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
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
|
/*
* 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.
*/
#ifndef ANDROID_HWC_DISPLAY_H
#define ANDROID_HWC_DISPLAY_H
#include <aidl/android/hardware/graphics/common/DisplayDecorationSupport.h>
#include <aidl/android/hardware/graphics/composer3/ColorMode.h>
#include <aidl/android/hardware/graphics/composer3/ContentType.h>
#include <aidl/android/hardware/graphics/composer3/DisplayAttribute.h>
#include <aidl/android/hardware/graphics/composer3/DisplayCapability.h>
#include <aidl/android/hardware/graphics/composer3/DisplayConnectionType.h>
#include <aidl/android/hardware/graphics/composer3/DisplayContentSample.h>
#include <aidl/android/hardware/graphics/composer3/DisplayIdentification.h>
#include <aidl/android/hardware/graphics/composer3/HdrCapabilities.h>
#include <aidl/android/hardware/graphics/composer3/PerFrameMetadataKey.h>
#include <aidl/android/hardware/graphics/composer3/PowerMode.h>
#include <aidl/android/hardware/graphics/composer3/ReadbackBufferAttributes.h>
#include <aidl/android/hardware/graphics/composer3/RenderIntent.h>
#include <aidl/android/hardware/graphics/composer3/VsyncPeriodChangeConstraints.h>
#include <aidl/android/hardware/graphics/composer3/VsyncPeriodChangeTimeline.h>
#include <android-base/unique_fd.h>
#include <array>
#include <mutex>
#include <optional>
#include <thread>
#include <unordered_map>
#include <unordered_set>
#include <vector>
#include "Common.h"
#include "DisplayChanges.h"
#include "DisplayConfig.h"
#include "DisplayFinder.h"
#include "FencedBuffer.h"
#include "FrameComposer.h"
#include "Layer.h"
#include "Time.h"
#include "VsyncThread.h"
namespace aidl::android::hardware::graphics::composer3::impl {
class FrameComposer;
class Display {
public:
Display(FrameComposer* composer, int64_t id);
~Display();
Display(const Display& display) = delete;
Display& operator=(const Display& display) = delete;
Display(Display&& display) = delete;
Display& operator=(Display&& display) = delete;
HWC3::Error init(const std::vector<DisplayConfig>& configs, int32_t activeConfigId,
const std::optional<std::vector<uint8_t>>& edid = std::nullopt);
HWC3::Error updateParameters(uint32_t width, uint32_t height, uint32_t dpiX, uint32_t dpiY,
uint32_t refreshRateHz,
const std::optional<std::vector<uint8_t>>& edid = std::nullopt);
// HWComposer3 interface.
HWC3::Error createLayer(int64_t* outLayerId);
HWC3::Error destroyLayer(int64_t layerId);
HWC3::Error getActiveConfig(int32_t* outConfigId);
HWC3::Error getDisplayAttribute(int32_t configId, DisplayAttribute attribute,
int32_t* outValue);
HWC3::Error getColorModes(std::vector<ColorMode>* outColorModes);
HWC3::Error getDisplayCapabilities(std::vector<DisplayCapability>* caps);
HWC3::Error getDisplayConfigs(std::vector<int32_t>* configs);
HWC3::Error getDisplayConnectionType(DisplayConnectionType* outType);
HWC3::Error getDisplayIdentificationData(DisplayIdentification* outIdentification);
HWC3::Error getDisplayName(std::string* outName);
HWC3::Error getDisplayVsyncPeriod(int32_t* outVsyncPeriod);
HWC3::Error getDisplayedContentSample(int64_t maxFrames, int64_t timestamp,
DisplayContentSample* samples);
HWC3::Error getDisplayedContentSamplingAttributes(
DisplayContentSamplingAttributes* outAttributes);
HWC3::Error getDisplayPhysicalOrientation(common::Transform* outOrientation);
HWC3::Error getHdrCapabilities(HdrCapabilities* outCapabilities);
HWC3::Error getPerFrameMetadataKeys(std::vector<PerFrameMetadataKey>* outKeys);
HWC3::Error getReadbackBufferAttributes(ReadbackBufferAttributes* attrs);
HWC3::Error getReadbackBufferFence(ndk::ScopedFileDescriptor* acquireFence);
HWC3::Error getRenderIntents(ColorMode mode, std::vector<RenderIntent>* intents);
