RecordingCanvas.cpp revision a7f6bba1a3565c19715e878dfe7f0e01022944ff
1/* 2 * Copyright (C) 2015 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#include "RecordingCanvas.h" 18 19#include "DeferredLayerUpdater.h" 20#include "RecordedOp.h" 21#include "RenderNode.h" 22#include "VectorDrawable.h" 23 24namespace android { 25namespace uirenderer { 26 27#define MIL_PIX 1000000 28static Rect sUnreasonablyLargeBounds(-MIL_PIX, -MIL_PIX, MIL_PIX, MIL_PIX); 29 30static const Rect& getConservativeOpBounds(const ClipBase* clip) { 31 // if op is clipped, that rect can be used, but otherwise just use a conservatively large rect 32 return clip ? clip->rect : sUnreasonablyLargeBounds; 33} 34 35RecordingCanvas::RecordingCanvas(size_t width, size_t height) 36 : mState(*this) 37 , mResourceCache(ResourceCache::getInstance()) { 38 resetRecording(width, height); 39} 40 41RecordingCanvas::~RecordingCanvas() { 42 LOG_ALWAYS_FATAL_IF(mDisplayList, 43 "Destroyed a RecordingCanvas during a record!"); 44} 45 46void RecordingCanvas::resetRecording(int width, int height) { 47 LOG_ALWAYS_FATAL_IF(mDisplayList, 48 "prepareDirty called a second time during a recording!"); 49 mDisplayList = new DisplayList(); 50 51 mState.initializeRecordingSaveStack(width, height); 52 53 mDeferredBarrierType = DeferredBarrierType::InOrder; 54 mState.setDirtyClip(false); 55} 56 57DisplayList* RecordingCanvas::finishRecording() { 58 restoreToCount(1); 59 mPaintMap.clear(); 60 mRegionMap.clear(); 61 mPathMap.clear(); 62 DisplayList* displayList = mDisplayList; 63 mDisplayList = nullptr; 64 mSkiaCanvasProxy.reset(nullptr); 65 return displayList; 66} 67 68SkCanvas* RecordingCanvas::asSkCanvas() { 69 LOG_ALWAYS_FATAL_IF(!mDisplayList, 70 "attempting to get an SkCanvas when we are not recording!"); 71 if (!mSkiaCanvasProxy) { 72 mSkiaCanvasProxy.reset(new SkiaCanvasProxy(this)); 73 } 74 75 // SkCanvas instances default to identity transform, but should inherit 76 // the state of this Canvas; if this code was in the SkiaCanvasProxy 77 // constructor, we couldn't cache mSkiaCanvasProxy. 78 SkMatrix parentTransform; 79 getMatrix(&parentTransform); 80 mSkiaCanvasProxy.get()->setMatrix(parentTransform); 81 82 return mSkiaCanvasProxy.get(); 83} 84 85// ---------------------------------------------------------------------------- 86// CanvasStateClient implementation 87// ---------------------------------------------------------------------------- 88 89void RecordingCanvas::onViewportInitialized() { 90} 91 92void RecordingCanvas::onSnapshotRestored(const Snapshot& removed, const Snapshot& restored) { 93 if (removed.flags & Snapshot::kFlagIsFboLayer) { 94 addOp(alloc().create_trivial<EndLayerOp>()); 95 } else if (removed.flags & Snapshot::kFlagIsLayer) { 96 addOp(alloc().create_trivial<EndUnclippedLayerOp>()); 97 } 98} 99 100// ---------------------------------------------------------------------------- 101// android/graphics/Canvas state operations 102// ---------------------------------------------------------------------------- 103// Save (layer) 104int RecordingCanvas::save(SaveFlags::Flags flags) { 105 return mState.save((int) flags); 106} 107 108void RecordingCanvas::RecordingCanvas::restore() { 109 mState.restore(); 110} 111 112void RecordingCanvas::restoreToCount(int saveCount) { 113 