1 /* 2 * Copyright (c) 2016, 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 #include <utils/constants.h> 30 #include <utils/debug.h> 31 #include "hwc_callbacks.h" 32 33 #define __CLASS__ "HWCCallbacks" 34 35 namespace sdm { 36 37 void HWCCallbacks::Hotplug(hwc2_display_t display, HWC2::Connection state) { 38 if (hotplug_) { 39 hotplug_(hotplug_data_, display, INT32(state)); 40 } 41 } 42 43 void HWCCallbacks::Refresh(hwc2_display_t display) { 44 if (refresh_) { 45 refresh_(refresh_data_, display); 46 } 47 } 48 49 void HWCCallbacks::Vsync(hwc2_display_t display, int64_t timestamp) { 50 if (vsync_) { 51 vsync_(vsync_data_, display, timestamp); 52 } 53 } 54 55 HWC2::Error HWCCallbacks::Register(HWC2::Callback descriptor, hwc2_callback_data_t callback_data, 56 hwc2_function_pointer_t pointer) { 57 switch (descriptor) { 58 case HWC2::Callback::Hotplug: 59 hotplug_data_ = callback_data; 60 hotplug_ = reinterpret_cast<HWC2_PFN_HOTPLUG>(pointer); 61 break; 62 case HWC2::Callback::Refresh: 63 refresh_data_ = callback_data; 64 refresh_ = reinterpret_cast<HWC2_PFN_REFRESH>(pointer); 65 break; 66 case HWC2::Callback::Vsync: 67 vsync_data_ = callback_data; 68 vsync_ = reinterpret_cast<HWC2_PFN_VSYNC>(pointer); 69 break; 70 default: 71 return HWC2::Error::BadParameter; 72 } 73 return HWC2::Error::None; 74 } 75 76 } // namespace sdm 77
