Jamie Gennis | 8ba32fa | 2010-12-20 11:27:26 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2010 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 | #define LOG_TAG "SurfaceTexture" |
Jamie Gennis | e70d8b4 | 2011-01-09 13:24:09 -0800 | [diff] [blame] | 18 | //#define LOG_NDEBUG 0 |
Jamie Gennis | 8ba32fa | 2010-12-20 11:27:26 -0800 | [diff] [blame] | 19 | |
| 20 | #define GL_GLEXT_PROTOTYPES |
| 21 | #define EGL_EGLEXT_PROTOTYPES |
| 22 | |
| 23 | #include <EGL/egl.h> |
| 24 | #include <EGL/eglext.h> |
| 25 | #include <GLES2/gl2.h> |
| 26 | #include <GLES2/gl2ext.h> |
| 27 | |
| 28 | #include <gui/SurfaceTexture.h> |
| 29 | |
Mathias Agopian | 7a042bf | 2011-04-11 21:19:55 -0700 | [diff] [blame] | 30 | #include <hardware/hardware.h> |
| 31 | |
Jamie Gennis | 8ba32fa | 2010-12-20 11:27:26 -0800 | [diff] [blame] | 32 | #include <surfaceflinger/ISurfaceComposer.h> |
| 33 | #include <surfaceflinger/SurfaceComposerClient.h> |
Jamie Gennis | 9a78c90 | 2011-01-12 18:30:40 -0800 | [diff] [blame] | 34 | #include <surfaceflinger/IGraphicBufferAlloc.h> |
Jamie Gennis | 8ba32fa | 2010-12-20 11:27:26 -0800 | [diff] [blame] | 35 | |
| 36 | #include <utils/Log.h> |
Mathias Agopian | 68c7794 | 2011-05-09 19:08:33 -0700 | [diff] [blame] | 37 | #include <utils/String8.h> |
Jamie Gennis | 8ba32fa | 2010-12-20 11:27:26 -0800 | [diff] [blame] | 38 | |
Mathias Agopian | 29b5762 | 2011-08-17 15:42:04 -0700 | [diff] [blame] | 39 | |
| 40 | #define ALLOW_DEQUEUE_CURRENT_BUFFER false |
| 41 | |
Jamie Gennis | fa28c35 | 2011-09-16 17:30:26 -0700 | [diff] [blame] | 42 | // Macros for including the SurfaceTexture name in log messages |
Steve Block | 6807e59 | 2011-10-20 11:56:00 +0100 | [diff] [blame^] | 43 | #define ST_LOGV(x, ...) ALOGV("[%s] "x, mName.string(), ##__VA_ARGS__) |
Jamie Gennis | fa28c35 | 2011-09-16 17:30:26 -0700 | [diff] [blame] | 44 | #define ST_LOGD(x, ...) LOGD("[%s] "x, mName.string(), ##__VA_ARGS__) |
| 45 | #define ST_LOGI(x, ...) LOGI("[%s] "x, mName.string(), ##__VA_ARGS__) |
| 46 | #define ST_LOGW(x, ...) LOGW("[%s] "x, mName.string(), ##__VA_ARGS__) |
| 47 | #define ST_LOGE(x, ...) LOGE("[%s] "x, mName.string(), ##__VA_ARGS__) |
Mathias Agopian | 29b5762 | 2011-08-17 15:42:04 -0700 | [diff] [blame] | 48 | |
Jamie Gennis | 8ba32fa | 2010-12-20 11:27:26 -0800 | [diff] [blame] | 49 | namespace android { |
| 50 | |
Jamie Gennis | f238e28 | 2011-01-09 16:33:17 -0800 | [diff] [blame] | 51 | // Transform matrices |
| 52 | static float mtxIdentity[16] = { |
| 53 | 1, 0, 0, 0, |
| 54 | 0, 1, 0, 0, |
| 55 | 0, 0, 1, 0, |
| 56 | 0, 0, 0, 1, |
| 57 | }; |
| 58 | static float mtxFlipH[16] = { |
| 59 | -1, 0, 0, 0, |
| 60 | 0, 1, 0, 0, |
| 61 | 0, 0, 1, 0, |
| 62 | 1, 0, 0, 1, |
| 63 | }; |
| 64 | static float mtxFlipV[16] = { |
| 65 | 1, 0, 0, 0, |
| 66 | 0, -1, 0, 0, |
| 67 | 0, 0, 1, 0, |
| 68 | 0, 1, 0, 1, |
| 69 | }; |
| 70 | static float mtxRot90[16] = { |
| 71 | 0, 1, 0, 0, |
| 72 | -1, 0, 0, 0, |
| 73 | 0, 0, 1, 0, |
| 74 | 1, 0, 0, 1, |
| 75 | }; |
| 76 | static float mtxRot180[16] = { |
| 77 | -1, 0, 0, 0, |
| 78 | 0, -1, 0, 0, |
| 79 | 0, 0, 1, 0, |
| 80 | 1, 1, 0, 1, |
| 81 | }; |
| 82 | static float mtxRot270[16] = { |
| 83 | 0, -1, 0, 0, |
| 84 | 1, 0, 0, 0, |
| 85 | 0, 0, 1, 0, |
| 86 | 0, 1, 0, 1, |
| 87 | }; |
| 88 | |
| 89 | static void mtxMul(float out[16], const float a[16], const float b[16]); |
| 90 | |
Jamie Gennis | fa28c35 | 2011-09-16 17:30:26 -0700 | [diff] [blame] | 91 | // Get an ID that's unique within this process. |
| 92 | static int32_t createProcessUniqueId() { |
| 93 | static volatile int32_t globalCounter = 0; |
| 94 | return android_atomic_inc(&globalCounter); |
| 95 | } |
| 96 | |
Jamie Gennis | fb1b5a2 | 2011-09-28 12:13:31 -0700 | [diff] [blame] | 97 | SurfaceTexture::SurfaceTexture(GLuint tex, bool allowSynchronousMode, |
| 98 | GLenum texTarget) : |
Mathias Agopian | a5c75c0 | 2011-03-31 19:10:24 -0700 | [diff] [blame] | 99 | mDefaultWidth(1), |
| 100 | mDefaultHeight(1), |
| 101 | mPixelFormat(PIXEL_FORMAT_RGBA_8888), |
Mathias Agopian | 8072711 | 2011-05-02 19:51:12 -0700 | [diff] [blame] | 102 | mBufferCount(MIN_ASYNC_BUFFER_SLOTS), |
| 103 | mClientBufferCount(0), |
| 104 | mServerBufferCount(MIN_ASYNC_BUFFER_SLOTS), |
Eino-Ville Talvala | 1d01a12 | 2011-02-18 11:02:42 -0800 | [diff] [blame] | 105 | mCurrentTexture(INVALID_BUFFER_SLOT), |
| 106 | mCurrentTransform(0), |
| 107 | mCurrentTimestamp(0), |
Eino-Ville Talvala | 1d01a12 | 2011-02-18 11:02:42 -0800 | [diff] [blame] | 108 | mNextTransform(0), |
Mathias Agopian | 7734ebf | 2011-07-13 15:24:42 -0700 | [diff] [blame] | 109 | mNextScalingMode(NATIVE_WINDOW_SCALING_MODE_FREEZE), |
Mathias Agopian | b3e518c | 2011-04-21 18:52:51 -0700 | [diff] [blame] | 110 | mTexName(tex), |
Grace Kloba | 14a0e58 | 2011-06-23 21:21:47 -0700 | [diff] [blame] | 111 | mSynchronousMode(false), |
Jamie Gennis | fe0a87b | 2011-07-13 19:12:20 -0700 | [diff] [blame] | 112 | mAllowSynchronousMode(allowSynchronousMode), |
Jamie Gennis | 7b305ff | 2011-07-19 12:08:33 -0700 | [diff] [blame] | 113 | mConnectedApi(NO_CONNECTED_API), |
Jamie Gennis | fb1b5a2 | 2011-09-28 12:13:31 -0700 | [diff] [blame] | 114 | mAbandoned(false), |
| 115 | mTexTarget(texTarget) { |
Jamie Gennis | fa28c35 | 2011-09-16 17:30:26 -0700 | [diff] [blame] | 116 | // Choose a name using the PID and a process-unique ID. |
| 117 | mName = String8::format("unnamed-%d-%d", getpid(), createProcessUniqueId()); |
| 118 | |
| 119 | ST_LOGV("SurfaceTexture::SurfaceTexture"); |
Jamie Gennis | 9a78c90 | 2011-01-12 18:30:40 -0800 | [diff] [blame] | 120 | sp<ISurfaceComposer> composer(ComposerService::getComposerService()); |
| 121 | mGraphicBufferAlloc = composer->createGraphicBufferAlloc(); |
Mathias Agopian | cc57d6f | 2011-04-27 18:57:33 -0700 | [diff] [blame] | 122 | mNextCrop.makeInvalid(); |
Jamie Gennis | fa28c35 | 2011-09-16 17:30:26 -0700 | [diff] [blame] | 123 | memcpy(mCurrentTransformMatrix, mtxIdentity, |
| 124 | sizeof(mCurrentTransformMatrix)); |
Jamie Gennis | 8ba32fa | 2010-12-20 11:27:26 -0800 | [diff] [blame] | 125 | } |
| 126 | |
| 127 | SurfaceTexture::~SurfaceTexture() { |
Jamie Gennis | fa28c35 | 2011-09-16 17:30:26 -0700 | [diff] [blame] | 128 | ST_LOGV("SurfaceTexture::~SurfaceTexture"); |
Mathias Agopian | ef51b99 | 2011-08-10 15:28:58 -0700 | [diff] [blame] | 129 | freeAllBuffersLocked(); |
Jamie Gennis | 8ba32fa | 2010-12-20 11:27:26 -0800 | [diff] [blame] | 130 | } |
| 131 | |
Mathias Agopian | 8072711 | 2011-05-02 19:51:12 -0700 | [diff] [blame] | 132 | status_t SurfaceTexture::setBufferCountServerLocked(int bufferCount) { |
| 133 | if (bufferCount > NUM_BUFFER_SLOTS) |
| 134 | return BAD_VALUE; |
| 135 | |
| 136 | // special-case, nothing to do |
| 137 | if (bufferCount == mBufferCount) |
| 138 | return OK; |
| 139 | |
| 140 | if (!mClientBufferCount && |
| 141 | bufferCount >= mBufferCount) { |
| 142 | // easy, we just have more buffers |
| 143 | mBufferCount = bufferCount; |
| 144 | mServerBufferCount = bufferCount; |
| 145 | mDequeueCondition.signal(); |
| 146 | } else { |
| 147 | // we're here because we're either |
| 148 | // - reducing the number of available buffers |
| 149 | // - or there is a client-buffer-count in effect |
| 150 | |
| 151 | // less than 2 buffers is never allowed |
| 152 | if (bufferCount < 2) |
| 153 | return BAD_VALUE; |
| 154 | |
| 155 | // when there is non client-buffer-count in effect, the client is not |
| 156 | // allowed to dequeue more than one buffer at a time, |
| 157 | // so the next time they dequeue a buffer, we know that they don't |
| 158 | // own one. the actual resizing will happen during the next |
| 159 | // dequeueBuffer. |
| 160 | |
| 161 | mServerBufferCount = bufferCount; |
| 162 | } |
| 163 | return OK; |
| 164 | } |
| 165 | |
| 166 | status_t SurfaceTexture::setBufferCountServer(int bufferCount) { |
| 167 | Mutex::Autolock lock(mMutex); |
| 168 | return setBufferCountServerLocked(bufferCount); |
| 169 | } |
| 170 | |
Jamie Gennis | 8ba32fa | 2010-12-20 11:27:26 -0800 | [diff] [blame] | 171 | status_t SurfaceTexture::setBufferCount(int bufferCount) { |
Jamie Gennis | fa28c35 | 2011-09-16 17:30:26 -0700 | [diff] [blame] | 172 | ST_LOGV("SurfaceTexture::setBufferCount"); |
Mathias Agopian | b3e518c | 2011-04-21 18:52:51 -0700 | [diff] [blame] | 173 | Mutex::Autolock lock(mMutex); |
Jamie Gennis | 9d4d6c1 | 2011-02-27 14:10:20 -0800 | [diff] [blame] | 174 | |
Jamie Gennis | 7b305ff | 2011-07-19 12:08:33 -0700 | [diff] [blame] | 175 | if (mAbandoned) { |
