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 int option_idle_time = 300;
49 wlsc_matrix_init(struct wlsc_matrix *matrix)
51 static const struct wlsc_matrix identity = {
52 { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1 }
55 memcpy(matrix, &identity, sizeof identity);
59 wlsc_matrix_multiply(struct wlsc_matrix *m, const struct wlsc_matrix *n)
61 struct wlsc_matrix tmp;
62 const GLfloat *row, *column;
66 for (i = 0; i < 16; i++) {
69 row = m->d + d.quot * 4;
70 column = n->d + d.rem;
71 for (j = 0; j < 4; j++)
72 tmp.d[i] += row[j] * column[j * 4];
74 memcpy(m, &tmp, sizeof tmp);
78 wlsc_matrix_translate(struct wlsc_matrix *matrix, GLfloat x, GLfloat y, GLfloat z)
80 struct wlsc_matrix translate = {
81 { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, x, y, z, 1 }
84 wlsc_matrix_multiply(matrix, &translate);
88 wlsc_matrix_scale(struct wlsc_matrix *matrix, GLfloat x, GLfloat y, GLfloat z)
90 struct wlsc_matrix scale = {
91 { x, 0, 0, 0, 0, y, 0, 0, 0, 0, z, 0, 0, 0, 0, 1 }
94 wlsc_matrix_multiply(matrix, &scale);
98 wlsc_matrix_transform(struct wlsc_matrix *matrix, struct wlsc_vector *v)
101 struct wlsc_vector t;
103 for (i = 0; i < 4; i++) {
105 for (j = 0; j < 4; j++)
106 t.f[i] += v->f[j] * matrix->d[i + j * 4];
113 wlsc_spring_init(struct wlsc_spring *spring,
114 double k, double current, double target)
117 spring->friction = 100.0;
118 spring->current = current;
119 spring->previous = current;
120 spring->target = target;
124 wlsc_spring_update(struct wlsc_spring *spring, uint32_t msec)
126 double force, v, current, step;
128 step = (msec - spring->timestamp) / 500.0;
129 spring->timestamp = msec;
131 current = spring->current;
132 v = current - spring->previous;
133 force = spring->k * (spring->target - current) / 10.0 +
134 (spring->previous - current) - v * spring->friction;
137 current + (current - spring->previous) + force * step * step;
138 spring->previous = current;
140 if (spring->current >= 1.0) {
141 #ifdef TWEENER_BOUNCE
142 spring->current = 2.0 - spring->current;
143 spring->previous = 2.0 - spring->previous;
145 spring->current = 1.0;
146 spring->previous = 1.0;
150 if (spring->current <= 0.0) {
151 spring->current = 0.0;
152 spring->previous = 0.0;
157 wlsc_spring_done(struct wlsc_spring *spring)
159 return fabs(spring->previous - spring->target) < 0.0002 &&
160 fabs(spring->current - spring->target) < 0.0002;
163 WL_EXPORT struct wlsc_surface *
164 wlsc_surface_create(struct wlsc_compositor *compositor,
165 int32_t x, int32_t y, int32_t width, int32_t height)
167 struct wlsc_surface *surface;
169 surface = malloc(sizeof *surface);
173 wl_list_init(&surface->link);
174 wl_list_init(&surface->buffer_link);
175 surface->map_type = WLSC_SURFACE_MAP_UNMAPPED;
177 glGenTextures(1, &surface->texture);
178 glBindTexture(GL_TEXTURE_2D, surface->texture);
179 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
180 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
181 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
182 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
184 surface->compositor = compositor;
185 surface->visual = NULL;
186 surface->image = EGL_NO_IMAGE_KHR;
187 surface->saved_texture = 0;
190 surface->width = width;
191 surface->height = height;
193 surface->transform = NULL;
199 wlsc_surface_damage_rectangle(struct wlsc_surface *surface,
200 int32_t x, int32_t y,
201 int32_t width, int32_t height)
203 struct wlsc_compositor *compositor = surface->compositor;
205 pixman_region32_union_rect(&compositor->damage_region,
206 &compositor->damage_region,
207 surface->x + x, surface->y + y,
209 wlsc_compositor_schedule_repaint(compositor);
213 wlsc_surface_damage(struct wlsc_surface *surface)
215 wlsc_surface_damage_rectangle(surface, 0, 0,
216 surface->width, surface->height);
220 wlsc_compositor_get_time(void)
224 gettimeofday(&tv, NULL);
226 return tv.tv_sec * 1000 + tv.tv_usec / 1000;
230 destroy_surface(struct wl_resource *resource, struct wl_client *client)
232 struct wlsc_surface *surface =
233 container_of(resource, struct wlsc_surface, surface.resource);
234 struct wlsc_compositor *compositor = surface->compositor;
236 wlsc_surface_damage(surface);
238 wl_list_remove(&surface->link);
239 if (surface->saved_texture == 0)
240 glDeleteTextures(1, &surface->texture);
242 glDeleteTextures(1, &surface->saved_texture);
245 if (surface->image != EGL_NO_IMAGE_KHR)
246 compositor->destroy_image(compositor->display,
249 wl_list_remove(&surface->buffer_link);
255 wlsc_buffer_attach(struct wl_buffer *buffer, struct wl_surface *surface)
257 struct wlsc_surface *es = (struct wlsc_surface *) surface;
258 struct wlsc_compositor *ec = es->compositor;
259 struct wl_list *surfaces_attached_to;
261 if (es->saved_texture != 0)
262 es->texture = es->saved_texture;
264 glBindTexture(GL_TEXTURE_2D, es->texture);
266 if (wl_buffer_is_shm(buffer)) {
267 /* Unbind any EGLImage texture that may be bound, so we don't
269 glTexImage2D(GL_TEXTURE_2D, 0, GL_BGRA_EXT,
270 0, 0, 0, GL_BGRA_EXT, GL_UNSIGNED_BYTE, NULL);
271 es->pitch = wl_shm_buffer_get_stride(buffer) / 4;
272 glTexImage2D(GL_TEXTURE_2D, 0, GL_BGRA_EXT,
273 es->pitch, buffer->height, 0,
274 GL_BGRA_EXT, GL_UNSIGNED_BYTE,
275 wl_shm_buffer_get_data(buffer));
276 es->visual = buffer->visual;
278 surfaces_attached_to = buffer->user_data;
280 wl_list_remove(&es->buffer_link);
281 wl_list_insert(surfaces_attached_to, &es->buffer_link);
283 es->image = ec->create_image(ec->display, NULL,
284 EGL_WAYLAND_BUFFER_WL,
287 ec->image_target_texture_2d(GL_TEXTURE_2D, es->image);
288 es->visual = buffer->visual;
289 es->pitch = es->width;
294 wlsc_sprite_attach(struct wlsc_sprite *sprite, struct wl_surface *surface)
