compositor: make wl_surface.attach double-buffered
[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 struct input_method;
51
52 enum weston_keyboard_modifier {
53         MODIFIER_CTRL = (1 << 0),
54         MODIFIER_ALT = (1 << 1),
55         MODIFIER_SUPER = (1 << 2),
56         MODIFIER_SHIFT = (1 << 3),
57 };
58
59 enum weston_led {
60         LED_NUM_LOCK = (1 << 0),
61         LED_CAPS_LOCK = (1 << 1),
62         LED_SCROLL_LOCK = (1 << 2),
63 };
64
65 struct weston_mode {
66         uint32_t flags;
67         int32_t width, height;
68         uint32_t refresh;
69         struct wl_list link;
70 };
71
72 struct weston_shell_client {
73         void (*send_configure)(struct weston_surface *surface,
74                                uint32_t edges, int32_t width, int32_t height);
75 };
76
77 struct weston_shell_interface {
78         void *shell;                    /* either desktop or tablet */
79
80         struct shell_surface *(*create_shell_surface)(void *shell,
81                                                       struct weston_surface *surface,
82                                                       const struct weston_shell_client *client);
83
84         void (*set_toplevel)(struct shell_surface *shsurf);
85
86         void (*set_transient)(struct shell_surface *shsurf,
87                               struct weston_surface *parent,
88                               int x, int y, uint32_t flags);
89         int (*move)(struct shell_surface *shsurf, struct weston_seat *ws);
90         int (*resize)(struct shell_surface *shsurf,
91                       struct weston_seat *ws, uint32_t edges);
92
93 };
94
95 struct weston_border {
96         int32_t left, right, top, bottom;
97 };
98
99 struct weston_animation {
100         void (*frame)(struct weston_animation *animation,
101                       struct weston_output *output, uint32_t msecs);
102         int frame_counter;
103         struct wl_list link;
104 };
105
106 struct weston_spring {
107         double k;
108         double friction;
109         double current;
110         double target;
111         double previous;
112         uint32_t timestamp;
113 };
114
115 enum {
116         ZOOM_FOCUS_POINTER,
117         ZOOM_FOCUS_TEXT
118 };
119
120 struct weston_fixed_point {
121         wl_fixed_t x, y;
122 };
123
124 struct weston_output_zoom {
125         int active;
126         uint32_t type;
127         float increment;
128         float level;
129         float max_level;
130         float trans_x, trans_y;
131         struct weston_animation animation_z;
132         struct weston_spring spring_z;
133         struct weston_animation animation_xy;
134         struct weston_spring spring_xy;
135         struct weston_fixed_point from;
136         struct weston_fixed_point to;
137         struct weston_fixed_point current;
138         struct weston_fixed_point text_cursor;
139 };
140
141 /* bit compatible with drm definitions. */
142 enum dpms_enum {
143         WESTON_DPMS_ON,
144         WESTON_DPMS_STANDBY,
145         WESTON_DPMS_SUSPEND,
146         WESTON_DPMS_OFF
147 };
148
149 struct weston_output {
150         uint32_t id;
151
152         EGLSurface egl_surface;
153         struct wl_list link;
154         struct wl_list resource_list;
155         struct wl_global *global;
156         struct weston_compositor *compositor;
157         struct weston_matrix matrix;
158         struct wl_list animation_list;
159         int32_t x, y, width, height;
160         int32_t mm_width, mm_height;
161         struct weston_border border;
162         pixman_region32_t region;
163         int current_buffer;
164         pixman_region32_t buffer_damage[2];
165         int repaint_needed;
166         int repaint_scheduled;
167         struct weston_output_zoom zoom;
168         int dirty;
169         struct wl_signal frame_signal;
170         uint32_t frame_time;
171         int disable_planes;
172
173         char *make, *model;
174         uint32_t subpixel;
175         uint32_t transform;
176         
177         struct weston_mode *current;
178         struct weston_mode *origin;
179         struct wl_list mode_list;
180
181         void (*repaint)(struct weston_output *output,
182                         pixman_region32_t *damage);
183         void (*destroy)(struct weston_output *output);
184         void (*assign_planes)(struct weston_output *output);
185         int (*switch_mode)(struct weston_output *output, struct weston_mode *mode);
186
187         /* backlight values are on 0-255 range, where higher is brighter */
