VirtualDisplaySurface.cpp revision 83ce7c162855742a2d9eeebc0cd70fe48d2cd125
1/* 2 * Copyright 2013 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_NDEBUG 0 18#include "VirtualDisplaySurface.h" 19 20#include <inttypes.h> 21 22#include "HWComposer.h" 23#include "SurfaceFlinger.h" 24 25#include <gui/BufferItem.h> 26#include <gui/BufferQueue.h> 27#include <gui/IProducerListener.h> 28#include <system/window.h> 29 30// --------------------------------------------------------------------------- 31namespace android { 32// --------------------------------------------------------------------------- 33 34#define VDS_LOGE(msg, ...) ALOGE("[%s] " msg, \ 35 mDisplayName.string(), ##__VA_ARGS__) 36#define VDS_LOGW_IF(cond, msg, ...) ALOGW_IF(cond, "[%s] " msg, \ 37 mDisplayName.string(), ##__VA_ARGS__) 38#define VDS_LOGV(msg, ...) ALOGV("[%s] " msg, \ 39 mDisplayName.string(), ##__VA_ARGS__) 40 41static const char* dbgCompositionTypeStr(DisplaySurface::CompositionType type) { 42 switch (type) { 43 case DisplaySurface::COMPOSITION_UNKNOWN: return "UNKNOWN"; 44 case DisplaySurface::COMPOSITION_GLES: return "GLES"; 45 case DisplaySurface::COMPOSITION_HWC: return "HWC"; 46 case DisplaySurface::COMPOSITION_MIXED: return "MIXED"; 47 default: return "<INVALID>"; 48 } 49} 50 51VirtualDisplaySurface::VirtualDisplaySurface(HWComposer& hwc, int32_t dispId, 52 const sp<IGraphicBufferProducer>& sink, 53 const sp<IGraphicBufferProducer>& bqProducer, 54 const sp<IGraphicBufferConsumer>& bqConsumer, 55 const String8& name) 56: ConsumerBase(bqConsumer), 57 mHwc(hwc), 58 mDisplayId(dispId), 59 mDisplayName(name), 60 mSource{}, 61 mDefaultOutputFormat(HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED), 62 mOutputFormat(HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED), 63 mOutputUsage(GRALLOC_USAGE_HW_COMPOSER), 64 mProducerSlotSource(0), 65 mProducerBuffers(), 66 mQueueBufferOutput(), 67 mSinkBufferWidth(0), 68 mSinkBufferHeight(0), 69 mCompositionType(COMPOSITION_UNKNOWN), 70 mFbFence(Fence::NO_FENCE), 71 mOutputFence(Fence::NO_FENCE), 72 mFbProducerSlot(BufferQueue::INVALID_BUFFER_SLOT), 73 mOutputProducerSlot(BufferQueue::INVALID_BUFFER_SLOT), 74 mDbgState(DBG_STATE_IDLE), 75 mDbgLastCompositionType(COMPOSITION_UNKNOWN), 76 mMustRecompose(false), 77 mForceHwcCopy(SurfaceFlinger::useHwcForRgbToYuv) 78{ 79 mSource[SOURCE_SINK] = sink; 80 mSource[SOURCE_SCRATCH] = bqProducer; 81 82 resetPerFrameState(); 83 84 int sinkWidth, sinkHeight; 85 sink->query(NATIVE_WINDOW_WIDTH, &sinkWidth); 86 sink->query(NATIVE_WINDOW_HEIGHT, &sinkHeight); 87 mSinkBufferWidth = sinkWidth; 88 mSinkBufferHeight = sinkHeight; 89 90 // Pick the buffer format to request from the sink when not rendering to it 91 // with GLES. If the consumer needs CPU access, use the default format 92 // set by the consumer. Otherwise allow gralloc to decide the format based 93 // on usage bits. 94 int sinkUsage; 95 sink->query(NATIVE_WINDOW_CONSUMER_USAGE_BITS, &sinkUsage); 96 if (sinkUsage & (GRALLOC_USAGE_SW_READ_MASK | GRALLOC_USAGE_SW_WRITE_MASK)) { 97 int sinkFormat; 98 sink->query(NATIVE_WINDOW_FORMAT, &sinkFormat); 99 mDefaultOutputFormat = sinkFormat; 100 } else { 101 mDefaultOutputFormat = HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED; 102 } 103 mOutputFormat = mDefaultOutputFormat; 104 105 ConsumerBase::mName = String8::format("VDS: %s", mDisplayName.string()); 106 mConsumer->setConsumerName(ConsumerBase::mName); 107 mConsumer->setConsumerUsageBits(GRALLOC_USAGE_HW_COMPOSER); 108 mConsumer->setDefaultBufferSize(sinkWidth, sinkHeight); 109 sink->setAsyncMode(true); 110 IGraphicBufferProducer::QueueBufferOutput output; 111 mSource[SOURCE_SCRATCH]->connect(NULL, NATIVE_WINDOW_API_EGL, false, &output); 112} 113 114VirtualDisplaySurface::~VirtualDisplaySurface() { 115 mSource[SOURCE_SCRATCH]->disconnect(NATIVE_WINDOW_API_EGL); 116} 117 118status_t VirtualDisplaySurface::beginFrame(bool mustRecompose) { 119 if (mDisplayId < 0) 120 return NO_ERROR; 121 122 mMustRecompose = mustRecompose; 123 124 VDS_LOGW_IF(mDbgState != DBG_STATE_IDLE, 125 "Unexpected beginFrame() in %s state", dbgStateStr()); 126 mDbgState = DBG_STATE_BEGUN; 127 128 return refreshOutputBuffer(); 129} 130 131status_t VirtualDisplaySurface::prepareFrame(CompositionType compositionType) { 132 if (mDisplayId < 0) 133 return NO_ERROR; 134 135 VDS_LOGW_IF(mDbgState != DBG_STATE_BEGUN, 136 "Unexpected prepareFrame() in %s state", dbgStateStr()); 137 mDbgState = DBG_STATE_PREPARED; 138 139 mCompositionType = compositionType; 140 if (mForceHwcCopy && mCompositionType == COMPOSITION_GLES) { 141 // Some hardware can do RGB->YUV conversion more efficiently in hardware 142 // controlled by HWC than in hardware controlled by the video encoder. 143 // Forcing GLES-composed frames to go through an extra copy by the HWC 144 // allows the format conversion to happen there, rather than passing RGB 145 // directly to the consumer. 146 // 147 // On the other hand, when the consumer prefers RGB or can consume RGB 148 // inexpensively, this forces an unnecessary copy. 149 mCompositionType = COMPOSITION_MIXED; 150 } 151 152 if (mCompositionType != mDbgLastCompositionType) { 153 VDS_LOGV("prepareFrame: composition type changed to %s", 154 dbgCompositionTypeStr(mCompositionType)); 155 mDbgLastCompositionType = mCompositionType; 156 } 157 158 if (mCompositionType != COMPOSITION_GLES && 159 (mOutputFormat != mDefaultOutputFormat || 160 mOutputUsage != GRALLOC_USAGE_HW_COMPOSER)) { 161 // We must have just switched from GLES-only to MIXED or HWC 162 // composition. Stop using the format and usage requested by the GLES 163 // driver; they may be suboptimal when HWC is writing to the output 164 // buffer. For example, if the output is going to a video encoder, and 165 // HWC can write directly to YUV, some hardware can skip a 166 // memory-to-memory RGB-to-YUV conversion step. 167 // 168 // If we just switched *to* GLES-only mode, we'll change the 169 // format/usage and get a new buffer when the GLES driver calls 170 // dequeueBuffer(). 