296 struct wlsc_surface *es = (struct wlsc_surface *) surface;
297 struct wlsc_compositor *ec = es->compositor;
299 es->pitch = es->width;
300 es->image = sprite->image;
301 if (sprite->image != EGL_NO_IMAGE_KHR) {
302 glBindTexture(GL_TEXTURE_2D, es->texture);
303 ec->image_target_texture_2d(GL_TEXTURE_2D, es->image);
305 if (es->saved_texture == 0)
306 es->saved_texture = es->texture;
307 es->texture = sprite->texture;
310 es->visual = sprite->visual;
314 SPRITE_USE_CURSOR = (1 << 0),
317 static struct wlsc_sprite *
318 create_sprite_from_png(struct wlsc_compositor *ec,
319 const char *filename, uint32_t usage)
322 struct wlsc_sprite *sprite;
323 int32_t width, height;
326 pixels = wlsc_load_image(filename, &width, &height, &stride);
330 sprite = malloc(sizeof *sprite);
331 if (sprite == NULL) {
336 sprite->visual = &ec->compositor.premultiplied_argb_visual;
337 sprite->width = width;
338 sprite->height = height;
339 sprite->image = EGL_NO_IMAGE_KHR;
341 if (usage & SPRITE_USE_CURSOR && ec->create_cursor_image != NULL)
342 sprite->image = ec->create_cursor_image(ec, width, height);
344 glGenTextures(1, &sprite->texture);
345 glBindTexture(GL_TEXTURE_2D, sprite->texture);
346 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
347 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
348 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
349 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
351 if (sprite->image != EGL_NO_IMAGE_KHR) {
352 ec->image_target_texture_2d(GL_TEXTURE_2D, sprite->image);
353 glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, width, height,
354 GL_BGRA_EXT, GL_UNSIGNED_BYTE, pixels);
356 glTexImage2D(GL_TEXTURE_2D, 0, GL_BGRA_EXT, width, height, 0,
357 GL_BGRA_EXT, GL_UNSIGNED_BYTE, pixels);
365 static const struct {
366 const char *filename;
367 int hotspot_x, hotspot_y;
368 } pointer_images[] = {
369 { DATADIR "/wayland/bottom_left_corner.png", 6, 30 },
370 { DATADIR "/wayland/bottom_right_corner.png", 28, 28 },
371 { DATADIR "/wayland/bottom_side.png", 16, 20 },
372 { DATADIR "/wayland/grabbing.png", 20, 17 },
373 { DATADIR "/wayland/left_ptr.png", 10, 5 },
374 { DATADIR "/wayland/left_side.png", 10, 20 },
375 { DATADIR "/wayland/right_side.png", 30, 19 },
376 { DATADIR "/wayland/top_left_corner.png", 8, 8 },
377 { DATADIR "/wayland/top_right_corner.png", 26, 8 },
378 { DATADIR "/wayland/top_side.png", 18, 8 },
379 { DATADIR "/wayland/xterm.png", 15, 15 }
383 create_pointer_images(struct wlsc_compositor *ec)
387 count = ARRAY_LENGTH(pointer_images);
388 ec->pointer_sprites = malloc(count * sizeof *ec->pointer_sprites);
389 for (i = 0; i < count; i++) {
390 ec->pointer_sprites[i] =
391 create_sprite_from_png(ec,
392 pointer_images[i].filename,
397 static struct wlsc_surface *
398 background_create(struct wlsc_output *output, const char *filename)
400 struct wlsc_surface *background;
401 struct wlsc_sprite *sprite;
403 background = wlsc_surface_create(output->compositor,
404 output->x, output->y,
405 output->width, output->height);
406 if (background == NULL)
409 sprite = create_sprite_from_png(output->compositor, filename, 0);
410 if (sprite == NULL) {
415 wlsc_sprite_attach(sprite, &background->surface);
421 texture_region(struct wlsc_surface *es, pixman_region32_t *region)
423 struct wlsc_compositor *ec = es->compositor;
424 GLfloat *v, inv_width, inv_height;
425 pixman_box32_t *rectangles;
429 rectangles = pixman_region32_rectangles(region, &n);
430 v = wl_array_add(&ec->vertices, n * 16 * sizeof *v);
431 p = wl_array_add(&ec->indices, n * 6 * sizeof *p);
432 inv_width = 1.0 / es->pitch;
433 inv_height = 1.0 / es->height;
435 for (i = 0; i < n; i++, v += 16, p += 6) {
436 v[ 0] = rectangles[i].x1;
437 v[ 1] = rectangles[i].y1;
438 v[ 2] = (GLfloat) (rectangles[i].x1 - es->x) * inv_width;
439 v[ 3] = (GLfloat) (rectangles[i].y1 - es->y) * inv_height;
441 v[ 4] = rectangles[i].x1;
442 v[ 5] = rectangles[i].y2;
444 v[ 7] = (GLfloat) (rectangles[i].y2 - es->y) * inv_height;
446 v[ 8] = rectangles[i].x2;
447 v[ 9] = rectangles[i].y1;
448 v[10] = (GLfloat) (rectangles[i].x2 - es->x) * inv_width;
451 v[12] = rectangles[i].x2;
452 v[13] = rectangles[i].y2;
468 transform_vertex(struct wlsc_surface *surface,
469 GLfloat x, GLfloat y, GLfloat u, GLfloat v, GLfloat *r)
471 struct wlsc_vector t;
478 wlsc_matrix_transform(&surface->transform->matrix, &t);
487 texture_transformed_surface(struct wlsc_surface *es)
489 struct wlsc_compositor *ec = es->compositor;
493 v = wl_array_add(&ec->vertices, 16 * sizeof *v);
494 p = wl_array_add(&ec->indices, 6 * sizeof *p);
496 transform_vertex(es, es->x, es->y, 0.0, 0.0, &v[0]);
497 transform_vertex(es, es->x, es->y + es->height, 0.0, 1.0, &v[4]);
498 transform_vertex(es, es->x + es->width, es->y, 1.0, 0.0, &v[8]);
499 transform_vertex(es, es->x + es->width, es->y + es->height,
513 wlsc_surface_draw(struct wlsc_surface *es,
514 struct wlsc_output *output, pixman_region32_t *clip)
516 struct wlsc_compositor *ec = es->compositor;
518 pixman_region32_t repaint;
521 pixman_region32_init_rect(&repaint,
522 es->x, es->y, es->width, es->height);
523 pixman_region32_intersect(&repaint, &repaint, clip);
524 if (!pixman_region32_not_empty(&repaint))
527 if (es->visual == &ec->compositor.argb_visual) {
528 glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
530 } else if (es->visual == &ec->compositor.premultiplied_argb_visual) {
531 glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
537 if (es->transform == NULL)
538 n = texture_region(es, &repaint);
540 n = texture_transformed_surface(es);
542 glBindTexture(GL_TEXTURE_2D, es->texture);
543 v = ec->vertices.data;
544 glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 4 * sizeof *v, &v[0]);
