Layer.cpp revision b30c415539813b96a831b75d07f3d12aef1aeab7
1/* 2 * Copyright (C) 2007 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#define ATRACE_TAG ATRACE_TAG_GRAPHICS 18 19#include <stdlib.h> 20#include <stdint.h> 21#include <sys/types.h> 22#include <math.h> 23 24#include <cutils/compiler.h> 25#include <cutils/native_handle.h> 26#include <cutils/properties.h> 27 28#include <utils/Errors.h> 29#include <utils/Log.h> 30#include <utils/StopWatch.h> 31#include <utils/Trace.h> 32 33#include <ui/GraphicBuffer.h> 34#include <ui/PixelFormat.h> 35 36#include <gui/Surface.h> 37 38#include "clz.h" 39#include "DisplayHardware/DisplayHardware.h" 40#include "DisplayHardware/HWComposer.h" 41#include "GLExtensions.h" 42#include "Layer.h" 43#include "SurfaceFlinger.h" 44#include "SurfaceTextureLayer.h" 45 46#define DEBUG_RESIZE 0 47 48namespace android { 49 50// --------------------------------------------------------------------------- 51 52Layer::Layer(SurfaceFlinger* flinger, 53 DisplayID display, const sp<Client>& client) 54 : LayerBaseClient(flinger, display, client), 55 mTextureName(-1U), 56 mQueuedFrames(0), 57 mCurrentTransform(0), 58 mCurrentScalingMode(NATIVE_WINDOW_SCALING_MODE_FREEZE), 59 mCurrentOpacity(true), 60 mRefreshPending(false), 61 mFrameLatencyNeeded(false), 62 mFrameLatencyOffset(0), 63 mFormat(PIXEL_FORMAT_NONE), 64 mGLExtensions(GLExtensions::getInstance()), 65 mOpaqueLayer(true), 66 mNeedsDithering(false), 67 mSecure(false), 68 mProtectedByApp(false) 69{ 70 mCurrentCrop.makeInvalid(); 71 glGenTextures(1, &mTextureName); 72} 73 74void Layer::onLayerDisplayed() { 75 if (mFrameLatencyNeeded) { 76 const DisplayHardware& hw(graphicPlane(0).displayHardware()); 77 mFrameStats[mFrameLatencyOffset].timestamp = mSurfaceTexture->getTimestamp(); 78 mFrameStats[mFrameLatencyOffset].set = systemTime(); 79 mFrameStats[mFrameLatencyOffset].vsync = hw.getRefreshTimestamp(); 80 mFrameLatencyOffset = (mFrameLatencyOffset + 1) % 128; 81 mFrameLatencyNeeded = false; 82 } 83} 84 85void Layer::onFirstRef() 86{ 87 LayerBaseClient::onFirstRef(); 88 89 struct FrameQueuedListener : public SurfaceTexture::FrameAvailableListener { 90 FrameQueuedListener(Layer* layer) : mLayer(layer) { } 91 private: 92 wp<Layer> mLayer; 93 virtual void onFrameAvailable() { 94 sp<Layer> that(mLayer.promote()); 95 if (that != 0) { 96 that->onFrameQueued(); 97 } 98 } 99 }; 100 101 // Creates a custom BufferQueue for SurfaceTexture to use 102 sp<BufferQueue> bq = new SurfaceTextureLayer(); 103 mSurfaceTexture = new SurfaceTexture(mTextureName, true, 104 GL_TEXTURE_EXTERNAL_OES, false, bq); 105 106 mSurfaceTexture->setConsumerUsageBits(getEffectiveUsage(0)); 107 mSurfaceTexture->setFrameAvailableListener(new FrameQueuedListener(this)); 108 mSurfaceTexture->setSynchronousMode(true); 109 110#ifdef TARGET_DISABLE_TRIPLE_BUFFERING 111#warning "disabling triple buffering" 112 mSurfaceTexture->setBufferCountServer(2); 113#else 114 mSurfaceTexture->setBufferCountServer(3); 115#endif 116} 117 118Layer::~Layer() 119{ 120 mFlinger->postMessageAsync( 121 new SurfaceFlinger::MessageDestroyGLTexture(mTextureName) ); 122} 123 124void Layer::onFrameQueued() { 125 android_atomic_inc(&mQueuedFrames); 126 mFlinger->signalLayerUpdate(); 127} 128 129// called with SurfaceFlinger::mStateLock as soon as the layer is entered 130// in the purgatory list 131void Layer::onRemoved() 132{ 133 mSurfaceTexture->abandon(); 134} 135 136void Layer::setName(const String8& name) { 137 LayerBase::setName(name); 138 mSurfaceTexture->setName(name); 139} 140 141void Layer::validateVisibility(const Transform& globalTransform) { 142 LayerBase::validateVisibility(globalTransform); 143 144 // This optimization