compositor: handle YUV buffers.
[profile/ivi/weston.git] / src / compositor.h
1 /*
2  * Copyright © 2008-2011 Kristian Høgsberg
3  * Copyright © 2012 Collabora, Ltd.
4  *
5  * Permission to use, copy, modify, distribute, and sell this software and
6  * its documentation for any purpose is hereby granted without fee, provided
7  * that the above copyright notice appear in all copies and that both that
8  * copyright notice and this permission notice appear in supporting
9  * documentation, and that the name of the copyright holders not be used in
10  * advertising or publicity pertaining to distribution of the software
11  * without specific, written prior permission.  The copyright holders make
12  * no representations about the suitability of this software for any
13  * purpose.  It is provided "as is" without express or implied warranty.
14  *
15  * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
16  * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
17  * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
18  * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
19  * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
20  * CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
21  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
22  */
23
24 #ifndef _WAYLAND_SYSTEM_COMPOSITOR_H_
25 #define _WAYLAND_SYSTEM_COMPOSITOR_H_
26
27 #include <pixman.h>
28 #include <xkbcommon/xkbcommon.h>
29 #include <wayland-server.h>
30
31 #include <GLES2/gl2.h>
32 #include <GLES2/gl2ext.h>
33 #include <EGL/egl.h>
34 #include <EGL/eglext.h>
35
36 #include "matrix.h"
37 #include "../shared/config-parser.h"
38 #include "weston-egl-ext.h"
39
40
41 struct weston_transform {
42         struct weston_matrix matrix;
43         struct wl_list link;
44 };
45
46 struct weston_surface;
47 struct shell_surface;
48 struct weston_seat;
49 struct weston_output;
50
51 enum weston_keyboard_modifier {
52         MODIFIER_CTRL = (1 << 0),
53         MODIFIER_ALT = (1 << 1),
54         MODIFIER_SUPER = (1 << 2),
55         MODIFIER_SHIFT = (1 << 3),
56 };
57
58 enum weston_led {
59         LED_NUM_LOCK = (1 << 0),
60         LED_CAPS_LOCK = (1 << 1),
61         LED_SCROLL_LOCK = (1 << 2),
62 };
63
64 struct weston_mode {
65         uint32_t flags;
66         int32_t width, height;
67         uint32_t refresh;
68         struct wl_list link;
69 };
70
71 struct weston_shell_client {
72         void (*send_configure)(struct weston_surface *surface,
73                                uint32_t edges, int32_t width, int32_t height);
74 };
75
76 struct weston_shell_interface {
77         void *shell;                    /* either desktop or tablet */
78
79         struct shell_surface *(*create_shell_surface)(void *shell,
80                                                       struct weston_surface *surface,
81                                                       const struct weston_shell_client *client);
82
83         void (*set_toplevel)(struct shell_surface *shsurf);
84
85         void (*set_transient)(struct shell_surface *shsurf,
86                               struct weston_surface *parent,
87                               int x, int y, uint32_t flags);
88         int (*move)(struct shell_surface *shsurf, struct weston_seat *ws);
89         int (*resize)(struct shell_surface *shsurf,
90                       struct weston_seat *ws, uint32_t edges);
91
92 };
93
94 struct weston_border {
95         int32_t left, right, top, bottom;
96 };
97
98 struct weston_animation {
99         void (*frame)(struct weston_animation *animation,
100                       struct weston_output *output, uint32_t msecs);
101         int frame_counter;
102         struct wl_list link;
103 };
104
105 struct weston_spring {
106         double k;
107         double friction;
108         double current;
109         double target;
110         double previous;
111         uint32_t timestamp;
112 };
113
114 enum {
115         ZOOM_FOCUS_POINTER,
116         ZOOM_FOCUS_TEXT
117 };
118
119 struct weston_fixed_point {
120         wl_fixed_t x, y;
121 };
122
123 struct weston_output_zoom {
124         int active;
125         uint32_t type;
126         float increment;
127         float level;
128         float max_level;
129         float trans_x, trans_y;
130         struct weston_animation animation_z;
131         struct weston_spring spring_z;
132         struct weston_animation animation_xy;
133         struct weston_spring spring_xy;
134         struct weston_fixed_point from;
