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.
28 #include <sys/ioctl.h>
31 #include <gdk-pixbuf/gdk-pixbuf.h>
33 #include <linux/input.h>
35 #include "wayland-server.h"
36 #include "compositor.h"
38 /* The plan here is to generate a random anonymous socket name and
39 * advertise that through a service on the session dbus.
41 static const char *option_socket_name = NULL;
42 static const char *option_background = "background.jpg";
43 static const char *option_geometry = "1024x640";
44 static int option_connector = 0;
46 static const GOptionEntry option_entries[] = {
47 { "background", 'b', 0, G_OPTION_ARG_STRING,
48 &option_background, "Background image" },
49 { "connector", 'c', 0, G_OPTION_ARG_INT,
50 &option_connector, "KMS connector" },
51 { "geometry", 'g', 0, G_OPTION_ARG_STRING,
52 &option_geometry, "Geometry" },
53 { "socket", 's', 0, G_OPTION_ARG_STRING,
54 &option_socket_name, "Socket Name" },
59 wlsc_matrix_init(struct wlsc_matrix *matrix)
61 static const struct wlsc_matrix identity = {
62 { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1 }
65 memcpy(matrix, &identity, sizeof identity);
69 wlsc_matrix_multiply(struct wlsc_matrix *m, const struct wlsc_matrix *n)
71 struct wlsc_matrix tmp;
72 const GLfloat *row, *column;
76 for (i = 0; i < 16; i++) {
79 row = m->d + d.quot * 4;
80 column = n->d + d.rem;
81 for (j = 0; j < 4; j++)
82 tmp.d[i] += row[j] * column[j * 4];
84 memcpy(m, &tmp, sizeof tmp);
88 wlsc_matrix_translate(struct wlsc_matrix *matrix, GLfloat x, GLfloat y, GLfloat z)
90 struct wlsc_matrix translate = {
91 { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, x, y, z, 1 }
94 wlsc_matrix_multiply(matrix, &translate);
98 wlsc_matrix_scale(struct wlsc_matrix *matrix, GLfloat x, GLfloat y, GLfloat z)
100 struct wlsc_matrix scale = {
101 { x, 0, 0, 0, 0, y, 0, 0, 0, 0, z, 0, 0, 0, 0, 1 }
104 wlsc_matrix_multiply(matrix, &scale);
108 wlsc_matrix_transform(struct wlsc_matrix *matrix, struct wlsc_vector *v)
111 struct wlsc_vector t;
113 for (i = 0; i < 4; i++) {
115 for (j = 0; j < 4; j++)
116 t.f[i] += v->f[j] * matrix->d[i + j * 4];
122 static struct wlsc_surface *
123 wlsc_surface_create(struct wlsc_compositor *compositor,
124 int32_t x, int32_t y, int32_t width, int32_t height)
126 struct wlsc_surface *surface;
128 surface = malloc(sizeof *surface);
132 wl_list_init(&surface->surface.destroy_listener_list);
133 wl_list_init(&surface->link);
134 surface->map_type = WLSC_SURFACE_MAP_UNMAPPED;
136 glGenTextures(1, &surface->texture);
137 glBindTexture(GL_TEXTURE_2D, surface->texture);
138 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
139 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
140 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
141 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
143 surface->compositor = compositor;
144 surface->visual = NULL;
147 surface->width = width;
148 surface->height = height;
149 wlsc_matrix_init(&surface->matrix);
150 wlsc_matrix_scale(&surface->matrix, width, height, 1);
151 wlsc_matrix_translate(&surface->matrix, x, y, 0);
153 wlsc_matrix_init(&surface->matrix_inv);
154 wlsc_matrix_translate(&surface->matrix_inv, -x, -y, 0);
155 wlsc_matrix_scale(&surface->matrix_inv, 1.0 / width, 1.0 / height, 1);
165 gettimeofday(&tv, NULL);
167 return tv.tv_sec * 1000 + tv.tv_usec / 1000;
171 destroy_surface(struct wl_resource *resource, struct wl_client *client)
173 struct wlsc_surface *surface =