allows the SurfaceTexture to bake in 145 // the rotation so hardware overlays can be used 146 mSurfaceTexture->setTransformHint(getTransformHint()); 147} 148 149sp<ISurface> Layer::createSurface() 150{ 151 class BSurface : public BnSurface, public LayerCleaner { 152 wp<const Layer> mOwner; 153 virtual sp<ISurfaceTexture> getSurfaceTexture() const { 154 sp<ISurfaceTexture> res; 155 sp<const Layer> that( mOwner.promote() ); 156 if (that != NULL) { 157 res = that->mSurfaceTexture->getBufferQueue(); 158 } 159 return res; 160 } 161 public: 162 BSurface(const sp<SurfaceFlinger>& flinger, 163 const sp<Layer>& layer) 164 : LayerCleaner(flinger, layer), mOwner(layer) { } 165 }; 166 sp<ISurface> sur(new BSurface(mFlinger, this)); 167 return sur; 168} 169 170wp<IBinder> Layer::getSurfaceTextureBinder() const 171{ 172 return mSurfaceTexture->getBufferQueue()->asBinder(); 173} 174 175status_t Layer::setBuffers( uint32_t w, uint32_t h, 176 PixelFormat format, uint32_t flags) 177{ 178 // this surfaces pixel format 179 PixelFormatInfo info; 180 status_t err = getPixelFormatInfo(format, &info); 181 if (err) { 182 ALOGE("unsupported pixelformat %d", format); 183 return err; 184 } 185 186 // the display's pixel format 187 const DisplayHardware& hw(graphicPlane(0).displayHardware()); 188 uint32_t const maxSurfaceDims = min( 189 hw.getMaxTextureSize(), hw.getMaxViewportDims()); 190 191 // never allow a surface larger than what our underlying GL implementation 192 // can handle. 193 if ((uint32_t(w)>maxSurfaceDims) || (uint32_t(h)>maxSurfaceDims)) { 194 ALOGE("dimensions too large %u x %u", uint32_t(w), uint32_t(h)); 195 return BAD_VALUE; 196 } 197 198 PixelFormatInfo displayInfo; 199 getPixelFormatInfo(hw.getFormat(), &displayInfo); 200 const uint32_t hwFlags = hw.getFlags(); 201 202 mFormat = format; 203 204 mSecure = (flags & ISurfaceComposer::eSecure) ? true : false; 205 mProtectedByApp = (flags & ISurfaceComposer::eProtectedByApp) ? true : false; 206 mOpaqueLayer = (flags & ISurfaceComposer::eOpaque); 207 mCurrentOpacity = getOpacityForFormat(format); 208 209 mSurfaceTexture->setDefaultBufferSize(w, h); 210 mSurfaceTexture->setDefaultBufferFormat(format); 211 mSurfaceTexture->setConsumerUsageBits(getEffectiveUsage(0)); 212 213 // we use the red index 214 int displayRedSize = displayInfo.getSize(PixelFormatInfo::INDEX_RED); 215 int layerRedsize = info.getSize(PixelFormatInfo::INDEX_RED); 216 mNeedsDithering = layerRedsize > displayRedSize; 217 218 return NO_ERROR; 219} 220 221Rect Layer::computeBufferCrop() const { 222 // Start with the SurfaceTexture's buffer crop... 223 Rect crop; 224 if (!mCurrentCrop.isEmpty()) { 225 crop = mCurrentCrop; 226 } else if (mActiveBuffer != NULL){ 227 crop = Rect(mActiveBuffer->getWidth(), mActiveBuffer->getHeight()); 228 } else { 229 crop = Rect(mTransformedBounds.width(), mTransformedBounds.height()); 230 } 231 232 // ... then reduce that in the same proportions as the window crop reduces 233 // the window size. 234 const State& s(drawingState()); 235 if (!s.active.crop.isEmpty()) { 236 // Transform the window crop to match the buffer coordinate system, 237 // which means using the inverse of the current transform set on the 238 // SurfaceTexture. 