| /* |
| * Copyright (C) 2022 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef ANDROID_HWC_COMPOSER_H |
| #define ANDROID_HWC_COMPOSER_H |
| |
| #include <android-base/unique_fd.h> |
| |
| #include <functional> |
| #include <tuple> |
| #include <unordered_map> |
| #include <vector> |
| |
| #include "Common.h" |
| #include "DisplayChanges.h" |
| #include "DrmPresenter.h" |
| |
| namespace aidl::android::hardware::graphics::composer3::impl { |
| |
| class Display; |
| |
| class FrameComposer { |
| public: |
| virtual ~FrameComposer() {} |
| |
| virtual HWC3::Error init() = 0; |
| |
| using HotplugCallback = std::function<void(bool /*connected*/, // |
| uint32_t /*id*/, // |
| uint32_t /*width*/, // |
| uint32_t /*height*/, // |
| uint32_t /*dpiX*/, // |
| uint32_t /*dpiY*/, // |
| uint32_t /*refreshRate*/)>; |
| |
| virtual HWC3::Error registerOnHotplugCallback(const HotplugCallback& cb) = 0; |
| |
| virtual HWC3::Error unregisterOnHotplugCallback() = 0; |
| |
| virtual HWC3::Error onDisplayCreate(Display* display) = 0; |
| |
| virtual HWC3::Error onDisplayDestroy(Display* display) = 0; |
| |
| virtual HWC3::Error onDisplayClientTargetSet(Display* display) = 0; |
| |
| // Determines if this composer can compose the given layers and requests |
| // changes for layers that can't not be composed. |
| virtual HWC3::Error validateDisplay(Display* display, |
| DisplayChanges* outChanges) = 0; |
| |
| // Performs the actual composition of layers and presents the composed result |
| // to the display. |
| virtual HWC3::Error presentDisplay( |
| Display* display, ::android::base::unique_fd* outDisplayFence, |
| std::unordered_map<int64_t, ::android::base::unique_fd>* |
| outLayerFences) = 0; |
| |
| virtual HWC3::Error onActiveConfigChange(Display* display) = 0; |
| |
| virtual const DrmPresenter* getDrmPresenter() const { |
| return nullptr; |
| } |
| }; |
| |
| } // namespace aidl::android::hardware::graphics::composer3::impl |
| |
| #endif |