545 glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, 4 * sizeof *v, &v[2]);
546 glEnableVertexAttribArray(0);
547 glEnableVertexAttribArray(1);
548 glDrawElements(GL_TRIANGLES, n * 6, GL_UNSIGNED_INT, ec->indices.data);
550 ec->vertices.size = 0;
551 ec->indices.size = 0;
552 pixman_region32_fini(&repaint);
556 wlsc_surface_raise(struct wlsc_surface *surface)
558 struct wlsc_compositor *compositor = surface->compositor;
560 wl_list_remove(&surface->link);
561 wl_list_insert(&compositor->surface_list, &surface->link);
565 wlsc_compositor_damage_all(struct wlsc_compositor *compositor)
567 struct wlsc_output *output;
569 wl_list_for_each(output, &compositor->output_list, link)
570 wlsc_output_damage(output);
574 wlsc_output_finish_frame(struct wlsc_output *output, int msecs)
576 struct wlsc_compositor *compositor = output->compositor;
577 struct wlsc_surface *es;
578 struct wlsc_animation *animation, *next;
580 wl_list_for_each(es, &compositor->surface_list, link) {
581 if (es->output == output) {
582 wl_display_post_frame(compositor->wl_display,
583 &es->surface, msecs);
587 output->finished = 1;
589 wl_event_source_timer_update(compositor->timer_source, 5);
590 compositor->repaint_on_timeout = 1;
592 wl_list_for_each_safe(animation, next,
593 &compositor->animation_list, link)
594 animation->frame(animation, output, msecs);
598 wlsc_output_damage(struct wlsc_output *output)
600 struct wlsc_compositor *compositor = output->compositor;
602 pixman_region32_union_rect(&compositor->damage_region,
603 &compositor->damage_region,
604 output->x, output->y,
605 output->width, output->height);
606 wlsc_compositor_schedule_repaint(compositor);
610 fade_frame(struct wlsc_animation *animation,
611 struct wlsc_output *output, uint32_t msecs)
613 struct wlsc_compositor *compositor =
614 container_of(animation,
615 struct wlsc_compositor, fade.animation);
617 wlsc_spring_update(&compositor->fade.spring, msecs);
618 if (wlsc_spring_done(&compositor->fade.spring)) {
619 if (compositor->fade.spring.current > 0.999) {
620 compositor->state = WLSC_COMPOSITOR_SLEEPING;
621 compositor->shell->lock(compositor->shell);
623 compositor->fade.spring.current =
624 compositor->fade.spring.target;
625 wl_list_remove(&animation->link);
626 wl_list_init(&animation->link);
629 wlsc_output_damage(output);
633 fade_output(struct wlsc_output *output,
634 GLfloat tint, pixman_region32_t *region)
636 struct wlsc_compositor *compositor = output->compositor;
637 struct wlsc_surface surface;
638 GLfloat color[4] = { 0.0, 0.0, 0.0, tint };
640 surface.compositor = compositor;
641 surface.x = output->x;
642 surface.y = output->y;
643 surface.width = output->width;
644 surface.height = output->height;
645 surface.texture = GL_NONE;
646 surface.transform = NULL;
650 &compositor->compositor.premultiplied_argb_visual;
652 surface.visual = &compositor->compositor.rgb_visual;
654 glUseProgram(compositor->solid_shader.program);
655 glUniformMatrix4fv(compositor->solid_shader.proj_uniform,
656 1, GL_FALSE, output->matrix.d);
657 glUniform4fv(compositor->solid_shader.color_uniform, 1, color);
658 wlsc_surface_draw(&surface, output, region);
662 wlsc_output_repaint(struct wlsc_output *output)
664 struct wlsc_compositor *ec = output->compositor;
665 struct wlsc_surface *es;
666 struct wlsc_input_device *eid, *hw_cursor;
667 pixman_region32_t new_damage, total_damage;
669 output->prepare_render(output);
671 glViewport(0, 0, output->width, output->height);
673 glUseProgram(ec->texture_shader.program);
674 glUniformMatrix4fv(ec->texture_shader.proj_uniform,
675 1, GL_FALSE, output->matrix.d);
676 glUniform1i(ec->texture_shader.tex_uniform, 0);
678 pixman_region32_init(&new_damage);
679 pixman_region32_init(&total_damage);
680 pixman_region32_intersect_rect(&new_damage,
682 output->x, output->y,
683 output->width, output->height);
684 pixman_region32_subtract(&ec->damage_region,
685 &ec->damage_region, &new_damage);
686 pixman_region32_union(&total_damage, &new_damage,
687 &output->previous_damage_region);
688 pixman_region32_copy(&output->previous_damage_region, &new_damage);
691 if (ec->focus && ec->fade.spring.current < 0.001) {
692 hw_cursor = (struct wlsc_input_device *) ec->input_device;
693 if (output->set_hardware_cursor(output, hw_cursor) < 0)
696 output->set_hardware_cursor(output, NULL);
699 es = container_of(ec->surface_list.next, struct wlsc_surface, link);
701 if (es->visual == &ec->compositor.rgb_visual && hw_cursor) {
702 if (output->prepare_scanout_surface(output, es) == 0) {
703 /* We're drawing nothing now,
704 * draw the damaged regions later. */
705 pixman_region32_union(&ec->damage_region,
712 if (es->fullscreen_output == output) {
713 if (es->width < output->width ||
714 es->height < output->height)
715 glClear(GL_COLOR_BUFFER_BIT);
716 wlsc_surface_draw(es, output, &total_damage);
718 if (output->background)
719 wlsc_surface_draw(output->background,
720 output, &total_damage);
722 fade_output(output, 1.0, &total_damage);
724 glUseProgram(ec->texture_shader.program);
725 wl_list_for_each_reverse(es, &ec->surface_list, link) {
726 if (ec->overlay == es)
729 wlsc_surface_draw(es, output, &total_damage);
734 wlsc_surface_draw(ec->overlay, output, &total_damage);
737 wl_list_for_each(eid, &ec->input_device_list, link) {
738 if (&eid->input_device != ec->input_device ||
740 wlsc_surface_draw(eid->sprite, output,
744 if (ec->fade.spring.current > 0.001)
745 fade_output(output, ec->fade.spring.current, &total_damage);
751 struct wlsc_compositor *ec = data;
752 struct wlsc_output *output;
753 int repainted_all_outputs = 1;
755 wl_list_for_each(output, &ec->output_list, link) {
756 if (!output->repaint_needed)
759 if (!output->finished) {
760 repainted_all_outputs = 0;
764 wlsc_output_repaint(output);
