FrameBuilder.cpp revision bcda2da5fe9ab9ee1fe765e1e80a49c12c86cdca
1/* 2 * Copyright (C) 2016 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 "FrameBuilder.h" 18 19#include "Canvas.h" 20#include "LayerUpdateQueue.h" 21#include "RenderNode.h" 22#include "VectorDrawable.h" 23#include "renderstate/OffscreenBufferPool.h" 24#include "utils/FatVector.h" 25#include "utils/PaintUtils.h" 26#include "utils/TraceUtils.h" 27 28#include <SkPathOps.h> 29#include <utils/TypeHelpers.h> 30 31namespace android { 32namespace uirenderer { 33 34FrameBuilder::FrameBuilder(const LayerUpdateQueue& layers, const SkRect& clip, 35 uint32_t viewportWidth, uint32_t viewportHeight, 36 const std::vector< sp<RenderNode> >& nodes, 37 const LightGeometry& lightGeometry, const Rect &contentDrawBounds, Caches* caches) 38 : mCanvasState(*this) 39 , mCaches(caches) 40 , mLightRadius(lightGeometry.radius) { 41 ATRACE_NAME("prepare drawing commands"); 42 43 mLayerBuilders.reserve(layers.entries().size()); 44 mLayerStack.reserve(layers.entries().size()); 45 46 // Prepare to defer Fbo0 47 auto fbo0 = mAllocator.create<LayerBuilder>(viewportWidth, viewportHeight, Rect(clip)); 48 mLayerBuilders.push_back(fbo0); 49 mLayerStack.push_back(0); 50 mCanvasState.initializeSaveStack(viewportWidth, viewportHeight, 51 clip.fLeft, clip.fTop, clip.fRight, clip.fBottom, 52 lightGeometry.center); 53 54 // Render all layers to be updated, in order. Defer in reverse order, so that they'll be 55 // updated in the order they're passed in (mLayerBuilders are issued to Renderer in reverse) 56 for (int i = layers.entries().size() - 1; i >= 0; i--) { 57 RenderNode* layerNode = layers.entries()[i].renderNode; 58 // only schedule repaint if node still on layer - possible it may have been 59 // removed during a dropped frame, but layers may still remain scheduled so 60 // as not to lose info on what portion is damaged 61 if (CC_LIKELY(layerNode->getLayer() != nullptr)) { 62 const Rect& layerDamage = layers.entries()[i].damage; 63 layerNode->computeOrdering(); 64 65 // map current light center into RenderNode's coordinate space 66 Vector3 lightCenter = mCanvasState.currentSnapshot()->getRelativeLightCenter(); 67 layerNode->getLayer()->inverseTransformInWindow.mapPoint3d(lightCenter); 68 69 saveForLayer(layerNode->getWidth(), layerNode->getHeight(), 0, 0, 70 layerDamage, lightCenter, nullptr, layerNode); 71 72 if (layerNode->getDisplayList()) { 73 deferNodeOps(*layerNode); 74 } 75 restoreForLayer(); 76 } 77 } 78 79 // It there are multiple render nodes, they are laid out as follows: 80 // #0 - backdrop (content + caption) 81 // #1 - content (positioned at (0,0) and clipped to - its bounds mContentDrawBounds) 82 // #2 - additional overlay nodes 83 // Usually the backdrop cannot be seen since it will be entirely covered by the content. While 84 // resizing however it might become partially visible. The following render loop will crop the 85 // backdrop against the content and draw the remaining part of it. It will then draw the content 86 // cropped to the backdrop (since that indicates a shrinking of the window). 87 // 88 // Additional nodes will be drawn on top with no particular clipping semantics. 89 90 // The bounds of the backdrop against which the content should be clipped. 91 Rect backdropBounds = contentDrawBounds; 92 // Usually the contents bounds should be mContentDrawBounds - however - we will 93 // move it towards the fixed edge to give it a more stable appearance (for the moment). 94 // If there is no content bounds we ignore the layering as stated above and start with 2. 95 int layer = (contentDrawBounds.isEmpty() || nodes.size() == 1) ? 2 : 0; 96 97 for (const sp<RenderNode>& node : nodes) { 98 if (node->nothingToDraw()) continue; 99 node->computeOrdering(); 100 int count = mCanvasState.save(SaveFlags::MatrixClip); 101 102 if (layer == 0) { 103 const RenderProperties& properties = node->properties(); 104 Rect targetBounds(properties.getLeft(), properties.getTop(), 105 properties.getRight(), properties.getBottom()); 106 // Move the content bounds towards the fixed corner of the backdrop. 107 const int x = targetBounds.left; 108 const int y = targetBounds.top; 109 // Remember the intersection of the target bounds and the intersection bounds against 110 // which we have to crop the content. 