188         uint32_t backlight_current;
189         void (*set_backlight)(struct weston_output *output, uint32_t value);
190         void (*set_dpms)(struct weston_output *output, enum dpms_enum level);
191 };
192
193 struct weston_xkb_info {
194         struct xkb_keymap *keymap;
195         int keymap_fd;
196         size_t keymap_size;
197         char *keymap_area;
198         xkb_mod_index_t shift_mod;
199         xkb_mod_index_t caps_mod;
200         xkb_mod_index_t ctrl_mod;
201         xkb_mod_index_t alt_mod;
202         xkb_mod_index_t mod2_mod;
203         xkb_mod_index_t mod3_mod;
204         xkb_mod_index_t super_mod;
205         xkb_mod_index_t mod5_mod;
206         xkb_led_index_t num_led;
207         xkb_led_index_t caps_led;
208         xkb_led_index_t scroll_led;
209 };
210
211 struct weston_seat {
212         struct wl_seat seat;
213         struct wl_pointer pointer;
214         int has_pointer;
215         struct wl_keyboard keyboard;
216         int has_keyboard;
217         struct wl_touch touch;
218         int has_touch;
219
220         struct weston_compositor *compositor;
221         struct weston_surface *sprite;
222         struct wl_listener sprite_destroy_listener;
223         struct weston_surface *drag_surface;
224         struct wl_listener drag_surface_destroy_listener;
225         int32_t hotspot_x, hotspot_y;
226         struct wl_list link;
227         enum weston_keyboard_modifier modifier_state;
228         struct wl_surface *saved_kbd_focus;
229         struct wl_listener saved_kbd_focus_listener;
230
231         uint32_t num_tp;
232
233         struct wl_listener new_drag_icon_listener;
234
235         void (*led_update)(struct weston_seat *ws, enum weston_led leds);
236
237         struct weston_xkb_info xkb_info;
238         struct {
239                 struct xkb_state *state;
240                 enum weston_led leds;
241         } xkb_state;
242
243         struct input_method *input_method;
244 };
245
246 struct weston_shader {
247         GLuint program;
248         GLuint vertex_shader, fragment_shader;
249         GLint proj_uniform;
250         GLint tex_uniforms[3];
251         GLint alpha_uniform;
252         GLint color_uniform;
253 };
254
255 enum {
256         WESTON_COMPOSITOR_ACTIVE,
257         WESTON_COMPOSITOR_IDLE,         /* shell->unlock called on activity */
258         WESTON_COMPOSITOR_SLEEPING      /* no rendering, no frame events */
259 };
260
261 struct weston_layer {
262         struct wl_list surface_list;
263         struct wl_list link;
264 };
265
266 struct weston_plane {
267         pixman_region32_t damage;
268         int32_t x, y;
269 };
270
271 struct weston_renderer {
272         void (*repaint_output)(struct weston_output *output,
273                                pixman_region32_t *output_damage);
274         void (*flush_damage)(struct weston_surface *surface);
275         void (*attach)(struct weston_surface *es, struct wl_buffer *buffer);
276         void (*destroy_surface)(struct weston_surface *surface);
277 };
278
279 struct weston_compositor {
280         struct wl_signal destroy_signal;
281
282         EGLDisplay egl_display;
283         EGLContext egl_context;
284         EGLConfig egl_config;
285         struct weston_shader texture_shader_rgba;
286         struct weston_shader texture_shader_rgbx;
287         struct weston_shader texture_shader_egl_external;
288         struct weston_shader texture_shader_y_uv;
289         struct weston_shader texture_shader_y_u_v;
290         struct weston_shader texture_shader_y_xuxv;
291         struct weston_shader solid_shader;
292         struct weston_shader *current_shader;
293         struct wl_display *wl_display;
294         struct weston_shell_interface shell_interface;
295
296         struct wl_signal activate_signal;
297         struct wl_signal kill_signal;
298         struct wl_signal lock_signal;
299         struct wl_signal unlock_signal;
300
301         struct wl_signal show_input_panel_signal;
302         struct wl_signal hide_input_panel_signal;
303
304         struct wl_event_loop *input_loop;
305         struct wl_event_source *input_loop_source;
306
307         struct weston_layer fade_layer;
308         struct weston_layer cursor_layer;
309
310         struct wl_list output_list;
311         struct wl_list seat_list;
312         struct wl_list layer_list;
313         struct wl_list surface_list;
314         struct wl_list key_binding_list;
315         struct wl_list button_binding_list;
316         struct wl_list axis_binding_list;
317         struct {
318                 struct weston_spring spring;
