The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2007 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 | #ifndef ANDROID_LAYER_H |
| 18 | #define ANDROID_LAYER_H |
| 19 | |
| 20 | #include <stdint.h> |
| 21 | #include <sys/types.h> |
| 22 | |
Mathias Agopian | a67932f | 2011-04-20 14:20:59 -0700 | [diff] [blame] | 23 | #include <gui/SurfaceTexture.h> |
| 24 | |
Mathias Agopian | 90ac799 | 2012-02-25 18:48:35 -0800 | [diff] [blame] | 25 | #include <utils/Timers.h> |
| 26 | |
Mathias Agopian | 3330b20 | 2009-10-05 17:07:12 -0700 | [diff] [blame] | 27 | #include <ui/GraphicBuffer.h> |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 28 | #include <ui/PixelFormat.h> |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 29 | |
Mathias Agopian | 90ac799 | 2012-02-25 18:48:35 -0800 | [diff] [blame] | 30 | #include <gui/ISurfaceComposerClient.h> |
| 31 | |
Mathias Agopian | 076b1cc | 2009-04-10 14:24:30 -0700 | [diff] [blame] | 32 | #include <EGL/egl.h> |
| 33 | #include <EGL/eglext.h> |
| 34 | #include <GLES/gl.h> |
| 35 | #include <GLES/glext.h> |
| 36 | |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 37 | #include "LayerBase.h" |
Mathias Agopian | a67932f | 2011-04-20 14:20:59 -0700 | [diff] [blame] | 38 | #include "SurfaceTextureLayer.h" |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 39 | #include "Transform.h" |
| 40 | |
| 41 | namespace android { |
| 42 | |
| 43 | // --------------------------------------------------------------------------- |
| 44 | |
Mathias Agopian | 1f7bec6 | 2010-06-25 18:02:21 -0700 | [diff] [blame] | 45 | class Client; |
| 46 | class GLExtensions; |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 47 | |
| 48 | // --------------------------------------------------------------------------- |
| 49 | |
Mathias Agopian | 47d0812 | 2011-08-11 18:18:50 -0700 | [diff] [blame] | 50 | class Layer : public LayerBaseClient |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 51 | { |
Mathias Agopian | d606de6 | 2010-05-10 20:06:11 -0700 | [diff] [blame] | 52 | public: |
Mathias Agopian | 3ee454a | 2012-08-27 16:28:24 -0700 | [diff] [blame] | 53 | Layer(SurfaceFlinger* flinger, const sp<Client>& client); |
Mathias Agopian | b7e930d | 2010-06-01 15:12:58 -0700 | [diff] [blame] | 54 | virtual ~Layer(); |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 55 | |
Mathias Agopian | b7e930d | 2010-06-01 15:12:58 -0700 | [diff] [blame] | 56 | virtual const char* getTypeId() const { return "Layer"; } |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 57 | |
Mathias Agopian | b7e930d | 2010-06-01 15:12:58 -0700 | [diff] [blame] | 58 | // the this layer's size and format |
Mathias Agopian | cbb288b | 2009-09-07 16:32:45 -0700 | [diff] [blame] | 59 | status_t setBuffers(uint32_t w, uint32_t h, |
| 60 | PixelFormat format, uint32_t flags=0); |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 61 | |
Mathias Agopian | a138f89 | 2010-05-21 17:24:35 -0700 | [diff] [blame] | 62 | bool isFixedSize() const; |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 63 | |
Mathias Agopian | b7e930d | 2010-06-01 15:12:58 -0700 | [diff] [blame] | 64 | // LayerBase interface |
Mathias Agopian | 4297734 | 2012-08-05 00:40:46 -0700 | [diff] [blame] | 65 | virtual void setGeometry(const sp<const DisplayDevice>& hw, |
Mathias Agopian | 4fec873 | 2012-06-29 14:12:52 -0700 | [diff] [blame] | 66 | HWComposer::HWCLayerInterface& layer); |
Mathias Agopian | 4297734 | 2012-08-05 00:40:46 -0700 | [diff] [blame] | 67 | virtual void setPerFrameData(const sp<const DisplayDevice>& hw, |
Mathias Agopian | d3ee231 | 2012-08-02 14:01:42 -0700 | [diff] [blame] | 68 | HWComposer::HWCLayerInterface& layer); |