171 mOutputFormat = mDefaultOutputFormat; 172 mOutputUsage = GRALLOC_USAGE_HW_COMPOSER; 173 refreshOutputBuffer(); 174 } 175 176 return NO_ERROR; 177} 178 179status_t VirtualDisplaySurface::advanceFrame() { 180 if (mDisplayId < 0) 181 return NO_ERROR; 182 183 if (mCompositionType == COMPOSITION_HWC) { 184 VDS_LOGW_IF(mDbgState != DBG_STATE_PREPARED, 185 "Unexpected advanceFrame() in %s state on HWC frame", 186 dbgStateStr()); 187 } else { 188 VDS_LOGW_IF(mDbgState != DBG_STATE_GLES_DONE, 189 "Unexpected advanceFrame() in %s state on GLES/MIXED frame", 190 dbgStateStr()); 191 } 192 mDbgState = DBG_STATE_HWC; 193 194 if (mOutputProducerSlot < 0 || 195 (mCompositionType != COMPOSITION_HWC && mFbProducerSlot < 0)) { 196 // Last chance bailout if something bad happened earlier. For example, 197 // in a GLES configuration, if the sink disappears then dequeueBuffer 198 // will fail, the GLES driver won't queue a buffer, but SurfaceFlinger 199 // will soldier on. So we end up here without a buffer. There should 200 // be lots of scary messages in the log just before this. 201 VDS_LOGE("advanceFrame: no buffer, bailing out"); 202 return NO_MEMORY; 203 } 204 205 sp<GraphicBuffer> fbBuffer = mFbProducerSlot >= 0 ? 206 mProducerBuffers[mFbProducerSlot] : sp<GraphicBuffer>(NULL); 207 sp<GraphicBuffer> outBuffer = mProducerBuffers[mOutputProducerSlot]; 208 VDS_LOGV("advanceFrame: fb=%d(%p) out=%d(%p)", 209 mFbProducerSlot, fbBuffer.get(), 210 mOutputProducerSlot, outBuffer.get()); 211 212 // At this point we know the output buffer acquire fence, 213 // so update HWC state with it. 214 mHwc.setOutputBuffer(mDisplayId, mOutputFence, outBuffer); 215 216 status_t result = NO_ERROR; 217 if (fbBuffer != NULL) { 218 uint32_t hwcSlot = 0; 219 sp<GraphicBuffer> hwcBuffer; 220 mHwcBufferCache.getHwcBuffer(mFbProducerSlot, fbBuffer, 221 &hwcSlot, &hwcBuffer); 222 223 // TODO: Correctly propagate the dataspace from GL composition 224 result = mHwc.setClientTarget(mDisplayId, hwcSlot, mFbFence, 225 hwcBuffer, HAL_DATASPACE_UNKNOWN); 226 } 227 228 return result; 229} 230 231void VirtualDisplaySurface::onFrameCommitted() { 232 if (mDisplayId < 0) 233 return; 234 235 VDS_LOGW_IF(mDbgState != DBG_STATE_HWC, 236 "Unexpected onFrameCommitted() in %s state", dbgStateStr()); 237 mDbgState = DBG_STATE_IDLE; 238 239 sp<Fence> retireFence = mHwc.getPresentFence(mDisplayId); 240 if (mCompositionType == COMPOSITION_MIXED && mFbProducerSlot >= 0) { 241 // release the scratch buffer back to the pool 242 Mutex::Autolock lock(mMutex); 243 int sslot = mapProducer2SourceSlot(SOURCE_SCRATCH, mFbProducerSlot); 244 VDS_LOGV("onFrameCommitted: release scratch sslot=%d", sslot); 245 addReleaseFenceLocked(sslot, mProducerBuffers[mFbProducerSlot], 246 retireFence); 247 releaseBufferLocked(sslot, mProducerBuffers[mFbProducerSlot], 248 EGL_NO_DISPLAY, EGL_NO_SYNC_KHR); 249 } 250 251 if (mOutputProducerSlot >= 0) { 252 int sslot = mapProducer2SourceSlot(SOURCE_SINK, mOutputProducerSlot); 253 QueueBufferOutput qbo; 254 VDS_LOGV("onFrameCommitted: queue sink sslot=%d", sslot); 255 if (mMustRecompose) { 256 status_t result = mSource[SOURCE_SINK]->queueBuffer(sslot, 257 QueueBufferInput( 258 systemTime(), false /* isAutoTimestamp */, 259 HAL_DATASPACE_UNKNOWN, 260 Rect(mSinkBufferWidth, mSinkBufferHeight), 261 NATIVE_WINDOW_SCALING_MODE_FREEZE, 0 /* transform */, 262 retireFence), 263 &qbo); 264 if (result == NO_ERROR) { 265 updateQueueBufferOutput(std::move(qbo)); 266 } 267 } else { 268 // If the surface hadn't actually been updated, then we only went 269 // through the motions of updating the display to keep our state 270 // machine happy. We cancel the buffer to avoid triggering another 271 // re-composition and causing an infinite loop. 272 mSource[SOURCE_SINK]->cancelBuffer(sslot, retireFence); 273 } 274 } 275 276 resetPerFrameState(); 277} 278 279void VirtualDisplaySurface::dumpAsString(String8& /* result */) const { 280} 281 282void VirtualDisplaySurface::resizeBuffers(const uint32_t w, const uint32_t h) { 283 mQueueBufferOutput.width = w; 284 mQueueBufferOutput.height = h; 285 mSinkBufferWidth = w; 286 mSinkBufferHeight = h; 287} 288 289const sp<Fence>& VirtualDisplaySurface::getClientTargetAcquireFence() const { 290 return mFbFence; 291} 292 293status_t VirtualDisplaySurface::requestBuffer(int pslot, 294 sp<GraphicBuffer>* outBuf) { 295 if (mDisplayId < 0) 296 return mSource[SOURCE_SINK]->requestBuffer(pslot, outBuf); 297 298 VDS_LOGW_IF(mDbgState != DBG_STATE_GLES, 299 "Unexpected requestBuffer pslot=%d in %s state", 300 pslot, dbgStateStr()); 301 302 *outBuf = mProducerBuffers[pslot]; 303 return NO_ERROR; 304} 305 306status_t VirtualDisplaySurface::setMaxDequeuedBufferCount( 307 int maxDequeuedBuffers) { 308 return mSource[SOURCE_SINK]->setMaxDequeuedBufferCount(maxDequeuedBuffers); 309} 310 311status_t VirtualDisplaySurface::setAsyncMode(bool async) { 312 return mSource[SOURCE_SINK]->setAsyncMode(async); 313} 314 315status_t VirtualDisplaySurface::dequeueBuffer(Source source, 316 PixelFormat format, uint64_t usage, int* sslot, sp<Fence>* fence) { 317 LOG_FATAL_IF(mDisplayId < 0, "mDisplayId=%d but should not be < 0.", mDisplayId); 318 319 status_t result = 320 mSource[source]->dequeueBuffer(sslot, fence, mSinkBufferWidth, mSinkBufferHeight, 321 format, usage, nullptr, nullptr); 322 if (result < 0) 323 return result; 324 int pslot = mapSource2ProducerSlot(source, *sslot); 325 VDS_LOGV("dequeueBuffer(%s): sslot=%d pslot=%d result=%d", 326 dbgSourceStr(source), *sslot, pslot, result); 327 uint64_t sourceBit = static_cast<uint64_t>(source) << pslot; 328 329 if ((mProducerSlotSource & (1ULL << pslot)) != sourceBit) { 330 // This slot was previously dequeued from the other source; must 331 // re-request the buffer. 