319                 struct weston_animation animation;
320                 struct weston_surface *surface;
321         } fade;
322
323         uint32_t state;
324         struct wl_event_source *idle_source;
325         uint32_t idle_inhibit;
326         int option_idle_time;           /* default timeout, s */
327         int idle_time;                  /* effective timeout, s */
328
329         /* Repaint state. */
330         struct wl_array vertices;
331         struct wl_array indices; /* only used in compositor-wayland */
332         struct wl_array vtxcnt;
333         struct weston_plane primary_plane;
334         int fan_debug;
335
336         uint32_t focus;
337
338         struct weston_renderer *renderer;
339
340         PFNGLEGLIMAGETARGETRENDERBUFFERSTORAGEOESPROC
341                 image_target_renderbuffer_storage;
342         PFNGLEGLIMAGETARGETTEXTURE2DOESPROC image_target_texture_2d;
343         PFNEGLCREATEIMAGEKHRPROC create_image;
344         PFNEGLDESTROYIMAGEKHRPROC destroy_image;
345
346         int has_unpack_subimage;
347         GLenum read_format;
348
349         PFNEGLBINDWAYLANDDISPLAYWL bind_display;
350         PFNEGLUNBINDWAYLANDDISPLAYWL unbind_display;
351         PFNEGLQUERYWAYLANDBUFFERWL query_buffer;
352         int has_bind_display;
353
354         void (*destroy)(struct weston_compositor *ec);
355         void (*restore)(struct weston_compositor *ec);
356         int (*authenticate)(struct weston_compositor *c, uint32_t id);
357
358         void (*ping_handler)(struct weston_surface *surface, uint32_t serial);
359
360         int launcher_sock;
361
362         uint32_t output_id_pool;
363
364         struct xkb_rule_names xkb_names;
365         struct xkb_context *xkb_context;
366         struct weston_xkb_info xkb_info;
367 };
368
369 struct weston_region {
370         struct wl_resource resource;
371         pixman_region32_t region;
372 };
373
374 /* Using weston_surface transformations
375  *
376  * To add a transformation to a surface, create a struct weston_transform, and
377  * add it to the list surface->geometry.transformation_list. Whenever you
378  * change the list, anything under surface->geometry, or anything in the
379  * weston_transforms linked into the list, you must set
380  * surface->geometry.dirty = 1.
381  *
382  * The order in the list defines the order of transformations. Let the list
383  * contain the transformation matrices M1, ..., Mn as head to tail. The
384  * transformation is applied to surface-local coordinate vector p as
385  *    P = Mn * ... * M2 * M1 * p
386  * to produce the global coordinate vector P. The total transform
387  *    Mn * ... * M2 * M1
388  * is cached in surface->transform.matrix, and the inverse of it in
389  * surface->transform.inverse.
390  *
391  * The list always contains surface->transform.position transformation, which
392  * is the translation by surface->geometry.x and y.
393  *
394  * If you want to apply a transformation in local coordinates, add your
395  * weston_transform to the head of the list. If you want to apply a
396  * transformation in global coordinates, add it to the tail of the list.
397  */
398
399 struct weston_surface {
400         struct wl_surface surface;
401         struct weston_compositor *compositor;
402         GLuint textures[3];
403         int num_textures;
404         pixman_region32_t clip;
405         pixman_region32_t damage;
406         pixman_region32_t opaque;
407         pixman_region32_t input;
408         int32_t pitch;
409         struct wl_list link;
410         struct wl_list layer_link;
411         struct weston_shader *shader;
412         GLfloat color[4];
413         float alpha;
414         struct weston_plane *plane;
415
416         /* Surface geometry state, mutable.
417          * If you change anything, set dirty = 1.
418          * That includes the transformations referenced from the list.
419          */
420         struct {
421                 float x, y; /* surface translation on display */
422                 int32_t width, height;
423
424                 /* struct weston_transform */
425                 struct wl_list transformation_list;
426
427                 int dirty;
428         } geometry;
429
430         /* State derived from geometry state, read-only.
431          * This is updated by weston_surface_update_transform().
432          */
433         struct {
434                 pixman_region32_t boundingbox;
435                 pixman_region32_t opaque;
436
437                 /* matrix and inverse are used only if enabled = 1.
