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_tweener_init(struct wlsc_tweener *tweener,
116 double k, double current, double target)
119 tweener->friction = 100.0;
120 tweener->current = current;
121 tweener->previous = current;
122 tweener->target = target;
126 wlsc_tweener_update(struct wlsc_tweener *tweener, uint32_t msec)
128 double force, v, current, step;
130 step = (msec - tweener->timestamp) / 500.0;
131 tweener->timestamp = msec;
133 current = tweener->current;
134 v = current - tweener->previous;
135 force = tweener->k * (tweener->target - current) / 10.0 +
136 (tweener->previous - current) - v * tweener->friction;
139 current + (current - tweener->previous) + force * step * step;
140 tweener->previous = current;
142 if (tweener->current >= 1.0) {
143 #ifdef TWEENER_BOUNCE
144 tweener->current = 2.0 - tweener->current;
145 tweener->previous = 2.0 - tweener->previous;
147 tweener->current = 1.0;
148 tweener->previous = 1.0;
152 if (tweener->current <= 0.0) {
153 tweener->current = 0.0;
154 tweener->previous = 0.0;
159 wlsc_tweener_done(struct wlsc_tweener *tweener)
161 return fabs(tweener->previous - tweener->target) < 0.0002 &&
162 fabs(tweener->current - tweener->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;
197 surface->transform_inv = NULL;
203 wlsc_surface_damage_rectangle(struct wlsc_surface *surface,
204 int32_t x, int32_t y,
205 int32_t width, int32_t height)
207 struct wlsc_compositor *compositor = surface->compositor;
209 pixman_region32_union_rect(&compositor->damage_region,
210 &compositor->damage_region,
211 surface->x + x, surface->y + y,
213 wlsc_compositor_schedule_repaint(compositor);
217 wlsc_surface_damage(struct wlsc_surface *surface)
219 wlsc_surface_damage_rectangle(surface, 0, 0,
220 surface->width, surface->height);
224 wlsc_compositor_get_time(void)
228 gettimeofday(&tv, NULL);
230 return tv.tv_sec * 1000 + tv.tv_usec / 1000;
234 destroy_surface(struct wl_resource *resource, struct wl_client *client)
236 struct wlsc_surface *surface =
237 container_of(resource, struct wlsc_surface, surface.resource);
238 struct wl_listener *l, *next;
239 struct wlsc_compositor *compositor = surface->compositor;
242 wlsc_surface_damage(surface);
244 wl_list_remove(&surface->link);
245 if (surface->saved_texture == 0)
246 glDeleteTextures(1, &surface->texture);
248 glDeleteTextures(1, &surface->saved_texture);
251 if (surface->image != EGL_NO_IMAGE_KHR)
252 compositor->destroy_image(compositor->display,
255 wl_list_remove(&surface->buffer_link);
257 time = wlsc_compositor_get_time();
258 wl_list_for_each_safe(l, next,
259 &surface->surface.destroy_listener_list, link)
260 l->func(l, &surface->surface, time);
266 wlsc_buffer_attach(struct wl_buffer *buffer, struct wl_surface *surface)
268 struct wlsc_surface *es = (struct wlsc_surface *) surface;
269 struct wlsc_compositor *ec = es->compositor;
270 struct wl_list *surfaces_attached_to;
272 if (es->saved_texture != 0)
273 es->texture = es->saved_texture;
275 glBindTexture(GL_TEXTURE_2D, es->texture);
277 if (wl_buffer_is_shm(buffer)) {
278 /* Unbind any EGLImage texture that may be bound, so we don't
280 glTexImage2D(GL_TEXTURE_2D, 0, GL_BGRA_EXT,
281 0, 0, 0, GL_BGRA_EXT, GL_UNSIGNED_BYTE, NULL);
282 es->pitch = wl_shm_buffer_get_stride(buffer) / 4;
283 glTexImage2D(GL_TEXTURE_2D, 0, GL_BGRA_EXT,
284 es->pitch, buffer->height, 0,
285 GL_BGRA_EXT, GL_UNSIGNED_BYTE,
286 wl_shm_buffer_get_data(buffer));
287 es->visual = buffer->visual;
289 surfaces_attached_to = buffer->user_data;
291 wl_list_remove(&es->buffer_link);
292 wl_list_insert(surfaces_attached_to, &es->buffer_link);
294 es->image = ec->create_image(ec->display, NULL,
295 EGL_WAYLAND_BUFFER_WL,
298 ec->image_target_texture_2d(GL_TEXTURE_2D, es->image);
299 es->visual = buffer->visual;
300 es->pitch = es->width;
305 wlsc_sprite_attach(struct wlsc_sprite *sprite, struct wl_surface *surface)
307 struct wlsc_surface *es = (struct wlsc_surface *) surface;
308 struct wlsc_compositor *ec = es->compositor;
310 es->pitch = es->width;
311 es->image = sprite->image;
312 if (sprite->image != EGL_NO_IMAGE_KHR) {
313 glBindTexture(GL_TEXTURE_2D, es->texture);
314 ec->image_target_texture_2d(GL_TEXTURE_2D, es->image);
316 if (es->saved_texture == 0)
317 es->saved_texture = es->texture;
318 es->texture = sprite->texture;
321 es->visual = sprite->visual;
325 SPRITE_USE_CURSOR = (1 << 0),
328 static struct wlsc_sprite *
329 create_sprite_from_png(struct wlsc_compositor *ec,
330 const char *filename, uint32_t usage)
333 struct wlsc_sprite *sprite;
334 int32_t width, height;
337 pixels = wlsc_load_image(filename, &width, &height, &stride);
341 sprite = malloc(sizeof *sprite);
342 if (sprite == NULL) {
347 sprite->visual = &ec->compositor.premultiplied_argb_visual;
348 sprite->width = width;
349 sprite->height = height;
350 sprite->image = EGL_NO_IMAGE_KHR;
352 if (usage & SPRITE_USE_CURSOR && ec->create_cursor_image != NULL)
353 sprite->image = ec->create_cursor_image(ec, width, height);
355 glGenTextures(1, &sprite->texture);
356 glBindTexture(GL_TEXTURE_2D, sprite->texture);
357 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
358 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
359 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
360 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
362 if (sprite->image != EGL_NO_IMAGE_KHR) {
363 ec->image_target_texture_2d(GL_TEXTURE_2D, sprite->image);
364 glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, width, height,
365 GL_BGRA_EXT, GL_UNSIGNED_BYTE, pixels);
