- Setup wayland display and window. Window surface is created and appears in hotbar. Window is not visible.

source/platform/linux/wayland/server.cpp

@@ -0,0 +1,185 @@
+// =====================================================================================================================
+//  fennec, a free and open source game engine
+//  Copyright © 2025  Medusa Slockbower
+//
+//  This program is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+//
+//  This program is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU General Public License for more details.
+//
+//  You should have received a copy of the GNU General Public License
+//  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+// =====================================================================================================================
+
+///
+/// \file wayland_server.h
+/// \brief
+///
+///
+/// \details
+/// \author Medusa Slockbower
+///
+/// \copyright Copyright © 2025 Medusa Slockbower ([GPLv3](https://www.gnu.org/licenses/gpl-3.0.en.html))
+///
+///
+
+#include <fennec/core/logger.h>
+#include <fennec/platform/linux/wayland/server.h>
+#include <fennec/platform/linux/wayland/window.h>
+#include <fennec/platform/linux/wayland/lib/loader.h>
+#include <fennec/platform/linux/wayland/lib/wayland.h>
+#include <fennec/platform/linux/wayland/lib/headers/xdg-shell-client-protocols.h>
+
+namespace fennec
+{
+
+wayland_server::wayland_server(fennec::platform* p)
+	: display_server(p)
+	, display(nullptr), registry(nullptr), compositor(nullptr), seat(nullptr), fifo(false) {
+
+	// load shared lib
+	if (libwayland::load_symbols(platform)) {
+		return;
+	}
+}
+
+wayland_server::~wayland_server() {
+
+	// ensure we did disconnect
+	wayland_server::disconnect();
+
+	// unload shared lib
+	libwayland::unload_symbols(platform);
+}
+
+void wayland_server::connect() {
+
+	static constexpr wl_registry_listener listener = {
+		listen_global, listen_global_remove
+	};
+
+	if (display != nullptr) {
+		return;
+	}
+
+	// connect to wayland
+	display = wl_display_connect(nullptr);
+	if (display == nullptr) {
+		return;
+	}
+
+	// get the registry
+	registry = wl_display_get_registry(display);
+	if (registry == nullptr) {
+		assert(registry, "Failed to acquire registry from Wayland");
+		disconnect();
+		return;
+	}
+
+	// Aquire interfaces
+	wl_registry_add_listener(registry, &listener, this);
+	wl_display_roundtrip(display);
+
+	// Check for fifo v1, wayland's builtin fifo only allows one frame to be in flight at a time
+	if (not fifo) {
+		assert(fifo, "Compositor does not support fifo-v1 protocol, falling back to other display protocols.");
+		disconnect();
+		return;
+	}
+}
+
+void wayland_server::disconnect() {
+
+	// early escape
+	if (display == nullptr) {
+		return;
+	}
+
+	// check compositor
+	if (compositor) {
+		wl_compositor_destroy(compositor);
+	}
+
+	// check registry
+	if (registry) {
+		wl_registry_destroy(registry);
+	}
+
+	// disconnect from wayland
+	wl_display_flush(display);
+	wl_display_disconnect(display);
+
+	// clear vars
+	display     = nullptr;
+	registry   = nullptr;
+	compositor = nullptr;
+	seat       = nullptr;
+	fifo       = false;
+}
+
+bool wayland_server::connected() const {
+	return display != nullptr;
+}
+
+window* wayland_server::create_window(const window::config& conf) {
+	size_t id = windows.insert(new wayland_window(this, windows.next_id(), conf));
+	return windows[id];
+}
+
+void wayland_server::listen_global(void* data, wl_registry* reg, uint32_t id, const char* name, uint32_t version) {
+	static constexpr wl_seat_listener seat_listener = {
+		listen_seat_capabilities, listen_seat_name
+	};
+
+	static constexpr xdg_wm_base_listener xdg_listener = {
+		listen_xdg_ping
+	};
+
+	wayland_server* server = static_cast<wayland_server*>(data);
+	const cstring interface = cstring(name, strlen(name) + 1);
+
+	if (interface == "wl_compositor") {
+		server->compositor = static_cast<wl_compositor*>(wl_registry_bind(reg, id, &wl_compositor_interface, version));
+		return;
+	}
+
+	if (interface == "xdg_wm_base") {
+		server->xdg = static_cast<xdg_wm_base*>(wl_registry_bind(reg, id, &xdg_wm_base_interface, version));
+		xdg_wm_base_add_listener(server->xdg, &xdg_listener, server);
+		return;
+	}
+
+	if (interface == "wl_seat") {
+		server->seat = static_cast<wl_seat*>(wl_registry_bind(reg, id, &wl_seat_interface, version));
+		wl_seat_add_listener(server->seat, &seat_listener, server);
+		return;
+	}
+
+	if (interface == "wp_fifo_manager_v1") {
+		server->fifo = true;
+		return;
+	}
+}
+
+void wayland_server::listen_global_remove(void*, wl_registry*, uint32_t) {
+
+}
+
+
+void wayland_server::listen_seat_capabilities(void*, wl_seat*, uint32_t) {
+
+}
+
+void wayland_server::listen_seat_name(void*, wl_seat*, const char*) {}
+
+
+void wayland_server::listen_xdg_ping(void*, xdg_wm_base* xdg, uint32_t serial) {
+	xdg_wm_base_pong(xdg, serial);
+}
+
+}