Jamie Gennis | fa28c35 | 2011-09-16 17:30:26 -0700 | [diff] [blame] | 176 | ST_LOGE("setBufferCount: SurfaceTexture has been abandoned!"); |
Jamie Gennis | 7b305ff | 2011-07-19 12:08:33 -0700 | [diff] [blame] | 177 | return NO_INIT; |
| 178 | } |
Pannag Sanketi | 292a31a | 2011-06-24 09:56:27 -0700 | [diff] [blame] | 179 | if (bufferCount > NUM_BUFFER_SLOTS) { |
Jamie Gennis | fa28c35 | 2011-09-16 17:30:26 -0700 | [diff] [blame] | 180 | ST_LOGE("setBufferCount: bufferCount larger than slots available"); |
Pannag Sanketi | 292a31a | 2011-06-24 09:56:27 -0700 | [diff] [blame] | 181 | return BAD_VALUE; |
| 182 | } |
| 183 | |
Mathias Agopian | 8072711 | 2011-05-02 19:51:12 -0700 | [diff] [blame] | 184 | // Error out if the user has dequeued buffers |
| 185 | for (int i=0 ; i<mBufferCount ; i++) { |
| 186 | if (mSlots[i].mBufferState == BufferSlot::DEQUEUED) { |
Jamie Gennis | fa28c35 | 2011-09-16 17:30:26 -0700 | [diff] [blame] | 187 | ST_LOGE("setBufferCount: client owns some buffers"); |
Mathias Agopian | 8072711 | 2011-05-02 19:51:12 -0700 | [diff] [blame] | 188 | return -EINVAL; |
| 189 | } |
| 190 | } |
Mathias Agopian | b3e518c | 2011-04-21 18:52:51 -0700 | [diff] [blame] | 191 | |
Jamie Gennis | 1c121f6 | 2011-07-30 16:00:11 -0700 | [diff] [blame] | 192 | const int minBufferSlots = mSynchronousMode ? |
| 193 | MIN_SYNC_BUFFER_SLOTS : MIN_ASYNC_BUFFER_SLOTS; |
Mathias Agopian | 8072711 | 2011-05-02 19:51:12 -0700 | [diff] [blame] | 194 | if (bufferCount == 0) { |
Mathias Agopian | 8072711 | 2011-05-02 19:51:12 -0700 | [diff] [blame] | 195 | mClientBufferCount = 0; |
| 196 | bufferCount = (mServerBufferCount >= minBufferSlots) ? |
| 197 | mServerBufferCount : minBufferSlots; |
| 198 | return setBufferCountServerLocked(bufferCount); |
| 199 | } |
| 200 | |
Jamie Gennis | 1c121f6 | 2011-07-30 16:00:11 -0700 | [diff] [blame] | 201 | if (bufferCount < minBufferSlots) { |
Jamie Gennis | fa28c35 | 2011-09-16 17:30:26 -0700 | [diff] [blame] | 202 | ST_LOGE("setBufferCount: requested buffer count (%d) is less than " |
Jamie Gennis | 1c121f6 | 2011-07-30 16:00:11 -0700 | [diff] [blame] | 203 | "minimum (%d)", bufferCount, minBufferSlots); |
Jamie Gennis | 9d4d6c1 | 2011-02-27 14:10:20 -0800 | [diff] [blame] | 204 | return BAD_VALUE; |
| 205 | } |
| 206 | |
Mathias Agopian | 8072711 | 2011-05-02 19:51:12 -0700 | [diff] [blame] | 207 | // here we're guaranteed that the client doesn't have dequeued buffers |
| 208 | // and will release all of its buffer references. |
Mathias Agopian | ef51b99 | 2011-08-10 15:28:58 -0700 | [diff] [blame] | 209 | freeAllBuffersLocked(); |
Jamie Gennis | 8ba32fa | 2010-12-20 11:27:26 -0800 | [diff] [blame] | 210 | mBufferCount = bufferCount; |
Mathias Agopian | 8072711 | 2011-05-02 19:51:12 -0700 | [diff] [blame] | 211 | mClientBufferCount = bufferCount; |
Jamie Gennis | 67eedd7 | 2011-01-09 13:25:39 -0800 | [diff] [blame] | 212 | mCurrentTexture = INVALID_BUFFER_SLOT; |
Mathias Agopian | b3e518c | 2011-04-21 18:52:51 -0700 | [diff] [blame] | 213 | mQueue.clear(); |
Mathias Agopian | b3e518c | 2011-04-21 18:52:51 -0700 | [diff] [blame] | 214 | mDequeueCondition.signal(); |
Jamie Gennis | 8ba32fa | 2010-12-20 11:27:26 -0800 | [diff] [blame] | 215 | return OK; |
| 216 | } |
| 217 | |
Mathias Agopian | a5c75c0 | 2011-03-31 19:10:24 -0700 | [diff] [blame] | 218 | status_t SurfaceTexture::setDefaultBufferSize(uint32_t w, uint32_t h) |
| 219 | { |
Mathias Agopian | 3fbce7c | 2011-07-25 19:56:08 -0700 | [diff] [blame] | 220 | if (!w || !h) { |
Jamie Gennis | fa28c35 | 2011-09-16 17:30:26 -0700 | [diff] [blame] | 221 | ST_LOGE("setDefaultBufferSize: dimensions cannot be 0 (w=%d, h=%d)", |
| 222 | w, h); |
Mathias Agopian | 3fbce7c | 2011-07-25 19:56:08 -0700 | [diff] [blame] | 223 | return BAD_VALUE; |
Mathias Agopian | a5c75c0 | 2011-03-31 19:10:24 -0700 | [diff] [blame] | 224 | } |
Mathias Agopian | 3fbce7c | 2011-07-25 19:56:08 -0700 | [diff] [blame] | 225 | |
| 226 | Mutex::Autolock lock(mMutex); |
| 227 | mDefaultWidth = w; |
| 228 | mDefaultHeight = h; |
Mathias Agopian | a5c75c0 | 2011-03-31 19:10:24 -0700 | [diff] [blame] | 229 | return OK; |
| 230 | } |
| 231 | |
Jamie Gennis | 7b305ff | 2011-07-19 12:08:33 -0700 | [diff] [blame] | 232 | status_t SurfaceTexture::requestBuffer(int slot, sp<GraphicBuffer>* buf) { |
Jamie Gennis | fa28c35 | 2011-09-16 17:30:26 -0700 | [diff] [blame] | 233 | ST_LOGV("SurfaceTexture::requestBuffer"); |
Jamie Gennis | 8ba32fa | 2010-12-20 11:27:26 -0800 | [diff] [blame] | 234 | Mutex::Autolock lock(mMutex); |
Jamie Gennis | 7b305ff | 2011-07-19 12:08:33 -0700 | [diff] [blame] | 235 | if (mAbandoned) { |
Jamie Gennis | fa28c35 | 2011-09-16 17:30:26 -0700 | [diff] [blame] | 236 | ST_LOGE("requestBuffer: SurfaceTexture has been abandoned!"); |
Jamie Gennis | 7b305ff | 2011-07-19 12:08:33 -0700 | [diff] [blame] | 237 | return NO_INIT; |
Jamie Gennis | 8ba32fa | 2010-12-20 11:27:26 -0800 | [diff] [blame] | 238 | } |
Jamie Gennis | 7b305ff | 2011-07-19 12:08:33 -0700 | [diff] [blame] | 239 | if (slot < 0 || mBufferCount <= slot) { |
Jamie Gennis | fa28c35 | 2011-09-16 17:30:26 -0700 | [diff] [blame] | 240 | ST_LOGE("requestBuffer: slot index out of range [0, %d]: %d", |
Jamie Gennis | 7b305ff | 2011-07-19 12:08:33 -0700 | [diff] [blame] | 241 | mBufferCount, slot); |
| 242 | return BAD_VALUE; |
| 243 | } |
| 244 | mSlots[slot].mRequestBufferCalled = true; |
| 245 | *buf = mSlots[slot].mGraphicBuffer; |
| 246 | return NO_ERROR; |
Mathias Agopian | c04f153 | 2011-04-25 20:22:14 -0700 | [diff] [blame] | 247 | } |
| 248 | |
| 249 | status_t SurfaceTexture::dequeueBuffer(int *outBuf, uint32_t w, uint32_t h, |
| 250 | uint32_t format, uint32_t usage) { |
Jamie Gennis | fa28c35 | 2011-09-16 17:30:26 -0700 | [diff] [blame] | 251 | ST_LOGV("SurfaceTexture::dequeueBuffer"); |
Mathias Agopian | c04f153 | 2011-04-25 20:22:14 -0700 | [diff] [blame] | 252 | |
Pannag Sanketi | 292a31a | 2011-06-24 09:56:27 -0700 | [diff] [blame] | 253 | if ((w && !h) || (!w && h)) { |
Jamie Gennis | fa28c35 | 2011-09-16 17:30:26 -0700 | [diff] [blame] | 254 | ST_LOGE("dequeueBuffer: invalid size: w=%u, h=%u", w, h); |
Mathias Agopian | c04f153 | 2011-04-25 20:22:14 -0700 | [diff] [blame] | 255 | return BAD_VALUE; |
Mathias Agopian | a5c75c0 | 2011-03-31 19:10:24 -0700 | [diff] [blame] | 256 | } |
| 257 | |
Mathias Agopian | c04f153 | 2011-04-25 20:22:14 -0700 | [diff] [blame] | 258 | Mutex::Autolock lock(mMutex); |
Mathias Agopian | 8072711 | 2011-05-02 19:51:12 -0700 | [diff] [blame] | 259 | |
| 260 | status_t returnFlags(OK); |
| 261 | |
Mathias Agopian | b3e518c | 2011-04-21 18:52:51 -0700 | [diff] [blame] | 262 | int found, foundSync; |
| 263 | int dequeuedCount = 0; |
| 264 | bool tryAgain = true; |
| 265 | while (tryAgain) { |
Mathias Agopian | 2560d14 | 2011-08-10 16:33:23 -0700 | [diff] [blame] | 266 | if (mAbandoned) { |
Jamie Gennis | fa28c35 | 2011-09-16 17:30:26 -0700 | [diff] [blame] | 267 | ST_LOGE("dequeueBuffer: SurfaceTexture has been abandoned!"); |
Mathias Agopian | 2560d14 | 2011-08-10 16:33:23 -0700 | [diff] [blame] | 268 | return NO_INIT; |
| 269 | } |
Mathias Agopian | 2560d14 | 2011-08-10 16:33:23 -0700 | [diff] [blame] | 270 | |
Mathias Agopian | 8072711 | 2011-05-02 19:51:12 -0700 | [diff] [blame] | 271 | // We need to wait for the FIFO to drain if the number of buffer |
| 272 | // needs to change. |
| 273 | // |
Mathias Agopian | 2560d14 | 2011-08-10 16:33:23 -0700 | [diff] [blame] | 274 | // The condition "number of buffers needs to change" is true if |
Mathias Agopian | 8072711 | 2011-05-02 19:51:12 -0700 | [diff] [blame] | 275 | // - the client doesn't care about how many buffers there are |
| 276 | // - AND the actual number of buffer is different from what was |
| 277 | // set in the last setBufferCountServer() |
| 278 | // - OR - |
| 279 | // setBufferCountServer() was set to a value incompatible with |
| 280 | // the synchronization mode (for instance because the sync mode |
| 281 | // changed since) |
| 282 | // |
| 283 | // As long as this condition is true AND the FIFO is not empty, we |
| 284 | // wait on mDequeueCondition. |
| 285 | |
Mathias Agopian | 2560d14 | 2011-08-10 16:33:23 -0700 | [diff] [blame] | 286 | const int minBufferCountNeeded = mSynchronousMode ? |
Mathias Agopian | 8072711 | 2011-05-02 19:51:12 -0700 | [diff] [blame] | 287 | MIN_SYNC_BUFFER_SLOTS : MIN_ASYNC_BUFFER_SLOTS; |
| 288 | |
Mathias Agopian | 2560d14 | 2011-08-10 16:33:23 -0700 | [diff] [blame] | 289 | const bool numberOfBuffersNeedsToChange = !mClientBufferCount && |