111 backdropBounds.set(x, y, x + backdropBounds.getWidth(), y + backdropBounds.getHeight()); 112 backdropBounds.doIntersect(targetBounds); 113 } else if (layer == 1) { 114 // We shift and clip the content to match its final location in the window. 115 const float left = contentDrawBounds.left; 116 const float top = contentDrawBounds.top; 117 const float dx = backdropBounds.left - left; 118 const float dy = backdropBounds.top - top; 119 const float width = backdropBounds.getWidth(); 120 const float height = backdropBounds.getHeight(); 121 mCanvasState.translate(dx, dy); 122 // It gets cropped against the bounds of the backdrop to stay inside. 123 mCanvasState.clipRect(left, top, left + width, top + height, SkRegion::kIntersect_Op); 124 } 125 126 deferNodePropsAndOps(*node); 127 mCanvasState.restoreToCount(count); 128 layer++; 129 } 130} 131 132void FrameBuilder::onViewportInitialized() {} 133 134void FrameBuilder::onSnapshotRestored(const Snapshot& removed, const Snapshot& restored) {} 135 136void FrameBuilder::deferNodePropsAndOps(RenderNode& node) { 137 const RenderProperties& properties = node.properties(); 138 const Outline& outline = properties.getOutline(); 139 if (properties.getAlpha() <= 0 140 || (outline.getShouldClip() && outline.isEmpty()) 141 || properties.getScaleX() == 0 142 || properties.getScaleY() == 0) { 143 return; // rejected 144 } 145 146 if (properties.getLeft() != 0 || properties.getTop() != 0) { 147 mCanvasState.translate(properties.getLeft(), properties.getTop()); 148 } 149 if (properties.getStaticMatrix()) { 150 mCanvasState.concatMatrix(*properties.getStaticMatrix()); 151 } else if (properties.getAnimationMatrix()) { 152 mCanvasState.concatMatrix(*properties.getAnimationMatrix()); 153 } 154 if (properties.hasTransformMatrix()) { 155 if (properties.isTransformTranslateOnly()) { 156 mCanvasState.translate(properties.getTranslationX(), properties.getTranslationY()); 157 } else { 158 mCanvasState.concatMatrix(*properties.getTransformMatrix()); 159 } 160 } 161 162 const int width = properties.getWidth(); 163 const int height = properties.getHeight(); 164 165 Rect saveLayerBounds; // will be set to non-empty if saveLayer needed 166 const bool isLayer = properties.effectiveLayerType() != LayerType::None; 167 int clipFlags = properties.getClippingFlags(); 168 if (properties.getAlpha() < 1) { 169 if (isLayer) { 170 clipFlags &= ~CLIP_TO_BOUNDS; // bounds clipping done by layer 171 } 172 if (CC_LIKELY(isLayer || !properties.getHasOverlappingRendering())) { 173 // simply scale rendering content's alpha 174 mCanvasState.scaleAlpha(properties.getAlpha()); 175 } else { 176 // schedule saveLayer by initializing saveLayerBounds 177 saveLayerBounds.set(0, 0, width, height); 178 if (clipFlags) { 179 properties.getClippingRectForFlags(clipFlags, &saveLayerBounds); 180 clipFlags = 0; // all clipping done by savelayer 181 } 182 } 183 184 if (CC_UNLIKELY(ATRACE_ENABLED() && properties.promotedToLayer())) { 185 // pretend alpha always causes savelayer to warn about 186 // performance problem affecting old versions 187 ATRACE_FORMAT("%s alpha caused saveLayer %dx%d", node.getName(), width, height); 188 } 189 } 190 if (clipFlags) { 191 Rect clipRect; 192 properties.getClippingRectForFlags(clipFlags, &clipRect); 193 mCanvasState.clipRect(clipRect.left, clipRect.top, clipRect.right, clipRect.bottom, 194 SkRegion::kIntersect_Op); 195 } 196 197 if (properties.getRevealClip().willClip()) { 198 Rect bounds; 199 properties.getRevealClip().getBounds(&bounds); 200 mCanvasState.setClippingRoundRect(mAllocator, 201 bounds, properties.getRevealClip().getRadius()); 202 } else if (properties.getOutline().willClip()) { 203 mCanvasState.setClippingOutline(mAllocator, &(properties.getOutline())); 204 } 205 206 if (!mCanvasState.quickRejectConservative(0, 0, width, height)) { 207 // not rejected, so defer render as either Layer, or direct (possibly wrapped in saveLayer) 208 if (node.getLayer()) { 209 // HW layer 210 LayerOp* drawLayerOp = new (mAllocator) LayerOp(node); 211 BakedOpState* bakedOpState = tryBakeOpState(*drawLayerOp); 212 if (bakedOpState) { 213 // Node's layer already deferred, schedule it to render into parent layer 