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