compositor: add YUV shaders.
[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_uniform;
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         int has_bind_display;
335
336         void (*destroy)(struct weston_compositor *ec);
337         int (*authenticate)(struct weston_compositor *c, uint32_t id);
338
339         void (*ping_handler)(struct weston_surface *surface, uint32_t serial);
340
341         int launcher_sock;
342
343         uint32_t output_id_pool;
344
345         struct xkb_rule_names xkb_names;
346         struct xkb_context *xkb_context;
347         struct weston_xkb_info xkb_info;
348 };
349
350 enum weston_output_flags {
351         WL_OUTPUT_FLIPPED = 0x01
352 };
353
354 struct weston_region {
355         struct wl_resource resource;
356         pixman_region32_t region;
357 };
358
359 /* Using weston_surface transformations
360  *
361  * To add a transformation to a surface, create a struct weston_transform, and
362  * add it to the list surface->geometry.transformation_list. Whenever you
363  * change the list, anything under surface->geometry, or anything in the
364  * weston_transforms linked into the list, you must set
365  * surface->geometry.dirty = 1.
366  *
367  * The order in the list defines the order of transformations. Let the list
368  * contain the transformation matrices M1, ..., Mn as head to tail. The
369  * transformation is applied to surface-local coordinate vector p as
370  *    P = Mn * ... * M2 * M1 * p
371  * to produce the global coordinate vector P. The total transform
372  *    Mn * ... * M2 * M1
373  * is cached in surface->transform.matrix, and the inverse of it in
374  * surface->transform.inverse.
375  *
376  * The list always contains surface->transform.position transformation, which
377  * is the translation by surface->geometry.x and y.
378  *
379  * If you want to apply a transformation in local coordinates, add your
380  * weston_transform to the head of the list. If you want to apply a
381  * transformation in global coordinates, add it to the tail of the list.
382  */
383
384 enum {
385         WESTON_PLANE_PRIMARY
386 };
387
388 struct weston_surface {
389         struct wl_surface surface;
390         struct weston_compositor *compositor;
391         GLuint textures[3];
392         int num_textures;
393         pixman_region32_t clip;
394         pixman_region32_t damage;
395         pixman_region32_t opaque;
396         pixman_region32_t input;
397         int32_t pitch;
398         struct wl_list link;
399         struct wl_list layer_link;
400         struct weston_shader *shader;
401         GLfloat color[4];
402         GLfloat opaque_rect[4];
403         GLfloat alpha;
404         int blend;
405         int plane;
406
407         /* Surface geometry state, mutable.
408          * If you change anything, set dirty = 1.
409          * That includes the transformations referenced from the list.
410          */
411         struct {
412                 GLfloat x, y; /* surface translation on display */
413                 int32_t width, height;
414
415                 /* struct weston_transform */
416                 struct wl_list transformation_list;
417
418                 int dirty;
419         } geometry;
420
421         /* State derived from geometry state, read-only.
422          * This is updated by weston_surface_update_transform().
423          */
424         struct {
425                 pixman_region32_t boundingbox;
426                 pixman_region32_t opaque;
427
428                 /* matrix and inverse are used only if enabled = 1.
429                  * If enabled = 0, use x, y, width, height directly.
430                  */
431                 int enabled;
432                 struct weston_matrix matrix;
433                 struct weston_matrix inverse;
434
435                 struct weston_transform position; /* matrix from x, y */
436         } transform;
437
438         /*
439          * Which output to vsync this surface to.
440          * Used to determine, whether to send or queue frame events.
441          * Must be NULL, if 'link' is not in weston_compositor::surface_list.
442          */
443         struct weston_output *output;
444
445         /*
446          * A more complete representation of all outputs this surface is
447          * displayed on.
448          */
449         uint32_t output_mask;
450
451         struct wl_list frame_callback_list;
452
453         EGLImageKHR images[3];
454         int num_images;
455
456         struct wl_buffer *buffer;
457         struct wl_listener buffer_destroy_listener;
458
459         /*
460          * If non-NULL, this function will be called on surface::attach after
461          * a new buffer has been set up for this surface. The integer params
462          * are the sx and sy paramerters supplied to surface::attach .