214 currentLayer().deferUnmergeableOp(mAllocator, bakedOpState, OpBatchType::Bitmap); 215 } 216 } else if (CC_UNLIKELY(!saveLayerBounds.isEmpty())) { 217 // draw DisplayList contents within temporary, since persisted layer could not be used. 218 // (temp layers are clipped to viewport, since they don't persist offscreen content) 219 SkPaint saveLayerPaint; 220 saveLayerPaint.setAlpha(properties.getAlpha()); 221 deferBeginLayerOp(*new (mAllocator) BeginLayerOp( 222 saveLayerBounds, 223 Matrix4::identity(), 224 nullptr, // no record-time clip - need only respect defer-time one 225 &saveLayerPaint)); 226 deferNodeOps(node); 227 deferEndLayerOp(*new (mAllocator) EndLayerOp()); 228 } else { 229 deferNodeOps(node); 230 } 231 } 232} 233 234typedef key_value_pair_t<float, const RenderNodeOp*> ZRenderNodeOpPair; 235 236template <typename V> 237static void buildZSortedChildList(V* zTranslatedNodes, 238 const DisplayList& displayList, const DisplayList::Chunk& chunk) { 239 if (chunk.beginChildIndex == chunk.endChildIndex) return; 240 241 for (size_t i = chunk.beginChildIndex; i < chunk.endChildIndex; i++) { 242 RenderNodeOp* childOp = displayList.getChildren()[i]; 243 RenderNode* child = childOp->renderNode; 244 float childZ = child->properties().getZ(); 245 246 if (!MathUtils::isZero(childZ) && chunk.reorderChildren) { 247 zTranslatedNodes->push_back(ZRenderNodeOpPair(childZ, childOp)); 248 childOp->skipInOrderDraw = true; 249 } else if (!child->properties().getProjectBackwards()) { 250 // regular, in order drawing DisplayList 251 childOp->skipInOrderDraw = false; 252 } 253 } 254 255 // Z sort any 3d children (stable-ness makes z compare fall back to standard drawing order) 256 std::stable_sort(zTranslatedNodes->begin(), zTranslatedNodes->end()); 257} 258 259template <typename V> 260static size_t findNonNegativeIndex(const V& zTranslatedNodes) { 261 for (size_t i = 0; i < zTranslatedNodes.size(); i++) { 262 if (zTranslatedNodes[i].key >= 0.0f) return i; 263 } 264 return zTranslatedNodes.size(); 265} 266 267template <typename V> 268void FrameBuilder::defer3dChildren(ChildrenSelectMode mode, const V& zTranslatedNodes) { 269 const int size = zTranslatedNodes.size(); 270 if (size == 0 271 || (mode == ChildrenSelectMode::Negative&& zTranslatedNodes[0].key > 0.0f) 272 || (mode == ChildrenSelectMode::Positive && zTranslatedNodes[size - 1].key < 0.0f)) { 273 // no 3d children to draw 274 return; 275 } 276 277 /** 278 * Draw shadows and (potential) casters mostly in order, but allow the shadows of casters 279 * with very similar Z heights to draw together. 280 * 281 * This way, if Views A & B have the same Z height and are both casting shadows, the shadows are 282 * underneath both, and neither's shadow is drawn on top of the other. 283 */ 284 const size_t nonNegativeIndex = findNonNegativeIndex(zTranslatedNodes); 285 size_t drawIndex, shadowIndex, endIndex; 286 if (mode == ChildrenSelectMode::Negative) { 287 drawIndex = 0; 288 endIndex = nonNegativeIndex; 289 shadowIndex = endIndex; // draw no shadows 290 } else { 291 drawIndex = nonNegativeIndex; 292 endIndex = size; 293 shadowIndex = drawIndex; // potentially draw shadow for each pos Z child 294 } 295 296 float lastCasterZ = 0.0f; 297 while (shadowIndex < endIndex || drawIndex < endIndex) { 298 if (shadowIndex < endIndex) { 299 const RenderNodeOp* casterNodeOp = zTranslatedNodes[shadowIndex].value; 300 const float casterZ = zTranslatedNodes[shadowIndex].key; 301 // attempt to render the shadow if the caster about to be drawn is its caster, 302 // OR if its caster's Z value is similar to the previous potential caster 303 if (shadowIndex == drawIndex || casterZ - lastCasterZ < 0.1f) { 304 deferShadow(*casterNodeOp); 305 306 lastCasterZ = casterZ; // must do this even if current caster not casting a shadow 307 shadowIndex++; 308 continue; 309 } 310 } 311 312 const RenderNodeOp* childOp = zTranslatedNodes[drawIndex].value; 313 deferRenderNodeOpImpl(*childOp); 314 drawIndex++; 315 } 316} 317 318void FrameBuilder::deferShadow(const RenderNodeOp& casterNodeOp) { 319 auto& node = *casterNodeOp.renderNode; 320 auto& properties = node.properties(); 321 322 if (properties.getAlpha() <= 0.0f 323 || properties.getOutline().getAlpha() <= 0.0f 324 || !properties.getOutline().getPath() 325 || properties.getScaleX() == 0 326 || properties.getScaleY() == 0) { 327 // no shadow to draw 328 return; 329 } 330 331 const SkPath* casterOutlinePath = properties.getOutline().getPath(); 332 const SkPath* revealClipPath = properties.getRevealClip().getPath(); 333 if (revealClipPath && revealClipPath->isEmpty()) return; 334 335 float casterAlpha = properties.getAlpha() * properties.getOutline().getAlpha(); 336 337 // holds temporary SkPath to store the result of intersections 338 SkPath* frameAllocatedPath = nullptr; 339 const SkPath* casterPath = casterOutlinePath; 340 341 // intersect the shadow-casting path with the reveal, if present 342 if (revealClipPath) { 343 frameAllocatedPath = createFrameAllocatedPath(); 344 345 Op(*casterPath, *revealClipPath, kIntersect_SkPathOp, frameAllocatedPath); 346 casterPath = frameAllocatedPath; 347 } 348 349 // intersect the shadow-casting path with the clipBounds, if present 350 if (properties.getClippingFlags() & CLIP_TO_CLIP_BOUNDS) { 351 if (!frameAllocatedPath) { 352 frameAllocatedPath = createFrameAllocatedPath(); 353 } 354 Rect clipBounds; 355 properties.getClippingRectForFlags(CLIP_TO_CLIP_BOUNDS, &clipBounds); 356 SkPath clipBoundsPath; 357 clipBoundsPath.addRect(clipBounds.left, clipBounds.top, 358 clipBounds.right, clipBounds.bottom); 359 360 Op(*casterPath, clipBoundsPath, kIntersect_SkPathOp, frameAllocatedPath); 361 casterPath = frameAllocatedPath; 362 } 363 364 365 if (CC_LIKELY(!mCanvasState.getRenderTargetClipBounds().isEmpty())) { 366 Matrix4 shadowMatrixXY(casterNodeOp.localMatrix); 367 Matrix4 shadowMatrixZ(casterNodeOp.localMatrix); 368 node.applyViewPropertyTransforms(shadowMatrixXY, false); 369 node.applyViewPropertyTransforms(shadowMatrixZ, true); 370 371 LOG_ALWAYS_FATAL_IF(!mCaches, "Caches needed for shadows"); 372 sp<TessellationCache::ShadowTask> task = mCaches->tessellationCache.getShadowTask( 373 mCanvasState.currentTransform(), 374 mCanvasState.getLocalClipBounds(), 375 casterAlpha >= 1.0f, 376 casterPath, 377 &shadowMatrixXY, &shadowMatrixZ, 378 mCanvasState.currentSnapshot()->getRelativeLightCenter(), 379 mLightRadius); 380 ShadowOp* shadowOp = mAllocator.create<ShadowOp>(task, casterAlpha); 381 BakedOpState* bakedOpState = BakedOpState::tryShadowOpConstruct( 382 mAllocator, *mCanvasState.writableSnapshot(), shadowOp); 383 if (CC_LIKELY(bakedOpState)) { 384 currentLayer().deferUnmergeableOp(mAllocator, bakedOpState, OpBatchType::Shadow); 385 } 386 } 387} 388 389void FrameBuilder::deferProjectedChildren(const RenderNode& renderNode) { 390 const SkPath* projectionReceiverOutline = renderNode.properties().getOutline().getPath(); 391 int count = mCanvasState.save(SaveFlags::MatrixClip); 392 393 // can't be null, since DL=null node rejection happens before deferNodePropsAndOps 394 const DisplayList& displayList = *(renderNode.getDisplayList()); 395 396 const RecordedOp* op = (displayList.getOps()[displayList.projectionReceiveIndex]); 397 const RenderNodeOp* backgroundOp = static_cast<const RenderNodeOp*>(op); 398 const RenderProperties& backgroundProps = backgroundOp->renderNode->properties(); 399 400 // Transform renderer to match background we're projecting onto 401 // (by offsetting canvas by translationX/Y of background rendernode, since only those are set) 402 mCanvasState.translate(backgroundProps.getTranslationX(), backgroundProps.getTranslationY()); 403 404 // If the projection receiver has an outline, we mask projected content to it 405 // (which we know, apriori, are all tessellated paths) 406 mCanvasState.setProjectionPathMask(mAllocator, projectionReceiverOutline); 407 408 // draw projected nodes 409 for (size_t i = 0; i < renderNode.mProjectedNodes.size(); i++) { 410 RenderNodeOp* childOp = renderNode.mProjectedNodes[i]; 411 412 int restoreTo = mCanvasState.save(SaveFlags::Matrix); 413 mCanvasState.concatMatrix(childOp->transformFromCompositingAncestor); 414 deferRenderNodeOpImpl(*childOp); 415 mCanvasState.restoreToCount(restoreTo); 416 } 417 418 mCanvasState.restoreToCount(count); 419} 420 421/** 422 * Used to define a list of lambdas referencing private FrameBuilder::onXX::defer() methods. 423 * 424 * This allows opIds embedded in the RecordedOps to be used for dispatching to these lambdas. 