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 pixman_region32_init(&surface->damage);
258 pixman_region32_init(&surface->opaque);
260 surface->buffer_destroy_listener.func = surface_handle_buffer_destroy;
261 wl_list_init(&surface->buffer_destroy_listener.link);
263 surface->transform = NULL;
269 wlsc_surface_damage_rectangle(struct wlsc_surface *surface,
270 int32_t x, int32_t y,
271 int32_t width, int32_t height)
273 struct wlsc_compositor *compositor = surface->compositor;
275 pixman_region32_union_rect(&surface->damage,
277 surface->x + x, surface->y + y,
279 wlsc_compositor_schedule_repaint(compositor);
283 wlsc_surface_damage(struct wlsc_surface *surface)
285 wlsc_surface_damage_rectangle(surface, 0, 0,
286 surface->width, surface->height);
290 wlsc_surface_damage_below(struct wlsc_surface *surface)
292 struct wlsc_surface *below;
294 if (surface->link.next == &surface->compositor->surface_list)
297 below = container_of(surface->link.next, struct wlsc_surface, link);
299 pixman_region32_union_rect(&below->damage,
301 surface->x, surface->y,
302 surface->width, surface->height);
303 wlsc_compositor_schedule_repaint(surface->compositor);
307 wlsc_surface_configure(struct wlsc_surface *surface,
308 int x, int y, int width, int height)
310 struct wlsc_compositor *compositor = surface->compositor;
312 wlsc_surface_damage_below(surface);
316 surface->width = width;
317 surface->height = height;
319 wlsc_surface_assign_output(surface);
320 wlsc_surface_damage(surface);
322 pixman_region32_fini(&surface->opaque);
323 if (surface->visual == &compositor->compositor.rgb_visual)
324 pixman_region32_init_rect(&surface->opaque,
325 surface->x, surface->y,
326 surface->width, surface->height);
328 pixman_region32_init(&surface->opaque);
332 wlsc_compositor_get_time(void)
336 gettimeofday(&tv, NULL);
338 return tv.tv_sec * 1000 + tv.tv_usec / 1000;
342 destroy_surface(struct wl_resource *resource, struct wl_client *client)
344 struct wlsc_surface *surface =
345 container_of(resource, struct wlsc_surface, surface.resource);
346 struct wlsc_compositor *compositor = surface->compositor;
348 wlsc_surface_damage_below(surface);
350 wl_list_remove(&surface->link);
351 if (surface->saved_texture == 0)
352 glDeleteTextures(1, &surface->texture);
354 glDeleteTextures(1, &surface->saved_texture);
357 wl_list_remove(&surface->buffer_destroy_listener.link);
359 if (surface->image != EGL_NO_IMAGE_KHR)
360 compositor->destroy_image(compositor->display,
363 wl_list_remove(&surface->buffer_link);
369 wlsc_buffer_attach(struct wl_buffer *buffer, struct wl_surface *surface)
371 struct wlsc_surface *es = (struct wlsc_surface *) surface;
372 struct wlsc_compositor *ec = es->compositor;
373 struct wl_list *surfaces_attached_to;
375 if (es->saved_texture != 0)
376 es->texture = es->saved_texture;
378 glBindTexture(GL_TEXTURE_2D, es->texture);
380 if (wl_buffer_is_shm(buffer)) {
381 /* Unbind any EGLImage texture that may be bound, so we don't
383 glTexImage2D(GL_TEXTURE_2D, 0, GL_BGRA_EXT,
384 0, 0, 0, GL_BGRA_EXT, GL_UNSIGNED_BYTE, NULL);
385 es->pitch = wl_shm_buffer_get_stride(buffer) / 4;
386 glTexImage2D(GL_TEXTURE_2D, 0, GL_BGRA_EXT,
387 es->pitch, buffer->height, 0,
388 GL_BGRA_EXT, GL_UNSIGNED_BYTE,
389 wl_shm_buffer_get_data(buffer));
390 es->visual = buffer->visual;
392 surfaces_attached_to = buffer->user_data;
394 wl_list_remove(&es->buffer_link);
395 wl_list_insert(surfaces_attached_to, &es->buffer_link);
397 if (es->image != EGL_NO_IMAGE_KHR)
398 ec->destroy_image(ec->display, es->image);
399 es->image = ec->create_image(ec->display, NULL,
400 EGL_WAYLAND_BUFFER_WL,
403 ec->image_target_texture_2d(GL_TEXTURE_2D, es->image);
404 es->visual = buffer->visual;
405 es->pitch = es->width;
410 wlsc_sprite_attach(struct wlsc_sprite *sprite, struct wl_surface *surface)
412 struct wlsc_surface *es = (struct wlsc_surface *) surface;
413 struct wlsc_compositor *ec = es->compositor;
415 es->pitch = es->width;
416 es->image = sprite->image;
417 if (sprite->image != EGL_NO_IMAGE_KHR) {
418 glBindTexture(GL_TEXTURE_2D, es->texture);
419 ec->image_target_texture_2d(GL_TEXTURE_2D, es->image);
421 if (es->saved_texture == 0)
422 es->saved_texture = es->texture;
423 es->texture = sprite->texture;
426 es->visual = sprite->visual;
433 SPRITE_USE_CURSOR = (1 << 0),
436 static struct wlsc_sprite *
437 create_sprite_from_png(struct wlsc_compositor *ec,
438 const char *filename, uint32_t usage)
441 struct wlsc_sprite *sprite;
442 int32_t width, height;
445 pixels = wlsc_load_image(filename, &width, &height, &stride);
449 sprite = malloc(sizeof *sprite);
450 if (sprite == NULL) {
455 sprite->visual = &ec->compositor.premultiplied_argb_visual;
456 sprite->width = width;
457 sprite->height = height;
458 sprite->image = EGL_NO_IMAGE_KHR;
460 if (usage & SPRITE_USE_CURSOR && ec->create_cursor_image != NULL)
461 sprite->image = ec->create_cursor_image(ec, width, height);
463 glGenTextures(1, &sprite->texture);
464 glBindTexture(GL_TEXTURE_2D, sprite->texture);
465 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
466 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
467 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
468 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
470 if (sprite->image != EGL_NO_IMAGE_KHR) {
471 ec->image_target_texture_2d(GL_TEXTURE_2D, sprite->image);
472 glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, width, height,
473 GL_BGRA_EXT, GL_UNSIGNED_BYTE, pixels);
475 glTexImage2D(GL_TEXTURE_2D, 0, GL_BGRA_EXT, width, height, 0,
476 GL_BGRA_EXT, GL_UNSIGNED_BYTE, pixels);
