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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 */
32class BufferQueueLayer : public BufferLayer, public BufferLayerConsumer::ContentsChangedListener {
33public:
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;
Marissa Wallfd668622018-05-10 10:21:13 -070058 // -----------------------------------------------------------------------
59
60 // -----------------------------------------------------------------------
61 // Interface implementation for BufferLayer
62 // -----------------------------------------------------------------------
63public:
64 bool fenceHasSignaled() const override;
Dominik Laskowskia8955dd2019-07-10 10:19:09 -070065 bool framePresentTimeIsCurrent(nsecs_t expectedPresentTime) const override;
Marissa Wallfd668622018-05-10 10:21:13 -070066
67private:
Dominik Laskowskia8955dd2019-07-10 10:19:09 -070068 uint64_t getFrameNumber(nsecs_t expectedPresentTime) const override;
Marissa Wallfd668622018-05-10 10:21:13 -070069
70 bool getAutoRefresh() const override;
71 bool getSidebandStreamChanged() const override;
72
Vishnu Nair6194e2e2019-02-06 12:58:39 -080073 bool latchSidebandStream(bool& recomputeVisibleRegions) override;
Marissa Wallfd668622018-05-10 10:21:13 -070074
Lloyd Pique0449b0f2018-12-20 16:23:45 -080075 bool hasFrameUpdate() const override;
Marissa Wallfd668622018-05-10 10:21:13 -070076
Alec Mouri39801c02018-10-10 10:44:47 -070077 status_t bindTextureImage() override;
Dominik Laskowskia8955dd2019-07-10 10:19:09 -070078 status_t updateTexImage(bool& recomputeVisibleRegions, nsecs_t latchTime,
79 nsecs_t expectedPresentTime) override;
Marissa Wallfd668622018-05-10 10:21:13 -070080
Lloyd Pique0449b0f2018-12-20 16:23:45 -080081 status_t updateActiveBuffer() override;
Marissa Wallfd668622018-05-10 10:21:13 -070082 status_t updateFrameNumber(nsecs_t latchTime) override;
83
Lloyd Piquef5275482019-01-29 18:42:42 -080084 void latchPerFrameState(compositionengine::LayerFECompositionState&) const override;
chaviwb4c6e582019-08-16 14:35:07 -070085 sp<Layer> createClone() override;
Marissa Wallfd668622018-05-10 10:21:13 -070086
87 // -----------------------------------------------------------------------
88 // Interface implementation for BufferLayerConsumer::ContentsChangedListener
89 // -----------------------------------------------------------------------
90protected:
chaviw4244e032019-09-04 11:27:49 -070091 void gatherBufferInfo() override;
92
Marissa Wallfd668622018-05-10 10:21:13 -070093 void onFrameAvailable(const BufferItem& item) override;
94 void onFrameReplaced(const BufferItem& item) override;
95 void onSidebandStreamChanged() override;
Adithya Srinivasan2e434382019-10-09 11:43:01 -070096 void onFrameDequeued(const uint64_t bufferId) override;
Adithya Srinivasan7dbf76d2019-10-25 18:17:11 -070097 void onFrameDetached(const uint64_t bufferId) override;
98 void onFrameCancelled(const uint64_t bufferId) override;
Marissa Wallfd668622018-05-10 10:21:13 -070099 // -----------------------------------------------------------------------
100
101public:
102 status_t setDefaultBufferProperties(uint32_t w, uint32_t h, PixelFormat format);
103
104 sp<IGraphicBufferProducer> getProducer() const;
105
106private:
107 // Temporary - Used only for LEGACY camera mode.
108 uint32_t getProducerStickyTransform() const;
109
110 void onFirstRef() override;
111
112 sp<BufferLayerConsumer> mConsumer;
113 sp<IGraphicBufferProducer> mProducer;
114
Lloyd Pique42ab75e2018-09-12 20:46:03 -0700115 PixelFormat mFormat{PIXEL_FORMAT_NONE};
Marissa Wallfd668622018-05-10 10:21:13 -0700116
Lloyd Pique42ab75e2018-09-12 20:46:03 -0700117 bool mUpdateTexImageFailed{false};
Marissa Wallfd668622018-05-10 10:21:13 -0700118
Mikael Pessa2e1608f2019-07-19 11:25:35 -0700119 uint64_t mPreviousBufferId = 0;
120 uint64_t mPreviousReleasedFrameNumber = 0;
121
Marissa Wallfd668622018-05-10 10:21:13 -0700122 // Local copy of the queued contents of the incoming BufferQueue
123 mutable Mutex mQueueItemLock;
124 Condition mQueueItemCondition;
125 Vector<BufferItem> mQueueItems;
Lloyd Pique42ab75e2018-09-12 20:46:03 -0700126 std::atomic<uint64_t> mLastFrameNumberReceived{0};
Marissa Wallfd668622018-05-10 10:21:13 -0700127
Lloyd Pique42ab75e2018-09-12 20:46:03 -0700128 bool mAutoRefresh{false};
Marissa Wallfd668622018-05-10 10:21:13 -0700129
130 // thread-safe
Lloyd Piquef1c675b2018-09-12 20:45:39 -0700131 std::atomic<int32_t> mQueuedFrames{0};
132 std::atomic<bool> mSidebandStreamChanged{false};
Marissa Wallfd668622018-05-10 10:21:13 -0700133};
134
135} // namespace android