Mathias Agopian | 8072711 | 2011-05-02 19:51:12 -0700 | [diff] [blame] | 290 | ((mServerBufferCount != mBufferCount) || |
Mathias Agopian | 2560d14 | 2011-08-10 16:33:23 -0700 | [diff] [blame] | 291 | (mServerBufferCount < minBufferCountNeeded)); |
| 292 | |
| 293 | if (!mQueue.isEmpty() && numberOfBuffersNeedsToChange) { |
Mathias Agopian | 8072711 | 2011-05-02 19:51:12 -0700 | [diff] [blame] | 294 | // wait for the FIFO to drain |
Mathias Agopian | 2560d14 | 2011-08-10 16:33:23 -0700 | [diff] [blame] | 295 | mDequeueCondition.wait(mMutex); |
| 296 | // NOTE: we continue here because we need to reevaluate our |
| 297 | // whole state (eg: we could be abandoned or disconnected) |
| 298 | continue; |
Mathias Agopian | 8072711 | 2011-05-02 19:51:12 -0700 | [diff] [blame] | 299 | } |
| 300 | |
Mathias Agopian | 2560d14 | 2011-08-10 16:33:23 -0700 | [diff] [blame] | 301 | if (numberOfBuffersNeedsToChange) { |
Mathias Agopian | 8072711 | 2011-05-02 19:51:12 -0700 | [diff] [blame] | 302 | // here we're guaranteed that mQueue is empty |
Mathias Agopian | ef51b99 | 2011-08-10 15:28:58 -0700 | [diff] [blame] | 303 | freeAllBuffersLocked(); |
Mathias Agopian | 8072711 | 2011-05-02 19:51:12 -0700 | [diff] [blame] | 304 | mBufferCount = mServerBufferCount; |
| 305 | if (mBufferCount < minBufferCountNeeded) |
| 306 | mBufferCount = minBufferCountNeeded; |
| 307 | mCurrentTexture = INVALID_BUFFER_SLOT; |
| 308 | returnFlags |= ISurfaceTexture::RELEASE_ALL_BUFFERS; |
| 309 | } |
| 310 | |
| 311 | // look for a free buffer to give to the client |
Mathias Agopian | b3e518c | 2011-04-21 18:52:51 -0700 | [diff] [blame] | 312 | found = INVALID_BUFFER_SLOT; |
| 313 | foundSync = INVALID_BUFFER_SLOT; |
| 314 | dequeuedCount = 0; |
| 315 | for (int i = 0; i < mBufferCount; i++) { |
| 316 | const int state = mSlots[i].mBufferState; |
| 317 | if (state == BufferSlot::DEQUEUED) { |
| 318 | dequeuedCount++; |
| 319 | } |
Mathias Agopian | 29b5762 | 2011-08-17 15:42:04 -0700 | [diff] [blame] | 320 | |
| 321 | // if buffer is FREE it CANNOT be current |
| 322 | LOGW_IF((state == BufferSlot::FREE) && (mCurrentTexture==i), |
| 323 | "dequeueBuffer: buffer %d is both FREE and current!", i); |
| 324 | |
| 325 | if (ALLOW_DEQUEUE_CURRENT_BUFFER) { |
| 326 | if (state == BufferSlot::FREE || i == mCurrentTexture) { |
| 327 | foundSync = i; |
| 328 | if (i != mCurrentTexture) { |
| 329 | found = i; |
| 330 | break; |
| 331 | } |
| 332 | } |
| 333 | } else { |
| 334 | if (state == BufferSlot::FREE) { |
| 335 | foundSync = i; |
Mathias Agopian | b3e518c | 2011-04-21 18:52:51 -0700 | [diff] [blame] | 336 | found = i; |
| 337 | break; |
| 338 | } |
| 339 | } |
| 340 | } |
Mathias Agopian | 8072711 | 2011-05-02 19:51:12 -0700 | [diff] [blame] | 341 | |
| 342 | // clients are not allowed to dequeue more than one buffer |
| 343 | // if they didn't set a buffer count. |
| 344 | if (!mClientBufferCount && dequeuedCount) { |
| 345 | return -EINVAL; |
| 346 | } |
| 347 | |
Jamie Gennis | c2c8dfd | 2011-05-23 18:44:04 -0700 | [diff] [blame] | 348 | // See whether a buffer has been queued since the last setBufferCount so |
| 349 | // we know whether to perform the MIN_UNDEQUEUED_BUFFERS check below. |
| 350 | bool bufferHasBeenQueued = mCurrentTexture != INVALID_BUFFER_SLOT; |
| 351 | if (bufferHasBeenQueued) { |
| 352 | // make sure the client is not trying to dequeue more buffers |
| 353 | // than allowed. |
| 354 | const int avail = mBufferCount - (dequeuedCount+1); |
| 355 | if (avail < (MIN_UNDEQUEUED_BUFFERS-int(mSynchronousMode))) { |
Jamie Gennis | fa28c35 | 2011-09-16 17:30:26 -0700 | [diff] [blame] | 356 | ST_LOGE("dequeueBuffer: MIN_UNDEQUEUED_BUFFERS=%d exceeded " |
| 357 | "(dequeued=%d)", |
Jamie Gennis | c2c8dfd | 2011-05-23 18:44:04 -0700 | [diff] [blame] | 358 | MIN_UNDEQUEUED_BUFFERS-int(mSynchronousMode), |
| 359 | dequeuedCount); |
| 360 | return -EBUSY; |
| 361 | } |
Mathias Agopian | 8072711 | 2011-05-02 19:51:12 -0700 | [diff] [blame] | 362 | } |
| 363 | |
Mathias Agopian | b3e518c | 2011-04-21 18:52:51 -0700 | [diff] [blame] | 364 | // we're in synchronous mode and didn't find a buffer, we need to wait |
Mathias Agopian | 29b5762 | 2011-08-17 15:42:04 -0700 | [diff] [blame] | 365 | // for some buffers to be consumed |
Mathias Agopian | b3e518c | 2011-04-21 18:52:51 -0700 | [diff] [blame] | 366 | tryAgain = mSynchronousMode && (foundSync == INVALID_BUFFER_SLOT); |
| 367 | if (tryAgain) { |
| 368 | mDequeueCondition.wait(mMutex); |
Mathias Agopian | c04f153 | 2011-04-25 20:22:14 -0700 | [diff] [blame] | 369 | } |
| 370 | } |
Mathias Agopian | b3e518c | 2011-04-21 18:52:51 -0700 | [diff] [blame] | 371 | |
Mathias Agopian | 8072711 | 2011-05-02 19:51:12 -0700 | [diff] [blame] | 372 | if (mSynchronousMode && found == INVALID_BUFFER_SLOT) { |
| 373 | // foundSync guaranteed to be != INVALID_BUFFER_SLOT |
| 374 | found = foundSync; |
Mathias Agopian | b3e518c | 2011-04-21 18:52:51 -0700 | [diff] [blame] | 375 | } |
| 376 | |
Mathias Agopian | c04f153 | 2011-04-25 20:22:14 -0700 | [diff] [blame] | 377 | if (found == INVALID_BUFFER_SLOT) { |
| 378 | return -EBUSY; |
| 379 | } |
| 380 | |
| 381 | const int buf = found; |
| 382 | *outBuf = found; |
| 383 | |
Mathias Agopian | a5c75c0 | 2011-03-31 19:10:24 -0700 | [diff] [blame] | 384 | const bool useDefaultSize = !w && !h; |
| 385 | if (useDefaultSize) { |
| 386 | // use the default size |
| 387 | w = mDefaultWidth; |
| 388 | h = mDefaultHeight; |
| 389 | } |
| 390 | |
| 391 | const bool updateFormat = (format != 0); |
| 392 | if (!updateFormat) { |
| 393 | // keep the current (or default) format |
| 394 | format = mPixelFormat; |
| 395 | } |
| 396 | |
Mathias Agopian | b3e518c | 2011-04-21 18:52:51 -0700 | [diff] [blame] | 397 | // buffer is now in DEQUEUED (but can also be current at the same time, |
| 398 | // if we're in synchronous mode) |
| 399 | mSlots[buf].mBufferState = BufferSlot::DEQUEUED; |
| 400 | |
| 401 | const sp<GraphicBuffer>& buffer(mSlots[buf].mGraphicBuffer); |
Mathias Agopian | c04f153 | 2011-04-25 20:22:14 -0700 | [diff] [blame] | 402 | if ((buffer == NULL) || |
| 403 | (uint32_t(buffer->width) != w) || |
| 404 | (uint32_t(buffer->height) != h) || |
| 405 | (uint32_t(buffer->format) != format) || |
| 406 | ((uint32_t(buffer->usage) & usage) != usage)) |
| 407 | { |
| 408 | usage |= GraphicBuffer::USAGE_HW_TEXTURE; |
Mathias Agopian | d9e8c64 | 2011-07-01 14:53:49 -0700 | [diff] [blame] | 409 | status_t error; |
Mathias Agopian | c04f153 | 2011-04-25 20:22:14 -0700 | [diff] [blame] | 410 | sp<GraphicBuffer> graphicBuffer( |
Mathias Agopian | d9e8c64 | 2011-07-01 14:53:49 -0700 | [diff] [blame] | 411 | mGraphicBufferAlloc->createGraphicBuffer( |
| 412 | w, h, format, usage, &error)); |
Mathias Agopian | c04f153 | 2011-04-25 20:22:14 -0700 | [diff] [blame] | 413 | if (graphicBuffer == 0) { |
Jamie Gennis | fa28c35 | 2011-09-16 17:30:26 -0700 | [diff] [blame] | 414 | ST_LOGE("dequeueBuffer: SurfaceComposer::createGraphicBuffer " |
| 415 | "failed"); |
Mathias Agopian | d9e8c64 | 2011-07-01 14:53:49 -0700 | [diff] [blame] | 416 | return error; |
Mathias Agopian | c04f153 | 2011-04-25 20:22:14 -0700 | [diff] [blame] | 417 | } |
Mathias Agopian | a5c75c0 | 2011-03-31 19:10:24 -0700 | [diff] [blame] | 418 | if (updateFormat) { |
| 419 | mPixelFormat = format; |
| 420 | } |
Jamie Gennis | 8ba32fa | 2010-12-20 11:27:26 -0800 | [diff] [blame] | 421 | mSlots[buf].mGraphicBuffer = graphicBuffer; |
Mathias Agopian | b3e518c | 2011-04-21 18:52:51 -0700 | [diff] [blame] | 422 | mSlots[buf].mRequestBufferCalled = false; |
Jamie Gennis | 8ba32fa | 2010-12-20 11:27:26 -0800 | [diff] [blame] | 423 | if (mSlots[buf].mEglImage != EGL_NO_IMAGE_KHR) { |
| 424 | eglDestroyImageKHR(mSlots[buf].mEglDisplay, mSlots[buf].mEglImage); |
| 425 | mSlots[buf].mEglImage = EGL_NO_IMAGE_KHR; |
| 426 | mSlots[buf].mEglDisplay = EGL_NO_DISPLAY; |
| 427 | } |
Mathias Agopian | 8072711 | 2011-05-02 19:51:12 -0700 | [diff] [blame] | 428 | returnFlags |= ISurfaceTexture::BUFFER_NEEDS_REALLOCATION; |
Mathias Agopian | a5c75c0 | 2011-03-31 19:10:24 -0700 | [diff] [blame] | 429 | } |
Mathias Agopian | 8072711 | 2011-05-02 19:51:12 -0700 | [diff] [blame] | 430 | return returnFlags; |
Jamie Gennis | 8ba32fa | 2010-12-20 11:27:26 -0800 | [diff] [blame] | 431 | } |
| 432 | |
Mathias Agopian | b3e518c | 2011-04-21 18:52:51 -0700 | [diff] [blame] | 433 | status_t SurfaceTexture::setSynchronousMode(bool enabled) { |
