2 * Copyright © 2008 Kristian Høgsberg
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software Foundation,
16 * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
30 #include <sys/ioctl.h>
35 #include <linux/input.h>
40 #include "wayland-server.h"
41 #include "compositor.h"
43 /* The plan here is to generate a random anonymous socket name and
44 * advertise that through a service on the session dbus.
46 static const char *option_socket_name = NULL;
47 static const char *option_background = "background.png";
48 static int option_idle_time = 300;
50 static struct wl_list child_process_list;
53 sigchld_handler(int signal_number, void *data)
55 struct wlsc_process *p;
60 wl_list_for_each(p, &child_process_list, link) {
65 if (&p->link == &child_process_list) {
66 fprintf(stderr, "unknown child process exited\n");
70 wl_list_remove(&p->link);
71 p->cleanup(p, status);
77 wlsc_watch_process(struct wlsc_process *process)
79 wl_list_insert(&child_process_list, &process->link);
83 wlsc_matrix_init(struct wlsc_matrix *matrix)
85 static const struct wlsc_matrix identity = {
86 { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1 }
89 memcpy(matrix, &identity, sizeof identity);
93 wlsc_matrix_multiply(struct wlsc_matrix *m, const struct wlsc_matrix *n)
95 struct wlsc_matrix tmp;
96 const GLfloat *row, *column;
100 for (i = 0; i < 16; i++) {
103 row = m->d + d.quot * 4;
104 column = n->d + d.rem;
105 for (j = 0; j < 4; j++)
106 tmp.d[i] += row[j] * column[j * 4];
108 memcpy(m, &tmp, sizeof tmp);
112 wlsc_matrix_translate(struct wlsc_matrix *matrix, GLfloat x, GLfloat y, GLfloat z)
114 struct wlsc_matrix translate = {
115 { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, x, y, z, 1 }
118 wlsc_matrix_multiply(matrix, &translate);
122 wlsc_matrix_scale(struct wlsc_matrix *matrix, GLfloat x, GLfloat y, GLfloat z)
124 struct wlsc_matrix scale = {
125 { x, 0, 0, 0, 0, y, 0, 0, 0, 0, z, 0, 0, 0, 0, 1 }
128 wlsc_matrix_multiply(matrix, &scale);
132 wlsc_matrix_transform(struct wlsc_matrix *matrix, struct wlsc_vector *v)
135 struct wlsc_vector t;
137 for (i = 0; i < 4; i++) {
139 for (j = 0; j < 4; j++)
140 t.f[i] += v->f[j] * matrix->d[i + j * 4];
147 wlsc_spring_init(struct wlsc_spring *spring,
148 double k, double current, double target)
151 spring->friction = 100.0;
152 spring->current = current;
153 spring->previous = current;
154 spring->target = target;
158 wlsc_spring_update(struct wlsc_spring *spring, uint32_t msec)
160 double force, v, current, step;
162 step = (msec - spring->timestamp) / 300.0;
163 spring->timestamp = msec;
165 current = spring->current;
166 v = current - spring->previous;
167 force = spring->k * (spring->target - current) / 10.0 +
168 (spring->previous - current) - v * spring->friction;
171 current + (current - spring->previous) + force * step * step;
172 spring->previous = current;
175 if (spring->current >= 1.0) {
176 #ifdef TWEENER_BOUNCE
177 spring->current = 2.0 - spring->current;
178 spring->previous = 2.0 - spring->previous;
180 spring->current = 1.0;
181 spring->previous = 1.0;
185 if (spring->current <= 0.0) {
186 spring->current = 0.0;
187 spring->previous = 0.0;
193 wlsc_spring_done(struct wlsc_spring *spring)
195 return fabs(spring->previous - spring->target) < 0.0002 &&
196 fabs(spring->current - spring->target) < 0.0002;
200 surface_handle_buffer_destroy(struct wl_listener *listener,
201 struct wl_resource *resource, uint32_t time)
203 struct wlsc_surface *es = container_of(listener, struct wlsc_surface,
204 buffer_destroy_listener);
205 struct wl_buffer *buffer = (struct wl_buffer *) resource;
207 if (es->buffer == buffer)
212 output_handle_scanout_buffer_destroy(struct wl_listener *listener,
213 struct wl_resource *resource,
216 struct wlsc_output *output =
217 container_of(listener, struct wlsc_output,
218 scanout_buffer_destroy_listener);
219 struct wl_buffer *buffer = (struct wl_buffer *) resource;
221 if (output->scanout_buffer == buffer)
222 output->scanout_buffer = NULL;
225 WL_EXPORT struct wlsc_surface *
226 wlsc_surface_create(struct wlsc_compositor *compositor,
227 int32_t x, int32_t y, int32_t width, int32_t height)
229 struct wlsc_surface *surface;
231 surface = malloc(sizeof *surface);
235 wl_list_init(&surface->link);
236 wl_list_init(&surface->buffer_link);
237 surface->map_type = WLSC_SURFACE_MAP_UNMAPPED;
239 glGenTextures(1, &surface->texture);
240 glBindTexture(GL_TEXTURE_2D, surface->texture);
241 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
242 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
244 surface->surface.client = NULL;
246 surface->compositor = compositor;
247 surface->visual = NULL;
248 surface->image = EGL_NO_IMAGE_KHR;
249 surface->saved_texture = 0;
252 surface->width = width;
253 surface->height = height;
255 surface->buffer = NULL;
257 surface->buffer_destroy_listener.func = surface_handle_buffer_destroy;
258 wl_list_init(&surface->buffer_destroy_listener.link);
260 surface->transform = NULL;
266 wlsc_surface_damage_rectangle(struct wlsc_surface *surface,
267 int32_t x, int32_t y,
268 int32_t width, int32_t height)
270 struct wlsc_compositor *compositor = surface->compositor;
272 pixman_region32_union_rect(&compositor->damage_region,
273 &compositor->damage_region,
274 surface->x + x, surface->y + y,
276 wlsc_compositor_schedule_repaint(compositor);
280 wlsc_surface_damage(struct wlsc_surface *surface)
282 wlsc_surface_damage_rectangle(surface, 0, 0,
283 surface->width, surface->height);
287 wlsc_compositor_get_time(void)
291 gettimeofday(&tv, NULL);
293 return tv.tv_sec * 1000 + tv.tv_usec / 1000;
297 destroy_surface(struct wl_resource *resource, struct wl_client *client)
299 struct wlsc_surface *surface =
300 container_of(resource, struct wlsc_surface, surface.resource);
301 struct wlsc_compositor *compositor = surface->compositor;
303 wlsc_surface_damage(surface);
