110 lines
3.3 KiB
C
110 lines
3.3 KiB
C
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/*
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* Copyright 2022 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include <android-base/unique_fd.h>
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#include <cutils/native_handle.h>
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#include <memory>
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#include <tuple>
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#include <vector>
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#include "Common.h"
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#include "DrmAtomicRequest.h"
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#include "DrmBuffer.h"
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#include "DrmConnector.h"
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#include "DrmCrtc.h"
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#include "DrmDisplay.h"
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#include "DrmEventListener.h"
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#include "DrmMode.h"
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#include "DrmPlane.h"
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#include "DrmProperty.h"
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#include "LruCache.h"
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#include "aemu/base/synchronization/AndroidLock.h"
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namespace aidl::android::hardware::graphics::composer3::impl {
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class DrmClient {
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public:
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DrmClient() = default;
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~DrmClient();
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DrmClient(const DrmClient&) = delete;
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DrmClient& operator=(const DrmClient&) = delete;
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DrmClient(DrmClient&&) = delete;
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DrmClient& operator=(DrmClient&&) = delete;
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HWC3::Error init();
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struct DisplayConfig {
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uint32_t id;
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uint32_t width;
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uint32_t height;
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uint32_t dpiX;
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uint32_t dpiY;
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uint32_t refreshRateHz;
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};
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HWC3::Error getDisplayConfigs(std::vector<DisplayConfig>* configs) const;
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using HotplugCallback = std::function<void(bool /*connected*/, //
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uint32_t /*id*/, //
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uint32_t /*width*/, //
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uint32_t /*height*/, //
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uint32_t /*dpiX*/, //
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uint32_t /*dpiY*/, //
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uint32_t /*refreshRate*/)>;
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HWC3::Error registerOnHotplugCallback(const HotplugCallback& cb);
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HWC3::Error unregisterOnHotplugCallback();
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uint32_t refreshRate() const { return mDisplays[0]->getRefreshRateUint(); }
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std::tuple<HWC3::Error, std::shared_ptr<DrmBuffer>> create(const native_handle_t* handle);
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std::tuple<HWC3::Error, ::android::base::unique_fd> flushToDisplay(
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int display, const std::shared_ptr<DrmBuffer>& buffer,
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::android::base::borrowed_fd inWaitSyncFd);
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std::optional<std::vector<uint8_t>> getEdid(uint32_t id);
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private:
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using DrmPrimeBufferHandle = uint32_t;
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// Grant visibility to destroyDrmFramebuffer to DrmBuffer.
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friend class DrmBuffer;
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HWC3::Error destroyDrmFramebuffer(DrmBuffer* buffer);
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// Grant visibility for handleHotplug to DrmEventListener.
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bool handleHotplug();
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bool loadDrmDisplays();
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// Drm device.
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::android::base::unique_fd mFd;
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mutable ::android::base::guest::ReadWriteLock mDisplaysMutex;
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std::vector<std::unique_ptr<DrmDisplay>> mDisplays;
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std::optional<HotplugCallback> mHotplugCallback;
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std::unique_ptr<DrmEventListener> mDrmEventListener;
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};
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} // namespace aidl::android::hardware::graphics::composer3::impl
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