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 surface_to_global_float(surface, sx, sy, x, y);
445 weston_surface_to_global_fixed(struct weston_surface *surface,
446 wl_fixed_t sx, wl_fixed_t sy,
447 wl_fixed_t *x, wl_fixed_t *y)
451 weston_surface_to_global_float(surface,
452 wl_fixed_to_double(sx),
453 wl_fixed_to_double(sy),
455 *x = wl_fixed_from_double(xf);
456 *y = wl_fixed_from_double(yf);
460 weston_surface_to_global(struct weston_surface *surface,
461 int32_t sx, int32_t sy, int32_t *x, int32_t *y)
465 weston_surface_to_global_float(surface, sx, sy, &xf, &yf);
471 surface_from_global_float(struct weston_surface *surface,
472 GLfloat x, GLfloat y, GLfloat *sx, GLfloat *sy)
474 if (surface->transform.enabled) {
475 struct weston_vector v = { { x, y, 0.0f, 1.0f } };
477 weston_matrix_transform(&surface->transform.inverse, &v);
479 if (fabsf(v.f[3]) < 1e-6) {
480 fprintf(stderr, "warning: numerical instability in "
481 "weston_surface_from_global(), divisor = %g\n",
488 *sx = v.f[0] / v.f[3];
489 *sy = v.f[1] / v.f[3];
491 *sx = x - surface->geometry.x;
492 *sy = y - surface->geometry.y;
497 weston_surface_from_global_fixed(struct weston_surface *surface,
498 wl_fixed_t x, wl_fixed_t y,
499 wl_fixed_t *sx, wl_fixed_t *sy)
503 surface_from_global_float(surface,
504 wl_fixed_to_double(x),
505 wl_fixed_to_double(y),
507 *sx = wl_fixed_from_double(sxf);
508 *sy = wl_fixed_from_double(syf);
512 weston_surface_from_global(struct weston_surface *surface,
513 int32_t x, int32_t y, int32_t *sx, int32_t *sy)
517 surface_from_global_float(surface, x, y, &sxf, &syf);
523 weston_surface_damage_rectangle(struct weston_surface *surface,
524 int32_t sx, int32_t sy,
525 int32_t width, int32_t height)
527 if (surface->transform.enabled) {
528 pixman_region32_t box;
529 surface_compute_bbox(surface, sx, sy, width, height, &box);
530 pixman_region32_union(&surface->damage, &surface->damage,
532 pixman_region32_fini(&box);
534 pixman_region32_union_rect(&surface->damage, &surface->damage,
535 surface->geometry.x + sx,
536 surface->geometry.y + sy,
540 weston_compositor_schedule_repaint(surface->compositor);
544 weston_surface_damage(struct weston_surface *surface)
546 pixman_region32_union(&surface->damage, &surface->damage,
547 &surface->transform.boundingbox);
549 weston_compositor_schedule_repaint(surface->compositor);
553 weston_surface_configure(struct weston_surface *surface,
554 GLfloat x, GLfloat y, int width, int height)
556 surface->geometry.x = x;
557 surface->geometry.y = y;
558 surface->geometry.width = width;
559 surface->geometry.height = height;
560 surface->geometry.dirty = 1;
564 weston_surface_set_position(struct weston_surface *surface,
565 GLfloat x, GLfloat y)
567 surface->geometry.x = x;
568 surface->geometry.y = y;
569 surface->geometry.dirty = 1;
573 weston_surface_is_mapped(struct weston_surface *surface)
582 weston_compositor_get_time(void)
586 gettimeofday(&tv, NULL);
588 return tv.tv_sec * 1000 + tv.tv_usec / 1000;
591 static struct weston_surface *
592 weston_compositor_pick_surface(struct weston_compositor *compositor,
593 wl_fixed_t x, wl_fixed_t y,
594 wl_fixed_t *sx, wl_fixed_t *sy)
596 struct weston_surface *surface;
598 wl_list_for_each(surface, &compositor->surface_list, link) {
599 weston_surface_from_global_fixed(surface, x, y, sx, sy);
600 if (pixman_region32_contains_point(&surface->input,
601 wl_fixed_to_int(*sx),
602 wl_fixed_to_int(*sy),
611 weston_device_repick(struct wl_input_device *device)
613 struct weston_input_device *wd = (struct weston_input_device *) device;
614 const struct wl_pointer_grab_interface *interface;
615 struct weston_surface *surface, *focus;
617 surface = weston_compositor_pick_surface(wd->compositor,
618 device->x, device->y,
622 if (&surface->surface != device->current) {
623 interface = device->pointer_grab->interface;
624 interface->focus(device->pointer_grab, &surface->surface,
625 device->current_x, device->current_y);
626 device->current = &surface->surface;
629 focus = (struct weston_surface *) device->pointer_grab->focus;
631 weston_surface_from_global_fixed(focus, device->x, device->y,
632 &device->pointer_grab->x,
633 &device->pointer_grab->y);
637 weston_compositor_repick(struct weston_compositor *compositor)
639 struct weston_input_device *device;
641 if (!compositor->focus)
644 wl_list_for_each(device, &compositor->input_device_list, link)
645 weston_device_repick(&device->input_device);
649 weston_surface_unmap(struct weston_surface *surface)
651 struct wl_input_device *device = surface->compositor->input_device;
653 weston_surface_damage_below(surface);
654 surface->output = NULL;
655 wl_list_remove(&surface->link);
656 wl_list_remove(&surface->layer_link);
658 if (device->keyboard_focus == &surface->surface)
659 wl_input_device_set_keyboard_focus(device, NULL);
660 if (device->pointer_focus == &surface->surface)
661 wl_input_device_set_pointer_focus(device, NULL,
662 wl_fixed_from_int(0),
663 wl_fixed_from_int(0));
665 weston_compositor_schedule_repaint(surface->compositor);
669 destroy_surface(struct wl_resource *resource)
671 struct weston_surface *surface =
672 container_of(resource,
673 struct weston_surface, surface.resource);
674 struct weston_compositor *compositor = surface->compositor;
676 if (weston_surface_is_mapped(surface))
677 weston_surface_unmap(surface);
679 if (surface->texture)
680 glDeleteTextures(1, &surface->texture);
683 wl_list_remove(&surface->buffer_destroy_listener.link);
685 if (surface->image != EGL_NO_IMAGE_KHR)
686 compositor->destroy_image(compositor->display,
689 pixman_region32_fini(&surface->transform.boundingbox);
690 pixman_region32_fini(&surface->damage);
691 pixman_region32_fini(&surface->opaque);
692 pixman_region32_fini(&surface->clip);
693 if (!region_is_undefined(&surface->input))
694 pixman_region32_fini(&surface->input);
700 weston_surface_destroy(struct weston_surface *surface)
702 /* Not a valid way to destroy a client surface */
703 assert(surface->surface.resource.client == NULL);
705 destroy_surface(&surface->surface.resource);
709 weston_surface_attach(struct wl_surface *surface, struct wl_buffer *buffer)
711 struct weston_surface *es = (struct weston_surface *) surface;
712 struct weston_compositor *ec = es->compositor;
715 weston_buffer_post_release(es->buffer);
716 wl_list_remove(&es->buffer_destroy_listener.link);
722 if (weston_surface_is_mapped(es))
723 weston_surface_unmap(es);
727 buffer->busy_count++;
728 wl_signal_add(&es->buffer->resource.destroy_signal,
729 &es->buffer_destroy_listener);
731 if (es->geometry.width != buffer->width ||
732 es->geometry.height != buffer->height) {
733 undef_region(&es->input);
734 pixman_region32_fini(&es->opaque);
735 pixman_region32_init(&es->opaque);
739 glGenTextures(1, &es->texture);
740 glBindTexture(GL_TEXTURE_2D, es->texture);
741 glTexParameteri(GL_TEXTURE_2D,
742 GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