174 container_of(resource, struct wlsc_surface, surface.resource);
175 struct wlsc_compositor *compositor = surface->compositor;
176 struct wl_listener *l, *next;
179 wl_list_remove(&surface->link);
180 glDeleteTextures(1, &surface->texture);
183 wl_list_for_each_safe(l, next,
184 &surface->surface.destroy_listener_list, link)
185 l->func(l, &surface->surface, time);
189 wlsc_compositor_schedule_repaint(compositor);
193 wlsc_load_image(const char *filename, int width, int height)
196 GError *error = NULL;
197 int stride, i, n_channels;
198 unsigned char *pixels, *end, *argb_pixels, *s, *d;
200 pixbuf = gdk_pixbuf_new_from_file_at_scale(filename,
204 fprintf(stderr, "failed to load image: %s\n", error->message);
209 stride = gdk_pixbuf_get_rowstride(pixbuf);
210 pixels = gdk_pixbuf_get_pixels(pixbuf);
211 n_channels = gdk_pixbuf_get_n_channels(pixbuf);
213 argb_pixels = malloc (height * width * 4);
214 if (argb_pixels == NULL) {
215 g_object_unref(pixbuf);
219 if (n_channels == 4) {
220 for (i = 0; i < height; i++) {
221 s = pixels + i * stride;
223 d = argb_pixels + i * width * 4;
227 #define MULT(_d,c,a,t) \
228 do { t = c * a + 0x7f; _d = ((t >> 8) + t) >> 8; } while (0)
230 MULT(d[0], s[2], s[3], t);
231 MULT(d[1], s[1], s[3], t);
232 MULT(d[2], s[0], s[3], t);
238 } else if (n_channels == 3) {
239 for (i = 0; i < height; i++) {
240 s = pixels + i * stride;
242 d = argb_pixels + i * width * 4;
254 g_object_unref(pixbuf);
256 return (uint32_t *) argb_pixels;
259 static struct wl_buffer *
260 create_buffer_from_png(struct wlsc_compositor *ec,
261 const char *filename, int width, int height)
264 struct wl_buffer *buffer;
266 pixels = wlsc_load_image(filename, width, height);
270 buffer = ec->create_buffer(ec, width, height,
271 &ec->compositor.premultiplied_argb_visual,
279 static const struct {
280 const char *filename;
281 int hotspot_x, hotspot_y;
282 } pointer_images[] = {
283 { DATADIR "/wayland/bottom_left_corner.png", 6, 30 },
284 { DATADIR "/wayland/bottom_right_corner.png", 28, 28 },
285 { DATADIR "/wayland/bottom_side.png", 16, 20 },
286 { DATADIR "/wayland/grabbing.png", 20, 17 },
287 { DATADIR "/wayland/left_ptr.png", 10, 5 },
288 { DATADIR "/wayland/left_side.png", 10, 20 },
289 { DATADIR "/wayland/right_side.png", 30, 19 },
290 { DATADIR "/wayland/top_left_corner.png", 8, 8 },
291 { DATADIR "/wayland/top_right_corner.png", 26, 8 },
292 { DATADIR "/wayland/top_side.png", 18, 8 },
293 { DATADIR "/wayland/xterm.png", 15, 15 }
297 create_pointer_images(struct wlsc_compositor *ec)
300 const int width = 32, height = 32;
302 count = ARRAY_LENGTH(pointer_images);
303 ec->pointer_buffers = malloc(count * sizeof *ec->pointer_buffers);
304 for (i = 0; i < count; i++) {
305 ec->pointer_buffers[i] =
306 create_buffer_from_png(ec,
307 pointer_images[i].filename,
312 static struct wlsc_surface *
313 background_create(struct wlsc_output *output, const char *filename)
315 struct wlsc_surface *background;
316 struct wl_buffer *buffer;
318 background = wlsc_surface_create(output->compositor,
319 output->x, output->y,
320 output->width, output->height);
321 if (background == NULL)
324 buffer = create_buffer_from_png(output->compositor,
326 output->width, output->height);
327 if (buffer == NULL) {
331 buffer->attach(buffer, &background->surface);
337 wlsc_surface_draw(struct wlsc_surface *es, struct wlsc_output *output)
339 struct wlsc_compositor *ec = es->compositor;