367 glTexImage2D(GL_TEXTURE_2D, 0, GL_BGRA_EXT, width, height, 0,
368 GL_BGRA_EXT, GL_UNSIGNED_BYTE, pixels);
376 static const struct {
377 const char *filename;
378 int hotspot_x, hotspot_y;
379 } pointer_images[] = {
380 { DATADIR "/wayland/bottom_left_corner.png", 6, 30 },
381 { DATADIR "/wayland/bottom_right_corner.png", 28, 28 },
382 { DATADIR "/wayland/bottom_side.png", 16, 20 },
383 { DATADIR "/wayland/grabbing.png", 20, 17 },
384 { DATADIR "/wayland/left_ptr.png", 10, 5 },
385 { DATADIR "/wayland/left_side.png", 10, 20 },
386 { DATADIR "/wayland/right_side.png", 30, 19 },
387 { DATADIR "/wayland/top_left_corner.png", 8, 8 },
388 { DATADIR "/wayland/top_right_corner.png", 26, 8 },
389 { DATADIR "/wayland/top_side.png", 18, 8 },
390 { DATADIR "/wayland/xterm.png", 15, 15 }
394 create_pointer_images(struct wlsc_compositor *ec)
398 count = ARRAY_LENGTH(pointer_images);
399 ec->pointer_sprites = malloc(count * sizeof *ec->pointer_sprites);
400 for (i = 0; i < count; i++) {
401 ec->pointer_sprites[i] =
402 create_sprite_from_png(ec,
403 pointer_images[i].filename,
408 static struct wlsc_surface *
409 background_create(struct wlsc_output *output, const char *filename)
411 struct wlsc_surface *background;
412 struct wlsc_sprite *sprite;
414 background = wlsc_surface_create(output->compositor,
415 output->x, output->y,
416 output->width, output->height);
417 if (background == NULL)
420 sprite = create_sprite_from_png(output->compositor, filename, 0);
421 if (sprite == NULL) {
426 wlsc_sprite_attach(sprite, &background->surface);
432 texture_region(struct wlsc_surface *es, pixman_region32_t *region)
434 struct wlsc_compositor *ec = es->compositor;
435 GLfloat *v, inv_width, inv_height;
436 pixman_box32_t *rectangles;
440 rectangles = pixman_region32_rectangles(region, &n);
441 v = wl_array_add(&ec->vertices, n * 16 * sizeof *v);
442 p = wl_array_add(&ec->indices, n * 6 * sizeof *p);
443 inv_width = 1.0 / es->pitch;
444 inv_height = 1.0 / es->height;
446 for (i = 0; i < n; i++, v += 16, p += 6) {
447 v[ 0] = rectangles[i].x1;
448 v[ 1] = rectangles[i].y1;
449 v[ 2] = (GLfloat) (rectangles[i].x1 - es->x) * inv_width;
450 v[ 3] = (GLfloat) (rectangles[i].y1 - es->y) * inv_height;
452 v[ 4] = rectangles[i].x1;
453 v[ 5] = rectangles[i].y2;
455 v[ 7] = (GLfloat) (rectangles[i].y2 - es->y) * inv_height;
457 v[ 8] = rectangles[i].x2;
458 v[ 9] = rectangles[i].y1;
459 v[10] = (GLfloat) (rectangles[i].x2 - es->x) * inv_width;
462 v[12] = rectangles[i].x2;
463 v[13] = rectangles[i].y2;
479 transform_vertex(struct wlsc_surface *surface,
480 GLfloat x, GLfloat y, GLfloat u, GLfloat v, GLfloat *r)
482 struct wlsc_vector t;
489 wlsc_matrix_transform(surface->transform, &t);
498 texture_transformed_surface(struct wlsc_surface *es)
500 struct wlsc_compositor *ec = es->compositor;
504 v = wl_array_add(&ec->vertices, 16 * sizeof *v);
505 p = wl_array_add(&ec->indices, 6 * sizeof *p);
507 transform_vertex(es, es->x, es->y, 0.0, 0.0, &v[0]);
508 transform_vertex(es, es->x, es->y + es->height, 0.0, 1.0, &v[4]);
509 transform_vertex(es, es->x + es->width, es->y, 1.0, 0.0, &v[8]);
510 transform_vertex(es, es->x + es->width, es->y + es->height,
524 wlsc_surface_draw(struct wlsc_surface *es,
525 struct wlsc_output *output, pixman_region32_t *clip)
527 struct wlsc_compositor *ec = es->compositor;
529 pixman_region32_t repaint;
532 pixman_region32_init_rect(&repaint,
533 es->x, es->y, es->width, es->height);
534 pixman_region32_intersect(&repaint, &repaint, clip);
535 if (!pixman_region32_not_empty(&repaint))
538 if (es->visual == &ec->compositor.argb_visual) {
539 glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
541 } else if (es->visual == &ec->compositor.premultiplied_argb_visual) {
542 glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
548 if (es->transform == NULL)
549 n = texture_region(es, &repaint);
551 n = texture_transformed_surface(es);
553 glBindTexture(GL_TEXTURE_2D, es->texture);
554 v = ec->vertices.data;
555 glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 4 * sizeof *v, &v[0]);
556 glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, 4 * sizeof *v, &v[2]);
557 glEnableVertexAttribArray(0);
558 glEnableVertexAttribArray(1);
559 glDrawElements(GL_TRIANGLES, n * 6, GL_UNSIGNED_INT, ec->indices.data);
561 ec->vertices.size = 0;
562 ec->indices.size = 0;
563 pixman_region32_fini(&repaint);
567 wlsc_surface_raise(struct wlsc_surface *surface)
569 struct wlsc_compositor *compositor = surface->compositor;
571 wl_list_remove(&surface->link);
572 wl_list_insert(&compositor->surface_list, &surface->link);
576 wlsc_compositor_damage_all(struct wlsc_compositor *compositor)
578 struct wlsc_output *output;
580 wl_list_for_each(output, &compositor->output_list, link)
581 wlsc_output_damage(output);
585 wlsc_output_finish_frame(struct wlsc_output *output, int msecs)
587 struct wlsc_compositor *compositor = output->compositor;
588 struct wlsc_surface *es;
589 struct wlsc_animation *animation, *next;
591 wl_list_for_each(es, &compositor->surface_list, link) {
592 if (es->output == output) {
593 wl_display_post_frame(compositor->wl_display,
594 &es->surface, msecs);
598 output->finished = 1;
600 wl_event_source_timer_update(compositor->timer_source, 5);
601 compositor->repaint_on_timeout = 1;
603 wl_list_for_each_safe(animation, next,
604 &compositor->animation_list, link)
605 animation->frame(animation, output, msecs);
609 wlsc_output_damage(struct wlsc_output *output)
611 struct wlsc_compositor *compositor = output->compositor;