mState.restoreToCount(saveCount); 114} 115 116int RecordingCanvas::saveLayer(float left, float top, float right, float bottom, 117 const SkPaint* paint, SaveFlags::Flags flags) { 118 // force matrix/clip isolation for layer 119 flags |= SaveFlags::MatrixClip; 120 bool clippedLayer = flags & SaveFlags::ClipToLayer; 121 122 const Snapshot& previous = *mState.currentSnapshot(); 123 124 // initialize the snapshot as though it almost represents an FBO layer so deferred draw 125 // operations will be able to store and restore the current clip and transform info, and 126 // quick rejection will be correct (for display lists) 127 128 const Rect unmappedBounds(left, top, right, bottom); 129 130 // determine clipped bounds relative to previous viewport. 131 Rect visibleBounds = unmappedBounds; 132 previous.transform->mapRect(visibleBounds); 133 134 if (CC_UNLIKELY(!clippedLayer 135 && previous.transform->rectToRect() 136 && visibleBounds.contains(previous.getRenderTargetClip()))) { 137 // unlikely case where an unclipped savelayer is recorded with a clip it can use, 138 // as none of its unaffected/unclipped area is visible 139 clippedLayer = true; 140 flags |= SaveFlags::ClipToLayer; 141 } 142 143 visibleBounds.doIntersect(previous.getRenderTargetClip()); 144 visibleBounds.snapToPixelBoundaries(); 145 visibleBounds.doIntersect(Rect(previous.getViewportWidth(), previous.getViewportHeight())); 146 147 // Map visible bounds back to layer space, and intersect with parameter bounds 148 Rect layerBounds = visibleBounds; 149 Matrix4 inverse; 150 inverse.loadInverse(*previous.transform); 151 inverse.mapRect(layerBounds); 152 layerBounds.doIntersect(unmappedBounds); 153 154 int saveValue = mState.save((int) flags); 155 Snapshot& snapshot = *mState.writableSnapshot(); 156 157 // layerBounds is in original bounds space, but clipped by current recording clip 158 if (layerBounds.isEmpty() || unmappedBounds.isEmpty()) { 159 // Don't bother recording layer, since it's been rejected 160 if (CC_LIKELY(clippedLayer)) { 161 snapshot.resetClip(0, 0, 0, 0); 162 } 163 return saveValue; 164 } 165 166 if (CC_LIKELY(clippedLayer)) { 167 auto previousClip = getRecordedClip(); // note: done before new snapshot's clip has changed 168 169 snapshot.flags |= Snapshot::kFlagIsLayer | Snapshot::kFlagIsFboLayer; 170 snapshot.initializeViewport(unmappedBounds.getWidth(), unmappedBounds.getHeight()); 171 snapshot.transform->loadTranslate(-unmappedBounds.left, -unmappedBounds.top, 0.0f); 172 173 Rect clip = layerBounds; 174 clip.translate(-unmappedBounds.left, -unmappedBounds.top); 175 snapshot.resetClip(clip.left, clip.top, clip.right, clip.bottom); 176 snapshot.roundRectClipState = nullptr; 177 178 addOp(alloc().create_trivial<BeginLayerOp>( 179 unmappedBounds, 180 *previous.transform, // transform to *draw* with 181 previousClip, // clip to *draw* with 182 refPaint(paint))); 183 } else { 184 snapshot.flags |= Snapshot::kFlagIsLayer; 185 186 addOp(alloc().create_trivial<BeginUnclippedLayerOp>( 187 unmappedBounds, 188 *mState.currentSnapshot()->transform, 189 getRecordedClip(), 190 refPaint(paint))); 191 } 192 193 return saveValue; 194} 195 196// Matrix 197void RecordingCanvas::rotate(float degrees) { 198 if (degrees == 0) return; 199 200 mState.rotate(degrees); 201} 202 203void RecordingCanvas::scale(float sx, float sy) { 204 if (sx == 1 && sy == 1) return; 205 206 mState.scale(sx, sy); 207} 208 209void RecordingCanvas::skew(float sx, float sy) { 210 mState.skew(sx, sy); 211} 212 213void RecordingCanvas::translate(float dx, float dy) { 214 if (dx == 0 && dy == 0) return; 215 216 mState.translate(dx, dy, 0); 217} 218 219// Clip 220bool RecordingCanvas::getClipBounds(SkRect* outRect) const { 221 *outRect = mState.getLocalClipBounds().toSkRect(); 222 return !