HWC3::Error getSupportedContentTypes(std::vector<ContentType>* types);
HWC3::Error getDecorationSupport(std::optional<common::DisplayDecorationSupport>* support);
HWC3::Error registerCallback(const std::shared_ptr<IComposerCallback>& callback);
HWC3::Error setActiveConfig(int32_t configId);
HWC3::Error setActiveConfigWithConstraints(int32_t config,
const VsyncPeriodChangeConstraints& constraints,
VsyncPeriodChangeTimeline* outTimeline);
HWC3::Error setBootConfig(int32_t configId);
HWC3::Error clearBootConfig();
HWC3::Error getPreferredBootConfig(int32_t* outConfigId);
HWC3::Error setAutoLowLatencyMode(bool on);
HWC3::Error setColorMode(ColorMode mode, RenderIntent intent);
HWC3::Error setContentType(ContentType contentType);
HWC3::Error setDisplayedContentSamplingEnabled(bool enable, FormatColorComponent componentMask,
int64_t maxFrames);
HWC3::Error setPowerMode(PowerMode mode);
HWC3::Error setReadbackBuffer(const buffer_handle_t buffer,
const ndk::ScopedFileDescriptor& releaseFence);
HWC3::Error setVsyncEnabled(bool enabled);
HWC3::Error setIdleTimerEnabled(int32_t timeoutMs);
HWC3::Error setColorTransform(const std::vector<float>& transform);
HWC3::Error setBrightness(float brightness);
HWC3::Error setClientTarget(buffer_handle_t buffer, const ndk::ScopedFileDescriptor& fence,
common::Dataspace dataspace,
const std::vector<common::Rect>& damage);
HWC3::Error setOutputBuffer(buffer_handle_t buffer, const ndk::ScopedFileDescriptor& fence);
HWC3::Error setExpectedPresentTime(
const std::optional<ClockMonotonicTimestamp>& expectedPresentTime);
HWC3::Error validate(DisplayChanges* outChanges);
HWC3::Error acceptChanges();
HWC3::Error present(::android::base::unique_fd* outDisplayFence,
std::unordered_map<int64_t, ::android::base::unique_fd>* outLayerFences);
// Non HWCComposer3 interface.
int64_t getId() const { return mId; }
Layer* getLayer(int64_t layerHandle);
HWC3::Error setEdid(std::vector<uint8_t> edid);
bool hasColorTransform() const { return mColorTransform.has_value(); }
std::array<float, 16> getColorTransform() const { return *mColorTransform; }
FencedBuffer& getClientTarget() { return mClientTarget; }
buffer_handle_t waitAndGetClientTargetBuffer();
const std::vector<Layer*>& getOrderedLayers() { return mOrderedLayers; }
private:
bool hasConfig(int32_t configId) const;
DisplayConfig* getConfig(int32_t configId);
std::optional<int32_t> getBootConfigId();
void setLegacyEdid();
// The state of this display should only be modified from
// SurfaceFlinger's main loop, with the exception of when dump is
// called. To prevent a bad state from crashing us during a dump
// call, all public calls into Display must acquire this mutex.
mutable std::recursive_mutex mStateMutex;
FrameComposer* mComposer = nullptr;
const int64_t mId;
std::string mName;
PowerMode mPowerMode = PowerMode::OFF;
VsyncThread mVsyncThread;
FencedBuffer mClientTarget;
FencedBuffer mReadbackBuffer;
// Will only be non-null after the Display has been validated and
// before it has been accepted.
enum class PresentFlowState {
WAITING_FOR_VALIDATE,
WAITING_FOR_ACCEPT,
WAITING_FOR_PRESENT,
};
PresentFlowState mPresentFlowState = PresentFlowState::WAITING_FOR_VALIDATE;
DisplayChanges mPendingChanges;
std::optional<TimePoint> mExpectedPresentTime;
std::unordered_map<int64_t, std::unique_ptr<Layer>> mLayers;
// Ordered layers available after validate().
std::vector<Layer*> mOrderedLayers;
std::optional<int32_t> mActiveConfigId;
std::unordered_map<int32_t, DisplayConfig> mConfigs;
std::unordered_set<ColorMode> mColorModes = {ColorMode::NATIVE};
ColorMode mActiveColorMode = ColorMode::NATIVE;
std::optional<std::array<float, 16>> mColorTransform;
std::vector<uint8_t> mEdid;
};
} // namespace aidl::android::hardware::graphics::composer3::impl
#endif
|
