| /* |
| * Copyright (C) 2016 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "FrameBuilder.h" |
| |
| #include "LayerUpdateQueue.h" |
| #include "RenderNode.h" |
| #include "VectorDrawable.h" |
| #include "renderstate/OffscreenBufferPool.h" |
| #include "hwui/Canvas.h" |
| #include "utils/FatVector.h" |
| #include "utils/PaintUtils.h" |
| #include "utils/TraceUtils.h" |
| |
| #include <SkPathOps.h> |
| #include <utils/TypeHelpers.h> |
| |
| namespace android { |
| namespace uirenderer { |
| |
| FrameBuilder::FrameBuilder(const SkRect& clip, |
| uint32_t viewportWidth, uint32_t viewportHeight, |
| const LightGeometry& lightGeometry, Caches& caches) |
| : mStdAllocator(mAllocator) |
| , mLayerBuilders(mStdAllocator) |
| , mLayerStack(mStdAllocator) |
| , mCanvasState(*this) |
| , mCaches(caches) |
| , mLightRadius(lightGeometry.radius) |
| , mDrawFbo0(true) { |
| |
| // Prepare to defer Fbo0 |
| auto fbo0 = mAllocator.create<LayerBuilder>(viewportWidth, viewportHeight, Rect(clip)); |
| mLayerBuilders.push_back(fbo0); |
| mLayerStack.push_back(0); |
| mCanvasState.initializeSaveStack(viewportWidth, viewportHeight, |
| clip.fLeft, clip.fTop, clip.fRight, clip.fBottom, |
| lightGeometry.center); |
| } |
| |
| FrameBuilder::FrameBuilder(const LayerUpdateQueue& layers, |
| const LightGeometry& lightGeometry, Caches& caches) |
| : mStdAllocator(mAllocator) |
| , mLayerBuilders(mStdAllocator) |
| , mLayerStack(mStdAllocator) |
| , mCanvasState(*this) |
| , mCaches(caches) |
| , mLightRadius(lightGeometry.radius) |
| , mDrawFbo0(false) { |
| // TODO: remove, with each layer on its own save stack |
| |
| // Prepare to defer Fbo0 (which will be empty) |
| auto fbo0 = mAllocator.create<LayerBuilder>(1, 1, Rect(1, 1)); |
| mLayerBuilders.push_back(fbo0); |
| mLayerStack.push_back(0); |
| mCanvasState.initializeSaveStack(1, 1, |
| 0, 0, 1, 1, |
| lightGeometry.center); |
| |
| deferLayers(layers); |
| } |
| |
| void FrameBuilder::deferLayers(const LayerUpdateQueue& layers) { |
| // Render all layers to be updated, in order. Defer in reverse order, so that they'll be |
| // updated in the order they're passed in (mLayerBuilders are issued to Renderer in reverse) |
| for (int i = layers.entries().size() - 1; i >= 0; i--) { |
| RenderNode* layerNode = layers.entries()[i].renderNode; |
| // only schedule repaint if node still on layer - possible it may have been |
| // removed during a dropped frame, but layers may still remain scheduled so |
| // as not to lose info on what portion is damaged |
| OffscreenBuffer* layer = layerNode->getLayer(); |
| if (CC_LIKELY(layer)) { |
| ATRACE_FORMAT("Optimize HW Layer DisplayList %s %ux%u", |
| layerNode->getName(), layerNode->getWidth(), layerNode->getHeight()); |
| |
| Rect layerDamage = layers.entries()[i].damage; |
| // TODO: ensure layer damage can't be larger than layer |
| layerDamage.doIntersect(0, 0, layer->viewportWidth, layer->viewportHeight); |
| layerNode->computeOrdering(); |
| |
| // map current light center into RenderNode's coordinate space |
| Vector3 lightCenter = mCanvasState.currentSnapshot()->getRelativeLightCenter(); |
| layer->inverseTransformInWindow.mapPoint3d(lightCenter); |
| |
| saveForLayer(layerNode->getWidth(), layerNode->getHeight(), 0, 0, |
| layerDamage, lightCenter, nullptr, layerNode); |
| |
| if (layerNode->getDisplayList()) { |
| deferNodeOps(*layerNode); |
| } |
| restoreForLayer(); |
| } |
| } |
| } |
| |
| void FrameBuilder::deferRenderNode(RenderNode& renderNode) { |