305 wl_list_remove(&surface->link);
306 if (surface->saved_texture == 0)
307 glDeleteTextures(1, &surface->texture);
309 glDeleteTextures(1, &surface->saved_texture);
312 wl_list_remove(&surface->buffer_destroy_listener.link);
314 if (surface->image != EGL_NO_IMAGE_KHR)
315 compositor->destroy_image(compositor->display,
318 wl_list_remove(&surface->buffer_link);
324 wlsc_buffer_attach(struct wl_buffer *buffer, struct wl_surface *surface)
326 struct wlsc_surface *es = (struct wlsc_surface *) surface;
327 struct wlsc_compositor *ec = es->compositor;
328 struct wl_list *surfaces_attached_to;
330 if (es->saved_texture != 0)
331 es->texture = es->saved_texture;
333 glBindTexture(GL_TEXTURE_2D, es->texture);
335 if (wl_buffer_is_shm(buffer)) {
336 /* Unbind any EGLImage texture that may be bound, so we don't
338 glTexImage2D(GL_TEXTURE_2D, 0, GL_BGRA_EXT,
339 0, 0, 0, GL_BGRA_EXT, GL_UNSIGNED_BYTE, NULL);
340 es->pitch = wl_shm_buffer_get_stride(buffer) / 4;
341 glTexImage2D(GL_TEXTURE_2D, 0, GL_BGRA_EXT,
342 es->pitch, buffer->height, 0,
343 GL_BGRA_EXT, GL_UNSIGNED_BYTE,
344 wl_shm_buffer_get_data(buffer));
345 es->visual = buffer->visual;
347 surfaces_attached_to = buffer->user_data;
349 wl_list_remove(&es->buffer_link);
350 wl_list_insert(surfaces_attached_to, &es->buffer_link);
352 if (es->image != EGL_NO_IMAGE_KHR)
353 ec->destroy_image(ec->display, es->image);
354 es->image = ec->create_image(ec->display, NULL,
355 EGL_WAYLAND_BUFFER_WL,
358 ec->image_target_texture_2d(GL_TEXTURE_2D, es->image);
359 es->visual = buffer->visual;
360 es->pitch = es->width;
365 wlsc_sprite_attach(struct wlsc_sprite *sprite, struct wl_surface *surface)
367 struct wlsc_surface *es = (struct wlsc_surface *) surface;
368 struct wlsc_compositor *ec = es->compositor;
370 es->pitch = es->width;
371 es->image = sprite->image;
372 if (sprite->image != EGL_NO_IMAGE_KHR) {
373 glBindTexture(GL_TEXTURE_2D, es->texture);
374 ec->image_target_texture_2d(GL_TEXTURE_2D, es->image);
376 if (es->saved_texture == 0)
377 es->saved_texture = es->texture;
378 es->texture = sprite->texture;
381 es->visual = sprite->visual;
388 SPRITE_USE_CURSOR = (1 << 0),
391 static struct wlsc_sprite *
392 create_sprite_from_png(struct wlsc_compositor *ec,
393 const char *filename, uint32_t usage)
396 struct wlsc_sprite *sprite;
397 int32_t width, height;
400 pixels = wlsc_load_image(filename, &width, &height, &stride);
404 sprite = malloc(sizeof *sprite);
405 if (sprite == NULL) {
410 sprite->visual = &ec->compositor.premultiplied_argb_visual;
411 sprite->width = width;
412 sprite->height = height;
413 sprite->image = EGL_NO_IMAGE_KHR;
415 if (usage & SPRITE_USE_CURSOR && ec->create_cursor_image != NULL)
416 sprite->image = ec->create_cursor_image(ec, width, height);
418 glGenTextures(1, &sprite->texture);
419 glBindTexture(GL_TEXTURE_2D, sprite->texture);
420 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
421 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
422 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
423 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
425 if (sprite->image != EGL_NO_IMAGE_KHR) {
426 ec->image_target_texture_2d(GL_TEXTURE_2D, sprite->image);
427 glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, width, height,
428 GL_BGRA_EXT, GL_UNSIGNED_BYTE, pixels);
430 glTexImage2D(GL_TEXTURE_2D, 0, GL_BGRA_EXT, width, height, 0,
431 GL_BGRA_EXT, GL_UNSIGNED_BYTE, pixels);
439 static const struct {
440 const char *filename;
441 int hotspot_x, hotspot_y;
442 } pointer_images[] = {
443 { DATADIR "/wayland/bottom_left_corner.png", 6, 30 },
444 { DATADIR "/wayland/bottom_right_corner.png", 28, 28 },
445 { DATADIR "/wayland/bottom_side.png", 16, 20 },
446 { DATADIR "/wayland/grabbing.png", 20, 17 },
447 { DATADIR "/wayland/left_ptr.png", 10, 5 },
448 { DATADIR "/wayland/left_side.png", 10, 20 },
449 { DATADIR "/wayland/right_side.png", 30, 19 },
450 { DATADIR "/wayland/top_left_corner.png", 8, 8 },
451 { DATADIR "/wayland/top_right_corner.png", 26, 8 },
452 { DATADIR "/wayland/top_side.png", 18, 8 },
453 { DATADIR "/wayland/xterm.png", 15, 15 }
457 create_pointer_images(struct wlsc_compositor *ec)
461 count = ARRAY_LENGTH(pointer_images);
462 ec->pointer_sprites = malloc(count * sizeof *ec->pointer_sprites);
463 for (i = 0; i < count; i++) {
464 ec->pointer_sprites[i] =
465 create_sprite_from_png(ec,
466 pointer_images[i].filename,
471 static struct wlsc_surface *
472 background_create(struct wlsc_output *output, const char *filename)
474 struct wlsc_surface *background;
475 struct wlsc_sprite *sprite;
477 background = wlsc_surface_create(output->compositor,
478 output->x, output->y,
479 output->current->width,
480 output->current->height);
481 if (background == NULL)
484 sprite = create_sprite_from_png(output->compositor, filename, 0);
485 if (sprite == NULL) {
490 wlsc_sprite_attach(sprite, &background->surface);
496 texture_region(struct wlsc_surface *es, pixman_region32_t *region)
498 struct wlsc_compositor *ec = es->compositor;
499 GLfloat *v, inv_width, inv_height;
500 pixman_box32_t *rectangles;
504 rectangles = pixman_region32_rectangles(region, &n);
505 v = wl_array_add(&ec->vertices, n * 16 * sizeof *v);
506 p = wl_array_add(&ec->indices, n * 6 * sizeof *p);
507 inv_width = 1.0 / es->pitch;
508 inv_height = 1.0 / es->height;
510 for (i = 0; i < n; i++, v += 16, p += 6) {
511 v[ 0] = rectangles[i].x1;
512 v[ 1] = rectangles[i].y1;
513 v[ 2] = (GLfloat) (rectangles[i].x1 - es->x) * inv_width;
514 v[ 3] = (GLfloat) (rectangles[i].y1 - es->y) * inv_height;
516 v[ 4] = rectangles[i].x1;
517 v[ 5] = rectangles[i].y2;
519 v[ 7] = (GLfloat) (rectangles[i].y2 - es->y) * inv_height;
521 v[ 8] = rectangles[i].x2;
522 v[ 9] = rectangles[i].y1;
523 v[10] = (GLfloat) (rectangles[i].x2 - es->x) * inv_width;
526 v[12] = rectangles[i].x2;
527 v[13] = rectangles[i].y2;
543 transform_vertex(struct wlsc_surface *surface,