(outRect->isEmpty()); 223} 224bool RecordingCanvas::quickRejectRect(float left, float top, float right, float bottom) const { 225 return mState.quickRejectConservative(left, top, right, bottom); 226} 227bool RecordingCanvas::quickRejectPath(const SkPath& path) const { 228 SkRect bounds = path.getBounds(); 229 return mState.quickRejectConservative(bounds.fLeft, bounds.fTop, bounds.fRight, bounds.fBottom); 230} 231bool RecordingCanvas::clipRect(float left, float top, float right, float bottom, SkRegion::Op op) { 232 return mState.clipRect(left, top, right, bottom, op); 233} 234bool RecordingCanvas::clipPath(const SkPath* path, SkRegion::Op op) { 235 return mState.clipPath(path, op); 236} 237bool RecordingCanvas::clipRegion(const SkRegion* region, SkRegion::Op op) { 238 return mState.clipRegion(region, op); 239} 240 241// ---------------------------------------------------------------------------- 242// android/graphics/Canvas draw operations 243// ---------------------------------------------------------------------------- 244void RecordingCanvas::drawColor(int color, SkXfermode::Mode mode) { 245 SkPaint paint; 246 paint.setColor(color); 247 paint.setXfermodeMode(mode); 248 drawPaint(paint); 249} 250 251void RecordingCanvas::drawPaint(const SkPaint& paint) { 252 const ClipBase* clip = getRecordedClip(); 253 addOp(alloc().create_trivial<RectOp>( 254 getConservativeOpBounds(clip), 255 Matrix4::identity(), 256 clip, 257 refPaint(&paint))); 258} 259 260static Rect calcBoundsOfPoints(const float* points, int floatCount) { 261 Rect unmappedBounds(points[0], points[1], points[0], points[1]); 262 for (int i = 2; i < floatCount; i += 2) { 263 unmappedBounds.expandToCover(points[i], points[i + 1]); 264 } 265 return unmappedBounds; 266} 267 268// Geometry 269void RecordingCanvas::drawPoints(const float* points, int floatCount, const SkPaint& paint) { 270 if (floatCount < 2) return; 271 floatCount &= ~0x1; // round down to nearest two 272 273 addOp(alloc().create_trivial<PointsOp>( 274 calcBoundsOfPoints(points, floatCount), 275 *mState.currentSnapshot()->transform, 276 getRecordedClip(), 277 refPaint(&paint), refBuffer<float>(points, floatCount), floatCount)); 278} 279 280void RecordingCanvas::drawLines(const float* points, int floatCount, const SkPaint& paint) { 281 if (floatCount < 4) return; 282 floatCount &= ~0x3; // round down to nearest four 283 284 addOp(alloc().create_trivial<LinesOp>( 285 calcBoundsOfPoints(points, floatCount), 286 *mState.currentSnapshot()->transform, 287 getRecordedClip(), 288 refPaint(&paint), refBuffer<float>(points, floatCount), floatCount)); 289} 290 291void RecordingCanvas::drawRect(float left, float top, float right, float bottom, const SkPaint& paint) { 292 addOp(alloc().create_trivial<RectOp>( 293 Rect(left, top, right, bottom), 294 *(mState.currentSnapshot()->transform), 