484 static const struct {
485 const char *filename;
486 int hotspot_x, hotspot_y;
487 } pointer_images[] = {
488 { DATADIR "/wayland/bottom_left_corner.png", 6, 30 },
489 { DATADIR "/wayland/bottom_right_corner.png", 28, 28 },
490 { DATADIR "/wayland/bottom_side.png", 16, 20 },
491 { DATADIR "/wayland/grabbing.png", 20, 17 },
492 { DATADIR "/wayland/left_ptr.png", 10, 5 },
493 { DATADIR "/wayland/left_side.png", 10, 20 },
494 { DATADIR "/wayland/right_side.png", 30, 19 },
495 { DATADIR "/wayland/top_left_corner.png", 8, 8 },
496 { DATADIR "/wayland/top_right_corner.png", 26, 8 },
497 { DATADIR "/wayland/top_side.png", 18, 8 },
498 { DATADIR "/wayland/xterm.png", 15, 15 }
502 create_pointer_images(struct wlsc_compositor *ec)
506 count = ARRAY_LENGTH(pointer_images);
507 ec->pointer_sprites = malloc(count * sizeof *ec->pointer_sprites);
508 for (i = 0; i < count; i++) {
509 ec->pointer_sprites[i] =
510 create_sprite_from_png(ec,
511 pointer_images[i].filename,
516 static struct wlsc_surface *
517 background_create(struct wlsc_output *output, const char *filename)
519 struct wlsc_surface *background;
520 struct wlsc_sprite *sprite;
522 background = wlsc_surface_create(output->compositor,
523 output->x, output->y,
524 output->current->width,
525 output->current->height);
526 if (background == NULL)
529 sprite = create_sprite_from_png(output->compositor, filename, 0);
530 if (sprite == NULL) {
535 wlsc_sprite_attach(sprite, &background->surface);
541 texture_region(struct wlsc_surface *es, pixman_region32_t *region)
543 struct wlsc_compositor *ec = es->compositor;
544 GLfloat *v, inv_width, inv_height;
545 pixman_box32_t *rectangles;
549 rectangles = pixman_region32_rectangles(region, &n);
550 v = wl_array_add(&ec->vertices, n * 16 * sizeof *v);
551 p = wl_array_add(&ec->indices, n * 6 * sizeof *p);
552 inv_width = 1.0 / es->pitch;
553 inv_height = 1.0 / es->height;
555 for (i = 0; i < n; i++, v += 16, p += 6) {
556 v[ 0] = rectangles[i].x1;
557 v[ 1] = rectangles[i].y1;
558 v[ 2] = (GLfloat) (rectangles[i].x1 - es->x) * inv_width;
559 v[ 3] = (GLfloat) (rectangles[i].y1 - es->y) * inv_height;
561 v[ 4] = rectangles[i].x1;
562 v[ 5] = rectangles[i].y2;
564 v[ 7] = (GLfloat) (rectangles[i].y2 - es->y) * inv_height;
566 v[ 8] = rectangles[i].x2;
567 v[ 9] = rectangles[i].y1;
568 v[10] = (GLfloat) (rectangles[i].x2 - es->x) * inv_width;
571 v[12] = rectangles[i].x2;
572 v[13] = rectangles[i].y2;
588 transform_vertex(struct wlsc_surface *surface,
589 GLfloat x, GLfloat y, GLfloat u, GLfloat v, GLfloat *r)
591 struct wlsc_vector t;
598 wlsc_matrix_transform(&surface->transform->matrix, &t);
607 texture_transformed_surface(struct wlsc_surface *es)
609 struct wlsc_compositor *ec = es->compositor;
613 v = wl_array_add(&ec->vertices, 16 * sizeof *v);
614 p = wl_array_add(&ec->indices, 6 * sizeof *p);
616 transform_vertex(es, es->x, es->y, 0.0, 0.0, &v[0]);
617 transform_vertex(es, es->x, es->y + es->height, 0.0, 1.0, &v[4]);
618 transform_vertex(es, es->x + es->width, es->y, 1.0, 0.0, &v[8]);
619 transform_vertex(es, es->x + es->width, es->y + es->height,
633 wlsc_surface_draw(struct wlsc_surface *es,
634 struct wlsc_output *output, pixman_region32_t *clip)
636 struct wlsc_compositor *ec = es->compositor;
638 pixman_region32_t repaint;
642 pixman_region32_init_rect(&repaint,
643 es->x, es->y, es->width, es->height);
644 pixman_region32_intersect(&repaint, &repaint, clip);
645 if (!pixman_region32_not_empty(&repaint))
648 if (es->visual == &ec->compositor.argb_visual) {
649 glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
651 } else if (es->visual == &ec->compositor.premultiplied_argb_visual) {
652 glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
658 if (es->transform == NULL) {
660 n = texture_region(es, &repaint);
663 n = texture_transformed_surface(es);
666 glBindTexture(GL_TEXTURE_2D, es->texture);
667 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, filter);
668 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, filter);
670 v = ec->vertices.data;
671 glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 4 * sizeof *v, &v[0]);
672 glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, 4 * sizeof *v, &v[2]);
673 glEnableVertexAttribArray(0);
674 glEnableVertexAttribArray(1);
675 glDrawElements(GL_TRIANGLES, n * 6, GL_UNSIGNED_INT, ec->indices.data);
677 ec->vertices.size = 0;
678 ec->indices.size = 0;
679 pixman_region32_fini(&repaint);
683 wlsc_surface_raise(struct wlsc_surface *surface)
685 struct wlsc_compositor *compositor = surface->compositor;
687 wl_list_remove(&surface->link);
688 wl_list_insert(&compositor->surface_list, &surface->link);
689 wlsc_surface_damage(surface);
693 wlsc_compositor_damage_all(struct wlsc_compositor *compositor)
695 struct wlsc_output *output;
697 wl_list_for_each(output, &compositor->output_list, link)
698 wlsc_output_damage(output);
702 wlsc_buffer_post_release(struct wl_buffer *buffer)
704 if (buffer == NULL || --buffer->busy_count > 0)
707 assert(buffer->client != NULL);
708 wl_client_post_event(buffer->client,
709 &buffer->resource.object,
714 wlsc_output_damage(struct wlsc_output *output)
716 struct wlsc_compositor *compositor = output->compositor;
718 pixman_region32_union(&compositor->damage,
719 &compositor->damage, &output->region);
720 wlsc_compositor_schedule_repaint(compositor);
724 fade_frame(struct wlsc_animation *animation,
725 struct wlsc_output *output, uint32_t msecs)
727 struct wlsc_compositor *compositor =
728 container_of(animation,
729 struct wlsc_compositor, fade.animation);
731 wlsc_spring_update(&compositor->fade.spring, msecs);