613 pixman_region32_union_rect(&compositor->damage_region,
614 &compositor->damage_region,
615 output->x, output->y,
616 output->width, output->height);
617 wlsc_compositor_schedule_repaint(compositor);
621 fade_frame(struct wlsc_animation *animation,
622 struct wlsc_output *output, uint32_t msecs)
624 struct wlsc_compositor *compositor =
625 container_of(animation,
626 struct wlsc_compositor, fade.animation);
628 wlsc_tweener_update(&compositor->fade.tweener, msecs);
629 if (wlsc_tweener_done(&compositor->fade.tweener)) {
630 if (compositor->fade.tweener.current > 0.999) {
631 compositor->state = WLSC_COMPOSITOR_SLEEPING;
632 compositor->shell->lock(compositor->shell);
634 compositor->fade.tweener.current =
635 compositor->fade.tweener.target;
636 wl_list_remove(&animation->link);
637 wl_list_init(&animation->link);
640 wlsc_output_damage(output);
644 fade_output(struct wlsc_output *output,
645 GLfloat tint, pixman_region32_t *region)
647 struct wlsc_compositor *compositor = output->compositor;
648 struct wlsc_surface surface;
649 GLfloat color[4] = { 0.0, 0.0, 0.0, tint };
651 surface.compositor = compositor;
652 surface.x = output->x;
653 surface.y = output->y;
654 surface.width = output->width;
655 surface.height = output->height;
656 surface.texture = GL_NONE;
657 surface.transform = NULL;
661 &compositor->compositor.premultiplied_argb_visual;
663 surface.visual = &compositor->compositor.rgb_visual;
665 glUseProgram(compositor->solid_shader.program);
666 glUniformMatrix4fv(compositor->solid_shader.proj_uniform,
667 1, GL_FALSE, output->matrix.d);
668 glUniform4fv(compositor->solid_shader.color_uniform, 1, color);
669 wlsc_surface_draw(&surface, output, region);
673 wlsc_output_repaint(struct wlsc_output *output)
675 struct wlsc_compositor *ec = output->compositor;
676 struct wlsc_surface *es;
677 struct wlsc_input_device *eid;
678 pixman_region32_t new_damage, total_damage, repaint;
679 int using_hardware_cursor = 1;
681 output->prepare_render(output);
683 glViewport(0, 0, output->width, output->height);
685 glUseProgram(ec->texture_shader.program);
686 glUniformMatrix4fv(ec->texture_shader.proj_uniform,
687 1, GL_FALSE, output->matrix.d);
688 glUniform1i(ec->texture_shader.tex_uniform, 0);
690 pixman_region32_init(&new_damage);
691 pixman_region32_init(&total_damage);
692 pixman_region32_intersect_rect(&new_damage,
694 output->x, output->y,
695 output->width, output->height);
696 pixman_region32_subtract(&ec->damage_region,
697 &ec->damage_region, &new_damage);
698 pixman_region32_union(&total_damage, &new_damage,
699 &output->previous_damage_region);
700 pixman_region32_copy(&output->previous_damage_region, &new_damage);
703 if (output->set_hardware_cursor(output, ec->input_device) < 0)
704 using_hardware_cursor = 0;
705 if (ec->fade.tweener.current > 0.001)
706 using_hardware_cursor = 0;
708 es = container_of(ec->surface_list.next, struct wlsc_surface, link);
709 if (es->fullscreen_output == output) {
710 if (es->visual == &ec->compositor.rgb_visual &&
711 using_hardware_cursor) {
712 if (output->prepare_scanout_surface(output, es) == 0) {
713 /* We're drawing nothing now,
714 * draw the damaged regions later. */
715 pixman_region32_union(&ec->damage_region,
722 if (es->width < output->width ||
723 es->height < output->height)
724 glClear(GL_COLOR_BUFFER_BIT);
725 wlsc_surface_draw(es, output, &total_damage);
727 wl_list_for_each(es, &ec->surface_list, link) {
728 if (es->visual != &ec->compositor.rgb_visual)
731 pixman_region32_init_rect(&repaint,
733 es->width, es->height);
734 wlsc_surface_draw(es, output, &total_damage);
735 pixman_region32_subtract(&total_damage,
736 &total_damage, &repaint);
739 if (output->background)
740 wlsc_surface_draw(output->background,
741 output, &total_damage);
743 fade_output(output, 1.0, &total_damage);
745 glUseProgram(ec->texture_shader.program);
746 wl_list_for_each_reverse(es, &ec->surface_list, link) {
747 if (ec->overlay == es)
750 if (es->visual == &ec->compositor.rgb_visual) {
751 pixman_region32_union_rect(&total_damage,
754 es->width, es->height);
758 wlsc_surface_draw(es, output, &total_damage);
763 wlsc_surface_draw(ec->overlay, output, &total_damage);
766 wl_list_for_each(eid, &ec->input_device_list, link) {
767 if (&eid->input_device != ec->input_device ||
768 !using_hardware_cursor)
769 wlsc_surface_draw(eid->sprite, output,
773 if (ec->fade.tweener.current > 0.001)
774 fade_output(output, ec->fade.tweener.current, &total_damage);
780 struct wlsc_compositor *ec = data;
781 struct wlsc_output *output;
782 int repainted_all_outputs = 1;
784 wl_list_for_each(output, &ec->output_list, link) {
785 if (!output->repaint_needed)
788 if (!output->finished) {
789 repainted_all_outputs = 0;
793 wlsc_output_repaint(output);
794 output->finished = 0;
795 output->repaint_needed = 0;
796 output->present(output);
799 if (repainted_all_outputs)
800 ec->repaint_on_timeout = 0;
802 wl_event_source_timer_update(ec->timer_source, 1);
808 wlsc_compositor_schedule_repaint(struct wlsc_compositor *compositor)
810 struct wlsc_output *output;
812 if (compositor->state == WLSC_COMPOSITOR_SLEEPING)
815 wl_list_for_each(output, &compositor->output_list, link)
816 output->repaint_needed = 1;
818 if (compositor->repaint_on_timeout)
821 wl_event_source_timer_update(compositor->timer_source, 1);
822 compositor->repaint_on_timeout = 1;
826 wlsc_compositor_fade(struct wlsc_compositor *compositor, float tint)
830 done = wlsc_tweener_done(&compositor->fade.tweener);
831 compositor->fade.tweener.target = tint;