544 GLfloat x, GLfloat y, GLfloat u, GLfloat v, GLfloat *r)
546 struct wlsc_vector t;
553 wlsc_matrix_transform(&surface->transform->matrix, &t);
562 texture_transformed_surface(struct wlsc_surface *es)
564 struct wlsc_compositor *ec = es->compositor;
568 v = wl_array_add(&ec->vertices, 16 * sizeof *v);
569 p = wl_array_add(&ec->indices, 6 * sizeof *p);
571 transform_vertex(es, es->x, es->y, 0.0, 0.0, &v[0]);
572 transform_vertex(es, es->x, es->y + es->height, 0.0, 1.0, &v[4]);
573 transform_vertex(es, es->x + es->width, es->y, 1.0, 0.0, &v[8]);
574 transform_vertex(es, es->x + es->width, es->y + es->height,
588 wlsc_surface_draw(struct wlsc_surface *es,
589 struct wlsc_output *output, pixman_region32_t *clip)
591 struct wlsc_compositor *ec = es->compositor;
593 pixman_region32_t repaint;
597 pixman_region32_init_rect(&repaint,
598 es->x, es->y, es->width, es->height);
599 pixman_region32_intersect(&repaint, &repaint, clip);
600 if (!pixman_region32_not_empty(&repaint))
603 if (es->visual == &ec->compositor.argb_visual) {
604 glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
606 } else if (es->visual == &ec->compositor.premultiplied_argb_visual) {
607 glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
613 if (es->transform == NULL) {
615 n = texture_region(es, &repaint);
618 n = texture_transformed_surface(es);
621 glBindTexture(GL_TEXTURE_2D, es->texture);
622 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, filter);
623 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, filter);
625 v = ec->vertices.data;
626 glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 4 * sizeof *v, &v[0]);
627 glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, 4 * sizeof *v, &v[2]);
628 glEnableVertexAttribArray(0);
629 glEnableVertexAttribArray(1);
630 glDrawElements(GL_TRIANGLES, n * 6, GL_UNSIGNED_INT, ec->indices.data);
632 ec->vertices.size = 0;
633 ec->indices.size = 0;
634 pixman_region32_fini(&repaint);
638 wlsc_surface_raise(struct wlsc_surface *surface)
640 struct wlsc_compositor *compositor = surface->compositor;
642 wl_list_remove(&surface->link);
643 wl_list_insert(&compositor->surface_list, &surface->link);
647 wlsc_compositor_damage_all(struct wlsc_compositor *compositor)
649 struct wlsc_output *output;
651 wl_list_for_each(output, &compositor->output_list, link)
652 wlsc_output_damage(output);
656 wlsc_buffer_post_release(struct wl_buffer *buffer)
658 if (buffer == NULL || --buffer->busy_count > 0)
661 assert(buffer->client != NULL);
662 wl_client_post_event(buffer->client,
663 &buffer->resource.object,
668 wlsc_output_damage(struct wlsc_output *output)
670 struct wlsc_compositor *compositor = output->compositor;
672 pixman_region32_union(&compositor->damage_region,
673 &compositor->damage_region, &output->region);
674 wlsc_compositor_schedule_repaint(compositor);
678 fade_frame(struct wlsc_animation *animation,
679 struct wlsc_output *output, uint32_t msecs)
681 struct wlsc_compositor *compositor =
682 container_of(animation,
683 struct wlsc_compositor, fade.animation);
685 wlsc_spring_update(&compositor->fade.spring, msecs);
686 if (wlsc_spring_done(&compositor->fade.spring)) {
687 if (compositor->fade.spring.current > 0.999) {
688 compositor->state = WLSC_COMPOSITOR_SLEEPING;
689 compositor->shell->lock(compositor->shell);
691 compositor->fade.spring.current =
692 compositor->fade.spring.target;
693 wl_list_remove(&animation->link);
694 wl_list_init(&animation->link);
697 wlsc_output_damage(output);
701 fade_output(struct wlsc_output *output,
702 GLfloat tint, pixman_region32_t *region)
704 struct wlsc_compositor *compositor = output->compositor;
705 struct wlsc_surface surface;
706 GLfloat color[4] = { 0.0, 0.0, 0.0, tint };
708 surface.compositor = compositor;
709 surface.x = output->x;
710 surface.y = output->y;
711 surface.width = output->current->width;
712 surface.height = output->current->height;
713 surface.texture = GL_NONE;
714 surface.transform = NULL;
718 &compositor->compositor.premultiplied_argb_visual;
720 surface.visual = &compositor->compositor.rgb_visual;
722 glUseProgram(compositor->solid_shader.program);
723 glUniformMatrix4fv(compositor->solid_shader.proj_uniform,
724 1, GL_FALSE, output->matrix.d);
725 glUniform4fv(compositor->solid_shader.color_uniform, 1, color);
726 wlsc_surface_draw(&surface, output, region);
730 wlsc_output_repaint(struct wlsc_output *output)
732 struct wlsc_compositor *ec = output->compositor;
733 struct wlsc_surface *es;
734 struct wlsc_input_device *device;
735 pixman_region32_t new_damage, total_damage;
737 output->prepare_render(output);
739 glViewport(0, 0, output->current->width, output->current->height);
741 glUseProgram(ec->texture_shader.program);
742 glUniformMatrix4fv(ec->texture_shader.proj_uniform,
743 1, GL_FALSE, output->matrix.d);
744 glUniform1i(ec->texture_shader.tex_uniform, 0);
746 pixman_region32_init(&new_damage);
747 pixman_region32_init(&total_damage);
748 pixman_region32_intersect(&new_damage,
749 &ec->damage_region, &output->region);
750 pixman_region32_subtract(&ec->damage_region,
751 &ec->damage_region, &new_damage);
752 pixman_region32_union(&total_damage, &new_damage,
753 &output->previous_damage_region);
754 pixman_region32_copy(&output->previous_damage_region, &new_damage);
756 device = (struct wlsc_input_device *) ec->input_device;
757 if (ec->focus && ec->fade.spring.current < 0.001) {
758 if (!wl_list_empty(&device->sprite->link)) {
759 wl_list_remove(&device->sprite->link);
760 wl_list_init(&device->sprite->link);
762 if (output->set_hardware_cursor(output, device) < 0)
763 wl_list_insert(&ec->surface_list,
764 &device->sprite->link);
766 output->set_hardware_cursor(output, NULL);
767 if (wl_list_empty(&device->sprite->link))
768 wl_list_insert(&ec->surface_list,
769 &device->sprite->link);
772 es = container_of(ec->surface_list.next, struct wlsc_surface, link);