743 glTexParameteri(GL_TEXTURE_2D,
744 GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
745 es->shader = &ec->texture_shader;
747 glBindTexture(GL_TEXTURE_2D, es->texture);
750 if (wl_buffer_is_shm(buffer)) {
751 es->pitch = wl_shm_buffer_get_stride(buffer) / 4;
752 glTexImage2D(GL_TEXTURE_2D, 0, GL_BGRA_EXT,
753 es->pitch, es->buffer->height, 0,
754 GL_BGRA_EXT, GL_UNSIGNED_BYTE, NULL);
756 if (es->image != EGL_NO_IMAGE_KHR)
757 ec->destroy_image(ec->display, es->image);
758 es->image = ec->create_image(ec->display, NULL,
759 EGL_WAYLAND_BUFFER_WL,
762 ec->image_target_texture_2d(GL_TEXTURE_2D, es->image);
764 es->pitch = buffer->width;
769 texture_region(struct weston_surface *es, pixman_region32_t *region)
771 struct weston_compositor *ec = es->compositor;
772 GLfloat *v, inv_width, inv_height;
774 pixman_box32_t *rectangles;
778 rectangles = pixman_region32_rectangles(region, &n);
779 v = wl_array_add(&ec->vertices, n * 16 * sizeof *v);
780 p = wl_array_add(&ec->indices, n * 6 * sizeof *p);
781 inv_width = 1.0 / es->pitch;
782 inv_height = 1.0 / es->geometry.height;
784 for (i = 0; i < n; i++, v += 16, p += 6) {
785 surface_from_global_float(es, rectangles[i].x1,
786 rectangles[i].y1, &sx, &sy);
787 v[ 0] = rectangles[i].x1;
788 v[ 1] = rectangles[i].y1;
789 v[ 2] = sx * inv_width;
790 v[ 3] = sy * inv_height;
792 surface_from_global_float(es, rectangles[i].x1,
793 rectangles[i].y2, &sx, &sy);
794 v[ 4] = rectangles[i].x1;
795 v[ 5] = rectangles[i].y2;
796 v[ 6] = sx * inv_width;
797 v[ 7] = sy * inv_height;
799 surface_from_global_float(es, rectangles[i].x2,
800 rectangles[i].y1, &sx, &sy);
801 v[ 8] = rectangles[i].x2;
802 v[ 9] = rectangles[i].y1;
803 v[10] = sx * inv_width;
804 v[11] = sy * inv_height;
806 surface_from_global_float(es, rectangles[i].x2,
807 rectangles[i].y2, &sx, &sy);
808 v[12] = rectangles[i].x2;
809 v[13] = rectangles[i].y2;
810 v[14] = sx * inv_width;
811 v[15] = sy * inv_height;
825 weston_surface_draw(struct weston_surface *es, struct weston_output *output,
826 pixman_region32_t *damage)
828 struct weston_compositor *ec = es->compositor;
830 pixman_region32_t repaint;
834 pixman_region32_init(&repaint);
835 pixman_region32_intersect(&repaint,
836 &es->transform.boundingbox, damage);
837 pixman_region32_subtract(&repaint, &repaint, &es->clip);
839 if (!pixman_region32_not_empty(&repaint))
842 glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
845 if (ec->current_shader != es->shader) {
846 glUseProgram(es->shader->program);
847 ec->current_shader = es->shader;
850 glUniformMatrix4fv(es->shader->proj_uniform,
851 1, GL_FALSE, output->matrix.d);
852 glUniform1i(es->shader->tex_uniform, 0);
853 glUniform4fv(es->shader->color_uniform, 1, es->color);
854 glUniform1f(es->shader->alpha_uniform, es->alpha / 255.0);
855 glUniform1f(es->shader->brightness_uniform, es->brightness / 255.0);
856 glUniform1f(es->shader->saturation_uniform, es->saturation / 255.0);
857 glUniform1f(es->shader->texwidth_uniform,
858 (GLfloat)es->geometry.width / es->pitch);
860 if (es->transform.enabled || output->zoom.active)
865 n = texture_region(es, &repaint);
867 glBindTexture(GL_TEXTURE_2D, es->texture);
868 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, filter);
869 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, filter);
871 v = ec->vertices.data;
872 glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 4 * sizeof *v, &v[0]);
873 glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, 4 * sizeof *v, &v[2]);
874 glEnableVertexAttribArray(0);
875 glEnableVertexAttribArray(1);
877 glDrawElements(GL_TRIANGLES, n * 6, GL_UNSIGNED_INT, ec->indices.data);
879 glDisableVertexAttribArray(1);
880 glDisableVertexAttribArray(0);
882 ec->vertices.size = 0;
883 ec->indices.size = 0;
886 pixman_region32_fini(&repaint);
890 weston_surface_restack(struct weston_surface *surface, struct wl_list *below)
892 wl_list_remove(&surface->layer_link);
893 wl_list_insert(below, &surface->layer_link);
894 weston_surface_damage_below(surface);
895 weston_surface_damage(surface);
899 weston_compositor_damage_all(struct weston_compositor *compositor)
901 struct weston_output *output;
903 wl_list_for_each(output, &compositor->output_list, link)
904 weston_output_damage(output);
908 weston_buffer_post_release(struct wl_buffer *buffer)
910 if (--buffer->busy_count > 0)
913 assert(buffer->resource.client != NULL);
914 wl_resource_queue_event(&buffer->resource, WL_BUFFER_RELEASE);
918 weston_output_damage(struct weston_output *output)
920 struct weston_compositor *compositor = output->compositor;
922 pixman_region32_union(&compositor->damage,
923 &compositor->damage, &output->region);
924 weston_compositor_schedule_repaint(compositor);
928 fade_frame(struct weston_animation *animation,
929 struct weston_output *output, uint32_t msecs)
931 struct weston_compositor *compositor =
932 container_of(animation,
933 struct weston_compositor, fade.animation);
934 struct weston_surface *surface;
936 surface = compositor->fade.surface;
937 weston_spring_update(&compositor->fade.spring, msecs);
938 weston_surface_set_color(surface, 0.0, 0.0, 0.0,
939 compositor->fade.spring.current);
940 weston_surface_damage(surface);
942 if (weston_spring_done(&compositor->fade.spring)) {
943 compositor->fade.spring.current =
944 compositor->fade.spring.target;
945 wl_list_remove(&animation->link);
946 wl_list_init(&animation->link);
948 if (compositor->fade.spring.current < 0.001) {
949 destroy_surface(&surface->surface.resource);
950 compositor->fade.surface = NULL;
951 } else if (compositor->fade.spring.current > 0.999) {
952 compositor->state = WESTON_COMPOSITOR_SLEEPING;
953 wl_signal_emit(&compositor->lock_signal, compositor);
958 struct weston_frame_callback {
959 struct wl_resource resource;
964 weston_output_repaint(struct weston_output *output, int msecs)
966 struct weston_compositor *ec = output->compositor;
967 struct weston_surface *es;
968 struct weston_layer *layer;
969 struct weston_animation *animation, *next;
970 struct weston_frame_callback *cb, *cnext;
971 pixman_region32_t opaque, new_damage, output_damage;
972 int32_t width, height;
974 weston_compositor_update_drag_surfaces(ec);
976 width = output->current->width +
977 output->border.left + output->border.right;
978 height = output->current->height +
979 output->border.top + output->border.bottom;
980 glViewport(0, 0, width, height);
982 /* Rebuild the surface list and update surface transforms up front. */
983 wl_list_init(&ec->surface_list);
984 wl_list_for_each(layer, &ec->layer_list, link) {
985 wl_list_for_each(es, &layer->surface_list, layer_link) {
986 weston_surface_update_transform(es);
987 wl_list_insert(ec->surface_list.prev, &es->link);
991 if (output->assign_planes)
993 * This will queue flips for the fbs and sprites where
994 * applicable and clear the damage for those surfaces.
