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.
29 #include <sys/ioctl.h>
33 #include <linux/input.h>
38 #include "wayland-server.h"
39 #include "compositor.h"
41 /* The plan here is to generate a random anonymous socket name and
42 * advertise that through a service on the session dbus.
44 static const char *option_socket_name = NULL;
45 static const char *option_background = "background.jpg";
46 static const char *option_shell = NULL;
47 static int option_idle_time = 300;
48 static int option_connector = 0;
51 wlsc_matrix_init(struct wlsc_matrix *matrix)
53 static const struct wlsc_matrix identity = {
54 { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1 }
57 memcpy(matrix, &identity, sizeof identity);
61 wlsc_matrix_multiply(struct wlsc_matrix *m, const struct wlsc_matrix *n)
63 struct wlsc_matrix tmp;
64 const GLfloat *row, *column;
68 for (i = 0; i < 16; i++) {
71 row = m->d + d.quot * 4;
72 column = n->d + d.rem;
73 for (j = 0; j < 4; j++)
74 tmp.d[i] += row[j] * column[j * 4];
76 memcpy(m, &tmp, sizeof tmp);
80 wlsc_matrix_translate(struct wlsc_matrix *matrix, GLfloat x, GLfloat y, GLfloat z)
82 struct wlsc_matrix translate = {
83 { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, x, y, z, 1 }
86 wlsc_matrix_multiply(matrix, &translate);
90 wlsc_matrix_scale(struct wlsc_matrix *matrix, GLfloat x, GLfloat y, GLfloat z)
92 struct wlsc_matrix scale = {
93 { x, 0, 0, 0, 0, y, 0, 0, 0, 0, z, 0, 0, 0, 0, 1 }
96 wlsc_matrix_multiply(matrix, &scale);
100 wlsc_matrix_transform(struct wlsc_matrix *matrix, struct wlsc_vector *v)
103 struct wlsc_vector t;
105 for (i = 0; i < 4; i++) {
107 for (j = 0; j < 4; j++)
108 t.f[i] += v->f[j] * matrix->d[i + j * 4];
115 wlsc_spring_init(struct wlsc_spring *spring,
116 double k, double current, double target)
119 spring->friction = 100.0;
120 spring->current = current;
121 spring->previous = current;
122 spring->target = target;
126 wlsc_spring_update(struct wlsc_spring *spring, uint32_t msec)
128 double force, v, current, step;
130 step = (msec - spring->timestamp) / 500.0;
131 spring->timestamp = msec;
133 current = spring->current;
134 v = current - spring->previous;
135 force = spring->k * (spring->target - current) / 10.0 +
136 (spring->previous - current) - v * spring->friction;
139 current + (current - spring->previous) + force * step * step;
140 spring->previous = current;
142 if (spring->current >= 1.0) {
143 #ifdef TWEENER_BOUNCE
144 spring->current = 2.0 - spring->current;
145 spring->previous = 2.0 - spring->previous;
147 spring->current = 1.0;
148 spring->previous = 1.0;
152 if (spring->current <= 0.0) {
153 spring->current = 0.0;
154 spring->previous = 0.0;
159 wlsc_spring_done(struct wlsc_spring *spring)
161 return fabs(spring->previous - spring->target) < 0.0002 &&
162 fabs(spring->current - spring->target) < 0.0002;
165 WL_EXPORT struct wlsc_surface *
166 wlsc_surface_create(struct wlsc_compositor *compositor,
167 int32_t x, int32_t y, int32_t width, int32_t height)
169 struct wlsc_surface *surface;
171 surface = malloc(sizeof *surface);
175 wl_list_init(&surface->surface.destroy_listener_list);
176 wl_list_init(&surface->link);
177 wl_list_init(&surface->buffer_link);
178 surface->map_type = WLSC_SURFACE_MAP_UNMAPPED;
180 glGenTextures(1, &surface->texture);
181 glBindTexture(GL_TEXTURE_2D, surface->texture);
182 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
183 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
184 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
185 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
187 surface->compositor = compositor;
188 surface->visual = NULL;
189 surface->image = EGL_NO_IMAGE_KHR;
190 surface->saved_texture = 0;
193 surface->width = width;
194 surface->height = height;
196 surface->transform = NULL;
202 wlsc_surface_damage_rectangle(struct wlsc_surface *surface,
203 int32_t x, int32_t y,
204 int32_t width, int32_t height)
206 struct wlsc_compositor *compositor = surface->compositor;
208 pixman_region32_union_rect(&compositor->damage_region,
209 &compositor->damage_region,
210 surface->x + x, surface->y + y,
212 wlsc_compositor_schedule_repaint(compositor);
216 wlsc_surface_damage(struct wlsc_surface *surface)
218 wlsc_surface_damage_rectangle(surface, 0, 0,
219 surface->width, surface->height);
223 wlsc_compositor_get_time(void)
227 gettimeofday(&tv, NULL);
229 return tv.tv_sec * 1000 + tv.tv_usec / 1000;
233 destroy_surface(struct wl_resource *resource, struct wl_client *client)
235 struct wlsc_surface *surface =
236 container_of(resource, struct wlsc_surface, surface.resource);
237 struct wl_listener *l, *next;
238 struct wlsc_compositor *compositor = surface->compositor;
241 wlsc_surface_damage(surface);
243 wl_list_remove(&surface->link);
244 if (surface->saved_texture == 0)
245 glDeleteTextures(1, &surface->texture);
247 glDeleteTextures(1, &surface->saved_texture);
250 if (surface->image != EGL_NO_IMAGE_KHR)
251 compositor->destroy_image(compositor->display,
254 wl_list_remove(&surface->buffer_link);
256 time = wlsc_compositor_get_time();
257 wl_list_for_each_safe(l, next,
258 &surface->surface.destroy_listener_list, link)
259 l->func(l, &surface->surface, time);
265 wlsc_buffer_attach(struct wl_buffer *buffer, struct wl_surface *surface)
267 struct wlsc_surface *es = (struct wlsc_surface *) surface;
268 struct wlsc_compositor *ec = es->compositor;
269 struct wl_list *surfaces_attached_to;
271 if (es->saved_texture != 0)
272 es->texture = es->saved_texture;
274 glBindTexture(GL_TEXTURE_2D, es->texture);
276 if (wl_buffer_is_shm(buffer)) {
277 /* Unbind any EGLImage texture that may be bound, so we don't
279 glTexImage2D(GL_TEXTURE_2D, 0, GL_BGRA_EXT,
280 0, 0, 0, GL_BGRA_EXT, GL_UNSIGNED_BYTE, NULL);
281 es->pitch = wl_shm_buffer_get_stride(buffer) / 4;