340 struct wlsc_matrix tmp;
343 wlsc_matrix_multiply(&tmp, &output->matrix);
344 glUniformMatrix4fv(ec->proj_uniform, 1, GL_FALSE, tmp.d);
345 glUniform1i(ec->tex_uniform, 0);
347 if (es->visual == &ec->compositor.argb_visual) {
348 glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
350 } else if (es->visual == &ec->compositor.premultiplied_argb_visual) {
351 glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
357 glBindTexture(GL_TEXTURE_2D, es->texture);
358 glBindBuffer(GL_ARRAY_BUFFER, ec->vbo);
359 glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE,
360 5 * sizeof(GLfloat), NULL);
361 glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE,
362 5 * sizeof(GLfloat), (GLfloat *) 0 + 3);
363 glEnableVertexAttribArray(0);
364 glEnableVertexAttribArray(1);
365 glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
369 wlsc_surface_raise(struct wlsc_surface *surface)
371 struct wlsc_compositor *compositor = surface->compositor;
373 wl_list_remove(&surface->link);
374 wl_list_insert(&compositor->surface_list, &surface->link);
378 wlsc_surface_update_matrix(struct wlsc_surface *es)
380 wlsc_matrix_init(&es->matrix);
381 wlsc_matrix_scale(&es->matrix, es->width, es->height, 1);
382 wlsc_matrix_translate(&es->matrix, es->x, es->y, 0);
384 wlsc_matrix_init(&es->matrix_inv);
385 wlsc_matrix_translate(&es->matrix_inv, -es->x, -es->y, 0);
386 wlsc_matrix_scale(&es->matrix_inv,
387 1.0 / es->width, 1.0 / es->height, 1);
391 wlsc_compositor_finish_frame(struct wlsc_compositor *compositor, int msecs)
393 wl_display_post_frame(compositor->wl_display, msecs);
394 wl_event_source_timer_update(compositor->timer_source, 5);
398 wlsc_output_repaint(struct wlsc_output *output)
400 struct wlsc_compositor *ec = output->compositor;
401 struct wlsc_surface *es;
402 struct wlsc_input_device *eid;
404 glViewport(0, 0, output->width, output->height);
406 es = container_of(ec->surface_list.next, struct wlsc_surface, link);
407 if (es->map_type == WLSC_SURFACE_MAP_FULLSCREEN &&
408 es->fullscreen_output == output) {
409 if (es->width < output->width || es->height < output->height)
410 glClear(GL_COLOR_BUFFER_BIT);
411 wlsc_surface_draw(es, output);
413 if (output->background)
414 wlsc_surface_draw(output->background, output);
416 glClear(GL_COLOR_BUFFER_BIT);
418 wl_list_for_each_reverse(es, &ec->surface_list, link)
419 wlsc_surface_draw(es, output);
423 wl_list_for_each(eid, &ec->input_device_list, link)
424 wlsc_surface_draw(eid->sprite, output);
430 struct wlsc_compositor *ec = data;
431 struct wlsc_output *output;
433 if (!ec->repaint_needed) {
434 ec->repaint_on_timeout = 0;
438 wl_list_for_each(output, &ec->output_list, link)
439 wlsc_output_repaint(output);
443 ec->repaint_needed = 0;
447 wlsc_compositor_schedule_repaint(struct wlsc_compositor *compositor)
449 compositor->repaint_needed = 1;
450 if (compositor->repaint_on_timeout)
453 wl_event_source_timer_update(compositor->timer_source, 1);
454 compositor->repaint_on_timeout = 1;
458 surface_destroy(struct wl_client *client,
459 struct wl_surface *surface)
461 wl_resource_destroy(&surface->resource, client);
465 surface_attach(struct wl_client *client,
466 struct wl_surface *surface, struct wl_buffer *buffer,
467 int32_t x, int32_t y)
469 struct wlsc_surface *es = (struct wlsc_surface *) surface;
471 buffer->attach(buffer, surface);
475 es->width = buffer->width;
476 es->height = buffer->height;
