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/*
* Copyright (c) 2013 The Linux Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of The Linux Foundation. nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef HWC_AD_H
#define HWC_AD_H
#include <overlayUtils.h>
#include <hwc_utils.h>
struct hwc_context_t;
namespace qhwc {
class AssertiveDisplay {
public:
AssertiveDisplay(hwc_context_t *ctx);
void markDoable(hwc_context_t *ctx, const hwc_display_contents_1_t* list);
bool prepare(hwc_context_t *ctx, const hwc_rect_t& crop,
const overlay::utils::Whf& whf,
const private_handle_t *hnd);
bool draw(hwc_context_t *ctx, int fd, uint32_t offset);
//Resets a few members on each draw round
void reset() { mDoable = false;
mDest = overlay::utils::OV_INVALID;
}
bool isDoable() const { return mDoable; }
int getDstFd() const;
uint32_t getDstOffset() const;
private:
bool mDoable;
bool mTurnedOff;
//State of feature existence on certain devices and configs.
bool mFeatureEnabled;
overlay::utils::eDest mDest;
void turnOffAD();
};
}
#endif
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