282 glTexImage2D(GL_TEXTURE_2D, 0, GL_BGRA_EXT,
283 es->pitch, buffer->height, 0,
284 GL_BGRA_EXT, GL_UNSIGNED_BYTE,
285 wl_shm_buffer_get_data(buffer));
286 es->visual = buffer->visual;
288 surfaces_attached_to = buffer->user_data;
290 wl_list_remove(&es->buffer_link);
291 wl_list_insert(surfaces_attached_to, &es->buffer_link);
293 es->image = ec->create_image(ec->display, NULL,
294 EGL_WAYLAND_BUFFER_WL,
297 ec->image_target_texture_2d(GL_TEXTURE_2D, es->image);
298 es->visual = buffer->visual;
299 es->pitch = es->width;
304 wlsc_sprite_attach(struct wlsc_sprite *sprite, struct wl_surface *surface)
306 struct wlsc_surface *es = (struct wlsc_surface *) surface;
307 struct wlsc_compositor *ec = es->compositor;
309 es->pitch = es->width;
310 es->image = sprite->image;
311 if (sprite->image != EGL_NO_IMAGE_KHR) {
312 glBindTexture(GL_TEXTURE_2D, es->texture);
313 ec->image_target_texture_2d(GL_TEXTURE_2D, es->image);
315 if (es->saved_texture == 0)
316 es->saved_texture = es->texture;
317 es->texture = sprite->texture;
320 es->visual = sprite->visual;
324 SPRITE_USE_CURSOR = (1 << 0),
327 static struct wlsc_sprite *
328 create_sprite_from_png(struct wlsc_compositor *ec,
329 const char *filename, uint32_t usage)
332 struct wlsc_sprite *sprite;
333 int32_t width, height;
336 pixels = wlsc_load_image(filename, &width, &height, &stride);
340 sprite = malloc(sizeof *sprite);
341 if (sprite == NULL) {
346 sprite->visual = &ec->compositor.premultiplied_argb_visual;
347 sprite->width = width;
348 sprite->height = height;
349 sprite->image = EGL_NO_IMAGE_KHR;
351 if (usage & SPRITE_USE_CURSOR && ec->create_cursor_image != NULL)
352 sprite->image = ec->create_cursor_image(ec, width, height);
354 glGenTextures(1, &sprite->texture);
355 glBindTexture(GL_TEXTURE_2D, sprite->texture);
356 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
357 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
358 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
359 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
361 if (sprite->image != EGL_NO_IMAGE_KHR) {
362 ec->image_target_texture_2d(GL_TEXTURE_2D, sprite->image);
363 glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, width, height,
364 GL_BGRA_EXT, GL_UNSIGNED_BYTE, pixels);
366 glTexImage2D(GL_TEXTURE_2D, 0, GL_BGRA_EXT, width, height, 0,
367 GL_BGRA_EXT, GL_UNSIGNED_BYTE, pixels);
375 static const struct {
376 const char *filename;
377 int hotspot_x, hotspot_y;
378 } pointer_images[] = {
379 { DATADIR "/wayland/bottom_left_corner.png", 6, 30 },
380 { DATADIR "/wayland/bottom_right_corner.png", 28, 28 },
381 { DATADIR "/wayland/bottom_side.png", 16, 20 },
382 { DATADIR "/wayland/grabbing.png", 20, 17 },
383 { DATADIR "/wayland/left_ptr.png", 10, 5 },
384 { DATADIR "/wayland/left_side.png", 10, 20 },
385 { DATADIR "/wayland/right_side.png", 30, 19 },
386 { DATADIR "/wayland/top_left_corner.png", 8, 8 },
387 { DATADIR "/wayland/top_right_corner.png", 26, 8 },
388 { DATADIR "/wayland/top_side.png", 18, 8 },
389 { DATADIR "/wayland/xterm.png", 15, 15 }
393 create_pointer_images(struct wlsc_compositor *ec)
397 count = ARRAY_LENGTH(pointer_images);
398 ec->pointer_sprites = malloc(count * sizeof *ec->pointer_sprites);
399 for (i = 0; i < count; i++) {
400 ec->pointer_sprites[i] =
401 create_sprite_from_png(ec,
402 pointer_images[i].filename,
407 static struct wlsc_surface *
408 background_create(struct wlsc_output *output, const char *filename)
410 struct wlsc_surface *background;
411 struct wlsc_sprite *sprite;
413 background = wlsc_surface_create(output->compositor,
414 output->x, output->y,
415 output->width, output->height);
416 if (background == NULL)
419 sprite = create_sprite_from_png(output->compositor, filename, 0);
420 if (sprite == NULL) {
425 wlsc_sprite_attach(sprite, &background->surface);
431 texture_region(struct wlsc_surface *es, pixman_region32_t *region)
433 struct wlsc_compositor *ec = es->compositor;
434 GLfloat *v, inv_width, inv_height;
435 pixman_box32_t *rectangles;
439 rectangles = pixman_region32_rectangles(region, &n);
440 v = wl_array_add(&ec->vertices, n * 16 * sizeof *v);
441 p = wl_array_add(&ec->indices, n * 6 * sizeof *p);
442 inv_width = 1.0 / es->pitch;
443 inv_height = 1.0 / es->height;
445 for (i = 0; i < n; i++, v += 16, p += 6) {
446 v[ 0] = rectangles[i].x1;
447 v[ 1] = rectangles[i].y1;
448 v[ 2] = (GLfloat) (rectangles[i].x1 - es->x) * inv_width;
449 v[ 3] = (GLfloat) (rectangles[i].y1 - es->y) * inv_height;
451 v[ 4] = rectangles[i].x1;
452 v[ 5] = rectangles[i].y2;
454 v[ 7] = (GLfloat) (rectangles[i].y2 - es->y) * inv_height;
456 v[ 8] = rectangles[i].x2;
457 v[ 9] = rectangles[i].y1;
458 v[10] = (GLfloat) (rectangles[i].x2 - es->x) * inv_width;
461 v[12] = rectangles[i].x2;
462 v[13] = rectangles[i].y2;
478 transform_vertex(struct wlsc_surface *surface,
479 GLfloat x, GLfloat y, GLfloat u, GLfloat v, GLfloat *r)
481 struct wlsc_vector t;
488 wlsc_matrix_transform(&surface->transform->matrix, &t);
497 texture_transformed_surface(struct wlsc_surface *es)
499 struct wlsc_compositor *ec = es->compositor;
503 v = wl_array_add(&ec->vertices, 16 * sizeof *v);
504 p = wl_array_add(&ec->indices, 6 * sizeof *p);
506 transform_vertex(es, es->x, es->y, 0.0, 0.0, &v[0]);
507 transform_vertex(es, es->x, es->y + es->height, 0.0, 1.0, &v[4]);
508 transform_vertex(es, es->x + es->width, es->y, 1.0, 0.0, &v[8]);
509 transform_vertex(es, es->x + es->width, es->y + es->height,
523 wlsc_surface_draw(struct wlsc_surface *es,
524 struct wlsc_output *output, pixman_region32_t *clip)
526 struct wlsc_compositor *ec = es->compositor;
528 pixman_region32_t repaint;
531 pixman_region32_init_rect(&repaint,
532 es->x, es->y, es->width, es->height);
533 pixman_region32_intersect(&repaint, &repaint, clip);
534 if (!pixman_region32_not_empty(&repaint))
