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      1 /*
      2  * Copyright (c) 2016, The Linux Foundation. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions are
      6  * met:
      7  *    * Redistributions of source code must retain the above copyright
      8  *      notice, this list of conditions and the following disclaimer.
      9  *    * Redistributions in binary form must reproduce the above
     10  *      copyright notice, this list of conditions and the following
     11  *      disclaimer in the documentation and/or other materials provided
     12  *      with the distribution.
     13  *    * Neither the name of The Linux Foundation. nor the names of its
     14  *      contributors may be used to endorse or promote products derived
     15  *      from this software without specific prior written permission.
     16  *
     17  * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
     18  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
     19  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
     20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
     21  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     22  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     23  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
     24  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
     25  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
     26  * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
     27  * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     28  */
     29 
     30 #ifndef __HWC_CALLBACKS_H__
     31 #define __HWC_CALLBACKS_H__
     32 
     33 #define HWC2_INCLUDE_STRINGIFICATION
     34 #define HWC2_USE_CPP11
     35 #include <hardware/hwcomposer2.h>
     36 #undef HWC2_INCLUDE_STRINGIFICATION
     37 #undef HWC2_USE_CPP11
     38 
     39 namespace sdm {
     40 
     41 class HWCCallbacks {
     42  public:
     43   void Hotplug(hwc2_display_t display, HWC2::Connection state);
     44   void Refresh(hwc2_display_t display);
     45   void Vsync(hwc2_display_t display, int64_t timestamp);
     46   HWC2::Error Register(HWC2::Callback, hwc2_callback_data_t callback_data,
     47                        hwc2_function_pointer_t pointer);
     48 
     49  private:
     50   hwc2_callback_data_t hotplug_data_ = nullptr;
     51   hwc2_callback_data_t refresh_data_ = nullptr;
     52   hwc2_callback_data_t vsync_data_ = nullptr;
     53 
     54   HWC2_PFN_HOTPLUG hotplug_ = nullptr;
     55   HWC2_PFN_REFRESH refresh_ = nullptr;
     56   HWC2_PFN_VSYNC vsync_ = nullptr;
     57 };
     58 
     59 }  // namespace sdm
     60 
     61 #endif  // __HWC_CALLBACKS_H__
     62