732 if (wlsc_spring_done(&compositor->fade.spring)) {
733 if (compositor->fade.spring.current > 0.999) {
734 compositor->state = WLSC_COMPOSITOR_SLEEPING;
735 compositor->shell->lock(compositor->shell);
737 compositor->fade.spring.current =
738 compositor->fade.spring.target;
739 wl_list_remove(&animation->link);
740 wl_list_init(&animation->link);
743 wlsc_output_damage(output);
747 fade_output(struct wlsc_output *output,
748 GLfloat tint, pixman_region32_t *region)
750 struct wlsc_compositor *compositor = output->compositor;
751 struct wlsc_surface surface;
752 GLfloat color[4] = { 0.0, 0.0, 0.0, tint };
754 surface.compositor = compositor;
755 surface.x = output->x;
756 surface.y = output->y;
757 surface.width = output->current->width;
758 surface.height = output->current->height;
759 surface.texture = GL_NONE;
760 surface.transform = NULL;
764 &compositor->compositor.premultiplied_argb_visual;
766 surface.visual = &compositor->compositor.rgb_visual;
768 glUseProgram(compositor->solid_shader.program);
769 glUniformMatrix4fv(compositor->solid_shader.proj_uniform,
770 1, GL_FALSE, output->matrix.d);
771 glUniform4fv(compositor->solid_shader.color_uniform, 1, color);
772 wlsc_surface_draw(&surface, output, region);
776 wlsc_output_set_cursor(struct wlsc_output *output,
777 struct wl_input_device *dev, int force_sw)
779 struct wlsc_compositor *ec = output->compositor;
780 struct wlsc_input_device *device = (struct wlsc_input_device *) dev;
781 pixman_region32_t cursor_region;
782 int use_hardware_cursor = 1, prior_was_hardware;
784 pixman_region32_init_rect(&cursor_region,
785 device->sprite->x, device->sprite->y,
786 device->sprite->width,
787 device->sprite->height);
789 pixman_region32_intersect(&cursor_region, &cursor_region, &output->region);
791 if (!pixman_region32_not_empty(&cursor_region)) {
792 output->set_hardware_cursor(output, NULL);
796 prior_was_hardware = wl_list_empty(&device->sprite->link);
797 if (force_sw || output->set_hardware_cursor(output, device) < 0) {
798 if (prior_was_hardware)
799 wlsc_surface_damage(device->sprite);
800 use_hardware_cursor = 0;
801 } else if (!prior_was_hardware) {
802 wlsc_surface_damage_below(device->sprite);
805 /* Remove always to be on top. */
806 wl_list_remove(&device->sprite->link);
807 if (!use_hardware_cursor)
808 wl_list_insert(&ec->surface_list, &device->sprite->link);
810 wl_list_init(&device->sprite->link);
813 pixman_region32_fini(&cursor_region);
817 wlsc_output_repaint(struct wlsc_output *output)
819 struct wlsc_compositor *ec = output->compositor;
820 struct wlsc_surface *es;
821 pixman_region32_t opaque, new_damage, total_damage, repaint;
823 output->prepare_render(output);
825 glViewport(0, 0, output->current->width, output->current->height);
827 glUseProgram(ec->texture_shader.program);
828 glUniformMatrix4fv(ec->texture_shader.proj_uniform,
829 1, GL_FALSE, output->matrix.d);
830 glUniform1i(ec->texture_shader.tex_uniform, 0);
832 wlsc_output_set_cursor(output, ec->input_device,
833 !(ec->focus && ec->fade.spring.current < 0.001));
835 pixman_region32_init(&new_damage);
836 pixman_region32_copy(&new_damage, &ec->damage);
837 pixman_region32_init(&opaque);
839 wl_list_for_each(es, &ec->surface_list, link) {
840 pixman_region32_subtract(&es->damage, &es->damage, &opaque);
841 pixman_region32_union(&new_damage, &new_damage, &es->damage);
842 pixman_region32_union(&opaque, &opaque, &es->opaque);
845 pixman_region32_subtract(&ec->damage, &ec->damage, &output->region);
847 pixman_region32_init(&total_damage);
848 pixman_region32_union(&total_damage, &new_damage,
849 &output->previous_damage);
850 pixman_region32_intersect(&output->previous_damage,
851 &new_damage, &output->region);
853 pixman_region32_fini(&opaque);
854 pixman_region32_fini(&new_damage);
856 es = container_of(ec->surface_list.next, struct wlsc_surface, link);
858 if (es->visual == &ec->compositor.rgb_visual &&
859 output->prepare_scanout_surface(output, es) == 0) {
860 /* We're drawing nothing now,
861 * draw the damaged regions later. */
862 pixman_region32_union(&ec->damage, &ec->damage, &total_damage);
864 output->scanout_buffer = es->buffer;
865 output->scanout_buffer->busy_count++;
867 wl_list_remove(&output->scanout_buffer_destroy_listener.link);
868 wl_list_insert(output->scanout_buffer->resource.destroy_listener_list.prev,
869 &output->scanout_buffer_destroy_listener.link);
874 if (es->fullscreen_output == output) {
875 if (es->width < output->current->width ||
876 es->height < output->current->height)
877 glClear(GL_COLOR_BUFFER_BIT);
878 wlsc_surface_draw(es, output, &total_damage);
880 wl_list_for_each(es, &ec->surface_list, link) {
881 pixman_region32_copy(&es->damage, &total_damage);
882 pixman_region32_subtract(&total_damage, &total_damage, &es->opaque);
885 wl_list_for_each_reverse(es, &ec->surface_list, link) {
886 pixman_region32_init(&repaint);
887 pixman_region32_intersect(&repaint, &output->region,
889 wlsc_surface_draw(es, output, &repaint);
890 pixman_region32_subtract(&es->damage,
891 &es->damage, &output->region);
895 if (ec->fade.spring.current > 0.001)
896 fade_output(output, ec->fade.spring.current, &total_damage);
900 repaint(void *data, int msecs)
902 struct wlsc_output *output = data;
903 struct wlsc_compositor *compositor = output->compositor;
904 struct wlsc_surface *es;
905 struct wlsc_animation *animation, *next;
907 wlsc_output_repaint(output);
908 output->repaint_needed = 0;
909 output->repaint_scheduled = 1;
910 output->present(output);
912 /* FIXME: Keep the surfaces in an per-output list. */