995 * The repaint loop below will repaint everything
998 output->assign_planes(output);
1000 pixman_region32_init(&new_damage);
1001 pixman_region32_init(&opaque);
1003 wl_list_for_each(es, &ec->surface_list, link) {
1004 pixman_region32_subtract(&es->damage, &es->damage, &opaque);
1005 pixman_region32_union(&new_damage, &new_damage, &es->damage);
1006 empty_region(&es->damage);
1007 pixman_region32_copy(&es->clip, &opaque);
1008 pixman_region32_union(&opaque, &opaque, &es->transform.opaque);
1011 pixman_region32_union(&ec->damage, &ec->damage, &new_damage);
1013 pixman_region32_init(&output_damage);
1014 pixman_region32_union(&output_damage,
1015 &ec->damage, &output->previous_damage);
1016 pixman_region32_copy(&output->previous_damage, &ec->damage);
1017 pixman_region32_intersect(&output_damage,
1018 &output_damage, &output->region);
1019 pixman_region32_subtract(&ec->damage, &ec->damage, &output->region);
1021 pixman_region32_fini(&opaque);
1022 pixman_region32_fini(&new_damage);
1025 weston_output_update_matrix(output);
1027 output->repaint(output, &output_damage);
1029 pixman_region32_fini(&output_damage);
1031 output->repaint_needed = 0;
1033 weston_compositor_repick(ec);
1034 wl_event_loop_dispatch(ec->input_loop, 0);
1036 wl_list_for_each_safe(cb, cnext, &output->frame_callback_list, link) {
1037 wl_callback_send_done(&cb->resource, msecs);
1038 wl_resource_destroy(&cb->resource);
1041 wl_list_for_each_safe(animation, next, &ec->animation_list, link)
1042 animation->frame(animation, output, msecs);
1046 weston_compositor_read_input(int fd, uint32_t mask, void *data)
1048 struct weston_compositor *compositor = data;
1050 wl_event_loop_dispatch(compositor->input_loop, 0);
1056 weston_output_finish_frame(struct weston_output *output, int msecs)
1058 struct weston_compositor *compositor = output->compositor;
1059 struct wl_event_loop *loop =
1060 wl_display_get_event_loop(compositor->wl_display);
1063 if (output->repaint_needed) {
1064 weston_output_repaint(output, msecs);
1068 output->repaint_scheduled = 0;
1069 if (compositor->input_loop_source)
1072 fd = wl_event_loop_get_fd(compositor->input_loop);
1073 compositor->input_loop_source =
1074 wl_event_loop_add_fd(loop, fd, WL_EVENT_READABLE,
1075 weston_compositor_read_input, compositor);
1079 idle_repaint(void *data)
1081 struct weston_output *output = data;
1083 weston_output_finish_frame(output, weston_compositor_get_time());
1087 weston_layer_init(struct weston_layer *layer, struct wl_list *below)
1089 wl_list_init(&layer->surface_list);
1090 wl_list_insert(below, &layer->link);
1094 weston_compositor_schedule_repaint(struct weston_compositor *compositor)
1096 struct weston_output *output;
1097 struct wl_event_loop *loop;
1099 if (compositor->state == WESTON_COMPOSITOR_SLEEPING)
1102 loop = wl_display_get_event_loop(compositor->wl_display);
1103 wl_list_for_each(output, &compositor->output_list, link) {
1104 output->repaint_needed = 1;
1105 if (output->repaint_scheduled)
1108 wl_event_loop_add_idle(loop, idle_repaint, output);
1109 output->repaint_scheduled = 1;
1112 if (compositor->input_loop_source) {
1113 wl_event_source_remove(compositor->input_loop_source);
1114 compositor->input_loop_source = NULL;
1119 weston_compositor_fade(struct weston_compositor *compositor, float tint)
1121 struct weston_surface *surface;
1124 done = weston_spring_done(&compositor->fade.spring);
1125 compositor->fade.spring.target = tint;
1126 if (weston_spring_done(&compositor->fade.spring))
1130 compositor->fade.spring.timestamp =
1131 weston_compositor_get_time();
1133 if (compositor->fade.surface == NULL) {
1134 surface = weston_surface_create(compositor);
1135 weston_surface_configure(surface, 0, 0, 8192, 8192);
1136 weston_surface_set_color(surface, 0.0, 0.0, 0.0, 0.0);
1137 wl_list_insert(&compositor->fade_layer.surface_list,
1138 &surface->layer_link);
1139 weston_surface_assign_output(surface);
1140 compositor->fade.surface = surface;
1141 pixman_region32_init(&surface->input);
1144 weston_surface_damage(compositor->fade.surface);
1145 if (wl_list_empty(&compositor->fade.animation.link))
1146 wl_list_insert(compositor->animation_list.prev,
1147 &compositor->fade.animation.link);
1151 surface_destroy(struct wl_client *client, struct wl_resource *resource)
1153 wl_resource_destroy(resource);
1156 static struct wl_resource *
1157 find_resource_for_client(struct wl_list *list, struct wl_client *client)
1159 struct wl_resource *r;
1161 wl_list_for_each(r, list, link) {
1162 if (r->client == client)
1170 weston_surface_update_output_mask(struct weston_surface *es, uint32_t mask)
1172 uint32_t different = es->output_mask ^ mask;
1173 uint32_t entered = mask & different;
1174 uint32_t left = es->output_mask & different;
1175 struct weston_output *output;
1176 struct wl_resource *resource;
1177 struct wl_client *client = es->surface.resource.client;
1179 if (es->surface.resource.client == NULL)
1184 es->output_mask = mask;
1185 wl_list_for_each(output, &es->compositor->output_list, link) {
1186 if (1 << output->id & different)
1188 find_resource_for_client(&output->resource_list,
1190 if (1 << output->id & entered)
1191 wl_surface_send_enter(&es->surface.resource, resource);
1192 if (1 << output->id & left)
1193 wl_surface_send_leave(&es->surface.resource, resource);
1198 weston_surface_assign_output(struct weston_surface *es)
1200 struct weston_compositor *ec = es->compositor;
1201 struct weston_output *output, *new_output;
1202 pixman_region32_t region;
1203 uint32_t max, area, mask;
1209 pixman_region32_init(®ion);
1210 wl_list_for_each(output, &ec->output_list, link) {
1211 pixman_region32_intersect(®ion, &es->transform.boundingbox,
1214 e = pixman_region32_extents(®ion);
1215 area = (e->x2 - e->x1) * (e->y2 - e->y1);
1218 mask |= 1 << output->id;
1221 new_output = output;
1225 pixman_region32_fini(®ion);
1227 es->output = new_output;
1228 weston_surface_update_output_mask(es, mask);
1230 if (!wl_list_empty(&es->frame_callback_list)) {
1231 wl_list_insert_list(new_output->frame_callback_list.prev,
1232 &es->frame_callback_list);
1233 wl_list_init(&es->frame_callback_list);
1238 surface_attach(struct wl_client *client,
1239 struct wl_resource *resource,
1240 struct wl_resource *buffer_resource, int32_t sx, int32_t sy)
1242 struct weston_surface *es = resource->data;
1243 struct wl_buffer *buffer = NULL;
1245 if (buffer_resource)
1246 buffer = buffer_resource->data;
1248 weston_surface_attach(&es->surface, buffer);
1250 if (buffer && es->configure)
1251 es->configure(es, sx, sy);
1255 texture_set_subimage(struct weston_surface *surface,
1256 int32_t x, int32_t y, int32_t width, int32_t height)
1258 glBindTexture(GL_TEXTURE_2D, surface->texture);
1260 #ifdef GL_UNPACK_ROW_LENGTH
1261 /* Mesa does not define GL_EXT_unpack_subimage */
1263 if (surface->compositor->has_unpack_subimage) {
1264 glPixelStorei(GL_UNPACK_ROW_LENGTH, surface->pitch);
1265 glPixelStorei(GL_UNPACK_SKIP_PIXELS, x);
1266 glPixelStorei(GL_UNPACK_SKIP_ROWS, y);
1268 glTexSubImage2D(GL_TEXTURE_2D, 0, x, y, width, height,
1269 GL_BGRA_EXT, GL_UNSIGNED_BYTE,
1270 wl_shm_buffer_get_data(surface->buffer));
1275 glTexImage2D(GL_TEXTURE_2D, 0, GL_BGRA_EXT,
1276 surface->pitch, surface->buffer->height, 0,
1277 GL_BGRA_EXT, GL_UNSIGNED_BYTE,
1278 wl_shm_buffer_get_data(surface->buffer));
1282 surface_damage(struct wl_client *client,
1283 struct wl_resource *resource,
1284 int32_t x, int32_t y, int32_t width, int32_t height)
1286 struct weston_surface *es = resource->data;
1288 weston_surface_damage_rectangle(es, x, y, width, height);
1290 if (es->buffer && wl_buffer_is_shm(es->buffer))
1291 texture_set_subimage(es, x, y, width, height);
1295 destroy_frame_callback(struct wl_resource *resource)
1297 struct weston_frame_callback *cb = resource->data;
1299 wl_list_remove(&cb->link);
1304 surface_frame(struct wl_client *client,
