
2409 weston_matrix_translate(&output->matrix,
2410 -(output->x + (output->border.right + output->current->width - output->border.left) / 2.0),
2411 -(output->y + (output->border.bottom + output->current->height - output->border.top) / 2.0), 0);
2413 flip = (output->flags & WL_OUTPUT_FLIPPED) ? -1 : 1;
2414 weston_matrix_scale(&output->matrix,
2415 2.0 / (output->current->width + output->border.left + output->border.right),
2416 flip * 2.0 / (output->current->height + output->border.top + output->border.bottom), 1);
2417 if (output->zoom.active) {
2418 weston_matrix_init(&camera);
2419 weston_matrix_init(&modelview);
2420 weston_matrix_translate(&camera, output->zoom.trans_x, flip * output->zoom.trans_y, 0);
2421 weston_matrix_invert(&modelview, &camera);
2422 weston_matrix_scale(&modelview, output->zoom.magnification, output->zoom.magnification, 1.0);
2423 weston_matrix_multiply(&output->matrix, &modelview);
2430 weston_output_move(struct weston_output *output, int x, int y)
2435 pixman_region32_init(&output->previous_damage);
2436 pixman_region32_init_rect(&output->region, x, y,
2437 output->current->width,
2438 output->current->height);
2442 weston_output_init(struct weston_output *output, struct weston_compositor *c,
2443 int x, int y, int width, int height, uint32_t flags)
2445 output->compositor = c;
2448 output->border.top = 0;
2449 output->border.bottom = 0;
2450 output->border.left = 0;
2451 output->border.right = 0;
2452 output->mm_width = width;
2453 output->mm_height = height;
2455 wl_list_init(&output->read_pixels_list);
2457 output->zoom.active = 0;
2458 output->zoom.increment = 0.05;
2459 output->zoom.level = 1.0;
2460 output->zoom.magnification = 1.0;
2461 output->zoom.trans_x = 0.0;
2462 output->zoom.trans_y = 0.0;
2464 output->flags = flags;
2465 weston_output_move(output, x, y);
2466 weston_output_damage(output);
2468 wl_list_init(&output->frame_callback_list);
2469 wl_list_init(&output->resource_list);
2471 output->id = ffs(~output->compositor->output_id_pool) - 1;
2472 output->compositor->output_id_pool |= 1 << output->id;
2475 wl_display_add_global(c->wl_display, &wl_output_interface,
2476 output, bind_output);
2480 weston_output_do_read_pixels(struct weston_output *output)
2482 struct weston_read_pixels *r, *next;
2484 glPixelStorei(GL_PACK_ALIGNMENT, 1);
2485 wl_list_for_each_safe(r, next, &output->read_pixels_list, link) {
2486 glReadPixels(r->x, r->y, r->width, r->height,
2487 output->compositor->read_format,
2488 GL_UNSIGNED_BYTE, r->data);
2494 compositor_bind(struct wl_client *client,
2495 void *data, uint32_t version, uint32_t id)
2497 struct weston_compositor *compositor = data;
2499 wl_client_add_object(client, &wl_compositor_interface,
2500 &compositor_interface, id, compositor);
2504 weston_compositor_init(struct weston_compositor *ec, struct wl_display *display)
2506 struct wl_event_loop *loop;
2507 const char *extensions;
2509 ec->wl_display = display;
2510 wl_signal_init(&ec->destroy_signal);
2511 wl_signal_init(&ec->activate_signal);
2512 wl_signal_init(&ec->lock_signal);
2513 wl_signal_init(&ec->unlock_signal);
2514 ec->launcher_sock = weston_environment_get_fd("WESTON_LAUNCHER_SOCK");
