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