832 if (wlsc_tweener_done(&compositor->fade.tweener))
836 compositor->fade.tweener.timestamp =
837 wlsc_compositor_get_time();
839 wlsc_compositor_damage_all(compositor);
840 if (wl_list_empty(&compositor->fade.animation.link))
841 wl_list_insert(compositor->animation_list.prev,
842 &compositor->fade.animation.link);
846 surface_destroy(struct wl_client *client,
847 struct wl_surface *surface)
849 wl_resource_destroy(&surface->resource, client);
853 wlsc_surface_assign_output(struct wlsc_surface *es)
855 struct wlsc_compositor *ec = es->compositor;
856 struct wlsc_output *output;
858 struct wlsc_output *tmp = es->output;
861 wl_list_for_each(output, &ec->output_list, link) {
862 if (output->x < es->x && es->x < output->x + output->width &&
863 output->y < es->y && es->y < output->y + output->height) {
865 printf("assiging surface %p to output %p\n",
871 if (es->output == NULL) {
872 printf("no output found\n");
873 es->output = container_of(ec->output_list.next,
874 struct wlsc_output, link);
879 surface_attach(struct wl_client *client,
880 struct wl_surface *surface, struct wl_buffer *buffer,
881 int32_t x, int32_t y)
883 struct wlsc_surface *es = (struct wlsc_surface *) surface;
885 /* FIXME: This damages the entire old surface, but we should
886 * really just damage the part that's no longer covered by the
887 * surface. Anything covered by the new surface will be
888 * damaged by the client. */
889 wlsc_surface_damage(es);
891 wlsc_buffer_attach(buffer, surface);
893 switch (es->map_type) {
894 case WLSC_SURFACE_MAP_FULLSCREEN:
895 es->x = (es->fullscreen_output->width - es->width) / 2;
896 es->y = (es->fullscreen_output->height - es->height) / 2;
903 es->width = buffer->width;
904 es->height = buffer->height;
905 if (x != 0 || y != 0)
906 wlsc_surface_assign_output(es);
908 es->compositor->shell->attach(es->compositor->shell, es);
912 surface_map_toplevel(struct wl_client *client,
913 struct wl_surface *surface)
915 struct wlsc_surface *es = (struct wlsc_surface *) surface;
916 struct wlsc_compositor *ec = es->compositor;
918 switch (es->map_type) {
919 case WLSC_SURFACE_MAP_UNMAPPED:
920 es->x = 10 + random() % 400;
921 es->y = 10 + random() % 400;
922 /* assign to first output */
923 es->output = container_of(ec->output_list.next,
924 struct wlsc_output, link);
925 wl_list_insert(&es->compositor->surface_list, &es->link);
927 case WLSC_SURFACE_MAP_TOPLEVEL:
929 case WLSC_SURFACE_MAP_FULLSCREEN:
930 es->fullscreen_output = NULL;
938 wlsc_surface_damage(es);
939 es->map_type = WLSC_SURFACE_MAP_TOPLEVEL;
943 surface_map_transient(struct wl_client *client,
944 struct wl_surface *surface, struct wl_surface *parent,
945 int x, int y, uint32_t flags)
947 struct wlsc_surface *es = (struct wlsc_surface *) surface;
948 struct wlsc_surface *pes = (struct wlsc_surface *) parent;
950 switch (es->map_type) {
951 case WLSC_SURFACE_MAP_UNMAPPED:
952 wl_list_insert(&es->compositor->surface_list, &es->link);
953 /* assign to parents output */
954 es->output = pes->output;
956 case WLSC_SURFACE_MAP_FULLSCREEN:
957 es->fullscreen_output = NULL;
966 wlsc_surface_damage(es);
967 es->map_type = WLSC_SURFACE_MAP_TRANSIENT;
971 surface_map_fullscreen(struct wl_client *client, struct wl_surface *surface)
973 struct wlsc_surface *es = (struct wlsc_surface *) surface;
974 struct wlsc_output *output;
976 /* FIXME: Fullscreen on first output */
977 /* FIXME: Handle output going away */
978 output = container_of(es->compositor->output_list.next,
979 struct wlsc_output, link);
981 switch (es->map_type) {
982 case WLSC_SURFACE_MAP_UNMAPPED:
983 es->x = 10 + random() % 400;
984 es->y = 10 + random() % 400;
985 /* assign to first output */
987 wl_list_insert(&es->compositor->surface_list, &es->link);
989 case WLSC_SURFACE_MAP_FULLSCREEN:
997 es->x = (output->width - es->width) / 2;
998 es->y = (output->height - es->height) / 2;
999 es->fullscreen_output = output;
1000 wlsc_surface_damage(es);
1001 es->map_type = WLSC_SURFACE_MAP_FULLSCREEN;
1005 surface_damage(struct wl_client *client,
1006 struct wl_surface *surface,
1007 int32_t x, int32_t y, int32_t width, int32_t height)
1009 struct wlsc_surface *es = (struct wlsc_surface *) surface;
1011 wlsc_surface_damage_rectangle(es, x, y, width, height);
1014 const static struct wl_surface_interface surface_interface = {
1017 surface_map_toplevel,
1018 surface_map_transient,
1019 surface_map_fullscreen,
1024 wlsc_input_device_attach(struct wlsc_input_device *device,
1025 int x, int y, int width, int height)
1027 wlsc_surface_damage(device->sprite);
1029 device->hotspot_x = x;
1030 device->hotspot_y = y;
1032 device->sprite->x = device->input_device.x - device->hotspot_x;
1033 device->sprite->y = device->input_device.y - device->hotspot_y;
1034 device->sprite->width = width;
1035 device->sprite->height = height;
1037 wlsc_surface_damage(device->sprite);
1041 wlsc_input_device_attach_buffer(struct wlsc_input_device *device,
1042 struct wl_buffer *buffer, int x, int y)
1044 wlsc_buffer_attach(buffer, &device->sprite->surface);
1045 wlsc_input_device_attach(device, x, y, buffer->width, buffer->height);
1049 wlsc_input_device_attach_sprite(struct wlsc_input_device *device,
1050 struct wlsc_sprite *sprite, int x, int y)
1052 wlsc_sprite_attach(sprite, &device->sprite->surface);
1053 wlsc_input_device_attach(device, x, y, sprite->width, sprite->height);
1057 wlsc_input_device_set_pointer_image(struct wlsc_input_device *device,
1058 enum wlsc_pointer_type type)
1060 struct wlsc_compositor *compositor =
