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weston/src/compositor.h

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/*
* Copyright © 2008-2011 Kristian Høgsberg
* Copyright © 2012 Collabora, Ltd.
*
* Permission to use, copy, modify, distribute, and sell this software and
* its documentation for any purpose is hereby granted without fee, provided
* that the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of the copyright holders not be used in
* advertising or publicity pertaining to distribution of the software
* without specific, written prior permission. The copyright holders make
* no representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied warranty.
*
* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
* SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
* RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
* CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef _WAYLAND_SYSTEM_COMPOSITOR_H_
#define _WAYLAND_SYSTEM_COMPOSITOR_H_
#include <pixman.h>
#include <xkbcommon/xkbcommon.h>
#include <wayland-server.h>
#include <GLES2/gl2.h>
#include <GLES2/gl2ext.h>
#include <EGL/egl.h>
#include <EGL/eglext.h>
#include "matrix.h"
#include "../shared/config-parser.h"
#include "weston-egl-ext.h"
#define ARRAY_LENGTH(a) (sizeof (a) / sizeof (a)[0])
#define container_of(ptr, type, member) ({ \
const __typeof__( ((type *)0)->member ) *__mptr = (ptr); \
(type *)( (char *)__mptr - offsetof(type,member) );})
struct weston_transform {
struct weston_matrix matrix;
struct wl_list link;
};
struct weston_surface;
struct shell_surface;
struct weston_seat;
struct weston_output;
struct input_method;
enum weston_keyboard_modifier {
MODIFIER_CTRL = (1 << 0),
MODIFIER_ALT = (1 << 1),
MODIFIER_SUPER = (1 << 2),
MODIFIER_SHIFT = (1 << 3),
};
enum weston_led {
LED_NUM_LOCK = (1 << 0),
LED_CAPS_LOCK = (1 << 1),
LED_SCROLL_LOCK = (1 << 2),
};
struct weston_mode {
uint32_t flags;
int32_t width, height;
uint32_t refresh;
struct wl_list link;
};
struct weston_shell_client {
void (*send_configure)(struct weston_surface *surface,
uint32_t edges, int32_t width, int32_t height);
};
struct weston_shell_interface {
void *shell; /* either desktop or tablet */
struct shell_surface *(*create_shell_surface)(void *shell,
struct weston_surface *surface,
const struct weston_shell_client *client);
void (*set_toplevel)(struct shell_surface *shsurf);
void (*set_transient)(struct shell_surface *shsurf,
struct weston_surface *parent,
int x, int y, uint32_t flags);
int (*move)(struct shell_surface *shsurf, struct weston_seat *ws);
int (*resize)(struct shell_surface *shsurf,
struct weston_seat *ws, uint32_t edges);
};
struct weston_border {
int32_t left, right, top, bottom;
};
struct weston_animation {
void (*frame)(struct weston_animation *animation,
struct weston_output *output, uint32_t msecs);
int frame_counter;
struct wl_list link;
};
struct weston_spring {
double k;
double friction;
double current;
double target;
double previous;
uint32_t timestamp;
};
enum {
ZOOM_FOCUS_POINTER,
ZOOM_FOCUS_TEXT
};
struct weston_fixed_point {
wl_fixed_t x, y;
};
struct weston_output_zoom {
int active;
uint32_t type;
float increment;
float level;
float max_level;
float trans_x, trans_y;
struct weston_animation animation_z;
struct weston_spring spring_z;
struct weston_animation animation_xy;
struct weston_spring spring_xy;
struct weston_fixed_point from;
struct weston_fixed_point to;
struct weston_fixed_point current;
struct weston_fixed_point text_cursor;
};
/* bit compatible with drm definitions. */
enum dpms_enum {
WESTON_DPMS_ON,
WESTON_DPMS_STANDBY,
WESTON_DPMS_SUSPEND,
WESTON_DPMS_OFF
};
struct weston_output {
uint32_t id;