135         struct weston_fixed_point to;
136         struct weston_fixed_point current;
137         struct weston_fixed_point text_cursor;
138 };
139
140 /* bit compatible with drm definitions. */
141 enum dpms_enum {
142         WESTON_DPMS_ON,
143         WESTON_DPMS_STANDBY,
144         WESTON_DPMS_SUSPEND,
145         WESTON_DPMS_OFF
146 };
147
148 struct weston_output {
149         uint32_t id;
150
151         struct wl_list link;
152         struct wl_list resource_list;
153         struct wl_global *global;
154         struct weston_compositor *compositor;
155         struct weston_matrix matrix;
156         struct wl_list animation_list;
157         int32_t x, y, mm_width, mm_height;
158         struct weston_border border;
159         pixman_region32_t region;
160         pixman_region32_t previous_damage;
161         uint32_t flags;
162         int repaint_needed;
163         int repaint_scheduled;
164         struct weston_output_zoom zoom;
165         int dirty;
166         struct wl_signal frame_signal;
167         uint32_t frame_time;
168
169         char *make, *model;
170         uint32_t subpixel;
171         
172         struct weston_mode *current;
173         struct weston_mode *origin;
174         struct wl_list mode_list;
175
176         void (*repaint)(struct weston_output *output,
177                         pixman_region32_t *damage);
178         void (*destroy)(struct weston_output *output);
179         void (*assign_planes)(struct weston_output *output);
180         int (*switch_mode)(struct weston_output *output, struct weston_mode *mode);
181
182         /* backlight values are on 0-255 range, where higher is brighter */
183         uint32_t backlight_current;
184         void (*set_backlight)(struct weston_output *output, uint32_t value);
185         void (*set_dpms)(struct weston_output *output, enum dpms_enum level);
186 };
187
188 struct weston_xkb_info {
189         struct xkb_keymap *keymap;
190         int keymap_fd;
191         size_t keymap_size;
192         char *keymap_area;
193         xkb_mod_index_t shift_mod;
194         xkb_mod_index_t caps_mod;
195         xkb_mod_index_t ctrl_mod;
196         xkb_mod_index_t alt_mod;
197         xkb_mod_index_t mod2_mod;
198         xkb_mod_index_t mod3_mod;
199         xkb_mod_index_t super_mod;
200         xkb_mod_index_t mod5_mod;
201         xkb_led_index_t num_led;
202         xkb_led_index_t caps_led;
203         xkb_led_index_t scroll_led;
204 };
205
206 struct weston_seat {
207         struct wl_seat seat;
208         struct wl_pointer pointer;
209         int has_pointer;
210         struct wl_keyboard keyboard;
211         int has_keyboard;
212         struct wl_touch touch;
213         int has_touch;
214
215         struct weston_compositor *compositor;
216         struct weston_surface *sprite;
217         struct wl_listener sprite_destroy_listener;
218         struct weston_surface *drag_surface;
219         struct wl_listener drag_surface_destroy_listener;
220         int32_t hotspot_x, hotspot_y;
221         struct wl_list link;
222         enum weston_keyboard_modifier modifier_state;
223         struct wl_surface *saved_kbd_focus;
224         struct wl_listener saved_kbd_focus_listener;
225
226         uint32_t num_tp;
227         struct wl_surface *touch_focus;
228         struct wl_listener touch_focus_listener;
229         struct wl_resource *touch_focus_resource;
230         struct wl_listener touch_focus_resource_listener;
231
232         struct wl_listener new_drag_icon_listener;
233
234         void (*led_update)(struct weston_seat *ws, enum weston_led leds);
235
236         struct weston_xkb_info xkb_info;
237         struct {
238                 struct xkb_state *state;
239                 enum weston_led leds;
240         } xkb_state;
241 };
242
243 struct weston_shader {
244         GLuint program;
245         GLuint vertex_shader, fragment_shader;
246         GLint proj_uniform;
247         GLint tex_uniforms[3];
248         GLint alpha_uniform;
249         GLint color_uniform;
250         GLint texwidth_uniform;
251         GLint opaque_uniform;
252 };
253
254 enum {
255         WESTON_COMPOSITOR_ACTIVE,
256         WESTON_COMPOSITOR_IDLE,         /* shell->unlock called on activity */
257         WESTON_COMPOSITOR_SLEEPING      /* no rendering, no frame events */
258 };
259
260 struct weston_layer {
261         struct wl_list surface_list;
262         struct wl_list link;
263 };
264
265 struct weston_compositor {
266         struct wl_shm *shm;