425 * E.g. a BitmapOp op then would be dispatched to FrameBuilder::onBitmapOp(const BitmapOp&) 426 */ 427#define OP_RECEIVER(Type) \ 428 [](FrameBuilder& frameBuilder, const RecordedOp& op) { frameBuilder.defer##Type(static_cast<const Type&>(op)); }, 429void FrameBuilder::deferNodeOps(const RenderNode& renderNode) { 430 typedef void (*OpDispatcher) (FrameBuilder& frameBuilder, const RecordedOp& op); 431 static OpDispatcher receivers[] = BUILD_DEFERRABLE_OP_LUT(OP_RECEIVER); 432 433 // can't be null, since DL=null node rejection happens before deferNodePropsAndOps 434 const DisplayList& displayList = *(renderNode.getDisplayList()); 435 for (const DisplayList::Chunk& chunk : displayList.getChunks()) { 436 FatVector<ZRenderNodeOpPair, 16> zTranslatedNodes; 437 buildZSortedChildList(&zTranslatedNodes, displayList, chunk); 438 439 defer3dChildren(ChildrenSelectMode::Negative, zTranslatedNodes); 440 for (size_t opIndex = chunk.beginOpIndex; opIndex < chunk.endOpIndex; opIndex++) { 441 const RecordedOp* op = displayList.getOps()[opIndex]; 442 receivers[op->opId](*this, *op); 443 444 if (CC_UNLIKELY(!renderNode.mProjectedNodes.empty() 445 && displayList.projectionReceiveIndex >= 0 446 && static_cast<int>(opIndex) == displayList.projectionReceiveIndex)) { 447 deferProjectedChildren(renderNode); 448 } 449 } 450 defer3dChildren(ChildrenSelectMode::Positive, zTranslatedNodes); 451 } 452} 453 454void FrameBuilder::deferRenderNodeOpImpl(const RenderNodeOp& op) { 455 if (op.renderNode->nothingToDraw()) return; 456 int count = mCanvasState.save(SaveFlags::MatrixClip); 457 458 // apply state from RecordedOp (clip first, since op's clip is transformed by current matrix) 459 mCanvasState.writableSnapshot()->mutateClipArea().applyClip(op.localClip, 460 *mCanvasState.currentSnapshot()->transform); 461 mCanvasState.concatMatrix(op.localMatrix); 462 463 // then apply state from node properties, and defer ops 464 deferNodePropsAndOps(*op.renderNode); 465 466 mCanvasState.restoreToCount(count); 467} 468 469void FrameBuilder::deferRenderNodeOp(const RenderNodeOp& op) { 470 if (!op.skipInOrderDraw) { 471 deferRenderNodeOpImpl(op); 472 } 473} 474 475/** 476 * Defers an unmergeable, strokeable op, accounting correctly 477 * for paint's style on the bounds being computed. 478 */ 479void FrameBuilder::deferStrokeableOp(const RecordedOp& op, batchid_t batchId, 480 BakedOpState::StrokeBehavior strokeBehavior) { 481 // Note: here we account for stroke when baking the op 482 BakedOpState* bakedState = BakedOpState::tryStrokeableOpConstruct( 483 mAllocator, *mCanvasState.writableSnapshot(), op, strokeBehavior); 484 if (!bakedState) return; // quick rejected 485 currentLayer().deferUnmergeableOp(mAllocator, bakedState, batchId); 486} 487 488/** 489 * Returns batch id for tessellatable shapes, based on paint. Checks to see if path effect/AA will 490 * be used, since they trigger significantly different rendering paths. 491 * 492 * Note: not used for lines/points, since they don't currently support path effects. 493 */ 494static batchid_t tessBatchId(const RecordedOp& op) { 495 const SkPaint& paint = *(op.paint); 496 return paint.getPathEffect() 497 ? OpBatchType::AlphaMaskTexture 498 : (paint.isAntiAlias() ? OpBatchType::AlphaVertices : OpBatchType::Vertices); 499} 500 501void FrameBuilder::deferArcOp(const ArcOp& op) { 502 deferStrokeableOp(op, tessBatchId(op)); 503} 504 505static bool hasMergeableClip(const BakedOpState& state) { 506 return state.computedState.clipState 507 || state.computedState.clipState->mode == ClipMode::Rectangle; 508} 509 510void FrameBuilder::deferBitmapOp(const BitmapOp& op) { 511 BakedOpState* bakedState = tryBakeOpState(op); 512 if (!bakedState) return; // quick rejected 513 514 currentLayer().deferUnmergeableOp(mAllocator, bakedState, OpBatchType::Bitmap); 515 516 // TODO: Fix this ( b/26569206 ) 517/* 518 // Don't merge non-simply transformed or neg scale ops, SET_TEXTURE doesn't handle rotation 519 // Don't merge A8 bitmaps - the paint's color isn't compared by mergeId, or in 520 // MergingDrawBatch::canMergeWith() 521 if (bakedState->computedState.transform.isSimple() 522 && bakedState->computedState.transform.positiveScale() 523 && PaintUtils::getXfermodeDirect(op.paint) == SkXfermode::kSrcOver_Mode 524 && op.bitmap->colorType() != kAlpha_8_SkColorType 525 && hasMergeableClip(*bakedState)) { 526 mergeid_t mergeId = reinterpret_cast<mergeid_t>(op.bitmap->getGenerationID()); 527 // TODO: AssetAtlas in mergeId 528 currentLayer().deferMergeableOp(mAllocator, bakedState, OpBatchType::Bitmap, mergeId); 529 } else { 530 currentLayer().deferUnmergeableOp(mAllocator, bakedState, OpBatchType::Bitmap); 531 } 532*/ 533} 534 535void FrameBuilder::deferBitmapMeshOp(const BitmapMeshOp& op) { 536 BakedOpState* bakedState = tryBakeOpState(op); 537 if (!bakedState) return; // quick rejected 538 currentLayer().deferUnmergeableOp(mAllocator, bakedState, OpBatchType::Bitmap); 539} 540 541void FrameBuilder::deferBitmapRectOp(const BitmapRectOp& op) { 542 BakedOpState* bakedState = tryBakeOpState(op); 543 if (!bakedState) return; // quick rejected 544 currentLayer().deferUnmergeableOp(mAllocator, bakedState, OpBatchType::Bitmap); 545} 546 547void FrameBuilder::deferVectorDrawableOp(const VectorDrawableOp& op) { 548 const SkBitmap& bitmap = op.vectorDrawable->getBitmapUpdateIfDirty(); 549 SkPaint* paint = op.vectorDrawable->getPaint(); 550 const BitmapRectOp* resolvedOp = new (mAllocator) BitmapRectOp(op.unmappedBounds, 551 op.localMatrix, 552 op.localClip, 553 paint, 554 &bitmap, 555 Rect(bitmap.width(), bitmap.height())); 556 deferBitmapRectOp(*resolvedOp); 557} 558 559void FrameBuilder::deferCirclePropsOp(const CirclePropsOp& op) { 560 // allocate a temporary oval op (with mAllocator, so it persists until render), so the 561 // renderer doesn't have to handle the RoundRectPropsOp type, and so state baking is simple. 562 float x = *(op.x); 563 float y = *(op.y); 564 float radius = *(op.radius); 565 Rect unmappedBounds(x - radius, y - radius, x + radius, y + radius); 566 const OvalOp* resolvedOp = new (mAllocator) OvalOp( 567 unmappedBounds, 568 op.localMatrix, 569 op.localClip, 570 op.paint); 571 deferOvalOp(*resolvedOp); 572} 573 574void FrameBuilder::deferFunctorOp(const FunctorOp& op) { 575 BakedOpState* bakedState = tryBakeOpState(op); 576 if (!bakedState) return; // quick rejected 577 currentLayer().deferUnmergeableOp(mAllocator, bakedState, OpBatchType::Functor); 578} 579 580void FrameBuilder::deferLinesOp(const LinesOp& op) { 581 batchid_t batch = op.paint->isAntiAlias() ? OpBatchType::AlphaVertices : OpBatchType::Vertices; 582 deferStrokeableOp(op, batch, BakedOpState::StrokeBehavior::Forced); 583} 584 585void FrameBuilder::deferOvalOp(const OvalOp& op) { 586 deferStrokeableOp(op, tessBatchId(op)); 587} 588 589void FrameBuilder::deferPatchOp(const PatchOp& op) { 590 BakedOpState* bakedState = tryBakeOpState(op); 591 if (!bakedState) return; // quick rejected 592 593 if (bakedState->computedState.transform.isPureTranslate() 594 && PaintUtils::getXfermodeDirect(op.paint) == SkXfermode::kSrcOver_Mode 595 && hasMergeableClip(*bakedState)) { 596 mergeid_t mergeId = reinterpret_cast<mergeid_t>(op.bitmap->getGenerationID()); 597 // TODO: AssetAtlas in mergeId 598 599 // Only use the MergedPatch batchId when merged, so Bitmap+Patch don't try to merge together 600 currentLayer().deferMergeableOp(mAllocator, bakedState, OpBatchType::MergedPatch, mergeId); 601 } else { 602 // Use Bitmap batchId since Bitmap+Patch use same shader 603 currentLayer().deferUnmergeableOp(mAllocator, bakedState, OpBatchType::Bitmap); 604 } 605} 606 607void FrameBuilder::deferPathOp(const PathOp& op) { 608 deferStrokeableOp(op, OpBatchType::Bitmap); 609} 610 611void FrameBuilder::deferPointsOp(const PointsOp& op) { 612 batchid_t batch = op.paint->isAntiAlias() ? OpBatchType::AlphaVertices : OpBatchType::Vertices; 613 deferStrokeableOp(op, batch, BakedOpState::StrokeBehavior::Forced); 614} 615 616void FrameBuilder::deferRectOp(const RectOp& op) { 617 deferStrokeableOp(op, tessBatchId(op)); 618} 619 620void FrameBuilder::deferRoundRectOp(const RoundRectOp& op) { 621 deferStrokeableOp(op, tessBatchId(op)); 622} 623 624void FrameBuilder::deferRoundRectPropsOp(const RoundRectPropsOp& op) { 625 // allocate a temporary round rect op (with mAllocator, so it persists until render), so the 626 // renderer doesn't have to handle the RoundRectPropsOp type, and so state baking is simple. 