913 wl_list_for_each(es, &compositor->surface_list, link) {
914 if (es->output == output) {
915 wl_display_post_frame(compositor->wl_display,
916 &es->surface, msecs);
920 wl_list_for_each_safe(animation, next,
921 &compositor->animation_list, link)
922 animation->frame(animation, output, msecs);
926 idle_repaint(void *data)
928 repaint(data, wlsc_compositor_get_time());
932 wlsc_output_finish_frame(struct wlsc_output *output, int msecs)
934 wlsc_buffer_post_release(output->scanout_buffer);
935 output->scanout_buffer = NULL;
936 output->repaint_scheduled = 0;
938 if (output->repaint_needed)
939 repaint(output, msecs);
943 wlsc_compositor_schedule_repaint(struct wlsc_compositor *compositor)
945 struct wlsc_output *output;
946 struct wl_event_loop *loop;
948 if (compositor->state == WLSC_COMPOSITOR_SLEEPING)
951 loop = wl_display_get_event_loop(compositor->wl_display);
952 wl_list_for_each(output, &compositor->output_list, link) {
953 output->repaint_needed = 1;
954 if (output->repaint_scheduled)
957 wl_event_loop_add_idle(loop, idle_repaint, output);
958 output->repaint_scheduled = 1;
963 wlsc_compositor_fade(struct wlsc_compositor *compositor, float tint)
967 done = wlsc_spring_done(&compositor->fade.spring);
968 compositor->fade.spring.target = tint;
969 if (wlsc_spring_done(&compositor->fade.spring))
973 compositor->fade.spring.timestamp =
974 wlsc_compositor_get_time();
976 wlsc_compositor_damage_all(compositor);
977 if (wl_list_empty(&compositor->fade.animation.link))
978 wl_list_insert(compositor->animation_list.prev,
979 &compositor->fade.animation.link);
983 surface_destroy(struct wl_client *client,
984 struct wl_surface *surface)
986 wl_resource_destroy(&surface->resource, client,
987 wlsc_compositor_get_time());
991 wlsc_surface_assign_output(struct wlsc_surface *es)
993 struct wlsc_compositor *ec = es->compositor;
994 struct wlsc_output *output;
995 pixman_region32_t region;
1000 wl_list_for_each(output, &ec->output_list, link) {
1001 pixman_region32_init_rect(®ion,
1002 es->x, es->y, es->width, es->height);
1003 pixman_region32_intersect(®ion, ®ion, &output->region);
1005 e = pixman_region32_extents(®ion);
1006 area = (e->x2 - e->x1) * (e->y2 - e->y1);
1009 es->output = output;
1016 surface_attach(struct wl_client *client,
1017 struct wl_surface *surface, struct wl_buffer *buffer,
1018 int32_t x, int32_t y)
1020 struct wlsc_surface *es = (struct wlsc_surface *) surface;
1022 buffer->busy_count++;
1023 wlsc_buffer_post_release(es->buffer);
1025 es->buffer = buffer;
1026 wl_list_remove(&es->buffer_destroy_listener.link);
1027 wl_list_insert(es->buffer->resource.destroy_listener_list.prev,
1028 &es->buffer_destroy_listener.link);
1030 if (es->visual == NULL)
1031 wl_list_insert(&es->compositor->surface_list, &es->link);
1033 es->visual = buffer->visual;
1034 if (x != 0 || y != 0 ||
1035 es->width != buffer->width || es->height != buffer->height)
1036 wlsc_surface_configure(es, es->x + x, es->y + y,
1037 buffer->width, buffer->height);
1039 wlsc_buffer_attach(buffer, surface);
1041 es->compositor->shell->attach(es->compositor->shell, es);
1045 surface_damage(struct wl_client *client,
1046 struct wl_surface *surface,
1047 int32_t x, int32_t y, int32_t width, int32_t height)
1049 struct wlsc_surface *es = (struct wlsc_surface *) surface;
1051 wlsc_surface_damage_rectangle(es, x, y, width, height);
1054 const static struct wl_surface_interface surface_interface = {
1061 wlsc_input_device_attach(struct wlsc_input_device *device,
1062 int x, int y, int width, int height)
1064 wlsc_surface_damage_below(device->sprite);
1066 device->hotspot_x = x;
1067 device->hotspot_y = y;
1069 device->sprite->x = device->input_device.x - device->hotspot_x;
1070 device->sprite->y = device->input_device.y - device->hotspot_y;
1071 device->sprite->width = width;
1072 device->sprite->height = height;
1074 wlsc_surface_damage(device->sprite);
1078 wlsc_input_device_attach_buffer(struct wlsc_input_device *device,
1079 struct wl_buffer *buffer, int x, int y)
1081 wlsc_buffer_attach(buffer, &device->sprite->surface);
1082 wlsc_input_device_attach(device, x, y, buffer->width, buffer->height);
1086 wlsc_input_device_attach_sprite(struct wlsc_input_device *device,
1087 struct wlsc_sprite *sprite, int x, int y)
1089 wlsc_sprite_attach(sprite, &device->sprite->surface);
1090 wlsc_input_device_attach(device, x, y, sprite->width, sprite->height);
1094 wlsc_input_device_set_pointer_image(struct wlsc_input_device *device,
1095 enum wlsc_pointer_type type)
1097 struct wlsc_compositor *compositor =
1098 (struct wlsc_compositor *) device->input_device.compositor;
1100 wlsc_input_device_attach_sprite(device,
1101 compositor->pointer_sprites[type],
1102 pointer_images[type].hotspot_x,
1103 pointer_images[type].hotspot_y);
1107 compositor_create_surface(struct wl_client *client,
1108 struct wl_compositor *compositor, uint32_t id)
1110 struct wlsc_compositor *ec = (struct wlsc_compositor *) compositor;
1111 struct wlsc_surface *surface;
1113 surface = wlsc_surface_create(ec, 0, 0, 0, 0);
1114 if (surface == NULL) {
1115 wl_client_post_no_memory(client);
1119 surface->surface.resource.destroy = destroy_surface;
1121 surface->surface.resource.object.id = id;
1122 surface->surface.resource.object.interface = &wl_surface_interface;
1123 surface->surface.resource.object.implementation =
1124 (void (**)(void)) &surface_interface;
1125 surface->surface.client = client;
1127 wl_client_add_resource(client, &surface->surface.resource);
1130 const static struct wl_compositor_interface compositor_interface = {