1061 (struct wlsc_compositor *) device->input_device.compositor;
1063 wlsc_input_device_attach_sprite(device,
1064 compositor->pointer_sprites[type],
1065 pointer_images[type].hotspot_x,
1066 pointer_images[type].hotspot_y);
1070 compositor_create_surface(struct wl_client *client,
1071 struct wl_compositor *compositor, uint32_t id)
1073 struct wlsc_compositor *ec = (struct wlsc_compositor *) compositor;
1074 struct wlsc_surface *surface;
1076 surface = wlsc_surface_create(ec, 0, 0, 0, 0);
1077 if (surface == NULL) {
1078 wl_client_post_no_memory(client);
1082 surface->surface.resource.destroy = destroy_surface;
1084 surface->surface.resource.object.id = id;
1085 surface->surface.resource.object.interface = &wl_surface_interface;
1086 surface->surface.resource.object.implementation =
1087 (void (**)(void)) &surface_interface;
1088 surface->surface.client = client;
1090 wl_client_add_resource(client, &surface->surface.resource);
1093 const static struct wl_compositor_interface compositor_interface = {
1094 compositor_create_surface,
1098 wlsc_surface_transform(struct wlsc_surface *surface,
1099 int32_t x, int32_t y, int32_t *sx, int32_t *sy)
1101 *sx = x - surface->x;
1102 *sy = y - surface->y;
1105 struct wlsc_surface *
1106 pick_surface(struct wl_input_device *device, int32_t *sx, int32_t *sy)
1108 struct wlsc_compositor *ec =
1109 (struct wlsc_compositor *) device->compositor;
1110 struct wlsc_surface *es;
1112 wl_list_for_each(es, &ec->surface_list, link) {
1113 wlsc_surface_transform(es, device->x, device->y, sx, sy);
1114 if (0 <= *sx && *sx < es->width &&
1115 0 <= *sy && *sy < es->height)
1124 motion_grab_motion(struct wl_grab *grab,
1125 uint32_t time, int32_t x, int32_t y)
1127 struct wlsc_input_device *device =
1128 (struct wlsc_input_device *) grab->input_device;
1129 struct wlsc_surface *es =
1130 (struct wlsc_surface *) device->input_device.pointer_focus;
1133 wlsc_surface_transform(es, x, y, &sx, &sy);
1134 wl_client_post_event(es->surface.client,
1135 &device->input_device.object,
1136 WL_INPUT_DEVICE_MOTION,
1137 time, x, y, sx, sy);
1141 motion_grab_button(struct wl_grab *grab,
1142 uint32_t time, int32_t button, int32_t state)
1144 wl_client_post_event(grab->input_device->pointer_focus->client,
1145 &grab->input_device->object,
1146 WL_INPUT_DEVICE_BUTTON,
1147 time, button, state);
1151 motion_grab_end(struct wl_grab *grab, uint32_t time)
1155 static const struct wl_grab_interface motion_grab_interface = {
1162 wlsc_compositor_wake(struct wlsc_compositor *compositor)
1164 if (compositor->idle_inhibit)
1167 wlsc_compositor_fade(compositor, 0.0);
1168 compositor->state = WLSC_COMPOSITOR_ACTIVE;
1170 wl_event_source_timer_update(compositor->idle_source,
1171 option_idle_time * 1000);
1175 wlsc_compositor_idle_inhibit(struct wlsc_compositor *compositor)
1177 wlsc_compositor_wake(compositor);
1178 compositor->idle_inhibit++;
1182 wlsc_compositor_idle_release(struct wlsc_compositor *compositor)
1184 compositor->idle_inhibit--;
1185 wlsc_compositor_wake(compositor);
1189 idle_handler(void *data)
1191 struct wlsc_compositor *compositor = data;
1193 if (compositor->idle_inhibit)
1196 wlsc_compositor_fade(compositor, 1.0);
1202 notify_motion(struct wl_input_device *device, uint32_t time, int x, int y)
1204 struct wlsc_surface *es;
1205 struct wlsc_compositor *ec =
1206 (struct wlsc_compositor *) device->compositor;
1207 struct wlsc_output *output;
1208 const struct wl_grab_interface *interface;
1209 struct wlsc_input_device *wd = (struct wlsc_input_device *) device;
1211 int x_valid = 0, y_valid = 0;
1212 int min_x = INT_MAX, min_y = INT_MAX, max_x = INT_MIN, max_y = INT_MIN;
1214 wlsc_compositor_wake(ec);
1216 wl_list_for_each(output, &ec->output_list, link) {
1217 if (output->x <= x && x <= output->x + output->width)
1220 if (output->y <= y && y <= output->y + output->height)
1223 /* FIXME: calculate this only on output addition/deletion */
1224 if (output->x < min_x)
1226 if (output->y < min_y)
1229 if (output->x + output->width > max_x)
1230 max_x = output->x + output->width;
1231 if (output->y + output->height > max_y)
1232 max_y = output->y + output->height;
1238 else if (x >= max_x)
1244 else if (y >= max_y)
1252 interface = device->grab->interface;
1253 interface->motion(device->grab, time, x, y);
1255 es = pick_surface(device, &sx, &sy);
1256 wl_input_device_set_pointer_focus(device,
1258 time, x, y, sx, sy);
1260 wl_client_post_event(es->surface.client,
1262 WL_INPUT_DEVICE_MOTION,
1263 time, x, y, sx, sy);
1266 wlsc_surface_damage(wd->sprite);
1268 wd->sprite->x = device->x - wd->hotspot_x;
1269 wd->sprite->y = device->y - wd->hotspot_y;
1271 wlsc_surface_damage(wd->sprite);
1275 wlsc_surface_activate(struct wlsc_surface *surface,
1276 struct wlsc_input_device *device, uint32_t time)
1278 wlsc_surface_raise(surface);
1279 if (device->selection)
1280 wlsc_selection_set_focus(device->selection,
1281 &surface->surface, time);
1283 wl_input_device_set_keyboard_focus(&device->input_device,
1288 struct wlsc_binding {
1292 wlsc_binding_handler_t handler;
1294 struct wl_list link;
1298 notify_button(struct wl_input_device *device,
1299 uint32_t time, int32_t button, int32_t state)
1301 struct wlsc_input_device *wd = (struct wlsc_input_device *) device;
1302 struct wlsc_compositor *compositor =
1303 (struct wlsc_compositor *) device->compositor;
1304 struct wlsc_binding *b;
1305 struct wlsc_surface *surface =
1306 (struct wlsc_surface *) device->pointer_focus;
1309 wlsc_compositor_idle_inhibit(compositor);
1311 wlsc_compositor_idle_release(compositor);