295 getRecordedClip(), 296 refPaint(&paint))); 297} 298 299void RecordingCanvas::drawSimpleRects(const float* rects, int vertexCount, const SkPaint* paint) { 300 if (rects == nullptr) return; 301 302 Vertex* rectData = (Vertex*) mDisplayList->allocator.create_trivial_array<Vertex>(vertexCount); 303 Vertex* vertex = rectData; 304 305 float left = FLT_MAX; 306 float top = FLT_MAX; 307 float right = FLT_MIN; 308 float bottom = FLT_MIN; 309 for (int index = 0; index < vertexCount; index += 4) { 310 float l = rects[index + 0]; 311 float t = rects[index + 1]; 312 float r = rects[index + 2]; 313 float b = rects[index + 3]; 314 315 Vertex::set(vertex++, l, t); 316 Vertex::set(vertex++, r, t); 317 Vertex::set(vertex++, l, b); 318 Vertex::set(vertex++, r, b); 319 320 left = std::min(left, l); 321 top = std::min(top, t); 322 right = std::max(right, r); 323 bottom = std::max(bottom, b); 324 } 325 addOp(alloc().create_trivial<SimpleRectsOp>( 326 Rect(left, top, right, bottom), 327 *(mState.currentSnapshot()->transform), 328 getRecordedClip(), 329 refPaint(paint), rectData, vertexCount)); 330} 331 332void RecordingCanvas::drawRegion(const SkRegion& region, const SkPaint& paint) { 333 if (paint.getStyle() == SkPaint::kFill_Style 334 && (!paint.isAntiAlias() || mState.currentTransform()->isSimple())) { 335 int count = 0; 336 Vector<float> rects; 337 SkRegion::Iterator it(region); 338 while (!it.done()) { 339 const SkIRect& r = it.rect(); 340 rects.push(r.fLeft); 341 rects.push(r.fTop); 342 rects.push(r.fRight); 343 rects.push(r.fBottom); 344 count += 4; 345 it.next(); 346 } 347 drawSimpleRects(rects.array(), count, &paint); 348 } else { 349 SkRegion::Iterator it(region); 350 while (!it.done()) { 351 const SkIRect& r = it.rect(); 352 drawRect(r.fLeft, r.fTop, r.fRight, r.fBottom, paint); 353 it.next(); 354 } 355 } 356} 357void RecordingCanvas::drawRoundRect(float left, float top, float right, float bottom, 358 float rx, float ry, const SkPaint& paint) { 359 if (CC_LIKELY(MathUtils::isPositive(rx) || MathUtils::isPositive(ry))) { 360 addOp(alloc().create_trivial<RoundRectOp>( 361 Rect(left, top, right, bottom), 362 *(mState.currentSnapshot()->transform), 363 getRecordedClip(), 364 refPaint(&paint), rx, ry)); 365 } else { 366 drawRect(left, top, right, bottom, paint); 367 } 368} 369 370void RecordingCanvas::drawRoundRect( 371 CanvasPropertyPrimitive* left, CanvasPropertyPrimitive* top, 372 CanvasPropertyPrimitive* right, CanvasPropertyPrimitive* bottom, 373 CanvasPropertyPrimitive* rx, CanvasPropertyPrimitive* ry, 374 CanvasPropertyPaint* paint) { 375 mDisplayList->ref(left); 376 mDisplayList->ref(top); 377 mDisplayList->ref(right); 378 mDisplayList->ref(bottom); 379 mDisplayList->ref(rx); 380 mDisplayList->ref(ry); 381 mDisplayList->ref(paint); 382 refBitmapsInShader(paint->value.getShader()); 383 addOp(alloc().create_trivial<RoundRectPropsOp>( 384 *(mState.currentSnapshot()->transform), 385 getRecordedClip(), 386 &paint->value, 387 &left->value, &top->value, &right->value, &bottom->value, 388 &rx->value, &ry->value)); 389} 390 391void RecordingCanvas::drawCircle(float x, float y, float radius, const SkPaint& paint) { 392 // TODO: move to Canvas.h 393 if (radius <= 0) return; 394 drawOval(x - radius, y - radius, x + radius, y + radius, paint); 395} 396 