1 /* 2 * Copyright (c) 2014-2019, The Linux Foundation. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * Redistributions of source code must retain the above copyright 8 notice, this list of conditions and the following disclaimer. 9 * Redistributions in binary form must reproduce the above 10 copyright notice, this list of conditions and the following 11 disclaimer in the documentation and/or other materials provided 12 with the distribution. 13 * Neither the name of The Linux Foundation nor the names of its 14 contributors may be used to endorse or promote products derived 15 from this software without specific prior written permission. 16 17 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED 18 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS 21 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 24 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 25 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 26 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN 27 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30 #ifndef __HWC_DISPLAY_PLUGGABLE_H__ 31 #define __HWC_DISPLAY_PLUGGABLE_H__ 32 33 #include "hwc_display.h" 34 #include "display_null.h" 35 #include "hwc_display_event_handler.h" 36 37 namespace sdm { 38 39 class HWCDisplayPluggable : public HWCDisplay { 40 public: 41 static int Create(CoreInterface *core_intf, HWCBufferAllocator *buffer_allocator, 42 HWCCallbacks *callbacks, HWCDisplayEventHandler *event_handler, 43 qService::QService *qservice, hwc2_display_t id, 44 int32_t sdm_id, uint32_t primary_width, uint32_t primary_height, 45 bool use_primary_res, HWCDisplay **hwc_display); 46 static void Destroy(HWCDisplay *hwc_display); 47 virtual int Init(); 48 virtual HWC2::Error Validate(uint32_t *out_num_types, uint32_t *out_num_requests); 49 virtual HWC2::Error Present(int32_t *out_retire_fence); 50 virtual int SetState(bool connected); 51 virtual DisplayError Flush(); 52 virtual HWC2::Error GetColorModes(uint32_t *out_num_modes, ColorMode *out_modes); 53 virtual HWC2::Error GetRenderIntents(ColorMode mode, uint32_t *out_num_intents, 54 RenderIntent *out_intents); 55 virtual HWC2::Error SetColorMode(ColorMode mode); 56 virtual HWC2::Error SetColorModeWithRenderIntent(ColorMode mode, RenderIntent intent); 57 virtual HWC2::Error UpdatePowerMode(HWC2::PowerMode mode); 58 59 private: 60 HWCDisplayPluggable(CoreInterface *core_intf, HWCBufferAllocator *buffer_allocator, 61 HWCCallbacks *callbacks, HWCDisplayEventHandler *event_handler, 62 qService::QService *qservice, hwc2_display_t id, int32_t sdm_id); 63 void ApplyScanAdjustment(hwc_rect_t *display_frame); 64 void GetUnderScanConfig(); 65 static void GetDownscaleResolution(uint32_t primary_width, uint32_t primary_height, 66 uint32_t *virtual_width, uint32_t *virtual_height); 67 68 DisplayNullExternal display_null_; 69 int underscan_width_ = 0; 70 int underscan_height_ = 0; 71 }; 72 73 } // namespace sdm 74 75 #endif // __HWC_DISPLAY_PLUGGABLE_H__ 76