239 uint32_t invTransform = mCurrentTransform; 240 int winWidth = s.active.w; 241 int winHeight = s.active.h; 242 if (invTransform & NATIVE_WINDOW_TRANSFORM_ROT_90) { 243 invTransform ^= NATIVE_WINDOW_TRANSFORM_FLIP_V | 244 NATIVE_WINDOW_TRANSFORM_FLIP_H; 245 winWidth = s.active.h; 246 winHeight = s.active.w; 247 } 248 Rect winCrop = s.active.crop.transform(invTransform, 249 s.active.w, s.active.h); 250 251 float xScale = float(crop.width()) / float(winWidth); 252 float yScale = float(crop.height()) / float(winHeight); 253 crop.left += int(ceilf(float(winCrop.left) * xScale)); 254 crop.top += int(ceilf(float(winCrop.top) * yScale)); 255 crop.right -= int(ceilf(float(winWidth - winCrop.right) * xScale)); 256 crop.bottom -= int(ceilf(float(winHeight - winCrop.bottom) * yScale)); 257 } 258 259 return crop; 260} 261 262void Layer::setGeometry(hwc_layer_t* hwcl) 263{ 264 LayerBaseClient::setGeometry(hwcl); 265 266 hwcl->flags &= ~HWC_SKIP_LAYER; 267 268 // we can't do alpha-fade with the hwc HAL 269 const State& s(drawingState()); 270 if (s.alpha < 0xFF) { 271 hwcl->flags = HWC_SKIP_LAYER; 272 } 273 274 /* 275 * Transformations are applied in this order: 276 * 1) buffer orientation/flip/mirror 277 * 2) state transformation (window manager) 278 * 3) layer orientation (screen orientation) 279 * mTransform is already the composition of (2) and (3) 280 * (NOTE: the matrices are multiplied in reverse order) 281 */ 282 283 const Transform bufferOrientation(mCurrentTransform); 284 const Transform tr(mTransform * bufferOrientation); 285 286 // this gives us only the "orientation" component of the transform 287 const uint32_t finalTransform = tr.getOrientation(); 288 289 // we can only handle simple transformation 290 if (finalTransform & Transform::ROT_INVALID) { 291 hwcl->flags = HWC_SKIP_LAYER; 292 } else { 293 hwcl->transform = finalTransform; 294 } 295 296 Rect crop = computeBufferCrop(); 297 hwcl->sourceCrop.left = crop.left; 298 hwcl->sourceCrop.top = crop.top; 299 hwcl->sourceCrop.right = crop.right; 300 hwcl->sourceCrop.bottom = crop.bottom; 301} 302 303void Layer::setPerFrameData(hwc_layer_t* hwcl) { 304 const sp<GraphicBuffer>& buffer(mActiveBuffer); 305 if (buffer == NULL) { 306 // this can happen if the client never drew into this layer yet, 307 // or if we ran out of memory. In that case, don't let 308 // HWC handle it. 309 hwcl->flags |= HWC_SKIP_LAYER; 310 hwcl->handle = NULL; 311 } else { 312 hwcl->handle = buffer->handle; 313 } 314} 315 316void Layer::onDraw(const Region& clip) const 317{ 318 ATRACE_CALL(); 319 320 if (CC_UNLIKELY(mActiveBuffer == 0)) { 321 // the texture has not been created yet, this Layer has 322 // in fact never been drawn into. This happens frequently with 323 // SurfaceView because the WindowManager can't know when the client 324 // has drawn the first time. 325 326 // If there is nothing under us, we paint the screen in black, otherwise 327 // we just skip this update. 328 329 // figure out if there is something below us 330 Region under; 331 const SurfaceFlinger::LayerVector& drawingLayers( 332 mFlinger->mDrawingState.layersSortedByZ); 333 const size_t count = drawingLayers.size(); 334 for (size_t i=0 ; i<count ; ++i) { 335 const sp<LayerBase>& layer(drawingLayers[i]); 336 if (layer.get() == static_cast<LayerBase const*>(this)) 337 break; 338 under.orSelf(layer->visibleRegionScreen); 339 } 340 // if not everything below us is covered, we plug the holes! 341 Region holes(clip.subtract(under)); 342 if (!holes.isEmpty()) { 343 clearWithOpenGL(holes, 0, 0, 0, 1); 344 } 345 return; 346 } 347 348 if (!isProtected()) { 349 // TODO: we could be more subtle with isFixedSize() 350 const bool useFiltering = getFiltering() || needsFiltering() || isFixedSize(); 351 352 // Query the texture matrix given our current filtering mode. 353 float textureMatrix[16]; 354 mSurfaceTexture->setFilteringEnabled(useFiltering); 355 mSurfaceTexture->getTransformMatrix(textureMatrix); 356 357 // Set things up for texturing. 