| 434 | Mutex::Autolock lock(mMutex); |
Mathias Agopian | 8072711 | 2011-05-02 19:51:12 -0700 | [diff] [blame] | 435 | |
Jamie Gennis | 7b305ff | 2011-07-19 12:08:33 -0700 | [diff] [blame] | 436 | if (mAbandoned) { |
Jamie Gennis | fa28c35 | 2011-09-16 17:30:26 -0700 | [diff] [blame] | 437 | ST_LOGE("setSynchronousMode: SurfaceTexture has been abandoned!"); |
Jamie Gennis | 7b305ff | 2011-07-19 12:08:33 -0700 | [diff] [blame] | 438 | return NO_INIT; |
| 439 | } |
| 440 | |
Mathias Agopian | 8072711 | 2011-05-02 19:51:12 -0700 | [diff] [blame] | 441 | status_t err = OK; |
Grace Kloba | 14a0e58 | 2011-06-23 21:21:47 -0700 | [diff] [blame] | 442 | if (!mAllowSynchronousMode && enabled) |
| 443 | return err; |
| 444 | |
Mathias Agopian | 8072711 | 2011-05-02 19:51:12 -0700 | [diff] [blame] | 445 | if (!enabled) { |
| 446 | // going to asynchronous mode, drain the queue |
Mathias Agopian | 8e19c2e | 2011-08-10 17:35:09 -0700 | [diff] [blame] | 447 | err = drainQueueLocked(); |
| 448 | if (err != NO_ERROR) |
| 449 | return err; |
Mathias Agopian | 8072711 | 2011-05-02 19:51:12 -0700 | [diff] [blame] | 450 | } |
| 451 | |
Mathias Agopian | b3e518c | 2011-04-21 18:52:51 -0700 | [diff] [blame] | 452 | if (mSynchronousMode != enabled) { |
Mathias Agopian | 8072711 | 2011-05-02 19:51:12 -0700 | [diff] [blame] | 453 | // - if we're going to asynchronous mode, the queue is guaranteed to be |
| 454 | // empty here |
| 455 | // - if the client set the number of buffers, we're guaranteed that |
| 456 | // we have at least 3 (because we don't allow less) |
Mathias Agopian | b3e518c | 2011-04-21 18:52:51 -0700 | [diff] [blame] | 457 | mSynchronousMode = enabled; |
Mathias Agopian | b3e518c | 2011-04-21 18:52:51 -0700 | [diff] [blame] | 458 | mDequeueCondition.signal(); |
| 459 | } |
Mathias Agopian | 8072711 | 2011-05-02 19:51:12 -0700 | [diff] [blame] | 460 | return err; |
Mathias Agopian | b3e518c | 2011-04-21 18:52:51 -0700 | [diff] [blame] | 461 | } |
| 462 | |
Mathias Agopian | 97c602c | 2011-07-19 15:24:46 -0700 | [diff] [blame] | 463 | status_t SurfaceTexture::queueBuffer(int buf, int64_t timestamp, |
| 464 | uint32_t* outWidth, uint32_t* outHeight, uint32_t* outTransform) { |
Jamie Gennis | fa28c35 | 2011-09-16 17:30:26 -0700 | [diff] [blame] | 465 | ST_LOGV("SurfaceTexture::queueBuffer"); |
Mathias Agopian | cf46eb9 | 2011-05-11 15:05:29 -0700 | [diff] [blame] | 466 | |
| 467 | sp<FrameAvailableListener> listener; |
| 468 | |
| 469 | { // scope for the lock |
Jamie Gennis | 8cd5ba4 | 2011-05-19 13:33:00 -0700 | [diff] [blame] | 470 | Mutex::Autolock lock(mMutex); |
Jamie Gennis | 7b305ff | 2011-07-19 12:08:33 -0700 | [diff] [blame] | 471 | if (mAbandoned) { |
Jamie Gennis | fa28c35 | 2011-09-16 17:30:26 -0700 | [diff] [blame] | 472 | ST_LOGE("queueBuffer: SurfaceTexture has been abandoned!"); |
Jamie Gennis | 7b305ff | 2011-07-19 12:08:33 -0700 | [diff] [blame] | 473 | return NO_INIT; |
| 474 | } |
Jamie Gennis | 8cd5ba4 | 2011-05-19 13:33:00 -0700 | [diff] [blame] | 475 | if (buf < 0 || buf >= mBufferCount) { |
Jamie Gennis | fa28c35 | 2011-09-16 17:30:26 -0700 | [diff] [blame] | 476 | ST_LOGE("queueBuffer: slot index out of range [0, %d]: %d", |
Jamie Gennis | 8cd5ba4 | 2011-05-19 13:33:00 -0700 | [diff] [blame] | 477 | mBufferCount, buf); |
| 478 | return -EINVAL; |
| 479 | } else if (mSlots[buf].mBufferState != BufferSlot::DEQUEUED) { |
Jamie Gennis | fa28c35 | 2011-09-16 17:30:26 -0700 | [diff] [blame] | 480 | ST_LOGE("queueBuffer: slot %d is not owned by the client " |
| 481 | "(state=%d)", buf, mSlots[buf].mBufferState); |
Jamie Gennis | 8cd5ba4 | 2011-05-19 13:33:00 -0700 | [diff] [blame] | 482 | return -EINVAL; |
| 483 | } else if (buf == mCurrentTexture) { |
Jamie Gennis | fa28c35 | 2011-09-16 17:30:26 -0700 | [diff] [blame] | 484 | ST_LOGE("queueBuffer: slot %d is current!", buf); |
Jamie Gennis | 8cd5ba4 | 2011-05-19 13:33:00 -0700 | [diff] [blame] | 485 | return -EINVAL; |
| 486 | } else if (!mSlots[buf].mRequestBufferCalled) { |
Jamie Gennis | fa28c35 | 2011-09-16 17:30:26 -0700 | [diff] [blame] | 487 | ST_LOGE("queueBuffer: slot %d was enqueued without requesting a " |
Jamie Gennis | 8cd5ba4 | 2011-05-19 13:33:00 -0700 | [diff] [blame] | 488 | "buffer", buf); |
| 489 | return -EINVAL; |
| 490 | } |
Mathias Agopian | b3e518c | 2011-04-21 18:52:51 -0700 | [diff] [blame] | 491 | |
Jamie Gennis | 8cd5ba4 | 2011-05-19 13:33:00 -0700 | [diff] [blame] | 492 | if (mSynchronousMode) { |
Jamie Gennis | 3d8063b | 2011-06-26 18:27:47 -0700 | [diff] [blame] | 493 | // In synchronous mode we queue all buffers in a FIFO. |
Mathias Agopian | b3e518c | 2011-04-21 18:52:51 -0700 | [diff] [blame] | 494 | mQueue.push_back(buf); |
Jamie Gennis | 3d8063b | 2011-06-26 18:27:47 -0700 | [diff] [blame] | 495 | |
| 496 | // Synchronous mode always signals that an additional frame should |
| 497 | // be consumed. |
| 498 | listener = mFrameAvailableListener; |
Mathias Agopian | b3e518c | 2011-04-21 18:52:51 -0700 | [diff] [blame] | 499 | } else { |
Jamie Gennis | 3d8063b | 2011-06-26 18:27:47 -0700 | [diff] [blame] | 500 | // In asynchronous mode we only keep the most recent buffer. |
Jamie Gennis | 8cd5ba4 | 2011-05-19 13:33:00 -0700 | [diff] [blame] | 501 | if (mQueue.empty()) { |
| 502 | mQueue.push_back(buf); |
Jamie Gennis | 3d8063b | 2011-06-26 18:27:47 -0700 | [diff] [blame] | 503 | |
| 504 | // Asynchronous mode only signals that a frame should be |
| 505 | // consumed if no previous frame was pending. If a frame were |
| 506 | // pending then the consumer would have already been notified. |
| 507 | listener = mFrameAvailableListener; |
Jamie Gennis | 8cd5ba4 | 2011-05-19 13:33:00 -0700 | [diff] [blame] | 508 | } else { |
| 509 | Fifo::iterator front(mQueue.begin()); |
| 510 | // buffer currently queued is freed |
| 511 | mSlots[*front].mBufferState = BufferSlot::FREE; |
| 512 | // and we record the new buffer index in the queued list |
| 513 | *front = buf; |
| 514 | } |
Mathias Agopian | b3e518c | 2011-04-21 18:52:51 -0700 | [diff] [blame] | 515 | } |
Mathias Agopian | b3e518c | 2011-04-21 18:52:51 -0700 | [diff] [blame] | 516 | |
Jamie Gennis | 8cd5ba4 | 2011-05-19 13:33:00 -0700 | [diff] [blame] | 517 | mSlots[buf].mBufferState = BufferSlot::QUEUED; |
| 518 | mSlots[buf].mCrop = mNextCrop; |
| 519 | mSlots[buf].mTransform = mNextTransform; |
Mathias Agopian | 7734ebf | 2011-07-13 15:24:42 -0700 | [diff] [blame] | 520 | mSlots[buf].mScalingMode = mNextScalingMode; |
Jamie Gennis | 8cd5ba4 | 2011-05-19 13:33:00 -0700 | [diff] [blame] | 521 | mSlots[buf].mTimestamp = timestamp; |
| 522 | mDequeueCondition.signal(); |
Mathias Agopian | 3902be6 | 2011-08-17 12:45:40 -0700 | [diff] [blame] | 523 | |
| 524 | *outWidth = mDefaultWidth; |
| 525 | *outHeight = mDefaultHeight; |
| 526 | *outTransform = 0; |
Mathias Agopian | cf46eb9 | 2011-05-11 15:05:29 -0700 | [diff] [blame] | 527 | } // scope for the lock |
| 528 | |
| 529 | // call back without lock held |
| 530 | if (listener != 0) { |
| 531 | listener->onFrameAvailable(); |
| 532 | } |
Jamie Gennis | 8ba32fa | 2010-12-20 11:27:26 -0800 | [diff] [blame] | 533 | return OK; |
| 534 | } |
| 535 | |
| 536 | void SurfaceTexture::cancelBuffer(int buf) { |
Jamie Gennis | fa28c35 | 2011-09-16 17:30:26 -0700 | [diff] [blame] | 537 | ST_LOGV("SurfaceTexture::cancelBuffer"); |
Jamie Gennis | 8ba32fa | 2010-12-20 11:27:26 -0800 | [diff] [blame] | 538 | Mutex::Autolock lock(mMutex); |
Jamie Gennis | 7b305ff | 2011-07-19 12:08:33 -0700 | [diff] [blame] | 539 | |
| 540 | if (mAbandoned) { |
Jamie Gennis | fa28c35 | 2011-09-16 17:30:26 -0700 | [diff] [blame] | 541 | ST_LOGW("cancelBuffer: SurfaceTexture has been abandoned!"); |
Jamie Gennis | 7b305ff | 2011-07-19 12:08:33 -0700 | [diff] [blame] | 542 | return; |
| 543 | } |
| 544 | |
Mathias Agopian | b3e518c | 2011-04-21 18:52:51 -0700 | [diff] [blame] | 545 | if (buf < 0 || buf >= mBufferCount) { |
Jamie Gennis | fa28c35 | 2011-09-16 17:30:26 -0700 | [diff] [blame] | 546 | ST_LOGE("cancelBuffer: slot index out of range [0, %d]: %d", |
Mathias Agopian | b3e518c | 2011-04-21 18:52:51 -0700 | [diff] [blame] | 547 | mBufferCount, buf); |
Jamie Gennis | 8ba32fa | 2010-12-20 11:27:26 -0800 | [diff] [blame] | 548 | return; |
Mathias Agopian | b3e518c | 2011-04-21 18:52:51 -0700 | [diff] [blame] | 549 | } else if (mSlots[buf].mBufferState != BufferSlot::DEQUEUED) { |
Jamie Gennis | fa28c35 | 2011-09-16 17:30:26 -0700 | [diff] [blame] | 550 | ST_LOGE("cancelBuffer: slot %d is not owned by the client (state=%d)", |