| renderNode.computeOrdering(); |
| |
| mCanvasState.save(SaveFlags::MatrixClip); |
| deferNodePropsAndOps(renderNode); |
| mCanvasState.restore(); |
| } |
| |
| void FrameBuilder::deferRenderNode(float tx, float ty, Rect clipRect, RenderNode& renderNode) { |
| renderNode.computeOrdering(); |
| |
| mCanvasState.save(SaveFlags::MatrixClip); |
| mCanvasState.translate(tx, ty); |
| mCanvasState.clipRect(clipRect.left, clipRect.top, clipRect.right, clipRect.bottom, |
| SkRegion::kIntersect_Op); |
| deferNodePropsAndOps(renderNode); |
| mCanvasState.restore(); |
| } |
| |
| static Rect nodeBounds(RenderNode& node) { |
| auto& props = node.properties(); |
| return Rect(props.getLeft(), props.getTop(), |
| props.getRight(), props.getBottom()); |
| } |
| |
| void FrameBuilder::deferRenderNodeScene(const std::vector< sp<RenderNode> >& nodes, |
| const Rect& contentDrawBounds) { |
| if (nodes.size() < 1) return; |
| if (nodes.size() == 1) { |
| if (!nodes[0]->nothingToDraw()) { |
| deferRenderNode(*nodes[0]); |
| } |
| return; |
| } |
| // It there are multiple render nodes, they are laid out as follows: |
| // #0 - backdrop (content + caption) |
| // #1 - content (local bounds are at (0,0), will be translated and clipped to backdrop) |
| // #2 - additional overlay nodes |
| // Usually the backdrop cannot be seen since it will be entirely covered by the content. While |
| // resizing however it might become partially visible. The following render loop will crop the |
| // backdrop against the content and draw the remaining part of it. It will then draw the content |
| // cropped to the backdrop (since that indicates a shrinking of the window). |
| // |
| // Additional nodes will be drawn on top with no particular clipping semantics. |
| |
| // Usually the contents bounds should be mContentDrawBounds - however - we will |
| // move it towards the fixed edge to give it a more stable appearance (for the moment). |
| // If there is no content bounds we ignore the layering as stated above and start with 2. |
| |
| // Backdrop bounds in render target space |
| const Rect backdrop = nodeBounds(*nodes[0]); |
| |
| // Bounds that content will fill in render target space (note content node bounds may be bigger) |
| Rect content(contentDrawBounds.getWidth(), contentDrawBounds.getHeight()); |
| content.translate(backdrop.left, backdrop.top); |
| if (!content.contains(backdrop) && !nodes[0]->nothingToDraw()) { |
| // Content doesn't entirely overlap backdrop, so fill around content (right/bottom) |
| |
| // Note: in the future, if content doesn't snap to backdrop's left/top, this may need to |
| // also fill left/top. Currently, both 2up and freeform position content at the top/left of |
| // the backdrop, so this isn't necessary. |
| if (content.right < backdrop.right) { |
| // draw backdrop to right side of content |
| deferRenderNode(0, 0, Rect(content.right, backdrop.top, |
| backdrop.right, backdrop.bottom), *nodes[0]); |
| } |
| if (content.bottom < backdrop.bottom) { |
| // draw backdrop to bottom of content |
| // Note: bottom fill uses content left/right, to avoid overdrawing left/right fill |
| deferRenderNode(0, 0, Rect(content.left, content.bottom, |
| content.right, backdrop.bottom), *nodes[0]); |
| } |
| } |
| |
| if (!backdrop.isEmpty()) { |
| // content node translation to catch up with backdrop |
| float dx = contentDrawBounds.left - backdrop.left; |
| float dy = contentDrawBounds.top - backdrop.top; |
| |
| Rect contentLocalClip = backdrop; |