267         struct wl_signal destroy_signal;
268
269         EGLDisplay egl_display;
270         EGLContext egl_context;
271         EGLConfig egl_config;
272         GLuint fbo;
273         struct weston_shader texture_shader_rgba;
274         struct weston_shader texture_shader_y_uv;
275         struct weston_shader texture_shader_y_u_v;
276         struct weston_shader texture_shader_y_xuxv;
277         struct weston_shader solid_shader;
278         struct weston_shader *current_shader;
279         struct wl_display *wl_display;
280         struct weston_shell_interface shell_interface;
281
282         struct wl_signal activate_signal;
283         struct wl_signal lock_signal;
284         struct wl_signal unlock_signal;
285
286         struct wl_signal show_input_panel_signal;
287         struct wl_signal hide_input_panel_signal;
288
289         struct wl_event_loop *input_loop;
290         struct wl_event_source *input_loop_source;
291
292         /* There can be more than one, but not right now... */
293         struct weston_seat *seat;
294
295         struct weston_layer fade_layer;
296         struct weston_layer cursor_layer;
297
298         struct wl_list output_list;
299         struct wl_list seat_list;
300         struct wl_list layer_list;
301         struct wl_list surface_list;
302         struct wl_list key_binding_list;
303         struct wl_list button_binding_list;
304         struct wl_list axis_binding_list;
305         struct {
306                 struct weston_spring spring;
307                 struct weston_animation animation;
308                 struct weston_surface *surface;
309         } fade;
310
311         uint32_t state;
312         struct wl_event_source *idle_source;
313         uint32_t idle_inhibit;
314         int option_idle_time;           /* default timeout, s */
315         int idle_time;                  /* effective timeout, s */
316
317         /* Repaint state. */
318         struct wl_array vertices, indices;
319         pixman_region32_t damage;
320
321         uint32_t focus;
322
323         PFNGLEGLIMAGETARGETRENDERBUFFERSTORAGEOESPROC
324                 image_target_renderbuffer_storage;
325         PFNGLEGLIMAGETARGETTEXTURE2DOESPROC image_target_texture_2d;
326         PFNEGLCREATEIMAGEKHRPROC create_image;
327         PFNEGLDESTROYIMAGEKHRPROC destroy_image;
328
329         int has_unpack_subimage;
330         GLenum read_format;
331
332         PFNEGLBINDWAYLANDDISPLAYWL bind_display;
333         PFNEGLUNBINDWAYLANDDISPLAYWL unbind_display;
334         PFNEGLQUERYWAYLANDBUFFERWL query_buffer;
335         int has_bind_display;
336
337         void (*destroy)(struct weston_compositor *ec);
338         int (*authenticate)(struct weston_compositor *c, uint32_t id);
339
340         void (*ping_handler)(struct weston_surface *surface, uint32_t serial);
341
342         int launcher_sock;
343
344         uint32_t output_id_pool;
345
346         struct xkb_rule_names xkb_names;
347         struct xkb_context *xkb_context;
348         struct weston_xkb_info xkb_info;
349 };
350
351 enum weston_output_flags {
352         WL_OUTPUT_FLIPPED = 0x01
353 };
354
355 struct weston_region {
356         struct wl_resource resource;
357         pixman_region32_t region;
358 };
359
360 /* Using weston_surface transformations
361  *
362  * To add a transformation to a surface, create a struct weston_transform, and
363  * add it to the list surface->geometry.transformation_list. Whenever you
364  * change the list, anything under surface->geometry, or anything in the
365  * weston_transforms linked into the list, you must set
366  * surface->geometry.dirty = 1.
367  *
368  * The order in the list defines the order of transformations. Let the list
369  * contain the transformation matrices M1, ..., Mn as head to tail. The
370  * transformation is applied to surface-local coordinate vector p as
371  *    P = Mn * ... * M2 * M1 * p
372  * to produce the global coordinate vector P. The total transform
373  *    Mn * ... * M2 * M1
374  * is cached in surface->transform.matrix, and the inverse of it in
375  * surface->transform.inverse.
376  *
377  * The list always contains surface->transform.position transformation, which
378  * is the translation by surface->geometry.x and y.
379  *
380  * If you want to apply a transformation in local coordinates, add your
381  * weston_transform to the head of the list. If you want to apply a
382  * transformation in global coordinates, add it to the tail of the list.