EGLSurface egl_surface;
struct wl_list link;
struct wl_list resource_list;
struct wl_global *global;
struct weston_compositor *compositor;
struct weston_matrix matrix;
struct wl_list animation_list;
int32_t x, y, width, height;
int32_t mm_width, mm_height;
struct weston_border border;
pixman_region32_t region;
int current_buffer;
pixman_region32_t buffer_damage[2];
int repaint_needed;
int repaint_scheduled;
struct weston_output_zoom zoom;
int dirty;
struct wl_signal frame_signal;
uint32_t frame_time;
int disable_planes;
char *make, *model;
uint32_t subpixel;
uint32_t transform;
struct weston_mode *current;
struct weston_mode *origin;
struct wl_list mode_list;
void (*repaint)(struct weston_output *output,
pixman_region32_t *damage);
void (*destroy)(struct weston_output *output);
void (*assign_planes)(struct weston_output *output);
int (*switch_mode)(struct weston_output *output, struct weston_mode *mode);
/* backlight values are on 0-255 range, where higher is brighter */
uint32_t backlight_current;
void (*set_backlight)(struct weston_output *output, uint32_t value);
void (*set_dpms)(struct weston_output *output, enum dpms_enum level);
};
struct weston_xkb_info {
struct xkb_keymap *keymap;
int keymap_fd;
size_t keymap_size;
char *keymap_area;
xkb_mod_index_t shift_mod;
xkb_mod_index_t caps_mod;
xkb_mod_index_t ctrl_mod;
xkb_mod_index_t alt_mod;
xkb_mod_index_t mod2_mod;
xkb_mod_index_t mod3_mod;
xkb_mod_index_t super_mod;
xkb_mod_index_t mod5_mod;
xkb_led_index_t num_led;
xkb_led_index_t caps_led;
xkb_led_index_t scroll_led;
};
struct weston_seat {
struct wl_seat seat;
struct wl_pointer pointer;
int has_pointer;
struct wl_keyboard keyboard;
int has_keyboard;
struct wl_touch touch;
int has_touch;
struct weston_compositor *compositor;
struct weston_surface *sprite;
struct wl_listener sprite_destroy_listener;
struct weston_surface *drag_surface;
struct wl_listener drag_surface_destroy_listener;
int32_t hotspot_x, hotspot_y;
struct wl_list link;
enum weston_keyboard_modifier modifier_state;
struct wl_surface *saved_kbd_focus;
struct wl_listener saved_kbd_focus_listener;
uint32_t num_tp;
struct wl_listener new_drag_icon_listener;
void (*led_update)(struct weston_seat *ws, enum weston_led leds);
struct weston_xkb_info xkb_info;
struct {
struct xkb_state *state;
enum weston_led leds;
} xkb_state;
struct input_method *input_method;
};
struct weston_shader {
GLuint program;
GLuint vertex_shader, fragment_shader;
GLint proj_uniform;
GLint tex_uniforms[3];
GLint alpha_uniform;
GLint color_uniform;
};
enum {
WESTON_COMPOSITOR_ACTIVE,
WESTON_COMPOSITOR_IDLE, /* shell->unlock called on activity */
WESTON_COMPOSITOR_SLEEPING /* no rendering, no frame events */
};
struct weston_layer {
struct wl_list surface_list;
struct wl_list link;
};
struct weston_plane {
pixman_region32_t damage;
pixman_region32_t opaque;
int32_t x, y;
};
struct weston_renderer {
void (*repaint_output)(struct weston_output *output,
pixman_region32_t *output_damage);
void (*flush_damage)(struct weston_surface *surface);
void (*attach)(struct weston_surface *es, struct wl_buffer *buffer);
void (*destroy_surface)(struct weston_surface *surface);
};
struct weston_compositor {
struct wl_signal destroy_signal;
EGLDisplay egl_display;
EGLContext egl_context;
EGLConfig egl_config;
struct weston_shader texture_shader_rgba;
struct weston_shader texture_shader_rgbx;
struct weston_shader texture_shader_egl_external;
struct weston_shader texture_shader_y_uv;
struct weston_shader texture_shader_y_u_v;
struct weston_shader texture_shader_y_xuxv;
struct weston_shader solid_shader;
struct weston_shader *current_shader;
struct wl_display *wl_display;
