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