537 if (es->visual == &ec->compositor.argb_visual) {
538 glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
540 } else if (es->visual == &ec->compositor.premultiplied_argb_visual) {
541 glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
547 if (es->transform == NULL)
548 n = texture_region(es, &repaint);
550 n = texture_transformed_surface(es);
552 glBindTexture(GL_TEXTURE_2D, es->texture);
553 v = ec->vertices.data;
554 glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 4 * sizeof *v, &v[0]);
555 glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, 4 * sizeof *v, &v[2]);
556 glEnableVertexAttribArray(0);
557 glEnableVertexAttribArray(1);
558 glDrawElements(GL_TRIANGLES, n * 6, GL_UNSIGNED_INT, ec->indices.data);
560 ec->vertices.size = 0;
561 ec->indices.size = 0;
562 pixman_region32_fini(&repaint);
566 wlsc_surface_raise(struct wlsc_surface *surface)
568 struct wlsc_compositor *compositor = surface->compositor;
570 wl_list_remove(&surface->link);
571 wl_list_insert(&compositor->surface_list, &surface->link);
575 wlsc_compositor_damage_all(struct wlsc_compositor *compositor)
577 struct wlsc_output *output;
579 wl_list_for_each(output, &compositor->output_list, link)
580 wlsc_output_damage(output);
584 wlsc_output_finish_frame(struct wlsc_output *output, int msecs)
586 struct wlsc_compositor *compositor = output->compositor;
587 struct wlsc_surface *es;
588 struct wlsc_animation *animation, *next;
590 wl_list_for_each(es, &compositor->surface_list, link) {
591 if (es->output == output) {
592 wl_display_post_frame(compositor->wl_display,
593 &es->surface, msecs);
597 output->finished = 1;
599 wl_event_source_timer_update(compositor->timer_source, 5);
600 compositor->repaint_on_timeout = 1;
602 wl_list_for_each_safe(animation, next,
603 &compositor->animation_list, link)
604 animation->frame(animation, output, msecs);
608 wlsc_output_damage(struct wlsc_output *output)
610 struct wlsc_compositor *compositor = output->compositor;
612 pixman_region32_union_rect(&compositor->damage_region,
613 &compositor->damage_region,
614 output->x, output->y,
615 output->width, output->height);
616 wlsc_compositor_schedule_repaint(compositor);
620 fade_frame(struct wlsc_animation *animation,
621 struct wlsc_output *output, uint32_t msecs)
623 struct wlsc_compositor *compositor =
624 container_of(animation,
625 struct wlsc_compositor, fade.animation);
627 wlsc_spring_update(&compositor->fade.spring, msecs);
628 if (wlsc_spring_done(&compositor->fade.spring)) {
629 if (compositor->fade.spring.current > 0.999) {
630 compositor->state = WLSC_COMPOSITOR_SLEEPING;
631 compositor->shell->lock(compositor->shell);
633 compositor->fade.spring.current =
634 compositor->fade.spring.target;
635 wl_list_remove(&animation->link);
636 wl_list_init(&animation->link);
639 wlsc_output_damage(output);
643 fade_output(struct wlsc_output *output,
644 GLfloat tint, pixman_region32_t *region)
646 struct wlsc_compositor *compositor = output->compositor;
647 struct wlsc_surface surface;
648 GLfloat color[4] = { 0.0, 0.0, 0.0, tint };
650 surface.compositor = compositor;
651 surface.x = output->x;
652 surface.y = output->y;
653 surface.width = output->width;
654 surface.height = output->height;
655 surface.texture = GL_NONE;
656 surface.transform = NULL;
660 &compositor->compositor.premultiplied_argb_visual;
662 surface.visual = &compositor->compositor.rgb_visual;
664 glUseProgram(compositor->solid_shader.program);
665 glUniformMatrix4fv(compositor->solid_shader.proj_uniform,
666 1, GL_FALSE, output->matrix.d);
667 glUniform4fv(compositor->solid_shader.color_uniform, 1, color);
668 wlsc_surface_draw(&surface, output, region);
672 wlsc_output_repaint(struct wlsc_output *output)
674 struct wlsc_compositor *ec = output->compositor;
675 struct wlsc_surface *es;
676 struct wlsc_input_device *eid;
677 pixman_region32_t new_damage, total_damage;
678 int using_hardware_cursor = 1;
680 output->prepare_render(output);
682 glViewport(0, 0, output->width, output->height);
684 glUseProgram(ec->texture_shader.program);
685 glUniformMatrix4fv(ec->texture_shader.proj_uniform,
686 1, GL_FALSE, output->matrix.d);
687 glUniform1i(ec->texture_shader.tex_uniform, 0);
689 pixman_region32_init(&new_damage);
690 pixman_region32_init(&total_damage);
691 pixman_region32_intersect_rect(&new_damage,
693 output->x, output->y,
694 output->width, output->height);
695 pixman_region32_subtract(&ec->damage_region,
696 &ec->damage_region, &new_damage);
697 pixman_region32_union(&total_damage, &new_damage,
698 &output->previous_damage_region);
699 pixman_region32_copy(&output->previous_damage_region, &new_damage);
702 if (output->set_hardware_cursor(output, ec->input_device) < 0)
703 using_hardware_cursor = 0;
704 if (ec->fade.spring.current > 0.001)
705 using_hardware_cursor = 0;
707 es = container_of(ec->surface_list.next, struct wlsc_surface, link);
708 if (es->fullscreen_output == output) {
709 if (es->visual == &ec->compositor.rgb_visual &&
710 using_hardware_cursor) {
711 if (output->prepare_scanout_surface(output, es) == 0) {
712 /* We're drawing nothing now,
713 * draw the damaged regions later. */
714 pixman_region32_union(&ec->damage_region,
721 if (es->width < output->width ||
722 es->height < output->height)
723 glClear(GL_COLOR_BUFFER_BIT);
724 wlsc_surface_draw(es, output, &total_damage);
726 if (output->background)
727 wlsc_surface_draw(output->background,
728 output, &total_damage);
730 fade_output(output, 1.0, &total_damage);
732 glUseProgram(ec->texture_shader.program);
733 wl_list_for_each_reverse(es, &ec->surface_list, link) {
734 if (ec->overlay == es)
737 wlsc_surface_draw(es, output, &total_damage);
742 wlsc_surface_draw(ec->overlay, output, &total_damage);
745 wl_list_for_each(eid, &ec->input_device_list, link) {