struct weston_shell_interface shell_interface;
struct wl_signal activate_signal;
struct wl_signal kill_signal;
struct wl_signal lock_signal;
struct wl_signal unlock_signal;
struct wl_signal show_input_panel_signal;
struct wl_signal hide_input_panel_signal;
struct wl_event_loop *input_loop;
struct wl_event_source *input_loop_source;
struct weston_layer fade_layer;
struct weston_layer cursor_layer;
struct wl_list output_list;
struct wl_list seat_list;
struct wl_list layer_list;
struct wl_list surface_list;
struct wl_list key_binding_list;
struct wl_list button_binding_list;
struct wl_list axis_binding_list;
struct wl_list debug_binding_list;
struct {
struct weston_spring spring;
struct weston_animation animation;
struct weston_surface *surface;
} fade;
uint32_t state;
struct wl_event_source *idle_source;
uint32_t idle_inhibit;
int option_idle_time; /* default timeout, s */
int idle_time; /* effective timeout, s */
/* Repaint state. */
struct wl_array vertices;
struct wl_array indices; /* only used in compositor-wayland */
struct wl_array vtxcnt;
struct weston_plane primary_plane;
int fan_debug;
uint32_t focus;
struct weston_renderer *renderer;
PFNGLEGLIMAGETARGETRENDERBUFFERSTORAGEOESPROC
image_target_renderbuffer_storage;
PFNGLEGLIMAGETARGETTEXTURE2DOESPROC image_target_texture_2d;
PFNEGLCREATEIMAGEKHRPROC create_image;
PFNEGLDESTROYIMAGEKHRPROC destroy_image;
int has_unpack_subimage;
GLenum read_format;
PFNEGLBINDWAYLANDDISPLAYWL bind_display;
PFNEGLUNBINDWAYLANDDISPLAYWL unbind_display;
PFNEGLQUERYWAYLANDBUFFERWL query_buffer;
int has_bind_display;
int has_egl_image_external;
void (*destroy)(struct weston_compositor *ec);
void (*restore)(struct weston_compositor *ec);
int (*authenticate)(struct weston_compositor *c, uint32_t id);
void (*ping_handler)(struct weston_surface *surface, uint32_t serial);
int launcher_sock;
uint32_t output_id_pool;
struct xkb_rule_names xkb_names;
struct xkb_context *xkb_context;
struct weston_xkb_info xkb_info;
};
struct weston_region {
struct wl_resource resource;
pixman_region32_t region;
};
/* Using weston_surface transformations
*
* To add a transformation to a surface, create a struct weston_transform, and
* add it to the list surface->geometry.transformation_list. Whenever you
* change the list, anything under surface->geometry, or anything in the
* weston_transforms linked into the list, you must set
* surface->geometry.dirty = 1.
*
* The order in the list defines the order of transformations. Let the list
* contain the transformation matrices M1, ..., Mn as head to tail. The
* transformation is applied to surface-local coordinate vector p as
* P = Mn * ... * M2 * M1 * p
* to produce the global coordinate vector P. The total transform
* Mn * ... * M2 * M1
* is cached in surface->transform.matrix, and the inverse of it in
* surface->transform.inverse.
*
* The list always contains surface->transform.position transformation, which
* is the translation by surface->geometry.x and y.
*
* If you want to apply a transformation in local coordinates, add your
* weston_transform to the head of the list. If you want to apply a
* transformation in global coordinates, add it to the tail of the list.
*/
struct weston_surface {
struct wl_surface surface;
struct weston_compositor *compositor;
GLuint textures[3];
int num_textures;
pixman_region32_t texture_damage;
pixman_region32_t clip;
pixman_region32_t damage;
pixman_region32_t opaque;
pixman_region32_t input;
int32_t pitch;
struct wl_list link;
struct wl_list layer_link;
struct weston_shader *shader;
GLfloat color[4];
float alpha;
struct weston_plane *plane;
/* Surface geometry state, mutable.
* If you change anything, set dirty = 1.