774 if (es->visual == &ec->compositor.rgb_visual &&
775 output->prepare_scanout_surface(output, es) == 0) {
776 /* We're drawing nothing now,
777 * draw the damaged regions later. */
778 pixman_region32_union(&ec->damage_region,
782 output->scanout_buffer = es->buffer;
783 output->scanout_buffer->busy_count++;
785 wl_list_remove(&output->scanout_buffer_destroy_listener.link);
786 wl_list_insert(output->scanout_buffer->resource.destroy_listener_list.prev,
787 &output->scanout_buffer_destroy_listener.link);
792 if (es->fullscreen_output == output) {
793 if (es->width < output->current->width ||
794 es->height < output->current->height)
795 glClear(GL_COLOR_BUFFER_BIT);
796 wlsc_surface_draw(es, output, &total_damage);
798 if (output->background)
799 wlsc_surface_draw(output->background,
800 output, &total_damage);
802 fade_output(output, 1.0, &total_damage);
804 glUseProgram(ec->texture_shader.program);
805 wl_list_for_each_reverse(es, &ec->surface_list, link) {
806 if (ec->overlay == es)
809 wlsc_surface_draw(es, output, &total_damage);
814 wlsc_surface_draw(ec->overlay, output, &total_damage);
816 if (ec->fade.spring.current > 0.001)
817 fade_output(output, ec->fade.spring.current, &total_damage);
821 repaint(void *data, int msecs)
823 struct wlsc_output *output = data;
824 struct wlsc_compositor *compositor = output->compositor;
825 struct wlsc_surface *es;
826 struct wlsc_animation *animation, *next;
828 wlsc_output_repaint(output);
829 output->repaint_needed = 0;
830 output->repaint_scheduled = 1;
831 output->present(output);
833 /* FIXME: Keep the surfaces in an per-output list. */
834 wl_list_for_each(es, &compositor->surface_list, link) {
835 if (es->output == output) {
836 wl_display_post_frame(compositor->wl_display,
837 &es->surface, msecs);
841 wl_list_for_each_safe(animation, next,
842 &compositor->animation_list, link)
843 animation->frame(animation, output, msecs);
847 idle_repaint(void *data)
849 repaint(data, wlsc_compositor_get_time());
853 wlsc_output_finish_frame(struct wlsc_output *output, int msecs)
855 wlsc_buffer_post_release(output->scanout_buffer);
856 output->scanout_buffer = NULL;
857 output->repaint_scheduled = 0;
859 if (output->repaint_needed)
860 repaint(output, msecs);
864 wlsc_compositor_schedule_repaint(struct wlsc_compositor *compositor)
866 struct wlsc_output *output;
867 struct wl_event_loop *loop;
869 if (compositor->state == WLSC_COMPOSITOR_SLEEPING)
872 loop = wl_display_get_event_loop(compositor->wl_display);
873 wl_list_for_each(output, &compositor->output_list, link) {
874 output->repaint_needed = 1;
875 if (output->repaint_scheduled)
878 wl_event_loop_add_idle(loop, idle_repaint, output);
879 output->repaint_scheduled = 1;
884 wlsc_compositor_fade(struct wlsc_compositor *compositor, float tint)
888 done = wlsc_spring_done(&compositor->fade.spring);
889 compositor->fade.spring.target = tint;
890 if (wlsc_spring_done(&compositor->fade.spring))
894 compositor->fade.spring.timestamp =
895 wlsc_compositor_get_time();
897 wlsc_compositor_damage_all(compositor);
898 if (wl_list_empty(&compositor->fade.animation.link))
899 wl_list_insert(compositor->animation_list.prev,
900 &compositor->fade.animation.link);
904 surface_destroy(struct wl_client *client,
905 struct wl_surface *surface)
907 wl_resource_destroy(&surface->resource, client,
908 wlsc_compositor_get_time());
912 wlsc_surface_assign_output(struct wlsc_surface *es)
914 struct wlsc_compositor *ec = es->compositor;
915 struct wlsc_output *output;
917 struct wlsc_output *tmp = es->output;
920 wl_list_for_each(output, &ec->output_list, link) {
921 if (pixman_region32_contains_point(&output->region,
922 es->x, es->y, NULL)) {
924 printf("assiging surface %p to output %p\n",
930 if (es->output == NULL) {
931 printf("no output found\n");
932 es->output = container_of(ec->output_list.next,
933 struct wlsc_output, link);
938 surface_attach(struct wl_client *client,
939 struct wl_surface *surface, struct wl_buffer *buffer,
940 int32_t x, int32_t y)
942 struct wlsc_surface *es = (struct wlsc_surface *) surface;
944 /* FIXME: This damages the entire old surface, but we should
945 * really just damage the part that's no longer covered by the
946 * surface. Anything covered by the new surface will be
947 * damaged by the client. */
949 wlsc_surface_damage(es);
951 buffer->busy_count++;
952 wlsc_buffer_post_release(es->buffer);
955 wl_list_remove(&es->buffer_destroy_listener.link);
956 wl_list_insert(es->buffer->resource.destroy_listener_list.prev,
957 &es->buffer_destroy_listener.link);
961 es->width = buffer->width;
962 es->height = buffer->height;
963 if (x != 0 || y != 0)
964 wlsc_surface_assign_output(es);
965 if (es->visual == NULL)
966 wl_list_insert(&es->compositor->surface_list, &es->link);
968 wlsc_buffer_attach(buffer, surface);
970 es->compositor->shell->attach(es->compositor->shell, es);
974 surface_damage(struct wl_client *client,
975 struct wl_surface *surface,
976 int32_t x, int32_t y, int32_t width, int32_t height)
978 struct wlsc_surface *es = (struct wlsc_surface *) surface;
980 wlsc_surface_damage_rectangle(es, x, y, width, height);
983 const static struct wl_surface_interface surface_interface = {
990 wlsc_input_device_attach(struct wlsc_input_device *device,
991 int x, int y, int width, int height)
993 wlsc_surface_damage(device->sprite);
995 device->hotspot_x = x;
996 device->hotspot_y = y;
998 device->sprite->x = device->input_device.x - device->hotspot_x;
999 device->sprite->y = device->input_device.y - device->hotspot_y;
1000 device->sprite->width = width;
1001 device->sprite->height = height;
1003 wlsc_surface_damage(device->sprite);
1007 wlsc_input_device_attach_buffer(struct wlsc_input_device *device,
1008 struct wl_buffer *buffer, int x, int y)
1010 wlsc_buffer_attach(buffer, &device->sprite->surface);
1011 wlsc_input_device_attach(device, x, y, buffer->width, buffer->height);
