-#include "util.h"
+#include "util.hpp"
+#include "wayland.hpp"
-#include "ivi-controller-client-protocol.h"
+#include <algorithm>
+#include <json.h>
-#include <stdlib.h>
-#include <string.h>
+#define AFB_BINDING_VERSION 2
-#include <wayland-client.h>
+extern "C" {
+#include <afb/afb-binding.h>
+#include <systemd/sd-event.h>
+}
-#include <map>
-#include <memory>
-#include <string>
-#include <vector>
+#include <json.hpp>
-struct ivi_surface;
-struct ivi_layer;
+using json = nlohmann::json;
-struct conn {
- wl_display *d;
- wl_registry *r;
- ivi_controller *c;
- std::vector<std::unique_ptr<wl_output, void (*)(wl_output *)>> outputs;
- std::map<uint32_t, std::unique_ptr<ivi_layer>> layers;
- std::map<uint32_t, std::unique_ptr<ivi_surface>> surfaces;
+namespace {
+struct wayland {
+ std::unique_ptr<wl::display> display;
+ std::unique_ptr<genivi::controller> controller;
+ std::vector<std::unique_ptr<wl::output>> outputs;
+ sd_event_source *event_source;
- ~conn();
+ wayland()
+ : display(new wl::display),
+ controller(nullptr),
+ outputs(),
+ event_source{} {}
};
-struct ivi_surface {
- ivi_controller_surface *controller;
- uint32_t id;
- conn *con;
- ivi_surface(ivi_controller_surface *c, uint32_t i, conn *co)
- : controller(c), id(i), con(co) {}
- ~ivi_surface() { ivi_controller_surface_destroy(this->controller, 1); }
-};
+struct wayland *g_wayland;
+
+// _ _ _ _ _ ____
+// (_)_ __ (_) |_ | | __ _ _ _ ___ _ _| |_ / /\ \
+// | | '_ \| | __| | |/ _` | | | |/ _ \| | | | __| | | |
+// | | | | | | |_ | | (_| | |_| | (_) | |_| | |_| | | |
+// |_|_| |_|_|\__|___|_|\__,_|\__, |\___/ \__,_|\__| | | |
+// |_____| |___/ \_\/_/
+char const *init_layout() {
+ if (!g_wayland->controller) {
+ return "ivi_controller global not available";
+ }
-struct ivi_layer {
- ivi_controller_layer *controller;
- uint32_t id;
- conn *con;
- ivi_layer(ivi_controller_layer *c, uint32_t i, conn *co)
- : controller(c), id(i), con(co) {}
- ~ivi_layer() { ivi_controller_layer_destroy(this->controller, 1); }
-};
+ if (g_wayland->outputs.empty()) {
+ return "no output was set up!";
+ }
-conn::~conn() {
- this->layers.clear();
- this->surfaces.clear();
- ivi_controller_destroy(this->c);
- this->outputs.clear();
- wl_registry_destroy(this->r);
- wl_display_disconnect(this->d);
-}
+ auto &c = g_wayland->controller;
-static ivi_controller_surface_listener cs_listener = {};
+ auto &o = g_wayland->outputs.front();
+ auto &s = c->screens.begin()->second;
+ auto &layers = c->layers;
-static ivi_controller_layer_listener cl_listener = {};
+ // XXX: Write output dimensions to ivi controller...
