blob: 0777953c17a71aab4939fd69b47a867c04431ee4 [file] [log] [blame]
Marissa Wallfd668622018-05-10 10:21:13 -07001/*
2 * Copyright (C) 2018 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#pragma once
18
19#include "BufferLayer.h"
20
21#include <utils/String8.h>
22
23namespace android {
24
25/*
26 * A new BufferQueue and a new BufferLayerConsumer are created when the
27 * BufferLayer is first referenced.
28 *
29 * This also implements onFrameAvailable(), which notifies SurfaceFlinger
30 * that new data has arrived.
31 */
chaviw2d9a4292019-12-02 16:00:24 -080032class BufferQueueLayer : public BufferLayer {
Marissa Wallfd668622018-05-10 10:21:13 -070033public:
chaviwb4c6e582019-08-16 14:35:07 -070034 // Only call while mStateLock is held
Lloyd Pique42ab75e2018-09-12 20:46:03 -070035 explicit BufferQueueLayer(const LayerCreationArgs&);
36 ~BufferQueueLayer() override;
Marissa Wallfd668622018-05-10 10:21:13 -070037
38 // -----------------------------------------------------------------------
39 // Interface implementation for Layer
40 // -----------------------------------------------------------------------
41public:
chaviw8a01fa42019-08-19 12:39:31 -070042 const char* getType() const override { return "BufferQueueLayer"; }
43
Marissa Wallfd668622018-05-10 10:21:13 -070044 void onLayerDisplayed(const sp<Fence>& releaseFence) override;
45
Marissa Wallfd668622018-05-10 10:21:13 -070046 void setTransformHint(uint32_t orientation) const override;
47
48 std::vector<OccupancyTracker::Segment> getOccupancyHistory(bool forceFlush) override;
49
Marissa Wallfd668622018-05-10 10:21:13 -070050 // If a buffer was replaced this frame, release the former buffer
51 void releasePendingBuffer(nsecs_t dequeueReadyTime) override;
52
53 void setDefaultBufferSize(uint32_t w, uint32_t h) override;
54
55 int32_t getQueuedFrameCount() const override;
56
Ana Krulec010d2192018-10-08 06:29:54 -070057 bool shouldPresentNow(nsecs_t expectedPresentTime) const override;
Steven Thomas3172e202020-01-06 19:25:30 -080058
59 bool setFrameRate(float frameRate) override;
60 float getFrameRate() const override;
61
Marissa Wallfd668622018-05-10 10:21:13 -070062 // -----------------------------------------------------------------------
63
64 // -----------------------------------------------------------------------
65 // Interface implementation for BufferLayer
66 // -----------------------------------------------------------------------
67public:
68 bool fenceHasSignaled() const override;
Dominik Laskowskia8955dd2019-07-10 10:19:09 -070069 bool framePresentTimeIsCurrent(nsecs_t expectedPresentTime) const override;
Marissa Wallfd668622018-05-10 10:21:13 -070070
71private:
Dominik Laskowskia8955dd2019-07-10 10:19:09 -070072 uint64_t getFrameNumber(nsecs_t expectedPresentTime) const override;
Marissa Wallfd668622018-05-10 10:21:13 -070073
74 bool getAutoRefresh() const override;
75 bool getSidebandStreamChanged() const override;
76
Vishnu Nair6194e2e2019-02-06 12:58:39 -080077 bool latchSidebandStream(bool& recomputeVisibleRegions) override;
Marissa Wallfd668622018-05-10 10:21:13 -070078
Lloyd Pique0449b0f2018-12-20 16:23:45 -080079 bool hasFrameUpdate() const override;
Marissa Wallfd668622018-05-10 10:21:13 -070080
Alec Mouri39801c02018-10-10 10:44:47 -070081 status_t bindTextureImage() override;
Dominik Laskowskia8955dd2019-07-10 10:19:09 -070082 status_t updateTexImage(bool& recomputeVisibleRegions, nsecs_t latchTime,
83 nsecs_t expectedPresentTime) override;
Marissa Wallfd668622018-05-10 10:21:13 -070084
Lloyd Pique0449b0f2018-12-20 16:23:45 -080085 status_t updateActiveBuffer() override;