627 const RoundRectOp* resolvedOp = new (mAllocator) RoundRectOp( 628 Rect(*(op.left), *(op.top), *(op.right), *(op.bottom)), 629 op.localMatrix, 630 op.localClip, 631 op.paint, *op.rx, *op.ry); 632 deferRoundRectOp(*resolvedOp); 633} 634 635void FrameBuilder::deferSimpleRectsOp(const SimpleRectsOp& op) { 636 BakedOpState* bakedState = tryBakeOpState(op); 637 if (!bakedState) return; // quick rejected 638 currentLayer().deferUnmergeableOp(mAllocator, bakedState, OpBatchType::Vertices); 639} 640 641static batchid_t textBatchId(const SkPaint& paint) { 642 // TODO: better handling of shader (since we won't care about color then) 643 return paint.getColor() == SK_ColorBLACK ? OpBatchType::Text : OpBatchType::ColorText; 644} 645 646void FrameBuilder::deferTextOp(const TextOp& op) { 647 BakedOpState* bakedState = tryBakeOpState(op); 648 if (!bakedState) return; // quick rejected 649 650 batchid_t batchId = textBatchId(*(op.paint)); 651 if (bakedState->computedState.transform.isPureTranslate() 652 && PaintUtils::getXfermodeDirect(op.paint) == SkXfermode::kSrcOver_Mode 653 && hasMergeableClip(*bakedState)) { 654 mergeid_t mergeId = reinterpret_cast<mergeid_t>(op.paint->getColor()); 655 currentLayer().deferMergeableOp(mAllocator, bakedState, batchId, mergeId); 656 } else { 657 currentLayer().deferUnmergeableOp(mAllocator, bakedState, batchId); 658 } 659} 660 661void FrameBuilder::deferTextOnPathOp(const TextOnPathOp& op) { 662 BakedOpState* bakedState = tryBakeOpState(op); 663 if (!bakedState) return; // quick rejected 664 currentLayer().deferUnmergeableOp(mAllocator, bakedState, textBatchId(*(op.paint))); 665} 666 667void FrameBuilder::deferTextureLayerOp(const TextureLayerOp& op) { 668 BakedOpState* bakedState = tryBakeOpState(op); 669 if (!bakedState) return; // quick rejected 670 currentLayer().deferUnmergeableOp(mAllocator, bakedState, OpBatchType::TextureLayer); 671} 672 673void FrameBuilder::saveForLayer(uint32_t layerWidth, uint32_t layerHeight, 674 float contentTranslateX, float contentTranslateY, 675 const Rect& repaintRect, 676 const Vector3& lightCenter, 677 const BeginLayerOp* beginLayerOp, RenderNode* renderNode) { 678 mCanvasState.save(SaveFlags::MatrixClip); 679 mCanvasState.writableSnapshot()->initializeViewport(layerWidth, layerHeight); 680 mCanvasState.writableSnapshot()->roundRectClipState = nullptr; 681 mCanvasState.writableSnapshot()->setRelativeLightCenter(lightCenter); 682 mCanvasState.writableSnapshot()->transform->loadTranslate( 683 contentTranslateX, contentTranslateY, 0); 684 mCanvasState.writableSnapshot()->setClip( 685 repaintRect.left, repaintRect.top, repaintRect.right, repaintRect.bottom); 686 687 // create a new layer repaint, and push its index on the stack 688 mLayerStack.push_back(mLayerBuilders.size()); 689 auto newFbo = mAllocator.create<LayerBuilder>(layerWidth, layerHeight, 690 repaintRect, beginLayerOp, renderNode); 691 mLayerBuilders.push_back(newFbo); 692} 693 694void FrameBuilder::restoreForLayer() { 695 // restore canvas, and pop finished layer off of the stack 696 mCanvasState.restore(); 697 mLayerStack.pop_back(); 698} 699 700// TODO: defer time rejection (when bounds become empty) + tests 701// Option - just skip layers with no bounds at playback + defer? 702void FrameBuilder::deferBeginLayerOp(const BeginLayerOp& op) { 703 uint32_t layerWidth = (uint32_t) op.unmappedBounds.getWidth(); 704 uint32_t layerHeight = (uint32_t) op.unmappedBounds.getHeight(); 705 706 auto previous = mCanvasState.currentSnapshot(); 707 Vector3 lightCenter = previous->getRelativeLightCenter(); 708 709 // Combine all transforms used to present saveLayer content: 710 // parent content transform * canvas transform * bounds offset 711 Matrix4 contentTransform(*(previous->transform)); 712 contentTransform.multiply(op.localMatrix); 713 contentTransform.translate(op.unmappedBounds.left, op.unmappedBounds.top); 714 715 Matrix4 inverseContentTransform; 716 inverseContentTransform.loadInverse(contentTransform); 717 718 // map the light center into layer-relative space 719 inverseContentTransform.mapPoint3d(lightCenter); 720 721 // Clip bounds of temporary layer to parent's clip rect, so: 722 Rect saveLayerBounds(layerWidth, layerHeight); 723 // 1) transform Rect(width, height) into parent's space 724 // note: left/top offsets put in contentTransform above 725 contentTransform.mapRect(saveLayerBounds); 726 // 2) intersect with parent's clip 727 saveLayerBounds.doIntersect(previous->getRenderTargetClip()); 728 // 3) and transform back 729 inverseContentTransform.mapRect(saveLayerBounds); 730 saveLayerBounds.doIntersect(Rect(layerWidth, layerHeight)); 731 saveLayerBounds.roundOut(); 732 733 // if bounds are reduced, will clip the layer's area by reducing required bounds... 