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      1 /*
      2 * Copyright (c) 2015, 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 __PARTIAL_UPDATE_INTERFACE_H__
     26 #define __PARTIAL_UPDATE_INTERFACE_H__
     27 
     28 #include <core/display_interface.h>
     29 #include <core/buffer_allocator.h>
     30 #include <core/buffer_sync_handler.h>
     31 
     32 #include "hw_info_types.h"
     33 
     34 namespace sdm {
     35 
     36 struct PUConstraints {
     37   bool enable = true;             //!< If this is set, PU will be enabled or it will be disabled
     38   bool enable_cursor_pu = false;  //!< If this is set, PU will consider cursor layer in the layer
     39                                    //!< stack for cursor partial update
     40 };
     41 
     42 class PartialUpdateInterface {
     43  public:
     44   virtual DisplayError Start(const PUConstraints &pu_constraints) = 0;
     45   virtual DisplayError GenerateROI(HWLayersInfo *hw_layers_info) = 0;
     46   virtual DisplayError Stop() = 0;
     47 
     48  protected:
     49   virtual ~PartialUpdateInterface() { }
     50 };
     51 
     52 }  // namespace sdm
     53 
     54 #endif  // __PARTIAL_UPDATE_INTERFACE_H__
     55 
     56