| contentLocalClip.translate(dx, dy); |
| deferRenderNode(-dx, -dy, contentLocalClip, *nodes[1]); |
| } else { |
| deferRenderNode(*nodes[1]); |
| } |
| |
| // remaining overlay nodes, simply defer |
| for (size_t index = 2; index < nodes.size(); index++) { |
| if (!nodes[index]->nothingToDraw()) { |
| deferRenderNode(*nodes[index]); |
| } |
| } |
| } |
| |
| void FrameBuilder::onViewportInitialized() {} |
| |
| void FrameBuilder::onSnapshotRestored(const Snapshot& removed, const Snapshot& restored) {} |
| |
| void FrameBuilder::deferNodePropsAndOps(RenderNode& node) { |
| const RenderProperties& properties = node.properties(); |
| const Outline& outline = properties.getOutline(); |
| if (properties.getAlpha() <= 0 |
| || (outline.getShouldClip() && outline.isEmpty()) |
| || properties.getScaleX() == 0 |
| || properties.getScaleY() == 0) { |
| return; // rejected |
| } |
| |
| if (properties.getLeft() != 0 || properties.getTop() != 0) { |
| mCanvasState.translate(properties.getLeft(), properties.getTop()); |
| } |
| if (properties.getStaticMatrix()) { |
| mCanvasState.concatMatrix(*properties.getStaticMatrix()); |
| } else if (properties.getAnimationMatrix()) { |
| mCanvasState.concatMatrix(*properties.getAnimationMatrix()); |
| } |
| if (properties.hasTransformMatrix()) { |
| if (properties.isTransformTranslateOnly()) { |
| mCanvasState.translate(properties.getTranslationX(), properties.getTranslationY()); |
| } else { |
| mCanvasState.concatMatrix(*properties.getTransformMatrix()); |
| } |
| } |
| |
| const int width = properties.getWidth(); |
| const int height = properties.getHeight(); |
| |
| Rect saveLayerBounds; // will be set to non-empty if saveLayer needed |
| const bool isLayer = properties.effectiveLayerType() != LayerType::None; |
| int clipFlags = properties.getClippingFlags(); |
| if (properties.getAlpha() < 1) { |
| if (isLayer) { |
| clipFlags &= ~CLIP_TO_BOUNDS; // bounds clipping done by layer |
| } |
| if (CC_LIKELY(isLayer || !properties.getHasOverlappingRendering())) { |
| // simply scale rendering content's alpha |
| mCanvasState.scaleAlpha(properties.getAlpha()); |
| } else { |
| // schedule saveLayer by initializing saveLayerBounds |
| saveLayerBounds.set(0, 0, width, height); |
| if (clipFlags) { |
| properties.getClippingRectForFlags(clipFlags, &saveLayerBounds); |
| clipFlags = 0; // all clipping done by savelayer |
| } |
| } |
| |
| if (CC_UNLIKELY(ATRACE_ENABLED() && properties.promotedToLayer())) { |
| // pretend alpha always causes savelayer to warn about |
| // performance problem affecting old versions |
| ATRACE_FORMAT("%s alpha caused saveLayer %dx%d", node.getName(), width, height); |
| } |
| } |
| if (clipFlags) { |
| Rect clipRect; |
| properties.getClippingRectForFlags(clipFlags, &clipRect); |
| mCanvasState.clipRect(clipRect.left, clipRect.top, clipRect.right, clipRect.bottom, |
| SkRegion::kIntersect_Op); |
| } |
| |
| if (properties.getRevealClip().willClip()) { |
| Rect bounds; |
| properties.getRevealClip().getBounds(&bounds); |
| mCanvasState.setClippingRoundRect(mAllocator, |
| bounds, properties.getRevealClip().getRadius()); |
| } else if (properties.getOutline().willClip()) { |
| mCanvasState.setClippingOutline(mAllocator, &(properties.getOutline())); |
| } |
| |
| bool quickRejected = mCanvasState.currentSnapshot()->getRenderTargetClip().isEmpty() |
| || (properties.getClipToBounds() |
| && mCanvasState.quickRejectConservative(0, 0, width, height)); |