765 output->finished = 0;
766 output->repaint_needed = 0;
767 output->present(output);
770 if (repainted_all_outputs)
771 ec->repaint_on_timeout = 0;
773 wl_event_source_timer_update(ec->timer_source, 1);
779 wlsc_compositor_schedule_repaint(struct wlsc_compositor *compositor)
781 struct wlsc_output *output;
783 if (compositor->state == WLSC_COMPOSITOR_SLEEPING)
786 wl_list_for_each(output, &compositor->output_list, link)
787 output->repaint_needed = 1;
789 if (compositor->repaint_on_timeout)
792 wl_event_source_timer_update(compositor->timer_source, 1);
793 compositor->repaint_on_timeout = 1;
797 wlsc_compositor_fade(struct wlsc_compositor *compositor, float tint)
801 done = wlsc_spring_done(&compositor->fade.spring);
802 compositor->fade.spring.target = tint;
803 if (wlsc_spring_done(&compositor->fade.spring))
807 compositor->fade.spring.timestamp =
808 wlsc_compositor_get_time();
810 wlsc_compositor_damage_all(compositor);
811 if (wl_list_empty(&compositor->fade.animation.link))
812 wl_list_insert(compositor->animation_list.prev,
813 &compositor->fade.animation.link);
817 surface_destroy(struct wl_client *client,
818 struct wl_surface *surface)
820 wl_resource_destroy(&surface->resource, client,
821 wlsc_compositor_get_time());
825 wlsc_surface_assign_output(struct wlsc_surface *es)
827 struct wlsc_compositor *ec = es->compositor;
828 struct wlsc_output *output;
830 struct wlsc_output *tmp = es->output;
833 wl_list_for_each(output, &ec->output_list, link) {
834 if (output->x < es->x && es->x < output->x + output->width &&
835 output->y < es->y && es->y < output->y + output->height) {
837 printf("assiging surface %p to output %p\n",
843 if (es->output == NULL) {
844 printf("no output found\n");
845 es->output = container_of(ec->output_list.next,
846 struct wlsc_output, link);
851 surface_attach(struct wl_client *client,
852 struct wl_surface *surface, struct wl_buffer *buffer,
853 int32_t x, int32_t y)
855 struct wlsc_surface *es = (struct wlsc_surface *) surface;
857 /* FIXME: This damages the entire old surface, but we should
858 * really just damage the part that's no longer covered by the
859 * surface. Anything covered by the new surface will be
860 * damaged by the client. */
861 wlsc_surface_damage(es);
863 switch (es->map_type) {
864 case WLSC_SURFACE_MAP_FULLSCREEN:
865 es->x = (es->fullscreen_output->width - es->width) / 2;
866 es->y = (es->fullscreen_output->height - es->height) / 2;
873 es->width = buffer->width;
874 es->height = buffer->height;
875 if (x != 0 || y != 0)
876 wlsc_surface_assign_output(es);
878 wlsc_buffer_attach(buffer, surface);
880 es->compositor->shell->attach(es->compositor->shell, es);
884 surface_map_toplevel(struct wl_client *client,
885 struct wl_surface *surface)
887 struct wlsc_surface *es = (struct wlsc_surface *) surface;
888 struct wlsc_compositor *ec = es->compositor;
890 switch (es->map_type) {
891 case WLSC_SURFACE_MAP_UNMAPPED:
892 es->x = 10 + random() % 400;
893 es->y = 10 + random() % 400;
894 /* assign to first output */
895 es->output = container_of(ec->output_list.next,
896 struct wlsc_output, link);
897 wl_list_insert(&es->compositor->surface_list, &es->link);
899 case WLSC_SURFACE_MAP_TOPLEVEL:
901 case WLSC_SURFACE_MAP_FULLSCREEN:
902 es->fullscreen_output = NULL;
910 wlsc_surface_damage(es);
911 es->map_type = WLSC_SURFACE_MAP_TOPLEVEL;
915 surface_map_transient(struct wl_client *client,
916 struct wl_surface *surface, struct wl_surface *parent,
917 int x, int y, uint32_t flags)
919 struct wlsc_surface *es = (struct wlsc_surface *) surface;
920 struct wlsc_surface *pes = (struct wlsc_surface *) parent;
922 switch (es->map_type) {
923 case WLSC_SURFACE_MAP_UNMAPPED:
924 wl_list_insert(&es->compositor->surface_list, &es->link);
925 /* assign to parents output */
926 es->output = pes->output;
928 case WLSC_SURFACE_MAP_FULLSCREEN:
929 es->fullscreen_output = NULL;
938 wlsc_surface_damage(es);
939 es->map_type = WLSC_SURFACE_MAP_TRANSIENT;
943 surface_map_fullscreen(struct wl_client *client, struct wl_surface *surface)
945 struct wlsc_surface *es = (struct wlsc_surface *) surface;
946 struct wlsc_output *output;
948 /* FIXME: Fullscreen on first output */
949 /* FIXME: Handle output going away */
950 output = container_of(es->compositor->output_list.next,
951 struct wlsc_output, link);
953 switch (es->map_type) {
954 case WLSC_SURFACE_MAP_UNMAPPED:
955 es->x = 10 + random() % 400;
956 es->y = 10 + random() % 400;
957 /* assign to first output */
959 wl_list_insert(&es->compositor->surface_list, &es->link);
961 case WLSC_SURFACE_MAP_FULLSCREEN:
969 es->x = (output->width - es->width) / 2;
970 es->y = (output->height - es->height) / 2;
971 es->fullscreen_output = output;
972 wlsc_surface_damage(es);
973 es->map_type = WLSC_SURFACE_MAP_FULLSCREEN;
977 surface_damage(struct wl_client *client,
978 struct wl_surface *surface,
979 int32_t x, int32_t y, int32_t width, int32_t height)
981 struct wlsc_surface *es = (struct wlsc_surface *) surface;
983 wlsc_surface_damage_rectangle(es, x, y, width, height);
986 const static struct wl_surface_interface surface_interface = {
989 surface_map_toplevel,
990 surface_map_transient,
991 surface_map_fullscreen,
996 wlsc_input_device_attach(struct wlsc_input_device *device,
997 int x, int y, int width, int height)
999 wlsc_surface_damage(device->sprite);
1001 device->hotspot_x = x;
1002 device->hotspot_y = y;
1004 device->sprite->x = device->input_device.x - device->hotspot_x;
1005 device->sprite->y = device->input_device.y - device->hotspot_y;
1006 device->sprite->width = width;
1007 device->sprite->height = height;
1009 wlsc_surface_damage(device->sprite);
1013 wlsc_input_device_attach_buffer(struct wlsc_input_device *device,
