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.
78 lines
1.8 KiB
78 lines
1.8 KiB
/*
|
|
* 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.
|
|
*/
|
|
|
|
|
|
#pragma once
|
|
|
|
#include <stdint.h>
|
|
#include <mutex>
|
|
|
|
#include <wayland-server-core.h>
|
|
|
|
namespace wayland {
|
|
|
|
class Surfaces;
|
|
|
|
// Tracks the buffer associated with a Wayland surface.
|
|
class Surface {
|
|
public:
|
|
Surface(std::uint32_t display_number, Surfaces& surfaces);
|
|
virtual ~Surface() = default;
|
|
|
|
Surface(const Surface& rhs) = delete;
|
|
Surface& operator=(const Surface& rhs) = delete;
|
|
|
|
Surface(Surface&& rhs) = delete;
|
|
Surface& operator=(Surface&& rhs) = delete;
|
|
|
|
struct Region {
|
|
int32_t x;
|
|
int32_t y;
|
|
int32_t w;
|
|
int32_t h;
|
|
};
|
|
|
|
void SetRegion(const Region& region);
|
|
|
|
// Sets the buffer of the pending frame.
|
|
void Attach(struct wl_resource* buffer);
|
|
|
|
// Commits the pending frame state.
|
|
void Commit();
|
|
|
|
private:
|
|
std::uint32_t display_number_;
|
|
Surfaces& surfaces_;
|
|
|
|
struct State {
|
|
uint32_t current_frame_number = 0;
|
|
|
|
// The buffer for the current committed frame.
|
|
struct wl_resource* current_buffer = nullptr;
|
|
|
|
// The buffer for the next frame.
|
|
struct wl_resource* pending_buffer = nullptr;
|
|
|
|
// The buffers expected dimensions.
|
|
Region region;
|
|
};
|
|
|
|
std::mutex state_mutex_;
|
|
State state_;
|
|
};
|
|
|
|
} // namespace wayland
|