93 lines
3.0 KiB
C++
93 lines
3.0 KiB
C++
/*
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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/logging.h>
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#include <android-base/unique_fd.h>
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#include <xf86drm.h>
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#include <xf86drmMode.h>
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#include <cstdint>
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#include <memory>
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#include <string>
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#include <unordered_map>
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#include "Common.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 "DrmPlane.h"
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namespace aidl::android::hardware::graphics::composer3::impl {
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enum class DrmHotplugChange {
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kNoChange,
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kConnected,
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kDisconnected,
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};
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class DrmDisplay {
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public:
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static std::unique_ptr<DrmDisplay> create(uint32_t id, std::unique_ptr<DrmConnector> connector,
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std::unique_ptr<DrmCrtc> crtc,
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std::unique_ptr<DrmPlane> plane,
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::android::base::borrowed_fd drmFd);
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uint32_t getId() const { return mId; }
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uint32_t getWidth() const { return mConnector->getWidth(); }
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uint32_t getHeight() const { return mConnector->getHeight(); }
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uint32_t getDpiX() const { return mConnector->getDpiX(); }
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uint32_t getDpiY() const { return mConnector->getDpiY(); }
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uint32_t getRefreshRateUint() const { return mConnector->getRefreshRateUint(); }
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bool isConnected() const { return mConnector->isConnected(); }
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std::optional<std::vector<uint8_t>> getEdid() const { return mConnector->getEdid(); }
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std::tuple<HWC3::Error, ::android::base::unique_fd> flush(
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::android::base::borrowed_fd drmFd, ::android::base::borrowed_fd inWaitSyncFd,
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const std::shared_ptr<DrmBuffer>& buffer);
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DrmHotplugChange checkAndHandleHotplug(::android::base::borrowed_fd drmFd);
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private:
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DrmDisplay(uint32_t id, std::unique_ptr<DrmConnector> connector, std::unique_ptr<DrmCrtc> crtc,
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std::unique_ptr<DrmPlane> plane)
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: mId(id),
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mConnector(std::move(connector)),
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mCrtc(std::move(crtc)),
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mPlane(std::move(plane)) {}
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bool onConnect(::android::base::borrowed_fd drmFd);
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bool onDisconnect(::android::base::borrowed_fd drmFd);
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const uint32_t mId;
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std::unique_ptr<DrmConnector> mConnector;
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std::unique_ptr<DrmCrtc> mCrtc;
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std::unique_ptr<DrmPlane> mPlane;
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// The last presented buffer / DRM framebuffer is cached until
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// the next present to avoid toggling the display on and off.
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std::shared_ptr<DrmBuffer> mPreviousBuffer;
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};
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} // namespace aidl::android::hardware::graphics::composer3::impl
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