1015 wlsc_input_device_attach_sprite(struct wlsc_input_device *device,
1016 struct wlsc_sprite *sprite, int x, int y)
1018 wlsc_sprite_attach(sprite, &device->sprite->surface);
1019 wlsc_input_device_attach(device, x, y, sprite->width, sprite->height);
1023 wlsc_input_device_set_pointer_image(struct wlsc_input_device *device,
1024 enum wlsc_pointer_type type)
1026 struct wlsc_compositor *compositor =
1027 (struct wlsc_compositor *) device->input_device.compositor;
1029 wlsc_input_device_attach_sprite(device,
1030 compositor->pointer_sprites[type],
1031 pointer_images[type].hotspot_x,
1032 pointer_images[type].hotspot_y);
1036 compositor_create_surface(struct wl_client *client,
1037 struct wl_compositor *compositor, uint32_t id)
1039 struct wlsc_compositor *ec = (struct wlsc_compositor *) compositor;
1040 struct wlsc_surface *surface;
1042 surface = wlsc_surface_create(ec, 0, 0, 0, 0);
1043 if (surface == NULL) {
1044 wl_client_post_no_memory(client);
1048 surface->surface.resource.destroy = destroy_surface;
1050 surface->surface.resource.object.id = id;
1051 surface->surface.resource.object.interface = &wl_surface_interface;
1052 surface->surface.resource.object.implementation =
1053 (void (**)(void)) &surface_interface;
1054 surface->surface.client = client;
1056 wl_client_add_resource(client, &surface->surface.resource);
1059 const static struct wl_compositor_interface compositor_interface = {
1060 compositor_create_surface,
1064 wlsc_surface_transform(struct wlsc_surface *surface,
1065 int32_t x, int32_t y, int32_t *sx, int32_t *sy)
1067 *sx = x - surface->x;
1068 *sy = y - surface->y;
1071 WL_EXPORT struct wlsc_surface *
1072 pick_surface(struct wl_input_device *device, int32_t *sx, int32_t *sy)
1074 struct wlsc_compositor *ec =
1075 (struct wlsc_compositor *) device->compositor;
1076 struct wlsc_surface *es;
1078 wl_list_for_each(es, &ec->surface_list, link) {
1079 if (es->surface.client == NULL)
1081 wlsc_surface_transform(es, device->x, device->y, sx, sy);
1082 if (0 <= *sx && *sx < es->width &&
1083 0 <= *sy && *sy < es->height)
1092 motion_grab_motion(struct wl_grab *grab,
1093 uint32_t time, int32_t x, int32_t y)
1095 struct wlsc_input_device *device =
1096 (struct wlsc_input_device *) grab->input_device;
1097 struct wlsc_surface *es =
1098 (struct wlsc_surface *) device->input_device.pointer_focus;
1101 wlsc_surface_transform(es, x, y, &sx, &sy);
1102 wl_client_post_event(es->surface.client,
1103 &device->input_device.object,
1104 WL_INPUT_DEVICE_MOTION,
1105 time, x, y, sx, sy);
1109 motion_grab_button(struct wl_grab *grab,
1110 uint32_t time, int32_t button, int32_t state)
1112 wl_client_post_event(grab->input_device->pointer_focus->client,
1113 &grab->input_device->object,
1114 WL_INPUT_DEVICE_BUTTON,
1115 time, button, state);
1119 motion_grab_end(struct wl_grab *grab, uint32_t time)
1123 static const struct wl_grab_interface motion_grab_interface = {
1130 wlsc_compositor_wake(struct wlsc_compositor *compositor)
1132 if (compositor->idle_inhibit)
1135 wlsc_compositor_fade(compositor, 0.0);
1136 compositor->state = WLSC_COMPOSITOR_ACTIVE;
1138 wl_event_source_timer_update(compositor->idle_source,
1139 option_idle_time * 1000);
1143 wlsc_compositor_idle_inhibit(struct wlsc_compositor *compositor)
1145 wlsc_compositor_wake(compositor);
1146 compositor->idle_inhibit++;
1150 wlsc_compositor_idle_release(struct wlsc_compositor *compositor)
1152 compositor->idle_inhibit--;
1153 wlsc_compositor_wake(compositor);
1157 idle_handler(void *data)
1159 struct wlsc_compositor *compositor = data;
1161 if (compositor->idle_inhibit)
1164 wlsc_compositor_fade(compositor, 1.0);
1170 notify_motion(struct wl_input_device *device, uint32_t time, int x, int y)
1172 struct wlsc_surface *es;
1173 struct wlsc_compositor *ec =
1174 (struct wlsc_compositor *) device->compositor;
1175 struct wlsc_output *output;
1176 const struct wl_grab_interface *interface;
1177 struct wlsc_input_device *wd = (struct wlsc_input_device *) device;
1179 int x_valid = 0, y_valid = 0;
1180 int min_x = INT_MAX, min_y = INT_MAX, max_x = INT_MIN, max_y = INT_MIN;
1182 wlsc_compositor_wake(ec);
1184 wl_list_for_each(output, &ec->output_list, link) {
1185 if (output->x <= x && x <= output->x + output->current->width)
1188 if (output->y <= y && y <= output->y + output->current->height)
1191 /* FIXME: calculate this only on output addition/deletion */
1192 if (output->x < min_x)
1194 if (output->y < min_y)
1197 if (output->x + output->current->width > max_x)
1198 max_x = output->x + output->current->width;
1199 if (output->y + output->current->height > max_y)
1200 max_y = output->y + output->current->height;
1206 else if (x >= max_x)
1212 else if (y >= max_y)
1220 interface = device->grab->interface;
1221 interface->motion(device->grab, time, x, y);
1223 es = pick_surface(device, &sx, &sy);
1224 wl_input_device_set_pointer_focus(device,
1226 time, x, y, sx, sy);
1228 wl_client_post_event(es->surface.client,
1230 WL_INPUT_DEVICE_MOTION,
1231 time, x, y, sx, sy);
1234 wlsc_surface_damage(wd->sprite);
1236 wd->sprite->x = device->x - wd->hotspot_x;
1237 wd->sprite->y = device->y - wd->hotspot_y;
1239 wlsc_surface_damage(wd->sprite);
1243 wlsc_surface_activate(struct wlsc_surface *surface,
1244 struct wlsc_input_device *device, uint32_t time)
1246 struct wlsc_shell *shell = surface->compositor->shell;
1248 wlsc_surface_raise(surface);
1249 if (device->selection)
1250 shell->set_selection_focus(shell,
1252 &surface->surface, time);
1254 wl_input_device_set_keyboard_focus(&device->input_device,
1259 struct wlsc_binding {
1263 wlsc_binding_handler_t handler;
1265 struct wl_list link;
1269 notify_button(struct wl_input_device *device,
1270 uint32_t time, int32_t button, int32_t state)
1272 struct wlsc_input_device *wd = (struct wlsc_input_device *) device;
1273 struct wlsc_compositor *compositor =
