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