383  */
384
385 enum {
386         WESTON_PLANE_PRIMARY
387 };
388
389 struct weston_surface {
390         struct wl_surface surface;
391         struct weston_compositor *compositor;
392         GLuint textures[3];
393         int num_textures;
394         pixman_region32_t clip;
395         pixman_region32_t damage;
396         pixman_region32_t opaque;
397         pixman_region32_t input;
398         int32_t pitch;
399         struct wl_list link;
400         struct wl_list layer_link;
401         struct weston_shader *shader;
402         GLfloat color[4];
403         GLfloat opaque_rect[4];
404         GLfloat alpha;
405         int blend;
406         int plane;
407
408         /* Surface geometry state, mutable.
409          * If you change anything, set dirty = 1.
410          * That includes the transformations referenced from the list.
411          */
412         struct {
413                 GLfloat x, y; /* surface translation on display */
414                 int32_t width, height;
415
416                 /* struct weston_transform */
417                 struct wl_list transformation_list;
418
419                 int dirty;
420         } geometry;
421
422         /* State derived from geometry state, read-only.
423          * This is updated by weston_surface_update_transform().
424          */
425         struct {
426                 pixman_region32_t boundingbox;
427                 pixman_region32_t opaque;
428
429                 /* matrix and inverse are used only if enabled = 1.
430                  * If enabled = 0, use x, y, width, height directly.
431                  */
432                 int enabled;
433                 struct weston_matrix matrix;
434                 struct weston_matrix inverse;
435
436                 struct weston_transform position; /* matrix from x, y */
437         } transform;
438
439         /*
440          * Which output to vsync this surface to.
441          * Used to determine, whether to send or queue frame events.
442          * Must be NULL, if 'link' is not in weston_compositor::surface_list.
443          */
444         struct weston_output *output;
445
446         /*
447          * A more complete representation of all outputs this surface is
448          * displayed on.
449          */
450         uint32_t output_mask;
451
452         struct wl_list frame_callback_list;
453
454         EGLImageKHR images[3];
455         int num_images;
456
457         struct wl_buffer *buffer;
458         struct wl_listener buffer_destroy_listener;
459
460         /*
461          * If non-NULL, this function will be called on surface::attach after
462          * a new buffer has been set up for this surface. The integer params
463          * are the sx and sy paramerters supplied to surface::attach .
464          */
465         void (*configure)(struct weston_surface *es, int32_t sx, int32_t sy);
466         void *private;
467 };
468
469 enum weston_key_state_update {
470         STATE_UPDATE_AUTOMATIC,
471         STATE_UPDATE_NONE,
472 };
473
474 void
475 weston_surface_update_transform(struct weston_surface *surface);
476
477 void
478 weston_surface_to_global_fixed(struct weston_surface *surface,
479                                wl_fixed_t sx, wl_fixed_t sy,
480                                wl_fixed_t *x, wl_fixed_t *y);
481 void
482 weston_surface_to_global_float(struct weston_surface *surface,
483                                GLfloat sx, GLfloat sy, GLfloat *x, GLfloat *y);
484
485 void
486 weston_surface_from_global(struct weston_surface *surface,
487                            int32_t x, int32_t y, int32_t *sx, int32_t *sy);
488 void
489 weston_surface_from_global_fixed(struct weston_surface *surface,
490                                  wl_fixed_t x, wl_fixed_t y,
491                                  wl_fixed_t *sx, wl_fixed_t *sy);
492
493 void
494 weston_spring_init(struct weston_spring *spring,
495                    double k, double current, double target);
496 void
497 weston_spring_update(struct weston_spring *spring, uint32_t msec);
498 int
499 weston_spring_done(struct weston_spring *spring);
500
501 void
502 weston_surface_activate(struct weston_surface *surface,
503                         struct weston_seat *seat);
504 void
505 weston_surface_draw(struct weston_surface *es,
506                     struct weston_output *output, pixman_region32_t *damage);
507
508 void
509 notify_motion(struct wl_seat *seat, uint32_t time,
510               wl_fixed_t x, wl_fixed_t y);
511 void
512 notify_button(struct wl_seat *seat, uint32_t time, int32_t button,
513               enum wl_pointer_button_state state);
514 void
515 notify_axis(struct wl_seat *seat, uint32_t time, uint32_t axis,
516             wl_fixed_t value);
517 void