1014 struct wl_buffer *buffer, int x, int y)
1016 wlsc_buffer_attach(buffer, &device->sprite->surface);
1017 wlsc_input_device_attach(device, x, y, buffer->width, buffer->height);
1021 wlsc_input_device_attach_sprite(struct wlsc_input_device *device,
1022 struct wlsc_sprite *sprite, int x, int y)
1024 wlsc_sprite_attach(sprite, &device->sprite->surface);
1025 wlsc_input_device_attach(device, x, y, sprite->width, sprite->height);
1029 wlsc_input_device_set_pointer_image(struct wlsc_input_device *device,
1030 enum wlsc_pointer_type type)
1032 struct wlsc_compositor *compositor =
1033 (struct wlsc_compositor *) device->input_device.compositor;
1035 wlsc_input_device_attach_sprite(device,
1036 compositor->pointer_sprites[type],
1037 pointer_images[type].hotspot_x,
1038 pointer_images[type].hotspot_y);
1042 compositor_create_surface(struct wl_client *client,
1043 struct wl_compositor *compositor, uint32_t id)
1045 struct wlsc_compositor *ec = (struct wlsc_compositor *) compositor;
1046 struct wlsc_surface *surface;
1048 surface = wlsc_surface_create(ec, 0, 0, 0, 0);
1049 if (surface == NULL) {
1050 wl_client_post_no_memory(client);
1054 surface->surface.resource.destroy = destroy_surface;
1056 surface->surface.resource.object.id = id;
1057 surface->surface.resource.object.interface = &wl_surface_interface;
1058 surface->surface.resource.object.implementation =
1059 (void (**)(void)) &surface_interface;
1060 surface->surface.client = client;
1062 wl_client_add_resource(client, &surface->surface.resource);
1065 const static struct wl_compositor_interface compositor_interface = {
1066 compositor_create_surface,
1070 wlsc_surface_transform(struct wlsc_surface *surface,
1071 int32_t x, int32_t y, int32_t *sx, int32_t *sy)
1073 *sx = x - surface->x;
1074 *sy = y - surface->y;
1077 WL_EXPORT struct wlsc_surface *
1078 pick_surface(struct wl_input_device *device, int32_t *sx, int32_t *sy)
1080 struct wlsc_compositor *ec =
1081 (struct wlsc_compositor *) device->compositor;
1082 struct wlsc_surface *es;
1084 wl_list_for_each(es, &ec->surface_list, link) {
1085 wlsc_surface_transform(es, device->x, device->y, sx, sy);
1086 if (0 <= *sx && *sx < es->width &&
1087 0 <= *sy && *sy < es->height)
1096 motion_grab_motion(struct wl_grab *grab,
1097 uint32_t time, int32_t x, int32_t y)
1099 struct wlsc_input_device *device =
1100 (struct wlsc_input_device *) grab->input_device;
1101 struct wlsc_surface *es =
1102 (struct wlsc_surface *) device->input_device.pointer_focus;
1105 wlsc_surface_transform(es, x, y, &sx, &sy);
1106 wl_client_post_event(es->surface.client,
1107 &device->input_device.object,
1108 WL_INPUT_DEVICE_MOTION,
1109 time, x, y, sx, sy);
1113 motion_grab_button(struct wl_grab *grab,
1114 uint32_t time, int32_t button, int32_t state)
1116 wl_client_post_event(grab->input_device->pointer_focus->client,
1117 &grab->input_device->object,
1118 WL_INPUT_DEVICE_BUTTON,
1119 time, button, state);
1123 motion_grab_end(struct wl_grab *grab, uint32_t time)
1127 static const struct wl_grab_interface motion_grab_interface = {
1134 wlsc_compositor_wake(struct wlsc_compositor *compositor)
1136 if (compositor->idle_inhibit)
1139 wlsc_compositor_fade(compositor, 0.0);
1140 compositor->state = WLSC_COMPOSITOR_ACTIVE;
1142 wl_event_source_timer_update(compositor->idle_source,
1143 option_idle_time * 1000);
1147 wlsc_compositor_idle_inhibit(struct wlsc_compositor *compositor)
1149 wlsc_compositor_wake(compositor);
1150 compositor->idle_inhibit++;
1154 wlsc_compositor_idle_release(struct wlsc_compositor *compositor)
1156 compositor->idle_inhibit--;
1157 wlsc_compositor_wake(compositor);
1161 idle_handler(void *data)
1163 struct wlsc_compositor *compositor = data;
1165 if (compositor->idle_inhibit)
1168 wlsc_compositor_fade(compositor, 1.0);
1174 notify_motion(struct wl_input_device *device, uint32_t time, int x, int y)
1176 struct wlsc_surface *es;
1177 struct wlsc_compositor *ec =
1178 (struct wlsc_compositor *) device->compositor;
1179 struct wlsc_output *output;
1180 const struct wl_grab_interface *interface;
1181 struct wlsc_input_device *wd = (struct wlsc_input_device *) device;
1183 int x_valid = 0, y_valid = 0;
1184 int min_x = INT_MAX, min_y = INT_MAX, max_x = INT_MIN, max_y = INT_MIN;
1186 wlsc_compositor_wake(ec);
1188 wl_list_for_each(output, &ec->output_list, link) {
1189 if (output->x <= x && x <= output->x + output->width)
1192 if (output->y <= y && y <= output->y + output->height)
1195 /* FIXME: calculate this only on output addition/deletion */
1196 if (output->x < min_x)
1198 if (output->y < min_y)
1201 if (output->x + output->width > max_x)
1202 max_x = output->x + output->width;
1203 if (output->y + output->height > max_y)
1204 max_y = output->y + output->height;
1210 else if (x >= max_x)
1216 else if (y >= max_y)
1224 interface = device->grab->interface;
1225 interface->motion(device->grab, time, x, y);
1227 es = pick_surface(device, &sx, &sy);
1228 wl_input_device_set_pointer_focus(device,
1230 time, x, y, sx, sy);
1232 wl_client_post_event(es->surface.client,
1234 WL_INPUT_DEVICE_MOTION,
1235 time, x, y, sx, sy);
1238 wlsc_surface_damage(wd->sprite);
1240 wd->sprite->x = device->x - wd->hotspot_x;
1241 wd->sprite->y = device->y - wd->hotspot_y;
1243 wlsc_surface_damage(wd->sprite);
1247 wlsc_surface_activate(struct wlsc_surface *surface,
1248 struct wlsc_input_device *device, uint32_t time)
1250 struct wlsc_shell *shell = surface->compositor->shell;
1252 wlsc_surface_raise(surface);
1253 if (device->selection)
1254 shell->set_selection_focus(shell,
1256 &surface->surface, time);
1258 wl_input_device_set_keyboard_focus(&device->input_device,
1263 struct wlsc_binding {
1267 wlsc_binding_handler_t handler;
1269 struct wl_list link;