Marissa Wallfd668622018-05-10 10:21:13 -070086 status_t updateFrameNumber(nsecs_t latchTime) override;
87
Lloyd Piquef5275482019-01-29 18:42:42 -080088 void latchPerFrameState(compositionengine::LayerFECompositionState&) const override;
chaviwb4c6e582019-08-16 14:35:07 -070089 sp<Layer> createClone() override;
Marissa Wallfd668622018-05-10 10:21:13 -070090
chaviw2d9a4292019-12-02 16:00:24 -080091 void onFrameAvailable(const BufferItem& item);
92 void onFrameReplaced(const BufferItem& item);
93 void onSidebandStreamChanged();
94 void onFrameDequeued(const uint64_t bufferId);
95 void onFrameDetached(const uint64_t bufferId);
96 void onFrameCancelled(const uint64_t bufferId);
97
Marissa Wallfd668622018-05-10 10:21:13 -070098protected:
chaviw4244e032019-09-04 11:27:49 -070099 void gatherBufferInfo() override;
100
chaviw2d9a4292019-12-02 16:00:24 -0800101 // -----------------------------------------------------------------------
102 // Interface implementation for BufferLayerConsumer::ContentsChangedListener
103 // -----------------------------------------------------------------------
104 class ContentsChangedListener : public BufferLayerConsumer::ContentsChangedListener {
105 public:
106 ContentsChangedListener(BufferQueueLayer* bufferQueueLayer)
107 : mBufferQueueLayer(bufferQueueLayer) {}
108 void abandon();
109
110 protected:
111 void onFrameAvailable(const BufferItem& item) override;
112 void onFrameReplaced(const BufferItem& item) override;
113 void onSidebandStreamChanged() override;
114 void onFrameDequeued(const uint64_t bufferId) override;
115 void onFrameDetached(const uint64_t bufferId) override;
116 void onFrameCancelled(const uint64_t bufferId) override;
117
118 private:
119 BufferQueueLayer* mBufferQueueLayer = nullptr;
120 Mutex mMutex;
121 };
Marissa Wallfd668622018-05-10 10:21:13 -0700122 // -----------------------------------------------------------------------
123
124public:
125 status_t setDefaultBufferProperties(uint32_t w, uint32_t h, PixelFormat format);
126
127 sp<IGraphicBufferProducer> getProducer() const;
128
129private:
130 // Temporary - Used only for LEGACY camera mode.
131 uint32_t getProducerStickyTransform() const;
132
133 void onFirstRef() override;
134
135 sp<BufferLayerConsumer> mConsumer;
136 sp<IGraphicBufferProducer> mProducer;
137
Lloyd Pique42ab75e2018-09-12 20:46:03 -0700138 PixelFormat mFormat{PIXEL_FORMAT_NONE};
Marissa Wallfd668622018-05-10 10:21:13 -0700139
Lloyd Pique42ab75e2018-09-12 20:46:03 -0700140 bool mUpdateTexImageFailed{false};
Marissa Wallfd668622018-05-10 10:21:13 -0700141
Mikael Pessa2e1608f2019-07-19 11:25:35 -0700142 uint64_t mPreviousBufferId = 0;
143 uint64_t mPreviousReleasedFrameNumber = 0;
144
Marissa Wallfd668622018-05-10 10:21:13 -0700145 // Local copy of the queued contents of the incoming BufferQueue
146 mutable Mutex mQueueItemLock;
147 Condition mQueueItemCondition;
148 Vector<BufferItem> mQueueItems;
Lloyd Pique42ab75e2018-09-12 20:46:03 -0700149 std::atomic<uint64_t> mLastFrameNumberReceived{0};
Marissa Wallfd668622018-05-10 10:21:13 -0700150
Lloyd Pique42ab75e2018-09-12 20:46:03 -0700151 bool mAutoRefresh{false};
Marissa Wallfd668622018-05-10 10:21:13 -0700152
153 // thread-safe
Lloyd Piquef1c675b2018-09-12 20:45:39 -0700154 std::atomic<int32_t> mQueuedFrames{0};
155 std::atomic<bool> mSidebandStreamChanged{false};
chaviw2d9a4292019-12-02 16:00:24 -0800156
157 sp<ContentsChangedListener> mContentsChangedListener;
Steven Thomas3172e202020-01-06 19:25:30 -0800158
159 std::atomic<float> mLatchedFrameRate = 0.f;
Marissa Wallfd668622018-05-10 10:21:13 -0700160};
161
162} // namespace android