397void RecordingCanvas::drawCircle( 398 CanvasPropertyPrimitive* x, CanvasPropertyPrimitive* y, 399 CanvasPropertyPrimitive* radius, CanvasPropertyPaint* paint) { 400 mDisplayList->ref(x); 401 mDisplayList->ref(y); 402 mDisplayList->ref(radius); 403 mDisplayList->ref(paint); 404 refBitmapsInShader(paint->value.getShader()); 405 addOp(alloc().create_trivial<CirclePropsOp>( 406 *(mState.currentSnapshot()->transform), 407 getRecordedClip(), 408 &paint->value, 409 &x->value, &y->value, &radius->value)); 410} 411 412void RecordingCanvas::drawOval(float left, float top, float right, float bottom, const SkPaint& paint) { 413 addOp(alloc().create_trivial<OvalOp>( 414 Rect(left, top, right, bottom), 415 *(mState.currentSnapshot()->transform), 416 getRecordedClip(), 417 refPaint(&paint))); 418} 419 420void RecordingCanvas::drawArc(float left, float top, float right, float bottom, 421 float startAngle, float sweepAngle, bool useCenter, const SkPaint& paint) { 422 if (fabs(sweepAngle) >= 360.0f) { 423 drawOval(left, top, right, bottom, paint); 424 } else { 425 addOp(alloc().create_trivial<ArcOp>( 426 Rect(left, top, right, bottom), 427 *(mState.currentSnapshot()->transform), 428 getRecordedClip(), 429 refPaint(&paint), 430 startAngle, sweepAngle, useCenter)); 431 } 432} 433 434void RecordingCanvas::drawPath(const SkPath& path, const SkPaint& paint) { 435 addOp(alloc().create_trivial<PathOp>( 436 Rect(path.getBounds()), 437 *(mState.currentSnapshot()->transform), 438 getRecordedClip(), 439 refPaint(&paint), refPath(&path))); 440} 441 442void RecordingCanvas::drawVectorDrawable(VectorDrawableRoot* tree) { 443 mDisplayList->ref(tree); 444 addOp(alloc().create_trivial<VectorDrawableOp>( 445 tree, 446 Rect(tree->getBounds()), 447 *(mState.currentSnapshot()->transform), 448 getRecordedClip())); 449} 450 451// Bitmap-based 452void RecordingCanvas::drawBitmap(const SkBitmap& bitmap, float left, float top, const SkPaint* paint) { 453 save(SaveFlags::Matrix); 454 translate(left, top); 455 drawBitmap(&bitmap, paint); 456 restore(); 457} 458 459void RecordingCanvas::drawBitmap(const SkBitmap& bitmap, const SkMatrix& matrix, 460 const SkPaint* paint) { 461 if (matrix.isIdentity()) { 462 drawBitmap(&bitmap, paint); 463 } else if (!(matrix.getType() & ~(SkMatrix::kScale_Mask | SkMatrix::kTranslate_Mask)) 464 && MathUtils::isPositive(matrix.getScaleX()) 465 && MathUtils::isPositive(matrix.getScaleY())) { 466 // SkMatrix::isScaleTranslate() not available in L 467 SkRect src; 468 SkRect dst; 469 bitmap.getBounds(&src); 470 matrix.mapRect(&dst, src); 471 drawBitmap(bitmap, src.fLeft, src.fTop, src.fRight, src.fBottom, 472 dst.fLeft, dst.fTop, dst.fRight, dst.fBottom, paint); 473 } else { 474 save(SaveFlags::Matrix); 475 concat(matrix); 476 drawBitmap(&bitmap, paint); 477 restore(); 478 } 479} 480 481void RecordingCanvas::drawBitmap(const SkBitmap& bitmap, float srcLeft, float srcTop, 482 float srcRight, float srcBottom, float dstLeft, float dstTop, 483 float dstRight, float dstBottom, const SkPaint* paint) { 484 if (srcLeft == 0 && srcTop == 0 485 && srcRight == bitmap.width() 486 && srcBottom == bitmap.height() 487 && (srcBottom - srcTop == dstBottom - dstTop) 488 && (srcRight - srcLeft == dstRight - dstLeft)) { 489 // transform simple rect to rect drawing case into