* That includes the transformations referenced from the list.
*/
struct {
float x, y; /* surface translation on display */
int32_t width, height;
/* struct weston_transform */
struct wl_list transformation_list;
int dirty;
} geometry;
/* State derived from geometry state, read-only.
* This is updated by weston_surface_update_transform().
*/
struct {
pixman_region32_t boundingbox;
pixman_region32_t opaque;
/* matrix and inverse are used only if enabled = 1.
* If enabled = 0, use x, y, width, height directly.
*/
int enabled;
struct weston_matrix matrix;
struct weston_matrix inverse;
struct weston_transform position; /* matrix from x, y */
} transform;
/*
* Which output to vsync this surface to.
* Used to determine, whether to send or queue frame events.
* Must be NULL, if 'link' is not in weston_compositor::surface_list.
*/
struct weston_output *output;
/*
* A more complete representation of all outputs this surface is
* displayed on.
*/
uint32_t output_mask;
struct wl_list frame_callback_list;
EGLImageKHR images[3];
GLenum target;
int num_images;
struct wl_buffer *buffer;
struct wl_listener buffer_destroy_listener;
/* All the pending state, that wl_surface.commit will apply. */
struct {
/* wl_surface.attach */
int remove_contents;
struct wl_buffer *buffer;
struct wl_listener buffer_destroy_listener;
int32_t sx;
int32_t sy;
/* wl_surface.damage */
pixman_region32_t damage;
/* wl_surface.set_opaque_region */
pixman_region32_t opaque;
/* wl_surface.set_input_region */
pixman_region32_t input;
/* wl_surface.frame */
struct wl_list frame_callback_list;
} pending;
/*
* If non-NULL, this function will be called on surface::attach after
* a new buffer has been set up for this surface. The integer params
* are the sx and sy paramerters supplied to surface::attach .
*/
void (*configure)(struct weston_surface *es, int32_t sx, int32_t sy);
void *private;
};
enum weston_key_state_update {
STATE_UPDATE_AUTOMATIC,
STATE_UPDATE_NONE,
};
void
weston_surface_update_transform(struct weston_surface *surface);
void
weston_surface_to_global_fixed(struct weston_surface *surface,
wl_fixed_t sx, wl_fixed_t sy,
wl_fixed_t *x, wl_fixed_t *y);
void
weston_surface_to_global_float(struct weston_surface *surface,
float sx, float sy, float *x, float *y);
void
weston_surface_from_global_float(struct weston_surface *surface,
float x, float y, float *sx, float *sy);
void
weston_surface_from_global(struct weston_surface *surface,
int32_t x, int32_t y, int32_t *sx, int32_t *sy);
void
weston_surface_from_global_fixed(struct weston_surface *surface,
wl_fixed_t x, wl_fixed_t y,
wl_fixed_t *sx, wl_fixed_t *sy);
void
weston_spring_init(struct weston_spring *spring,
double k, double current, double target);
void
weston_spring_update(struct weston_spring *spring, uint32_t msec);
int
weston_spring_done(struct weston_spring *spring);
void
weston_surface_activate(struct weston_surface *surface,
struct weston_seat *seat);
void
notify_motion(struct weston_seat *seat, uint32_t time,
wl_fixed_t x, wl_fixed_t y);
void
notify_button(struct weston_seat *seat, uint32_t time, int32_t button,
enum wl_pointer_button_state state);
void
notify_axis(struct weston_seat *seat, uint32_t time, uint32_t axis,
wl_fixed_t value);
void
notify_key(struct weston_seat *seat, uint32_t time, uint32_t key,
enum wl_keyboard_key_state state,
enum weston_key_state_update update_state);
void
notify_modifiers(struct weston_seat *seat, uint32_t serial);
void
notify_pointer_focus(struct weston_seat *seat, struct weston_output *output,
wl_fixed_t x, wl_fixed_t y);
void
notify_keyboard_focus_in(struct weston_seat *seat, struct wl_array *keys,
enum weston_key_state_update update_state);
void
notify_keyboard_focus_out(struct weston_seat *seat);
void
notify_touch(struct weston_seat *seat, uint32_t time, int touch_id,
wl_fixed_t x, wl_fixed_t y, int touch_type);
void
