compositor: Accumulate damage per plane
[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
228         struct wl_listener new_drag_icon_listener;
229
230         void (*led_update)(struct weston_seat *ws, enum weston_led leds);
231
232         struct weston_xkb_info xkb_info;
233         struct {
234                 struct xkb_state *state;
235                 enum weston_led leds;
236         } xkb_state;
237 };
238
239 struct weston_shader {
240         GLuint program;
241         GLuint vertex_shader, fragment_shader;
242         GLint proj_uniform;
243         GLint tex_uniforms[3];
244         GLint alpha_uniform;
245         GLint color_uniform;
246         GLint texwidth_uniform;
247         GLint opaque_uniform;
248 };
249
250 enum {
251         WESTON_COMPOSITOR_ACTIVE,
252         WESTON_COMPOSITOR_IDLE,         /* shell->unlock called on activity */
253         WESTON_COMPOSITOR_SLEEPING      /* no rendering, no frame events */
254 };
255
256 struct weston_layer {
257         struct wl_list surface_list;
258         struct wl_list link;
259 };
260
261 struct weston_plane {
262         pixman_region32_t damage;
263         int32_t x, y;
264 };
265
266 struct weston_compositor {
267         struct wl_shm *shm;
268         struct wl_signal destroy_signal;
269
270         EGLDisplay egl_display;
271         EGLContext egl_context;
272         EGLConfig egl_config;
273         GLuint fbo;
274         struct weston_shader texture_shader_rgba;
275         struct weston_shader texture_shader_y_uv;
276         struct weston_shader texture_shader_y_u_v;
277         struct weston_shader texture_shader_y_xuxv;
278         struct weston_shader solid_shader;
279         struct weston_shader *current_shader;
280         struct wl_display *wl_display;
281         struct weston_shell_interface shell_interface;
282
283         struct wl_signal activate_signal;
284         struct wl_signal lock_signal;
285         struct wl_signal unlock_signal;
286
287         struct wl_signal show_input_panel_signal;
288         struct wl_signal hide_input_panel_signal;
289
290         struct wl_event_loop *input_loop;
291         struct wl_event_source *input_loop_source;
292
293         /* There can be more than one, but not right now... */
294         struct weston_seat *seat;
295
296         struct weston_layer fade_layer;
297         struct weston_layer cursor_layer;
298
299         struct wl_list output_list;
300         struct wl_list seat_list;
301         struct wl_list layer_list;
302         struct wl_list surface_list;
303         struct wl_list key_binding_list;
304         struct wl_list button_binding_list;
305         struct wl_list axis_binding_list;
306         struct {
307                 struct weston_spring spring;
308                 struct weston_animation animation;
309                 struct weston_surface *surface;
310         } fade;
311
312         uint32_t state;
313         struct wl_event_source *idle_source;
314         uint32_t idle_inhibit;
315         int option_idle_time;           /* default timeout, s */
316         int idle_time;                  /* effective timeout, s */
317
318         /* Repaint state. */
319         struct wl_array vertices, indices;
320         struct weston_plane primary_plane;
321
322         uint32_t focus;
323
324         PFNGLEGLIMAGETARGETRENDERBUFFERSTORAGEOESPROC
325                 image_target_renderbuffer_storage;
326         PFNGLEGLIMAGETARGETTEXTURE2DOESPROC image_target_texture_2d;
327         PFNEGLCREATEIMAGEKHRPROC create_image;
328         PFNEGLDESTROYIMAGEKHRPROC destroy_image;
329
330         int has_unpack_subimage;
331         GLenum read_format;
332
333         PFNEGLBINDWAYLANDDISPLAYWL bind_display;
334         PFNEGLUNBINDWAYLANDDISPLAYWL unbind_display;
335         PFNEGLQUERYWAYLANDBUFFERWL query_buffer;
336         int has_bind_display;
337
338         void (*destroy)(struct weston_compositor *ec);
339         void (*restore)(struct weston_compositor *ec);
340         int (*authenticate)(struct weston_compositor *c, uint32_t id);
341
342         void (*ping_handler)(struct weston_surface *surface, uint32_t serial);
343
344         int launcher_sock;
345
346         uint32_t output_id_pool;
347
348         struct xkb_rule_names xkb_names;
349         struct xkb_context *xkb_context;
350         struct weston_xkb_info xkb_info;
351 };
352
353 enum weston_output_flags {
354         WL_OUTPUT_FLIPPED = 0x01
355 };
356
357 struct weston_region {
358         struct wl_resource resource;
359         pixman_region32_t region;
360 };
361
362 /* Using weston_surface transformations
363  *
364  * To add a transformation to a surface, create a struct weston_transform, and
365  * add it to the list surface->geometry.transformation_list. Whenever you
366  * change the list, anything under surface->geometry, or anything in the
367  * weston_transforms linked into the list, you must set
368  * surface->geometry.dirty = 1.
