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/*
* Copyright © 2013 Canonical Ltd.
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 3,
* as published by the Free Software Foundation.
*
* 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 <http://www.gnu.org/licenses/>.
*
* Authored by: Kevin DuBois <kevin.dubois@canonical.com>
*/
#ifndef MIR_GRAPHICS_ANDROID_HWC_COMMON_DEVICE_H_
#define MIR_GRAPHICS_ANDROID_HWC_COMMON_DEVICE_H_
#include "display_device.h"
#include <hardware/hwcomposer.h>
#include <mutex>
#include <condition_variable>
namespace mir
{
namespace graphics
{
namespace android
{
class HWCVsyncCoordinator;
class HWCCommonDevice;
struct HWCCallbacks
{
hwc_procs_t hooks;
HWCCommonDevice* self;
};
class HWCCommonDevice : public DisplayDevice
{
public:
virtual ~HWCCommonDevice() noexcept;
void notify_vsync();
void mode(MirPowerMode mode);
protected:
HWCCommonDevice(std::shared_ptr<hwc_composer_device_1> const& hwc_device,
std::shared_ptr<HWCVsyncCoordinator> const& coordinator);
std::shared_ptr<hwc_composer_device_1> const hwc_device;
std::shared_ptr<HWCVsyncCoordinator> const coordinator;
std::unique_lock<std::mutex> lock_unblanked();
private:
int turn_screen_on() const noexcept(true);
int turn_screen_off() const noexcept(true);
HWCCallbacks callbacks;
std::mutex blanked_mutex;
std::condition_variable blanked_cond;
MirPowerMode current_mode;
};
}
}
}
#endif /* MIR_GRAPHICS_ANDROID_HWC_COMMON_DEVICE_H_ */
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