weston_layer_init(struct weston_layer *layer, struct wl_list *below);
void
weston_plane_init(struct weston_plane *plane, int32_t x, int32_t y);
void
weston_plane_release(struct weston_plane *plane);
void
weston_output_finish_frame(struct weston_output *output, uint32_t msecs);
void
weston_output_schedule_repaint(struct weston_output *output);
void
weston_output_damage(struct weston_output *output);
void
weston_compositor_schedule_repaint(struct weston_compositor *compositor);
void
weston_compositor_fade(struct weston_compositor *compositor, float tint);
void
weston_compositor_damage_all(struct weston_compositor *compositor);
void
weston_compositor_unlock(struct weston_compositor *compositor);
void
weston_compositor_wake(struct weston_compositor *compositor);
void
weston_compositor_activity(struct weston_compositor *compositor);
void
weston_compositor_update_drag_surfaces(struct weston_compositor *compositor);
struct weston_binding;
typedef void (*weston_key_binding_handler_t)(struct wl_seat *seat,
uint32_t time, uint32_t key,
void *data);
struct weston_binding *
weston_compositor_add_key_binding(struct weston_compositor *compositor,
uint32_t key,
enum weston_keyboard_modifier modifier,
weston_key_binding_handler_t binding,
void *data);
typedef void (*weston_button_binding_handler_t)(struct wl_seat *seat,
uint32_t time, uint32_t button,
void *data);
struct weston_binding *
weston_compositor_add_button_binding(struct weston_compositor *compositor,
uint32_t button,
enum weston_keyboard_modifier modifier,
weston_button_binding_handler_t binding,
void *data);
typedef void (*weston_axis_binding_handler_t)(struct wl_seat *seat,
uint32_t time, uint32_t axis,
wl_fixed_t value, void *data);
struct weston_binding *
weston_compositor_add_axis_binding(struct weston_compositor *compositor,
uint32_t axis,
enum weston_keyboard_modifier modifier,
weston_axis_binding_handler_t binding,
void *data);
struct weston_binding *
weston_compositor_add_debug_binding(struct weston_compositor *compositor,
uint32_t key,
weston_key_binding_handler_t binding,
void *data);
void
weston_binding_destroy(struct weston_binding *binding);
void
weston_binding_list_destroy_all(struct wl_list *list);
void
weston_compositor_run_key_binding(struct weston_compositor *compositor,
struct weston_seat *seat, uint32_t time,
uint32_t key,
enum wl_keyboard_key_state state);
void
weston_compositor_run_button_binding(struct weston_compositor *compositor,
struct weston_seat *seat, uint32_t time,
uint32_t button,
enum wl_pointer_button_state value);
void
weston_compositor_run_axis_binding(struct weston_compositor *compositor,
struct weston_seat *seat, uint32_t time,
uint32_t axis, int32_t value);
int
weston_compositor_run_debug_binding(struct weston_compositor *compositor,
struct weston_seat *seat, uint32_t time,
uint32_t key,
enum wl_keyboard_key_state state);
int
weston_environment_get_fd(const char *env);
struct wl_list *
weston_compositor_top(struct weston_compositor *compositor);
struct weston_surface *
weston_surface_create(struct weston_compositor *compositor);
void
weston_surface_configure(struct weston_surface *surface,
float x, float y, int width, int height);
void
weston_surface_restack(struct weston_surface *surface, struct wl_list *below);
void
weston_surface_set_position(struct weston_surface *surface,
float x, float y);
int
weston_surface_is_mapped(struct weston_surface *surface);
void
weston_surface_schedule_repaint(struct weston_surface *surface);
void
weston_surface_damage(struct weston_surface *surface);
void
weston_surface_damage_below(struct weston_surface *surface);
void
weston_surface_move_to_plane(struct weston_surface *surface,
struct weston_plane *plane);
void
weston_surface_unmap(struct weston_surface *surface);
void
weston_buffer_post_release(struct wl_buffer *buffer);
uint32_t
weston_compositor_get_time(void);
int