1305 struct wl_resource *resource, uint32_t callback)
1307 struct weston_frame_callback *cb;
1308 struct weston_surface *es = resource->data;
1310 cb = malloc(sizeof *cb);
1312 wl_resource_post_no_memory(resource);
1316 cb->resource.object.interface = &wl_callback_interface;
1317 cb->resource.object.id = callback;
1318 cb->resource.destroy = destroy_frame_callback;
1319 cb->resource.client = client;
1320 cb->resource.data = cb;
1322 wl_client_add_resource(client, &cb->resource);
1325 wl_list_insert(es->output->frame_callback_list.prev,
1328 wl_list_insert(es->frame_callback_list.prev, &cb->link);
1333 surface_set_opaque_region(struct wl_client *client,
1334 struct wl_resource *resource,
1335 struct wl_resource *region_resource)
1337 struct weston_surface *surface = resource->data;
1338 struct weston_region *region;
1340 pixman_region32_fini(&surface->opaque);
1342 if (region_resource) {
1343 region = region_resource->data;
1344 pixman_region32_init_rect(&surface->opaque, 0, 0,
1345 surface->geometry.width,
1346 surface->geometry.height);
1347 pixman_region32_intersect(&surface->opaque,
1348 &surface->opaque, ®ion->region);
1350 pixman_region32_init(&surface->opaque);
1353 surface->geometry.dirty = 1;
1357 surface_set_input_region(struct wl_client *client,
1358 struct wl_resource *resource,
1359 struct wl_resource *region_resource)
1361 struct weston_surface *surface = resource->data;
1362 struct weston_region *region;
1364 if (region_resource) {
1365 region = region_resource->data;
1366 pixman_region32_init_rect(&surface->input, 0, 0,
1367 surface->geometry.width,
1368 surface->geometry.height);
1369 pixman_region32_intersect(&surface->input,
1370 &surface->input, ®ion->region);
1372 pixman_region32_init_rect(&surface->input, 0, 0,
1373 surface->geometry.width,
1374 surface->geometry.height);
1377 weston_compositor_schedule_repaint(surface->compositor);
1380 static const struct wl_surface_interface surface_interface = {
1385 surface_set_opaque_region,
1386 surface_set_input_region
1390 compositor_create_surface(struct wl_client *client,
1391 struct wl_resource *resource, uint32_t id)
1393 struct weston_compositor *ec = resource->data;
1394 struct weston_surface *surface;
1396 surface = weston_surface_create(ec);
1397 if (surface == NULL) {
1398 wl_resource_post_no_memory(resource);
1402 surface->surface.resource.destroy = destroy_surface;
1404 surface->surface.resource.object.id = id;
1405 surface->surface.resource.object.interface = &wl_surface_interface;
1406 surface->surface.resource.object.implementation =
1407 (void (**)(void)) &surface_interface;
1408 surface->surface.resource.data = surface;
1410 wl_client_add_resource(client, &surface->surface.resource);
1414 destroy_region(struct wl_resource *resource)
1416 struct weston_region *region =
1417 container_of(resource, struct weston_region, resource);
1419 pixman_region32_fini(®ion->region);
1424 region_destroy(struct wl_client *client, struct wl_resource *resource)
1426 wl_resource_destroy(resource);
1430 region_add(struct wl_client *client, struct wl_resource *resource,
1431 int32_t x, int32_t y, int32_t width, int32_t height)
1433 struct weston_region *region = resource->data;
1435 pixman_region32_union_rect(®ion->region, ®ion->region,
1436 x, y, width, height);
1440 region_subtract(struct wl_client *client, struct wl_resource *resource,
1441 int32_t x, int32_t y, int32_t width, int32_t height)
1443 struct weston_region *region = resource->data;
1444 pixman_region32_t rect;
1446 pixman_region32_init_rect(&rect, x, y, width, height);
1447 pixman_region32_subtract(®ion->region, ®ion->region, &rect);
1448 pixman_region32_fini(&rect);
1451 static const struct wl_region_interface region_interface = {
1458 compositor_create_region(struct wl_client *client,
1459 struct wl_resource *resource, uint32_t id)
1461 struct weston_region *region;
1463 region = malloc(sizeof *region);
1464 if (region == NULL) {
1465 wl_resource_post_no_memory(resource);
1469 region->resource.destroy = destroy_region;
1471 region->resource.object.id = id;
1472 region->resource.object.interface = &wl_region_interface;
1473 region->resource.object.implementation =
1474 (void (**)(void)) ®ion_interface;
1475 region->resource.data = region;
1477 pixman_region32_init(®ion->region);
1479 wl_client_add_resource(client, ®ion->resource);
1482 static const struct wl_compositor_interface compositor_interface = {
1483 compositor_create_surface,
1484 compositor_create_region
1488 weston_compositor_wake(struct weston_compositor *compositor)
1490 compositor->state = WESTON_COMPOSITOR_ACTIVE;
1491 weston_compositor_fade(compositor, 0.0);
1493 wl_event_source_timer_update(compositor->idle_source,
1494 compositor->idle_time * 1000);
1498 weston_compositor_dpms_on(struct weston_compositor *compositor)
1500 struct weston_output *output;
1502 wl_list_for_each(output, &compositor->output_list, link)
1503 if (output->set_dpms)
1504 output->set_dpms(output, WESTON_DPMS_ON);
1508 weston_compositor_activity(struct weston_compositor *compositor)
1510 if (compositor->state == WESTON_COMPOSITOR_ACTIVE) {
1511 weston_compositor_wake(compositor);
1513 weston_compositor_dpms_on(compositor);
1514 wl_signal_emit(&compositor->unlock_signal, compositor);
1519 weston_compositor_idle_inhibit(struct weston_compositor *compositor)
1521 weston_compositor_activity(compositor);
1522 compositor->idle_inhibit++;
1526 weston_compositor_idle_release(struct weston_compositor *compositor)
1528 compositor->idle_inhibit--;
1529 weston_compositor_activity(compositor);
1533 idle_handler(void *data)
1535 struct weston_compositor *compositor = data;
1537 if (compositor->idle_inhibit)
1540 weston_compositor_fade(compositor, 1.0);
1546 weston_input_update_drag_surface(struct wl_input_device *input_device,
1550 clip_pointer_motion(struct weston_input_device *device,
1551 wl_fixed_t *fx, wl_fixed_t *fy)
1553 struct weston_compositor *ec = device->compositor;
1554 struct weston_output *output, *prev = NULL;
1555 int x, y, old_x, old_y, valid = 0;
1557 x = wl_fixed_to_int(*fx);
1558 y = wl_fixed_to_int(*fy);
1559 old_x = wl_fixed_to_int(device->input_device.x);
1560 old_y = wl_fixed_to_int(device->input_device.y);
1562 wl_list_for_each(output, &ec->output_list, link) {
1563 if (pixman_region32_contains_point(&output->region,
1566 if (pixman_region32_contains_point(&output->region,
1567 old_x, old_y, NULL))
1573 *fx = wl_fixed_from_int(prev->x);
1574 else if (x >= prev->x + prev->current->width)
1575 *fx = wl_fixed_from_int(prev->x +
1576 prev->current->width - 1);
1578 *fy = wl_fixed_from_int(prev->y);
1579 else if (y >= prev->y + prev->current->height)
1580 *fy = wl_fixed_from_int(prev->y +
1581 prev->current->height - 1);
1586 notify_motion(struct wl_input_device *device,
1587 uint32_t time, wl_fixed_t x, wl_fixed_t y)
1589 const struct wl_pointer_grab_interface *interface;
1590 struct weston_input_device *wd = (struct weston_input_device *) device;
1591 struct weston_compositor *ec = wd->compositor;
1592 struct weston_output *output;
1595 weston_compositor_activity(ec);
1597 clip_pointer_motion(wd, &x, &y);
1599 weston_input_update_drag_surface(device,
1600 x - device->x, y - device->y);
1605 ix = wl_fixed_to_int(x);
1606 iy = wl_fixed_to_int(y);
1608 wl_list_for_each(output, &ec->output_list, link)
1609 if (output->zoom.active &&
1610 pixman_region32_contains_point(&output->region,
1612 weston_output_update_zoom(output, x, y);
1614 weston_device_repick(device);
1615 interface = device->pointer_grab->interface;
1616 interface->motion(device->pointer_grab, time,
1617 device->pointer_grab->x, device->pointer_grab->y);
1620 weston_surface_set_position(wd->sprite,
1622 iy - wd->hotspot_y);
1623 weston_compositor_schedule_repaint(ec);
1628 weston_surface_activate(struct weston_surface *surface,
1629 struct weston_input_device *device)