332 result |= BUFFER_NEEDS_REALLOCATION; 333 mProducerSlotSource &= ~(1ULL << pslot); 334 mProducerSlotSource |= sourceBit; 335 } 336 337 if (result & RELEASE_ALL_BUFFERS) { 338 for (uint32_t i = 0; i < BufferQueue::NUM_BUFFER_SLOTS; i++) { 339 if ((mProducerSlotSource & (1ULL << i)) == sourceBit) 340 mProducerBuffers[i].clear(); 341 } 342 } 343 if (result & BUFFER_NEEDS_REALLOCATION) { 344 result = mSource[source]->requestBuffer(*sslot, &mProducerBuffers[pslot]); 345 if (result < 0) { 346 mProducerBuffers[pslot].clear(); 347 mSource[source]->cancelBuffer(*sslot, *fence); 348 return result; 349 } 350 VDS_LOGV("dequeueBuffer(%s): buffers[%d]=%p fmt=%d usage=%#" PRIx64, 351 dbgSourceStr(source), pslot, mProducerBuffers[pslot].get(), 352 mProducerBuffers[pslot]->getPixelFormat(), 353 mProducerBuffers[pslot]->getUsage()); 354 } 355 356 return result; 357} 358 359status_t VirtualDisplaySurface::dequeueBuffer(int* pslot, sp<Fence>* fence, uint32_t w, uint32_t h, 360 PixelFormat format, uint64_t usage, 361 uint64_t* outBufferAge, 362 FrameEventHistoryDelta* outTimestamps) { 363 if (mDisplayId < 0) { 364 return mSource[SOURCE_SINK]->dequeueBuffer(pslot, fence, w, h, format, usage, outBufferAge, 365 outTimestamps); 366 } 367 368 VDS_LOGW_IF(mDbgState != DBG_STATE_PREPARED, 369 "Unexpected dequeueBuffer() in %s state", dbgStateStr()); 370 mDbgState = DBG_STATE_GLES; 371 372 VDS_LOGV("dequeueBuffer %dx%d fmt=%d usage=%#" PRIx64, w, h, format, usage); 373 374 status_t result = NO_ERROR; 375 Source source = fbSourceForCompositionType(mCompositionType); 376 377 if (source == SOURCE_SINK) { 378 379 if (mOutputProducerSlot < 0) { 380 // Last chance bailout if something bad happened earlier. For example, 381 // in a GLES configuration, if the sink disappears then dequeueBuffer 382 // will fail, the GLES driver won't queue a buffer, but SurfaceFlinger 383 // will soldier on. So we end up here without a buffer. There should 384 // be lots of scary messages in the log just before this. 385 VDS_LOGE("dequeueBuffer: no buffer, bailing out"); 386 return NO_MEMORY; 387 } 388 389 // We already dequeued the output buffer. If the GLES driver wants 390 // something incompatible, we have to cancel and get a new one. This 391 // will mean that HWC will see a different output buffer between 392 // prepare and set, but since we're in GLES-only mode already it 393 // shouldn't matter. 394 395 usage |= GRALLOC_USAGE_HW_COMPOSER; 396 const sp<GraphicBuffer>& buf = mProducerBuffers[mOutputProducerSlot]; 397 if ((usage & ~buf->getUsage()) != 0 || 398 (format != 0 && format != buf->getPixelFormat()) || 399 (w != 0 && w != mSinkBufferWidth) || 400 (h != 0 && h != mSinkBufferHeight)) { 401 VDS_LOGV("dequeueBuffer: dequeueing new output buffer: " 402 "want %dx%d fmt=%d use=%#" PRIx64 ", " 403 "have %dx%d fmt=%d use=%#" PRIx64, 404 w, h, format, usage, 405 mSinkBufferWidth, mSinkBufferHeight, 406 buf->getPixelFormat(), buf->getUsage()); 407 mOutputFormat = format; 408 mOutputUsage = usage; 409 result = refreshOutputBuffer(); 410 if (result < 0) 411 return result; 412 } 413 } 414 415 if (source == SOURCE_SINK) { 416 *pslot = mOutputProducerSlot; 417 *fence = mOutputFence; 418 } else { 419 int sslot; 420 result = dequeueBuffer(source, format, usage, &sslot, fence); 421 if (result >= 0) { 422 *pslot = mapSource2ProducerSlot(source, sslot); 423 } 424 } 425 if (outBufferAge) { 426 *outBufferAge = 0; 427 } 428 return result; 429} 430 431status_t VirtualDisplaySurface::detachBuffer(int /* slot */) { 432 VDS_LOGE("detachBuffer is not available for VirtualDisplaySurface"); 433 return INVALID_OPERATION; 434} 435 436status_t VirtualDisplaySurface::detachNextBuffer( 437 sp<GraphicBuffer>* /* outBuffer */, sp<Fence>* /* outFence */) { 438 VDS_LOGE("detachNextBuffer is not available for VirtualDisplaySurface"); 439 return INVALID_OPERATION; 440} 441 442status_t VirtualDisplaySurface::attachBuffer(int* /* outSlot */, 443 const sp<GraphicBuffer>& /* buffer */) { 444 VDS_LOGE("attachBuffer is not available for VirtualDisplaySurface"); 445 return INVALID_OPERATION; 446} 447 448status_t VirtualDisplaySurface::queueBuffer(int pslot, 449 const QueueBufferInput& input, QueueBufferOutput* output) { 450 if (mDisplayId < 0) 451 return mSource[SOURCE_SINK]->queueBuffer(pslot, input, output); 452 453 VDS_LOGW_IF(mDbgState != DBG_STATE_GLES, 454 "Unexpected queueBuffer(pslot=%d) in %s state", pslot, 455 dbgStateStr()); 456 mDbgState = DBG_STATE_GLES_DONE; 457 458 VDS_LOGV("queueBuffer pslot=%d", pslot); 459 460 status_t result; 461 if (mCompositionType == COMPOSITION_MIXED) { 462 // Queue the buffer back into the scratch pool 463 QueueBufferOutput scratchQBO; 464 int sslot = mapProducer2SourceSlot(SOURCE_SCRATCH, pslot); 465 result = mSource[SOURCE_SCRATCH]->queueBuffer(sslot, input, &scratchQBO); 466 if (result != NO_ERROR) 467 return result; 468 469 // Now acquire the buffer from the scratch pool -- should be the same 470 // slot and fence as we just queued. 471 Mutex::Autolock lock(mMutex); 472 BufferItem item; 473 result = acquireBufferLocked(&item, 0); 474 if (result != NO_ERROR) 475 return result; 476 VDS_LOGW_IF(item.mSlot != sslot, 477 "queueBuffer: acquired sslot %d from SCRATCH after queueing sslot %d", 478 item.mSlot, sslot); 479 mFbProducerSlot = mapSource2ProducerSlot(SOURCE_SCRATCH, item.mSlot); 480 mFbFence = mSlots[item.mSlot].mFence; 481 482 } else { 483 LOG_FATAL_IF(mCompositionType != COMPOSITION_GLES, 484 "Unexpected queueBuffer in state %s for compositionType %s", 485 dbgStateStr(), dbgCompositionTypeStr(mCompositionType)); 486 487 // Extract the GLES release fence for HWC to acquire 488 int64_t timestamp; 489 bool isAutoTimestamp; 490 android_dataspace dataSpace; 491 Rect crop; 492 int scalingMode; 493 uint32_t transform; 494 input.deflate(×tamp, &isAutoTimestamp, &dataSpace, &crop, 495 &scalingMode, &transform, &mFbFence); 496 497 mFbProducerSlot = pslot; 498 mOutputFence = mFbFence; 499 } 500 501 // This moves the frame timestamps and keeps a copy of all other fields. 