2516 ec->output_id_pool = 0;
2518 if (!wl_display_add_global(display, &wl_compositor_interface,
2519 ec, compositor_bind))
2522 wl_display_init_shm(display);
2524 ec->image_target_texture_2d =
2525 (void *) eglGetProcAddress("glEGLImageTargetTexture2DOES");
2526 ec->image_target_renderbuffer_storage = (void *)
2527 eglGetProcAddress("glEGLImageTargetRenderbufferStorageOES");
2528 ec->create_image = (void *) eglGetProcAddress("eglCreateImageKHR");
2529 ec->destroy_image = (void *) eglGetProcAddress("eglDestroyImageKHR");
2531 (void *) eglGetProcAddress("eglBindWaylandDisplayWL");
2532 ec->unbind_display =
2533 (void *) eglGetProcAddress("eglUnbindWaylandDisplayWL");
2535 extensions = (const char *) glGetString(GL_EXTENSIONS);
2537 fprintf(stderr, "Retrieving GL extension string failed.\n");
2541 if (!strstr(extensions, "GL_EXT_texture_format_BGRA8888")) {
2543 "GL_EXT_texture_format_BGRA8888 not available\n");
2547 if (strstr(extensions, "GL_EXT_read_format_bgra"))
2548 ec->read_format = GL_BGRA_EXT;
2550 ec->read_format = GL_RGBA;
2552 if (strstr(extensions, "GL_EXT_unpack_subimage"))
2553 ec->has_unpack_subimage = 1;
2556 (const char *) eglQueryString(ec->display, EGL_EXTENSIONS);
2558 fprintf(stderr, "Retrieving EGL extension string failed.\n");
2562 if (strstr(extensions, "EGL_WL_bind_wayland_display"))
2563 ec->has_bind_display = 1;
2564 if (ec->has_bind_display)
2565 ec->bind_display(ec->display, ec->wl_display);
2567 wl_list_init(&ec->surface_list);
2568 wl_list_init(&ec->layer_list);
2569 wl_list_init(&ec->input_device_list);
2570 wl_list_init(&ec->output_list);
2571 wl_list_init(&ec->binding_list);
2572 wl_list_init(&ec->animation_list);
2573 weston_spring_init(&ec->fade.spring, 30.0, 1.0, 1.0);
2574 ec->fade.animation.frame = fade_frame;
2575 wl_list_init(&ec->fade.animation.link);
2577 weston_layer_init(&ec->fade_layer, &ec->layer_list);
2578 weston_layer_init(&ec->cursor_layer, &ec->fade_layer.link);
2580 screenshooter_create(ec);
2582 ec->ping_handler = NULL;
2584 wl_data_device_manager_init(ec->wl_display);
2586 glActiveTexture(GL_TEXTURE0);
2588 if (weston_shader_init(&ec->texture_shader,
2589 vertex_shader, texture_fragment_shader) < 0)
2591 if (weston_shader_init(&ec->solid_shader,
2592 vertex_shader, solid_fragment_shader) < 0)
2595 loop = wl_display_get_event_loop(ec->wl_display);
2596 ec->idle_source = wl_event_loop_add_timer(loop, idle_handler, ec);
2597 wl_event_source_timer_update(ec->idle_source, ec->idle_time * 1000);
2599 ec->input_loop = wl_event_loop_create();
2601 weston_compositor_schedule_repaint(ec);
2607 weston_compositor_shutdown(struct weston_compositor *ec)
2609 struct weston_output *output, *next;
2611 wl_event_source_remove(ec->idle_source);
2612 if (ec->input_loop_source)
2613 wl_event_source_remove(ec->input_loop_source);
2615 /* Destroy all outputs associated with this compositor */
2616 wl_list_for_each_safe(output, next, &ec->output_list, link)
2617 output->destroy(output);
2619 weston_binding_list_destroy_all(&ec->binding_list);
2621 wl_array_release(&ec->vertices);
2622 wl_array_release(&ec->indices);
2624 wl_event_loop_destroy(ec->input_loop);
2627 static int weston_compositor_xkb_init(struct weston_compositor *ec,