1631 struct weston_compositor *compositor = device->compositor;
1633 wl_input_device_set_keyboard_focus(&device->input_device,
1635 wl_data_device_set_keyboard_focus(&device->input_device);
1637 wl_signal_emit(&compositor->activate_signal, surface);
1641 notify_button(struct wl_input_device *device,
1642 uint32_t time, int32_t button, uint32_t state)
1644 struct weston_input_device *wd = (struct weston_input_device *) device;
1645 struct weston_compositor *compositor = wd->compositor;
1646 struct weston_surface *focus = (struct weston_surface *) device->pointer_focus;
1647 uint32_t serial = wl_display_next_serial(compositor->wl_display);
1650 if (compositor->ping_handler && focus)
1651 compositor->ping_handler(focus, serial);
1652 weston_compositor_idle_inhibit(compositor);
1653 if (device->button_count == 0) {
1654 device->grab_button = button;
1655 device->grab_time = time;
1656 device->grab_x = device->x;
1657 device->grab_y = device->y;
1659 device->button_count++;
1661 weston_compositor_idle_release(compositor);
1662 device->button_count--;
1665 weston_compositor_run_binding(compositor, wd, time, 0, button, 0, state);
1667 device->pointer_grab->interface->button(device->pointer_grab, time, button, state);
1669 if (device->button_count == 1)
1670 device->grab_serial =
1671 wl_display_get_serial(compositor->wl_display);
1675 notify_axis(struct wl_input_device *device,
1676 uint32_t time, uint32_t axis, int32_t value)
1678 struct weston_input_device *wd = (struct weston_input_device *) device;
1679 struct weston_compositor *compositor = wd->compositor;
1680 struct weston_surface *focus = (struct weston_surface *) device->pointer_focus;
1681 uint32_t serial = wl_display_next_serial(compositor->wl_display);
1683 if (compositor->ping_handler && focus)
1684 compositor->ping_handler(focus, serial);
1686 weston_compositor_activity(compositor);
1689 weston_compositor_run_binding(compositor, wd,
1690 time, 0, 0, axis, value);
1694 if (device->pointer_focus_resource)
1695 wl_resource_post_event(device->pointer_focus_resource,
1696 WL_INPUT_DEVICE_AXIS, time, axis, value);
1700 update_modifier_state(struct weston_input_device *device,
1701 uint32_t key, uint32_t state)
1708 modifier = MODIFIER_CTRL;
1713 modifier = MODIFIER_ALT;
1718 modifier = MODIFIER_SUPER;
1727 device->modifier_state |= modifier;
1729 device->modifier_state &= ~modifier;
1733 notify_key(struct wl_input_device *device,
1734 uint32_t time, uint32_t key, uint32_t state)
1736 struct weston_input_device *wd = (struct weston_input_device *) device;
1737 struct weston_compositor *compositor = wd->compositor;
1738 struct weston_surface *focus = (struct weston_surface *) device->pointer_focus;
1739 uint32_t serial = wl_display_next_serial(compositor->wl_display);
1743 if (compositor->ping_handler && focus)
1744 compositor->ping_handler(focus, serial);
1746 weston_compositor_idle_inhibit(compositor);
1747 device->grab_key = key;
1748 device->grab_time = time;
1750 weston_compositor_idle_release(compositor);
1753 update_modifier_state(wd, key, state);
1754 end = device->keys.data + device->keys.size;
1755 for (k = device->keys.data; k < end; k++) {
1759 device->keys.size = (void *) end - device->keys.data;
1761 k = wl_array_add(&device->keys, sizeof *k);
1765 if (device->keyboard_grab == &device->default_keyboard_grab)
1766 weston_compositor_run_binding(compositor, wd,
1767 time, key, 0, 0, state);
1769 device->keyboard_grab->interface->key(device->keyboard_grab,
1774 notify_pointer_focus(struct wl_input_device *device,
1775 struct weston_output *output, wl_fixed_t x, wl_fixed_t y)
1777 struct weston_input_device *wd = (struct weston_input_device *) device;
1778 struct weston_compositor *compositor = wd->compositor;
1781 weston_input_update_drag_surface(device,
1782 x - device->x, y - device->y);
1786 compositor->focus = 1;
1787 weston_compositor_repick(compositor);
1789 compositor->focus = 0;
1790 weston_compositor_repick(compositor);
1795 destroy_device_saved_kbd_focus(struct wl_listener *listener, void *data)
1797 struct weston_input_device *wd;
1799 wd = container_of(listener, struct weston_input_device,
1800 saved_kbd_focus_listener);
1802 wd->saved_kbd_focus = NULL;
1806 notify_keyboard_focus(struct wl_input_device *device, struct wl_array *keys)
1808 struct weston_input_device *wd =
1809 (struct weston_input_device *) device;
1810 struct weston_compositor *compositor = wd->compositor;
1811 struct wl_surface *surface;
1815 wl_array_copy(&wd->input_device.keys, keys);
1816 wd->modifier_state = 0;
1817 wl_array_for_each(k, &device->keys) {
1818 weston_compositor_idle_inhibit(compositor);
1819 update_modifier_state(wd, *k, 1);
1822 surface = wd->saved_kbd_focus;
1825 wl_list_remove(&wd->saved_kbd_focus_listener.link);
1826 wl_input_device_set_keyboard_focus(&wd->input_device,
1828 wd->saved_kbd_focus = NULL;
1831 wl_array_for_each(k, &device->keys)
1832 weston_compositor_idle_release(compositor);
1834 wd->modifier_state = 0;
1836 surface = wd->input_device.keyboard_focus;
1839 wd->saved_kbd_focus = surface;
1840 wd->saved_kbd_focus_listener.notify =
1841 destroy_device_saved_kbd_focus;
1842 wl_signal_add(&surface->resource.destroy_signal,
1843 &wd->saved_kbd_focus_listener);
1846 wl_input_device_set_keyboard_focus(&wd->input_device, NULL);
1847 /* FIXME: We really need keyboard grab cancel here to
1848 * let the grab shut down properly. As it is we leak
1850 wl_input_device_end_keyboard_grab(&wd->input_device);
1855 lose_touch_focus_resource(struct wl_listener *listener, void *data)
1857 struct weston_input_device *device =
1858 container_of(listener, struct weston_input_device,
1859 touch_focus_resource_listener);
1861 device->touch_focus_resource = NULL;
1865 lose_touch_focus(struct wl_listener *listener, void *data)
1867 struct weston_input_device *device =
1868 container_of(listener, struct weston_input_device,
1869 touch_focus_listener);
1871 device->touch_focus = NULL;
1875 touch_set_focus(struct weston_input_device *device,
1876 struct wl_surface *surface)
1878 struct wl_input_device *input_device = &device->input_device;
1879 struct wl_resource *resource;
1881 if (device->touch_focus == surface)
1886 find_resource_for_client(&input_device->resource_list,
1887 surface->resource.client);
1889 fprintf(stderr, "couldn't find resource\n");
1893 device->touch_focus_resource_listener.notify =
1894 lose_touch_focus_resource;
1895 wl_signal_add(&resource->destroy_signal,
1896 &device->touch_focus_resource_listener);
1897 device->touch_focus_listener.notify = lose_touch_focus;
1898 wl_signal_add(&surface->resource.destroy_signal,
1899 &device->touch_focus_listener);
1901 device->touch_focus = surface;
1902 device->touch_focus_resource = resource;
1904 if (device->touch_focus)
1905 wl_list_remove(&device->touch_focus_listener.link);
1906 if (device->touch_focus_resource)
1907 wl_list_remove(&device->touch_focus_resource_listener.link);
1908 device->touch_focus = NULL;
1909 device->touch_focus_resource = NULL;
1914 * notify_touch - emulates button touches and notifies surfaces accordingly.
1916 * It assumes always the correct cycle sequence until it gets here: touch_down
1917 * → touch_update → ... → touch_update → touch_end. The driver is responsible
1918 * for sending along such order.
1922 notify_touch(struct wl_input_device *device, uint32_t time, int touch_id,
1923 wl_fixed_t x, wl_fixed_t y, int touch_type)
1925 struct weston_input_device *wd = (struct weston_input_device *) device;
1926 struct weston_compositor *ec = wd->compositor;
1927 struct weston_surface *es;
1929 uint32_t serial = 0;
1931 switch (touch_type) {
1932 case WL_INPUT_DEVICE_TOUCH_DOWN:
1933 weston_compositor_idle_inhibit(ec);
1937 /* the first finger down picks the surface, and all further go
1938 * to that surface for the remainder of the touch session i.e.