502 *output = std::move(mQueueBufferOutput); 503 return NO_ERROR; 504} 505 506status_t VirtualDisplaySurface::cancelBuffer(int pslot, 507 const sp<Fence>& fence) { 508 if (mDisplayId < 0) 509 return mSource[SOURCE_SINK]->cancelBuffer(mapProducer2SourceSlot(SOURCE_SINK, pslot), fence); 510 511 VDS_LOGW_IF(mDbgState != DBG_STATE_GLES, 512 "Unexpected cancelBuffer(pslot=%d) in %s state", pslot, 513 dbgStateStr()); 514 VDS_LOGV("cancelBuffer pslot=%d", pslot); 515 Source source = fbSourceForCompositionType(mCompositionType); 516 return mSource[source]->cancelBuffer( 517 mapProducer2SourceSlot(source, pslot), fence); 518} 519 520int VirtualDisplaySurface::query(int what, int* value) { 521 switch (what) { 522 case NATIVE_WINDOW_WIDTH: 523 *value = mSinkBufferWidth; 524 break; 525 case NATIVE_WINDOW_HEIGHT: 526 *value = mSinkBufferHeight; 527 break; 528 default: 529 return mSource[SOURCE_SINK]->query(what, value); 530 } 531 return NO_ERROR; 532} 533 534status_t VirtualDisplaySurface::connect(const sp<IProducerListener>& listener, 535 int api, bool producerControlledByApp, 536 QueueBufferOutput* output) { 537 QueueBufferOutput qbo; 538 status_t result = mSource[SOURCE_SINK]->connect(listener, api, 539 producerControlledByApp, &qbo); 540 if (result == NO_ERROR) { 541 updateQueueBufferOutput(std::move(qbo)); 542 // This moves the frame timestamps and keeps a copy of all other fields. 543 *output = std::move(mQueueBufferOutput); 544 } 545 return result; 546} 547 548status_t VirtualDisplaySurface::disconnect(int api, DisconnectMode mode) { 549 return mSource[SOURCE_SINK]->disconnect(api, mode); 550} 551 552status_t VirtualDisplaySurface::setSidebandStream(const sp<NativeHandle>& /*stream*/) { 553 return INVALID_OPERATION; 554} 555 556void VirtualDisplaySurface::allocateBuffers(uint32_t /* width */, 557 uint32_t /* height */, PixelFormat /* format */, uint64_t /* usage */) { 558 // TODO: Should we actually allocate buffers for a virtual display? 559} 560 561status_t VirtualDisplaySurface::allowAllocation(bool /* allow */) { 562 return INVALID_OPERATION; 563} 564 565status_t VirtualDisplaySurface::setGenerationNumber(uint32_t /* generation */) { 566 ALOGE("setGenerationNumber not supported on VirtualDisplaySurface"); 567 return INVALID_OPERATION; 568} 569 570String8 VirtualDisplaySurface::getConsumerName() const { 571 return String8("VirtualDisplaySurface"); 572} 573 574status_t VirtualDisplaySurface::setSharedBufferMode(bool /*sharedBufferMode*/) { 575 ALOGE("setSharedBufferMode not supported on VirtualDisplaySurface"); 576 return INVALID_OPERATION; 577} 578 579status_t VirtualDisplaySurface::setAutoRefresh(bool /*autoRefresh*/) { 580 ALOGE("setAutoRefresh not supported on VirtualDisplaySurface"); 581 return INVALID_OPERATION; 582} 583 584status_t VirtualDisplaySurface::setDequeueTimeout(nsecs_t /* timeout */) { 585 ALOGE("setDequeueTimeout not supported on VirtualDisplaySurface"); 586 return INVALID_OPERATION; 587} 588 589status_t VirtualDisplaySurface::getLastQueuedBuffer( 590 sp<GraphicBuffer>* /*outBuffer*/, sp<Fence>* /*outFence*/, 591 float[16] /* outTransformMatrix*/) { 592 ALOGE("getLastQueuedBuffer not supported on VirtualDisplaySurface"); 593 return INVALID_OPERATION; 594} 595 596status_t VirtualDisplaySurface::getUniqueId(uint64_t* /*outId*/) const { 597 ALOGE("getUniqueId not supported on