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/*
* Copyright (C) 2019 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "host/libs/wayland/wayland_server.h"
#include <android-base/logging.h>
#include <wayland-server-core.h>
#include <wayland-server-protocol.h>
#include "host/libs/wayland/wayland_compositor.h"
#include "host/libs/wayland/wayland_dmabuf.h"
#include "host/libs/wayland/wayland_seat.h"
#include "host/libs/wayland/wayland_shell.h"
#include "host/libs/wayland/wayland_subcompositor.h"
#include "host/libs/wayland/wayland_surface.h"
#include "host/libs/wayland/wayland_utils.h"
namespace wayland {
namespace internal {
struct WaylandServerState {
struct wl_display* display_ = nullptr;
Surfaces surfaces_;
};
} // namespace internal
WaylandServer::WaylandServer(int wayland_socket_fd) {
server_thread_ =
std::thread(
[this, wayland_socket_fd]() {
ServerLoop(wayland_socket_fd);
});
std::unique_lock<std::mutex> lock(server_ready_mutex_);
server_ready_cv_.wait(lock, [&]{return server_ready_; });
}
WaylandServer::~WaylandServer() {
wl_display_terminate(server_state_->display_);
server_thread_.join();
}
void WaylandServer::ServerLoop(int fd) {
server_state_.reset(new internal::WaylandServerState());
server_state_->display_ = wl_display_create();
CHECK(server_state_->display_ != nullptr)
<< "Failed to start WaylandServer: failed to create display";
if (fd < 0) {
const char* socket = wl_display_add_socket_auto(server_state_->display_);
CHECK(socket != nullptr)
<< "Failed to start WaylandServer: failed to create socket";
LOG(INFO) << "WaylandServer running on socket " << socket;
} else {
CHECK(wl_display_add_socket_fd(server_state_->display_, fd) == 0)
<< "Failed to start WaylandServer: failed to use fd " << fd;
LOG(INFO) << "WaylandServer running on socket " << fd;
}
wl_display_init_shm(server_state_->display_);
BindCompositorInterface(server_state_->display_, &server_state_->surfaces_);
BindDmabufInterface(server_state_->display_);
BindSubcompositorInterface(server_state_->display_);
BindSeatInterface(server_state_->display_);
BindShellInterface(server_state_->display_);
{
std::lock_guard<std::mutex> lock(server_ready_mutex_);
server_ready_ = true;
}
server_ready_cv_.notify_one();
wl_display_run(server_state_->display_);
wl_display_destroy(server_state_->display_);
}
void WaylandServer::OnNextFrame(const Surfaces::FrameCallback& callback) {
server_state_->surfaces_.OnNextFrame(callback);
}
} // namespace wayland