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      1 /*
      2 * Copyright (c) 2014 - 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 __DISPLAY_VIRTUAL_H__
     26 #define __DISPLAY_VIRTUAL_H__
     27 
     28 #include <private/hw_info_types.h>
     29 #include "display_base.h"
     30 #include "dump_impl.h"
     31 
     32 namespace sdm {
     33 
     34 class HWVirtualInterface;
     35 
     36 class DisplayVirtual : public DisplayBase {
     37  public:
     38   DisplayVirtual(DisplayEventHandler *event_handler, HWInfoInterface *hw_info_intf,
     39                  BufferSyncHandler *buffer_sync_handler, CompManager *comp_manager,
     40                  RotatorInterface *rotator_intf);
     41   virtual DisplayError Init();
     42   virtual DisplayError Prepare(LayerStack *layer_stack);
     43   virtual DisplayError GetNumVariableInfoConfigs(uint32_t *count);
     44   virtual DisplayError GetConfig(uint32_t index, DisplayConfigVariableInfo *variable_info);
     45   virtual DisplayError GetActiveConfig(uint32_t *index);
     46   virtual DisplayError SetActiveConfig(uint32_t index) {
     47     return kErrorNotSupported;
     48   }
     49   virtual DisplayError SetActiveConfig(DisplayConfigVariableInfo *variable_info);
     50   virtual DisplayError SetMixerResolution(uint32_t width, uint32_t height) {
     51     return kErrorNotSupported;
     52   }
     53   virtual DisplayError SetVSyncState(bool enable) {
     54     return kErrorNotSupported;
     55   }
     56   virtual DisplayError SetRefreshRate(uint32_t refresh_rate) {
     57     return kErrorNotSupported;
     58   }
     59   virtual DisplayError GetMixerResolution(uint32_t *width, uint32_t *height) {
     60     return kErrorNotSupported;
     61   }
     62   virtual DisplayError SetDetailEnhancerData(const DisplayDetailEnhancerData &de_data) {
     63     return kErrorNotSupported;
     64   }
     65   virtual DisplayError ValidateGPUTargetParams() {
     66     // TODO(user): Validate GPU target for virtual display when query display attributes
     67     // on virtual display is functional.
     68     return kErrorNone;
     69   }
     70 };
     71 
     72 }  // namespace sdm
     73 
     74 #endif  // __DISPLAY_VIRTUAL_H__
     75 
     76