746 if (&eid->input_device != ec->input_device ||
747 !using_hardware_cursor)
748 wlsc_surface_draw(eid->sprite, output,
752 if (ec->fade.spring.current > 0.001)
753 fade_output(output, ec->fade.spring.current, &total_damage);
759 struct wlsc_compositor *ec = data;
760 struct wlsc_output *output;
761 int repainted_all_outputs = 1;
763 wl_list_for_each(output, &ec->output_list, link) {
764 if (!output->repaint_needed)
767 if (!output->finished) {
768 repainted_all_outputs = 0;
772 wlsc_output_repaint(output);
773 output->finished = 0;
774 output->repaint_needed = 0;
775 output->present(output);
778 if (repainted_all_outputs)
779 ec->repaint_on_timeout = 0;
781 wl_event_source_timer_update(ec->timer_source, 1);
787 wlsc_compositor_schedule_repaint(struct wlsc_compositor *compositor)
789 struct wlsc_output *output;
791 if (compositor->state == WLSC_COMPOSITOR_SLEEPING)
794 wl_list_for_each(output, &compositor->output_list, link)
795 output->repaint_needed = 1;
797 if (compositor->repaint_on_timeout)
800 wl_event_source_timer_update(compositor->timer_source, 1);
801 compositor->repaint_on_timeout = 1;
805 wlsc_compositor_fade(struct wlsc_compositor *compositor, float tint)
809 done = wlsc_spring_done(&compositor->fade.spring);
810 compositor->fade.spring.target = tint;
811 if (wlsc_spring_done(&compositor->fade.spring))
815 compositor->fade.spring.timestamp =
816 wlsc_compositor_get_time();
818 wlsc_compositor_damage_all(compositor);
819 if (wl_list_empty(&compositor->fade.animation.link))
820 wl_list_insert(compositor->animation_list.prev,
821 &compositor->fade.animation.link);
825 surface_destroy(struct wl_client *client,
826 struct wl_surface *surface)
828 wl_resource_destroy(&surface->resource, client);
832 wlsc_surface_assign_output(struct wlsc_surface *es)
834 struct wlsc_compositor *ec = es->compositor;
835 struct wlsc_output *output;
837 struct wlsc_output *tmp = es->output;
840 wl_list_for_each(output, &ec->output_list, link) {
841 if (output->x < es->x && es->x < output->x + output->width &&
842 output->y < es->y && es->y < output->y + output->height) {
844 printf("assiging surface %p to output %p\n",
850 if (es->output == NULL) {
851 printf("no output found\n");
852 es->output = container_of(ec->output_list.next,
853 struct wlsc_output, link);
858 surface_attach(struct wl_client *client,
859 struct wl_surface *surface, struct wl_buffer *buffer,
860 int32_t x, int32_t y)
862 struct wlsc_surface *es = (struct wlsc_surface *) surface;
864 /* FIXME: This damages the entire old surface, but we should
865 * really just damage the part that's no longer covered by the
866 * surface. Anything covered by the new surface will be
867 * damaged by the client. */
868 wlsc_surface_damage(es);
870 wlsc_buffer_attach(buffer, surface);
872 switch (es->map_type) {
873 case WLSC_SURFACE_MAP_FULLSCREEN:
874 es->x = (es->fullscreen_output->width - es->width) / 2;
875 es->y = (es->fullscreen_output->height - es->height) / 2;
882 es->width = buffer->width;
883 es->height = buffer->height;
884 if (x != 0 || y != 0)
885 wlsc_surface_assign_output(es);
887 es->compositor->shell->attach(es->compositor->shell, es);
891 surface_map_toplevel(struct wl_client *client,
892 struct wl_surface *surface)
894 struct wlsc_surface *es = (struct wlsc_surface *) surface;
895 struct wlsc_compositor *ec = es->compositor;
897 switch (es->map_type) {
898 case WLSC_SURFACE_MAP_UNMAPPED:
899 es->x = 10 + random() % 400;
900 es->y = 10 + random() % 400;
901 /* assign to first output */
902 es->output = container_of(ec->output_list.next,
903 struct wlsc_output, link);
904 wl_list_insert(&es->compositor->surface_list, &es->link);
906 case WLSC_SURFACE_MAP_TOPLEVEL:
908 case WLSC_SURFACE_MAP_FULLSCREEN:
909 es->fullscreen_output = NULL;
917 wlsc_surface_damage(es);
918 es->map_type = WLSC_SURFACE_MAP_TOPLEVEL;
922 surface_map_transient(struct wl_client *client,
923 struct wl_surface *surface, struct wl_surface *parent,
924 int x, int y, uint32_t flags)
926 struct wlsc_surface *es = (struct wlsc_surface *) surface;
927 struct wlsc_surface *pes = (struct wlsc_surface *) parent;
929 switch (es->map_type) {
930 case WLSC_SURFACE_MAP_UNMAPPED:
931 wl_list_insert(&es->compositor->surface_list, &es->link);
932 /* assign to parents output */
933 es->output = pes->output;
935 case WLSC_SURFACE_MAP_FULLSCREEN:
936 es->fullscreen_output = NULL;
945 wlsc_surface_damage(es);
946 es->map_type = WLSC_SURFACE_MAP_TRANSIENT;
950 surface_map_fullscreen(struct wl_client *client, struct wl_surface *surface)
952 struct wlsc_surface *es = (struct wlsc_surface *) surface;
953 struct wlsc_output *output;
955 /* FIXME: Fullscreen on first output */
956 /* FIXME: Handle output going away */
957 output = container_of(es->compositor->output_list.next,
958 struct wlsc_output, link);
960 switch (es->map_type) {
961 case WLSC_SURFACE_MAP_UNMAPPED:
962 es->x = 10 + random() % 400;
963 es->y = 10 + random() % 400;
964 /* assign to first output */
966 wl_list_insert(&es->compositor->surface_list, &es->link);
968 case WLSC_SURFACE_MAP_FULLSCREEN:
976 es->x = (output->width - es->width) / 2;
977 es->y = (output->height - es->height) / 2;
978 es->fullscreen_output = output;
979 wlsc_surface_damage(es);
980 es->map_type = WLSC_SURFACE_MAP_FULLSCREEN;
984 surface_damage(struct wl_client *client,
985 struct wl_surface *surface,
986 int32_t x, int32_t y, int32_t width, int32_t height)
988 struct wlsc_surface *es = (struct wlsc_surface *) surface;
990 wlsc_surface_damage_rectangle(es, x, y, width, height);
993 const static struct wl_surface_interface surface_interface = {
996 surface_map_toplevel,
997 surface_map_transient,
998 surface_map_fullscreen,
1003 wlsc_input_device_attach(struct wlsc_input_device *device,
1004 int x, int y, int width, int height)