1131 compositor_create_surface,
1135 wlsc_surface_transform(struct wlsc_surface *surface,
1136 int32_t x, int32_t y, int32_t *sx, int32_t *sy)
1138 *sx = x - surface->x;
1139 *sy = y - surface->y;
1142 WL_EXPORT struct wlsc_surface *
1143 pick_surface(struct wl_input_device *device, int32_t *sx, int32_t *sy)
1145 struct wlsc_compositor *ec =
1146 (struct wlsc_compositor *) device->compositor;
1147 struct wlsc_surface *es;
1149 wl_list_for_each(es, &ec->surface_list, link) {
1150 if (es->surface.client == NULL)
1152 wlsc_surface_transform(es, device->x, device->y, sx, sy);
1153 if (0 <= *sx && *sx < es->width &&
1154 0 <= *sy && *sy < es->height)
1163 motion_grab_motion(struct wl_grab *grab,
1164 uint32_t time, int32_t x, int32_t y)
1166 struct wlsc_input_device *device =
1167 (struct wlsc_input_device *) grab->input_device;
1168 struct wlsc_surface *es =
1169 (struct wlsc_surface *) device->input_device.pointer_focus;
1172 wlsc_surface_transform(es, x, y, &sx, &sy);
1173 wl_client_post_event(es->surface.client,
1174 &device->input_device.object,
1175 WL_INPUT_DEVICE_MOTION,
1176 time, x, y, sx, sy);
1180 motion_grab_button(struct wl_grab *grab,
1181 uint32_t time, int32_t button, int32_t state)
1183 wl_client_post_event(grab->input_device->pointer_focus->client,
1184 &grab->input_device->object,
1185 WL_INPUT_DEVICE_BUTTON,
1186 time, button, state);
1190 motion_grab_end(struct wl_grab *grab, uint32_t time)
1194 static const struct wl_grab_interface motion_grab_interface = {
1201 wlsc_compositor_wake(struct wlsc_compositor *compositor)
1203 if (compositor->idle_inhibit)
1206 wlsc_compositor_fade(compositor, 0.0);
1207 compositor->state = WLSC_COMPOSITOR_ACTIVE;
1209 wl_event_source_timer_update(compositor->idle_source,
1210 option_idle_time * 1000);
1214 wlsc_compositor_idle_inhibit(struct wlsc_compositor *compositor)
1216 wlsc_compositor_wake(compositor);
1217 compositor->idle_inhibit++;
1221 wlsc_compositor_idle_release(struct wlsc_compositor *compositor)
1223 compositor->idle_inhibit--;
1224 wlsc_compositor_wake(compositor);
1228 idle_handler(void *data)
1230 struct wlsc_compositor *compositor = data;
1232 if (compositor->idle_inhibit)
1235 wlsc_compositor_fade(compositor, 1.0);
1241 notify_motion(struct wl_input_device *device, uint32_t time, int x, int y)
1243 struct wlsc_surface *es;
1244 struct wlsc_compositor *ec =
1245 (struct wlsc_compositor *) device->compositor;
1246 struct wlsc_output *output;
1247 const struct wl_grab_interface *interface;
1248 struct wlsc_input_device *wd = (struct wlsc_input_device *) device;
1250 int x_valid = 0, y_valid = 0;
1251 int min_x = INT_MAX, min_y = INT_MAX, max_x = INT_MIN, max_y = INT_MIN;
1253 wlsc_compositor_wake(ec);
1255 wl_list_for_each(output, &ec->output_list, link) {
1256 if (output->x <= x && x <= output->x + output->current->width)
1259 if (output->y <= y && y <= output->y + output->current->height)
1262 /* FIXME: calculate this only on output addition/deletion */
1263 if (output->x < min_x)
1265 if (output->y < min_y)
1268 if (output->x + output->current->width > max_x)
1269 max_x = output->x + output->current->width;
1270 if (output->y + output->current->height > max_y)
1271 max_y = output->y + output->current->height;
1277 else if (x >= max_x)
1283 else if (y >= max_y)
1291 interface = device->grab->interface;
1292 interface->motion(device->grab, time, x, y);
1294 es = pick_surface(device, &sx, &sy);
1295 wl_input_device_set_pointer_focus(device,
1297 time, x, y, sx, sy);
1299 wl_client_post_event(es->surface.client,
1301 WL_INPUT_DEVICE_MOTION,
1302 time, x, y, sx, sy);
1305 wlsc_surface_damage_below(wd->sprite);
1307 wd->sprite->x = device->x - wd->hotspot_x;
1308 wd->sprite->y = device->y - wd->hotspot_y;
1310 wlsc_surface_damage(wd->sprite);
1314 wlsc_surface_activate(struct wlsc_surface *surface,
1315 struct wlsc_input_device *device, uint32_t time)
1317 struct wlsc_shell *shell = surface->compositor->shell;
1319 wlsc_surface_raise(surface);
1320 if (device->selection)
1321 shell->set_selection_focus(shell,
1323 &surface->surface, time);
1325 wl_input_device_set_keyboard_focus(&device->input_device,
1330 struct wlsc_binding {
1334 wlsc_binding_handler_t handler;
1336 struct wl_list link;
1340 notify_button(struct wl_input_device *device,
1341 uint32_t time, int32_t button, int32_t state)
1343 struct wlsc_input_device *wd = (struct wlsc_input_device *) device;
1344 struct wlsc_compositor *compositor =
1345 (struct wlsc_compositor *) device->compositor;
1346 struct wlsc_binding *b;
1347 struct wlsc_surface *surface =
1348 (struct wlsc_surface *) device->pointer_focus;
1351 wlsc_compositor_idle_inhibit(compositor);
1353 wlsc_compositor_idle_release(compositor);
1355 if (state && surface && device->grab == NULL) {
1356 wlsc_surface_activate(surface, wd, time);
1357 wl_input_device_start_grab(device,
1358 &device->motion_grab,
1362 wl_list_for_each(b, &compositor->binding_list, link) {
1363 if (b->button == button &&
1364 b->modifier == wd->modifier_state && state) {
1365 b->handler(&wd->input_device,
1366 time, 0, button, state, b->data);
1372 device->grab->interface->button(device->grab, time,
1375 if (!state && device->grab && device->grab_button == button)
1376 wl_input_device_end_grab(device, time);
1380 terminate_binding(struct wl_input_device *device, uint32_t time,
1381 uint32_t key, uint32_t button, uint32_t state, void *data)
1383 struct wlsc_compositor *compositor = data;
1386 wl_display_terminate(compositor->wl_display);
1389 WL_EXPORT struct wlsc_binding *
1390 wlsc_compositor_add_binding(struct wlsc_compositor *compositor,