2628 struct xkb_rule_names *names)
2630 ec->xkb_info.context = xkb_context_new();
2631 if (ec->xkb_info.context == NULL) {
2632 fprintf(stderr, "failed to create XKB context\n");
2636 ec->xkb_info.names = *names;
2637 if (!ec->xkb_info.names.rules)
2638 ec->xkb_info.names.rules = strdup("evdev");
2639 if (!ec->xkb_info.names.model)
2640 ec->xkb_info.names.model = strdup("pc105");
2641 if (!ec->xkb_info.names.layout)
2642 ec->xkb_info.names.layout = strdup("us");
2644 ec->xkb_info.keymap = xkb_map_new_from_names(ec->xkb_info.context,
2645 &ec->xkb_info.names);
2646 if (ec->xkb_info.keymap == NULL) {
2647 fprintf(stderr, "failed to compile XKB keymap\n");
2651 ec->xkb_info.state = xkb_state_new(ec->xkb_info.keymap);
2652 if (ec->xkb_info.state == NULL) {
2653 fprintf(stderr, "failed to initialise XKB state\n");
2660 static void weston_compositor_xkb_destroy(struct weston_compositor *ec)
2662 xkb_state_unref(ec->xkb_info.state);
2663 xkb_map_unref(ec->xkb_info.keymap);
2664 xkb_context_unref(ec->xkb_info.context);
2666 free(ec->xkb_info.names.rules);
2667 free(ec->xkb_info.names.model);
2668 free(ec->xkb_info.names.layout);
2669 free(ec->xkb_info.names.variant);
2670 free(ec->xkb_info.names.options);
2673 static int on_term_signal(int signal_number, void *data)
2675 struct wl_display *display = data;
2677 fprintf(stderr, "caught signal %d\n", signal_number);
2678 wl_display_terminate(display);
2684 on_segv_signal(int s, siginfo_t *siginfo, void *context)
2690 fprintf(stderr, "caught segv\n");
2692 count = backtrace(buffer, ARRAY_LENGTH(buffer));
2693 for (i = 0; i < count; i++) {
2694 dladdr(buffer[i], &info);
2695 fprintf(stderr, " [%016lx] %s (%s)\n",
2697 info.dli_sname ? info.dli_sname : "--",
2701 longjmp(segv_jmp_buf, 1);
2706 load_module(const char *name, const char *entrypoint, void **handle)
2708 char path[PATH_MAX];
2709 void *module, *init;
2712 snprintf(path, sizeof path, MODULEDIR "/%s", name);
2714 snprintf(path, sizeof path, "%s", name);
2716 module = dlopen(path, RTLD_LAZY);
2719 "failed to load module '%s': %s\n", path, dlerror());
2723 init = dlsym(module, entrypoint);
2726 "failed to lookup init function in '%s': %s\n",
2734 int main(int argc, char *argv[])
2736 struct wl_display *display;
2737 struct weston_compositor *ec;
2738 struct wl_event_source *signals[4];
2739 struct wl_event_loop *loop;
2740 struct sigaction segv_action;
2741 void *shell_module, *backend_module, *xserver_module;
2742 int (*module_init)(struct weston_compositor *ec);
2743 struct weston_compositor
2744 *(*backend_init)(struct wl_display *display,
2745 int argc, char *argv[]);
2747 char *backend = NULL;
2749 char *module = NULL;
2750 int32_t idle_time = 300;
2751 int32_t xserver = 0;
2752 char *socket_name = NULL;
2754 struct xkb_rule_names xkb_names;
2756 const struct config_key shell_config_keys[] = {
2757 { "type", CONFIG_KEY_STRING, &shell },
2760 const struct config_key keyboard_config_keys[] = {
2761 { "keymap_rules", CONFIG_KEY_STRING, &xkb_names.rules },
2762 { "keymap_model", CONFIG_KEY_STRING, &xkb_names.model },
2763 { "keymap_layout", CONFIG_KEY_STRING, &xkb_names.layout },
