src/wayland.hpp

   1 #ifndef WM_WAYLAND_HPP
   2 #define WM_WAYLAND_HPP
   3
   4 #include "ivi-controller-client-protocol.h"
   5
   6 #include "util.h"
   7
   8 #include <functional>
   9 #include <map>
  10 #include <memory>
  11 #include <vector>
  12
  13 //                      _                 _
  14 // __      ____ _ _   _| | __ _ _ __   __| |     _ __  _ __ _____  ___   _
  15 // \ \ /\ / / _` | | | | |/ _` | '_ \ / _` |    | '_ \| '__/ _ \ \/ / | | |
  16 //  \ V  V / (_| | |_| | | (_| | | | | (_| |    | |_) | | | (_) >  <| |_| |
  17 //   \_/\_/ \__,_|\__, |_|\__,_|_| |_|\__,_|____| .__/|_|  \___/_/\_\\__, |
  18 //                |___/                   |_____|_|                  |___/
  19 template <typename ProxyT>
  20 struct wayland_proxy {
  21    ProxyT *proxy;
  22
  23    wayland_proxy(void *p) : proxy(static_cast<ProxyT *>(p)) {}
  24
  25    virtual ~wayland_proxy() {
  26       // If this is the nullptr, then it means it already was destroyed by a
  27       // custom wayland dtor
  28       if (this->proxy) {
  29          logdebug("%s %p @ %p", __func__, this, this->proxy);
  30          wl_proxy_destroy(reinterpret_cast<struct wl_proxy *>(this->proxy));
  31       }
  32    }
  33 };
  34
  35 //                                                                  _
  36 //  _ __   __ _ _ __ ___   ___  ___ _ __   __ _  ___ ___  __      _| |
  37 // | '_ \ / _` | '_ ` _ \ / _ \/ __| '_ \ / _` |/ __/ _ \ \ \ /\ / / |
  38 // | | | | (_| | | | | | |  __/\__ \ |_) | (_| | (_|  __/  \ V  V /| |
  39 // |_| |_|\__,_|_| |_| |_|\___||___/ .__/ \__,_|\___\___|   \_/\_/ |_|
  40 //                                 |_|
  41 namespace wl {
  42 struct registry;
  43
  44 //      _ _           _
  45 //   __| (_)___ _ __ | | __ _ _   _
  46 //  / _` | / __| '_ \| |/ _` | | | |
  47 // | (_| | \__ \ |_) | | (_| | |_| |
  48 //  \__,_|_|___/ .__/|_|\__,_|\__, |
  49 //             |_|            |___/
  50 struct display {
  51    std::unique_ptr<struct wl_display, std::function<void(struct wl_display *)>>
  52       d;
  53    std::unique_ptr<struct registry> r;
  54
  55    display();
  56    ~display();
  57    bool ok() const;
  58    void roundtrip();
  59    int dispatch();
  60    void flush();
  61    int get_fd() const;
  62 };
  63
  64 //                 _     _
  65 //  _ __ ___  __ _(_)___| |_ _ __ _   _
  66 // | '__/ _ \/ _` | / __| __| '__| | | |
  67 // | | |  __/ (_| | \__ \ |_| |  | |_| |
  68 // |_|  \___|\__, |_|___/\__|_|   \__, |
  69 //           |___/                |___/
  70 struct registry : public wayland_proxy<struct wl_registry> {
  71    typedef std::function<void(struct wl_registry *, uint32_t, uint32_t)> binder;
  72    std::map<std::string, binder> bindings;
  73
  74    registry(struct wl_display *d);
  75    ~registry();
  76
  77    void add_global_handler(char const *iface, binder bind);
  78
  79    // Events
  80    void global(uint32_t name, char const *iface, uint32_t v);
  81    void global_remove(uint32_t name);
  82 };
  83
  84 //              _               _
  85 //   ___  _   _| |_ _ __  _   _| |_
  86 //  / _ \| | | | __| '_ \| | | | __|
  87 // | (_) | |_| | |_| |_) | |_| | |_
  88 //  \___/ \__,_|\__| .__/ \__,_|\__|
  89 //                 |_|
  90 struct output : wayland_proxy<struct wl_output> {
  91    int width;
  92    int height;
  93    int refresh;
  94
  95    output(struct wl_registry *registry, uint32_t name, uint32_t version);
  96
  97    // Events
  98    void geometry(int32_t x, int32_t y, int32_t pw, int32_t ph, int32_t subpel,
  99                  char const *make, char const *model, int32_t tx);
 100    void mode(uint32_t flags, int32_t w, int32_t h, int32_t r);
 101    void done();
 102    void scale(int32_t factor);
 103 };
 104 }
 105
 106 //  _ __   __ _ _ __ ___   ___  ___ _ __   __ _  ___ ___
 107 // | '_ \ / _` | '_ ` _ \ / _ \/ __| '_ \ / _` |/ __/ _ \
 108 // | | | | (_| | | | | | |  __/\__ \ |_) | (_| | (_|  __/
 109 // |_| |_|\__,_|_| |_| |_|\___||___/ .__/ \__,_|\___\___|
 110 //                                 |_|
 111 //                   _       _
 112 //   __ _  ___ _ __ (_)_   _(_)
 113 //  / _` |/ _ \ '_ \| \ \ / / |
 114 // | (_| |  __/ | | | |\ V /| |
 115 //  \__, |\___|_| |_|_| \_/ |_|
 116 //  |___/