1274 (struct wlsc_compositor *) device->compositor;
1275 struct wlsc_binding *b;
1276 struct wlsc_surface *surface =
1277 (struct wlsc_surface *) device->pointer_focus;
1280 wlsc_compositor_idle_inhibit(compositor);
1282 wlsc_compositor_idle_release(compositor);
1284 if (state && surface && device->grab == NULL) {
1285 wlsc_surface_activate(surface, wd, time);
1286 wl_input_device_start_grab(device,
1287 &device->motion_grab,
1291 wl_list_for_each(b, &compositor->binding_list, link) {
1292 if (b->button == button &&
1293 b->modifier == wd->modifier_state && state) {
1294 b->handler(&wd->input_device,
1295 time, 0, button, state, b->data);
1301 device->grab->interface->button(device->grab, time,
1304 if (!state && device->grab && device->grab_button == button)
1305 wl_input_device_end_grab(device, time);
1309 terminate_binding(struct wl_input_device *device, uint32_t time,
1310 uint32_t key, uint32_t button, uint32_t state, void *data)
1312 struct wlsc_compositor *compositor = data;
1315 wl_display_terminate(compositor->wl_display);
1318 WL_EXPORT struct wlsc_binding *
1319 wlsc_compositor_add_binding(struct wlsc_compositor *compositor,
1320 uint32_t key, uint32_t button, uint32_t modifier,
1321 wlsc_binding_handler_t handler, void *data)
1323 struct wlsc_binding *binding;
1325 binding = malloc(sizeof *binding);
1326 if (binding == NULL)
1330 binding->button = button;
1331 binding->modifier = modifier;
1332 binding->handler = handler;
1333 binding->data = data;
1334 wl_list_insert(compositor->binding_list.prev, &binding->link);
1340 wlsc_binding_destroy(struct wlsc_binding *binding)
1342 wl_list_remove(&binding->link);
1347 update_modifier_state(struct wlsc_input_device *device,
1348 uint32_t key, uint32_t state)
1355 modifier = MODIFIER_CTRL;
1360 modifier = MODIFIER_ALT;
1365 modifier = MODIFIER_SUPER;
1374 device->modifier_state |= modifier;
1376 device->modifier_state &= ~modifier;
1380 notify_key(struct wl_input_device *device,
1381 uint32_t time, uint32_t key, uint32_t state)
1383 struct wlsc_input_device *wd = (struct wlsc_input_device *) device;
1384 struct wlsc_compositor *compositor =
1385 (struct wlsc_compositor *) device->compositor;
1387 struct wlsc_binding *b;
1390 wlsc_compositor_idle_inhibit(compositor);
1392 wlsc_compositor_idle_release(compositor);
1394 wl_list_for_each(b, &compositor->binding_list, link) {
1395 if (b->key == key &&
1396 b->modifier == wd->modifier_state) {
1397 b->handler(&wd->input_device,
1398 time, key, 0, state, b->data);
1403 update_modifier_state(wd, key, state);
1404 end = device->keys.data + device->keys.size;
1405 for (k = device->keys.data; k < end; k++) {
1409 device->keys.size = (void *) end - device->keys.data;
1411 k = wl_array_add(&device->keys, sizeof *k);
1415 if (device->keyboard_focus != NULL)
1416 wl_client_post_event(device->keyboard_focus->client,
1418 WL_INPUT_DEVICE_KEY, time, key, state);
1422 notify_pointer_focus(struct wl_input_device *device,
1423 uint32_t time, struct wlsc_output *output,
1424 int32_t x, int32_t y)
1426 struct wlsc_input_device *wd = (struct wlsc_input_device *) device;
1427 struct wlsc_compositor *compositor =
1428 (struct wlsc_compositor *) device->compositor;
1429 struct wlsc_surface *es;
1435 es = pick_surface(device, &sx, &sy);
1436 wl_input_device_set_pointer_focus(device,
1438 time, x, y, sx, sy);
1440 compositor->focus = 1;
1442 wd->sprite->x = device->x - wd->hotspot_x;
1443 wd->sprite->y = device->y - wd->hotspot_y;
1445 wl_input_device_set_pointer_focus(device, NULL,
1447 compositor->focus = 0;
1450 wlsc_surface_damage(wd->sprite);
1454 notify_keyboard_focus(struct wl_input_device *device,
1455 uint32_t time, struct wlsc_output *output,
1456 struct wl_array *keys)
1458 struct wlsc_input_device *wd =
1459 (struct wlsc_input_device *) device;
1460 struct wlsc_compositor *compositor =
1461 (struct wlsc_compositor *) device->compositor;
1462 struct wlsc_surface *es;
1465 if (!wl_list_empty(&compositor->surface_list))
1466 es = container_of(compositor->surface_list.next,
1467 struct wlsc_surface, link);
1472 wl_array_copy(&wd->input_device.keys, keys);
1473 wd->modifier_state = 0;
1474 end = device->keys.data + device->keys.size;
1475 for (k = device->keys.data; k < end; k++) {
1476 wlsc_compositor_idle_inhibit(compositor);
1477 update_modifier_state(wd, *k, 1);
1480 wl_input_device_set_keyboard_focus(&wd->input_device,
1481 &es->surface, time);
1483 end = device->keys.data + device->keys.size;
1484 for (k = device->keys.data; k < end; k++)
1485 wlsc_compositor_idle_release(compositor);
1487 wd->modifier_state = 0;
1488 wl_input_device_set_keyboard_focus(&wd->input_device,
1495 input_device_attach(struct wl_client *client,
1496 struct wl_input_device *device_base,
1498 struct wl_buffer *buffer, int32_t x, int32_t y)
1500 struct wlsc_input_device *device =
1501 (struct wlsc_input_device *) device_base;
1503 if (time < device->input_device.pointer_focus_time)
1505 if (device->input_device.pointer_focus == NULL)
1507 if (device->input_device.pointer_focus->client != client)
1510 if (buffer == NULL) {
1511 wlsc_input_device_set_pointer_image(device,
1512 WLSC_POINTER_LEFT_PTR);
1516 wlsc_input_device_attach_buffer(device, buffer, x, y);
1519 const static struct wl_input_device_interface input_device_interface = {
1520 input_device_attach,
1524 wlsc_input_device_init(struct wlsc_input_device *device,
1525 struct wlsc_compositor *ec)
1527 wl_input_device_init(&device->input_device, &ec->compositor);
1529 device->input_device.object.interface = &wl_input_device_interface;
1530 device->input_device.object.implementation =
1531 (void (**)(void)) &input_device_interface;
1532 wl_display_add_object(ec->wl_display, &device->input_device.object);
1533 wl_display_add_global(ec->wl_display, &device->input_device.object, NULL);
1535 device->sprite = wlsc_surface_create(ec,
1536 device->input_device.x,