Mathias Agopian | 4297734 | 2012-08-05 00:40:46 -0700 | [diff] [blame] | 69 | virtual void setAcquireFence(const sp<const DisplayDevice>& hw, |
Mathias Agopian | d3ee231 | 2012-08-02 14:01:42 -0700 | [diff] [blame] | 70 | HWComposer::HWCLayerInterface& layer); |
Mathias Agopian | 4297734 | 2012-08-05 00:40:46 -0700 | [diff] [blame] | 71 | virtual void onLayerDisplayed(const sp<const DisplayDevice>& hw, |
Mathias Agopian | d3ee231 | 2012-08-02 14:01:42 -0700 | [diff] [blame] | 72 | HWComposer::HWCLayerInterface* layer); |
| 73 | virtual bool onPreComposition(); |
| 74 | virtual void onPostComposition(); |
Mathias Agopian | 4fec873 | 2012-06-29 14:12:52 -0700 | [diff] [blame] | 75 | |
Mathias Agopian | 4297734 | 2012-08-05 00:40:46 -0700 | [diff] [blame] | 76 | virtual void onDraw(const sp<const DisplayDevice>& hw, const Region& clip) const; |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 77 | virtual uint32_t doTransaction(uint32_t transactionFlags); |
Mathias Agopian | 4fec873 | 2012-06-29 14:12:52 -0700 | [diff] [blame] | 78 | virtual Region latchBuffer(bool& recomputeVisibleRegions); |
Mathias Agopian | a67932f | 2011-04-20 14:20:59 -0700 | [diff] [blame] | 79 | virtual bool isOpaque() const; |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 80 | virtual bool isSecure() const { return mSecure; } |
Jamie Gennis | 7a4d0df | 2011-03-09 17:05:02 -0800 | [diff] [blame] | 81 | virtual bool isProtected() const; |
Mathias Agopian | d606de6 | 2010-05-10 20:06:11 -0700 | [diff] [blame] | 82 | virtual void onRemoved(); |
Mathias Agopian | fb4d5d5 | 2011-09-20 15:13:14 -0700 | [diff] [blame] | 83 | virtual sp<Layer> getLayer() const { return const_cast<Layer*>(this); } |
Jamie Gennis | a249f2d | 2011-09-16 17:31:54 -0700 | [diff] [blame] | 84 | virtual void setName(const String8& name); |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 85 | |
Jamie Gennis | 582270d | 2011-08-17 18:19:00 -0700 | [diff] [blame] | 86 | // LayerBaseClient interface |
| 87 | virtual wp<IBinder> getSurfaceTextureBinder() const; |
| 88 | |
Mathias Agopian | b7e930d | 2010-06-01 15:12:58 -0700 | [diff] [blame] | 89 | // only for debugging |
Mathias Agopian | fb4d5d5 | 2011-09-20 15:13:14 -0700 | [diff] [blame] | 90 | inline const sp<GraphicBuffer>& getActiveBuffer() const { return mActiveBuffer; } |
Mathias Agopian | 1b5e102 | 2010-04-20 17:55:49 -0700 | [diff] [blame] | 91 | |
Andy McFadden | 6905205 | 2012-09-14 16:10:11 -0700 | [diff] [blame] | 92 | // Updates the transform hint in our SurfaceTexture to match |
| 93 | // the current orientation of the default display device. |
| 94 | virtual void updateTransformHint() const; |
| 95 | |
Mathias Agopian | 1b5e102 | 2010-04-20 17:55:49 -0700 | [diff] [blame] | 96 | protected: |
Mathias Agopian | a67932f | 2011-04-20 14:20:59 -0700 | [diff] [blame] | 97 | virtual void onFirstRef(); |
Mathias Agopian | 1b5e102 | 2010-04-20 17:55:49 -0700 | [diff] [blame] | 98 | virtual void dump(String8& result, char* scratch, size_t size) const; |
Mathias Agopian | 82d7ab6 | 2012-01-19 18:34:40 -0800 | [diff] [blame] | 99 | virtual void dumpStats(String8& result, char* buffer, size_t SIZE) const; |
Mathias Agopian | 25e66fc | 2012-01-28 22:31:55 -0800 | [diff] [blame] | 100 | virtual void clearStats(); |
Mathias Agopian | 1b5e102 | 2010-04-20 17:55:49 -0700 | [diff] [blame] | 101 | |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 102 | private: |
Mathias Agopian | a67932f | 2011-04-20 14:20:59 -0700 | [diff] [blame] | 103 | friend class SurfaceTextureLayer; |
| 104 | void onFrameQueued(); |
| 105 | virtual sp<ISurface> createSurface(); |
Mathias Agopian | 3330b20 | 2009-10-05 17:07:12 -0700 | [diff] [blame] | 106 | uint32_t getEffectiveUsage(uint32_t usage) const; |