1391 uint32_t key, uint32_t button, uint32_t modifier,
1392 wlsc_binding_handler_t handler, void *data)
1394 struct wlsc_binding *binding;
1396 binding = malloc(sizeof *binding);
1397 if (binding == NULL)
1401 binding->button = button;
1402 binding->modifier = modifier;
1403 binding->handler = handler;
1404 binding->data = data;
1405 wl_list_insert(compositor->binding_list.prev, &binding->link);
1411 wlsc_binding_destroy(struct wlsc_binding *binding)
1413 wl_list_remove(&binding->link);
1418 update_modifier_state(struct wlsc_input_device *device,
1419 uint32_t key, uint32_t state)
1426 modifier = MODIFIER_CTRL;
1431 modifier = MODIFIER_ALT;
1436 modifier = MODIFIER_SUPER;
1445 device->modifier_state |= modifier;
1447 device->modifier_state &= ~modifier;
1451 notify_key(struct wl_input_device *device,
1452 uint32_t time, uint32_t key, uint32_t state)
1454 struct wlsc_input_device *wd = (struct wlsc_input_device *) device;
1455 struct wlsc_compositor *compositor =
1456 (struct wlsc_compositor *) device->compositor;
1458 struct wlsc_binding *b;
1461 wlsc_compositor_idle_inhibit(compositor);
1463 wlsc_compositor_idle_release(compositor);
1465 wl_list_for_each(b, &compositor->binding_list, link) {
1466 if (b->key == key &&
1467 b->modifier == wd->modifier_state) {
1468 b->handler(&wd->input_device,
1469 time, key, 0, state, b->data);
1474 update_modifier_state(wd, key, state);
1475 end = device->keys.data + device->keys.size;
1476 for (k = device->keys.data; k < end; k++) {
1480 device->keys.size = (void *) end - device->keys.data;
1482 k = wl_array_add(&device->keys, sizeof *k);
1486 if (device->keyboard_focus != NULL)
1487 wl_client_post_event(device->keyboard_focus->client,
1489 WL_INPUT_DEVICE_KEY, time, key, state);
1493 notify_pointer_focus(struct wl_input_device *device,
1494 uint32_t time, struct wlsc_output *output,
1495 int32_t x, int32_t y)
1497 struct wlsc_input_device *wd = (struct wlsc_input_device *) device;
1498 struct wlsc_compositor *compositor =
1499 (struct wlsc_compositor *) device->compositor;
1500 struct wlsc_surface *es;
1506 es = pick_surface(device, &sx, &sy);
1507 wl_input_device_set_pointer_focus(device,
1509 time, x, y, sx, sy);
1511 compositor->focus = 1;
1513 wd->sprite->x = device->x - wd->hotspot_x;
1514 wd->sprite->y = device->y - wd->hotspot_y;
1516 wl_input_device_set_pointer_focus(device, NULL,
1518 compositor->focus = 0;
1521 wlsc_surface_damage(wd->sprite);
1525 notify_keyboard_focus(struct wl_input_device *device,
1526 uint32_t time, struct wlsc_output *output,
1527 struct wl_array *keys)
1529 struct wlsc_input_device *wd =
1530 (struct wlsc_input_device *) device;
1531 struct wlsc_compositor *compositor =
1532 (struct wlsc_compositor *) device->compositor;
1533 struct wlsc_surface *es;
1536 if (!wl_list_empty(&compositor->surface_list))
1537 es = container_of(compositor->surface_list.next,
1538 struct wlsc_surface, link);
1543 wl_array_copy(&wd->input_device.keys, keys);
1544 wd->modifier_state = 0;
1545 end = device->keys.data + device->keys.size;
1546 for (k = device->keys.data; k < end; k++) {
1547 wlsc_compositor_idle_inhibit(compositor);
1548 update_modifier_state(wd, *k, 1);
1551 if (es->surface.client)
1552 wl_input_device_set_keyboard_focus(&wd->input_device,
1553 &es->surface, time);
1555 end = device->keys.data + device->keys.size;
1556 for (k = device->keys.data; k < end; k++)
1557 wlsc_compositor_idle_release(compositor);
1559 wd->modifier_state = 0;
1560 wl_input_device_set_keyboard_focus(&wd->input_device,
1567 input_device_attach(struct wl_client *client,
1568 struct wl_input_device *device_base,
1570 struct wl_buffer *buffer, int32_t x, int32_t y)
1572 struct wlsc_input_device *device =
1573 (struct wlsc_input_device *) device_base;
1575 if (time < device->input_device.pointer_focus_time)
1577 if (device->input_device.pointer_focus == NULL)
1579 if (device->input_device.pointer_focus->client != client)
1582 if (buffer == NULL) {
1583 wlsc_input_device_set_pointer_image(device,
1584 WLSC_POINTER_LEFT_PTR);
1588 wlsc_input_device_attach_buffer(device, buffer, x, y);
1591 const static struct wl_input_device_interface input_device_interface = {
1592 input_device_attach,
1596 wlsc_input_device_init(struct wlsc_input_device *device,
1597 struct wlsc_compositor *ec)
1599 wl_input_device_init(&device->input_device, &ec->compositor);
1601 device->input_device.object.interface = &wl_input_device_interface;
1602 device->input_device.object.implementation =
1603 (void (**)(void)) &input_device_interface;
1604 wl_display_add_object(ec->wl_display, &device->input_device.object);
1605 wl_display_add_global(ec->wl_display, &device->input_device.object, NULL);
1607 device->sprite = wlsc_surface_create(ec,
1608 device->input_device.x,
1609 device->input_device.y, 32, 32);
1610 wl_list_insert(&ec->surface_list, &device->sprite->link);
1612 device->hotspot_x = 16;
1613 device->hotspot_y = 16;
1614 device->modifier_state = 0;
1616 device->input_device.motion_grab.interface = &motion_grab_interface;
1618 wl_list_insert(ec->input_device_list.prev, &device->link);
1620 wlsc_input_device_set_pointer_image(device, WLSC_POINTER_LEFT_PTR);
1624 wlsc_output_post_geometry(struct wl_client *client,
1625 struct wl_object *global, uint32_t version)
1627 struct wlsc_output *output =
1628 container_of(global, struct wlsc_output, object);
1629 struct wlsc_mode *mode;
1631 wl_client_post_event(client, global,
1638 output->make, output->model);
1640 wl_list_for_each (mode, &output->mode_list, link) {
1641 wl_client_post_event(client, global,