463          */
464         void (*configure)(struct weston_surface *es, int32_t sx, int32_t sy);
465         void *private;
466 };
467
468 enum weston_key_state_update {
469         STATE_UPDATE_AUTOMATIC,
470         STATE_UPDATE_NONE,
471 };
472
473 void
474 weston_surface_update_transform(struct weston_surface *surface);
475
476 void
477 weston_surface_to_global_fixed(struct weston_surface *surface,
478                                wl_fixed_t sx, wl_fixed_t sy,
479                                wl_fixed_t *x, wl_fixed_t *y);
480 void
481 weston_surface_to_global_float(struct weston_surface *surface,
482                                GLfloat sx, GLfloat sy, GLfloat *x, GLfloat *y);
483
484 void
485 weston_surface_from_global(struct weston_surface *surface,
486                            int32_t x, int32_t y, int32_t *sx, int32_t *sy);
487 void
488 weston_surface_from_global_fixed(struct weston_surface *surface,
489                                  wl_fixed_t x, wl_fixed_t y,
490                                  wl_fixed_t *sx, wl_fixed_t *sy);
491
492 void
493 weston_spring_init(struct weston_spring *spring,
494                    double k, double current, double target);
495 void
496 weston_spring_update(struct weston_spring *spring, uint32_t msec);
497 int
498 weston_spring_done(struct weston_spring *spring);
499
500 void
501 weston_surface_activate(struct weston_surface *surface,
502                         struct weston_seat *seat);
503 void
504 weston_surface_draw(struct weston_surface *es,
505                     struct weston_output *output, pixman_region32_t *damage);
506
507 void
508 notify_motion(struct wl_seat *seat, uint32_t time,
509               wl_fixed_t x, wl_fixed_t y);
510 void
511 notify_button(struct wl_seat *seat, uint32_t time, int32_t button,
512               enum wl_pointer_button_state state);
513 void
514 notify_axis(struct wl_seat *seat, uint32_t time, uint32_t axis,
515             wl_fixed_t value);
516 void
517 notify_key(struct wl_seat *seat, uint32_t time, uint32_t key,
518            enum wl_keyboard_key_state state,
519            enum weston_key_state_update update_state);
520 void
521 notify_modifiers(struct wl_seat *seat, uint32_t serial);
522
523 void
524 notify_pointer_focus(struct wl_seat *seat, struct weston_output *output,
525                      wl_fixed_t x, wl_fixed_t y);
526
527 void
528 notify_keyboard_focus_in(struct wl_seat *seat, struct wl_array *keys,
529                          enum weston_key_state_update update_state);
530 void
531 notify_keyboard_focus_out(struct wl_seat *seat);
532
533 void
534 notify_touch(struct wl_seat *seat, uint32_t time, int touch_id,
535              wl_fixed_t x, wl_fixed_t y, int touch_type);
536
537 void
538 weston_layer_init(struct weston_layer *layer, struct wl_list *below);
539
540 void
541 weston_output_finish_frame(struct weston_output *output, int msecs);
542 void
543 weston_output_schedule_repaint(struct weston_output *output);
544 void
545 weston_output_damage(struct weston_output *output);
546 void
547 weston_compositor_schedule_repaint(struct weston_compositor *compositor);
548 void
549 weston_compositor_fade(struct weston_compositor *compositor, float tint);
550 void
551 weston_compositor_damage_all(struct weston_compositor *compositor);
552 void
553 weston_compositor_unlock(struct weston_compositor *compositor);
554 void
555 weston_compositor_wake(struct weston_compositor *compositor);
556 void
557 weston_compositor_activity(struct weston_compositor *compositor);
558 void
559 weston_compositor_update_drag_surfaces(struct weston_compositor *compositor);
560
561
562 struct weston_binding;
563 typedef void (*weston_key_binding_handler_t)(struct wl_seat *seat,
564                                              uint32_t time, uint32_t key,
565                                              void *data);
566 struct weston_binding *
567 weston_compositor_add_key_binding(struct weston_compositor *compositor,
568                                   uint32_t key,
569                                   enum weston_keyboard_modifier modifier,
570                                   weston_key_binding_handler_t binding,
571                                   void *data);
572
573 typedef void (*weston_button_binding_handler_t)(struct wl_seat *seat,
574                                                 uint32_t time, uint32_t button,
575                                                 void *data);
576 struct weston_binding *
577 weston_compositor_add_button_binding(struct weston_compositor *compositor,
578                                      uint32_t button,
579                                      enum weston_keyboard_modifier modifier,
580                                      weston_button_binding_handler_t binding,
581                                      void *data);
582
583 typedef void (*weston_axis_binding_handler_t)(struct wl_seat *seat,
584                                               uint32_t time, uint32_t axis,
585                                               wl_fixed_t value, void *data);
586 struct weston_binding *
587 weston_compositor_add_axis_binding(struct weston_compositor *compositor,
588                                    uint32_t axis,
589                                    enum weston_keyboard_modifier modifier,
590                                    weston_axis_binding_handler_t binding,
591                                    void *data);
592 void
593 weston_binding_destroy(struct weston_binding *binding);
594
595 void
596 weston_binding_list_destroy_all(struct wl_list *list);
597
598 void
599 weston_compositor_run_key_binding(struct weston_compositor *compositor,
600                                   struct weston_seat *seat, uint32_t time,