358 glBindTexture(GL_TEXTURE_EXTERNAL_OES, mTextureName); 359 GLenum filter = GL_NEAREST; 360 if (useFiltering) { 361 filter = GL_LINEAR; 362 } 363 glTexParameterx(GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_MAG_FILTER, filter); 364 glTexParameterx(GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_MIN_FILTER, filter); 365 glMatrixMode(GL_TEXTURE); 366 glLoadMatrixf(textureMatrix); 367 glMatrixMode(GL_MODELVIEW); 368 glDisable(GL_TEXTURE_2D); 369 glEnable(GL_TEXTURE_EXTERNAL_OES); 370 } else { 371 glBindTexture(GL_TEXTURE_2D, mFlinger->getProtectedTexName()); 372 glMatrixMode(GL_TEXTURE); 373 glLoadIdentity(); 374 glMatrixMode(GL_MODELVIEW); 375 glDisable(GL_TEXTURE_EXTERNAL_OES); 376 glEnable(GL_TEXTURE_2D); 377 } 378 379 drawWithOpenGL(clip); 380 381 glDisable(GL_TEXTURE_EXTERNAL_OES); 382 glDisable(GL_TEXTURE_2D); 383} 384 385// As documented in libhardware header, formats in the range 386// 0x100 - 0x1FF are specific to the HAL implementation, and 387// are known to have no alpha channel 388// TODO: move definition for device-specific range into 389// hardware.h, instead of using hard-coded values here. 390#define HARDWARE_IS_DEVICE_FORMAT(f) ((f) >= 0x100 && (f) <= 0x1FF) 391 392bool Layer::getOpacityForFormat(uint32_t format) 393{ 394 if (HARDWARE_IS_DEVICE_FORMAT(format)) { 395 return true; 396 } 397 PixelFormatInfo info; 398 status_t err = getPixelFormatInfo(PixelFormat(format), &info); 399 // in case of error (unknown format), we assume no blending 400 return (err || info.h_alpha <= info.l_alpha); 401} 402 403 404bool Layer::isOpaque() const 405{ 406 // if we don't have a buffer yet, we're translucent regardless of the 407 // layer's opaque flag. 408 if (mActiveBuffer == 0) { 409 return false; 410 } 411 412 // if the layer has the opaque flag, then we're always opaque, 413 // otherwise we use the current buffer's format. 414 return mOpaqueLayer || mCurrentOpacity; 415} 416 417bool Layer::isProtected() const 418{ 419 const sp<GraphicBuffer>& activeBuffer(mActiveBuffer); 420 return (activeBuffer != 0) && 421 (activeBuffer->getUsage() & GRALLOC_USAGE_PROTECTED); 422} 423 424uint32_t Layer::doTransaction(uint32_t flags) 425{ 426 ATRACE_CALL(); 427 428 const Layer::State& front(drawingState()); 429 const Layer::State& temp(currentState()); 430 431 const bool sizeChanged = (front.requested.w != temp.requested.w) || 432 (front.requested.h != temp.requested.h); 433 434 if (sizeChanged) { 435 // the size changed, we need to ask our client to request a new buffer 436 ALOGD_IF(DEBUG_RESIZE, 437 "doTransaction: " 438 "geometry (layer=%p), size: current (%dx%d), drawing (%dx%d), " 439 "crop: current (%d,%d,%d,%d [%dx%d]), drawing (%d,%d,%d,%d [%dx%d]), " 440 "scalingMode=%d", 441 this, 442 int(temp.requested.w), int(temp.requested.h), 443 int(front.requested.w), int(front.requested.h), 444 temp.requested.crop.left, 445 temp.requested.crop.top, 446 temp.requested.crop.right, 447 temp.requested.crop.bottom, 448 temp.requested.crop.getWidth(), 449 temp.requested.crop.getHeight(), 450 front.requested.crop.left, 451 front.requested.crop.top, 452 front.requested.crop.right, 453 front.requested.crop.bottom, 454 front.requested.crop.getWidth(), 455 front.requested.crop.getHeight(), 456 mCurrentScalingMode); 457 458 if (!isFixedSize()) { 459 // this will make sure LayerBase::doTransaction doesn't update 460 // the drawing state's geometry 461 Layer::State& editDraw(mDrawingState); 462 editDraw.requested = temp.requested; 463 } 464 465 // record the new size, form this point on, when the client request 466 // a buffer, it'll get the new size. 467 mSurfaceTexture->setDefaultBufferSize( 468 temp.requested.w, temp.requested.h); 469 } 470 471 return LayerBase::doTransaction(flags); 472} 473 474bool Layer::isFixedSize() const { 475 return mCurrentScalingMode != NATIVE_WINDOW_SCALING_MODE_FREEZE; 476} 477 478bool Layer::isCropped() const { 479 return !mCurrentCrop.isEmpty(); 480} 481 482// ---------------------------------------------------------------------------- 483// pageflip handling... 