1644 mode->width, mode->height, mode->refresh);
1648 static const char vertex_shader[] =
1649 "uniform mat4 proj;\n"
1650 "attribute vec2 position;\n"
1651 "attribute vec2 texcoord;\n"
1652 "varying vec2 v_texcoord;\n"
1655 " gl_Position = proj * vec4(position, 0.0, 1.0);\n"
1656 " v_texcoord = texcoord;\n"
1659 static const char texture_fragment_shader[] =
1660 "precision mediump float;\n"
1661 "varying vec2 v_texcoord;\n"
1662 "uniform sampler2D tex;\n"
1665 " gl_FragColor = texture2D(tex, v_texcoord)\n;"
1668 static const char solid_fragment_shader[] =
1669 "precision mediump float;\n"
1670 "uniform vec4 color;\n"
1673 " gl_FragColor = color\n;"
1677 compile_shader(GLenum type, const char *source)
1683 s = glCreateShader(type);
1684 glShaderSource(s, 1, &source, NULL);
1686 glGetShaderiv(s, GL_COMPILE_STATUS, &status);
1688 glGetShaderInfoLog(s, sizeof msg, NULL, msg);
1689 fprintf(stderr, "shader info: %s\n", msg);
1697 wlsc_shader_init(struct wlsc_shader *shader,
1698 const char *vertex_source, const char *fragment_source)
1703 shader->vertex_shader =
1704 compile_shader(GL_VERTEX_SHADER, vertex_source);
1705 shader->fragment_shader =
1706 compile_shader(GL_FRAGMENT_SHADER, fragment_source);
1708 shader->program = glCreateProgram();
1709 glAttachShader(shader->program, shader->vertex_shader);
1710 glAttachShader(shader->program, shader->fragment_shader);
1711 glBindAttribLocation(shader->program, 0, "position");
1712 glBindAttribLocation(shader->program, 1, "texcoord");
1714 glLinkProgram(shader->program);
1715 glGetProgramiv(shader->program, GL_LINK_STATUS, &status);
1717 glGetProgramInfoLog(shader->program, sizeof msg, NULL, msg);
1718 fprintf(stderr, "link info: %s\n", msg);
1722 shader->proj_uniform = glGetUniformLocation(shader->program, "proj");
1723 shader->tex_uniform = glGetUniformLocation(shader->program, "tex");
1729 init_solid_shader(struct wlsc_shader *shader,
1730 GLuint vertex_shader, const char *fragment_source)
1735 shader->vertex_shader = vertex_shader;
1736 shader->fragment_shader =
1737 compile_shader(GL_FRAGMENT_SHADER, fragment_source);
1739 shader->program = glCreateProgram();
1740 glAttachShader(shader->program, shader->vertex_shader);
1741 glAttachShader(shader->program, shader->fragment_shader);
1742 glBindAttribLocation(shader->program, 0, "position");
1743 glBindAttribLocation(shader->program, 1, "texcoord");
1745 glLinkProgram(shader->program);
1746 glGetProgramiv(shader->program, GL_LINK_STATUS, &status);
1748 glGetProgramInfoLog(shader->program, sizeof msg, NULL, msg);
1749 fprintf(stderr, "link info: %s\n", msg);
1753 shader->proj_uniform = glGetUniformLocation(shader->program, "proj");
1754 shader->color_uniform = glGetUniformLocation(shader->program, "color");
1760 wlsc_output_destroy(struct wlsc_output *output)
1762 pixman_region32_fini(&output->region);
1763 pixman_region32_fini(&output->previous_damage);
1764 destroy_surface(&output->background->surface.resource, NULL);
1768 wlsc_output_move(struct wlsc_output *output, int x, int y)
1770 struct wlsc_compositor *c = output->compositor;
1776 if (output->background) {
1777 output->background->x = x;
1778 output->background->y = y;
1781 pixman_region32_init(&output->previous_damage);
1782 pixman_region32_init_rect(&output->region, x, y,
1783 output->current->width,
1784 output->current->height);
1786 wlsc_matrix_init(&output->matrix);
1787 wlsc_matrix_translate(&output->matrix,
1788 -output->x - output->current->width / 2.0,
1789 -output->y - output->current->height / 2.0, 0);
1791 flip = (output->flags & WL_OUTPUT_FLIPPED) ? -1 : 1;
1792 wlsc_matrix_scale(&output->matrix,
1793 2.0 / output->current->width,
1794 flip * 2.0 / output->current->height, 1);
1796 pixman_region32_union(&c->damage, &c->damage, &output->region);
1800 wlsc_output_init(struct wlsc_output *output, struct wlsc_compositor *c,
1801 int x, int y, int width, int height, uint32_t flags)
1803 output->compositor = c;
1806 output->mm_width = width;
1807 output->mm_height = height;
1809 output->background =
1810 background_create(output, option_background);
1812 if (output->background != NULL)
1813 wl_list_insert(c->surface_list.prev,
1814 &output->background->link);
1816 output->flags = flags;
1817 wlsc_output_move(output, x, y);
1819 output->scanout_buffer_destroy_listener.func =
1820 output_handle_scanout_buffer_destroy;
1821 wl_list_init(&output->scanout_buffer_destroy_listener.link);
1823 output->object.interface = &wl_output_interface;
1824 wl_display_add_object(c->wl_display, &output->object);
1825 wl_display_add_global(c->wl_display, &output->object,
1826 wlsc_output_post_geometry);
1830 shm_buffer_created(struct wl_buffer *buffer)
1832 struct wl_list *surfaces_attached_to;
1834 surfaces_attached_to = malloc(sizeof *surfaces_attached_to);
1835 if (!surfaces_attached_to) {
1836 buffer->user_data = NULL;
1840 wl_list_init(surfaces_attached_to);
1842 buffer->user_data = surfaces_attached_to;
1846 shm_buffer_damaged(struct wl_buffer *buffer,
1847 int32_t x, int32_t y, int32_t width, int32_t height)
1849 struct wl_list *surfaces_attached_to = buffer->user_data;
1850 struct wlsc_surface *es;
1851 GLsizei tex_width = wl_shm_buffer_get_stride(buffer) / 4;
1853 wl_list_for_each(es, surfaces_attached_to, buffer_link) {
1854 glBindTexture(GL_TEXTURE_2D, es->texture);
1855 glTexImage2D(GL_TEXTURE_2D, 0, GL_BGRA_EXT,
1856 tex_width, buffer->height, 0,
1857 GL_BGRA_EXT, GL_UNSIGNED_BYTE,
1858 wl_shm_buffer_get_data(buffer));
1859 /* Hmm, should use glTexSubImage2D() here but GLES2 doesn't
1860 * support any unpack attributes except GL_UNPACK_ALIGNMENT. */