369  *
370  * The order in the list defines the order of transformations. Let the list
371  * contain the transformation matrices M1, ..., Mn as head to tail. The
372  * transformation is applied to surface-local coordinate vector p as
373  *    P = Mn * ... * M2 * M1 * p
374  * to produce the global coordinate vector P. The total transform
375  *    Mn * ... * M2 * M1
376  * is cached in surface->transform.matrix, and the inverse of it in
377  * surface->transform.inverse.
378  *
379  * The list always contains surface->transform.position transformation, which
380  * is the translation by surface->geometry.x and y.
381  *
382  * If you want to apply a transformation in local coordinates, add your
383  * weston_transform to the head of the list. If you want to apply a
384  * transformation in global coordinates, add it to the tail of the list.
385  */
386
387 struct weston_surface {
388         struct wl_surface surface;
389         struct weston_compositor *compositor;
390         GLuint textures[3];
391         int num_textures;
392         pixman_region32_t clip;
393         pixman_region32_t damage;
394         pixman_region32_t opaque;
395         pixman_region32_t input;
396         int32_t pitch;
397         struct wl_list link;
398         struct wl_list layer_link;
399         struct weston_shader *shader;
400         GLfloat color[4];
401         GLfloat opaque_rect[4];
402         GLfloat alpha;
403         int blend;
404         struct weston_plane *plane;
405
406         /* Surface geometry state, mutable.
407          * If you change anything, set dirty = 1.
408          * That includes the transformations referenced from the list.
409          */
410         struct {
411                 GLfloat x, y; /* surface translation on display */
412                 int32_t width, height;
413
414                 /* struct weston_transform */
415                 struct wl_list transformation_list;
416
417                 int dirty;
418         } geometry;
419
420         /* State derived from geometry state, read-only.
421          * This is updated by weston_surface_update_transform().
422          */
423         struct {
424                 pixman_region32_t boundingbox;
425                 pixman_region32_t opaque;
426
427                 /* matrix and inverse are used only if enabled = 1.
428                  * If enabled = 0, use x, y, width, height directly.
429                  */
430                 int enabled;
431                 struct weston_matrix matrix;
432                 struct weston_matrix inverse;
433
434                 struct weston_transform position; /* matrix from x, y */
435         } transform;
436
437         /*
438          * Which output to vsync this surface to.
439          * Used to determine, whether to send or queue frame events.
440          * Must be NULL, if 'link' is not in weston_compositor::surface_list.
441          */
442         struct weston_output *output;
443
444         /*
445          * A more complete representation of all outputs this surface is
446          * displayed on.
447          */
448         uint32_t output_mask;
449
450         struct wl_list frame_callback_list;
451
452         EGLImageKHR images[3];
453         int num_images;
454
455         struct wl_buffer *buffer;
456         struct wl_listener buffer_destroy_listener;
457
458         /*
459          * If non-NULL, this function will be called on surface::attach after
460          * a new buffer has been set up for this surface. The integer params
461          * are the sx and sy paramerters supplied to surface::attach .