477 wlsc_surface_update_matrix(es);
481 surface_map_toplevel(struct wl_client *client,
482 struct wl_surface *surface)
484 struct wlsc_surface *es = (struct wlsc_surface *) surface;
486 switch (es->map_type) {
487 case WLSC_SURFACE_MAP_UNMAPPED:
488 es->x = 10 + random() % 400;
489 es->y = 10 + random() % 400;
490 wlsc_surface_update_matrix(es);
491 wl_list_insert(&es->compositor->surface_list, &es->link);
493 case WLSC_SURFACE_MAP_TOPLEVEL:
495 case WLSC_SURFACE_MAP_FULLSCREEN:
496 es->fullscreen_output = NULL;
499 wlsc_surface_update_matrix(es);
505 wlsc_compositor_schedule_repaint(es->compositor);
506 es->map_type = WLSC_SURFACE_MAP_TOPLEVEL;
510 surface_map_transient(struct wl_client *client,
511 struct wl_surface *surface, struct wl_surface *parent,
512 int x, int y, uint32_t flags)
514 struct wlsc_surface *es = (struct wlsc_surface *) surface;
515 struct wlsc_surface *pes = (struct wlsc_surface *) parent;
517 switch (es->map_type) {
518 case WLSC_SURFACE_MAP_UNMAPPED:
519 wl_list_insert(&es->compositor->surface_list, &es->link);
521 case WLSC_SURFACE_MAP_FULLSCREEN:
522 es->fullscreen_output = NULL;
531 wlsc_surface_update_matrix(es);
532 wlsc_compositor_schedule_repaint(es->compositor);
533 es->map_type = WLSC_SURFACE_MAP_TRANSIENT;
537 surface_map_fullscreen(struct wl_client *client, struct wl_surface *surface)
539 struct wlsc_surface *es = (struct wlsc_surface *) surface;
540 struct wlsc_output *output;
542 switch (es->map_type) {
543 case WLSC_SURFACE_MAP_UNMAPPED:
544 es->x = 10 + random() % 400;
545 es->y = 10 + random() % 400;
546 wl_list_insert(&es->compositor->surface_list, &es->link);
548 case WLSC_SURFACE_MAP_FULLSCREEN:
554 /* FIXME: Fullscreen on first output */
555 /* FIXME: Handle output going away */
556 output = container_of(es->compositor->output_list.next,
557 struct wlsc_output, link);
561 es->x = (output->width - es->width) / 2;
562 es->y = (output->height - es->height) / 2;
563 es->fullscreen_output = output;
564 wlsc_surface_update_matrix(es);
565 wlsc_compositor_schedule_repaint(es->compositor);
566 es->map_type = WLSC_SURFACE_MAP_FULLSCREEN;
570 surface_damage(struct wl_client *client,
571 struct wl_surface *surface,
572 int32_t x, int32_t y, int32_t width, int32_t height)
574 struct wlsc_surface *es = (struct wlsc_surface *) surface;
576 es->buffer->damage(es->buffer, surface, x, y, width, height);
577 wlsc_compositor_schedule_repaint(es->compositor);
580 const static struct wl_surface_interface surface_interface = {
583 surface_map_toplevel,
584 surface_map_transient,
585 surface_map_fullscreen,
590 wlsc_input_device_attach(struct wlsc_input_device *device,
591 struct wl_buffer *buffer, int x, int y)
593 struct wlsc_compositor *ec =
594 (struct wlsc_compositor *) device->input_device.compositor;
596 buffer->attach(buffer, &device->sprite->surface);
597 device->hotspot_x = x;
598 device->hotspot_y = y;
600 device->sprite->x = device->input_device.x - device->hotspot_x;
601 device->sprite->y = device->input_device.y - device->hotspot_y;
602 device->sprite->width = buffer->width;
603 device->sprite->height = buffer->height;
604 wlsc_surface_update_matrix(device->sprite);
606 wlsc_compositor_schedule_repaint(ec);
611 wlsc_input_device_set_pointer_image(struct wlsc_input_device *device,
612 enum wlsc_pointer_type type)
614 struct wlsc_compositor *compositor =
615 (struct wlsc_compositor *) device->input_device.compositor;