1939 * until all touch points are up again. */
1940 if (wd->num_tp == 1) {
1941 es = weston_compositor_pick_surface(ec, x, y, &sx, &sy);
1942 touch_set_focus(wd, &es->surface);
1943 } else if (wd->touch_focus) {
1944 es = (struct weston_surface *) wd->touch_focus;
1945 weston_surface_from_global_fixed(es, x, y, &sx, &sy);
1948 if (wd->touch_focus_resource && wd->touch_focus)
1949 wl_input_device_send_touch_down(wd->touch_focus_resource,
1951 &wd->touch_focus->resource,
1954 case WL_INPUT_DEVICE_TOUCH_MOTION:
1955 es = (struct weston_surface *) wd->touch_focus;
1959 weston_surface_from_global_fixed(es, x, y, &sx, &sy);
1960 if (wd->touch_focus_resource)
1961 wl_input_device_send_touch_motion(wd->touch_focus_resource,
1962 time, touch_id, sx, sy);
1964 case WL_INPUT_DEVICE_TOUCH_UP:
1965 weston_compositor_idle_release(ec);
1968 if (wd->touch_focus_resource)
1969 wl_input_device_send_touch_up(wd->touch_focus_resource,
1970 serial, time, touch_id);
1971 if (wd->num_tp == 0)
1972 touch_set_focus(wd, NULL);
1978 input_device_attach(struct wl_client *client,
1979 struct wl_resource *resource,
1981 struct wl_resource *buffer_resource, int32_t x, int32_t y)
1983 struct weston_input_device *device = resource->data;
1984 struct weston_compositor *compositor = device->compositor;
1985 struct wl_buffer *buffer = NULL;
1987 if (serial < device->input_device.pointer_focus_serial)
1989 if (device->input_device.pointer_focus == NULL)
1991 if (device->input_device.pointer_focus->resource.client != client)
1994 if (buffer_resource)
1995 buffer = buffer_resource->data;
1997 weston_surface_attach(&device->sprite->surface, buffer);
1998 empty_region(&device->sprite->input);
2003 if (!weston_surface_is_mapped(device->sprite)) {
2004 wl_list_insert(&compositor->cursor_layer.surface_list,
2005 &device->sprite->layer_link);
2006 weston_surface_assign_output(device->sprite);
2010 device->hotspot_x = x;
2011 device->hotspot_y = y;
2012 weston_surface_configure(device->sprite,
2013 wl_fixed_to_int(device->input_device.x) - x,
2014 wl_fixed_to_int(device->input_device.y) - y,
2015 buffer->width, buffer->height);
2017 surface_damage(NULL, &device->sprite->surface.resource,
2018 0, 0, buffer->width, buffer->height);
2021 static const struct wl_input_device_interface input_device_interface = {
2022 input_device_attach,
2026 handle_drag_surface_destroy(struct wl_listener *listener, void *data)
2028 struct weston_input_device *device;
2030 device = container_of(listener, struct weston_input_device,
2031 drag_surface_destroy_listener);
2033 device->drag_surface = NULL;
2036 static void unbind_resource(struct wl_resource *resource)
2038 wl_list_remove(&resource->link);
2043 bind_input_device(struct wl_client *client,
2044 void *data, uint32_t version, uint32_t id)
2046 struct wl_input_device *device = data;
2047 struct wl_resource *resource;
2049 resource = wl_client_add_object(client, &wl_input_device_interface,
2050 &input_device_interface, id, data);
2051 wl_list_insert(&device->resource_list, &resource->link);
2052 resource->destroy = unbind_resource;
2056 device_handle_new_drag_icon(struct wl_listener *listener, void *data)
2058 struct weston_input_device *device;
2060 device = container_of(listener, struct weston_input_device,
2061 new_drag_icon_listener);
2063 weston_input_update_drag_surface(&device->input_device, 0, 0);
2067 weston_input_device_init(struct weston_input_device *device,
2068 struct weston_compositor *ec)
2070 wl_input_device_init(&device->input_device);
2072 wl_display_add_global(ec->wl_display, &wl_input_device_interface,
2073 device, bind_input_device);
2075 device->sprite = weston_surface_create(ec);
2076 device->sprite->surface.resource.data = device->sprite;
2078 device->compositor = ec;
2079 device->hotspot_x = 16;
2080 device->hotspot_y = 16;
2081 device->modifier_state = 0;
2084 device->drag_surface_destroy_listener.notify =
2085 handle_drag_surface_destroy;
2087 wl_list_insert(ec->input_device_list.prev, &device->link);
2089 device->new_drag_icon_listener.notify = device_handle_new_drag_icon;
2090 wl_signal_add(&device->input_device.drag_icon_signal,
2091 &device->new_drag_icon_listener);
2095 weston_input_device_release(struct weston_input_device *device)
2097 wl_list_remove(&device->link);
2098 /* The global object is destroyed at wl_display_destroy() time. */
2101 destroy_surface(&device->sprite->surface.resource);
2103 wl_input_device_release(&device->input_device);
2107 drag_surface_configure(struct weston_surface *es, int32_t sx, int32_t sy)
2109 weston_surface_configure(es,
2110 es->geometry.x + sx, es->geometry.y + sy,
2111 es->buffer->width, es->buffer->height);
2115 device_setup_new_drag_surface(struct weston_input_device *device,
2116 struct weston_surface *surface)
2118 struct wl_input_device *input_device = &device->input_device;
2120 if (surface->configure) {
2121 wl_resource_post_error(&surface->surface.resource,
2122 WL_DISPLAY_ERROR_INVALID_OBJECT,
2123 "surface->configure already set");
2127 device->drag_surface = surface;
2129 weston_surface_set_position(device->drag_surface,
2130 wl_fixed_to_double(input_device->x),
2131 wl_fixed_to_double(input_device->y));
2133 surface->configure = drag_surface_configure;
2135 wl_signal_add(&surface->surface.resource.destroy_signal,
2136 &device->drag_surface_destroy_listener);
2142 device_release_drag_surface(struct weston_input_device *device)
2144 device->drag_surface->configure = NULL;
2145 undef_region(&device->drag_surface->input);
2146 wl_list_remove(&device->drag_surface_destroy_listener.link);
2147 device->drag_surface = NULL;
2151 device_map_drag_surface(struct weston_input_device *device)
2153 if (weston_surface_is_mapped(device->drag_surface) ||
2154 !device->drag_surface->buffer)
2157 wl_list_insert(&device->sprite->layer_link,
2158 &device->drag_surface->layer_link);
2159 weston_surface_assign_output(device->drag_surface);
2160 empty_region(&device->drag_surface->input);
2164 weston_input_update_drag_surface(struct wl_input_device *input_device,
2167 int surface_changed = 0;
2168 struct weston_input_device *device = (struct weston_input_device *)
2171 if (!device->drag_surface && !input_device->drag_surface)
2174 if (device->drag_surface && input_device->drag_surface &&
2175 (&device->drag_surface->surface.resource !=
2176 &input_device->drag_surface->resource))
2177 /* between calls to this funcion we got a new drag_surface */
2178 surface_changed = 1;
2180 if (!input_device->drag_surface || surface_changed) {
2181 device_release_drag_surface(device);
2182 if (!surface_changed)
2186 if (!device->drag_surface || surface_changed) {
2187 struct weston_surface *surface = (struct weston_surface *)
2188 input_device->drag_surface;
2189 if (!device_setup_new_drag_surface(device, surface))
2193 /* the client may not have attached a buffer to the drag surface
2194 * when we setup it up, so check if map is needed on every update */
2195 device_map_drag_surface(device);
2197 /* the client may have attached a buffer with a different size to
2198 * the drag surface, causing the input region to be reset */
2199 if (region_is_undefined(&device->drag_surface->input))
2200 empty_region(&device->drag_surface->input);
2205 weston_surface_set_position(device->drag_surface,
2206 device->drag_surface->geometry.x + wl_fixed_to_double(dx),
2207 device->drag_surface->geometry.y + wl_fixed_to_double(dy));
2211 weston_compositor_update_drag_surfaces(struct weston_compositor *compositor)
2213 weston_input_update_drag_surface(compositor->input_device, 0, 0);
2217 bind_output(struct wl_client *client,
2218 void *data, uint32_t version, uint32_t id)
2220 struct weston_output *output = data;
2221 struct weston_mode *mode;
2222 struct wl_resource *resource;
2224 resource = wl_client_add_object(client,
2225 &wl_output_interface, NULL, id, data);
2227 wl_list_insert(&output->resource_list, &resource->link);
2228 resource->destroy = unbind_resource;
2230 wl_output_send_geometry(resource,
2236 output->make, output->model);
2238 wl_list_for_each (mode, &output->mode_list, link) {
2239 wl_output_send_mode(resource,
2247 static const char vertex_shader[] =
2248 "uniform mat4 proj;\n"
2249 "attribute vec2 position;\n"
2250 "attribute vec2 texcoord;\n"
2251 "varying vec2 v_texcoord;\n"