+ c->output_size = genivi::size{uint32_t(o->width), uint32_t(o->height)};
-static void c_screen(void *data, struct ivi_controller *ivi_controller,
- uint32_t id_screen, struct ivi_controller_screen *screen) {
- lognotice("ivi_controller @ %p screen %u (%x) @ %p", ivi_controller,
- id_screen, id_screen, screen);
-}
+ // Clear scene
+ layers.clear();
-static void c_layer(void *data, struct ivi_controller *ivi_controller,
- uint32_t id_layer) {
- lognotice("ivi_controller @ %p layer %u (%x)", ivi_controller, id_layer,
- id_layer);
- auto c = static_cast<conn *>(data);
- auto i = std::make_unique<ivi_layer>(
- ivi_controller_layer_create(c->c, id_layer, 0, 0), id_layer, c);
- ivi_controller_layer_add_listener(i->controller, &cl_listener, i.get());
- c->layers[id_layer] = std::move(i);
-}
+ // Clear screen
+ s->clear();
-static void c_surface(void *data, struct ivi_controller *ivi_controller,
- uint32_t id_surface) {
- lognotice("ivi_controller @ %p surface %u (%x)", ivi_controller, id_surface,
- id_surface);
- auto c = static_cast<conn *>(data);
- auto i = std::make_unique<ivi_surface>(
- ivi_controller_surface_create(c->c, id_surface), id_surface, c);
- ivi_controller_surface_add_listener(i->controller, &cs_listener, i.get());
- c->surfaces[id_surface] = std::move(i);
-}
+ // Setup our dummy scene...
+ c->layer_create(100, 0, 0); // bottom layer, anything else
+ c->layer_create(1000, 0, 0); // top layer, mandelbrot
-static void c_error(void *data, struct ivi_controller *ivi_controller,
- int32_t object_id, int32_t object_type, int32_t error_code,
- const char *error_text) {
- lognotice("ivi_controller @ %p error o %i t %i c %i text %s", ivi_controller,
- object_id, object_type, error_code, error_text);
-}
+ auto &l100 = c->layers[100];
+ auto &l1k = c->layers[1000];
-static struct ivi_controller_listener c_listener = {c_screen, c_layer,
- c_surface, c_error};
+ // Set layers fullscreen
+ l100->set_destination_rectangle(0, 0, o->width, o->height);
+ l1k->set_destination_rectangle(0, 0, o->width, o->height);
+ l100->set_visibility(1);
+ l1k->set_visibility(1);
-static void o_geometry(void *data, struct wl_output *wl_output, int32_t x,
- int32_t y, int32_t physical_width,
- int32_t physical_height, int32_t subpixel,
- const char *make, const char *model, int32_t transform) {
- lognotice("output @ %p x %i y %i w %i h %i spel %x make %s model %s tx %i",
- wl_output, x, y, physical_width, physical_height, subpixel, make,
- model, transform);
-}
+ // Add layers to screen
+ s->set_render_order({100, 1000});
-static void o_mode(void *data, struct wl_output *wl_output, uint32_t flags,
- int32_t width, int32_t height, int32_t refresh) {
- lognotice("output @ %p mode f %x w %i h %i r %i", wl_output, flags, width,
- height, refresh);
-}
+ c->commit_changes();
-static void o_done(void *data, struct wl_output *wl_output) {
- lognotice("output @ %p done");
-}
+ g_wayland->display->flush();
-static void o_scale(void *data, struct wl_output *wl_output, int32_t factor) {
- lognotice("output @ %p scale %i", wl_output, factor);
+ return nullptr;
}
-static struct wl_output_listener o_listener = {o_geometry, o_mode, o_done,
- o_scale};
-
-static void r_global(void *data, struct wl_registry *r, uint32_t name,
- char const *iface, uint32_t v) {
- struct conn *c = static_cast<conn *>(data);
-