617 wlsc_input_device_attach(device,
618 compositor->pointer_buffers[type],
619 pointer_images[type].hotspot_x,
620 pointer_images[type].hotspot_y);
624 compositor_create_surface(struct wl_client *client,
625 struct wl_compositor *compositor, uint32_t id)
627 struct wlsc_compositor *ec = (struct wlsc_compositor *) compositor;
628 struct wlsc_surface *surface;
630 surface = wlsc_surface_create(ec, 0, 0, 0, 0);
631 if (surface == NULL) {
632 wl_client_post_no_memory(client);
636 surface->surface.resource.destroy = destroy_surface;
638 surface->surface.resource.object.id = id;
639 surface->surface.resource.object.interface = &wl_surface_interface;
640 surface->surface.resource.object.implementation =
641 (void (**)(void)) &surface_interface;
642 surface->surface.client = client;
644 wl_client_add_resource(client, &surface->surface.resource);
647 const static struct wl_compositor_interface compositor_interface = {
648 compositor_create_surface,
652 wlsc_surface_transform(struct wlsc_surface *surface,
653 int32_t x, int32_t y, int32_t *sx, int32_t *sy)
655 struct wlsc_vector v = { { x, y, 0, 1 } };
657 wlsc_matrix_transform(&surface->matrix_inv, &v);
658 *sx = v.f[0] * surface->width;
659 *sy = v.f[1] * surface->height;
662 struct wlsc_surface *
663 pick_surface(struct wl_input_device *device, int32_t *sx, int32_t *sy)
665 struct wlsc_compositor *ec =
666 (struct wlsc_compositor *) device->compositor;
667 struct wlsc_surface *es;
669 wl_list_for_each(es, &ec->surface_list, link) {
670 wlsc_surface_transform(es, device->x, device->y, sx, sy);
671 if (0 <= *sx && *sx < es->width &&
672 0 <= *sy && *sy < es->height)
681 motion_grab_motion(struct wl_grab *grab,
682 uint32_t time, int32_t x, int32_t y)
684 struct wlsc_input_device *device =
685 (struct wlsc_input_device *) grab->input_device;
686 struct wlsc_surface *es =
687 (struct wlsc_surface *) device->input_device.pointer_focus;
690 wlsc_surface_transform(es, x, y, &sx, &sy);
691 wl_client_post_event(es->surface.client,
692 &device->input_device.object,
693 WL_INPUT_DEVICE_MOTION,
698 motion_grab_button(struct wl_grab *grab,
699 uint32_t time, int32_t button, int32_t state)
701 wl_client_post_event(grab->input_device->pointer_focus->client,
702 &grab->input_device->object,
703 WL_INPUT_DEVICE_BUTTON,
704 time, button, state);
708 motion_grab_end(struct wl_grab *grab, uint32_t time)
712 static const struct wl_grab_interface motion_grab_interface = {
719 notify_motion(struct wl_input_device *device, uint32_t time, int x, int y)
721 struct wlsc_surface *es;
722 struct wlsc_compositor *ec =
723 (struct wlsc_compositor *) device->compositor;
724 struct wlsc_output *output;
725 const struct wl_grab_interface *interface;
726 struct wlsc_input_device *wd = (struct wlsc_input_device *) device;
729 /* FIXME: We need some multi head love here. */
730 output = container_of(ec->output_list.next, struct wlsc_output, link);
735 if (x >= output->x + output->width)
736 x = output->x + output->width - 1;
737 if (y >= output->y + output->height)
738 y = output->y + output->height - 1;
744 interface = device->grab->interface;
745 interface->motion(device->grab, time, x, y);
747 es = pick_surface(device, &sx, &sy);
748 wl_input_device_set_pointer_focus(device,
752 wl_client_post_event(es->surface.client,
754 WL_INPUT_DEVICE_MOTION,
758 wd->sprite->x = device->x - wd->hotspot_x;
759 wd->sprite->y = device->y - wd->hotspot_y;
760 wlsc_surface_update_matrix(wd->sprite);