VirtualDisplaySurface"); 598 return INVALID_OPERATION; 599} 600 601status_t VirtualDisplaySurface::getConsumerUsage(uint64_t* outUsage) const { 602 return mSource[SOURCE_SINK]->getConsumerUsage(outUsage); 603} 604 605void VirtualDisplaySurface::updateQueueBufferOutput( 606 QueueBufferOutput&& qbo) { 607 mQueueBufferOutput = std::move(qbo); 608 mQueueBufferOutput.transformHint = 0; 609} 610 611void VirtualDisplaySurface::resetPerFrameState() { 612 mCompositionType = COMPOSITION_UNKNOWN; 613 mFbFence = Fence::NO_FENCE; 614 mOutputFence = Fence::NO_FENCE; 615 mOutputProducerSlot = -1; 616 mFbProducerSlot = -1; 617} 618 619status_t VirtualDisplaySurface::refreshOutputBuffer() { 620 if (mOutputProducerSlot >= 0) { 621 mSource[SOURCE_SINK]->cancelBuffer( 622 mapProducer2SourceSlot(SOURCE_SINK, mOutputProducerSlot), 623 mOutputFence); 624 } 625 626 int sslot; 627 status_t result = dequeueBuffer(SOURCE_SINK, mOutputFormat, mOutputUsage, 628 &sslot, &mOutputFence); 629 if (result < 0) 630 return result; 631 mOutputProducerSlot = mapSource2ProducerSlot(SOURCE_SINK, sslot); 632 633 // On GLES-only frames, we don't have the right output buffer acquire fence 634 // until after GLES calls queueBuffer(). So here we just set the buffer 635 // (for use in HWC prepare) but not the fence; we'll call this again with 636 // the proper fence once we have it. 637 result = mHwc.setOutputBuffer(mDisplayId, Fence::NO_FENCE, 638 mProducerBuffers[mOutputProducerSlot]); 639 640 return result; 641} 642 643// This slot mapping function is its own inverse, so two copies are unnecessary. 644// Both are kept to make the intent clear where the function is called, and for 645// the (unlikely) chance that we switch to a different mapping function. 646int VirtualDisplaySurface::mapSource2ProducerSlot(Source source, int sslot) { 647 if (source == SOURCE_SCRATCH) { 648 return BufferQueue::NUM_BUFFER_SLOTS - sslot - 1; 649 } else { 650 return sslot; 651 } 652} 653int VirtualDisplaySurface::mapProducer2SourceSlot(Source source, int pslot) { 654 return mapSource2ProducerSlot(source, pslot); 655} 656 657VirtualDisplaySurface::Source 658VirtualDisplaySurface::fbSourceForCompositionType(CompositionType type) { 659 return type == COMPOSITION_MIXED ? SOURCE_SCRATCH : SOURCE_SINK; 660} 661 662const char* VirtualDisplaySurface::dbgStateStr() const { 663 switch (mDbgState) { 664 case DBG_STATE_IDLE: return "IDLE"; 665 case DBG_STATE_PREPARED: return "PREPARED"; 666 case DBG_STATE_GLES: return "GLES"; 667 case DBG_STATE_GLES_DONE: return "GLES_DONE"; 668 case DBG_STATE_HWC: return "HWC"; 669 default: return "INVALID"; 670 } 671} 672 673const char* VirtualDisplaySurface::dbgSourceStr(Source s) { 674 switch (s) { 675 case SOURCE_SINK: return "SINK"; 676 case SOURCE_SCRATCH: return "SCRATCH"; 677 default: return "INVALID"; 678 } 679} 680 681// --------------------------------------------------------------------------- 682} // namespace android 683// --------------------------------------------------------------------------- 684