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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 __HWC_DISPLAY_EXTERNAL_H__
     26 #define __HWC_DISPLAY_EXTERNAL_H__
     27 
     28 #include "hwc_display.h"
     29 
     30 namespace sdm {
     31 
     32 class HWCDisplayExternal : public HWCDisplay {
     33  public:
     34   static int Create(CoreInterface *core_intf, hwc_procs_t const **hwc_procs, uint32_t primary_width,
     35                     uint32_t primary_height, qService::QService *qservice, bool use_primary_res,
     36                     HWCDisplay **hwc_display);
     37   static int Create(CoreInterface *core_intf, hwc_procs_t const **hwc_procs,
     38                     qService::QService *qservice, HWCDisplay **hwc_display);
     39   static void Destroy(HWCDisplay *hwc_display);
     40   virtual int Prepare(hwc_display_contents_1_t *content_list);
     41   virtual int Commit(hwc_display_contents_1_t *content_list);
     42   virtual void SetSecureDisplay(bool secure_display_active, bool force_flush);
     43   virtual int Perform(uint32_t operation, ...);
     44 
     45  protected:
     46   virtual uint32_t RoundToStandardFPS(float fps);
     47   virtual void PrepareDynamicRefreshRate(Layer *layer);
     48   int drc_enabled_ = 0;
     49   int drc_reset_fps_enabled_ = 0;
     50 
     51  private:
     52   HWCDisplayExternal(CoreInterface *core_intf, hwc_procs_t const **hwc_procs,
     53                      qService::QService *qservice);
     54   void ApplyScanAdjustment(hwc_rect_t *display_frame);
     55   static void GetDownscaleResolution(uint32_t primary_width, uint32_t primary_height,
     56                                      uint32_t *virtual_width, uint32_t *virtual_height);
     57   void ForceRefreshRate(uint32_t refresh_rate);
     58   uint32_t GetOptimalRefreshRate(bool one_updating_layer);
     59 };
     60 
     61 }  // namespace sdm
     62 
     63 #endif  // __HWC_DISPLAY_EXTERNAL_H__
     64 
     65