1273 notify_button(struct wl_input_device *device,
1274 uint32_t time, int32_t button, int32_t state)
1276 struct wlsc_input_device *wd = (struct wlsc_input_device *) device;
1277 struct wlsc_compositor *compositor =
1278 (struct wlsc_compositor *) device->compositor;
1279 struct wlsc_binding *b;
1280 struct wlsc_surface *surface =
1281 (struct wlsc_surface *) device->pointer_focus;
1284 wlsc_compositor_idle_inhibit(compositor);
1286 wlsc_compositor_idle_release(compositor);
1288 if (state && surface && device->grab == NULL) {
1289 wlsc_surface_activate(surface, wd, time);
1290 wl_input_device_start_grab(device,
1291 &device->motion_grab,
1295 wl_list_for_each(b, &compositor->binding_list, link) {
1296 if (b->button == button &&
1297 b->modifier == wd->modifier_state && state) {
1298 b->handler(&wd->input_device,
1299 time, 0, button, state, b->data);
1305 device->grab->interface->button(device->grab, time,
1308 if (!state && device->grab && device->grab_button == button)
1309 wl_input_device_end_grab(device, time);
1313 terminate_binding(struct wl_input_device *device, uint32_t time,
1314 uint32_t key, uint32_t button, uint32_t state, void *data)
1316 struct wlsc_compositor *compositor = data;
1319 wl_display_terminate(compositor->wl_display);
1322 WL_EXPORT struct wlsc_binding *
1323 wlsc_compositor_add_binding(struct wlsc_compositor *compositor,
1324 uint32_t key, uint32_t button, uint32_t modifier,
1325 wlsc_binding_handler_t handler, void *data)
1327 struct wlsc_binding *binding;
1329 binding = malloc(sizeof *binding);
1330 if (binding == NULL)
1334 binding->button = button;
1335 binding->modifier = modifier;
1336 binding->handler = handler;
1337 binding->data = data;
1338 wl_list_insert(compositor->binding_list.prev, &binding->link);
1344 wlsc_binding_destroy(struct wlsc_binding *binding)
1346 wl_list_remove(&binding->link);
1351 update_modifier_state(struct wlsc_input_device *device,
1352 uint32_t key, uint32_t state)
1359 modifier = MODIFIER_CTRL;
1364 modifier = MODIFIER_ALT;
1369 modifier = MODIFIER_SUPER;
1378 device->modifier_state |= modifier;
1380 device->modifier_state &= ~modifier;
1384 notify_key(struct wl_input_device *device,
1385 uint32_t time, uint32_t key, uint32_t state)
1387 struct wlsc_input_device *wd = (struct wlsc_input_device *) device;
1388 struct wlsc_compositor *compositor =
1389 (struct wlsc_compositor *) device->compositor;
1391 struct wlsc_binding *b;
1394 wlsc_compositor_idle_inhibit(compositor);
1396 wlsc_compositor_idle_release(compositor);
1398 wl_list_for_each(b, &compositor->binding_list, link) {
1399 if (b->key == key &&
1400 b->modifier == wd->modifier_state) {
1401 b->handler(&wd->input_device,
1402 time, key, 0, state, b->data);
1407 update_modifier_state(wd, key, state);
1408 end = device->keys.data + device->keys.size;
1409 for (k = device->keys.data; k < end; k++) {
1413 device->keys.size = (void *) end - device->keys.data;
1415 k = wl_array_add(&device->keys, sizeof *k);
1419 if (device->keyboard_focus != NULL)
1420 wl_client_post_event(device->keyboard_focus->client,
1422 WL_INPUT_DEVICE_KEY, time, key, state);
1426 notify_pointer_focus(struct wl_input_device *device,
1427 uint32_t time, struct wlsc_output *output,
1428 int32_t x, int32_t y)
1430 struct wlsc_input_device *wd = (struct wlsc_input_device *) device;
1431 struct wlsc_compositor *compositor =
1432 (struct wlsc_compositor *) device->compositor;
1433 struct wlsc_surface *es;
1439 es = pick_surface(device, &sx, &sy);
1440 wl_input_device_set_pointer_focus(device,
1442 time, x, y, sx, sy);
1444 compositor->focus = 1;
1446 wd->sprite->x = device->x - wd->hotspot_x;
1447 wd->sprite->y = device->y - wd->hotspot_y;
1449 wl_input_device_set_pointer_focus(device, NULL,
1451 compositor->focus = 0;
1454 wlsc_surface_damage(wd->sprite);
1458 notify_keyboard_focus(struct wl_input_device *device,
1459 uint32_t time, struct wlsc_output *output,
1460 struct wl_array *keys)
1462 struct wlsc_input_device *wd =
1463 (struct wlsc_input_device *) device;
1464 struct wlsc_compositor *compositor =
1465 (struct wlsc_compositor *) device->compositor;
1466 struct wlsc_surface *es;
1469 if (!wl_list_empty(&compositor->surface_list))
1470 es = container_of(compositor->surface_list.next,
1471 struct wlsc_surface, link);
1476 wl_array_copy(&wd->input_device.keys, keys);
1477 wd->modifier_state = 0;
1478 end = device->keys.data + device->keys.size;
1479 for (k = device->keys.data; k < end; k++) {
1480 wlsc_compositor_idle_inhibit(compositor);
1481 update_modifier_state(wd, *k, 1);
1484 wl_input_device_set_keyboard_focus(&wd->input_device,
1485 &es->surface, time);
1487 end = device->keys.data + device->keys.size;
1488 for (k = device->keys.data; k < end; k++)
1489 wlsc_compositor_idle_release(compositor);
1491 wd->modifier_state = 0;
1492 wl_input_device_set_keyboard_focus(&wd->input_device,
1499 input_device_attach(struct wl_client *client,
1500 struct wl_input_device *device_base,
1502 struct wl_buffer *buffer, int32_t x, int32_t y)
1504 struct wlsc_input_device *device =
1505 (struct wlsc_input_device *) device_base;
1507 if (time < device->input_device.pointer_focus_time)
1509 if (device->input_device.pointer_focus == NULL)
1511 if (device->input_device.pointer_focus->client != client)
1514 if (buffer == NULL) {
1515 wlsc_input_device_set_pointer_image(device,
1516 WLSC_POINTER_LEFT_PTR);
1520 wlsc_input_device_attach_buffer(device, buffer, x, y);
1523 const static struct wl_input_device_interface input_device_interface = {
1524 input_device_attach,
1528 wlsc_input_device_init(struct wlsc_input_device *device,
1529 struct wlsc_compositor *ec)
1531 wl_input_device_init(&device->input_device, &ec->compositor);