518 notify_key(struct wl_seat *seat, uint32_t time, uint32_t key,
519            enum wl_keyboard_key_state state,
520            enum weston_key_state_update update_state);
521 void
522 notify_modifiers(struct wl_seat *seat, uint32_t serial);
523
524 void
525 notify_pointer_focus(struct wl_seat *seat, struct weston_output *output,
526                      wl_fixed_t x, wl_fixed_t y);
527
528 void
529 notify_keyboard_focus_in(struct wl_seat *seat, struct wl_array *keys,
530                          enum weston_key_state_update update_state);
531 void
532 notify_keyboard_focus_out(struct wl_seat *seat);
533
534 void
535 notify_touch(struct wl_seat *seat, uint32_t time, int touch_id,
536              wl_fixed_t x, wl_fixed_t y, int touch_type);
537
538 void
539 weston_layer_init(struct weston_layer *layer, struct wl_list *below);
540
541 void
542 weston_output_finish_frame(struct weston_output *output, int msecs);
543 void
544 weston_output_schedule_repaint(struct weston_output *output);
545 void
546 weston_output_damage(struct weston_output *output);
547 void
548 weston_compositor_schedule_repaint(struct weston_compositor *compositor);
549 void
550 weston_compositor_fade(struct weston_compositor *compositor, float tint);
551 void
552 weston_compositor_damage_all(struct weston_compositor *compositor);
553 void
554 weston_compositor_unlock(struct weston_compositor *compositor);
555 void
556 weston_compositor_wake(struct weston_compositor *compositor);
557 void
558 weston_compositor_activity(struct weston_compositor *compositor);
559 void
560 weston_compositor_update_drag_surfaces(struct weston_compositor *compositor);
561
562
563 struct weston_binding;
564 typedef void (*weston_key_binding_handler_t)(struct wl_seat *seat,
565                                              uint32_t time, uint32_t key,
566                                              void *data);
567 struct weston_binding *
568 weston_compositor_add_key_binding(struct weston_compositor *compositor,
569                                   uint32_t key,
570                                   enum weston_keyboard_modifier modifier,
571                                   weston_key_binding_handler_t binding,
572                                   void *data);
573
574 typedef void (*weston_button_binding_handler_t)(struct wl_seat *seat,
575                                                 uint32_t time, uint32_t button,
576                                                 void *data);
577 struct weston_binding *
578 weston_compositor_add_button_binding(struct weston_compositor *compositor,
579                                      uint32_t button,
580                                      enum weston_keyboard_modifier modifier,
581                                      weston_button_binding_handler_t binding,
582                                      void *data);
583
584 typedef void (*weston_axis_binding_handler_t)(struct wl_seat *seat,
585                                               uint32_t time, uint32_t axis,
586                                               wl_fixed_t value, void *data);
587 struct weston_binding *
588 weston_compositor_add_axis_binding(struct weston_compositor *compositor,
589                                    uint32_t axis,
590                                    enum weston_keyboard_modifier modifier,
591                                    weston_axis_binding_handler_t binding,
592                                    void *data);
593 void
594 weston_binding_destroy(struct weston_binding *binding);
595
596 void
597 weston_binding_list_destroy_all(struct wl_list *list);
598
599 void
600 weston_compositor_run_key_binding(struct weston_compositor *compositor,
601                                   struct weston_seat *seat, uint32_t time,
602                                   uint32_t key,
603                                   enum wl_keyboard_key_state state);
604 void
605 weston_compositor_run_button_binding(struct weston_compositor *compositor,
606                                      struct weston_seat *seat, uint32_t time,
607                                      uint32_t button,
608                                      enum wl_pointer_button_state value);
609 void
610 weston_compositor_run_axis_binding(struct weston_compositor *compositor,
611                                    struct weston_seat *seat, uint32_t time,
612                                    uint32_t axis, int32_t value);
613
614 int
615 weston_environment_get_fd(const char *env);
616
617 struct wl_list *
618 weston_compositor_top(struct weston_compositor *compositor);
619
620 struct weston_surface *
621 weston_surface_create(struct weston_compositor *compositor);
622
623 void
624 weston_surface_configure(struct weston_surface *surface,