1006 wlsc_surface_damage(device->sprite);
1008 device->hotspot_x = x;
1009 device->hotspot_y = y;
1011 device->sprite->x = device->input_device.x - device->hotspot_x;
1012 device->sprite->y = device->input_device.y - device->hotspot_y;
1013 device->sprite->width = width;
1014 device->sprite->height = height;
1016 wlsc_surface_damage(device->sprite);
1020 wlsc_input_device_attach_buffer(struct wlsc_input_device *device,
1021 struct wl_buffer *buffer, int x, int y)
1023 wlsc_buffer_attach(buffer, &device->sprite->surface);
1024 wlsc_input_device_attach(device, x, y, buffer->width, buffer->height);
1028 wlsc_input_device_attach_sprite(struct wlsc_input_device *device,
1029 struct wlsc_sprite *sprite, int x, int y)
1031 wlsc_sprite_attach(sprite, &device->sprite->surface);
1032 wlsc_input_device_attach(device, x, y, sprite->width, sprite->height);
1036 wlsc_input_device_set_pointer_image(struct wlsc_input_device *device,
1037 enum wlsc_pointer_type type)
1039 struct wlsc_compositor *compositor =
1040 (struct wlsc_compositor *) device->input_device.compositor;
1042 wlsc_input_device_attach_sprite(device,
1043 compositor->pointer_sprites[type],
1044 pointer_images[type].hotspot_x,
1045 pointer_images[type].hotspot_y);
1049 compositor_create_surface(struct wl_client *client,
1050 struct wl_compositor *compositor, uint32_t id)
1052 struct wlsc_compositor *ec = (struct wlsc_compositor *) compositor;
1053 struct wlsc_surface *surface;
1055 surface = wlsc_surface_create(ec, 0, 0, 0, 0);
1056 if (surface == NULL) {
1057 wl_client_post_no_memory(client);
1061 surface->surface.resource.destroy = destroy_surface;
1063 surface->surface.resource.object.id = id;
1064 surface->surface.resource.object.interface = &wl_surface_interface;
1065 surface->surface.resource.object.implementation =
1066 (void (**)(void)) &surface_interface;
1067 surface->surface.client = client;
1069 wl_client_add_resource(client, &surface->surface.resource);
1072 const static struct wl_compositor_interface compositor_interface = {
1073 compositor_create_surface,
1077 wlsc_surface_transform(struct wlsc_surface *surface,
1078 int32_t x, int32_t y, int32_t *sx, int32_t *sy)
1080 *sx = x - surface->x;
1081 *sy = y - surface->y;
1084 struct wlsc_surface *
1085 pick_surface(struct wl_input_device *device, int32_t *sx, int32_t *sy)
1087 struct wlsc_compositor *ec =
1088 (struct wlsc_compositor *) device->compositor;
1089 struct wlsc_surface *es;
1091 wl_list_for_each(es, &ec->surface_list, link) {
1092 wlsc_surface_transform(es, device->x, device->y, sx, sy);
1093 if (0 <= *sx && *sx < es->width &&
1094 0 <= *sy && *sy < es->height)
1103 motion_grab_motion(struct wl_grab *grab,
1104 uint32_t time, int32_t x, int32_t y)
1106 struct wlsc_input_device *device =
1107 (struct wlsc_input_device *) grab->input_device;
1108 struct wlsc_surface *es =
1109 (struct wlsc_surface *) device->input_device.pointer_focus;
1112 wlsc_surface_transform(es, x, y, &sx, &sy);
1113 wl_client_post_event(es->surface.client,
1114 &device->input_device.object,
1115 WL_INPUT_DEVICE_MOTION,
1116 time, x, y, sx, sy);
1120 motion_grab_button(struct wl_grab *grab,
1121 uint32_t time, int32_t button, int32_t state)
1123 wl_client_post_event(grab->input_device->pointer_focus->client,
1124 &grab->input_device->object,
1125 WL_INPUT_DEVICE_BUTTON,
1126 time, button, state);
1130 motion_grab_end(struct wl_grab *grab, uint32_t time)
1134 static const struct wl_grab_interface motion_grab_interface = {
1141 wlsc_compositor_wake(struct wlsc_compositor *compositor)
1143 if (compositor->idle_inhibit)
1146 wlsc_compositor_fade(compositor, 0.0);
1147 compositor->state = WLSC_COMPOSITOR_ACTIVE;
1149 wl_event_source_timer_update(compositor->idle_source,
1150 option_idle_time * 1000);
1154 wlsc_compositor_idle_inhibit(struct wlsc_compositor *compositor)
1156 wlsc_compositor_wake(compositor);
1157 compositor->idle_inhibit++;
1161 wlsc_compositor_idle_release(struct wlsc_compositor *compositor)
1163 compositor->idle_inhibit--;
1164 wlsc_compositor_wake(compositor);
1168 idle_handler(void *data)
1170 struct wlsc_compositor *compositor = data;
1172 if (compositor->idle_inhibit)
1175 wlsc_compositor_fade(compositor, 1.0);
1181 notify_motion(struct wl_input_device *device, uint32_t time, int x, int y)
1183 struct wlsc_surface *es;
1184 struct wlsc_compositor *ec =
1185 (struct wlsc_compositor *) device->compositor;
1186 struct wlsc_output *output;
1187 const struct wl_grab_interface *interface;
1188 struct wlsc_input_device *wd = (struct wlsc_input_device *) device;
1190 int x_valid = 0, y_valid = 0;
1191 int min_x = INT_MAX, min_y = INT_MAX, max_x = INT_MIN, max_y = INT_MIN;
1193 wlsc_compositor_wake(ec);
1195 wl_list_for_each(output, &ec->output_list, link) {
1196 if (output->x <= x && x <= output->x + output->width)
1199 if (output->y <= y && y <= output->y + output->height)
1202 /* FIXME: calculate this only on output addition/deletion */
1203 if (output->x < min_x)
1205 if (output->y < min_y)
1208 if (output->x + output->width > max_x)
1209 max_x = output->x + output->width;
1210 if (output->y + output->height > max_y)
1211 max_y = output->y + output->height;
1217 else if (x >= max_x)
1223 else if (y >= max_y)
1231 interface = device->grab->interface;
1232 interface->motion(device->grab, time, x, y);
1234 es = pick_surface(device, &sx, &sy);
1235 wl_input_device_set_pointer_focus(device,
1237 time, x, y, sx, sy);
1239 wl_client_post_event(es->surface.client,
1241 WL_INPUT_DEVICE_MOTION,
1242 time, x, y, sx, sy);
1245 wlsc_surface_damage(wd->sprite);
1247 wd->sprite->x = device->x - wd->hotspot_x;
1248 wd->sprite->y = device->y - wd->hotspot_y;
1250 wlsc_surface_damage(wd->sprite);
1254 wlsc_surface_activate(struct wlsc_surface *surface,
1255 struct wlsc_input_device *device, uint32_t time)