601                                   uint32_t key,
602                                   enum wl_keyboard_key_state state);
603 void
604 weston_compositor_run_button_binding(struct weston_compositor *compositor,
605                                      struct weston_seat *seat, uint32_t time,
606                                      uint32_t button,
607                                      enum wl_pointer_button_state value);
608 void
609 weston_compositor_run_axis_binding(struct weston_compositor *compositor,
610                                    struct weston_seat *seat, uint32_t time,
611                                    uint32_t axis, int32_t value);
612
613 int
614 weston_environment_get_fd(const char *env);
615
616 struct wl_list *
617 weston_compositor_top(struct weston_compositor *compositor);
618
619 struct weston_surface *
620 weston_surface_create(struct weston_compositor *compositor);
621
622 void
623 weston_surface_configure(struct weston_surface *surface,
624                          GLfloat x, GLfloat y, int width, int height);
625
626 void
627 weston_surface_restack(struct weston_surface *surface, struct wl_list *below);
628
629 void
630 weston_surface_set_position(struct weston_surface *surface,
631                             GLfloat x, GLfloat y);
632
633 int
634 weston_surface_is_mapped(struct weston_surface *surface);
635
636 void
637 weston_surface_assign_output(struct weston_surface *surface);
638
639 void
640 weston_surface_damage(struct weston_surface *surface);
641
642 void
643 weston_surface_damage_below(struct weston_surface *surface);
644
645 void
646 weston_surface_unmap(struct weston_surface *surface);
647
648 void
649 weston_buffer_post_release(struct wl_buffer *buffer);
650
651 uint32_t
652 weston_compositor_get_time(void);
653
654 int
655 weston_compositor_init(struct weston_compositor *ec, struct wl_display *display,
656                        int argc, char *argv[], const char *config_file);
657 int
658 weston_compositor_init_gl(struct weston_compositor *ec);
659 void
660 weston_compositor_shutdown(struct weston_compositor *ec);
661 void
662 weston_text_cursor_position_notify(struct weston_surface *surface,
663                                                 wl_fixed_t x, wl_fixed_t y);
664 void
665 weston_output_init_zoom(struct weston_output *output);
666 void
667 weston_output_update_zoom(struct weston_output *output, uint32_t type);
668 void
669 weston_output_update_matrix(struct weston_output *output);
670 void
671 weston_output_move(struct weston_output *output, int x, int y);
672 void
673 weston_output_init(struct weston_output *output, struct weston_compositor *c,
674                    int x, int y, int width, int height, uint32_t flags);
675 void
676 weston_output_destroy(struct weston_output *output);
677
678 void
679 weston_seat_init(struct weston_seat *seat, struct weston_compositor *ec);
680 void
681 weston_seat_init_pointer(struct weston_seat *seat);
682 void
683 weston_seat_init_keyboard(struct weston_seat *seat, struct xkb_keymap *keymap);
684 void
685 weston_seat_init_touch(struct weston_seat *seat);
686
687 void
688 weston_seat_release(struct weston_seat *seat);
689
690 enum {
691         TTY_ENTER_VT,
692         TTY_LEAVE_VT
693 };
694
695 typedef void (*tty_vt_func_t)(struct weston_compositor *compositor, int event);
696
697 struct tty *
698 tty_create(struct weston_compositor *compositor,
699            tty_vt_func_t vt_func, int tty_nr);
700
701 void
702 tty_destroy(struct tty *tty);
703
704 int
705 tty_activate_vt(struct tty *tty, int vt);
706
707 void
708 screenshooter_create(struct weston_compositor *ec);
709
710 struct clipboard *
711 clipboard_create(struct weston_seat *seat);
712
713 void
714 text_cursor_position_notifier_create(struct weston_compositor *ec);
715
716 void
717 input_method_create(struct weston_compositor *ec);
718
719 struct weston_process;
720 typedef void (*weston_process_cleanup_func_t)(struct weston_process *process,
721                                             int status);
722
723 struct weston_process {
724         pid_t pid;
725         weston_process_cleanup_func_t cleanup;
726         struct wl_list link;
727 };
728
729 struct wl_client *
730 weston_client_launch(struct weston_compositor *compositor,
731                      struct weston_process *proc,
732                      const char *path,
733                      weston_process_cleanup_func_t cleanup);
734
735 void
736 weston_watch_process(struct weston_process *process);
737
738 int
739 weston_xserver_init(struct weston_compositor *compositor);
740
741 struct weston_surface_animation;
742 typedef void (*weston_surface_animation_done_func_t)(struct weston_surface_animation *animation, void *data);
743
744 struct weston_surface_animation *
745 weston_zoom_run(struct weston_surface *surface, GLfloat start, GLfloat stop,
746                 weston_surface_animation_done_func_t done, void *data);
747
748 struct weston_surface_animation *
749 weston_fade_run(struct weston_surface *surface,
750                 weston_surface_animation_done_func_t done, void *data);
751 struct weston_surface_animation *
752 weston_slide_run(struct weston_surface *surface, GLfloat start, GLfloat stop,
753                  weston_surface_animation_done_func_t done, void *data);
754
755 void
756 weston_surface_set_color(struct weston_surface *surface,
757                          GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha);
758
759 void
760 weston_surface_destroy(struct weston_surface *surface);
761
762 struct weston_compositor *
763 backend_init(struct wl_display *display, int argc, char *argv[],
764              const char *config_file);
765
766 int
767 weston_output_switch_mode(struct weston_output *output, struct weston_mode *mode);
768
769 #endif