484// ---------------------------------------------------------------------------- 485 486bool Layer::onPreComposition() { 487 mRefreshPending = false; 488 return mQueuedFrames > 0; 489} 490 491void Layer::lockPageFlip(bool& recomputeVisibleRegions) 492{ 493 ATRACE_CALL(); 494 495 if (mQueuedFrames > 0) { 496 497 // if we've already called updateTexImage() without going through 498 // a composition step, we have to skip this layer at this point 499 // because we cannot call updateTeximage() without a corresponding 500 // compositionComplete() call. 501 // we'll trigger an update in onPreComposition(). 502 if (mRefreshPending) { 503 mPostedDirtyRegion.clear(); 504 return; 505 } 506 mRefreshPending = true; 507 508 // Capture the old state of the layer for comparisons later 509 const bool oldOpacity = isOpaque(); 510 sp<GraphicBuffer> oldActiveBuffer = mActiveBuffer; 511 512 // signal another event if we have more frames pending 513 if (android_atomic_dec(&mQueuedFrames) > 1) { 514 mFlinger->signalLayerUpdate(); 515 } 516 517 if (mSurfaceTexture->updateTexImage() < NO_ERROR) { 518 // something happened! 519 recomputeVisibleRegions = true; 520 return; 521 } 522 523 // update the active buffer 524 mActiveBuffer = mSurfaceTexture->getCurrentBuffer(); 525 mFrameLatencyNeeded = true; 526 527 if (oldActiveBuffer == NULL && mActiveBuffer != NULL) { 528 // the first time we receive a buffer, we need to trigger a 529 // geometry invalidation. 530 mFlinger->invalidateHwcGeometry(); 531 } 532 533 Rect crop(mSurfaceTexture->getCurrentCrop()); 534 const uint32_t transform(mSurfaceTexture->getCurrentTransform()); 535 const uint32_t scalingMode(mSurfaceTexture->getCurrentScalingMode()); 536 if ((crop != mCurrentCrop) || 537 (transform != mCurrentTransform) || 538 (scalingMode != mCurrentScalingMode)) 539 { 540 mCurrentCrop = crop; 541 mCurrentTransform = transform; 542 mCurrentScalingMode = scalingMode; 543 mFlinger->invalidateHwcGeometry(); 544 } 545 546 uint32_t bufWidth = mActiveBuffer->getWidth(); 547 uint32_t bufHeight = mActiveBuffer->getHeight(); 548 if (oldActiveBuffer != NULL) { 549 if (bufWidth != uint32_t(oldActiveBuffer->width) || 550 bufHeight != uint32_t(oldActiveBuffer->height)) { 551 mFlinger->invalidateHwcGeometry(); 552 } 553 } 554 555 mCurrentOpacity = getOpacityForFormat(mActiveBuffer->format); 556 if (oldOpacity != isOpaque()) { 557 recomputeVisibleRegions = true; 558 } 559 560 glTexParameterx(GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); 561 glTexParameterx(GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); 562 563 // update the layer size if needed 564 const Layer::State& front(drawingState()); 565 566 // FIXME: mPostedDirtyRegion = dirty & bounds 567 mPostedDirtyRegion.set(front.active.w, front.active.h); 568 569 if (front.active != front.requested) { 570 // check that we received a buffer of the right size 571 // (Take the buffer's orientation into account) 572 if (mCurrentTransform & Transform::ROT_90) { 573 swap(bufWidth, bufHeight); 574 } 575 576 if (isFixedSize() || 577 (bufWidth == front.requested.w && 578 bufHeight == front.requested.h)) 579 { 580 // Here we pretend the transaction happened by updating the 581 // current and drawing states. Drawing state is only accessed 582 // in this thread, no need to have it locked 583 Layer::State& editDraw(mDrawingState); 584 editDraw.active = editDraw.requested; 585 586 // We also need to update the current state so that we don't 587 // end-up doing too much work during the next transaction. 