438                  * If enabled = 0, use x, y, width, height directly.
439                  */
440                 int enabled;
441                 struct weston_matrix matrix;
442                 struct weston_matrix inverse;
443
444                 struct weston_transform position; /* matrix from x, y */
445         } transform;
446
447         /*
448          * Which output to vsync this surface to.
449          * Used to determine, whether to send or queue frame events.
450          * Must be NULL, if 'link' is not in weston_compositor::surface_list.
451          */
452         struct weston_output *output;
453
454         /*
455          * A more complete representation of all outputs this surface is
456          * displayed on.
457          */
458         uint32_t output_mask;
459
460         struct wl_list frame_callback_list;
461
462         EGLImageKHR images[3];
463         GLenum target;
464         int num_images;
465
466         struct wl_buffer *buffer;
467         struct wl_listener buffer_destroy_listener;
468
469         /* All the pending state, that wl_surface.commit will apply. */
470         struct {
471                 /* wl_surface.attach */
472                 int remove_contents;
473                 struct wl_buffer *buffer;
474                 struct wl_listener buffer_destroy_listener;
475                 int32_t sx;
476                 int32_t sy;
477         } pending;
478
479         /*
480          * If non-NULL, this function will be called on surface::attach after
481          * a new buffer has been set up for this surface. The integer params
482          * are the sx and sy paramerters supplied to surface::attach .
483          */
484         void (*configure)(struct weston_surface *es, int32_t sx, int32_t sy);
485         void *private;
486 };
487
488 enum weston_key_state_update {
489         STATE_UPDATE_AUTOMATIC,
490         STATE_UPDATE_NONE,
491 };
492
493 void
494 weston_surface_update_transform(struct weston_surface *surface);
495
496 void
497 weston_surface_to_global_fixed(struct weston_surface *surface,
498                                wl_fixed_t sx, wl_fixed_t sy,
499                                wl_fixed_t *x, wl_fixed_t *y);
500 void
501 weston_surface_to_global_float(struct weston_surface *surface,
502                                float sx, float sy, float *x, float *y);
503
504 void
505 weston_surface_from_global_float(struct weston_surface *surface,
506                                  float x, float y, float *sx, float *sy);
507 void
508 weston_surface_from_global(struct weston_surface *surface,
509                            int32_t x, int32_t y, int32_t *sx, int32_t *sy);
510 void
511 weston_surface_from_global_fixed(struct weston_surface *surface,
512                                  wl_fixed_t x, wl_fixed_t y,
513                                  wl_fixed_t *sx, wl_fixed_t *sy);
514
515 void
516 weston_spring_init(struct weston_spring *spring,
517                    double k, double current, double target);
518 void
519 weston_spring_update(struct weston_spring *spring, uint32_t msec);
520 int
521 weston_spring_done(struct weston_spring *spring);
522
523 void
524 weston_surface_activate(struct weston_surface *surface,
525                         struct weston_seat *seat);
526 void
527 notify_motion(struct weston_seat *seat, uint32_t time,
528               wl_fixed_t x, wl_fixed_t y);
529 void
530 notify_button(struct weston_seat *seat, uint32_t time, int32_t button,
531               enum wl_pointer_button_state state);
532 void
533 notify_axis(struct weston_seat *seat, uint32_t time, uint32_t axis,
534             wl_fixed_t value);
535 void
536 notify_key(struct weston_seat *seat, uint32_t time, uint32_t key,
537            enum wl_keyboard_key_state state,
538            enum weston_key_state_update update_state);
539 void
540 notify_modifiers(struct weston_seat *seat, uint32_t serial);
541
542 void
543 notify_pointer_focus(struct weston_seat *seat, struct weston_output *output,
544                      wl_fixed_t x, wl_fixed_t y);
545
546 void
547 notify_keyboard_focus_in(struct weston_seat *seat, struct wl_array *keys,
548                          enum weston_key_state_update update_state);
549 void
550 notify_keyboard_focus_out(struct weston_seat *seat);
551
552 void
553 notify_touch(struct weston_seat *seat, uint32_t time, int touch_id,
554              wl_fixed_t x, wl_fixed_t y, int touch_type);
555
556 void
557 weston_layer_init(struct weston_layer *layer, struct wl_list *below);
558
559 void
560 weston_plane_init(struct weston_plane *plane, int32_t x, int32_t y);
561 void
562 weston_plane_release(struct weston_plane *plane);
563
564 void