762 wlsc_compositor_schedule_repaint(ec);
766 notify_button(struct wl_input_device *device,
767 uint32_t time, int32_t button, int32_t state)
769 struct wlsc_input_device *wd = (struct wlsc_input_device *) device;
770 struct wlsc_surface *surface;
771 struct wlsc_compositor *compositor =
772 (struct wlsc_compositor *) device->compositor;
774 surface = (struct wlsc_surface *) device->pointer_focus;
776 if (state && surface && device->grab == NULL) {
777 wlsc_surface_raise(surface);
780 wlsc_selection_set_focus(wd->selection,
781 &surface->surface, time);
783 wl_input_device_start_grab(device,
784 &device->motion_grab,
786 wl_input_device_set_keyboard_focus(device,
791 if (state && surface && button == BTN_LEFT &&
792 (wd->modifier_state & MODIFIER_SUPER))
794 (struct wl_shell *) &compositor->shell,
795 &surface->surface, device, time);
796 else if (state && surface && button == BTN_MIDDLE &&
797 (wd->modifier_state & MODIFIER_SUPER))
799 (struct wl_shell *) &compositor->shell,
800 &surface->surface, device, time,
801 WL_SHELL_RESIZE_BOTTOM_RIGHT);
804 device->grab->interface->button(device->grab, time,
807 if (!state && device->grab && device->grab_button == button)
808 wl_input_device_end_grab(device, time);
812 notify_key(struct wl_input_device *device,
813 uint32_t time, uint32_t key, uint32_t state)
815 struct wlsc_input_device *wd = (struct wlsc_input_device *) device;
816 struct wlsc_compositor *compositor =
817 (struct wlsc_compositor *) device->compositor;
821 switch (key | wd->modifier_state) {
822 case KEY_BACKSPACE | MODIFIER_CTRL | MODIFIER_ALT:
823 wl_display_terminate(compositor->wl_display);
830 modifier = MODIFIER_CTRL;
835 modifier = MODIFIER_ALT;
840 modifier = MODIFIER_SUPER;
849 wd->modifier_state |= modifier;
851 wd->modifier_state &= ~modifier;
853 end = device->keys.data + device->keys.size;
854 for (k = device->keys.data; k < end; k++) {
858 device->keys.size = (void *) end - device->keys.data;
860 k = wl_array_add(&device->keys, sizeof *k);
864 if (device->keyboard_focus != NULL)
865 wl_client_post_event(device->keyboard_focus->client,
867 WL_INPUT_DEVICE_KEY, time, key, state);
871 notify_pointer_focus(struct wl_input_device *device,
872 uint32_t time, struct wlsc_output *output,
873 int32_t x, int32_t y)
875 struct wlsc_input_device *wd = (struct wlsc_input_device *) device;
876 struct wlsc_compositor *compositor =
877 (struct wlsc_compositor *) device->compositor;
878 struct wlsc_surface *es;
884 es = pick_surface(device, &sx, &sy);
885 wl_input_device_set_pointer_focus(device,
889 compositor->focus = 1;
891 wd->sprite->x = device->x - wd->hotspot_x;
892 wd->sprite->y = device->y - wd->hotspot_y;
893 wlsc_surface_update_matrix(wd->sprite);
895 wl_input_device_set_pointer_focus(device, NULL,
897 compositor->focus = 0;
900 wlsc_compositor_schedule_repaint(compositor);
904 notify_keyboard_focus(struct wl_input_device *device,
905 uint32_t time, struct wlsc_output *output,
906 struct wl_array *keys)
908 struct wlsc_input_device *wd =
909 (struct wlsc_input_device *) device;
910 struct wlsc_compositor *compositor =
911 (struct wlsc_compositor *) device->compositor;
912 struct wlsc_surface *es;
914 if (!wl_list_empty(&compositor->surface_list))
915 es = container_of(compositor->surface_list.next,
916 struct wlsc_surface, link);
921 wl_array_copy(&wd->input_device.keys, keys);
922 wl_input_device_set_keyboard_focus(&wd->input_device,