1313 if (state && surface && device->grab == NULL) {
1314 wlsc_surface_activate(surface, wd, time);
1315 wl_input_device_start_grab(device,
1316 &device->motion_grab,
1320 wl_list_for_each(b, &compositor->binding_list, link) {
1321 if (b->button == button &&
1322 b->modifier == wd->modifier_state && state) {
1323 b->handler(&wd->input_device,
1324 time, 0, button, state, b->data);
1330 device->grab->interface->button(device->grab, time,
1333 if (!state && device->grab && device->grab_button == button)
1334 wl_input_device_end_grab(device, time);
1338 terminate_binding(struct wl_input_device *device, uint32_t time,
1339 uint32_t key, uint32_t button, uint32_t state, void *data)
1341 struct wlsc_compositor *compositor = data;
1344 wl_display_terminate(compositor->wl_display);
1347 WL_EXPORT struct wlsc_binding *
1348 wlsc_compositor_add_binding(struct wlsc_compositor *compositor,
1349 uint32_t key, uint32_t button, uint32_t modifier,
1350 wlsc_binding_handler_t handler, void *data)
1352 struct wlsc_binding *binding;
1354 binding = malloc(sizeof *binding);
1355 if (binding == NULL)
1359 binding->button = button;
1360 binding->modifier = modifier;
1361 binding->handler = handler;
1362 binding->data = data;
1363 wl_list_insert(compositor->binding_list.prev, &binding->link);
1369 wlsc_binding_destroy(struct wlsc_binding *binding)
1371 wl_list_remove(&binding->link);
1376 update_modifier_state(struct wlsc_input_device *device,
1377 uint32_t key, uint32_t state)
1384 modifier = MODIFIER_CTRL;
1389 modifier = MODIFIER_ALT;
1394 modifier = MODIFIER_SUPER;
1403 device->modifier_state |= modifier;
1405 device->modifier_state &= ~modifier;
1409 notify_key(struct wl_input_device *device,
1410 uint32_t time, uint32_t key, uint32_t state)
1412 struct wlsc_input_device *wd = (struct wlsc_input_device *) device;
1413 struct wlsc_compositor *compositor =
1414 (struct wlsc_compositor *) device->compositor;
1416 struct wlsc_binding *b;
1419 wlsc_compositor_idle_inhibit(compositor);
1421 wlsc_compositor_idle_release(compositor);
1423 wl_list_for_each(b, &compositor->binding_list, link) {
1424 if (b->key == key &&
1425 b->modifier == wd->modifier_state) {
1426 b->handler(&wd->input_device,
1427 time, key, 0, state, b->data);
1432 update_modifier_state(wd, key, state);
1433 end = device->keys.data + device->keys.size;
1434 for (k = device->keys.data; k < end; k++) {
1438 device->keys.size = (void *) end - device->keys.data;
1440 k = wl_array_add(&device->keys, sizeof *k);
1444 if (device->keyboard_focus != NULL)
1445 wl_client_post_event(device->keyboard_focus->client,
1447 WL_INPUT_DEVICE_KEY, time, key, state);
1451 notify_pointer_focus(struct wl_input_device *device,
1452 uint32_t time, struct wlsc_output *output,
1453 int32_t x, int32_t y)
1455 struct wlsc_input_device *wd = (struct wlsc_input_device *) device;
1456 struct wlsc_compositor *compositor =
1457 (struct wlsc_compositor *) device->compositor;
1458 struct wlsc_surface *es;
1464 es = pick_surface(device, &sx, &sy);
1465 wl_input_device_set_pointer_focus(device,
1467 time, x, y, sx, sy);
1469 compositor->focus = 1;
1471 wd->sprite->x = device->x - wd->hotspot_x;
1472 wd->sprite->y = device->y - wd->hotspot_y;
1474 wl_input_device_set_pointer_focus(device, NULL,
1476 compositor->focus = 0;
1479 wlsc_surface_damage(wd->sprite);
1483 notify_keyboard_focus(struct wl_input_device *device,
1484 uint32_t time, struct wlsc_output *output,
1485 struct wl_array *keys)
1487 struct wlsc_input_device *wd =
1488 (struct wlsc_input_device *) device;
1489 struct wlsc_compositor *compositor =
1490 (struct wlsc_compositor *) device->compositor;
1491 struct wlsc_surface *es;
1494 if (!wl_list_empty(&compositor->surface_list))
1495 es = container_of(compositor->surface_list.next,
1496 struct wlsc_surface, link);
1501 wl_array_copy(&wd->input_device.keys, keys);
1502 wd->modifier_state = 0;
1503 end = device->keys.data + device->keys.size;
1504 for (k = device->keys.data; k < end; k++) {
1505 wlsc_compositor_idle_inhibit(compositor);
1506 update_modifier_state(wd, *k, 1);
1509 wl_input_device_set_keyboard_focus(&wd->input_device,
1510 &es->surface, time);
1512 end = device->keys.data + device->keys.size;
1513 for (k = device->keys.data; k < end; k++)
1514 wlsc_compositor_idle_release(compositor);
1516 wd->modifier_state = 0;
1517 wl_input_device_set_keyboard_focus(&wd->input_device,
1524 input_device_attach(struct wl_client *client,
1525 struct wl_input_device *device_base,
1527 struct wl_buffer *buffer, int32_t x, int32_t y)
1529 struct wlsc_input_device *device =
1530 (struct wlsc_input_device *) device_base;
1532 if (time < device->input_device.pointer_focus_time)
1534 if (device->input_device.pointer_focus == NULL)
1536 if (device->input_device.pointer_focus->client != client)
1539 if (buffer == NULL) {
1540 wlsc_input_device_set_pointer_image(device,
1541 WLSC_POINTER_LEFT_PTR);
1545 wlsc_input_device_attach_buffer(device, buffer, x, y);
1548 const static struct wl_input_device_interface input_device_interface = {
1549 input_device_attach,
1553 wlsc_input_device_init(struct wlsc_input_device *device,
1554 struct wlsc_compositor *ec)
1556 wl_input_device_init(&device->input_device, &ec->compositor);
1558 device->input_device.object.interface = &wl_input_device_interface;
1559 device->input_device.object.implementation =
1560 (void (**)(void)) &input_device_interface;
1561 wl_display_add_object(ec->wl_display, &device->input_device.object);
1562 wl_display_add_global(ec->wl_display, &device->input_device.object, NULL);
