You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
65 lines
2.0 KiB
65 lines
2.0 KiB
/*
|
|
* Copyright (C) 2020 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_surfaces.h"
|
|
|
|
#include <android-base/logging.h>
|
|
#include <wayland-server-protocol.h>
|
|
|
|
#include "host/libs/wayland/wayland_surface.h"
|
|
|
|
namespace wayland {
|
|
|
|
Surface* Surfaces::GetOrCreateSurface(std::uint32_t id) {
|
|
std::unique_lock<std::mutex> lock(surfaces_mutex_);
|
|
|
|
auto [it, inserted] = surfaces_.try_emplace(id, nullptr);
|
|
|
|
std::unique_ptr<Surface>& surface_ptr = it->second;
|
|
if (inserted) {
|
|
surface_ptr.reset(new Surface(id, *this));
|
|
}
|
|
return surface_ptr.get();
|
|
}
|
|
|
|
void Surfaces::OnNextFrame(const FrameCallback& frame_callback) {
|
|
// Wraps the given callback in a std::package_task that can be waited upon
|
|
// for completion.
|
|
Surfaces::FrameCallbackPackaged frame_callback_packaged(
|
|
[&frame_callback](std::uint32_t display_number,
|
|
std::uint8_t* frame_pixels) {
|
|
frame_callback(display_number, frame_pixels);
|
|
});
|
|
|
|
{
|
|
std::unique_lock<std::mutex> lock(callback_mutex_);
|
|
callback_.emplace(&frame_callback_packaged);
|
|
}
|
|
|
|
// Blocks until the frame_callback_packaged was called.
|
|
frame_callback_packaged.get_future().get();
|
|
}
|
|
|
|
void Surfaces::HandleSurfaceFrame(std::uint32_t display_number,
|
|
std::uint8_t* frame_bytes) {
|
|
std::unique_lock<std::mutex> lock(callback_mutex_);
|
|
if (callback_) {
|
|
(*callback_.value())(display_number, frame_bytes);
|
|
callback_.reset();
|
|
}
|
|
}
|
|
|
|
} // namespace wayland
|