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      1 /*
      2 * Copyright (c) 2015 - 2016, The Linux Foundation. All rights reserved.
      3 *
      4 * Redistribution and use in source and binary forms, with or without modification, are permitted
      5 * provided that the following conditions are met:
      6 *    * Redistributions of source code must retain the above copyright notice, this list of
      7 *      conditions and the following disclaimer.
      8 *    * Redistributions in binary form must reproduce the above copyright notice, this list of
      9 *      conditions and the following disclaimer in the documentation and/or other materials provided
     10 *      with the distribution.
     11 *    * Neither the name of The Linux Foundation nor the names of its contributors may be used to
     12 *      endorse or promote products derived from this software without specific prior written
     13 *      permission.
     14 *
     15 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     16 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
     17 * NON-INFRINGEMENT ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
     18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
     19 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
     20 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
     21 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     22 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     23 */
     24 
     25 #ifndef __HW_VIRTUAL_H__
     26 #define __HW_VIRTUAL_H__
     27 
     28 #include "hw_device.h"
     29 
     30 namespace sdm {
     31 
     32 class HWVirtual : public HWDevice {
     33  public:
     34   static DisplayError Create(HWInterface **intf, HWInfoInterface *hw_info_intf,
     35                              BufferSyncHandler *buffer_sync_handler);
     36   static DisplayError Destroy(HWInterface *intf);
     37   virtual DisplayError SetVSyncState(bool enable) { return kErrorNotSupported; }
     38   virtual DisplayError SetMixerAttributes(const HWMixerAttributes &mixer_attributes) {
     39     return kErrorNotSupported;
     40   }
     41   virtual DisplayError GetMixerAttributes(HWMixerAttributes *mixer_attributes);
     42   virtual DisplayError SetDisplayAttributes(const HWDisplayAttributes &display_attributes);
     43 
     44  protected:
     45   HWVirtual(BufferSyncHandler *buffer_sync_handler, HWInfoInterface *hw_info_intf);
     46   virtual DisplayError Init();
     47   virtual DisplayError Validate(HWLayers *hw_layers);
     48 };
     49 
     50 }  // namespace sdm
     51 
     52 #endif  // __HW_VIRTUAL_H__
     53 
     54