Mathias Agopian | b3e518c | 2011-04-21 18:52:51 -0700 | [diff] [blame] | 551 | buf, mSlots[buf].mBufferState); |
Jamie Gennis | 8ba32fa | 2010-12-20 11:27:26 -0800 | [diff] [blame] | 552 | return; |
| 553 | } |
Mathias Agopian | b3e518c | 2011-04-21 18:52:51 -0700 | [diff] [blame] | 554 | mSlots[buf].mBufferState = BufferSlot::FREE; |
| 555 | mDequeueCondition.signal(); |
Jamie Gennis | 8ba32fa | 2010-12-20 11:27:26 -0800 | [diff] [blame] | 556 | } |
| 557 | |
Jamie Gennis | f238e28 | 2011-01-09 16:33:17 -0800 | [diff] [blame] | 558 | status_t SurfaceTexture::setCrop(const Rect& crop) { |
Jamie Gennis | fa28c35 | 2011-09-16 17:30:26 -0700 | [diff] [blame] | 559 | ST_LOGV("SurfaceTexture::setCrop"); |
Jamie Gennis | 8ba32fa | 2010-12-20 11:27:26 -0800 | [diff] [blame] | 560 | Mutex::Autolock lock(mMutex); |
Jamie Gennis | 7b305ff | 2011-07-19 12:08:33 -0700 | [diff] [blame] | 561 | if (mAbandoned) { |
Jamie Gennis | fa28c35 | 2011-09-16 17:30:26 -0700 | [diff] [blame] | 562 | ST_LOGE("setCrop: SurfaceTexture has been abandoned!"); |
Jamie Gennis | 7b305ff | 2011-07-19 12:08:33 -0700 | [diff] [blame] | 563 | return NO_INIT; |
| 564 | } |
Jamie Gennis | f238e28 | 2011-01-09 16:33:17 -0800 | [diff] [blame] | 565 | mNextCrop = crop; |
Jamie Gennis | 8ba32fa | 2010-12-20 11:27:26 -0800 | [diff] [blame] | 566 | return OK; |
| 567 | } |
| 568 | |
| 569 | status_t SurfaceTexture::setTransform(uint32_t transform) { |
Jamie Gennis | fa28c35 | 2011-09-16 17:30:26 -0700 | [diff] [blame] | 570 | ST_LOGV("SurfaceTexture::setTransform"); |
Jamie Gennis | 8ba32fa | 2010-12-20 11:27:26 -0800 | [diff] [blame] | 571 | Mutex::Autolock lock(mMutex); |
Jamie Gennis | 7b305ff | 2011-07-19 12:08:33 -0700 | [diff] [blame] | 572 | if (mAbandoned) { |
Jamie Gennis | fa28c35 | 2011-09-16 17:30:26 -0700 | [diff] [blame] | 573 | ST_LOGE("setTransform: SurfaceTexture has been abandoned!"); |
Jamie Gennis | 7b305ff | 2011-07-19 12:08:33 -0700 | [diff] [blame] | 574 | return NO_INIT; |
| 575 | } |
Jamie Gennis | f238e28 | 2011-01-09 16:33:17 -0800 | [diff] [blame] | 576 | mNextTransform = transform; |
Jamie Gennis | 8ba32fa | 2010-12-20 11:27:26 -0800 | [diff] [blame] | 577 | return OK; |
| 578 | } |
| 579 | |
Mathias Agopian | 5bfc245 | 2011-08-08 19:14:03 -0700 | [diff] [blame] | 580 | status_t SurfaceTexture::connect(int api, |
| 581 | uint32_t* outWidth, uint32_t* outHeight, uint32_t* outTransform) { |
Jamie Gennis | fa28c35 | 2011-09-16 17:30:26 -0700 | [diff] [blame] | 582 | ST_LOGV("SurfaceTexture::connect(this=%p, %d)", this, api); |
Jamie Gennis | fe0a87b | 2011-07-13 19:12:20 -0700 | [diff] [blame] | 583 | Mutex::Autolock lock(mMutex); |
Jamie Gennis | 7b305ff | 2011-07-19 12:08:33 -0700 | [diff] [blame] | 584 | |
| 585 | if (mAbandoned) { |
Jamie Gennis | fa28c35 | 2011-09-16 17:30:26 -0700 | [diff] [blame] | 586 | ST_LOGE("connect: SurfaceTexture has been abandoned!"); |
Jamie Gennis | 7b305ff | 2011-07-19 12:08:33 -0700 | [diff] [blame] | 587 | return NO_INIT; |
| 588 | } |
| 589 | |
Jamie Gennis | fe0a87b | 2011-07-13 19:12:20 -0700 | [diff] [blame] | 590 | int err = NO_ERROR; |
| 591 | switch (api) { |
| 592 | case NATIVE_WINDOW_API_EGL: |
| 593 | case NATIVE_WINDOW_API_CPU: |
| 594 | case NATIVE_WINDOW_API_MEDIA: |
| 595 | case NATIVE_WINDOW_API_CAMERA: |
| 596 | if (mConnectedApi != NO_CONNECTED_API) { |
Jamie Gennis | fa28c35 | 2011-09-16 17:30:26 -0700 | [diff] [blame] | 597 | ST_LOGE("connect: already connected (cur=%d, req=%d)", |
Mathias Agopian | 8f9dbf9 | 2011-07-13 17:39:11 -0700 | [diff] [blame] | 598 | mConnectedApi, api); |
Jamie Gennis | fe0a87b | 2011-07-13 19:12:20 -0700 | [diff] [blame] | 599 | err = -EINVAL; |
| 600 | } else { |
| 601 | mConnectedApi = api; |
Mathias Agopian | 5bfc245 | 2011-08-08 19:14:03 -0700 | [diff] [blame] | 602 | *outWidth = mDefaultWidth; |
| 603 | *outHeight = mDefaultHeight; |
| 604 | *outTransform = 0; |
Jamie Gennis | fe0a87b | 2011-07-13 19:12:20 -0700 | [diff] [blame] | 605 | } |
| 606 | break; |
| 607 | default: |
| 608 | err = -EINVAL; |
| 609 | break; |
| 610 | } |
| 611 | return err; |
| 612 | } |
| 613 | |
| 614 | status_t SurfaceTexture::disconnect(int api) { |
Jamie Gennis | fa28c35 | 2011-09-16 17:30:26 -0700 | [diff] [blame] | 615 | ST_LOGV("SurfaceTexture::disconnect(this=%p, %d)", this, api); |
Jamie Gennis | fe0a87b | 2011-07-13 19:12:20 -0700 | [diff] [blame] | 616 | Mutex::Autolock lock(mMutex); |
Jamie Gennis | 7b305ff | 2011-07-19 12:08:33 -0700 | [diff] [blame] | 617 | |
| 618 | if (mAbandoned) { |
Jamie Gennis | fa28c35 | 2011-09-16 17:30:26 -0700 | [diff] [blame] | 619 | ST_LOGE("disconnect: SurfaceTexture has been abandoned!"); |
Jamie Gennis | 7b305ff | 2011-07-19 12:08:33 -0700 | [diff] [blame] | 620 | return NO_INIT; |
| 621 | } |
| 622 | |
Jamie Gennis | fe0a87b | 2011-07-13 19:12:20 -0700 | [diff] [blame] | 623 | int err = NO_ERROR; |
| 624 | switch (api) { |
| 625 | case NATIVE_WINDOW_API_EGL: |
| 626 | case NATIVE_WINDOW_API_CPU: |
| 627 | case NATIVE_WINDOW_API_MEDIA: |
| 628 | case NATIVE_WINDOW_API_CAMERA: |
| 629 | if (mConnectedApi == api) { |
Mathias Agopian | 8e19c2e | 2011-08-10 17:35:09 -0700 | [diff] [blame] | 630 | drainQueueAndFreeBuffersLocked(); |
Jamie Gennis | fe0a87b | 2011-07-13 19:12:20 -0700 | [diff] [blame] | 631 | mConnectedApi = NO_CONNECTED_API; |
Mathias Agopian | 70e3f81 | 2011-08-25 17:03:30 -0700 | [diff] [blame] | 632 | mNextCrop.makeInvalid(); |
| 633 | mNextScalingMode = NATIVE_WINDOW_SCALING_MODE_FREEZE; |
| 634 | mNextTransform = 0; |
Mathias Agopian | 8e19c2e | 2011-08-10 17:35:09 -0700 | [diff] [blame] | 635 | mDequeueCondition.signal(); |
Jamie Gennis | fe0a87b | 2011-07-13 19:12:20 -0700 | [diff] [blame] | 636 | } else { |
Jamie Gennis | fa28c35 | 2011-09-16 17:30:26 -0700 | [diff] [blame] | 637 | ST_LOGE("disconnect: connected to another api (cur=%d, req=%d)", |
Mathias Agopian | 8f9dbf9 | 2011-07-13 17:39:11 -0700 | [diff] [blame] | 638 | mConnectedApi, api); |
Jamie Gennis | fe0a87b | 2011-07-13 19:12:20 -0700 | [diff] [blame] | 639 | err = -EINVAL; |
| 640 | } |
| 641 | break; |
| 642 | default: |
| 643 | err = -EINVAL; |
| 644 | break; |
| 645 | } |
| 646 | return err; |
| 647 | } |
| 648 | |
Mathias Agopian | 7734ebf | 2011-07-13 15:24:42 -0700 | [diff] [blame] | 649 | status_t SurfaceTexture::setScalingMode(int mode) { |
Jamie Gennis | fa28c35 | 2011-09-16 17:30:26 -0700 | [diff] [blame] | 650 | ST_LOGV("SurfaceTexture::setScalingMode(%d)", mode); |
Mathias Agopian | 7734ebf | 2011-07-13 15:24:42 -0700 | [diff] [blame] | 651 | |
| 652 | switch (mode) { |
| 653 | case NATIVE_WINDOW_SCALING_MODE_FREEZE: |
| 654 | case NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW: |
| 655 | break; |
| 656 | default: |
| 657 | return BAD_VALUE; |
| 658 | } |
| 659 | |
| 660 | Mutex::Autolock lock(mMutex); |
| 661 | mNextScalingMode = mode; |
| 662 | return OK; |
| 663 | } |
| 664 | |
Jamie Gennis | 8ba32fa | 2010-12-20 11:27:26 -0800 | [diff] [blame] | 665 | status_t SurfaceTexture::updateTexImage() { |
Jamie Gennis | fa28c35 | 2011-09-16 17:30:26 -0700 | [diff] [blame] | 666 | ST_LOGV("SurfaceTexture::updateTexImage"); |
Jamie Gennis | 8ba32fa | 2010-12-20 11:27:26 -0800 | [diff] [blame] | 667 | Mutex::Autolock lock(mMutex); |
| 668 | |
Mathias Agopian | e47498f | 2011-08-08 19:35:15 -0700 | [diff] [blame] | 669 | if (mAbandoned) { |
Jamie Gennis | fa28c35 | 2011-09-16 17:30:26 -0700 | [diff] [blame] | 670 | ST_LOGE("calling updateTexImage() on an abandoned SurfaceTexture"); |
Mathias Agopian | 8e19c2e | 2011-08-10 17:35:09 -0700 | [diff] [blame] | 671 | return NO_INIT; |
Mathias Agopian | e47498f | 2011-08-08 19:35:15 -0700 | [diff] [blame] | 672 | } |
| 673 | |
Jamie Gennis | 50c4efc | 2011-06-27 15:41:52 -0700 | [diff] [blame] | 674 | // In asynchronous mode the list is guaranteed to be one buffer |
| 675 | // deep, while in synchronous mode we use the oldest buffer. |
Mathias Agopian | b3e518c | 2011-04-21 18:52:51 -0700 | [diff] [blame] | 676 | if (!mQueue.empty()) { |
Mathias Agopian | b3e518c | 2011-04-21 18:52:51 -0700 | [diff] [blame] | 677 | Fifo::iterator front(mQueue.begin()); |
Jamie Gennis | 50c4efc | 2011-06-27 15:41:52 -0700 | [diff] [blame] | 678 | int buf = *front; |
Mathias Agopian | b3e518c | 2011-04-21 18:52:51 -0700 | [diff] [blame] | 679 | |
Jamie Gennis | f238e28 | 2011-01-09 16:33:17 -0800 | [diff] [blame] | 680 | // Update the GL texture object. |