625                          GLfloat x, GLfloat y, int width, int height);
626
627 void
628 weston_surface_restack(struct weston_surface *surface, struct wl_list *below);
629
630 void
631 weston_surface_set_position(struct weston_surface *surface,
632                             GLfloat x, GLfloat y);
633
634 int
635 weston_surface_is_mapped(struct weston_surface *surface);
636
637 void
638 weston_surface_assign_output(struct weston_surface *surface);
639
640 void
641 weston_surface_damage(struct weston_surface *surface);
642
643 void
644 weston_surface_damage_below(struct weston_surface *surface);
645
646 void
647 weston_surface_unmap(struct weston_surface *surface);
648
649 void
650 weston_buffer_post_release(struct wl_buffer *buffer);
651
652 uint32_t
653 weston_compositor_get_time(void);
654
655 int
656 weston_compositor_init(struct weston_compositor *ec, struct wl_display *display,
657                        int argc, char *argv[], const char *config_file);
658 int
659 weston_compositor_init_gl(struct weston_compositor *ec);
660 void
661 weston_compositor_shutdown(struct weston_compositor *ec);
662 void
663 weston_text_cursor_position_notify(struct weston_surface *surface,
664                                                 wl_fixed_t x, wl_fixed_t y);
665 void
666 weston_output_init_zoom(struct weston_output *output);
667 void
668 weston_output_update_zoom(struct weston_output *output, uint32_t type);
669 void
670 weston_output_update_matrix(struct weston_output *output);
671 void
672 weston_output_move(struct weston_output *output, int x, int y);
673 void
674 weston_output_init(struct weston_output *output, struct weston_compositor *c,
675                    int x, int y, int width, int height, uint32_t flags);
676 void
677 weston_output_destroy(struct weston_output *output);
678
679 void
680 weston_seat_init(struct weston_seat *seat, struct weston_compositor *ec);
681 void
682 weston_seat_init_pointer(struct weston_seat *seat);
683 void
684 weston_seat_init_keyboard(struct weston_seat *seat, struct xkb_keymap *keymap);
685 void
686 weston_seat_init_touch(struct weston_seat *seat);
687
688 void
689 weston_seat_release(struct weston_seat *seat);
690
691 enum {
692         TTY_ENTER_VT,
693         TTY_LEAVE_VT
694 };
695
696 typedef void (*tty_vt_func_t)(struct weston_compositor *compositor, int event);
697
698 struct tty *
699 tty_create(struct weston_compositor *compositor,
700            tty_vt_func_t vt_func, int tty_nr);
701
702 void
703 tty_destroy(struct tty *tty);
704
705 int
706 tty_activate_vt(struct tty *tty, int vt);
707
708 void
709 screenshooter_create(struct weston_compositor *ec);
710
711 struct clipboard *
712 clipboard_create(struct weston_seat *seat);
713
714 void
715 text_cursor_position_notifier_create(struct weston_compositor *ec);
716
717 void
718 input_method_create(struct weston_compositor *ec);
719
720 struct weston_process;
721 typedef void (*weston_process_cleanup_func_t)(struct weston_process *process,
722                                             int status);
723
724 struct weston_process {
725         pid_t pid;
726         weston_process_cleanup_func_t cleanup;
727         struct wl_list link;
728 };
729
730 struct wl_client *
731 weston_client_launch(struct weston_compositor *compositor,
732                      struct weston_process *proc,
733                      const char *path,
734                      weston_process_cleanup_func_t cleanup);
735
736 void
737 weston_watch_process(struct weston_process *process);
738
739 int
740 weston_xserver_init(struct weston_compositor *compositor);
741
742 struct weston_surface_animation;
743 typedef void (*weston_surface_animation_done_func_t)(struct weston_surface_animation *animation, void *data);
744
745 struct weston_surface_animation *
746 weston_zoom_run(struct weston_surface *surface, GLfloat start, GLfloat stop,
747                 weston_surface_animation_done_func_t done, void *data);
748
749 struct weston_surface_animation *
750 weston_fade_run(struct weston_surface *surface,
751                 weston_surface_animation_done_func_t done, void *data);
752 struct weston_surface_animation *
753 weston_slide_run(struct weston_surface *surface, GLfloat start, GLfloat stop,
754                  weston_surface_animation_done_func_t done, void *data);
755
756 void
757 weston_surface_set_color(struct weston_surface *surface,
758                          GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha);
759
760 void
761 weston_surface_destroy(struct weston_surface *surface);
762
763 struct weston_compositor *
764 backend_init(struct wl_display *display, int argc, char *argv[],
765              const char *config_file);
766
767 int
768 weston_output_switch_mode(struct weston_output *output, struct weston_mode *mode);
769
770 #endif