Mathias Agopian | a67932f | 2011-04-20 14:20:59 -0700 | [diff] [blame] | 107 | bool isCropped() const; |
Jamie Gennis | f15a83f | 2012-05-10 20:43:55 -0700 | [diff] [blame] | 108 | Rect computeBufferCrop() const; |
Mathias Agopian | a67932f | 2011-04-20 14:20:59 -0700 | [diff] [blame] | 109 | static bool getOpacityForFormat(uint32_t format); |
Mathias Agopian | 0aa758d | 2009-04-22 15:23:34 -0700 | [diff] [blame] | 110 | |
Mathias Agopian | b7e930d | 2010-06-01 15:12:58 -0700 | [diff] [blame] | 111 | // ----------------------------------------------------------------------- |
| 112 | |
Mathias Agopian | a67932f | 2011-04-20 14:20:59 -0700 | [diff] [blame] | 113 | // constants |
Daniel Lam | b267579 | 2012-02-23 14:35:13 -0800 | [diff] [blame] | 114 | sp<SurfaceTexture> mSurfaceTexture; |
Mathias Agopian | a67932f | 2011-04-20 14:20:59 -0700 | [diff] [blame] | 115 | GLuint mTextureName; |
Mathias Agopian | d606de6 | 2010-05-10 20:06:11 -0700 | [diff] [blame] | 116 | |
Mathias Agopian | b7e930d | 2010-06-01 15:12:58 -0700 | [diff] [blame] | 117 | // thread-safe |
Mathias Agopian | a67932f | 2011-04-20 14:20:59 -0700 | [diff] [blame] | 118 | volatile int32_t mQueuedFrames; |
| 119 | |
| 120 | // main thread |
| 121 | sp<GraphicBuffer> mActiveBuffer; |
Mathias Agopian | a67932f | 2011-04-20 14:20:59 -0700 | [diff] [blame] | 122 | Rect mCurrentCrop; |
| 123 | uint32_t mCurrentTransform; |
Mathias Agopian | 933389f | 2011-07-18 16:15:08 -0700 | [diff] [blame] | 124 | uint32_t mCurrentScalingMode; |
Mathias Agopian | a67932f | 2011-04-20 14:20:59 -0700 | [diff] [blame] | 125 | bool mCurrentOpacity; |
Mathias Agopian | 4d143ee | 2012-02-23 20:05:39 -0800 | [diff] [blame] | 126 | bool mRefreshPending; |
Jamie Gennis | e8696a4 | 2012-01-15 18:54:57 -0800 | [diff] [blame] | 127 | bool mFrameLatencyNeeded; |
| 128 | int mFrameLatencyOffset; |
Mathias Agopian | 99ce5cd | 2012-01-31 18:24:27 -0800 | [diff] [blame] | 129 | |
Mathias Agopian | 82d7ab6 | 2012-01-19 18:34:40 -0800 | [diff] [blame] | 130 | struct Statistics { |
| 131 | Statistics() : timestamp(0), set(0), vsync(0) { } |
| 132 | nsecs_t timestamp; // buffer timestamp |
| 133 | nsecs_t set; // buffer displayed timestamp |
| 134 | nsecs_t vsync; // vsync immediately before set |
| 135 | }; |
Mathias Agopian | 99ce5cd | 2012-01-31 18:24:27 -0800 | [diff] [blame] | 136 | |
Mathias Agopian | 82d7ab6 | 2012-01-19 18:34:40 -0800 | [diff] [blame] | 137 | // protected by mLock |
| 138 | Statistics mFrameStats[128]; |
Mathias Agopian | d606de6 | 2010-05-10 20:06:11 -0700 | [diff] [blame] | 139 | |
Mathias Agopian | b7e930d | 2010-06-01 15:12:58 -0700 | [diff] [blame] | 140 | // constants |
Mathias Agopian | b7e930d | 2010-06-01 15:12:58 -0700 | [diff] [blame] | 141 | PixelFormat mFormat; |
Mathias Agopian | 1f7bec6 | 2010-06-25 18:02:21 -0700 | [diff] [blame] | 142 | const GLExtensions& mGLExtensions; |
Mathias Agopian | a67932f | 2011-04-20 14:20:59 -0700 | [diff] [blame] | 143 | bool mOpaqueLayer; |
Mathias Agopian | d606de6 | 2010-05-10 20:06:11 -0700 | [diff] [blame] | 144 | |
Mathias Agopian | b7e930d | 2010-06-01 15:12:58 -0700 | [diff] [blame] | 145 | // page-flip thread (currently main thread) |
Glenn Kasten | 16f0453 | 2011-01-19 15:27:27 -0800 | [diff] [blame] | 146 | bool mSecure; // no screenshots |
| 147 | bool mProtectedByApp; // application requires protected path to external sink |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 148 | }; |
| 149 | |
| 150 | // --------------------------------------------------------------------------- |
| 151 | |
| 152 | }; // namespace android |
| 153 | |
| 154 | #endif // ANDROID_LAYER_H |