588 // NOTE: We actually don't need hold the transaction lock here 589 // because State::w and State::h are only accessed from 590 // this thread 591 Layer::State& editTemp(currentState()); 592 editTemp.active = editDraw.active; 593 594 // recompute visible region 595 recomputeVisibleRegions = true; 596 } 597 598 ALOGD_IF(DEBUG_RESIZE, 599 "lockPageFlip : " 600 " (layer=%p), buffer (%ux%u, tr=%02x), " 601 "requested (%dx%d)", 602 this, 603 bufWidth, bufHeight, mCurrentTransform, 604 front.requested.w, front.requested.h); 605 } 606 } 607} 608 609void Layer::unlockPageFlip( 610 const Transform& planeTransform, Region& outDirtyRegion) 611{ 612 ATRACE_CALL(); 613 614 Region postedRegion(mPostedDirtyRegion); 615 if (!postedRegion.isEmpty()) { 616 mPostedDirtyRegion.clear(); 617 if (!visibleRegionScreen.isEmpty()) { 618 // The dirty region is given in the layer's coordinate space 619 // transform the dirty region by the surface's transformation 620 // and the global transformation. 621 const Layer::State& s(drawingState()); 622 const Transform tr(planeTransform * s.transform); 623 postedRegion = tr.transform(postedRegion); 624 625 // At this point, the dirty region is in screen space. 626 // Make sure it's constrained by the visible region (which 627 // is in screen space as well). 628 postedRegion.andSelf(visibleRegionScreen); 629 outDirtyRegion.orSelf(postedRegion); 630 } 631 } 632} 633 634void Layer::dump(String8& result, char* buffer, size_t SIZE) const 635{ 636 LayerBaseClient::dump(result, buffer, SIZE); 637 638 sp<const GraphicBuffer> buf0(mActiveBuffer); 639 uint32_t w0=0, h0=0, s0=0, f0=0; 640 if (buf0 != 0) { 641 w0 = buf0->getWidth(); 642 h0 = buf0->getHeight(); 643 s0 = buf0->getStride(); 644 f0 = buf0->format; 645 } 646 snprintf(buffer, SIZE, 647 " " 648 "format=%2d, activeBuffer=[%4ux%4u:%4u,%3X]," 649 " transform-hint=0x%02x, queued-frames=%d, mRefreshPending=%d\n", 650 mFormat, w0, h0, s0,f0, 651 getTransformHint(), mQueuedFrames, mRefreshPending); 652 653 result.append(buffer); 654 655 if (mSurfaceTexture != 0) { 656 mSurfaceTexture->dump(result, " ", buffer, SIZE); 657 } 658} 659 660void Layer::dumpStats(String8& result, char* buffer, size_t SIZE) const 661{ 662 LayerBaseClient::dumpStats(result, buffer, SIZE); 663 const size_t o = mFrameLatencyOffset; 664 const DisplayHardware& hw(graphicPlane(0).displayHardware()); 665 const nsecs_t period = hw.getRefreshPeriod(); 666 result.appendFormat("%lld\n", period); 667 for (size_t i=0 ; i<128 ; i++) { 668 const size_t index = (o+i) % 128; 669 const nsecs_t time_app = mFrameStats[index].timestamp; 670 const nsecs_t time_set = mFrameStats[index].set; 671 const nsecs_t time_vsync = mFrameStats[index].vsync; 672 result.appendFormat("%lld\t%lld\t%lld\n", 673 time_app, 674 time_vsync, 675 time_set); 676 } 677 result.append("\n"); 678} 679 680void Layer::clearStats() 681{ 682 LayerBaseClient::clearStats(); 683 memset(mFrameStats, 0, sizeof(mFrameStats)); 684} 685 686uint32_t Layer::getEffectiveUsage(uint32_t usage) const 687{ 688 // TODO: should we do something special if mSecure is set? 689 if (mProtectedByApp) { 690 // need a hardware-protected path to external video sink 691 usage |= GraphicBuffer::USAGE_PROTECTED; 692 } 693 usage |= GraphicBuffer::USAGE_HW_COMPOSER; 694 return usage; 695} 696 697uint32_t Layer::getTransformHint() const { 698 uint32_t orientation = 0; 699 if (!mFlinger->mDebugDisableTransformHint) { 700 orientation = getPlaneOrientation(); 701 if (orientation & Transform::ROT_INVALID) { 702 orientation = 0; 703 } 704 } 705 return orientation; 706} 707 708// --------------------------------------------------------------------------- 709 710 711}; // namespace android 712