Mathias Agopian | b3e518c | 2011-04-21 18:52:51 -0700 | [diff] [blame] | 681 | EGLImageKHR image = mSlots[buf].mEglImage; |
Jamie Gennis | 8ba32fa | 2010-12-20 11:27:26 -0800 | [diff] [blame] | 682 | if (image == EGL_NO_IMAGE_KHR) { |
| 683 | EGLDisplay dpy = eglGetCurrentDisplay(); |
Mathias Agopian | e47498f | 2011-08-08 19:35:15 -0700 | [diff] [blame] | 684 | if (mSlots[buf].mGraphicBuffer == 0) { |
Jamie Gennis | fa28c35 | 2011-09-16 17:30:26 -0700 | [diff] [blame] | 685 | ST_LOGE("buffer at slot %d is null", buf); |
Mathias Agopian | 8e19c2e | 2011-08-10 17:35:09 -0700 | [diff] [blame] | 686 | return BAD_VALUE; |
Mathias Agopian | e47498f | 2011-08-08 19:35:15 -0700 | [diff] [blame] | 687 | } |
Mathias Agopian | b3e518c | 2011-04-21 18:52:51 -0700 | [diff] [blame] | 688 | image = createImage(dpy, mSlots[buf].mGraphicBuffer); |
| 689 | mSlots[buf].mEglImage = image; |
| 690 | mSlots[buf].mEglDisplay = dpy; |
Mathias Agopian | 3cd5a11 | 2011-04-26 14:57:40 -0700 | [diff] [blame] | 691 | if (image == EGL_NO_IMAGE_KHR) { |
| 692 | // NOTE: if dpy was invalid, createImage() is guaranteed to |
| 693 | // fail. so we'd end up here. |
| 694 | return -EINVAL; |
| 695 | } |
Jamie Gennis | 8ba32fa | 2010-12-20 11:27:26 -0800 | [diff] [blame] | 696 | } |
Jamie Gennis | 0eb8851 | 2011-01-26 11:52:02 -0800 | [diff] [blame] | 697 | |
| 698 | GLint error; |
| 699 | while ((error = glGetError()) != GL_NO_ERROR) { |
Jamie Gennis | fa28c35 | 2011-09-16 17:30:26 -0700 | [diff] [blame] | 700 | ST_LOGW("updateTexImage: clearing GL error: %#04x", error); |
Jamie Gennis | 0eb8851 | 2011-01-26 11:52:02 -0800 | [diff] [blame] | 701 | } |
Mathias Agopian | 7a042bf | 2011-04-11 21:19:55 -0700 | [diff] [blame] | 702 | |
Jamie Gennis | fb1b5a2 | 2011-09-28 12:13:31 -0700 | [diff] [blame] | 703 | glBindTexture(mTexTarget, mTexName); |
| 704 | glEGLImageTargetTexture2DOES(mTexTarget, (GLeglImageOES)image); |
Mathias Agopian | 7a042bf | 2011-04-11 21:19:55 -0700 | [diff] [blame] | 705 | |
Jamie Gennis | 0eb8851 | 2011-01-26 11:52:02 -0800 | [diff] [blame] | 706 | bool failed = false; |
| 707 | while ((error = glGetError()) != GL_NO_ERROR) { |
Jamie Gennis | fa28c35 | 2011-09-16 17:30:26 -0700 | [diff] [blame] | 708 | ST_LOGE("error binding external texture image %p (slot %d): %#04x", |
Mathias Agopian | b3e518c | 2011-04-21 18:52:51 -0700 | [diff] [blame] | 709 | image, buf, error); |
Jamie Gennis | 0eb8851 | 2011-01-26 11:52:02 -0800 | [diff] [blame] | 710 | failed = true; |
| 711 | } |
| 712 | if (failed) { |
Jamie Gennis | 8ba32fa | 2010-12-20 11:27:26 -0800 | [diff] [blame] | 713 | return -EINVAL; |
| 714 | } |
Jamie Gennis | 9a78c90 | 2011-01-12 18:30:40 -0800 | [diff] [blame] | 715 | |
Mathias Agopian | b3e518c | 2011-04-21 18:52:51 -0700 | [diff] [blame] | 716 | if (mCurrentTexture != INVALID_BUFFER_SLOT) { |
Jamie Gennis | 50c4efc | 2011-06-27 15:41:52 -0700 | [diff] [blame] | 717 | // The current buffer becomes FREE if it was still in the queued |
Mathias Agopian | b3e518c | 2011-04-21 18:52:51 -0700 | [diff] [blame] | 718 | // state. If it has already been given to the client |
| 719 | // (synchronous mode), then it stays in DEQUEUED state. |
| 720 | if (mSlots[mCurrentTexture].mBufferState == BufferSlot::QUEUED) |
| 721 | mSlots[mCurrentTexture].mBufferState = BufferSlot::FREE; |
| 722 | } |
| 723 | |
Jamie Gennis | 9a78c90 | 2011-01-12 18:30:40 -0800 | [diff] [blame] | 724 | // Update the SurfaceTexture state. |
Mathias Agopian | b3e518c | 2011-04-21 18:52:51 -0700 | [diff] [blame] | 725 | mCurrentTexture = buf; |
Mathias Agopian | b3e518c | 2011-04-21 18:52:51 -0700 | [diff] [blame] | 726 | mCurrentTextureBuf = mSlots[buf].mGraphicBuffer; |
Jamie Gennis | 8cd5ba4 | 2011-05-19 13:33:00 -0700 | [diff] [blame] | 727 | mCurrentCrop = mSlots[buf].mCrop; |
| 728 | mCurrentTransform = mSlots[buf].mTransform; |
Mathias Agopian | 7734ebf | 2011-07-13 15:24:42 -0700 | [diff] [blame] | 729 | mCurrentScalingMode = mSlots[buf].mScalingMode; |
Jamie Gennis | 8cd5ba4 | 2011-05-19 13:33:00 -0700 | [diff] [blame] | 730 | mCurrentTimestamp = mSlots[buf].mTimestamp; |
Jamie Gennis | 736aa95 | 2011-06-12 17:03:06 -0700 | [diff] [blame] | 731 | computeCurrentTransformMatrix(); |
Jamie Gennis | 50c4efc | 2011-06-27 15:41:52 -0700 | [diff] [blame] | 732 | |
| 733 | // Now that we've passed the point at which failures can happen, |
| 734 | // it's safe to remove the buffer from the front of the queue. |
| 735 | mQueue.erase(front); |
Mathias Agopian | b3e518c | 2011-04-21 18:52:51 -0700 | [diff] [blame] | 736 | mDequeueCondition.signal(); |
Mathias Agopian | 7a042bf | 2011-04-11 21:19:55 -0700 | [diff] [blame] | 737 | } else { |
| 738 | // We always bind the texture even if we don't update its contents. |
Jamie Gennis | fb1b5a2 | 2011-09-28 12:13:31 -0700 | [diff] [blame] | 739 | glBindTexture(mTexTarget, mTexName); |
Jamie Gennis | 8ba32fa | 2010-12-20 11:27:26 -0800 | [diff] [blame] | 740 | } |
Jamie Gennis | 50c4efc | 2011-06-27 15:41:52 -0700 | [diff] [blame] | 741 | |
Jamie Gennis | 8ba32fa | 2010-12-20 11:27:26 -0800 | [diff] [blame] | 742 | return OK; |
| 743 | } |
| 744 | |
Mathias Agopian | 7a042bf | 2011-04-11 21:19:55 -0700 | [diff] [blame] | 745 | bool SurfaceTexture::isExternalFormat(uint32_t format) |
| 746 | { |
| 747 | switch (format) { |
| 748 | // supported YUV formats |
| 749 | case HAL_PIXEL_FORMAT_YV12: |
| 750 | // Legacy/deprecated YUV formats |
| 751 | case HAL_PIXEL_FORMAT_YCbCr_422_SP: |
| 752 | case HAL_PIXEL_FORMAT_YCrCb_420_SP: |
| 753 | case HAL_PIXEL_FORMAT_YCbCr_422_I: |
| 754 | return true; |
| 755 | } |
| 756 | |
| 757 | // Any OEM format needs to be considered |
| 758 | if (format>=0x100 && format<=0x1FF) |
| 759 | return true; |
| 760 | |
| 761 | return false; |
| 762 | } |
| 763 | |
Mathias Agopian | 7a042bf | 2011-04-11 21:19:55 -0700 | [diff] [blame] | 764 | GLenum SurfaceTexture::getCurrentTextureTarget() const { |
Jamie Gennis | fb1b5a2 | 2011-09-28 12:13:31 -0700 | [diff] [blame] | 765 | return mTexTarget; |
Mathias Agopian | 7a042bf | 2011-04-11 21:19:55 -0700 | [diff] [blame] | 766 | } |
| 767 | |
Jamie Gennis | f238e28 | 2011-01-09 16:33:17 -0800 | [diff] [blame] | 768 | void SurfaceTexture::getTransformMatrix(float mtx[16]) { |
Jamie Gennis | f238e28 | 2011-01-09 16:33:17 -0800 | [diff] [blame] | 769 | Mutex::Autolock lock(mMutex); |
Jamie Gennis | 736aa95 | 2011-06-12 17:03:06 -0700 | [diff] [blame] | 770 | memcpy(mtx, mCurrentTransformMatrix, sizeof(mCurrentTransformMatrix)); |
| 771 | } |
| 772 | |
| 773 | void SurfaceTexture::computeCurrentTransformMatrix() { |
Jamie Gennis | fa28c35 | 2011-09-16 17:30:26 -0700 | [diff] [blame] | 774 | ST_LOGV("SurfaceTexture::computeCurrentTransformMatrix"); |
Jamie Gennis | f238e28 | 2011-01-09 16:33:17 -0800 | [diff] [blame] | 775 | |
Jamie Gennis | a214c64 | 2011-01-14 13:53:31 -0800 | [diff] [blame] | 776 | float xform[16]; |
| 777 | for (int i = 0; i < 16; i++) { |
| 778 | xform[i] = mtxIdentity[i]; |
| 779 | } |
| 780 | if (mCurrentTransform & NATIVE_WINDOW_TRANSFORM_FLIP_H) { |
| 781 | float result[16]; |
| 782 | mtxMul(result, xform, mtxFlipH); |
| 783 | for (int i = 0; i < 16; i++) { |
| 784 | xform[i] = result[i]; |
| 785 | } |
| 786 | } |
| 787 | if (mCurrentTransform & NATIVE_WINDOW_TRANSFORM_FLIP_V) { |
| 788 | float result[16]; |
| 789 | mtxMul(result, xform, mtxFlipV); |
| 790 | for (int i = 0; i < 16; i++) { |
| 791 | xform[i] = result[i]; |
| 792 | } |
| 793 | } |
| 794 | if (mCurrentTransform & NATIVE_WINDOW_TRANSFORM_ROT_90) { |
| 795 | float result[16]; |
| 796 | mtxMul(result, xform, mtxRot90); |
| 797 | for (int i = 0; i < 16; i++) { |
| 798 | xform[i] = result[i]; |
| 799 | } |
Jamie Gennis | f238e28 | 2011-01-09 16:33:17 -0800 | [diff] [blame] | 800 | } |
| 801 | |
| 802 | sp<GraphicBuffer>& buf(mSlots[mCurrentTexture].mGraphicBuffer); |
Jamie Gennis | a214c64 | 2011-01-14 13:53:31 -0800 | [diff] [blame] | 803 | float tx, ty, sx, sy; |
| 804 | if (!mCurrentCrop.isEmpty()) { |
Jamie Gennis | d99c088 | 2011-03-10 16:24:46 -0800 | [diff] [blame] | 805 | // In order to prevent bilinear sampling at the of the crop rectangle we |
| 806 | // may need to shrink it by 2 texels in each direction. Normally this |
| 807 | // would just need to take 1/2 a texel off each end, but because the |
| 808 | // chroma channels will likely be subsampled we need to chop off a whole |
| 809 | // texel. This will cause artifacts if someone does nearest sampling |
| 810 | // with 1:1 pixel:texel ratio, but it's impossible to simultaneously |