 117 namespace genivi {
 118
 119 struct size {
 120    uint32_t w, h;
 121 };
 122
 123 struct rect {
 124    uint32_t w, h;
 125    int32_t x, y;
 126 };
 127
 128 struct controller;
 129
 130 struct controlled_entity {
 131    struct controller *parent;
 132    uint32_t id;
 133
 134    controlled_entity(struct controller *c, uint32_t i) : parent(c), id(i) {}
 135    virtual ~controlled_entity() {}
 136 };
 137
 138 //                  __
 139 //  ___ _   _ _ __ / _| __ _  ___ ___
 140 // / __| | | | '__| |_ / _` |/ __/ _ \
 141 // \__ \ |_| | |  |  _| (_| | (_|  __/
 142 // |___/\__,_|_|  |_|  \__,_|\___\___|
 143 //
 144 struct surface : public wayland_proxy<struct ivi_controller_surface>,
 145                  controlled_entity {
 146    struct rect dst_rect;
 147    struct rect src_rect;
 148    struct size size;
 149    int32_t orientation;
 150    int32_t visibility;
 151    float opacity;
 152
 153    surface(uint32_t i, struct controller *c);
 154    ~surface() override;
 155
 156    // Requests
 157    inline void set_visibility(uint32_t visibility) {
 158       ivi_controller_surface_set_visibility(this->proxy, visibility);
 159    }
 160
 161    inline void set_opacity(wl_fixed_t opacity) {
 162       ivi_controller_surface_set_opacity(this->proxy, opacity);
 163    }
 164
 165    inline void set_source_rectangle(int32_t x, int32_t y, int32_t width,
 166                                     int32_t height) {
 167       ivi_controller_surface_set_source_rectangle(this->proxy, x, y, width,
 168                                                   height);
 169    }
 170
 171    inline void set_destination_rectangle(int32_t x, int32_t y, int32_t width,
 172                                          int32_t height) {
 173       ivi_controller_surface_set_destination_rectangle(this->proxy, x, y, width,
 174                                                        height);
 175    }
 176
 177    inline void set_configuration(int32_t width, int32_t height) {
 178       ivi_controller_surface_set_configuration(this->proxy, width, height);
 179    }
 180
 181    inline void set_orientation(int32_t orientation) {
 182       ivi_controller_surface_set_orientation(this->proxy, orientation);
 183    }
 184
 185    inline void screenshot(const char *filename) {
 186       ivi_controller_surface_screenshot(this->proxy, filename);
 187    }
 188
 189    inline void send_stats() { ivi_controller_surface_send_stats(this->proxy); }
 190
 191    inline void destroy(int32_t destroy_scene_object) {
 192       ivi_controller_surface_destroy(this->proxy, destroy_scene_object);
 193    }
 194 };
 195
 196 //  _
 197 // | | __ _ _   _  ___ _ __
 198 // | |/ _` | | | |/ _ \ '__|
 199 // | | (_| | |_| |  __/ |
 200 // |_|\__,_|\__, |\___|_|
 201 //          |___/
 202 struct layer : public wayland_proxy<struct ivi_controller_layer>,
 203                controlled_entity {
 204    layer(uint32_t i, struct controller *c);
 205    ~layer() override;
 206
 207    // Requests
 208    inline void set_visibility(uint32_t visibility) {
 209       ivi_controller_layer_set_visibility(this->proxy, visibility);
 210    }
 211
 212    inline void set_opacity(wl_fixed_t opacity) {
 213       ivi_controller_layer_set_opacity(this->proxy, opacity);
 214    }
 215
 216    inline void set_source_rectangle(int32_t x, int32_t y, int32_t width,
 217                                     int32_t height) {
 218       ivi_controller_layer_set_source_rectangle(this->proxy, x, y, width,
 219                                                 height);
 220    }
 221
 222    inline void set_destination_rectangle(int32_t x, int32_t y, int32_t width,
 223                                          int32_t height) {
 224       ivi_controller_layer_set_destination_rectangle(this->proxy, x, y, width,
 225                                                      height);
 226    }
 227
 228    inline void set_configuration(int32_t width, int32_t height) {
 229       ivi_controller_layer_set_configuration(this->proxy, width, height);
 230    }
 231
 232    inline void set_orientation(int32_t orientation) {
 233       ivi_controller_layer_set_orientation(this->proxy, orientation);
 234    }
 235
 236    inline void screenshot(const char *filename) {