925 wl_input_device_set_keyboard_focus(&wd->input_device,
932 input_device_attach(struct wl_client *client,
933 struct wl_input_device *device_base,
935 struct wl_buffer *buffer, int32_t x, int32_t y)
937 struct wlsc_input_device *device =
938 (struct wlsc_input_device *) device_base;
940 if (time < device->input_device.pointer_focus_time)
942 if (device->input_device.pointer_focus == NULL)
944 if (device->input_device.pointer_focus->client != client)
947 if (buffer == NULL) {
948 wlsc_input_device_set_pointer_image(device,
949 WLSC_POINTER_LEFT_PTR);
953 wlsc_input_device_attach(device, buffer, x, y);
956 const static struct wl_input_device_interface input_device_interface = {
961 wlsc_input_device_init(struct wlsc_input_device *device,
962 struct wlsc_compositor *ec)
964 wl_input_device_init(&device->input_device, &ec->compositor);
966 device->input_device.object.interface = &wl_input_device_interface;
967 device->input_device.object.implementation =
968 (void (**)(void)) &input_device_interface;
969 wl_display_add_object(ec->wl_display, &device->input_device.object);
970 wl_display_add_global(ec->wl_display, &device->input_device.object, NULL);
972 device->sprite = wlsc_surface_create(ec,
973 device->input_device.x,
974 device->input_device.y, 32, 32);
975 device->hotspot_x = 16;
976 device->hotspot_y = 16;
978 device->input_device.motion_grab.interface = &motion_grab_interface;
980 wl_list_insert(ec->input_device_list.prev, &device->link);
982 wlsc_input_device_set_pointer_image(device, WLSC_POINTER_LEFT_PTR);
986 wlsc_output_post_geometry(struct wl_client *client, struct wl_object *global)
988 struct wlsc_output *output =
989 container_of(global, struct wlsc_output, object);
991 wl_client_post_event(client, global,
993 output->x, output->y,
994 output->width, output->height);
997 static const char vertex_shader[] =
998 "uniform mat4 proj;\n"
999 "attribute vec4 position;\n"
1000 "attribute vec2 texcoord;\n"
1001 "varying vec2 v_texcoord;\n"
1004 " gl_Position = proj * position;\n"
1005 " v_texcoord = texcoord;\n"
1008 static const char fragment_shader[] =
1009 "precision mediump float;\n"
1010 "varying vec2 v_texcoord;\n"
1011 "uniform sampler2D tex;\n"
1014 " gl_FragColor = texture2D(tex, v_texcoord)\n;"
1018 init_shaders(struct wlsc_compositor *ec)
1020 GLuint v, f, program;
1023 GLfloat vertices[4 * 5];
1027 v = glCreateShader(GL_VERTEX_SHADER);
1028 glShaderSource(v, 1, &p, NULL);
1030 glGetShaderiv(v, GL_COMPILE_STATUS, &status);
1032 glGetShaderInfoLog(v, sizeof msg, NULL, msg);
1033 fprintf(stderr, "vertex shader info: %s\n", msg);
1037 p = fragment_shader;
1038 f = glCreateShader(GL_FRAGMENT_SHADER);
1039 glShaderSource(f, 1, &p, NULL);
1041 glGetShaderiv(f, GL_COMPILE_STATUS, &status);
1043 glGetShaderInfoLog(f, sizeof msg, NULL, msg);
1044 fprintf(stderr, "fragment shader info: %s\n", msg);
1048 program = glCreateProgram();
1049 glAttachShader(program, v);
1050 glAttachShader(program, f);
1051 glBindAttribLocation(program, 0, "position");
1052 glBindAttribLocation(program, 1, "texcoord");
1054 glLinkProgram(program);
1055 glGetProgramiv(program, GL_LINK_STATUS, &status);
1057 glGetProgramInfoLog(program, sizeof msg, NULL, msg);
1058 fprintf(stderr, "link info: %s\n", msg);
1062 glUseProgram(program);
1063 ec->proj_uniform = glGetUniformLocation(program, "proj");
1064 ec->tex_uniform = glGetUniformLocation(program, "tex");
1090 glGenBuffers(1, &ec->vbo);
