1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
|
/*
* 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/logging.h>
#include <android-base/unique_fd.h>
#include <xf86drm.h>
#include <xf86drmMode.h>
#include <cstdint>
#include <memory>
#include <string>
#include <unordered_map>
#include "Common.h"
#include "DrmBuffer.h"
#include "DrmConnector.h"
#include "DrmCrtc.h"
#include "DrmPlane.h"
namespace aidl::android::hardware::graphics::composer3::impl {
enum class DrmHotplugChange {
kNoChange,
kConnected,
kDisconnected,
};
class DrmDisplay {
public:
static std::unique_ptr<DrmDisplay> create(uint32_t id, std::unique_ptr<DrmConnector> connector,
std::unique_ptr<DrmCrtc> crtc,
std::unique_ptr<DrmPlane> plane,
::android::base::borrowed_fd drmFd);
uint32_t getId() const { return mId; }
uint32_t getWidth() const { return mConnector->getWidth(); }
uint32_t getHeight() const { return mConnector->getHeight(); }
uint32_t getDpiX() const { return mConnector->getDpiX(); }
uint32_t getDpiY() const { return mConnector->getDpiY(); }
uint32_t getRefreshRateUint() const { return mConnector->getRefreshRateUint(); }
bool isConnected() const { return mConnector->isConnected(); }
std::optional<std::vector<uint8_t>> getEdid() const { return mConnector->getEdid(); }
std::tuple<HWC3::Error, ::android::base::unique_fd> flush(
::android::base::borrowed_fd drmFd, ::android::base::borrowed_fd inWaitSyncFd,
const std::shared_ptr<DrmBuffer>& buffer);
DrmHotplugChange checkAndHandleHotplug(::android::base::borrowed_fd drmFd);
private:
DrmDisplay(uint32_t id, std::unique_ptr<DrmConnector> connector, std::unique_ptr<DrmCrtc> crtc,
std::unique_ptr<DrmPlane> plane)
: mId(id),
mConnector(std::move(connector)),
mCrtc(std::move(crtc)),
mPlane(std::move(plane)) {}
bool onConnect(::android::base::borrowed_fd drmFd);
bool onDisconnect(::android::base::borrowed_fd drmFd);
const uint32_t mId;
std::unique_ptr<DrmConnector> mConnector;
std::unique_ptr<DrmCrtc> mCrtc;
std::unique_ptr<DrmPlane> mPlane;
// The last presented buffer / DRM framebuffer is cached until
// the next present to avoid toggling the display on and off.
std::shared_ptr<DrmBuffer> mPreviousBuffer;
};
} // namespace aidl::android::hardware::graphics::composer3::impl
|
