| /* |
| * Copyright 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. |
| */ |
| |
| #pragma once |
| |
| #include <android-base/unique_fd.h> |
| #include <cutils/native_handle.h> |
| |
| #include <memory> |
| #include <tuple> |
| #include <vector> |
| |
| #include "Common.h" |
| #include "DrmAtomicRequest.h" |
| #include "DrmBuffer.h" |
| #include "DrmConnector.h" |
| #include "DrmCrtc.h" |
| #include "DrmDisplay.h" |
| #include "DrmEventListener.h" |
| #include "DrmMode.h" |
| #include "DrmPlane.h" |
| #include "DrmProperty.h" |
| #include "LruCache.h" |
| #include "aemu/base/synchronization/AndroidLock.h" |
| |
| namespace aidl::android::hardware::graphics::composer3::impl { |
| |
| class DrmClient { |
| public: |
| DrmClient() = default; |
| ~DrmClient(); |
| |
| DrmClient(const DrmClient&) = delete; |
| DrmClient& operator=(const DrmClient&) = delete; |
| |
| DrmClient(DrmClient&&) = delete; |
| DrmClient& operator=(DrmClient&&) = delete; |
| |
| HWC3::Error init(); |
| |
| struct DisplayConfig { |
| uint32_t id; |
| uint32_t width; |
| uint32_t height; |
| uint32_t dpiX; |
| uint32_t dpiY; |
| uint32_t refreshRateHz; |
| }; |
| |
| HWC3::Error getDisplayConfigs(std::vector<DisplayConfig>* configs) const; |
| |
| 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*/)>; |
| |
| HWC3::Error registerOnHotplugCallback(const HotplugCallback& cb); |
| HWC3::Error unregisterOnHotplugCallback(); |
| |
| uint32_t refreshRate() const { return mDisplays[0]->getRefreshRateUint(); } |
| |
| std::tuple<HWC3::Error, std::shared_ptr<DrmBuffer>> create(const native_handle_t* handle); |
| |
| std::tuple<HWC3::Error, ::android::base::unique_fd> flushToDisplay( |
| int display, const std::shared_ptr<DrmBuffer>& buffer, |
| ::android::base::borrowed_fd inWaitSyncFd); |
| |
| std::optional<std::vector<uint8_t>> getEdid(uint32_t id); |
| |
| private: |
| using DrmPrimeBufferHandle = uint32_t; |
| |
| // Grant visibility to destroyDrmFramebuffer to DrmBuffer. |
| friend class DrmBuffer; |
| HWC3::Error destroyDrmFramebuffer(DrmBuffer* buffer); |
| |
| // Grant visibility for handleHotplug to DrmEventListener. |
| bool handleHotplug(); |
| |
| bool loadDrmDisplays(); |
| |
| // Drm device. |
| ::android::base::unique_fd mFd; |
| |
| mutable ::android::base::guest::ReadWriteLock mDisplaysMutex; |
| std::vector<std::unique_ptr<DrmDisplay>> mDisplays; |
| |
| std::optional<HotplugCallback> mHotplugCallback; |
| |
| std::unique_ptr<DrmEventListener> mDrmEventListener; |
| }; |
| |
| } // namespace aidl::android::hardware::graphics::composer3::impl |