2764 { "keymap_variant", CONFIG_KEY_STRING, &xkb_names.variant },
2765 { "keymap_options", CONFIG_KEY_STRING, &xkb_names.options },
2768 const struct config_section cs[] = {
2770 shell_config_keys, ARRAY_LENGTH(shell_config_keys) },
2772 keyboard_config_keys, ARRAY_LENGTH(keyboard_config_keys) },
2775 const struct weston_option core_options[] = {
2776 { WESTON_OPTION_STRING, "backend", 'B', &backend },
2777 { WESTON_OPTION_STRING, "socket", 'S', &socket_name },
2778 { WESTON_OPTION_INTEGER, "idle-time", 'i', &idle_time },
2779 { WESTON_OPTION_BOOLEAN, "xserver", 0, &xserver },
2780 { WESTON_OPTION_STRING, "module", 0, &module },
2783 memset(&xkb_names, 0, sizeof(xkb_names));
2785 argc = parse_options(core_options,
2786 ARRAY_LENGTH(core_options), argc, argv);
2788 display = wl_display_create();
2790 loop = wl_display_get_event_loop(display);
2791 signals[0] = wl_event_loop_add_signal(loop, SIGTERM, on_term_signal,
2793 signals[1] = wl_event_loop_add_signal(loop, SIGINT, on_term_signal,
2795 signals[2] = wl_event_loop_add_signal(loop, SIGQUIT, on_term_signal,
2798 wl_list_init(&child_process_list);
2799 signals[3] = wl_event_loop_add_signal(loop, SIGCHLD, sigchld_handler,
2802 segv_action.sa_flags = SA_SIGINFO | SA_RESETHAND;
2803 segv_action.sa_sigaction = on_segv_signal;
2804 sigemptyset(&segv_action.sa_mask);
2805 sigaction(SIGSEGV, &segv_action, NULL);
2808 if (getenv("WAYLAND_DISPLAY"))
2809 backend = "wayland-backend.so";
2810 else if (getenv("DISPLAY"))
2811 backend = "x11-backend.so";
2812 else if (getenv("OPENWFD"))
2813 backend = "openwfd-backend.so";
2815 backend = "drm-backend.so";
2818 config_file = config_file_path("weston.ini");
2819 parse_config_file(config_file, cs, ARRAY_LENGTH(cs), shell);
2822 backend_init = load_module(backend, "backend_init", &backend_module);
2826 ec = backend_init(display, argc, argv);
2828 fprintf(stderr, "failed to create compositor\n");
2832 for (i = 1; argv[i]; i++)
2833 fprintf(stderr, "unhandled option: %s\n", argv[i]);
2837 if (weston_compositor_xkb_init(ec, &xkb_names) == -1) {
2838 fprintf(stderr, "failed to initialise keyboard support\n");
2842 ec->option_idle_time = idle_time;
2843 ec->idle_time = idle_time;
2847 module_init = load_module("xserver-launcher.so",
2848 "weston_xserver_init",
2850 if (module_init && module_init(ec) < 0)
2854 shell = "desktop-shell.so";
2855 module_init = load_module(shell, "shell_init", &shell_module);
2856 if (!module_init || module_init(ec) < 0)
2862 module_init = load_module(module, "module_init", NULL);
2863 if (module_init && module_init(ec) < 0)
2866 if (wl_display_add_socket(display, socket_name)) {
2867 fprintf(stderr, "failed to add socket: %m\n");
2871 weston_compositor_dpms_on(ec);
2872 weston_compositor_wake(ec);
2873 if (setjmp(segv_jmp_buf) == 0)
2874 wl_display_run(display);
2876 /* prevent further rendering while shutting down */
2877 ec->state = WESTON_COMPOSITOR_SLEEPING;
2879 wl_signal_emit(&ec->destroy_signal, ec);
2881 if (ec->has_bind_display)
2882 ec->unbind_display(ec->display, display);
2884 for (i = ARRAY_LENGTH(signals); i;)
2885 wl_event_source_remove(signals[--i]);
2887 weston_compositor_xkb_destroy(ec);
2890 wl_display_destroy(display);