1 /* 2 * Copyright (c) 2018-2020, 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_DUMMY_H__ 31 #define __HWC_DISPLAY_DUMMY_H__ 32 33 #include "hwc_display.h" 34 #include "display_null.h" 35 36 namespace sdm { 37 38 class HWCDisplayDummy : public HWCDisplay { 39 public: 40 static int Create(CoreInterface *core_intf, BufferAllocator *buffer_allocator, 41 HWCCallbacks *callbacks, HWCDisplayEventHandler *event_handler, 42 qService::QService *qservice, hwc2_display_t id, int32_t sdm_id, 43 HWCDisplay **hwc_display); 44 static void Destroy(HWCDisplay *hwc_display); 45 virtual HWC2::Error Validate(uint32_t *out_num_types, uint32_t *out_num_requests); 46 virtual HWC2::Error Present(shared_ptr<Fence> *out_retire_fence); 47 virtual HWC2::Error GetActiveConfig(hwc2_config_t *out_config); 48 virtual HWC2::Error UpdatePowerMode(HWC2::PowerMode mode); 49 virtual HWC2::Error SetColorMode(ColorMode mode); 50 virtual HWC2::Error SetVsyncEnabled(HWC2::Vsync enabled); 51 virtual bool VsyncEnablePending(); 52 virtual HWC2::Error SetClientTarget(buffer_handle_t target, shared_ptr<Fence> acquire_fence, 53 int32_t dataspace, hwc_region_t damage); 54 virtual HWC2::Error GetDisplayVsyncPeriod(VsyncPeriodNanos *vsync_period); 55 virtual HWC2::Error SetDisplayVsyncPeriod(VsyncPeriodNanos vsync_period); 56 private: 57 HWCDisplayDummy(CoreInterface *core_intf, BufferAllocator *buffer_allocator, 58 HWCCallbacks *callbacks, HWCDisplayEventHandler *event_handler, 59 qService::QService *qservice, hwc2_display_t id, int32_t sdm_id); 60 DisplayNull display_null_; 61 bool vsync_enable_ = false; 62 VsyncPeriodNanos vsync_period_ = 16600000; 63 }; 64 65 } // namespace sdm 66 67 #endif // __HWC_DISPLAY_DUMMY_H__ 68