462          */
463         void (*configure)(struct weston_surface *es, int32_t sx, int32_t sy);
464         void *private;
465 };
466
467 enum weston_key_state_update {
468         STATE_UPDATE_AUTOMATIC,
469         STATE_UPDATE_NONE,
470 };
471
472 void
473 weston_surface_update_transform(struct weston_surface *surface);
474
475 void
476 weston_surface_to_global_fixed(struct weston_surface *surface,
477                                wl_fixed_t sx, wl_fixed_t sy,
478                                wl_fixed_t *x, wl_fixed_t *y);
479 void
480 weston_surface_to_global_float(struct weston_surface *surface,
481                                GLfloat sx, GLfloat sy, GLfloat *x, GLfloat *y);
482
483 void
484 weston_surface_from_global(struct weston_surface *surface,
485                            int32_t x, int32_t y, int32_t *sx, int32_t *sy);
486 void
487 weston_surface_from_global_fixed(struct weston_surface *surface,
488                                  wl_fixed_t x, wl_fixed_t y,
489                                  wl_fixed_t *sx, wl_fixed_t *sy);
490
491 void
492 weston_spring_init(struct weston_spring *spring,
493                    double k, double current, double target);
494 void
495 weston_spring_update(struct weston_spring *spring, uint32_t msec);
496 int
497 weston_spring_done(struct weston_spring *spring);
498
499 void
500 weston_surface_activate(struct weston_surface *surface,
501                         struct weston_seat *seat);
502 void
503 weston_surface_draw(struct weston_surface *es,
504                     struct weston_output *output, pixman_region32_t *damage);
505
506 void
507 notify_motion(struct wl_seat *seat, uint32_t time,
508               wl_fixed_t x, wl_fixed_t y);
509 void
510 notify_button(struct wl_seat *seat, uint32_t time, int32_t button,
511               enum wl_pointer_button_state state);
512 void
513 notify_axis(struct wl_seat *seat, uint32_t time, uint32_t axis,
514             wl_fixed_t value);
515 void
516 notify_key(struct wl_seat *seat, uint32_t time, uint32_t key,
517            enum wl_keyboard_key_state state,
518            enum weston_key_state_update update_state);
519 void
520 notify_modifiers(struct wl_seat *seat, uint32_t serial);
521
522 void
523 notify_pointer_focus(struct wl_seat *seat, struct weston_output *output,
524                      wl_fixed_t x, wl_fixed_t y);
525
526 void
527 notify_keyboard_focus_in(struct wl_seat *seat, struct wl_array *keys,
528                          enum weston_key_state_update update_state);
529 void
530 notify_keyboard_focus_out(struct wl_seat *seat);
531
532 void
533 notify_touch(struct wl_seat *seat, uint32_t time, int touch_id,
534              wl_fixed_t x, wl_fixed_t y, int touch_type);
535
536 void
537 weston_layer_init(struct weston_layer *layer, struct wl_list *below);
538
539 void
540 weston_plane_init(struct weston_plane *plane, int32_t x, int32_t y);
541 void
542 weston_plane_release(struct weston_plane *plane);
543
544 void
545 weston_output_finish_frame(struct weston_output *output, uint32_t msecs);
546 void
547 weston_output_schedule_repaint(struct weston_output *output);
548 void
549 weston_output_damage(struct weston_output *output);
550 void
551 weston_compositor_schedule_repaint(struct weston_compositor *compositor);
552 void
553 weston_compositor_fade(struct weston_compositor *compositor, float tint);
554 void
555 weston_compositor_damage_all(struct weston_compositor *compositor);
556 void
557 weston_compositor_unlock(struct weston_compositor *compositor);
558 void
559 weston_compositor_wake(struct weston_compositor *compositor);
560 void
561 weston_compositor_activity(struct weston_compositor *compositor);
562 void
563 weston_compositor_update_drag_surfaces(struct weston_compositor *compositor);
564
565
566 struct weston_binding;
567 typedef void (*weston_key_binding_handler_t)(struct wl_seat *seat,
568                                              uint32_t time, uint32_t key,
569                                              void *data);
570 struct weston_binding *