1257 wlsc_surface_raise(surface);
1258 if (device->selection)
1259 wlsc_selection_set_focus(device->selection,
1260 &surface->surface, time);
1262 wl_input_device_set_keyboard_focus(&device->input_device,
1267 struct wlsc_binding {
1271 wlsc_binding_handler_t handler;
1273 struct wl_list link;
1277 notify_button(struct wl_input_device *device,
1278 uint32_t time, int32_t button, int32_t state)
1280 struct wlsc_input_device *wd = (struct wlsc_input_device *) device;
1281 struct wlsc_compositor *compositor =
1282 (struct wlsc_compositor *) device->compositor;
1283 struct wlsc_binding *b;
1284 struct wlsc_surface *surface =
1285 (struct wlsc_surface *) device->pointer_focus;
1288 wlsc_compositor_idle_inhibit(compositor);
1290 wlsc_compositor_idle_release(compositor);
1292 if (state && surface && device->grab == NULL) {
1293 wlsc_surface_activate(surface, wd, time);
1294 wl_input_device_start_grab(device,
1295 &device->motion_grab,
1299 wl_list_for_each(b, &compositor->binding_list, link) {
1300 if (b->button == button &&
1301 b->modifier == wd->modifier_state && state) {
1302 b->handler(&wd->input_device,
1303 time, 0, button, state, b->data);
1309 device->grab->interface->button(device->grab, time,
1312 if (!state && device->grab && device->grab_button == button)
1313 wl_input_device_end_grab(device, time);
1317 terminate_binding(struct wl_input_device *device, uint32_t time,
1318 uint32_t key, uint32_t button, uint32_t state, void *data)
1320 struct wlsc_compositor *compositor = data;
1323 wl_display_terminate(compositor->wl_display);
1326 WL_EXPORT struct wlsc_binding *
1327 wlsc_compositor_add_binding(struct wlsc_compositor *compositor,
1328 uint32_t key, uint32_t button, uint32_t modifier,
1329 wlsc_binding_handler_t handler, void *data)
1331 struct wlsc_binding *binding;
1333 binding = malloc(sizeof *binding);
1334 if (binding == NULL)
1338 binding->button = button;
1339 binding->modifier = modifier;
1340 binding->handler = handler;
1341 binding->data = data;
1342 wl_list_insert(compositor->binding_list.prev, &binding->link);
1348 wlsc_binding_destroy(struct wlsc_binding *binding)
1350 wl_list_remove(&binding->link);
1355 update_modifier_state(struct wlsc_input_device *device,
1356 uint32_t key, uint32_t state)
1363 modifier = MODIFIER_CTRL;
1368 modifier = MODIFIER_ALT;
1373 modifier = MODIFIER_SUPER;
1382 device->modifier_state |= modifier;
1384 device->modifier_state &= ~modifier;
1388 notify_key(struct wl_input_device *device,
1389 uint32_t time, uint32_t key, uint32_t state)
1391 struct wlsc_input_device *wd = (struct wlsc_input_device *) device;
1392 struct wlsc_compositor *compositor =
1393 (struct wlsc_compositor *) device->compositor;
1395 struct wlsc_binding *b;
1398 wlsc_compositor_idle_inhibit(compositor);
1400 wlsc_compositor_idle_release(compositor);
1402 wl_list_for_each(b, &compositor->binding_list, link) {
1403 if (b->key == key &&
1404 b->modifier == wd->modifier_state) {
1405 b->handler(&wd->input_device,
1406 time, key, 0, state, b->data);
1411 update_modifier_state(wd, key, state);
1412 end = device->keys.data + device->keys.size;
1413 for (k = device->keys.data; k < end; k++) {
1417 device->keys.size = (void *) end - device->keys.data;
1419 k = wl_array_add(&device->keys, sizeof *k);
1423 if (device->keyboard_focus != NULL)
1424 wl_client_post_event(device->keyboard_focus->client,
1426 WL_INPUT_DEVICE_KEY, time, key, state);
1430 notify_pointer_focus(struct wl_input_device *device,
1431 uint32_t time, struct wlsc_output *output,
1432 int32_t x, int32_t y)
1434 struct wlsc_input_device *wd = (struct wlsc_input_device *) device;
1435 struct wlsc_compositor *compositor =
1436 (struct wlsc_compositor *) device->compositor;
1437 struct wlsc_surface *es;
1443 es = pick_surface(device, &sx, &sy);
1444 wl_input_device_set_pointer_focus(device,
1446 time, x, y, sx, sy);
1448 compositor->focus = 1;
1450 wd->sprite->x = device->x - wd->hotspot_x;
1451 wd->sprite->y = device->y - wd->hotspot_y;
1453 wl_input_device_set_pointer_focus(device, NULL,
1455 compositor->focus = 0;
1458 wlsc_surface_damage(wd->sprite);
1462 notify_keyboard_focus(struct wl_input_device *device,
1463 uint32_t time, struct wlsc_output *output,
1464 struct wl_array *keys)
1466 struct wlsc_input_device *wd =
1467 (struct wlsc_input_device *) device;
1468 struct wlsc_compositor *compositor =
1469 (struct wlsc_compositor *) device->compositor;
1470 struct wlsc_surface *es;
1473 if (!wl_list_empty(&compositor->surface_list))
1474 es = container_of(compositor->surface_list.next,
1475 struct wlsc_surface, link);
1480 wl_array_copy(&wd->input_device.keys, keys);
1481 wd->modifier_state = 0;
1482 end = device->keys.data + device->keys.size;
1483 for (k = device->keys.data; k < end; k++) {
1484 wlsc_compositor_idle_inhibit(compositor);
1485 update_modifier_state(wd, *k, 1);
1488 wl_input_device_set_keyboard_focus(&wd->input_device,
1489 &es->surface, time);
1491 end = device->keys.data + device->keys.size;
1492 for (k = device->keys.data; k < end; k++)
1493 wlsc_compositor_idle_release(compositor);
1495 wd->modifier_state = 0;
1496 wl_input_device_set_keyboard_focus(&wd->input_device,
1503 input_device_attach(struct wl_client *client,
1504 struct wl_input_device *device_base,
1506 struct wl_buffer *buffer, int32_t x, int32_t y)
1508 struct wlsc_input_device *device =
1509 (struct wlsc_input_device *) device_base;
1511 if (time < device->input_device.pointer_focus_time)
1513 if (device->input_device.pointer_focus == NULL)
1515 if (device->input_device.pointer_focus->client != client)
1518 if (buffer == NULL) {
1519 wlsc_input_device_set_pointer_image(device,
1520 WLSC_POINTER_LEFT_PTR);
1524 wlsc_input_device_attach_buffer(device, buffer, x, y);
1527 const static struct wl_input_device_interface input_device_interface = {