 237       ivi_controller_layer_screenshot(this->proxy, filename);
 238    }
 239
 240    inline void clear_surfaces() {
 241       ivi_controller_layer_clear_surfaces(this->proxy);
 242    }
 243
 244    inline void add_surface(struct surface *surface) {
 245       ivi_controller_layer_add_surface(this->proxy, surface->proxy);
 246    }
 247
 248    inline void remove_surface(struct surface *surface) {
 249       ivi_controller_layer_remove_surface(this->proxy, surface->proxy);
 250    }
 251
 252    inline void set_render_order(struct wl_array *surfaces) {
 253       ivi_controller_layer_set_render_order(this->proxy, surfaces);
 254    }
 255 };
 256
 257 //
 258 //  ___  ___ _ __ ___  ___ _ __
 259 // / __|/ __| '__/ _ \/ _ \ '_ \
 260 // \__ \ (__| | |  __/  __/ | | |
 261 // |___/\___|_|  \___|\___|_| |_|
 262 //
 263 struct screen : public wayland_proxy<struct ivi_controller_screen>,
 264                 controlled_entity {
 265    screen(uint32_t i, struct controller *c, struct ivi_controller_screen *p);
 266 };
 267
 268 //                  _             _ _
 269 //   ___ ___  _ __ | |_ _ __ ___ | | | ___ _ __
 270 //  / __/ _ \| '_ \| __| '__/ _ \| | |/ _ \ '__|
 271 // | (_| (_) | | | | |_| | | (_) | | |  __/ |
 272 //  \___\___/|_| |_|\__|_|  \___/|_|_|\___|_|
 273 //
 274 struct controller : public wayland_proxy<struct ivi_controller> {
 275    std::map<uint32_t, std::unique_ptr<struct surface>> surfaces;
 276    std::map<uint32_t, std::unique_ptr<struct layer>> layers;
 277    std::map<uint32_t, std::unique_ptr<struct screen>> screens;
 278
 279    std::vector<std::function<void(struct controller *)>> pending;
 280
 281    void add_task(std::function<void(struct controller *)> &&f) {
 282       this->pending.emplace_back(f);
 283    }
 284    void execute_pending() {
 285       if (!this->pending.empty()) {
 286          for (auto &t : this->pending) {
 287             t(this);
 288          }
 289          this->pending.clear();
 290          ivi_controller_commit_changes(this->proxy);
 291       }
 292    }
 293
 294    controller(struct wl_registry *r, uint32_t name, uint32_t version);
 295    ~controller() override;
 296
 297    // Events
 298    // controller
 299    void controller_screen(uint32_t id, struct ivi_controller_screen *screen);
 300    void controller_layer(uint32_t id);
 301    void controller_surface(uint32_t id);
 302    void controller_error(int32_t oid, int32_t otype, int32_t code,
 303                          char const *text);
 304
 305    // surface
 306    void surface_visibility(uint32_t id, int32_t visibility);
 307    void surface_opacity(uint32_t id, float opacity);
 308    void surface_source_rectangle(uint32_t id, int32_t x, int32_t y,
 309                                  int32_t width, int32_t height);
 310    void surface_destination_rectangle(uint32_t id, int32_t x, int32_t y,
 311                                       int32_t width, int32_t height);
 312    void surface_configuration(uint32_t id, int32_t width, int32_t height);
 313    void surface_orientation(uint32_t id, int32_t orientation);
 314    void surface_pixelformat(uint32_t id, int32_t pixelformat);
 315    void surface_layer(uint32_t id, struct ivi_controller_layer *layer);
 316    void surface_stats(uint32_t id, uint32_t redraw_count, uint32_t frame_count,
 317                       uint32_t update_count, uint32_t pid,
 318                       const char *process_name);
 319    void surface_destroyed(uint32_t id);
 320    void surface_content(uint32_t id, int32_t content_state);
 321
 322    // layer
 323    void layer_visibility(uint32_t id, int32_t visibility);
 324    void layer_opacity(uint32_t id, float opacity);
 325    void layer_source_rectangle(uint32_t id, int32_t x, int32_t y, int32_t width,
 326                                int32_t height);
 327    void layer_destination_rectangle(uint32_t id, int32_t x, int32_t y,
 328                                     int32_t width, int32_t height);
 329    void layer_configuration(uint32_t id, int32_t width, int32_t height);
 330    void layer_orientation(uint32_t id, int32_t orientation);
 331    void layer_screen(uint32_t id, struct wl_output *screen);
 332    void layer_destroyed(uint32_t id);
 333 };
 334 }
 335
 336 #endif  // !WM_WAYLAND_HPP