position bitmap ops, since they merge 490 save(SaveFlags::Matrix); 491 translate(dstLeft, dstTop); 492 drawBitmap(&bitmap, paint); 493 restore(); 494 } else { 495 addOp(alloc().create_trivial<BitmapRectOp>( 496 Rect(dstLeft, dstTop, dstRight, dstBottom), 497 *(mState.currentSnapshot()->transform), 498 getRecordedClip(), 499 refPaint(paint), refBitmap(bitmap), 500 Rect(srcLeft, srcTop, srcRight, srcBottom))); 501 } 502} 503 504void RecordingCanvas::drawBitmapMesh(const SkBitmap& bitmap, int meshWidth, int meshHeight, 505 const float* vertices, const int* colors, const SkPaint* paint) { 506 int vertexCount = (meshWidth + 1) * (meshHeight + 1); 507 addOp(alloc().create_trivial<BitmapMeshOp>( 508 calcBoundsOfPoints(vertices, vertexCount * 2), 509 *(mState.currentSnapshot()->transform), 510 getRecordedClip(), 511 refPaint(paint), refBitmap(bitmap), meshWidth, meshHeight, 512 refBuffer<float>(vertices, vertexCount * 2), // 2 floats per vertex 513 refBuffer<int>(colors, vertexCount))); // 1 color per vertex 514} 515 516void RecordingCanvas::drawNinePatch(const SkBitmap& bitmap, const android::Res_png_9patch& patch, 517 float dstLeft, float dstTop, float dstRight, float dstBottom, 518 const SkPaint* paint) { 519 addOp(alloc().create_trivial<PatchOp>( 520 Rect(dstLeft, dstTop, dstRight, dstBottom), 521 *(mState.currentSnapshot()->transform), 522 getRecordedClip(), 523 refPaint(paint), refBitmap(bitmap), refPatch(&patch))); 524} 525 526// Text 527void RecordingCanvas::drawGlyphs(const uint16_t* glyphs, const float* positions, int glyphCount, 528 const SkPaint& paint, float x, float y, float boundsLeft, float boundsTop, 529 float boundsRight, float boundsBottom, float totalAdvance) { 530 if (!glyphs || !positions || glyphCount <= 0 || PaintUtils::paintWillNotDrawText(paint)) return; 531 glyphs = refBuffer<glyph_t>(glyphs, glyphCount); 532 positions = refBuffer<float>(positions, glyphCount * 2); 533 534 // TODO: either must account for text shadow in bounds, or record separate ops for text shadows 535 addOp(alloc().create_trivial<TextOp>( 536 Rect(boundsLeft, boundsTop, boundsRight, boundsBottom), 537 *(mState.currentSnapshot()->transform), 538 getRecordedClip(), 539 refPaint(&paint), glyphs, positions, glyphCount, x, y)); 540 drawTextDecorations(x, y, totalAdvance, paint); 541} 542 543void RecordingCanvas::drawGlyphsOnPath(const uint16_t* glyphs, int glyphCount, const SkPath& path, 544 float hOffset, float vOffset, const SkPaint& paint) { 545 if (!glyphs || glyphCount <= 0 || PaintUtils::paintWillNotDrawText(paint)) return; 546 glyphs = refBuffer<glyph_t>(glyphs, glyphCount); 547 auto clip = getRecordedClip(); 548 addOp(alloc().create_trivial<TextOnPathOp>( 549 getConservativeOpBounds(clip), // TODO: explicitly define bounds 550 *(mState.currentSnapshot()->transform), 551 clip, 552 refPaint(&paint), glyphs, glyphCount, refPath(&path), hOffset, vOffset)); 553} 554 555void RecordingCanvas::drawBitmap(const SkBitmap* bitmap, const SkPaint* paint) { 556 addOp(alloc().create_trivial<BitmapOp>( 557 Rect(bitmap->width(), bitmap->height()), 558 *(mState.currentSnapshot()->transform), 559 getRecordedClip(), 560 refPaint(paint), refBitmap(*bitmap))); 561} 562 563void RecordingCanvas::drawRenderNode(RenderNode* renderNode) { 564 auto&& stagingProps = renderNode->stagingProperties(); 