1528 input_device_attach,
1532 wlsc_input_device_init(struct wlsc_input_device *device,
1533 struct wlsc_compositor *ec)
1535 wl_input_device_init(&device->input_device, &ec->compositor);
1537 device->input_device.object.interface = &wl_input_device_interface;
1538 device->input_device.object.implementation =
1539 (void (**)(void)) &input_device_interface;
1540 wl_display_add_object(ec->wl_display, &device->input_device.object);
1541 wl_display_add_global(ec->wl_display, &device->input_device.object, NULL);
1543 device->sprite = wlsc_surface_create(ec,
1544 device->input_device.x,
1545 device->input_device.y, 32, 32);
1546 device->hotspot_x = 16;
1547 device->hotspot_y = 16;
1548 device->modifier_state = 0;
1550 device->input_device.motion_grab.interface = &motion_grab_interface;
1552 wl_list_insert(ec->input_device_list.prev, &device->link);
1554 wlsc_input_device_set_pointer_image(device, WLSC_POINTER_LEFT_PTR);
1558 wlsc_output_post_geometry(struct wl_client *client,
1559 struct wl_object *global, uint32_t version)
1561 struct wlsc_output *output =
1562 container_of(global, struct wlsc_output, object);
1564 wl_client_post_event(client, global,
1566 output->x, output->y,
1567 output->width, output->height);
1570 static const char vertex_shader[] =
1571 "uniform mat4 proj;\n"
1572 "attribute vec2 position;\n"
1573 "attribute vec2 texcoord;\n"
1574 "varying vec2 v_texcoord;\n"
1577 " gl_Position = proj * vec4(position, 0.0, 1.0);\n"
1578 " v_texcoord = texcoord;\n"
1581 static const char texture_fragment_shader[] =
1582 "precision mediump float;\n"
1583 "varying vec2 v_texcoord;\n"
1584 "uniform sampler2D tex;\n"
1587 " gl_FragColor = texture2D(tex, v_texcoord)\n;"
1590 static const char solid_fragment_shader[] =
1591 "precision mediump float;\n"
1592 "varying vec2 v_texcoord;\n"
1593 "uniform vec4 color;\n"
1596 " gl_FragColor = color\n;"
1600 compile_shader(GLenum type, const char *source)
1606 s = glCreateShader(type);
1607 glShaderSource(s, 1, &source, NULL);
1609 glGetShaderiv(s, GL_COMPILE_STATUS, &status);
1611 glGetShaderInfoLog(s, sizeof msg, NULL, msg);
1612 fprintf(stderr, "shader info: %s\n", msg);
1620 wlsc_shader_init(struct wlsc_shader *shader,
1621 const char *vertex_source, const char *fragment_source)
1626 shader->vertex_shader =
1627 compile_shader(GL_VERTEX_SHADER, vertex_source);
1628 shader->fragment_shader =
1629 compile_shader(GL_FRAGMENT_SHADER, fragment_source);
1631 shader->program = glCreateProgram();
1632 glAttachShader(shader->program, shader->vertex_shader);
1633 glAttachShader(shader->program, shader->fragment_shader);
1634 glBindAttribLocation(shader->program, 0, "position");
1635 glBindAttribLocation(shader->program, 1, "texcoord");
1637 glLinkProgram(shader->program);
1638 glGetProgramiv(shader->program, GL_LINK_STATUS, &status);
1640 glGetProgramInfoLog(shader->program, sizeof msg, NULL, msg);
1641 fprintf(stderr, "link info: %s\n", msg);
1645 shader->proj_uniform = glGetUniformLocation(shader->program, "proj");
1646 shader->tex_uniform = glGetUniformLocation(shader->program, "tex");
1652 init_solid_shader(struct wlsc_shader *shader,
1653 GLuint vertex_shader, const char *fragment_source)
1658 shader->vertex_shader = vertex_shader;
1659 shader->fragment_shader =
1660 compile_shader(GL_FRAGMENT_SHADER, fragment_source);
1662 shader->program = glCreateProgram();
1663 glAttachShader(shader->program, shader->vertex_shader);
1664 glAttachShader(shader->program, shader->fragment_shader);
1665 glBindAttribLocation(shader->program, 0, "position");
1666 glBindAttribLocation(shader->program, 1, "texcoord");
1668 glLinkProgram(shader->program);
1669 glGetProgramiv(shader->program, GL_LINK_STATUS, &status);
1671 glGetProgramInfoLog(shader->program, sizeof msg, NULL, msg);
1672 fprintf(stderr, "link info: %s\n", msg);
1676 shader->proj_uniform = glGetUniformLocation(shader->program, "proj");
1677 shader->color_uniform = glGetUniformLocation(shader->program, "color");
1683 wlsc_output_destroy(struct wlsc_output *output)
1685 destroy_surface(&output->background->surface.resource, NULL);
1689 wlsc_output_move(struct wlsc_output *output, int x, int y)
1691 struct wlsc_compositor *c = output->compositor;
1697 if (output->background) {
1698 output->background->x = x;
1699 output->background->y = y;
1702 pixman_region32_init(&output->previous_damage_region);
1704 wlsc_matrix_init(&output->matrix);
1705 wlsc_matrix_translate(&output->matrix,
1706 -output->x - output->width / 2.0,
1707 -output->y - output->height / 2.0, 0);
1709 flip = (output->flags & WL_OUTPUT_FLIPPED) ? -1 : 1;
1710 wlsc_matrix_scale(&output->matrix,
1711 2.0 / output->width,
1712 flip * 2.0 / output->height, 1);
1714 pixman_region32_union_rect(&c->damage_region,
1716 x, y, output->width, output->height);
1720 wlsc_output_init(struct wlsc_output *output, struct wlsc_compositor *c,
1721 int x, int y, int width, int height, uint32_t flags)
1723 output->compositor = c;
1726 output->width = width;
1727 output->height = height;
1729 output->background =
1730 background_create(output, option_background);
1732 output->flags = flags;
1733 output->finished = 1;
1734 wlsc_output_move(output, x, y);
1736 output->object.interface = &wl_output_interface;
1737 wl_display_add_object(c->wl_display, &output->object);
1738 wl_display_add_global(c->wl_display, &output->object,
1739 wlsc_output_post_geometry);
1743 shm_buffer_created(struct wl_buffer *buffer)
1745 struct wl_list *surfaces_attached_to;
1747 surfaces_attached_to = malloc(sizeof *surfaces_attached_to);
1748 if (!surfaces_attached_to) {
1749 buffer->user_data = NULL;
1753 wl_list_init(surfaces_attached_to);
1755 buffer->user_data = surfaces_attached_to;
1759 shm_buffer_damaged(struct wl_buffer *buffer,
1760 int32_t x, int32_t y, int32_t width, int32_t height)
