framework/platform/android/tcuAndroidWindow.hpp

#ifndef _TCUANDROIDWINDOW_HPP
#define _TCUANDROIDWINDOW_HPP
/*-------------------------------------------------------------------------
 * drawElements Quality Program Tester Core
 * ----------------------------------------
 *
 * Copyright 2014 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.
 *
 *//*!
 * \file
 * \brief Android window.
 *//*--------------------------------------------------------------------*/

#include "tcuDefs.hpp"
#include "tcuVector.hpp"
#include "deSemaphore.hpp"
#include "deMutex.hpp"

#include <vector>

#include <android/native_window.h>

namespace tcu
{
namespace Android
{

// \note Window is thread-safe, WindowRegistry is not

class Window
{
public:
    enum State
    {
        STATE_AVAILABLE = 0,
        STATE_IN_USE,
        STATE_PENDING_DESTROY,
        STATE_READY_FOR_DESTROY,
        STATE_ACQUIRED_FOR_DESTROY,

        STATE_LAST
    };

    Window(ANativeWindow *window);
    ~Window(void);

    bool tryAcquire(void);
    void release(void);

    void markForDestroy(void);
    bool isPendingDestroy(void) const;
    bool tryAcquireForDestroy(bool onlyMarked);

    ANativeWindow *getNativeWindow(void)
    {
        return m_window;
    }

    void setBuffersGeometry(int width, int height, int32_t format);

    IVec2 getSize(void) const;

private:
    Window(const Window &other);
    Window &operator=(const Window &other);

    ANativeWindow *m_window;
    mutable de::Mutex m_stateLock;
    State m_state;
};

class WindowRegistry
{
public:
    WindowRegistry(void);
    ~WindowRegistry(void);

    void addWindow(ANativeWindow *window);
    void destroyWindow(ANativeWindow *window);

    Window *tryAcquireWindow(void);

    void garbageCollect(void);

private:
    std::vector<Window *> m_windows;
};

} // namespace Android
} // namespace tcu

#endif // _TCUANDROIDWINDOW_HPP