1533 device->input_device.object.interface = &wl_input_device_interface;
1534 device->input_device.object.implementation =
1535 (void (**)(void)) &input_device_interface;
1536 wl_display_add_object(ec->wl_display, &device->input_device.object);
1537 wl_display_add_global(ec->wl_display, &device->input_device.object, NULL);
1539 device->sprite = wlsc_surface_create(ec,
1540 device->input_device.x,
1541 device->input_device.y, 32, 32);
1542 device->hotspot_x = 16;
1543 device->hotspot_y = 16;
1544 device->modifier_state = 0;
1546 device->input_device.motion_grab.interface = &motion_grab_interface;
1548 wl_list_insert(ec->input_device_list.prev, &device->link);
1550 wlsc_input_device_set_pointer_image(device, WLSC_POINTER_LEFT_PTR);
1554 wlsc_output_post_geometry(struct wl_client *client,
1555 struct wl_object *global, uint32_t version)
1557 struct wlsc_output *output =
1558 container_of(global, struct wlsc_output, object);
1560 wl_client_post_event(client, global,
1562 output->x, output->y,
1563 output->width, output->height);
1566 static const char vertex_shader[] =
1567 "uniform mat4 proj;\n"
1568 "attribute vec2 position;\n"
1569 "attribute vec2 texcoord;\n"
1570 "varying vec2 v_texcoord;\n"
1573 " gl_Position = proj * vec4(position, 0.0, 1.0);\n"
1574 " v_texcoord = texcoord;\n"
1577 static const char texture_fragment_shader[] =
1578 "precision mediump float;\n"
1579 "varying vec2 v_texcoord;\n"
1580 "uniform sampler2D tex;\n"
1583 " gl_FragColor = texture2D(tex, v_texcoord)\n;"
1586 static const char solid_fragment_shader[] =
1587 "precision mediump float;\n"
1588 "varying vec2 v_texcoord;\n"
1589 "uniform vec4 color;\n"
1592 " gl_FragColor = color\n;"
1596 compile_shader(GLenum type, const char *source)
1602 s = glCreateShader(type);
1603 glShaderSource(s, 1, &source, NULL);
1605 glGetShaderiv(s, GL_COMPILE_STATUS, &status);
1607 glGetShaderInfoLog(s, sizeof msg, NULL, msg);
1608 fprintf(stderr, "shader info: %s\n", msg);
1616 wlsc_shader_init(struct wlsc_shader *shader,
1617 const char *vertex_source, const char *fragment_source)
1622 shader->vertex_shader =
1623 compile_shader(GL_VERTEX_SHADER, vertex_source);
1624 shader->fragment_shader =
1625 compile_shader(GL_FRAGMENT_SHADER, fragment_source);
1627 shader->program = glCreateProgram();
1628 glAttachShader(shader->program, shader->vertex_shader);
1629 glAttachShader(shader->program, shader->fragment_shader);
1630 glBindAttribLocation(shader->program, 0, "position");
1631 glBindAttribLocation(shader->program, 1, "texcoord");
1633 glLinkProgram(shader->program);
1634 glGetProgramiv(shader->program, GL_LINK_STATUS, &status);
1636 glGetProgramInfoLog(shader->program, sizeof msg, NULL, msg);
1637 fprintf(stderr, "link info: %s\n", msg);
1641 shader->proj_uniform = glGetUniformLocation(shader->program, "proj");
1642 shader->tex_uniform = glGetUniformLocation(shader->program, "tex");
1648 init_solid_shader(struct wlsc_shader *shader,
1649 GLuint vertex_shader, const char *fragment_source)
1654 shader->vertex_shader = vertex_shader;
1655 shader->fragment_shader =
1656 compile_shader(GL_FRAGMENT_SHADER, fragment_source);
1658 shader->program = glCreateProgram();
1659 glAttachShader(shader->program, shader->vertex_shader);
1660 glAttachShader(shader->program, shader->fragment_shader);
1661 glBindAttribLocation(shader->program, 0, "position");
1662 glBindAttribLocation(shader->program, 1, "texcoord");
1664 glLinkProgram(shader->program);
1665 glGetProgramiv(shader->program, GL_LINK_STATUS, &status);
1667 glGetProgramInfoLog(shader->program, sizeof msg, NULL, msg);
1668 fprintf(stderr, "link info: %s\n", msg);
1672 shader->proj_uniform = glGetUniformLocation(shader->program, "proj");
1673 shader->color_uniform = glGetUniformLocation(shader->program, "color");
1679 wlsc_output_destroy(struct wlsc_output *output)
1681 destroy_surface(&output->background->surface.resource, NULL);
1685 wlsc_output_move(struct wlsc_output *output, int x, int y)
1687 struct wlsc_compositor *c = output->compositor;
1693 if (output->background) {
1694 output->background->x = x;
1695 output->background->y = y;
1698 pixman_region32_init(&output->previous_damage_region);
1700 wlsc_matrix_init(&output->matrix);
1701 wlsc_matrix_translate(&output->matrix,
1702 -output->x - output->width / 2.0,
1703 -output->y - output->height / 2.0, 0);
1705 flip = (output->flags & WL_OUTPUT_FLIPPED) ? -1 : 1;
1706 wlsc_matrix_scale(&output->matrix,
1707 2.0 / output->width,
1708 flip * 2.0 / output->height, 1);
1710 pixman_region32_union_rect(&c->damage_region,
1712 x, y, output->width, output->height);
1716 wlsc_output_init(struct wlsc_output *output, struct wlsc_compositor *c,
1717 int x, int y, int width, int height, uint32_t flags)
1719 output->compositor = c;
1722 output->width = width;
1723 output->height = height;
1725 output->background =
1726 background_create(output, option_background);
1728 output->flags = flags;
1729 output->finished = 1;
1730 wlsc_output_move(output, x, y);
1732 output->object.interface = &wl_output_interface;
1733 wl_display_add_object(c->wl_display, &output->object);
1734 wl_display_add_global(c->wl_display, &output->object,
1735 wlsc_output_post_geometry);
1739 shm_buffer_created(struct wl_buffer *buffer)
1741 struct wl_list *surfaces_attached_to;
1743 surfaces_attached_to = malloc(sizeof *surfaces_attached_to);
1744 if (!surfaces_attached_to) {
1745 buffer->user_data = NULL;
1749 wl_list_init(surfaces_attached_to);
1751 buffer->user_data = surfaces_attached_to;
1755 shm_buffer_damaged(struct wl_buffer *buffer,
1756 int32_t x, int32_t y, int32_t width, int32_t height)
1758 struct wl_list *surfaces_attached_to = buffer->user_data;
1759 struct wlsc_surface *es;
1760 GLsizei tex_width = wl_shm_buffer_get_stride(buffer) / 4;