565 RenderNodeOp* op = alloc().create_trivial<RenderNodeOp>( 566 Rect(stagingProps.getWidth(), stagingProps.getHeight()), 567 *(mState.currentSnapshot()->transform), 568 getRecordedClip(), 569 renderNode); 570 int opIndex = addOp(op); 571 if (CC_LIKELY(opIndex >= 0)) { 572 int childIndex = mDisplayList->addChild(op); 573 574 // update the chunk's child indices 575 DisplayList::Chunk& chunk = mDisplayList->chunks.back(); 576 chunk.endChildIndex = childIndex + 1; 577 578 if (renderNode->stagingProperties().isProjectionReceiver()) { 579 // use staging property, since recording on UI thread 580 mDisplayList->projectionReceiveIndex = opIndex; 581 } 582 } 583} 584 585void RecordingCanvas::drawLayer(DeferredLayerUpdater* layerHandle) { 586 // We ref the DeferredLayerUpdater due to its thread-safe ref-counting semantics. 587 mDisplayList->ref(layerHandle); 588 589 Layer* layer = layerHandle->backingLayer(); 590 Matrix4 totalTransform(*(mState.currentSnapshot()->transform)); 591 totalTransform.multiply(layer->getTransform()); 592 593 addOp(alloc().create_trivial<TextureLayerOp>( 594 Rect(layer->getWidth(), layer->getHeight()), 595 totalTransform, 596 getRecordedClip(), 597 layer)); 598} 599 600void RecordingCanvas::callDrawGLFunction(Functor* functor) { 601 mDisplayList->functors.push_back(functor); 602 auto clip = getRecordedClip(); 603 addOp(alloc().create_trivial<FunctorOp>( 604 getConservativeOpBounds(clip), 605 *(mState.currentSnapshot()->transform), 606 clip, 607 functor)); 608} 609 610size_t RecordingCanvas::addOp(RecordedOp* op) { 611 // skip op with empty clip 612 if (op->localClip && op->localClip->rect.isEmpty()) { 613 // NOTE: this rejection happens after op construction/content ref-ing, so content ref'd 614 // and held by renderthread isn't affected by clip rejection. 615 // Could rewind alloc here if desired, but callers would have to not touch op afterwards. 616 return -1; 617 } 618 619 int insertIndex = mDisplayList->ops.size(); 620 mDisplayList->ops.push_back(op); 621 if (mDeferredBarrierType != DeferredBarrierType::None) { 622 // op is first in new chunk 623 mDisplayList->chunks.emplace_back(); 624 DisplayList::Chunk& newChunk = mDisplayList->chunks.back(); 625 newChunk.beginOpIndex = insertIndex; 626 newChunk.endOpIndex = insertIndex + 1; 627 newChunk.reorderChildren = (mDeferredBarrierType == DeferredBarrierType::OutOfOrder); 628 629 int nextChildIndex = mDisplayList->children.size(); 630 newChunk.beginChildIndex = newChunk.endChildIndex = nextChildIndex; 631 mDeferredBarrierType = DeferredBarrierType::None; 632 } else { 633 // standard case - append to existing chunk 634 mDisplayList->chunks.back().endOpIndex = insertIndex + 1; 635 } 636 return insertIndex; 637} 638 639void RecordingCanvas::refBitmapsInShader(const SkShader* shader) { 640 if (!shader) return; 641 642 // If this paint has an SkShader that has an SkBitmap add 643 // it to the bitmap pile 644 SkBitmap bitmap; 645 SkShader::TileMode xy[2]; 646 if (shader->isABitmap(&bitmap, nullptr, xy)) { 647 refBitmap(bitmap); 648 return; 649 } 650 SkShader::ComposeRec rec; 651 if (shader->asACompose(&rec)) { 652 refBitmapsInShader(rec.fShaderA); 653 refBitmapsInShader(rec.fShaderB); 654 return; 655 } 656} 657 658}; // namespace uirenderer 659}; // namespace android 660