| if (!quickRejected) { |
| // not rejected, so defer render as either Layer, or direct (possibly wrapped in saveLayer) |
| if (node.getLayer()) { |
| // HW layer |
| LayerOp* drawLayerOp = mAllocator.create_trivial<LayerOp>(node); |
| BakedOpState* bakedOpState = tryBakeOpState(*drawLayerOp); |
| if (bakedOpState) { |
| // Node's layer already deferred, schedule it to render into parent layer |
| currentLayer().deferUnmergeableOp(mAllocator, bakedOpState, OpBatchType::Bitmap); |
| } |
| } else if (CC_UNLIKELY(!saveLayerBounds.isEmpty())) { |
| // draw DisplayList contents within temporary, since persisted layer could not be used. |
| // (temp layers are clipped to viewport, since they don't persist offscreen content) |
| SkPaint saveLayerPaint; |
| saveLayerPaint.setAlpha(properties.getAlpha()); |
| deferBeginLayerOp(*mAllocator.create_trivial<BeginLayerOp>( |
| saveLayerBounds, |
| Matrix4::identity(), |
| nullptr, // no record-time clip - need only respect defer-time one |
| &saveLayerPaint)); |
| deferNodeOps(node); |
| deferEndLayerOp(*mAllocator.create_trivial<EndLayerOp>()); |
| } else { |
| deferNodeOps(node); |
| } |
| } |
| } |
| |
| typedef key_value_pair_t<float, const RenderNodeOp*> ZRenderNodeOpPair; |
| |
| template <typename V> |
| static void buildZSortedChildList(V* zTranslatedNodes, |
| const DisplayList& displayList, const DisplayList::Chunk& chunk) { |
| if (chunk.beginChildIndex == chunk.endChildIndex) return; |
| |
| for (size_t i = chunk.beginChildIndex; i < chunk.endChildIndex; i++) { |
| RenderNodeOp* childOp = displayList.getChildren()[i]; |
| RenderNode* child = childOp->renderNode; |
| float childZ = child->properties().getZ(); |
| |
| if (!MathUtils::isZero(childZ) && chunk.reorderChildren) { |
| zTranslatedNodes->push_back(ZRenderNodeOpPair(childZ, childOp)); |
| childOp->skipInOrderDraw = true; |
| } else if (!child->properties().getProjectBackwards()) { |
| // regular, in order drawing DisplayList |
| childOp->skipInOrderDraw = false; |
| } |
| } |
| |
| // Z sort any 3d children (stable-ness makes z compare fall back to standard drawing order) |
| std::stable_sort(zTranslatedNodes->begin(), zTranslatedNodes->end()); |
| } |
| |
| template <typename V> |
| static size_t findNonNegativeIndex(const V& zTranslatedNodes) { |
| for (size_t i = 0; i < zTranslatedNodes.size(); i++) { |
| if (zTranslatedNodes[i].key >= 0.0f) return i; |
| } |
| return zTranslatedNodes.size(); |
| } |
| |
| template <typename V> |
| void FrameBuilder::defer3dChildren(const ClipBase* reorderClip, ChildrenSelectMode mode, |
| const V& zTranslatedNodes) { |
| const int size = zTranslatedNodes.size(); |
| if (size == 0 |
| || (mode == ChildrenSelectMode::Negative&& zTranslatedNodes[0].key > 0.0f) |
| || (mode == ChildrenSelectMode::Positive && zTranslatedNodes[size - 1].key < 0.0f)) { |
| // no 3d children to draw |
| return; |
| } |
| |
| /** |
| * Draw shadows and (potential) casters mostly in order, but allow the shadows of casters |
| * with very similar Z heights to draw together. |
| * |
| * This way, if Views A & B have the same Z height and are both casting shadows, the shadows are |
| * underneath both, and neither's shadow is drawn on top of the other. |
| */ |
| const size_t nonNegativeIndex = findNonNegativeIndex(zTranslatedNodes); |
| size_t drawIndex, shadowIndex, endIndex; |
| if (mode == ChildrenSelectMode::Negative) { |
| drawIndex = 0; |
| endIndex = nonNegativeIndex; |
| shadowIndex = endIndex; // draw no shadows |