565 weston_output_finish_frame(struct weston_output *output, uint32_t msecs);
566 void
567 weston_output_schedule_repaint(struct weston_output *output);
568 void
569 weston_output_damage(struct weston_output *output);
570 void
571 weston_compositor_schedule_repaint(struct weston_compositor *compositor);
572 void
573 weston_compositor_fade(struct weston_compositor *compositor, float tint);
574 void
575 weston_compositor_damage_all(struct weston_compositor *compositor);
576 void
577 weston_compositor_unlock(struct weston_compositor *compositor);
578 void
579 weston_compositor_wake(struct weston_compositor *compositor);
580 void
581 weston_compositor_activity(struct weston_compositor *compositor);
582 void
583 weston_compositor_update_drag_surfaces(struct weston_compositor *compositor);
584
585
586 struct weston_binding;
587 typedef void (*weston_key_binding_handler_t)(struct wl_seat *seat,
588                                              uint32_t time, uint32_t key,
589                                              void *data);
590 struct weston_binding *
591 weston_compositor_add_key_binding(struct weston_compositor *compositor,
592                                   uint32_t key,
593                                   enum weston_keyboard_modifier modifier,
594                                   weston_key_binding_handler_t binding,
595                                   void *data);
596
597 typedef void (*weston_button_binding_handler_t)(struct wl_seat *seat,
598                                                 uint32_t time, uint32_t button,
599                                                 void *data);
600 struct weston_binding *
601 weston_compositor_add_button_binding(struct weston_compositor *compositor,
602                                      uint32_t button,
603                                      enum weston_keyboard_modifier modifier,
604                                      weston_button_binding_handler_t binding,
605                                      void *data);
606
607 typedef void (*weston_axis_binding_handler_t)(struct wl_seat *seat,
608                                               uint32_t time, uint32_t axis,
609                                               wl_fixed_t value, void *data);
610 struct weston_binding *
611 weston_compositor_add_axis_binding(struct weston_compositor *compositor,
612                                    uint32_t axis,
613                                    enum weston_keyboard_modifier modifier,
614                                    weston_axis_binding_handler_t binding,
615                                    void *data);
616 void
617 weston_binding_destroy(struct weston_binding *binding);
618
619 void
620 weston_binding_list_destroy_all(struct wl_list *list);
621
622 void
623 weston_compositor_run_key_binding(struct weston_compositor *compositor,
624                                   struct weston_seat *seat, uint32_t time,
625                                   uint32_t key,
626                                   enum wl_keyboard_key_state state);
627 void
628 weston_compositor_run_button_binding(struct weston_compositor *compositor,
629                                      struct weston_seat *seat, uint32_t time,
630                                      uint32_t button,
631                                      enum wl_pointer_button_state value);
632 void
633 weston_compositor_run_axis_binding(struct weston_compositor *compositor,
634                                    struct weston_seat *seat, uint32_t time,
635                                    uint32_t axis, int32_t value);
636
637 int
638 weston_environment_get_fd(const char *env);
639
640 struct wl_list *
641 weston_compositor_top(struct weston_compositor *compositor);
642
643 struct weston_surface *
644 weston_surface_create(struct weston_compositor *compositor);
645
646 void
647 weston_surface_configure(struct weston_surface *surface,
648                          float x, float y, int width, int height);
649
650 void
651 weston_surface_restack(struct weston_surface *surface, struct wl_list *below);
652
653 void
654 weston_surface_set_position(struct weston_surface *surface,
655                             float x, float y);
656
657 int
658 weston_surface_is_mapped(struct weston_surface *surface);
659
660 void
661 weston_surface_schedule_repaint(struct weston_surface *surface);
662
663 void
664 weston_surface_damage(struct weston_surface *surface);
665
666 void
667 weston_surface_damage_below(struct weston_surface *surface);
668
669 void
670 weston_surface_move_to_plane(struct weston_surface *surface,
671                              struct weston_plane *plane);
672 void
673 weston_surface_unmap(struct weston_surface *surface);
674
675 void