weston_compositor_init(struct weston_compositor *ec, struct wl_display *display,
int argc, char *argv[], const char *config_file);
void
weston_compositor_shutdown(struct weston_compositor *ec);
void
weston_text_cursor_position_notify(struct weston_surface *surface,
wl_fixed_t x, wl_fixed_t y);
void
weston_output_init_zoom(struct weston_output *output);
void
weston_output_update_zoom(struct weston_output *output, uint32_t type);
void
weston_output_update_matrix(struct weston_output *output);
void
weston_output_move(struct weston_output *output, int x, int y);
void
weston_output_init(struct weston_output *output, struct weston_compositor *c,
int x, int y, int width, int height, uint32_t transform);
void
weston_output_destroy(struct weston_output *output);
void
weston_seat_init(struct weston_seat *seat, struct weston_compositor *ec);
void
weston_seat_init_pointer(struct weston_seat *seat);
void
weston_seat_init_keyboard(struct weston_seat *seat, struct xkb_keymap *keymap);
void
weston_seat_init_touch(struct weston_seat *seat);
void
weston_seat_release(struct weston_seat *seat);
/* String literal of spaces, the same width as the timestamp. */
#define STAMP_SPACE " "
void
weston_log_file_open(const char *filename);
void
weston_log_file_close(void);
int
weston_log(const char *fmt, ...)
__attribute__ ((format (printf, 1, 2)));
int
weston_log_continue(const char *fmt, ...)
__attribute__ ((format (printf, 1, 2)));
enum {
TTY_ENTER_VT,
TTY_LEAVE_VT
};
typedef void (*tty_vt_func_t)(struct weston_compositor *compositor, int event);
struct tty *
tty_create(struct weston_compositor *compositor,
tty_vt_func_t vt_func, int tty_nr);
void
tty_destroy(struct tty *tty);
void
tty_reset(struct tty *tty);
int
tty_activate_vt(struct tty *tty, int vt);
void
screenshooter_create(struct weston_compositor *ec);
struct clipboard *
clipboard_create(struct weston_seat *seat);
void
text_cursor_position_notifier_create(struct weston_compositor *ec);
void
text_model_factory_create(struct weston_compositor *ec);
void
input_method_create(struct weston_compositor *ec,
struct weston_seat *seat);
struct weston_process;
typedef void (*weston_process_cleanup_func_t)(struct weston_process *process,
int status);
struct weston_process {
pid_t pid;
weston_process_cleanup_func_t cleanup;
struct wl_list link;
};
struct wl_client *
weston_client_launch(struct weston_compositor *compositor,
struct weston_process *proc,
const char *path,
weston_process_cleanup_func_t cleanup);
void
weston_watch_process(struct weston_process *process);
struct weston_surface_animation;
typedef void (*weston_surface_animation_done_func_t)(struct weston_surface_animation *animation, void *data);
struct weston_surface_animation *
weston_zoom_run(struct weston_surface *surface, float start, float stop,
weston_surface_animation_done_func_t done, void *data);
struct weston_surface_animation *
weston_fade_run(struct weston_surface *surface,
weston_surface_animation_done_func_t done, void *data);
struct weston_surface_animation *
weston_slide_run(struct weston_surface *surface, float start, float stop,
weston_surface_animation_done_func_t done, void *data);
void
weston_surface_set_color(struct weston_surface *surface,
float red, float green, float blue, float alpha);
void
weston_surface_destroy(struct weston_surface *surface);
int
weston_output_switch_mode(struct weston_output *output, struct weston_mode *mode);
int
gles2_renderer_init(struct weston_compositor *ec);
void
gles2_renderer_destroy(struct weston_compositor *ec);
int
noop_renderer_init(struct weston_compositor *ec);
void
noop_renderer_destroy(struct weston_compositor *ec);
struct weston_compositor *
backend_init(struct wl_display *display, int argc, char *argv[],
const char *config_file);
int
module_init(struct weston_compositor *compositor);
#endif
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