| } else { |
| drawIndex = nonNegativeIndex; |
| endIndex = size; |
| shadowIndex = drawIndex; // potentially draw shadow for each pos Z child |
| } |
| |
| float lastCasterZ = 0.0f; |
| while (shadowIndex < endIndex || drawIndex < endIndex) { |
| if (shadowIndex < endIndex) { |
| const RenderNodeOp* casterNodeOp = zTranslatedNodes[shadowIndex].value; |
| const float casterZ = zTranslatedNodes[shadowIndex].key; |
| // attempt to render the shadow if the caster about to be drawn is its caster, |
| // OR if its caster's Z value is similar to the previous potential caster |
| if (shadowIndex == drawIndex || casterZ - lastCasterZ < 0.1f) { |
| deferShadow(reorderClip, *casterNodeOp); |
| |
| lastCasterZ = casterZ; // must do this even if current caster not casting a shadow |
| shadowIndex++; |
| continue; |
| } |
| } |
| |
| const RenderNodeOp* childOp = zTranslatedNodes[drawIndex].value; |
| deferRenderNodeOpImpl(*childOp); |
| drawIndex++; |
| } |
| } |
| |
| void FrameBuilder::deferShadow(const ClipBase* reorderClip, const RenderNodeOp& casterNodeOp) { |
| auto& node = *casterNodeOp.renderNode; |
| auto& properties = node.properties(); |
| |
| if (properties.getAlpha() <= 0.0f |
| || properties.getOutline().getAlpha() <= 0.0f |
| || !properties.getOutline().getPath() |
| || properties.getScaleX() == 0 |
| || properties.getScaleY() == 0) { |
| // no shadow to draw |
| return; |
| } |
| |
| const SkPath* casterOutlinePath = properties.getOutline().getPath(); |
| const SkPath* revealClipPath = properties.getRevealClip().getPath(); |
| if (revealClipPath && revealClipPath->isEmpty()) return; |
| |
| float casterAlpha = properties.getAlpha() * properties.getOutline().getAlpha(); |
| |
| // holds temporary SkPath to store the result of intersections |
| SkPath* frameAllocatedPath = nullptr; |
| const SkPath* casterPath = casterOutlinePath; |
| |
| // intersect the shadow-casting path with the reveal, if present |
| if (revealClipPath) { |
| frameAllocatedPath = createFrameAllocatedPath(); |
| |
| Op(*casterPath, *revealClipPath, kIntersect_SkPathOp, frameAllocatedPath); |
| casterPath = frameAllocatedPath; |
| } |
| |
| // intersect the shadow-casting path with the clipBounds, if present |
| if (properties.getClippingFlags() & CLIP_TO_CLIP_BOUNDS) { |
| if (!frameAllocatedPath) { |
| frameAllocatedPath = createFrameAllocatedPath(); |
| } |
| Rect clipBounds; |
| properties.getClippingRectForFlags(CLIP_TO_CLIP_BOUNDS, &clipBounds); |
| SkPath clipBoundsPath; |
| clipBoundsPath.addRect(clipBounds.left, clipBounds.top, |
| clipBounds.right, clipBounds.bottom); |
| |
| Op(*casterPath, clipBoundsPath, kIntersect_SkPathOp, frameAllocatedPath); |
| casterPath = frameAllocatedPath; |
| } |
| |
| // apply reorder clip to shadow, so it respects clip at beginning of reorderable chunk |
| int restoreTo = mCanvasState.save(SaveFlags::MatrixClip); |
| mCanvasState.writableSnapshot()->applyClip(reorderClip, |
| *mCanvasState.currentSnapshot()->transform); |
| if (CC_LIKELY(!mCanvasState.getRenderTargetClipBounds().isEmpty())) { |
| Matrix4 shadowMatrixXY(casterNodeOp.localMatrix); |
| Matrix4 shadowMatrixZ(casterNodeOp.localMatrix); |
| node.applyViewPropertyTransforms(shadowMatrixXY, false); |
| node.applyViewPropertyTransforms(shadowMatrixZ, true); |
| |
| sp<TessellationCache::ShadowTask> task = mCaches.tessellationCache.getShadowTask( |
| mCanvasState.currentTransform(), |
| mCanvasState.getLocalClipBounds(), |
| casterAlpha >= 1.0f, |
| casterPath, |