734 layerWidth = saveLayerBounds.getWidth(); 735 layerHeight = saveLayerBounds.getHeight(); 736 // ...and shifting drawing content to account for left/top side clipping 737 float contentTranslateX = -saveLayerBounds.left; 738 float contentTranslateY = -saveLayerBounds.top; 739 740 saveForLayer(layerWidth, layerHeight, 741 contentTranslateX, contentTranslateY, 742 Rect(layerWidth, layerHeight), 743 lightCenter, 744 &op, nullptr); 745} 746 747void FrameBuilder::deferEndLayerOp(const EndLayerOp& /* ignored */) { 748 const BeginLayerOp& beginLayerOp = *currentLayer().beginLayerOp; 749 int finishedLayerIndex = mLayerStack.back(); 750 751 restoreForLayer(); 752 753 // record the draw operation into the previous layer's list of draw commands 754 // uses state from the associated beginLayerOp, since it has all the state needed for drawing 755 LayerOp* drawLayerOp = new (mAllocator) LayerOp( 756 beginLayerOp.unmappedBounds, 757 beginLayerOp.localMatrix, 758 beginLayerOp.localClip, 759 beginLayerOp.paint, 760 &(mLayerBuilders[finishedLayerIndex]->offscreenBuffer)); 761 BakedOpState* bakedOpState = tryBakeOpState(*drawLayerOp); 762 763 if (bakedOpState) { 764 // Layer will be drawn into parent layer (which is now current, since we popped mLayerStack) 765 currentLayer().deferUnmergeableOp(mAllocator, bakedOpState, OpBatchType::Bitmap); 766 } else { 767 // Layer won't be drawn - delete its drawing batches to prevent it from doing any work 768 // TODO: need to prevent any render work from being done 769 // - create layerop earlier for reject purposes? 770 mLayerBuilders[finishedLayerIndex]->clear(); 771 return; 772 } 773} 774 775void FrameBuilder::deferBeginUnclippedLayerOp(const BeginUnclippedLayerOp& op) { 776 Matrix4 boundsTransform(*(mCanvasState.currentSnapshot()->transform)); 777 boundsTransform.multiply(op.localMatrix); 778 779 Rect dstRect(op.unmappedBounds); 780 boundsTransform.mapRect(dstRect); 781 dstRect.doIntersect(mCanvasState.currentSnapshot()->getRenderTargetClip()); 782 783 // Allocate a holding position for the layer object (copyTo will produce, copyFrom will consume) 784 OffscreenBuffer** layerHandle = mAllocator.create<OffscreenBuffer*>(nullptr); 785 786 /** 787 * First, defer an operation to copy out the content from the rendertarget into a layer. 788 */ 789 auto copyToOp = new (mAllocator) CopyToLayerOp(op, layerHandle); 790 BakedOpState* bakedState = BakedOpState::directConstruct(mAllocator, 791 &(currentLayer().viewportClip), dstRect, *copyToOp); 792 currentLayer().deferUnmergeableOp(mAllocator, bakedState, OpBatchType::CopyToLayer); 793 794 /** 795 * Defer a clear rect, so that clears from multiple unclipped layers can be drawn 796 * both 1) simultaneously, and 2) as long after the copyToLayer executes as possible 797 */ 798 currentLayer().deferLayerClear(dstRect); 799 800 /** 801 * And stash an operation to copy that layer back under the rendertarget until 802 * a balanced EndUnclippedLayerOp is seen 803 */ 804 auto copyFromOp = new (mAllocator) CopyFromLayerOp(op, layerHandle); 805 bakedState = BakedOpState::directConstruct(mAllocator, 806 &(currentLayer().viewportClip), dstRect, *copyFromOp); 807 currentLayer().activeUnclippedSaveLayers.push_back(bakedState); 808} 809 810void FrameBuilder::deferEndUnclippedLayerOp(const EndUnclippedLayerOp& /* ignored */) { 811 LOG_ALWAYS_FATAL_IF(currentLayer().activeUnclippedSaveLayers.empty(), "no layer to end!"); 812 813 BakedOpState* copyFromLayerOp = currentLayer().activeUnclippedSaveLayers.back(); 814 currentLayer().deferUnmergeableOp(mAllocator, copyFromLayerOp, OpBatchType::CopyFromLayer); 815 currentLayer().activeUnclippedSaveLayers.pop_back(); 816} 817 818} // namespace uirenderer 819} // namespace android 820