src/app.cpp

   1 //
   2 // Created by mfritzsc on 7/11/17.
   3 //
   4
   5 #include "app.hpp"
   6 #include "util.hpp"
   7 #include "json_helper.hpp"
   8 #include "wayland.hpp"
   9
  10 #include <cassert>
  11
  12 #include <json-c/json.h>
  13
  14 namespace wm {
  15
  16     namespace {
  17         App *g_app;
  18     }
  19
  20     App::App(wl::display *d)
  21             : api{this}, display{d}, controller{}, outputs()
  22     {
  23         assert(g_app == nullptr);
  24         g_app = this;
  25     }
  26
  27     int App::init() {
  28         if (!this->display->ok()) {
  29             return -1;
  30         }
  31
  32         this->display->r.add_global_handler("wl_output", [](wl_registry *r,
  33                                                             uint32_t name,
  34                                                             uint32_t v) {
  35             g_app->outputs.emplace_back(std::make_unique<wl::output>(r, name, v));
  36         });
  37
  38         this->display->r.add_global_handler(
  39                 "ivi_controller", [](wl_registry *r, uint32_t name, uint32_t v) {
  40                     g_app->controller =
  41                             std::make_unique<genivi::controller>(r, name, v);
  42
  43                     // XXX: This protocol needs the output, so lets just add our mapping
  44                     // here...
  45                     g_app->controller->add_proxy_to_id_mapping(
  46                             g_app->outputs.back()->proxy.get(),
  47                             wl_proxy_get_id(reinterpret_cast<struct wl_proxy *>(
  48                                                     g_app->outputs.back()->proxy.get())));
  49                 });
  50
  51         // First level objects
  52         this->display->roundtrip();
  53         // Second level objects
  54         this->display->roundtrip();
  55         // Third level objects
  56         this->display->roundtrip();
  57
  58         return init_layout();
  59     }
  60
  61     int App::dispatch_events() {
  62         int ret = this->display->dispatch();
  63         if (ret == -1) {
  64             logerror("wl_display_dipatch() returned error %d",
  65                      this->display->get_error());
  66             return -1;
  67         }
  68         this->display->flush();
  69
  70         // execute pending tasks, that is layout changes etc.
  71         this->controller->execute_pending();
  72         this->display->roundtrip();
  73
  74         return 0;
  75     }
  76
  77     //  _       _ _       _                         _    ____
  78     // (_)_ __ (_) |_    | | __ _ _   _  ___  _   _| |_ / /\ \
  79     // | | '_ \| | __|   | |/ _` | | | |/ _ \| | | | __| |  | |
  80     // | | | | | | |_    | | (_| | |_| | (_) | |_| | |_| |  | |
  81     // |_|_| |_|_|\__|___|_|\__,_|\__, |\___/ \__,_|\__| |  | |
  82     //              |_____|       |___/                 \_\/_/
  83     int App::init_layout() {
  84         if (!this->controller) {
  85             logerror("ivi_controller global not available");
  86             return -1;
  87         }
  88
  89         if (this->outputs.empty()) {
  90             logerror("no output was set up!");
  91             return -1;
  92         }
  93
  94         auto &c = this->controller;
  95
  96         auto &o = this->outputs.front();
  97         auto &s = c->screens.begin()->second;
  98         auto &layers = c->layers;
  99
 100         // XXX: Write output dimensions to ivi controller...
 101         c->output_size = genivi::size{uint32_t(o->width), uint32_t(o->height)};
 102
 103         // Clear scene
 104         layers.clear();
 105
 106         // Clear screen
 107         s->clear();
 108
 109         // Setup our dummy scene...
 110         c->layer_create(100, 0, 0);   // bottom layer, anything else
 111         c->layer_create(1000, 0, 0);  // top layer, mandelbrot
 112
 113         auto &l100 = c->layers[100];
 114         auto &l1k = c->layers[1000];
 115
 116         // Set layers fullscreen
 117         l100->set_destination_rectangle(0, 0, o->width, o->height);
 118         l1k->set_destination_rectangle(0, 0, o->width, o->height);
 119         l100->set_visibility(1);
 120         l1k->set_visibility(1);
 121
 122         // Add layers to screen
 123         s->set_render_order({100, 1000});
 124
 125         c->commit_changes();
 126
 127         this->display->flush();
 128
 129         return 0;
 130     }
 131
 132     binding_api::result_type binding_api::register_surface(uint32_t appid,
 133                                                           uint32_t surfid) {
 134         logdebug("%s appid %u surfid %u", __func__, appid, surfid);
 135         if (appid > 0xff) {
 136             return Err<json_object *>("invalid appid");
 137         }
 138
 139         if (surfid > 0xffff) {
 140             return Err<json_object *>("invalid surfaceid");
 141         }
 142
 143         return Ok(json_object_new_int((appid << 16) + surfid));
 144     }
 145
 146     binding_api::result_type binding_api::debug_layers() {
 147         logdebug("%s", __func__);
 148         return Ok(to_json(this->app->controller->lprops));
 149     }
 150
 151     binding_api::result_type binding_api::debug_surfaces() {
 152         logdebug("%s", __func__);
 153         return Ok(to_json(this->app->controller->sprops));
 154     }
 155
 156     binding_api::result_type binding_api::debug_status() {
 157         logdebug("%s", __func__);
 158         json_object *jr = json_object_new_object();
 159         json_object_object_add(jr, "surfaces", to_json(this->app->controller->sprops));
 160         json_object_object_add(jr, "layers", to_json(this->app->controller->lprops));
 161         return Ok(jr);
 162     }
 163
 164 } // namespace wm