2254 " gl_Position = proj * vec4(position, 0.0, 1.0);\n"
2255 " v_texcoord = texcoord;\n"
2258 static const char texture_fragment_shader[] =
2259 "precision mediump float;\n"
2260 "varying vec2 v_texcoord;\n"
2261 "uniform sampler2D tex;\n"
2262 "uniform float alpha;\n"
2263 "uniform float bright;\n"
2264 "uniform float saturation;\n"
2265 "uniform float texwidth;\n"
2268 " if (v_texcoord.x < 0.0 || v_texcoord.x > texwidth ||\n"
2269 " v_texcoord.y < 0.0 || v_texcoord.y > 1.0)\n"
2271 " gl_FragColor = texture2D(tex, v_texcoord)\n;"
2272 " float gray = dot(gl_FragColor.rgb, vec3(0.299, 0.587, 0.114));\n"
2273 " vec3 range = (gl_FragColor.rgb - vec3 (gray, gray, gray)) * saturation;\n"
2274 " gl_FragColor = vec4(vec3(gray + range), gl_FragColor.a);\n"
2275 " gl_FragColor = vec4(vec3(bright, bright, bright) * gl_FragColor.rgb, gl_FragColor.a);\n"
2276 " gl_FragColor = alpha * gl_FragColor;\n"
2279 static const char solid_fragment_shader[] =
2280 "precision mediump float;\n"
2281 "uniform vec4 color;\n"
2282 "uniform float alpha;\n"
2285 " gl_FragColor = alpha * color\n;"
2289 compile_shader(GLenum type, const char *source)
2295 s = glCreateShader(type);
2296 glShaderSource(s, 1, &source, NULL);
2298 glGetShaderiv(s, GL_COMPILE_STATUS, &status);
2300 glGetShaderInfoLog(s, sizeof msg, NULL, msg);
2301 fprintf(stderr, "shader info: %s\n", msg);
2309 weston_shader_init(struct weston_shader *shader,
2310 const char *vertex_source, const char *fragment_source)
2315 shader->vertex_shader =
2316 compile_shader(GL_VERTEX_SHADER, vertex_source);
2317 shader->fragment_shader =
2318 compile_shader(GL_FRAGMENT_SHADER, fragment_source);
2320 shader->program = glCreateProgram();
2321 glAttachShader(shader->program, shader->vertex_shader);
2322 glAttachShader(shader->program, shader->fragment_shader);
2323 glBindAttribLocation(shader->program, 0, "position");
2324 glBindAttribLocation(shader->program, 1, "texcoord");
2326 glLinkProgram(shader->program);
2327 glGetProgramiv(shader->program, GL_LINK_STATUS, &status);
2329 glGetProgramInfoLog(shader->program, sizeof msg, NULL, msg);
2330 fprintf(stderr, "link info: %s\n", msg);
2334 shader->proj_uniform = glGetUniformLocation(shader->program, "proj");
2335 shader->tex_uniform = glGetUniformLocation(shader->program, "tex");
2336 shader->alpha_uniform = glGetUniformLocation(shader->program, "alpha");
2337 shader->brightness_uniform = glGetUniformLocation(shader->program, "bright");
2338 shader->saturation_uniform = glGetUniformLocation(shader->program, "saturation");
2339 shader->color_uniform = glGetUniformLocation(shader->program, "color");
2340 shader->texwidth_uniform = glGetUniformLocation(shader->program,
2347 weston_output_destroy(struct weston_output *output)
2349 struct weston_compositor *c = output->compositor;
2351 pixman_region32_fini(&output->region);
2352 pixman_region32_fini(&output->previous_damage);
2353 output->compositor->output_id_pool &= ~(1 << output->id);
2355 wl_display_remove_global(c->wl_display, output->global);
2359 weston_output_update_zoom(struct weston_output *output, wl_fixed_t fx, wl_fixed_t fy)
2364 if (output->zoom.level <= 0)
2367 x = wl_fixed_to_int(fx);
2368 y = wl_fixed_to_int(fy);
2370 output->zoom.magnification = 1 / output->zoom.level;
2371 ratio = 1 - (1 / output->zoom.magnification);
2373 output->zoom.trans_x = (((float)(x - output->x) / output->current->width) * (ratio * 2)) - ratio;
2374 output->zoom.trans_y = (((float)(y - output->y) / output->current->height) * (ratio * 2)) - ratio;
2377 weston_output_damage(output);
2381 weston_output_update_matrix(struct weston_output *output)
2384 struct weston_matrix camera;
2385 struct weston_matrix modelview;
2387 weston_matrix_init(&output->matrix);
2388 weston_matrix_translate(&output->matrix,
2389 -(output->x + (output->border.right + output->current->width - output->border.left) / 2.0),
2390 -(output->y + (output->border.bottom + output->current->height - output->border.top) / 2.0), 0);
2392 flip = (output->flags & WL_OUTPUT_FLIPPED) ? -1 : 1;
2393 weston_matrix_scale(&output->matrix,
2394 2.0 / (output->current->width + output->border.left + output->border.right),
2395 flip * 2.0 / (output->current->height + output->border.top + output->border.bottom), 1);
2396 if (output->zoom.active) {
2397 weston_matrix_init(&camera);
2398 weston_matrix_init(&modelview);
2399 weston_matrix_translate(&camera, output->zoom.trans_x, flip * output->zoom.trans_y, 0);
2400 weston_matrix_invert(&modelview, &camera);
2401 weston_matrix_scale(&modelview, output->zoom.magnification, output->zoom.magnification, 1.0);
2402 weston_matrix_multiply(&output->matrix, &modelview);
2409 weston_output_move(struct weston_output *output, int x, int y)
2414 pixman_region32_init(&output->previous_damage);
2415 pixman_region32_init_rect(&output->region, x, y,
2416 output->current->width,
2417 output->current->height);
2421 weston_output_init(struct weston_output *output, struct weston_compositor *c,
2422 int x, int y, int width, int height, uint32_t flags)
2424 output->compositor = c;
2427 output->border.top = 0;
2428 output->border.bottom = 0;
2429 output->border.left = 0;
2430 output->border.right = 0;
2431 output->mm_width = width;
2432 output->mm_height = height;
2434 wl_list_init(&output->read_pixels_list);
2436 output->zoom.active = 0;
2437 output->zoom.increment = 0.05;
2438 output->zoom.level = 1.0;
2439 output->zoom.magnification = 1.0;
2440 output->zoom.trans_x = 0.0;
2441 output->zoom.trans_y = 0.0;
2443 output->flags = flags;
2444 weston_output_move(output, x, y);
2445 weston_output_damage(output);
2447 wl_list_init(&output->frame_callback_list);
2448 wl_list_init(&output->resource_list);
2450 output->id = ffs(~output->compositor->output_id_pool) - 1;
2451 output->compositor->output_id_pool |= 1 << output->id;
2454 wl_display_add_global(c->wl_display, &wl_output_interface,
2455 output, bind_output);
2459 weston_output_do_read_pixels(struct weston_output *output)
2461 struct weston_read_pixels *r, *next;
2463 glPixelStorei(GL_PACK_ALIGNMENT, 1);
2464 wl_list_for_each_safe(r, next, &output->read_pixels_list, link) {
2465 glReadPixels(r->x, r->y, r->width, r->height,
2466 output->compositor->read_format,
2467 GL_UNSIGNED_BYTE, r->data);
2473 compositor_bind(struct wl_client *client,
2474 void *data, uint32_t version, uint32_t id)
2476 struct weston_compositor *compositor = data;
2478 wl_client_add_object(client, &wl_compositor_interface,
2479 &compositor_interface, id, compositor);
2483 weston_compositor_init(struct weston_compositor *ec, struct wl_display *display)
2485 struct wl_event_loop *loop;
2486 const char *extensions;
2488 ec->wl_display = display;
2489 wl_signal_init(&ec->destroy_signal);
2490 wl_signal_init(&ec->activate_signal);
2491 wl_signal_init(&ec->lock_signal);
2492 wl_signal_init(&ec->unlock_signal);
2493 ec->launcher_sock = weston_environment_get_fd("WESTON_LAUNCHER_SOCK");
2495 ec->output_id_pool = 0;
2497 if (!wl_display_add_global(display, &wl_compositor_interface,
2498 ec, compositor_bind))
2501 wl_display_init_shm(display);
2503 ec->image_target_texture_2d =
2504 (void *) eglGetProcAddress("glEGLImageTargetTexture2DOES");
2505 ec->image_target_renderbuffer_storage = (void *)
2506 eglGetProcAddress("glEGLImageTargetRenderbufferStorageOES");
2507 ec->create_image = (void *) eglGetProcAddress("eglCreateImageKHR");
2508 ec->destroy_image = (void *) eglGetProcAddress("eglDestroyImageKHR");
2510 (void *) eglGetProcAddress("eglBindWaylandDisplayWL");
2511 ec->unbind_display =
2512 (void *) eglGetProcAddress("eglUnbindWaylandDisplayWL");
2514 extensions = (const char *) glGetString(GL_EXTENSIONS);
2516 fprintf(stderr, "Retrieving GL extension string failed.\n");
2520 if (!strstr(extensions, "GL_EXT_texture_format_BGRA8888")) {
2522 "GL_EXT_texture_format_BGRA8888 not available\n");
2526 if (strstr(extensions, "GL_EXT_read_format_bgra"))
2527 ec->read_format = GL_BGRA_EXT;
2529 ec->read_format = GL_RGBA;
2531 if (strstr(extensions, "GL_EXT_unpack_subimage"))
2532 ec->has_unpack_subimage = 1;
2535 (const char *) eglQueryString(ec->display, EGL_EXTENSIONS);
2537 fprintf(stderr, "Retrieving EGL extension string failed.\n");
2541 if (strstr(extensions, "EGL_WL_bind_wayland_display"))