1537 device->input_device.y, 32, 32);
1538 wl_list_insert(&ec->surface_list, &device->sprite->link);
1540 device->hotspot_x = 16;
1541 device->hotspot_y = 16;
1542 device->modifier_state = 0;
1544 device->input_device.motion_grab.interface = &motion_grab_interface;
1546 wl_list_insert(ec->input_device_list.prev, &device->link);
1548 wlsc_input_device_set_pointer_image(device, WLSC_POINTER_LEFT_PTR);
1552 wlsc_output_post_geometry(struct wl_client *client,
1553 struct wl_object *global, uint32_t version)
1555 struct wlsc_output *output =
1556 container_of(global, struct wlsc_output, object);
1557 struct wlsc_mode *mode;
1559 wl_client_post_event(client, global,
1566 output->make, output->model);
1568 wl_list_for_each (mode, &output->mode_list, link) {
1569 wl_client_post_event(client, global,
1572 mode->width, mode->height, mode->refresh);
1576 static const char vertex_shader[] =
1577 "uniform mat4 proj;\n"
1578 "attribute vec2 position;\n"
1579 "attribute vec2 texcoord;\n"
1580 "varying vec2 v_texcoord;\n"
1583 " gl_Position = proj * vec4(position, 0.0, 1.0);\n"
1584 " v_texcoord = texcoord;\n"
1587 static const char texture_fragment_shader[] =
1588 "precision mediump float;\n"
1589 "varying vec2 v_texcoord;\n"
1590 "uniform sampler2D tex;\n"
1593 " gl_FragColor = texture2D(tex, v_texcoord)\n;"
1596 static const char solid_fragment_shader[] =
1597 "precision mediump float;\n"
1598 "uniform vec4 color;\n"
1601 " gl_FragColor = color\n;"
1605 compile_shader(GLenum type, const char *source)
1611 s = glCreateShader(type);
1612 glShaderSource(s, 1, &source, NULL);
1614 glGetShaderiv(s, GL_COMPILE_STATUS, &status);
1616 glGetShaderInfoLog(s, sizeof msg, NULL, msg);
1617 fprintf(stderr, "shader info: %s\n", msg);
1625 wlsc_shader_init(struct wlsc_shader *shader,
1626 const char *vertex_source, const char *fragment_source)
1631 shader->vertex_shader =
1632 compile_shader(GL_VERTEX_SHADER, vertex_source);
1633 shader->fragment_shader =
1634 compile_shader(GL_FRAGMENT_SHADER, fragment_source);
1636 shader->program = glCreateProgram();
1637 glAttachShader(shader->program, shader->vertex_shader);
1638 glAttachShader(shader->program, shader->fragment_shader);
1639 glBindAttribLocation(shader->program, 0, "position");
1640 glBindAttribLocation(shader->program, 1, "texcoord");
1642 glLinkProgram(shader->program);
1643 glGetProgramiv(shader->program, GL_LINK_STATUS, &status);
1645 glGetProgramInfoLog(shader->program, sizeof msg, NULL, msg);
1646 fprintf(stderr, "link info: %s\n", msg);
1650 shader->proj_uniform = glGetUniformLocation(shader->program, "proj");
1651 shader->tex_uniform = glGetUniformLocation(shader->program, "tex");
1657 init_solid_shader(struct wlsc_shader *shader,
1658 GLuint vertex_shader, const char *fragment_source)
1663 shader->vertex_shader = vertex_shader;
1664 shader->fragment_shader =
1665 compile_shader(GL_FRAGMENT_SHADER, fragment_source);
1667 shader->program = glCreateProgram();
1668 glAttachShader(shader->program, shader->vertex_shader);
1669 glAttachShader(shader->program, shader->fragment_shader);
1670 glBindAttribLocation(shader->program, 0, "position");
1671 glBindAttribLocation(shader->program, 1, "texcoord");
1673 glLinkProgram(shader->program);
1674 glGetProgramiv(shader->program, GL_LINK_STATUS, &status);
1676 glGetProgramInfoLog(shader->program, sizeof msg, NULL, msg);
1677 fprintf(stderr, "link info: %s\n", msg);
1681 shader->proj_uniform = glGetUniformLocation(shader->program, "proj");
1682 shader->color_uniform = glGetUniformLocation(shader->program, "color");
1688 wlsc_output_destroy(struct wlsc_output *output)
1690 pixman_region32_fini(&output->region);
1691 pixman_region32_fini(&output->previous_damage_region);
1692 destroy_surface(&output->background->surface.resource, NULL);
1696 wlsc_output_move(struct wlsc_output *output, int x, int y)
1698 struct wlsc_compositor *c = output->compositor;
1704 if (output->background) {
1705 output->background->x = x;
1706 output->background->y = y;
1709 pixman_region32_init(&output->previous_damage_region);
1710 pixman_region32_init_rect(&output->region, x, y,
1711 output->current->width,
1712 output->current->height);
1714 wlsc_matrix_init(&output->matrix);
1715 wlsc_matrix_translate(&output->matrix,
1716 -output->x - output->current->width / 2.0,
1717 -output->y - output->current->height / 2.0, 0);
1719 flip = (output->flags & WL_OUTPUT_FLIPPED) ? -1 : 1;
1720 wlsc_matrix_scale(&output->matrix,
1721 2.0 / output->current->width,
1722 flip * 2.0 / output->current->height, 1);
1724 pixman_region32_union(&c->damage_region,
1725 &c->damage_region, &output->region);
1729 wlsc_output_init(struct wlsc_output *output, struct wlsc_compositor *c,
1730 int x, int y, int width, int height, uint32_t flags)
1732 output->compositor = c;
1735 output->mm_width = width;
1736 output->mm_height = height;
1738 output->background =
1739 background_create(output, option_background);
1741 output->flags = flags;
1742 wlsc_output_move(output, x, y);
1744 output->scanout_buffer_destroy_listener.func =
1745 output_handle_scanout_buffer_destroy;
1746 wl_list_init(&output->scanout_buffer_destroy_listener.link);
1748 output->object.interface = &wl_output_interface;
1749 wl_display_add_object(c->wl_display, &output->object);
1750 wl_display_add_global(c->wl_display, &output->object,
1751 wlsc_output_post_geometry);
1755 shm_buffer_created(struct wl_buffer *buffer)
1757 struct wl_list *surfaces_attached_to;
1759 surfaces_attached_to = malloc(sizeof *surfaces_attached_to);
1760 if (!surfaces_attached_to) {
1761 buffer->user_data = NULL;
1765 wl_list_init(surfaces_attached_to);
1767 buffer->user_data = surfaces_attached_to;
1771 shm_buffer_damaged(struct wl_buffer *buffer,
1772 int32_t x, int32_t y, int32_t width, int32_t height)
1774 struct wl_list *surfaces_attached_to = buffer->user_data;
1775 struct wlsc_surface *es;