1564 device->sprite = wlsc_surface_create(ec,
1565 device->input_device.x,
1566 device->input_device.y, 32, 32);
1567 device->hotspot_x = 16;
1568 device->hotspot_y = 16;
1569 device->modifier_state = 0;
1571 device->input_device.motion_grab.interface = &motion_grab_interface;
1573 wl_list_insert(ec->input_device_list.prev, &device->link);
1575 wlsc_input_device_set_pointer_image(device, WLSC_POINTER_LEFT_PTR);
1579 wlsc_output_post_geometry(struct wl_client *client,
1580 struct wl_object *global, uint32_t version)
1582 struct wlsc_output *output =
1583 container_of(global, struct wlsc_output, object);
1585 wl_client_post_event(client, global,
1587 output->x, output->y,
1588 output->width, output->height);
1591 static const char vertex_shader[] =
1592 "uniform mat4 proj;\n"
1593 "attribute vec2 position;\n"
1594 "attribute vec2 texcoord;\n"
1595 "varying vec2 v_texcoord;\n"
1598 " gl_Position = proj * vec4(position, 0.0, 1.0);\n"
1599 " v_texcoord = texcoord;\n"
1602 static const char texture_fragment_shader[] =
1603 "precision mediump float;\n"
1604 "varying vec2 v_texcoord;\n"
1605 "uniform sampler2D tex;\n"
1608 " gl_FragColor = texture2D(tex, v_texcoord)\n;"
1611 static const char solid_fragment_shader[] =
1612 "precision mediump float;\n"
1613 "varying vec2 v_texcoord;\n"
1614 "uniform vec4 color;\n"
1617 " gl_FragColor = color\n;"
1621 compile_shader(GLenum type, const char *source)
1627 s = glCreateShader(type);
1628 glShaderSource(s, 1, &source, NULL);
1630 glGetShaderiv(s, GL_COMPILE_STATUS, &status);
1632 glGetShaderInfoLog(s, sizeof msg, NULL, msg);
1633 fprintf(stderr, "shader info: %s\n", msg);
1641 wlsc_shader_init(struct wlsc_shader *shader,
1642 const char *vertex_source, const char *fragment_source)
1647 shader->vertex_shader =
1648 compile_shader(GL_VERTEX_SHADER, vertex_source);
1649 shader->fragment_shader =
1650 compile_shader(GL_FRAGMENT_SHADER, fragment_source);
1652 shader->program = glCreateProgram();
1653 glAttachShader(shader->program, shader->vertex_shader);
1654 glAttachShader(shader->program, shader->fragment_shader);
1655 glBindAttribLocation(shader->program, 0, "position");
1656 glBindAttribLocation(shader->program, 1, "texcoord");
1658 glLinkProgram(shader->program);
1659 glGetProgramiv(shader->program, GL_LINK_STATUS, &status);
1661 glGetProgramInfoLog(shader->program, sizeof msg, NULL, msg);
1662 fprintf(stderr, "link info: %s\n", msg);
1666 shader->proj_uniform = glGetUniformLocation(shader->program, "proj");
1667 shader->tex_uniform = glGetUniformLocation(shader->program, "tex");
1673 init_solid_shader(struct wlsc_shader *shader,
1674 GLuint vertex_shader, const char *fragment_source)
1679 shader->vertex_shader = vertex_shader;
1680 shader->fragment_shader =
1681 compile_shader(GL_FRAGMENT_SHADER, fragment_source);
1683 shader->program = glCreateProgram();
1684 glAttachShader(shader->program, shader->vertex_shader);
1685 glAttachShader(shader->program, shader->fragment_shader);
1686 glBindAttribLocation(shader->program, 0, "position");
1687 glBindAttribLocation(shader->program, 1, "texcoord");
1689 glLinkProgram(shader->program);
1690 glGetProgramiv(shader->program, GL_LINK_STATUS, &status);
1692 glGetProgramInfoLog(shader->program, sizeof msg, NULL, msg);
1693 fprintf(stderr, "link info: %s\n", msg);
1697 shader->proj_uniform = glGetUniformLocation(shader->program, "proj");
1698 shader->color_uniform = glGetUniformLocation(shader->program, "color");
1704 wlsc_output_destroy(struct wlsc_output *output)
1706 destroy_surface(&output->background->surface.resource, NULL);
1710 wlsc_output_move(struct wlsc_output *output, int x, int y)
1712 struct wlsc_compositor *c = output->compositor;
1718 if (output->background) {
1719 output->background->x = x;
1720 output->background->y = y;
1723 pixman_region32_init(&output->previous_damage_region);
1725 wlsc_matrix_init(&output->matrix);
1726 wlsc_matrix_translate(&output->matrix,
1727 -output->x - output->width / 2.0,
1728 -output->y - output->height / 2.0, 0);
1730 flip = (output->flags & WL_OUTPUT_FLIPPED) ? -1 : 1;
1731 wlsc_matrix_scale(&output->matrix,
1732 2.0 / output->width,
1733 flip * 2.0 / output->height, 1);
1735 pixman_region32_union_rect(&c->damage_region,
1737 x, y, output->width, output->height);
1741 wlsc_output_init(struct wlsc_output *output, struct wlsc_compositor *c,
1742 int x, int y, int width, int height, uint32_t flags)
1744 output->compositor = c;
1747 output->width = width;
1748 output->height = height;
1750 output->background =
1751 background_create(output, option_background);
1753 output->flags = flags;
1754 output->finished = 1;
1755 wlsc_output_move(output, x, y);
1757 output->object.interface = &wl_output_interface;
1758 wl_display_add_object(c->wl_display, &output->object);
1759 wl_display_add_global(c->wl_display, &output->object,
1760 wlsc_output_post_geometry);
1764 shm_buffer_created(struct wl_buffer *buffer)
1766 struct wl_list *surfaces_attached_to;
1768 surfaces_attached_to = malloc(sizeof *surfaces_attached_to);
1769 if (!surfaces_attached_to) {
1770 buffer->user_data = NULL;
1774 wl_list_init(surfaces_attached_to);
1776 buffer->user_data = surfaces_attached_to;
1780 shm_buffer_damaged(struct wl_buffer *buffer,
1781 int32_t x, int32_t y, int32_t width, int32_t height)
1783 struct wl_list *surfaces_attached_to = buffer->user_data;
1784 struct wlsc_surface *es;
1785 GLsizei tex_width = wl_shm_buffer_get_stride(buffer) / 4;
1787 wl_list_for_each(es, surfaces_attached_to, buffer_link) {
1788 glBindTexture(GL_TEXTURE_2D, es->texture);