571 weston_compositor_add_key_binding(struct weston_compositor *compositor,
572                                   uint32_t key,
573                                   enum weston_keyboard_modifier modifier,
574                                   weston_key_binding_handler_t binding,
575                                   void *data);
576
577 typedef void (*weston_button_binding_handler_t)(struct wl_seat *seat,
578                                                 uint32_t time, uint32_t button,
579                                                 void *data);
580 struct weston_binding *
581 weston_compositor_add_button_binding(struct weston_compositor *compositor,
582                                      uint32_t button,
583                                      enum weston_keyboard_modifier modifier,
584                                      weston_button_binding_handler_t binding,
585                                      void *data);
586
587 typedef void (*weston_axis_binding_handler_t)(struct wl_seat *seat,
588                                               uint32_t time, uint32_t axis,
589                                               wl_fixed_t value, void *data);
590 struct weston_binding *
591 weston_compositor_add_axis_binding(struct weston_compositor *compositor,
592                                    uint32_t axis,
593                                    enum weston_keyboard_modifier modifier,
594                                    weston_axis_binding_handler_t binding,
595                                    void *data);
596 void
597 weston_binding_destroy(struct weston_binding *binding);
598
599 void
600 weston_binding_list_destroy_all(struct wl_list *list);
601
602 void
603 weston_compositor_run_key_binding(struct weston_compositor *compositor,
604                                   struct weston_seat *seat, uint32_t time,
605                                   uint32_t key,
606                                   enum wl_keyboard_key_state state);
607 void
608 weston_compositor_run_button_binding(struct weston_compositor *compositor,
609                                      struct weston_seat *seat, uint32_t time,
610                                      uint32_t button,
611                                      enum wl_pointer_button_state value);
612 void
613 weston_compositor_run_axis_binding(struct weston_compositor *compositor,
614                                    struct weston_seat *seat, uint32_t time,
615                                    uint32_t axis, int32_t value);
616
617 int
618 weston_environment_get_fd(const char *env);
619
620 struct wl_list *
621 weston_compositor_top(struct weston_compositor *compositor);
622
623 struct weston_surface *
624 weston_surface_create(struct weston_compositor *compositor);
625
626 void
627 weston_surface_configure(struct weston_surface *surface,
628                          GLfloat x, GLfloat y, int width, int height);
629
630 void
631 weston_surface_restack(struct weston_surface *surface, struct wl_list *below);
632
633 void
634 weston_surface_set_position(struct weston_surface *surface,
635                             GLfloat x, GLfloat y);
636
637 int
638 weston_surface_is_mapped(struct weston_surface *surface);
639
640 void
641 weston_surface_assign_output(struct weston_surface *surface);
642
643 void
644 weston_surface_damage(struct weston_surface *surface);
645
646 void
647 weston_surface_damage_below(struct weston_surface *surface);
648
649 void
650 weston_surface_move_to_plane(struct weston_surface *surface,
651                              struct weston_plane *plane);
652 void
653 weston_surface_unmap(struct weston_surface *surface);
654
655 void
656 weston_buffer_post_release(struct wl_buffer *buffer);
657
658 uint32_t
659 weston_compositor_get_time(void);
660
661 int
662 weston_compositor_init(struct weston_compositor *ec, struct wl_display *display,
663                        int argc, char *argv[], const char *config_file);
664 int
665 weston_compositor_init_gl(struct weston_compositor *ec);
666 void
667 weston_compositor_shutdown(struct weston_compositor *ec);