| 811 | // accomodate the bilinear and nearest sampling uses. |
| 812 | // |
| 813 | // If nearest sampling turns out to be a desirable usage of these |
| 814 | // textures then we could add the ability to switch a SurfaceTexture to |
| 815 | // nearest-mode. Preferably, however, the image producers (video |
| 816 | // decoder, camera, etc.) would simply not use a crop rectangle (or at |
| 817 | // least not tell the framework about it) so that the GPU can do the |
| 818 | // correct edge behavior. |
| 819 | int xshrink = 0, yshrink = 0; |
| 820 | if (mCurrentCrop.left > 0) { |
| 821 | tx = float(mCurrentCrop.left + 1) / float(buf->getWidth()); |
| 822 | xshrink++; |
| 823 | } else { |
| 824 | tx = 0.0f; |
| 825 | } |
Mathias Agopian | a5c75c0 | 2011-03-31 19:10:24 -0700 | [diff] [blame] | 826 | if (mCurrentCrop.right < int32_t(buf->getWidth())) { |
Jamie Gennis | d99c088 | 2011-03-10 16:24:46 -0800 | [diff] [blame] | 827 | xshrink++; |
| 828 | } |
Mathias Agopian | a5c75c0 | 2011-03-31 19:10:24 -0700 | [diff] [blame] | 829 | if (mCurrentCrop.bottom < int32_t(buf->getHeight())) { |
Jamie Gennis | d99c088 | 2011-03-10 16:24:46 -0800 | [diff] [blame] | 830 | ty = (float(buf->getHeight() - mCurrentCrop.bottom) + 1.0f) / |
| 831 | float(buf->getHeight()); |
| 832 | yshrink++; |
| 833 | } else { |
| 834 | ty = 0.0f; |
| 835 | } |
| 836 | if (mCurrentCrop.top > 0) { |
| 837 | yshrink++; |
| 838 | } |
| 839 | sx = float(mCurrentCrop.width() - xshrink) / float(buf->getWidth()); |
| 840 | sy = float(mCurrentCrop.height() - yshrink) / float(buf->getHeight()); |
Jamie Gennis | a214c64 | 2011-01-14 13:53:31 -0800 | [diff] [blame] | 841 | } else { |
| 842 | tx = 0.0f; |
| 843 | ty = 0.0f; |
| 844 | sx = 1.0f; |
| 845 | sy = 1.0f; |
| 846 | } |
Jamie Gennis | f238e28 | 2011-01-09 16:33:17 -0800 | [diff] [blame] | 847 | float crop[16] = { |
Jamie Gennis | a214c64 | 2011-01-14 13:53:31 -0800 | [diff] [blame] | 848 | sx, 0, 0, 0, |
| 849 | 0, sy, 0, 0, |
Jamie Gennis | f238e28 | 2011-01-09 16:33:17 -0800 | [diff] [blame] | 850 | 0, 0, 1, 0, |
Jamie Gennis | d99c088 | 2011-03-10 16:24:46 -0800 | [diff] [blame] | 851 | tx, ty, 0, 1, |
Jamie Gennis | f238e28 | 2011-01-09 16:33:17 -0800 | [diff] [blame] | 852 | }; |
| 853 | |
Jamie Gennis | a214c64 | 2011-01-14 13:53:31 -0800 | [diff] [blame] | 854 | float mtxBeforeFlipV[16]; |
| 855 | mtxMul(mtxBeforeFlipV, crop, xform); |
| 856 | |
| 857 | // SurfaceFlinger expects the top of its window textures to be at a Y |
| 858 | // coordinate of 0, so SurfaceTexture must behave the same way. We don't |
| 859 | // want to expose this to applications, however, so we must add an |
| 860 | // additional vertical flip to the transform after all the other transforms. |
Jamie Gennis | 736aa95 | 2011-06-12 17:03:06 -0700 | [diff] [blame] | 861 | mtxMul(mCurrentTransformMatrix, mtxFlipV, mtxBeforeFlipV); |
Jamie Gennis | f238e28 | 2011-01-09 16:33:17 -0800 | [diff] [blame] | 862 | } |
| 863 | |
Eino-Ville Talvala | 1d01a12 | 2011-02-18 11:02:42 -0800 | [diff] [blame] | 864 | nsecs_t SurfaceTexture::getTimestamp() { |
Jamie Gennis | fa28c35 | 2011-09-16 17:30:26 -0700 | [diff] [blame] | 865 | ST_LOGV("SurfaceTexture::getTimestamp"); |
Eino-Ville Talvala | 1d01a12 | 2011-02-18 11:02:42 -0800 | [diff] [blame] | 866 | Mutex::Autolock lock(mMutex); |
| 867 | return mCurrentTimestamp; |
| 868 | } |
| 869 | |
Jamie Gennis | c4d4aea | 2011-01-13 14:43:36 -0800 | [diff] [blame] | 870 | void SurfaceTexture::setFrameAvailableListener( |
Pannag Sanketi | 292a31a | 2011-06-24 09:56:27 -0700 | [diff] [blame] | 871 | const sp<FrameAvailableListener>& listener) { |
Jamie Gennis | fa28c35 | 2011-09-16 17:30:26 -0700 | [diff] [blame] | 872 | ST_LOGV("SurfaceTexture::setFrameAvailableListener"); |
Jamie Gennis | c4d4aea | 2011-01-13 14:43:36 -0800 | [diff] [blame] | 873 | Mutex::Autolock lock(mMutex); |
Pannag Sanketi | 292a31a | 2011-06-24 09:56:27 -0700 | [diff] [blame] | 874 | mFrameAvailableListener = listener; |
Jamie Gennis | c4d4aea | 2011-01-13 14:43:36 -0800 | [diff] [blame] | 875 | } |
| 876 | |
Mathias Agopian | 8e19c2e | 2011-08-10 17:35:09 -0700 | [diff] [blame] | 877 | void SurfaceTexture::freeBufferLocked(int i) { |
| 878 | mSlots[i].mGraphicBuffer = 0; |
| 879 | mSlots[i].mBufferState = BufferSlot::FREE; |
| 880 | if (mSlots[i].mEglImage != EGL_NO_IMAGE_KHR) { |
| 881 | eglDestroyImageKHR(mSlots[i].mEglDisplay, mSlots[i].mEglImage); |
| 882 | mSlots[i].mEglImage = EGL_NO_IMAGE_KHR; |
| 883 | mSlots[i].mEglDisplay = EGL_NO_DISPLAY; |
| 884 | } |
| 885 | } |
| 886 | |
Mathias Agopian | ef51b99 | 2011-08-10 15:28:58 -0700 | [diff] [blame] | 887 | void SurfaceTexture::freeAllBuffersLocked() { |
| 888 | LOGW_IF(!mQueue.isEmpty(), |
| 889 | "freeAllBuffersLocked called but mQueue is not empty"); |
Mathias Agopian | 29b5762 | 2011-08-17 15:42:04 -0700 | [diff] [blame] | 890 | mCurrentTexture = INVALID_BUFFER_SLOT; |
Jamie Gennis | 8ba32fa | 2010-12-20 11:27:26 -0800 | [diff] [blame] | 891 | for (int i = 0; i < NUM_BUFFER_SLOTS; i++) { |
Mathias Agopian | 8e19c2e | 2011-08-10 17:35:09 -0700 | [diff] [blame] | 892 | freeBufferLocked(i); |
| 893 | } |
| 894 | } |
| 895 | |
| 896 | void SurfaceTexture::freeAllBuffersExceptHeadLocked() { |
| 897 | LOGW_IF(!mQueue.isEmpty(), |
| 898 | "freeAllBuffersExceptCurrentLocked called but mQueue is not empty"); |
| 899 | int head = -1; |
| 900 | if (!mQueue.empty()) { |
| 901 | Fifo::iterator front(mQueue.begin()); |
| 902 | head = *front; |
| 903 | } |
Mathias Agopian | 29b5762 | 2011-08-17 15:42:04 -0700 | [diff] [blame] | 904 | mCurrentTexture = INVALID_BUFFER_SLOT; |
Mathias Agopian | 8e19c2e | 2011-08-10 17:35:09 -0700 | [diff] [blame] | 905 | for (int i = 0; i < NUM_BUFFER_SLOTS; i++) { |
| 906 | if (i != head) { |
| 907 | freeBufferLocked(i); |
Jamie Gennis | 8ba32fa | 2010-12-20 11:27:26 -0800 | [diff] [blame] | 908 | } |
| 909 | } |
| 910 | } |
| 911 | |
Mathias Agopian | 8e19c2e | 2011-08-10 17:35:09 -0700 | [diff] [blame] | 912 | status_t SurfaceTexture::drainQueueLocked() { |
Mathias Agopian | 2560d14 | 2011-08-10 16:33:23 -0700 | [diff] [blame] | 913 | while (mSynchronousMode && !mQueue.isEmpty()) { |
| 914 | mDequeueCondition.wait(mMutex); |
Mathias Agopian | 8e19c2e | 2011-08-10 17:35:09 -0700 | [diff] [blame] | 915 | if (mAbandoned) { |
Jamie Gennis | fa28c35 | 2011-09-16 17:30:26 -0700 | [diff] [blame] | 916 | ST_LOGE("drainQueueLocked: SurfaceTexture has been abandoned!"); |
Mathias Agopian | 8e19c2e | 2011-08-10 17:35:09 -0700 | [diff] [blame] | 917 | return NO_INIT; |
| 918 | } |
| 919 | if (mConnectedApi == NO_CONNECTED_API) { |
Jamie Gennis | fa28c35 | 2011-09-16 17:30:26 -0700 | [diff] [blame] | 920 | ST_LOGE("drainQueueLocked: SurfaceTexture is not connected!"); |
Mathias Agopian | 8e19c2e | 2011-08-10 17:35:09 -0700 | [diff] [blame] | 921 | return NO_INIT; |
| 922 | } |
Mathias Agopian | 2560d14 | 2011-08-10 16:33:23 -0700 | [diff] [blame] | 923 | } |
Mathias Agopian | 8e19c2e | 2011-08-10 17:35:09 -0700 | [diff] [blame] | 924 | return NO_ERROR; |
| 925 | } |
| 926 | |
| 927 | status_t SurfaceTexture::drainQueueAndFreeBuffersLocked() { |
| 928 | status_t err = drainQueueLocked(); |
| 929 | if (err == NO_ERROR) { |
| 930 | if (mSynchronousMode) { |
| 931 | freeAllBuffersLocked(); |
| 932 | } else { |
| 933 | freeAllBuffersExceptHeadLocked(); |
| 934 | } |
| 935 | } |
| 936 | return err; |
Mathias Agopian | 2560d14 | 2011-08-10 16:33:23 -0700 | [diff] [blame] | 937 | } |
| 938 | |
Jamie Gennis | 8ba32fa | 2010-12-20 11:27:26 -0800 | [diff] [blame] | 939 | EGLImageKHR SurfaceTexture::createImage(EGLDisplay dpy, |
| 940 | const sp<GraphicBuffer>& graphicBuffer) { |
| 941 | EGLClientBuffer cbuf = (EGLClientBuffer)graphicBuffer->getNativeBuffer(); |
| 942 | EGLint attrs[] = { |
| 943 | EGL_IMAGE_PRESERVED_KHR, EGL_TRUE, |
| 944 | EGL_NONE, |
| 945 | }; |
| 946 | EGLImageKHR image = eglCreateImageKHR(dpy, EGL_NO_CONTEXT, |
| 947 | EGL_NATIVE_BUFFER_ANDROID, cbuf, attrs); |
Mathias Agopian | 3cd5a11 | 2011-04-26 14:57:40 -0700 | [diff] [blame] | 948 | if (image == EGL_NO_IMAGE_KHR) { |
| 949 | EGLint error = eglGetError(); |
Jamie Gennis | fa28c35 | 2011-09-16 17:30:26 -0700 | [diff] [blame] | 950 | ST_LOGE("error creating EGLImage: %#x", error); |
Jamie Gennis | 8ba32fa | 2010-12-20 11:27:26 -0800 | [diff] [blame] | 951 | } |
| 952 | return image; |
| 953 | } |
| 954 | |
Mathias Agopian | 7a042bf | 2011-04-11 21:19:55 -0700 | [diff] [blame] | 955 | sp<GraphicBuffer> SurfaceTexture::getCurrentBuffer() const { |