1789 glTexImage2D(GL_TEXTURE_2D, 0, GL_BGRA_EXT,
1790 tex_width, buffer->height, 0,
1791 GL_BGRA_EXT, GL_UNSIGNED_BYTE,
1792 wl_shm_buffer_get_data(buffer));
1793 /* Hmm, should use glTexSubImage2D() here but GLES2 doesn't
1794 * support any unpack attributes except GL_UNPACK_ALIGNMENT. */
1799 shm_buffer_destroyed(struct wl_buffer *buffer)
1801 struct wl_list *surfaces_attached_to = buffer->user_data;
1802 struct wlsc_surface *es, *next;
1804 wl_list_for_each_safe(es, next, surfaces_attached_to, buffer_link) {
1805 wl_list_remove(&es->buffer_link);
1806 wl_list_init(&es->buffer_link);
1809 free(surfaces_attached_to);
1812 const static struct wl_shm_callbacks shm_callbacks = {
1815 shm_buffer_destroyed
1819 wlsc_compositor_init(struct wlsc_compositor *ec, struct wl_display *display)
1821 struct wl_event_loop *loop;
1822 const char *extensions;
1824 ec->wl_display = display;
1826 wl_compositor_init(&ec->compositor, &compositor_interface, display);
1828 ec->shm = wl_shm_init(display, &shm_callbacks);
1830 ec->image_target_texture_2d =
1831 (void *) eglGetProcAddress("glEGLImageTargetTexture2DOES");
1832 ec->image_target_renderbuffer_storage = (void *)
1833 eglGetProcAddress("glEGLImageTargetRenderbufferStorageOES");
1834 ec->create_image = (void *) eglGetProcAddress("eglCreateImageKHR");
1835 ec->destroy_image = (void *) eglGetProcAddress("eglDestroyImageKHR");
1837 (void *) eglGetProcAddress("eglBindWaylandDisplayWL");
1838 ec->unbind_display =
1839 (void *) eglGetProcAddress("eglUnbindWaylandDisplayWL");
1841 extensions = (const char *) glGetString(GL_EXTENSIONS);
1842 if (!strstr(extensions, "GL_EXT_texture_format_BGRA8888")) {
1844 "GL_EXT_texture_format_BGRA8888 not available\n");
1849 (const char *) eglQueryString(ec->display, EGL_EXTENSIONS);
1850 if (strstr(extensions, "EGL_WL_bind_wayland_display"))
1851 ec->has_bind_display = 1;
1852 if (ec->has_bind_display)
1853 ec->bind_display(ec->display, ec->wl_display);
1855 wl_list_init(&ec->surface_list);
1856 wl_list_init(&ec->input_device_list);
1857 wl_list_init(&ec->output_list);
1858 wl_list_init(&ec->binding_list);
1859 wl_list_init(&ec->animation_list);
1860 wlsc_tweener_init(&ec->fade.tweener, 0.8, 0.0, 0.0);
1861 ec->fade.animation.frame = fade_frame;
1862 wl_list_init(&ec->fade.animation.link);
1864 wlsc_compositor_add_binding(ec, KEY_BACKSPACE, 0,
1865 MODIFIER_CTRL | MODIFIER_ALT,
1866 terminate_binding, ec);
1868 create_pointer_images(ec);
1870 screenshooter_create(ec);
1872 glActiveTexture(GL_TEXTURE0);
1874 if (wlsc_shader_init(&ec->texture_shader,
1875 vertex_shader, texture_fragment_shader) < 0)
1877 if (init_solid_shader(&ec->solid_shader,
1878 ec->texture_shader.vertex_shader,
1879 solid_fragment_shader) < 0)
1882 loop = wl_display_get_event_loop(ec->wl_display);
1883 ec->idle_source = wl_event_loop_add_timer(loop, idle_handler, ec);
1884 wl_event_source_timer_update(ec->idle_source, option_idle_time * 1000);
1886 ec->timer_source = wl_event_loop_add_timer(loop, repaint, ec);
1887 pixman_region32_init(&ec->damage_region);
1888 wlsc_compositor_schedule_repaint(ec);
1893 static int on_term_signal(int signal_number, void *data)
1895 struct wlsc_compositor *ec = data;
1897 wl_display_terminate(ec->wl_display);
1902 int main(int argc, char *argv[])
1904 struct wl_display *display;
1905 struct wlsc_compositor *ec;
1906 struct wl_event_loop *loop;
1907 int width, height, o;
1909 int (*shell_init)(struct wlsc_compositor *ec);
1912 static const char opts[] = "b:c:g:S:i:s:";
1913 static const struct option longopts[ ] = {
1914 { "background", 1, NULL, 'b' },
1915 { "connector", 1, NULL, 'c' },
1916 { "geometry", 1, NULL, 'g' },
1917 { "socket", 1, NULL, 'S' },
1918 { "idle-time", 1, NULL, 'i' },
1919 { "shell", 1, NULL, 's' },
1926 while (o = getopt_long(argc, argv, opts, longopts, &o), o > 0) {
1929 option_background = optarg;
1932 option_connector = strtol(optarg, &p, 0);
1935 "invalid connection option: %s\n",
1941 if (sscanf(optarg, "%dx%d", &width, &height) != 2) {
1943 "invalid geometry option: %s\n",
1949 option_socket_name = optarg;
1952 option_idle_time = strtol(optarg, &p, 0);
1955 "invalid idle time option: %s\n",
1961 option_shell = optarg;
1966 display = wl_display_create();
1970 shell_init = desktop_shell_init;
1972 shell_module = dlopen(option_shell, RTLD_LAZY);
1973 if (!shell_module) {
1974 fprintf(stderr, "failed to load shell module: %m\n");
1977 shell_init = dlsym(shell_module, "shell_init");
1980 "failed to lookup shell init function: %m\n");
1985 #if BUILD_WAYLAND_COMPOSITOR
1986 if (getenv("WAYLAND_DISPLAY"))
1987 ec = wayland_compositor_create(display, width, height);
1990 #if BUILD_X11_COMPOSITOR
1991 if (ec == NULL && getenv("DISPLAY"))
1992 ec = x11_compositor_create(display, width, height);
1995 #if BUILD_OPENWFD_COMPOSITOR
1996 if (ec == NULL && getenv("OPENWFD"))
1997 ec = wfd_compositor_create(display, option_connector);
2000 #if BUILD_DRM_COMPOSITOR
2002 ec = drm_compositor_create(display, option_connector);
2006 fprintf(stderr, "failed to create compositor\n");
2010 if (shell_init(ec) < 0)
2013 if (wl_display_add_socket(display, option_socket_name)) {
2014 fprintf(stderr, "failed to add socket: %m\n");
2018 loop = wl_display_get_event_loop(ec->wl_display);
2019 wl_event_loop_add_signal(loop, SIGTERM, on_term_signal, ec);
2020 wl_event_loop_add_signal(loop, SIGINT, on_term_signal, ec);
2022 wl_display_run(display);
2024 if (ec->has_bind_display)
2025 ec->unbind_display(ec->display, display);
2026 wl_display_destroy(display);