- if (strcmp(iface, "ivi_controller") == 0) {
- c->c = static_cast<ivi_controller *>(
- wl_registry_bind(r, name, &ivi_controller_interface, v));
- ivi_controller_add_listener(c->c, &c_listener, c);
- } else if (strcmp(iface, "wl_output") == 0) {
- auto o = static_cast<wl_output *>(
- wl_registry_bind(r, name, &wl_output_interface, v));
- c->outputs.emplace_back(std::unique_ptr<wl_output, void (*)(wl_output *)>(
- o, wl_output_destroy));
- wl_output_add_listener(o, &o_listener, c);
- } else {
- lognotice("registry @ %p global n %u i %s v %u", r, name, iface, v);
- }
-}
+// _ _ _ _ _ _ _ ____
+// | |__ (_)_ __ __| (_)_ __ __ _ (_)_ __ (_) |_ / /\ \
+// | '_ \| | '_ \ / _` | | '_ \ / _` | | | '_ \| | __| | | |
+// | |_) | | | | | (_| | | | | | (_| | | | | | | | |_| | | |
+// |_.__/|_|_| |_|\__,_|_|_| |_|\__, |___|_|_| |_|_|\__| | | |
+// |___/_____| \_\/_/
+int binding_init_() {
+ lognotice("WinMan ver. %s", WINMAN_VERSION_STRING);
-static void r_global_remove(void *data, struct wl_registry *r, uint32_t name) {}
+ if (g_wayland != nullptr) {
+ AFB_ERROR("Wayland context already initialized?");
+ return -1;
+ }
-static struct wl_registry_listener r_listener = {r_global, r_global_remove};
+ if (getenv("XDG_RUNTIME_DIR") == nullptr) {
+ AFB_ERROR("Environment variable XDG_RUNTIME_DIR not set");
+ return -1;
+ }
-int main(int argc, char **argv) {
- lognotice("WinMan ver. %s", WINMAN_VERSION_STRING);
+ g_wayland = new wayland;
+ if (!g_wayland->display->ok()) {
+ AFB_ERROR("Could not connect to compositor");
+ return -1;
+ }
- if (!getenv("XDG_RUNTIME_DIR"))
- fatal("Environment variable XDG_RUNTIME_DIR not set");
+ auto &d = g_wayland->display;
+ d->r.add_global_handler("wl_output", [](wl_registry *r, uint32_t name,
+ uint32_t v) {
+ g_wayland->outputs.emplace_back(std::make_unique<wl::output>(r, name, v));
+ });
- struct conn c = {};
+ d->r.add_global_handler("ivi_controller", [](wl_registry *r, uint32_t name,
+ uint32_t v) {
+ g_wayland->controller = std::make_unique<genivi::controller>(r, name, v);
- c.d = wl_display_connect(NULL);
- if (!c.d)
- fatal("Could not connect to compositor");
- c.r = wl_display_get_registry(c.d);
- wl_registry_add_listener(c.r, &r_listener, &c);
+ // XXX: This protocol needs the output, so lets just add our mapping
+ // here...
+ g_wayland->controller->add_proxy_to_id_mapping(
+ g_wayland->outputs.back()->proxy.get(),
+ wl_proxy_get_id(reinterpret_cast<struct wl_proxy *>(
+ g_wayland->outputs.back()->proxy.get())));
+ });
// First level objects
- wl_display_roundtrip(c.d);
+ d->roundtrip();
// Second level objects
- wl_display_roundtrip(c.d);
+ d->roundtrip();
+ // Third level objects
+ d->roundtrip();
- if (!c.c)
- fatal("ivi_controller global not available");
+ if (char const *e = init_layout()) {
+ AFB_ERROR("Could not init layout: %s", e);
+ return -1;
+ }
- // main loop
+ sd_event *ev = afb_daemon_get_event_loop();
+ sd_event_add_io(
+ ev, &g_wayland->event_source, g_wayland->display->get_fd(),
+ EPOLLIN | EPOLLHUP,
+ [](sd_event_source *evs, int fd, uint32_t events, void *data) {
+ if ((events & EPOLLHUP) != 0) {
+ sd_event_source_unref(evs);
+ delete g_wayland;
+ g_wayland = nullptr;
+ return 1;
+ }
+
+ if (events & EPOLLIN) {
+ int ret = g_wayland->display->dispatch();
+ g_wayland->display->flush();
+
+ // execute pending tasks, that is layout changes etc.