1762 struct wl_list *surfaces_attached_to = buffer->user_data;
1763 struct wlsc_surface *es;
1764 GLsizei tex_width = wl_shm_buffer_get_stride(buffer) / 4;
1766 wl_list_for_each(es, surfaces_attached_to, buffer_link) {
1767 glBindTexture(GL_TEXTURE_2D, es->texture);
1768 glTexImage2D(GL_TEXTURE_2D, 0, GL_BGRA_EXT,
1769 tex_width, buffer->height, 0,
1770 GL_BGRA_EXT, GL_UNSIGNED_BYTE,
1771 wl_shm_buffer_get_data(buffer));
1772 /* Hmm, should use glTexSubImage2D() here but GLES2 doesn't
1773 * support any unpack attributes except GL_UNPACK_ALIGNMENT. */
1778 shm_buffer_destroyed(struct wl_buffer *buffer)
1780 struct wl_list *surfaces_attached_to = buffer->user_data;
1781 struct wlsc_surface *es, *next;
1783 wl_list_for_each_safe(es, next, surfaces_attached_to, buffer_link) {
1784 wl_list_remove(&es->buffer_link);
1785 wl_list_init(&es->buffer_link);
1788 free(surfaces_attached_to);
1791 const static struct wl_shm_callbacks shm_callbacks = {
1794 shm_buffer_destroyed
1798 wlsc_compositor_init(struct wlsc_compositor *ec, struct wl_display *display)
1800 struct wl_event_loop *loop;
1801 const char *extensions;
1803 ec->wl_display = display;
1805 wl_compositor_init(&ec->compositor, &compositor_interface, display);
1807 ec->shm = wl_shm_init(display, &shm_callbacks);
1809 ec->image_target_texture_2d =
1810 (void *) eglGetProcAddress("glEGLImageTargetTexture2DOES");
1811 ec->image_target_renderbuffer_storage = (void *)
1812 eglGetProcAddress("glEGLImageTargetRenderbufferStorageOES");
1813 ec->create_image = (void *) eglGetProcAddress("eglCreateImageKHR");
1814 ec->destroy_image = (void *) eglGetProcAddress("eglDestroyImageKHR");
1816 (void *) eglGetProcAddress("eglBindWaylandDisplayWL");
1817 ec->unbind_display =
1818 (void *) eglGetProcAddress("eglUnbindWaylandDisplayWL");
1820 extensions = (const char *) glGetString(GL_EXTENSIONS);
1821 if (!strstr(extensions, "GL_EXT_texture_format_BGRA8888")) {
1823 "GL_EXT_texture_format_BGRA8888 not available\n");
1828 (const char *) eglQueryString(ec->display, EGL_EXTENSIONS);
1829 if (strstr(extensions, "EGL_WL_bind_wayland_display"))
1830 ec->has_bind_display = 1;
1831 if (ec->has_bind_display)
1832 ec->bind_display(ec->display, ec->wl_display);
1834 wl_list_init(&ec->surface_list);
1835 wl_list_init(&ec->input_device_list);
1836 wl_list_init(&ec->output_list);
1837 wl_list_init(&ec->binding_list);
1838 wl_list_init(&ec->animation_list);
1839 wlsc_spring_init(&ec->fade.spring, 0.8, 0.0, 0.0);
1840 ec->fade.animation.frame = fade_frame;
1841 wl_list_init(&ec->fade.animation.link);
1843 wlsc_compositor_add_binding(ec, KEY_BACKSPACE, 0,
1844 MODIFIER_CTRL | MODIFIER_ALT,
1845 terminate_binding, ec);
1847 create_pointer_images(ec);
1849 screenshooter_create(ec);
1851 glActiveTexture(GL_TEXTURE0);
1853 if (wlsc_shader_init(&ec->texture_shader,
1854 vertex_shader, texture_fragment_shader) < 0)
1856 if (init_solid_shader(&ec->solid_shader,
1857 ec->texture_shader.vertex_shader,
1858 solid_fragment_shader) < 0)
1861 loop = wl_display_get_event_loop(ec->wl_display);
1862 ec->idle_source = wl_event_loop_add_timer(loop, idle_handler, ec);
1863 wl_event_source_timer_update(ec->idle_source, option_idle_time * 1000);
1865 ec->timer_source = wl_event_loop_add_timer(loop, repaint, ec);
1866 pixman_region32_init(&ec->damage_region);
1867 wlsc_compositor_schedule_repaint(ec);
1872 static int on_term_signal(int signal_number, void *data)
1874 struct wlsc_compositor *ec = data;
1876 wl_display_terminate(ec->wl_display);
1881 int main(int argc, char *argv[])
1883 struct wl_display *display;
1884 struct wlsc_compositor *ec;
1885 struct wl_event_loop *loop;
1886 int width, height, o;
1888 int (*shell_init)(struct wlsc_compositor *ec);
1891 static const char opts[] = "b:c:g:S:i:s:";
1892 static const struct option longopts[ ] = {
1893 { "background", 1, NULL, 'b' },
1894 { "connector", 1, NULL, 'c' },
1895 { "geometry", 1, NULL, 'g' },
1896 { "socket", 1, NULL, 'S' },
1897 { "idle-time", 1, NULL, 'i' },
1898 { "shell", 1, NULL, 's' },
1905 while (o = getopt_long(argc, argv, opts, longopts, &o), o > 0) {
1908 option_background = optarg;
1911 option_connector = strtol(optarg, &p, 0);
1914 "invalid connection option: %s\n",
1920 if (sscanf(optarg, "%dx%d", &width, &height) != 2) {
1922 "invalid geometry option: %s\n",
1928 option_socket_name = optarg;
1931 option_idle_time = strtol(optarg, &p, 0);
1934 "invalid idle time option: %s\n",
1940 option_shell = optarg;
1945 display = wl_display_create();
1949 shell_init = desktop_shell_init;
1951 shell_module = dlopen(option_shell, RTLD_LAZY);
1952 if (!shell_module) {
1953 fprintf(stderr, "failed to load shell module: %m\n");
1956 shell_init = dlsym(shell_module, "shell_init");
1959 "failed to lookup shell init function: %m\n");
1964 #if BUILD_WAYLAND_COMPOSITOR
1965 if (getenv("WAYLAND_DISPLAY"))
1966 ec = wayland_compositor_create(display, width, height);
1969 #if BUILD_X11_COMPOSITOR
1970 if (ec == NULL && getenv("DISPLAY"))
1971 ec = x11_compositor_create(display, width, height);
1974 #if BUILD_OPENWFD_COMPOSITOR
1975 if (ec == NULL && getenv("OPENWFD"))
1976 ec = wfd_compositor_create(display, option_connector);
1979 #if BUILD_DRM_COMPOSITOR
1981 ec = drm_compositor_create(display, option_connector);
1985 fprintf(stderr, "failed to create compositor\n");
1989 if (shell_init(ec) < 0)
1992 if (wl_display_add_socket(display, option_socket_name)) {
1993 fprintf(stderr, "failed to add socket: %m\n");
1997 loop = wl_display_get_event_loop(ec->wl_display);
1998 wl_event_loop_add_signal(loop, SIGTERM, on_term_signal, ec);
1999 wl_event_loop_add_signal(loop, SIGINT, on_term_signal, ec);
2001 wl_display_run(display);
2003 if (ec->has_bind_display)
2004 ec->unbind_display(ec->display, display);
2005 wl_display_destroy(display);