1776 GLsizei tex_width = wl_shm_buffer_get_stride(buffer) / 4;
1778 wl_list_for_each(es, surfaces_attached_to, buffer_link) {
1779 glBindTexture(GL_TEXTURE_2D, es->texture);
1780 glTexImage2D(GL_TEXTURE_2D, 0, GL_BGRA_EXT,
1781 tex_width, buffer->height, 0,
1782 GL_BGRA_EXT, GL_UNSIGNED_BYTE,
1783 wl_shm_buffer_get_data(buffer));
1784 /* Hmm, should use glTexSubImage2D() here but GLES2 doesn't
1785 * support any unpack attributes except GL_UNPACK_ALIGNMENT. */
1790 shm_buffer_destroyed(struct wl_buffer *buffer)
1792 struct wl_list *surfaces_attached_to = buffer->user_data;
1793 struct wlsc_surface *es, *next;
1795 wl_list_for_each_safe(es, next, surfaces_attached_to, buffer_link) {
1796 wl_list_remove(&es->buffer_link);
1797 wl_list_init(&es->buffer_link);
1800 free(surfaces_attached_to);
1803 const static struct wl_shm_callbacks shm_callbacks = {
1806 shm_buffer_destroyed
1810 wlsc_compositor_init(struct wlsc_compositor *ec, struct wl_display *display)
1812 struct wl_event_loop *loop;
1813 const char *extensions;
1815 ec->wl_display = display;
1817 wl_compositor_init(&ec->compositor, &compositor_interface, display);
1819 ec->shm = wl_shm_init(display, &shm_callbacks);
1821 ec->image_target_texture_2d =
1822 (void *) eglGetProcAddress("glEGLImageTargetTexture2DOES");
1823 ec->image_target_renderbuffer_storage = (void *)
1824 eglGetProcAddress("glEGLImageTargetRenderbufferStorageOES");
1825 ec->create_image = (void *) eglGetProcAddress("eglCreateImageKHR");
1826 ec->destroy_image = (void *) eglGetProcAddress("eglDestroyImageKHR");
1828 (void *) eglGetProcAddress("eglBindWaylandDisplayWL");
1829 ec->unbind_display =
1830 (void *) eglGetProcAddress("eglUnbindWaylandDisplayWL");
1832 extensions = (const char *) glGetString(GL_EXTENSIONS);
1833 if (!strstr(extensions, "GL_EXT_texture_format_BGRA8888")) {
1835 "GL_EXT_texture_format_BGRA8888 not available\n");
1840 (const char *) eglQueryString(ec->display, EGL_EXTENSIONS);
1841 if (strstr(extensions, "EGL_WL_bind_wayland_display"))
1842 ec->has_bind_display = 1;
1843 if (ec->has_bind_display)
1844 ec->bind_display(ec->display, ec->wl_display);
1846 wl_list_init(&ec->surface_list);
1847 wl_list_init(&ec->input_device_list);
1848 wl_list_init(&ec->output_list);
1849 wl_list_init(&ec->binding_list);
1850 wl_list_init(&ec->animation_list);
1851 wlsc_spring_init(&ec->fade.spring, 0.8, 0.0, 0.0);
1852 ec->fade.animation.frame = fade_frame;
1853 wl_list_init(&ec->fade.animation.link);
1855 wlsc_compositor_add_binding(ec, KEY_BACKSPACE, 0,
1856 MODIFIER_CTRL | MODIFIER_ALT,
1857 terminate_binding, ec);
1859 create_pointer_images(ec);
1861 screenshooter_create(ec);
1863 glActiveTexture(GL_TEXTURE0);
1865 if (wlsc_shader_init(&ec->texture_shader,
1866 vertex_shader, texture_fragment_shader) < 0)
1868 if (init_solid_shader(&ec->solid_shader,
1869 ec->texture_shader.vertex_shader,
1870 solid_fragment_shader) < 0)
1873 loop = wl_display_get_event_loop(ec->wl_display);
1874 ec->idle_source = wl_event_loop_add_timer(loop, idle_handler, ec);
1875 wl_event_source_timer_update(ec->idle_source, option_idle_time * 1000);
1877 pixman_region32_init(&ec->damage_region);
1878 wlsc_compositor_schedule_repaint(ec);
1883 static int on_term_signal(int signal_number, void *data)
1885 struct wlsc_compositor *ec = data;
1887 wl_display_terminate(ec->wl_display);
1893 load_module(const char *name, const char *entrypoint, void **handle)
1895 char path[PATH_MAX];
1896 void *module, *init;
1899 snprintf(path, sizeof path, MODULEDIR "/%s", name);
1901 snprintf(path, sizeof path, "%s", name);
1903 module = dlopen(path, RTLD_LAZY);
1906 "failed to load module: %s\n", dlerror());
1910 init = dlsym(module, entrypoint);
1913 "failed to lookup init function: %s\n", dlerror());
1920 int main(int argc, char *argv[])
1922 struct wl_display *display;
1923 struct wlsc_compositor *ec;
1924 struct wl_event_loop *loop;
1926 void *shell_module, *backend_module;
1927 int (*shell_init)(struct wlsc_compositor *ec);
1928 struct wlsc_compositor
1929 *(*backend_init)(struct wl_display *display, char *options);
1930 char *backend = NULL;
1931 char *backend_options = "";
1935 static const char opts[] = "B:b:o:S:i:s:x";
1936 static const struct option longopts[ ] = {
1937 { "backend", 1, NULL, 'B' },
1938 { "backend-options", 1, NULL, 'o' },
1939 { "background", 1, NULL, 'b' },
1940 { "socket", 1, NULL, 'S' },
1941 { "idle-time", 1, NULL, 'i' },
1942 { "shell", 1, NULL, 's' },
1943 { "xserver", 0, NULL, 'x' },
1947 while (o = getopt_long(argc, argv, opts, longopts, &o), o > 0) {
1950 option_background = optarg;
1956 backend_options = optarg;
1959 option_socket_name = optarg;
1962 option_idle_time = strtol(optarg, &p, 0);
1965 "invalid idle time option: %s\n",
1979 display = wl_display_create();
1984 if (getenv("WAYLAND_DISPLAY"))
1985 backend = "wayland-backend.so";
1986 else if (getenv("DISPLAY"))
1987 backend = "x11-backend.so";
1988 else if (getenv("OPENWFD"))
1989 backend = "openwfd-backend.so";
1991 backend = "drm-backend.so";
1995 shell = "desktop-shell.so";
1997 backend_init = load_module(backend, "backend_init", &backend_module);
2001 shell_init = load_module(shell, "shell_init", &shell_module);
2005 ec = backend_init(display, backend_options);
2007 fprintf(stderr, "failed to create compositor\n");
2011 if (shell_init(ec) < 0)
2015 wlsc_xserver_init(display);
2017 if (wl_display_add_socket(display, option_socket_name)) {
2018 fprintf(stderr, "failed to add socket: %m\n");
2022 loop = wl_display_get_event_loop(ec->wl_display);
2023 wl_event_loop_add_signal(loop, SIGTERM, on_term_signal, ec);
2024 wl_event_loop_add_signal(loop, SIGINT, on_term_signal, ec);
2026 wl_list_init(&child_process_list);
2027 wl_event_loop_add_signal(loop, SIGCHLD, sigchld_handler, NULL);
2029 wl_display_run(display);
2031 if (ec->has_bind_display)
2032 ec->unbind_display(ec->display, display);
2033 wl_display_destroy(display);