676 weston_buffer_post_release(struct wl_buffer *buffer);
677
678 uint32_t
679 weston_compositor_get_time(void);
680
681 int
682 weston_compositor_init(struct weston_compositor *ec, struct wl_display *display,
683                        int argc, char *argv[], const char *config_file);
684 void
685 weston_compositor_shutdown(struct weston_compositor *ec);
686 void
687 weston_text_cursor_position_notify(struct weston_surface *surface,
688                                                 wl_fixed_t x, wl_fixed_t y);
689 void
690 weston_output_init_zoom(struct weston_output *output);
691 void
692 weston_output_update_zoom(struct weston_output *output, uint32_t type);
693 void
694 weston_output_update_matrix(struct weston_output *output);
695 void
696 weston_output_move(struct weston_output *output, int x, int y);
697 void
698 weston_output_init(struct weston_output *output, struct weston_compositor *c,
699                    int x, int y, int width, int height, uint32_t transform);
700 void
701 weston_output_destroy(struct weston_output *output);
702
703 void
704 weston_seat_init(struct weston_seat *seat, struct weston_compositor *ec);
705 void
706 weston_seat_init_pointer(struct weston_seat *seat);
707 void
708 weston_seat_init_keyboard(struct weston_seat *seat, struct xkb_keymap *keymap);
709 void
710 weston_seat_init_touch(struct weston_seat *seat);
711
712 void
713 weston_seat_release(struct weston_seat *seat);
714
715 /* String literal of spaces, the same width as the timestamp. */
716 #define STAMP_SPACE "               "
717
718 void
719 weston_log_file_open(const char *filename);
720 void
721 weston_log_file_close(void);
722 int
723 weston_log(const char *fmt, ...)
724         __attribute__ ((format (printf, 1, 2)));
725 int
726 weston_log_continue(const char *fmt, ...)
727         __attribute__ ((format (printf, 1, 2)));
728
729 enum {
730         TTY_ENTER_VT,
731         TTY_LEAVE_VT
732 };
733
734 typedef void (*tty_vt_func_t)(struct weston_compositor *compositor, int event);
735
736 struct tty *
737 tty_create(struct weston_compositor *compositor,
738            tty_vt_func_t vt_func, int tty_nr);
739
740 void
741 tty_destroy(struct tty *tty);
742
743 void
744 tty_reset(struct tty *tty);
745
746 int
747 tty_activate_vt(struct tty *tty, int vt);
748
749 void
750 screenshooter_create(struct weston_compositor *ec);
751
752 struct clipboard *
753 clipboard_create(struct weston_seat *seat);
754
755 void
756 text_cursor_position_notifier_create(struct weston_compositor *ec);
757
758 void
759 text_model_factory_create(struct weston_compositor *ec);
760
761 void
762 input_method_create(struct weston_compositor *ec,
763                     struct weston_seat *seat);
764
765 struct weston_process;
766 typedef void (*weston_process_cleanup_func_t)(struct weston_process *process,
767                                             int status);
768
769 struct weston_process {
770         pid_t pid;
771         weston_process_cleanup_func_t cleanup;
772         struct wl_list link;
773 };
774
775 struct wl_client *
776 weston_client_launch(struct weston_compositor *compositor,
777                      struct weston_process *proc,
778                      const char *path,
779                      weston_process_cleanup_func_t cleanup);
780
781 void
782 weston_watch_process(struct weston_process *process);
783
784 struct weston_surface_animation;
785 typedef void (*weston_surface_animation_done_func_t)(struct weston_surface_animation *animation, void *data);
786
787 struct weston_surface_animation *
788 weston_zoom_run(struct weston_surface *surface, float start, float stop,
789                 weston_surface_animation_done_func_t done, void *data);
790
791 struct weston_surface_animation *
792 weston_fade_run(struct weston_surface *surface,
793                 weston_surface_animation_done_func_t done, void *data);
794 struct weston_surface_animation *
795 weston_slide_run(struct weston_surface *surface, float start, float stop,
796                  weston_surface_animation_done_func_t done, void *data);
797
798 void
799 weston_surface_set_color(struct weston_surface *surface,
800                          float red, float green, float blue, float alpha);
801
802 void
803 weston_surface_destroy(struct weston_surface *surface);
804
805 int
806 weston_output_switch_mode(struct weston_output *output, struct weston_mode *mode);
807
808 int
809 gles2_renderer_init(struct weston_compositor *ec);
810 void
811 gles2_renderer_destroy(struct weston_compositor *ec);
812
813 struct weston_compositor *
814 backend_init(struct wl_display *display, int argc, char *argv[],
815             const char *config_file);
816
817 int
818 module_init(struct weston_compositor *compositor);
819
820 #endif