1 /* 2 * Copyright (C) 2024 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #pragma once 18 19 #include <aidl/android/hardware/graphics/composer3/IComposerCallback.h> 20 21 #include "drm/DrmHwc.h" 22 #include "hwc2_device/HwcDisplay.h" 23 24 namespace aidl::android::hardware::graphics::composer3::impl { 25 26 class Hwc3Display : public ::android::FrontendDisplayBase { 27 public: 28 bool must_validate = false; 29 // Desired present time for a composition that has been validated but not 30 // yet presented. nullopt means it should be presented at the next vsync. 31 std::optional<int64_t> desired_present_time = std::nullopt; 32 33 int64_t next_layer_id = 1; 34 }; 35 36 class DrmHwcThree : public ::android::DrmHwc { 37 public: 38 explicit DrmHwcThree() = default; 39 ~DrmHwcThree() override; 40 41 void Init(std::shared_ptr<IComposerCallback> callback); 42 43 // DrmHwcInterface 44 void SendVsyncEventToClient(hwc2_display_t display_id, int64_t timestamp, 45 uint32_t vsync_period) const override; 46 void SendVsyncPeriodTimingChangedEventToClient( 47 hwc2_display_t display_id, int64_t timestamp) const override; 48 void SendRefreshEventToClient(uint64_t display_id) override; 49 void SendHotplugEventToClient(hwc2_display_t display_id, 50 DrmHwc::DisplayStatus display_status) override; 51 52 static auto GetHwc3Display(::android::HwcDisplay& display) 53 -> std::shared_ptr<Hwc3Display>; 54 55 private: 56 std::shared_ptr<IComposerCallback> composer_callback_; 57 }; 58 } // namespace aidl::android::hardware::graphics::composer3::impl 59