1865 shm_buffer_destroyed(struct wl_buffer *buffer)
1867 struct wl_list *surfaces_attached_to = buffer->user_data;
1868 struct wlsc_surface *es, *next;
1870 wl_list_for_each_safe(es, next, surfaces_attached_to, buffer_link) {
1871 wl_list_remove(&es->buffer_link);
1872 wl_list_init(&es->buffer_link);
1875 free(surfaces_attached_to);
1878 const static struct wl_shm_callbacks shm_callbacks = {
1881 shm_buffer_destroyed
1885 wlsc_compositor_init(struct wlsc_compositor *ec, struct wl_display *display)
1887 struct wl_event_loop *loop;
1888 const char *extensions;
1890 ec->wl_display = display;
1892 wl_compositor_init(&ec->compositor, &compositor_interface, display);
1894 ec->shm = wl_shm_init(display, &shm_callbacks);
1896 ec->image_target_texture_2d =
1897 (void *) eglGetProcAddress("glEGLImageTargetTexture2DOES");
1898 ec->image_target_renderbuffer_storage = (void *)
1899 eglGetProcAddress("glEGLImageTargetRenderbufferStorageOES");
1900 ec->create_image = (void *) eglGetProcAddress("eglCreateImageKHR");
1901 ec->destroy_image = (void *) eglGetProcAddress("eglDestroyImageKHR");
1903 (void *) eglGetProcAddress("eglBindWaylandDisplayWL");
1904 ec->unbind_display =
1905 (void *) eglGetProcAddress("eglUnbindWaylandDisplayWL");
1907 extensions = (const char *) glGetString(GL_EXTENSIONS);
1908 if (!strstr(extensions, "GL_EXT_texture_format_BGRA8888")) {
1910 "GL_EXT_texture_format_BGRA8888 not available\n");
1915 (const char *) eglQueryString(ec->display, EGL_EXTENSIONS);
1916 if (strstr(extensions, "EGL_WL_bind_wayland_display"))
1917 ec->has_bind_display = 1;
1918 if (ec->has_bind_display)
1919 ec->bind_display(ec->display, ec->wl_display);
1921 wl_list_init(&ec->surface_list);
1922 wl_list_init(&ec->input_device_list);
1923 wl_list_init(&ec->output_list);
1924 wl_list_init(&ec->binding_list);
1925 wl_list_init(&ec->animation_list);
1926 wlsc_spring_init(&ec->fade.spring, 0.8, 0.0, 0.0);
1927 ec->fade.animation.frame = fade_frame;
1928 wl_list_init(&ec->fade.animation.link);
1930 wlsc_compositor_add_binding(ec, KEY_BACKSPACE, 0,
1931 MODIFIER_CTRL | MODIFIER_ALT,
1932 terminate_binding, ec);
1934 create_pointer_images(ec);
1936 screenshooter_create(ec);
1938 glActiveTexture(GL_TEXTURE0);
1940 if (wlsc_shader_init(&ec->texture_shader,
1941 vertex_shader, texture_fragment_shader) < 0)
1943 if (init_solid_shader(&ec->solid_shader,
1944 ec->texture_shader.vertex_shader,
1945 solid_fragment_shader) < 0)
1948 loop = wl_display_get_event_loop(ec->wl_display);
1949 ec->idle_source = wl_event_loop_add_timer(loop, idle_handler, ec);
1950 wl_event_source_timer_update(ec->idle_source, option_idle_time * 1000);
1952 pixman_region32_init(&ec->damage);
1953 wlsc_compositor_schedule_repaint(ec);
1958 static int on_term_signal(int signal_number, void *data)
1960 struct wl_display *display = data;
1962 fprintf(stderr, "caught signal %d\n", signal_number);
1963 wl_display_terminate(display);
1969 load_module(const char *name, const char *entrypoint, void **handle)
1971 char path[PATH_MAX];
1972 void *module, *init;
1975 snprintf(path, sizeof path, MODULEDIR "/%s", name);
1977 snprintf(path, sizeof path, "%s", name);
1979 module = dlopen(path, RTLD_LAZY);
1982 "failed to load module: %s\n", dlerror());
1986 init = dlsym(module, entrypoint);
1989 "failed to lookup init function: %s\n", dlerror());
1996 int main(int argc, char *argv[])
1998 struct wl_display *display;
1999 struct wlsc_compositor *ec;
2000 struct wl_event_loop *loop;
2002 void *shell_module, *backend_module;
2003 int (*shell_init)(struct wlsc_compositor *ec);
2004 struct wlsc_compositor
2005 *(*backend_init)(struct wl_display *display, char *options);
2006 char *backend = NULL;
2007 char *backend_options = "";
2011 static const char opts[] = "B:b:o:S:i:s:x";
2012 static const struct option longopts[ ] = {
2013 { "backend", 1, NULL, 'B' },
2014 { "backend-options", 1, NULL, 'o' },
2015 { "background", 1, NULL, 'b' },
2016 { "socket", 1, NULL, 'S' },
2017 { "idle-time", 1, NULL, 'i' },
2018 { "shell", 1, NULL, 's' },
2019 { "xserver", 0, NULL, 'x' },
2023 while (o = getopt_long(argc, argv, opts, longopts, &o), o > 0) {
2026 option_background = optarg;
2032 backend_options = optarg;
2035 option_socket_name = optarg;
2038 option_idle_time = strtol(optarg, &p, 0);
2041 "invalid idle time option: %s\n",
2055 display = wl_display_create();
2057 loop = wl_display_get_event_loop(display);
2058 wl_event_loop_add_signal(loop, SIGTERM, on_term_signal, display);
2059 wl_event_loop_add_signal(loop, SIGINT, on_term_signal, display);
2060 wl_event_loop_add_signal(loop, SIGQUIT, on_term_signal, display);
2062 wl_list_init(&child_process_list);
2063 wl_event_loop_add_signal(loop, SIGCHLD, sigchld_handler, NULL);
2066 if (getenv("WAYLAND_DISPLAY"))
2067 backend = "wayland-backend.so";
2068 else if (getenv("DISPLAY"))
2069 backend = "x11-backend.so";
2070 else if (getenv("OPENWFD"))
2071 backend = "openwfd-backend.so";
2073 backend = "drm-backend.so";
2077 shell = "desktop-shell.so";
2079 backend_init = load_module(backend, "backend_init", &backend_module);
2083 shell_init = load_module(shell, "shell_init", &shell_module);
2087 ec = backend_init(display, backend_options);
2089 fprintf(stderr, "failed to create compositor\n");
2093 if (shell_init(ec) < 0)
2097 wlsc_xserver_init(ec);
2099 if (wl_display_add_socket(display, option_socket_name)) {
2100 fprintf(stderr, "failed to add socket: %m\n");
2104 wl_display_run(display);
2107 wlsc_xserver_destroy(ec);
2109 if (ec->has_bind_display)
2110 ec->unbind_display(ec->display, display);
2111 wl_display_destroy(display);