668 void
669 weston_text_cursor_position_notify(struct weston_surface *surface,
670                                                 wl_fixed_t x, wl_fixed_t y);
671 void
672 weston_output_init_zoom(struct weston_output *output);
673 void
674 weston_output_update_zoom(struct weston_output *output, uint32_t type);
675 void
676 weston_output_update_matrix(struct weston_output *output);
677 void
678 weston_output_move(struct weston_output *output, int x, int y);
679 void
680 weston_output_init(struct weston_output *output, struct weston_compositor *c,
681                    int x, int y, int width, int height, uint32_t flags);
682 void
683 weston_output_destroy(struct weston_output *output);
684
685 void
686 weston_seat_init(struct weston_seat *seat, struct weston_compositor *ec);
687 void
688 weston_seat_init_pointer(struct weston_seat *seat);
689 void
690 weston_seat_init_keyboard(struct weston_seat *seat, struct xkb_keymap *keymap);
691 void
692 weston_seat_init_touch(struct weston_seat *seat);
693
694 void
695 weston_seat_release(struct weston_seat *seat);
696
697 /* String literal of spaces, the same width as the timestamp. */
698 #define STAMP_SPACE "               "
699
700 void
701 weston_log_file_open(const char *filename);
702 void
703 weston_log_file_close(void);
704 int
705 weston_log(const char *fmt, ...);
706 int
707 weston_log_continue(const char *fmt, ...);
708
709 enum {
710         TTY_ENTER_VT,
711         TTY_LEAVE_VT
712 };
713
714 typedef void (*tty_vt_func_t)(struct weston_compositor *compositor, int event);
715
716 struct tty *
717 tty_create(struct weston_compositor *compositor,
718            tty_vt_func_t vt_func, int tty_nr);
719
720 void
721 tty_destroy(struct tty *tty);
722
723 void
724 tty_reset(struct tty *tty);
725
726 int
727 tty_activate_vt(struct tty *tty, int vt);
728
729 void
730 screenshooter_create(struct weston_compositor *ec);
731
732 struct clipboard *
733 clipboard_create(struct weston_seat *seat);
734
735 void
736 text_cursor_position_notifier_create(struct weston_compositor *ec);
737
738 void
739 input_method_create(struct weston_compositor *ec);
740
741 struct weston_process;
742 typedef void (*weston_process_cleanup_func_t)(struct weston_process *process,
743                                             int status);
744
745 struct weston_process {
746         pid_t pid;
747         weston_process_cleanup_func_t cleanup;
748         struct wl_list link;
749 };
750
751 struct wl_client *
752 weston_client_launch(struct weston_compositor *compositor,
753                      struct weston_process *proc,
754                      const char *path,
755                      weston_process_cleanup_func_t cleanup);
756
757 void
758 weston_watch_process(struct weston_process *process);
759
760 int
761 weston_xserver_init(struct weston_compositor *compositor);
762
763 struct weston_surface_animation;
764 typedef void (*weston_surface_animation_done_func_t)(struct weston_surface_animation *animation, void *data);
765
766 struct weston_surface_animation *
767 weston_zoom_run(struct weston_surface *surface, GLfloat start, GLfloat stop,
768                 weston_surface_animation_done_func_t done, void *data);
769
770 struct weston_surface_animation *
771 weston_fade_run(struct weston_surface *surface,
772                 weston_surface_animation_done_func_t done, void *data);
773 struct weston_surface_animation *
774 weston_slide_run(struct weston_surface *surface, GLfloat start, GLfloat stop,
775                  weston_surface_animation_done_func_t done, void *data);
776
777 void
778 weston_surface_set_color(struct weston_surface *surface,
779                          GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha);
780
781 void
782 weston_surface_destroy(struct weston_surface *surface);
783
784 struct weston_compositor *
785 backend_init(struct wl_display *display, int argc, char *argv[],
786              const char *config_file);
787
788 int
789 weston_output_switch_mode(struct weston_output *output, struct weston_mode *mode);
790
791 #endif