1762 wl_list_for_each(es, surfaces_attached_to, buffer_link) {
1763 glBindTexture(GL_TEXTURE_2D, es->texture);
1764 glTexImage2D(GL_TEXTURE_2D, 0, GL_BGRA_EXT,
1765 tex_width, buffer->height, 0,
1766 GL_BGRA_EXT, GL_UNSIGNED_BYTE,
1767 wl_shm_buffer_get_data(buffer));
1768 /* Hmm, should use glTexSubImage2D() here but GLES2 doesn't
1769 * support any unpack attributes except GL_UNPACK_ALIGNMENT. */
1774 shm_buffer_destroyed(struct wl_buffer *buffer)
1776 struct wl_list *surfaces_attached_to = buffer->user_data;
1777 struct wlsc_surface *es, *next;
1779 wl_list_for_each_safe(es, next, surfaces_attached_to, buffer_link) {
1780 wl_list_remove(&es->buffer_link);
1781 wl_list_init(&es->buffer_link);
1784 free(surfaces_attached_to);
1787 const static struct wl_shm_callbacks shm_callbacks = {
1790 shm_buffer_destroyed
1794 wlsc_compositor_init(struct wlsc_compositor *ec, struct wl_display *display)
1796 struct wl_event_loop *loop;
1797 const char *extensions;
1799 ec->wl_display = display;
1801 wl_compositor_init(&ec->compositor, &compositor_interface, display);
1803 ec->shm = wl_shm_init(display, &shm_callbacks);
1805 ec->image_target_texture_2d =
1806 (void *) eglGetProcAddress("glEGLImageTargetTexture2DOES");
1807 ec->image_target_renderbuffer_storage = (void *)
1808 eglGetProcAddress("glEGLImageTargetRenderbufferStorageOES");
1809 ec->create_image = (void *) eglGetProcAddress("eglCreateImageKHR");
1810 ec->destroy_image = (void *) eglGetProcAddress("eglDestroyImageKHR");
1812 (void *) eglGetProcAddress("eglBindWaylandDisplayWL");
1813 ec->unbind_display =
1814 (void *) eglGetProcAddress("eglUnbindWaylandDisplayWL");
1816 extensions = (const char *) glGetString(GL_EXTENSIONS);
1817 if (!strstr(extensions, "GL_EXT_texture_format_BGRA8888")) {
1819 "GL_EXT_texture_format_BGRA8888 not available\n");
1824 (const char *) eglQueryString(ec->display, EGL_EXTENSIONS);
1825 if (strstr(extensions, "EGL_WL_bind_wayland_display"))
1826 ec->has_bind_display = 1;
1827 if (ec->has_bind_display)
1828 ec->bind_display(ec->display, ec->wl_display);
1830 wl_list_init(&ec->surface_list);
1831 wl_list_init(&ec->input_device_list);
1832 wl_list_init(&ec->output_list);
1833 wl_list_init(&ec->binding_list);
1834 wl_list_init(&ec->animation_list);
1835 wlsc_spring_init(&ec->fade.spring, 0.8, 0.0, 0.0);
1836 ec->fade.animation.frame = fade_frame;
1837 wl_list_init(&ec->fade.animation.link);
1839 wlsc_compositor_add_binding(ec, KEY_BACKSPACE, 0,
1840 MODIFIER_CTRL | MODIFIER_ALT,
1841 terminate_binding, ec);
1843 create_pointer_images(ec);
1845 screenshooter_create(ec);
1847 glActiveTexture(GL_TEXTURE0);
1849 if (wlsc_shader_init(&ec->texture_shader,
1850 vertex_shader, texture_fragment_shader) < 0)
1852 if (init_solid_shader(&ec->solid_shader,
1853 ec->texture_shader.vertex_shader,
1854 solid_fragment_shader) < 0)
1857 loop = wl_display_get_event_loop(ec->wl_display);
1858 ec->idle_source = wl_event_loop_add_timer(loop, idle_handler, ec);
1859 wl_event_source_timer_update(ec->idle_source, option_idle_time * 1000);
1861 ec->timer_source = wl_event_loop_add_timer(loop, repaint, ec);
1862 pixman_region32_init(&ec->damage_region);
1863 wlsc_compositor_schedule_repaint(ec);
1868 static int on_term_signal(int signal_number, void *data)
1870 struct wlsc_compositor *ec = data;
1872 wl_display_terminate(ec->wl_display);
1878 load_module(const char *name, const char *entrypoint, void **handle)
1880 char path[PATH_MAX];
1881 void *module, *init;
1884 snprintf(path, sizeof path, MODULEDIR "/%s", name);
1886 snprintf(path, sizeof path, "%s", name);
1888 module = dlopen(path, RTLD_LAZY);
1891 "failed to load module: %s\n", dlerror());
1895 init = dlsym(module, entrypoint);
1898 "failed to lookup init function: %s\n", dlerror());
1905 int main(int argc, char *argv[])
1907 struct wl_display *display;
1908 struct wlsc_compositor *ec;
1909 struct wl_event_loop *loop;
1911 void *shell_module, *backend_module;
1912 int (*shell_init)(struct wlsc_compositor *ec);
1913 struct wlsc_compositor
1914 *(*backend_init)(struct wl_display *display, char *options);
1915 char *backend = NULL;
1916 char *backend_options = "";
1920 static const char opts[] = "B:b:o:S:i:s:";
1921 static const struct option longopts[ ] = {
1922 { "backend", 1, NULL, 'B' },
1923 { "backend-options", 1, NULL, 'o' },
1924 { "background", 1, NULL, 'b' },
1925 { "socket", 1, NULL, 'S' },
1926 { "idle-time", 1, NULL, 'i' },
1927 { "shell", 1, NULL, 's' },
1931 while (o = getopt_long(argc, argv, opts, longopts, &o), o > 0) {
1934 option_background = optarg;
1940 backend_options = optarg;
1943 option_socket_name = optarg;
1946 option_idle_time = strtol(optarg, &p, 0);
1949 "invalid idle time option: %s\n",
1960 display = wl_display_create();
1965 if (getenv("WAYLAND_DISPLAY"))
1966 backend = "wayland-backend.so";
1967 else if (getenv("DISPLAY"))
1968 backend = "x11-backend.so";
1969 else if (getenv("OPENWFD"))
1970 backend = "openwfd-backend.so";
1972 backend = "drm-backend.so";
1976 shell = "desktop-shell.so";
1978 backend_init = load_module(backend, "backend_init", &backend_module);
1982 shell_init = load_module(shell, "shell_init", &shell_module);
1986 ec = backend_init(display, backend_options);
1988 fprintf(stderr, "failed to create compositor\n");
1992 if (shell_init(ec) < 0)
1995 if (wl_display_add_socket(display, option_socket_name)) {
1996 fprintf(stderr, "failed to add socket: %m\n");
2000 loop = wl_display_get_event_loop(ec->wl_display);
2001 wl_event_loop_add_signal(loop, SIGTERM, on_term_signal, ec);
2002 wl_event_loop_add_signal(loop, SIGINT, on_term_signal, ec);
2004 wl_display_run(display);
2006 if (ec->has_bind_display)
2007 ec->unbind_display(ec->display, display);
2008 wl_display_destroy(display);