1091 glBindBuffer(GL_ARRAY_BUFFER, ec->vbo);
1092 glBufferData(GL_ARRAY_BUFFER, sizeof vertices, vertices, GL_STATIC_DRAW);
1098 wlsc_output_init(struct wlsc_output *output, struct wlsc_compositor *c,
1099 int x, int y, int width, int height)
1101 output->compositor = c;
1104 output->width = width;
1105 output->height = height;
1107 output->background =
1108 background_create(output, option_background);
1110 wlsc_matrix_init(&output->matrix);
1111 wlsc_matrix_translate(&output->matrix,
1112 -output->x - output->width / 2.0,
1113 -output->y - output->height / 2.0, 0);
1114 wlsc_matrix_scale(&output->matrix,
1115 2.0 / output->width, 2.0 / output->height, 1);
1117 output->object.interface = &wl_output_interface;
1118 wl_display_add_object(c->wl_display, &output->object);
1119 wl_display_add_global(c->wl_display, &output->object,
1120 wlsc_output_post_geometry);
1124 wlsc_compositor_init(struct wlsc_compositor *ec, struct wl_display *display)
1126 struct wl_event_loop *loop;
1127 const char *extensions;
1129 ec->wl_display = display;
1131 wl_compositor_init(&ec->compositor, &compositor_interface, display);
1135 wlsc_shell_init(ec);
1137 wl_list_init(&ec->surface_list);
1138 wl_list_init(&ec->input_device_list);
1139 wl_list_init(&ec->output_list);
1141 create_pointer_images(ec);
1143 screenshooter_create(ec);
1145 extensions = (const char *) glGetString(GL_EXTENSIONS);
1146 if (!strstr(extensions, "GL_EXT_texture_format_BGRA8888")) {
1148 "GL_EXT_texture_format_BGRA8888 not available\n");
1152 glGenFramebuffers(1, &ec->fbo);
1153 glBindFramebuffer(GL_FRAMEBUFFER, ec->fbo);
1154 glActiveTexture(GL_TEXTURE0);
1155 if (init_shaders(ec) < 0)
1158 loop = wl_display_get_event_loop(ec->wl_display);
1159 ec->timer_source = wl_event_loop_add_timer(loop, repaint, ec);
1160 wlsc_compositor_schedule_repaint(ec);
1165 static void on_term_signal(int signal_number, void *data)
1167 struct wlsc_compositor *ec = data;
1169 wl_display_terminate(ec->wl_display);
1172 int main(int argc, char *argv[])
1174 struct wl_display *display;
1175 struct wlsc_compositor *ec;
1176 struct wl_event_loop *loop;
1177 GError *error = NULL;
1178 GOptionContext *context;
1181 g_type_init(); /* GdkPixbuf needs this, it seems. */
1183 context = g_option_context_new(NULL);
1184 g_option_context_add_main_entries(context, option_entries, "Wayland");
1185 if (!g_option_context_parse(context, &argc, &argv, &error)) {
1186 fprintf(stderr, "option parsing failed: %s\n", error->message);
1189 if (sscanf(option_geometry, "%dx%d", &width, &height) != 2) {
1190 fprintf(stderr, "invalid geometry option: %s \n",
1195 display = wl_display_create();
1199 #if BUILD_WAYLAND_COMPOSITOR
1200 if (getenv("WAYLAND_DISPLAY"))
1201 ec = wayland_compositor_create(display, width, height);
1204 #if BUILD_X11_COMPOSITOR
1205 if (ec == NULL && getenv("DISPLAY"))
1206 ec = x11_compositor_create(display, width, height);
1209 #if BUILD_DRM_COMPOSITOR
1211 ec = drm_compositor_create(display, option_connector);
1215 fprintf(stderr, "failed to create compositor\n");
1219 if (wl_display_add_socket(display, option_socket_name)) {
1220 fprintf(stderr, "failed to add socket: %m\n");
1224 loop = wl_display_get_event_loop(ec->wl_display);
1225 wl_event_loop_add_signal(loop, SIGTERM, on_term_signal, ec);
1226 wl_event_loop_add_signal(loop, SIGINT, on_term_signal, ec);
1228 wl_display_run(display);
1230 wl_display_destroy(display);