| 956 | Mutex::Autolock lock(mMutex); |
| 957 | return mCurrentTextureBuf; |
| 958 | } |
| 959 | |
| 960 | Rect SurfaceTexture::getCurrentCrop() const { |
| 961 | Mutex::Autolock lock(mMutex); |
| 962 | return mCurrentCrop; |
| 963 | } |
| 964 | |
| 965 | uint32_t SurfaceTexture::getCurrentTransform() const { |
| 966 | Mutex::Autolock lock(mMutex); |
| 967 | return mCurrentTransform; |
| 968 | } |
| 969 | |
Mathias Agopian | 7734ebf | 2011-07-13 15:24:42 -0700 | [diff] [blame] | 970 | uint32_t SurfaceTexture::getCurrentScalingMode() const { |
| 971 | Mutex::Autolock lock(mMutex); |
| 972 | return mCurrentScalingMode; |
| 973 | } |
| 974 | |
Mathias Agopian | eafabcd | 2011-04-20 14:20:59 -0700 | [diff] [blame] | 975 | int SurfaceTexture::query(int what, int* outValue) |
| 976 | { |
| 977 | Mutex::Autolock lock(mMutex); |
Jamie Gennis | 7b305ff | 2011-07-19 12:08:33 -0700 | [diff] [blame] | 978 | |
| 979 | if (mAbandoned) { |
Jamie Gennis | fa28c35 | 2011-09-16 17:30:26 -0700 | [diff] [blame] | 980 | ST_LOGE("query: SurfaceTexture has been abandoned!"); |
Jamie Gennis | 7b305ff | 2011-07-19 12:08:33 -0700 | [diff] [blame] | 981 | return NO_INIT; |
| 982 | } |
| 983 | |
Mathias Agopian | eafabcd | 2011-04-20 14:20:59 -0700 | [diff] [blame] | 984 | int value; |
| 985 | switch (what) { |
| 986 | case NATIVE_WINDOW_WIDTH: |
| 987 | value = mDefaultWidth; |
Mathias Agopian | eafabcd | 2011-04-20 14:20:59 -0700 | [diff] [blame] | 988 | break; |
| 989 | case NATIVE_WINDOW_HEIGHT: |
| 990 | value = mDefaultHeight; |
Mathias Agopian | eafabcd | 2011-04-20 14:20:59 -0700 | [diff] [blame] | 991 | break; |
| 992 | case NATIVE_WINDOW_FORMAT: |
| 993 | value = mPixelFormat; |
| 994 | break; |
| 995 | case NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS: |
| 996 | value = mSynchronousMode ? |
| 997 | (MIN_UNDEQUEUED_BUFFERS-1) : MIN_UNDEQUEUED_BUFFERS; |
| 998 | break; |
| 999 | default: |
| 1000 | return BAD_VALUE; |
| 1001 | } |
| 1002 | outValue[0] = value; |
| 1003 | return NO_ERROR; |
| 1004 | } |
Mathias Agopian | 7a042bf | 2011-04-11 21:19:55 -0700 | [diff] [blame] | 1005 | |
Jamie Gennis | 7b305ff | 2011-07-19 12:08:33 -0700 | [diff] [blame] | 1006 | void SurfaceTexture::abandon() { |
| 1007 | Mutex::Autolock lock(mMutex); |
Mathias Agopian | 8e19c2e | 2011-08-10 17:35:09 -0700 | [diff] [blame] | 1008 | mQueue.clear(); |
Jamie Gennis | 7b305ff | 2011-07-19 12:08:33 -0700 | [diff] [blame] | 1009 | mAbandoned = true; |
Mathias Agopian | 97a9884 | 2011-08-03 15:18:36 -0700 | [diff] [blame] | 1010 | mCurrentTextureBuf.clear(); |
Mathias Agopian | 8e19c2e | 2011-08-10 17:35:09 -0700 | [diff] [blame] | 1011 | freeAllBuffersLocked(); |
Jamie Gennis | 7b305ff | 2011-07-19 12:08:33 -0700 | [diff] [blame] | 1012 | mDequeueCondition.signal(); |
| 1013 | } |
| 1014 | |
Jamie Gennis | fa28c35 | 2011-09-16 17:30:26 -0700 | [diff] [blame] | 1015 | void SurfaceTexture::setName(const String8& name) { |
| 1016 | mName = name; |
| 1017 | } |
| 1018 | |
Mathias Agopian | 68c7794 | 2011-05-09 19:08:33 -0700 | [diff] [blame] | 1019 | void SurfaceTexture::dump(String8& result) const |
| 1020 | { |
| 1021 | char buffer[1024]; |
| 1022 | dump(result, "", buffer, 1024); |
| 1023 | } |
| 1024 | |
| 1025 | void SurfaceTexture::dump(String8& result, const char* prefix, |
| 1026 | char* buffer, size_t SIZE) const |
| 1027 | { |
| 1028 | Mutex::Autolock _l(mMutex); |
| 1029 | snprintf(buffer, SIZE, |
| 1030 | "%smBufferCount=%d, mSynchronousMode=%d, default-size=[%dx%d], " |
| 1031 | "mPixelFormat=%d, mTexName=%d\n", |
Jamie Gennis | fa28c35 | 2011-09-16 17:30:26 -0700 | [diff] [blame] | 1032 | prefix, mBufferCount, mSynchronousMode, mDefaultWidth, |
| 1033 | mDefaultHeight, mPixelFormat, mTexName); |
Mathias Agopian | 68c7794 | 2011-05-09 19:08:33 -0700 | [diff] [blame] | 1034 | result.append(buffer); |
| 1035 | |
| 1036 | String8 fifo; |
| 1037 | int fifoSize = 0; |
| 1038 | Fifo::const_iterator i(mQueue.begin()); |
| 1039 | while (i != mQueue.end()) { |
| 1040 | snprintf(buffer, SIZE, "%02d ", *i++); |
| 1041 | fifoSize++; |
| 1042 | fifo.append(buffer); |
| 1043 | } |
| 1044 | |
| 1045 | snprintf(buffer, SIZE, |
Jamie Gennis | 1f8e09f | 2011-07-19 17:58:43 -0700 | [diff] [blame] | 1046 | "%scurrent: {crop=[%d,%d,%d,%d], transform=0x%02x, current=%d}\n" |
Mathias Agopian | 68c7794 | 2011-05-09 19:08:33 -0700 | [diff] [blame] | 1047 | "%snext : {crop=[%d,%d,%d,%d], transform=0x%02x, FIFO(%d)={%s}}\n" |
| 1048 | , |
| 1049 | prefix, mCurrentCrop.left, |
| 1050 | mCurrentCrop.top, mCurrentCrop.right, mCurrentCrop.bottom, |
Jamie Gennis | 1f8e09f | 2011-07-19 17:58:43 -0700 | [diff] [blame] | 1051 | mCurrentTransform, mCurrentTexture, |
Jamie Gennis | fa28c35 | 2011-09-16 17:30:26 -0700 | [diff] [blame] | 1052 | prefix, mNextCrop.left, mNextCrop.top, mNextCrop.right, |
| 1053 | mNextCrop.bottom, mNextTransform, fifoSize, fifo.string() |
Mathias Agopian | 68c7794 | 2011-05-09 19:08:33 -0700 | [diff] [blame] | 1054 | ); |
| 1055 | result.append(buffer); |
| 1056 | |
| 1057 | struct { |
| 1058 | const char * operator()(int state) const { |
| 1059 | switch (state) { |
| 1060 | case BufferSlot::DEQUEUED: return "DEQUEUED"; |
| 1061 | case BufferSlot::QUEUED: return "QUEUED"; |
| 1062 | case BufferSlot::FREE: return "FREE"; |
| 1063 | default: return "Unknown"; |
| 1064 | } |
| 1065 | } |
| 1066 | } stateName; |
| 1067 | |
| 1068 | for (int i=0 ; i<mBufferCount ; i++) { |
| 1069 | const BufferSlot& slot(mSlots[i]); |
| 1070 | snprintf(buffer, SIZE, |
Mathias Agopian | ad795ba | 2011-08-08 16:02:13 -0700 | [diff] [blame] | 1071 | "%s%s[%02d] " |
Mathias Agopian | ad795ba | 2011-08-08 16:02:13 -0700 | [diff] [blame] | 1072 | "state=%-8s, crop=[%d,%d,%d,%d], " |
Mathias Agopian | 2db6f0a | 2011-08-09 15:48:43 -0700 | [diff] [blame] | 1073 | "transform=0x%02x, timestamp=%lld", |
Mathias Agopian | ad795ba | 2011-08-08 16:02:13 -0700 | [diff] [blame] | 1074 | prefix, (i==mCurrentTexture)?">":" ", i, |
Mathias Agopian | ad795ba | 2011-08-08 16:02:13 -0700 | [diff] [blame] | 1075 | stateName(slot.mBufferState), |
Jamie Gennis | fa28c35 | 2011-09-16 17:30:26 -0700 | [diff] [blame] | 1076 | slot.mCrop.left, slot.mCrop.top, slot.mCrop.right, |
| 1077 | slot.mCrop.bottom, slot.mTransform, slot.mTimestamp |
Mathias Agopian | 68c7794 | 2011-05-09 19:08:33 -0700 | [diff] [blame] | 1078 | ); |
| 1079 | result.append(buffer); |
Mathias Agopian | 2db6f0a | 2011-08-09 15:48:43 -0700 | [diff] [blame] | 1080 | |
| 1081 | const sp<GraphicBuffer>& buf(slot.mGraphicBuffer); |
| 1082 | if (buf != NULL) { |
| 1083 | snprintf(buffer, SIZE, |
| 1084 | ", %p [%4ux%4u:%4u,%3X]", |
Jamie Gennis | fa28c35 | 2011-09-16 17:30:26 -0700 | [diff] [blame] | 1085 | buf->handle, buf->width, buf->height, buf->stride, |
| 1086 | buf->format); |
Mathias Agopian | 2db6f0a | 2011-08-09 15:48:43 -0700 | [diff] [blame] | 1087 | result.append(buffer); |
| 1088 | } |
| 1089 | result.append("\n"); |
Mathias Agopian | 68c7794 | 2011-05-09 19:08:33 -0700 | [diff] [blame] | 1090 | } |
| 1091 | } |
| 1092 | |
Jamie Gennis | f238e28 | 2011-01-09 16:33:17 -0800 | [diff] [blame] | 1093 | static void mtxMul(float out[16], const float a[16], const float b[16]) { |
| 1094 | out[0] = a[0]*b[0] + a[4]*b[1] + a[8]*b[2] + a[12]*b[3]; |
| 1095 | out[1] = a[1]*b[0] + a[5]*b[1] + a[9]*b[2] + a[13]*b[3]; |
| 1096 | out[2] = a[2]*b[0] + a[6]*b[1] + a[10]*b[2] + a[14]*b[3]; |
| 1097 | out[3] = a[3]*b[0] + a[7]*b[1] + a[11]*b[2] + a[15]*b[3]; |
| 1098 | |
| 1099 | out[4] = a[0]*b[4] + a[4]*b[5] + a[8]*b[6] + a[12]*b[7]; |
| 1100 | out[5] = a[1]*b[4] + a[5]*b[5] + a[9]*b[6] + a[13]*b[7]; |
| 1101 | out[6] = a[2]*b[4] + a[6]*b[5] + a[10]*b[6] + a[14]*b[7]; |
| 1102 | out[7] = a[3]*b[4] + a[7]*b[5] + a[11]*b[6] + a[15]*b[7]; |
| 1103 | |
| 1104 | out[8] = a[0]*b[8] + a[4]*b[9] + a[8]*b[10] + a[12]*b[11]; |
| 1105 | out[9] = a[1]*b[8] + a[5]*b[9] + a[9]*b[10] + a[13]*b[11]; |
| 1106 | out[10] = a[2]*b[8] + a[6]*b[9] + a[10]*b[10] + a[14]*b[11]; |
| 1107 | out[11] = a[3]*b[8] + a[7]*b[9] + a[11]*b[10] + a[15]*b[11]; |
| 1108 | |
| 1109 | out[12] = a[0]*b[12] + a[4]*b[13] + a[8]*b[14] + a[12]*b[15]; |
| 1110 | out[13] = a[1]*b[12] + a[5]*b[13] + a[9]*b[14] + a[13]*b[15]; |
| 1111 | out[14] = a[2]*b[12] + a[6]*b[13] + a[10]*b[14] + a[14]*b[15]; |
| 1112 | out[15] = a[3]*b[12] + a[7]*b[13] + a[11]*b[14] + a[15]*b[15]; |
| 1113 | } |
| 1114 | |
Jamie Gennis | 8ba32fa | 2010-12-20 11:27:26 -0800 | [diff] [blame] | 1115 | }; // namespace android |