2542 ec->has_bind_display = 1;
2543 if (ec->has_bind_display)
2544 ec->bind_display(ec->display, ec->wl_display);
2546 wl_list_init(&ec->surface_list);
2547 wl_list_init(&ec->layer_list);
2548 wl_list_init(&ec->input_device_list);
2549 wl_list_init(&ec->output_list);
2550 wl_list_init(&ec->binding_list);
2551 wl_list_init(&ec->animation_list);
2552 weston_spring_init(&ec->fade.spring, 30.0, 1.0, 1.0);
2553 ec->fade.animation.frame = fade_frame;
2554 wl_list_init(&ec->fade.animation.link);
2556 weston_layer_init(&ec->fade_layer, &ec->layer_list);
2557 weston_layer_init(&ec->cursor_layer, &ec->fade_layer.link);
2559 screenshooter_create(ec);
2561 ec->ping_handler = NULL;
2563 wl_data_device_manager_init(ec->wl_display);
2565 glActiveTexture(GL_TEXTURE0);
2567 if (weston_shader_init(&ec->texture_shader,
2568 vertex_shader, texture_fragment_shader) < 0)
2570 if (weston_shader_init(&ec->solid_shader,
2571 vertex_shader, solid_fragment_shader) < 0)
2574 loop = wl_display_get_event_loop(ec->wl_display);
2575 ec->idle_source = wl_event_loop_add_timer(loop, idle_handler, ec);
2576 wl_event_source_timer_update(ec->idle_source, ec->idle_time * 1000);
2578 ec->input_loop = wl_event_loop_create();
2580 weston_compositor_schedule_repaint(ec);
2586 weston_compositor_shutdown(struct weston_compositor *ec)
2588 struct weston_output *output, *next;
2590 wl_event_source_remove(ec->idle_source);
2591 if (ec->input_loop_source)
2592 wl_event_source_remove(ec->input_loop_source);
2594 /* Destroy all outputs associated with this compositor */
2595 wl_list_for_each_safe(output, next, &ec->output_list, link)
2596 output->destroy(output);
2598 weston_binding_list_destroy_all(&ec->binding_list);
2600 wl_array_release(&ec->vertices);
2601 wl_array_release(&ec->indices);
2603 wl_event_loop_destroy(ec->input_loop);
2606 static int weston_compositor_xkb_init(struct weston_compositor *ec,
2607 struct xkb_rule_names *names)
2609 ec->xkb_info.context = xkb_context_new(0);
2610 if (ec->xkb_info.context == NULL) {
2611 fprintf(stderr, "failed to create XKB context\n");
2615 ec->xkb_info.names = *names;
2616 if (!ec->xkb_info.names.rules)
2617 ec->xkb_info.names.rules = strdup("evdev");
2618 if (!ec->xkb_info.names.model)
2619 ec->xkb_info.names.model = strdup("pc105");
2620 if (!ec->xkb_info.names.layout)
2621 ec->xkb_info.names.layout = strdup("us");
2623 ec->xkb_info.keymap = xkb_map_new_from_names(ec->xkb_info.context,
2624 &ec->xkb_info.names, 0);
2625 if (ec->xkb_info.keymap == NULL) {
2626 fprintf(stderr, "failed to compile XKB keymap\n");
2630 ec->xkb_info.state = xkb_state_new(ec->xkb_info.keymap);
2631 if (ec->xkb_info.state == NULL) {
2632 fprintf(stderr, "failed to initialise XKB state\n");
2639 static void weston_compositor_xkb_destroy(struct weston_compositor *ec)
2641 xkb_state_unref(ec->xkb_info.state);
2642 xkb_map_unref(ec->xkb_info.keymap);
2643 xkb_context_unref(ec->xkb_info.context);
2645 free((char *) ec->xkb_info.names.rules);
2646 free((char *) ec->xkb_info.names.model);
2647 free((char *) ec->xkb_info.names.layout);
2648 free((char *) ec->xkb_info.names.variant);
2649 free((char *) ec->xkb_info.names.options);
2652 static int on_term_signal(int signal_number, void *data)
2654 struct wl_display *display = data;
2656 fprintf(stderr, "caught signal %d\n", signal_number);
2657 wl_display_terminate(display);
2663 on_segv_signal(int s, siginfo_t *siginfo, void *context)
2669 fprintf(stderr, "caught segv\n");
2671 count = backtrace(buffer, ARRAY_LENGTH(buffer));
2672 for (i = 0; i < count; i++) {
2673 dladdr(buffer[i], &info);
2674 fprintf(stderr, " [%016lx] %s (%s)\n",
2676 info.dli_sname ? info.dli_sname : "--",
2680 longjmp(segv_jmp_buf, 1);
2685 load_module(const char *name, const char *entrypoint, void **handle)
2687 char path[PATH_MAX];
2688 void *module, *init;
2691 snprintf(path, sizeof path, MODULEDIR "/%s", name);
2693 snprintf(path, sizeof path, "%s", name);
2695 module = dlopen(path, RTLD_LAZY);
2698 "failed to load module '%s': %s\n", path, dlerror());
2702 init = dlsym(module, entrypoint);
2705 "failed to lookup init function in '%s': %s\n",
2713 int main(int argc, char *argv[])
2715 struct wl_display *display;
2716 struct weston_compositor *ec;
2717 struct wl_event_source *signals[4];
2718 struct wl_event_loop *loop;
2719 struct sigaction segv_action;
2720 void *shell_module, *backend_module, *xserver_module;
2721 int (*module_init)(struct weston_compositor *ec);
2722 struct weston_compositor
2723 *(*backend_init)(struct wl_display *display,
2724 int argc, char *argv[]);
2726 char *backend = NULL;
2728 char *module = NULL;
2729 int32_t idle_time = 300;
2730 int32_t xserver = 0;
2731 char *socket_name = NULL;
2733 struct xkb_rule_names xkb_names;
2735 const struct config_key shell_config_keys[] = {
2736 { "type", CONFIG_KEY_STRING, &shell },
2739 const struct config_key keyboard_config_keys[] = {
2740 { "keymap_rules", CONFIG_KEY_STRING, &xkb_names.rules },
2741 { "keymap_model", CONFIG_KEY_STRING, &xkb_names.model },
2742 { "keymap_layout", CONFIG_KEY_STRING, &xkb_names.layout },
2743 { "keymap_variant", CONFIG_KEY_STRING, &xkb_names.variant },
2744 { "keymap_options", CONFIG_KEY_STRING, &xkb_names.options },
2747 const struct config_section cs[] = {
2749 shell_config_keys, ARRAY_LENGTH(shell_config_keys) },
2751 keyboard_config_keys, ARRAY_LENGTH(keyboard_config_keys) },
2754 const struct weston_option core_options[] = {
2755 { WESTON_OPTION_STRING, "backend", 'B', &backend },
2756 { WESTON_OPTION_STRING, "socket", 'S', &socket_name },
2757 { WESTON_OPTION_INTEGER, "idle-time", 'i', &idle_time },
2758 { WESTON_OPTION_BOOLEAN, "xserver", 0, &xserver },
2759 { WESTON_OPTION_STRING, "module", 0, &module },
2762 memset(&xkb_names, 0, sizeof(xkb_names));
2764 argc = parse_options(core_options,
2765 ARRAY_LENGTH(core_options), argc, argv);
2767 display = wl_display_create();
2769 loop = wl_display_get_event_loop(display);
2770 signals[0] = wl_event_loop_add_signal(loop, SIGTERM, on_term_signal,
2772 signals[1] = wl_event_loop_add_signal(loop, SIGINT, on_term_signal,
2774 signals[2] = wl_event_loop_add_signal(loop, SIGQUIT, on_term_signal,
2777 wl_list_init(&child_process_list);
2778 signals[3] = wl_event_loop_add_signal(loop, SIGCHLD, sigchld_handler,
2781 segv_action.sa_flags = SA_SIGINFO | SA_RESETHAND;
2782 segv_action.sa_sigaction = on_segv_signal;
2783 sigemptyset(&segv_action.sa_mask);
2784 sigaction(SIGSEGV, &segv_action, NULL);
2787 if (getenv("WAYLAND_DISPLAY"))
2788 backend = "wayland-backend.so";
2789 else if (getenv("DISPLAY"))
2790 backend = "x11-backend.so";
2791 else if (getenv("OPENWFD"))
2792 backend = "openwfd-backend.so";
2794 backend = "drm-backend.so";
2797 config_file = config_file_path("weston.ini");
2798 parse_config_file(config_file, cs, ARRAY_LENGTH(cs), shell);
2801 backend_init = load_module(backend, "backend_init", &backend_module);
2805 ec = backend_init(display, argc, argv);
2807 fprintf(stderr, "failed to create compositor\n");
2811 for (i = 1; argv[i]; i++)
2812 fprintf(stderr, "unhandled option: %s\n", argv[i]);
2816 if (weston_compositor_xkb_init(ec, &xkb_names) == -1) {
2817 fprintf(stderr, "failed to initialise keyboard support\n");
2821 ec->option_idle_time = idle_time;
2822 ec->idle_time = idle_time;
2826 module_init = load_module("xserver-launcher.so",
2827 "weston_xserver_init",
2829 if (module_init && module_init(ec) < 0)
2833 shell = "desktop-shell.so";
2834 module_init = load_module(shell, "shell_init", &shell_module);
2835 if (!module_init || module_init(ec) < 0)
2841 module_init = load_module(module, "module_init", NULL);
2842 if (module_init && module_init(ec) < 0)
2845 if (wl_display_add_socket(display, socket_name)) {
2846 fprintf(stderr, "failed to add socket: %m\n");
2850 weston_compositor_dpms_on(ec);
2851 weston_compositor_wake(ec);
2852 if (setjmp(segv_jmp_buf) == 0)
2853 wl_display_run(display);
2855 /* prevent further rendering while shutting down */
2856 ec->state = WESTON_COMPOSITOR_SLEEPING;
2858 wl_signal_emit(&ec->destroy_signal, ec);
2860 if (ec->has_bind_display)
2861 ec->unbind_display(ec->display, display);
2863 for (i = ARRAY_LENGTH(signals); i;)
2864 wl_event_source_remove(signals[--i]);
2866 weston_compositor_xkb_destroy(ec);
2869 wl_display_destroy(display);