+ g_wayland->controller->execute_pending();
+ g_wayland->display->roundtrip();
+ return ret == -1 ? -1 : 0;
+ }
+
+ return 0;
+ },
+ g_wayland);
+
+ atexit([] { delete g_wayland; });
return 0;
}
+
+int binding_init() noexcept {
+ try {
+ return binding_init_();
+ } catch (std::exception &e) {
+ AFB_ERROR("Uncaught exception in binding_init(): %s", e.what());
+ }
+ return -1;
+}
+
+#define CHECK_WAYLAND() \
+ do { \
+ if (g_wayland == nullptr) { \
+ afb_req_fail(req, "failed", \
+ "Binding not initialized, did the compositor die?"); \
+ return; \
+ } \
+ } while (0)
+
+// _ _ _ _ ____
+// __| | ___| |__ _ _ __ _ ___| |_ __ _| |_ _ _ ___ / /\ \
+// / _` |/ _ \ '_ \| | | |/ _` | / __| __/ _` | __| | | / __| | | |
+// | (_| | __/ |_) | |_| | (_| | \__ \ || (_| | |_| |_| \__ \ | | |
+// \__,_|\___|_.__/ \__,_|\__, |___|___/\__\__,_|\__|\__,_|___/ | | |
+// |___/_____| \_\/_/
+void debug_status(struct afb_req req) noexcept {
+ // Quick and dirty, dump current surfaces and layers
+ AFB_REQ_DEBUG(req, "status");
+
+ CHECK_WAYLAND();
+
+ try {
+ json j;
+
+ if (!g_wayland->controller->surfaces.empty()) {
+ auto js = json::array();
+ for (auto const &i : g_wayland->controller->surfaces) {
+ auto const &r = i.second->dst_rect;
+ auto const &s = i.second->size;
+ js.push_back({{"id", i.first},
+ {"size", {s.w, s.h}},
+ {"dst_rect", {r.w, r.h, r.x, r.y}}});
+ }
+ j["surfaces"] = js;
+ }
+
+ if (!g_wayland->controller->layers.empty()) {
+ auto js = json::array();
+ for (auto const &i : g_wayland->controller->layers) {
+ auto const &r = i.second->dst_rect;
+ auto const &s = i.second->size;
+ js.push_back({{"id", i.first},
+ {"size", {s.w, s.h}},
+ {"dst_rect", {r.w, r.h, r.x, r.y}}});
+ }
+ j["layers"] = js;
+ }
+
+ afb_req_success(req, json_tokener_parse(j.dump().c_str()), "status");
+ } catch (std::exception &e) {
+ afb_req_fail_f(req, "failed", "Uncaught exception: %s", e.what());
+ }
+}
+
+void debug_surfaces(afb_req req) {
+ CHECK_WAYLAND();
+
+ auto a = json_object_new_array();
+
+ if (!g_wayland->controller->surfaces.empty()) {
+ for (auto const &i : g_wayland->controller->surfaces) {
+ json_object_array_add(a, json_object_new_int(i.first));
+ }
+ }
+
+ afb_req_success(req, a, "surfaces");
+}
+
+void debug_layers(afb_req req) {
+ CHECK_WAYLAND();
+
+ auto a = json_object_new_array();
+
+ if (!g_wayland->controller->layers.empty()) {
+ for (auto const &i : g_wayland->controller->layers) {
+ json_object_array_add(a, json_object_new_int(i.first));
+ }
+ }
+
+ afb_req_success(req, a, "surfaces");
+}
+
+const struct afb_verb_v2 verbs[] = {
+ {"status", debug_status, NULL, NULL, AFB_SESSION_NONE_V2},
+ {"layers", debug_layers, NULL, NULL, AFB_SESSION_NONE_V2},
+ {"surfaces", debug_surfaces, NULL, NULL, AFB_SESSION_NONE_V2},
+ {},
+};
+} // namespace
+
+extern "C" const struct afb_binding_v2 afbBindingV2 = {
+ "winman", NULL, NULL, verbs, NULL, binding_init, NULL, 1};