| &shadowMatrixXY, &shadowMatrixZ, |
| mCanvasState.currentSnapshot()->getRelativeLightCenter(), |
| mLightRadius); |
| ShadowOp* shadowOp = mAllocator.create<ShadowOp>(task, casterAlpha); |
| BakedOpState* bakedOpState = BakedOpState::tryShadowOpConstruct( |
| mAllocator, *mCanvasState.writableSnapshot(), shadowOp); |
| if (CC_LIKELY(bakedOpState)) { |
| currentLayer().deferUnmergeableOp(mAllocator, bakedOpState, OpBatchType::Shadow); |
| } |
| } |
| mCanvasState.restoreToCount(restoreTo); |
| } |
| |
| void FrameBuilder::deferProjectedChildren(const RenderNode& renderNode) { |
| int count = mCanvasState.save(SaveFlags::MatrixClip); |
| const SkPath* projectionReceiverOutline = renderNode.properties().getOutline().getPath(); |
| |
| SkPath transformedMaskPath; // on stack, since BakedOpState makes a deep copy |
| if (projectionReceiverOutline) { |
| // transform the mask for this projector into render target space |
| // TODO: consider combining both transforms by stashing transform instead of applying |
| SkMatrix skCurrentTransform; |
| mCanvasState.currentTransform()->copyTo(skCurrentTransform); |
| projectionReceiverOutline->transform( |
| skCurrentTransform, |
| &transformedMaskPath); |
| mCanvasState.setProjectionPathMask(mAllocator, &transformedMaskPath); |
| } |
| |
| for (size_t i = 0; i < renderNode.mProjectedNodes.size(); i++) { |
| RenderNodeOp* childOp = renderNode.mProjectedNodes[i]; |
| RenderNode& childNode = *childOp->renderNode; |
| |
| // Draw child if it has content, but ignore state in childOp - matrix already applied to |
| // transformFromCompositingAncestor, and record-time clip is ignored when projecting |
| if (!childNode.nothingToDraw()) { |
| int restoreTo = mCanvasState.save(SaveFlags::MatrixClip); |
| |
| // Apply transform between ancestor and projected descendant |
| mCanvasState.concatMatrix(childOp->transformFromCompositingAncestor); |
| |
| deferNodePropsAndOps(childNode); |
| |
| mCanvasState.restoreToCount(restoreTo); |
| } |
| } |
| mCanvasState.restoreToCount(count); |
| } |
| |
| /** |
| * Used to define a list of lambdas referencing private FrameBuilder::onXX::defer() methods. |
| * |
| * This allows opIds embedded in the RecordedOps to be used for dispatching to these lambdas. |
| * E.g. a BitmapOp op then would be dispatched to FrameBuilder::onBitmapOp(const BitmapOp&) |
| */ |
| #define OP_RECEIVER(Type) \ |
| [](FrameBuilder& frameBuilder, const RecordedOp& op) { frameBuilder.defer##Type(static_cast<const Type&>(op)); }, |
| void FrameBuilder::deferNodeOps(const RenderNode& renderNode) { |
| typedef void (*OpDispatcher) (FrameBuilder& frameBuilder, const RecordedOp& op); |
| static OpDispatcher receivers[] = BUILD_DEFERRABLE_OP_LUT(OP_RECEIVER); |
| |
| // can't be null, since DL=null node rejection happens before deferNodePropsAndOps |
| const DisplayList& displayList = *(renderNode.getDisplayList()); |
| for (auto& chunk : displayList.getChunks()) { |
| FatVector<ZRenderNodeOpPair, 16> zTranslatedNodes; |
| buildZSortedChildList(&zTranslatedNodes, displayList, chunk); |
| |
| defer3dChildren(chunk.reorderClip, ChildrenSelectMode::Negative, zTranslatedNodes); |
| for (size_t opIndex = chunk.beginOpIndex; opIndex < chunk.endOpIndex; opIndex++) { |
| const RecordedOp* op = displayList.getOps()[opIndex]; |
| receivers[op->opId](*this, *op); |
| |
| if (CC_UNLIKELY(!renderNode.mProjectedNodes.empty() |
| && displayList.projectionReceiveIndex >= 0 |
| && static_cast<int>(opIndex) == displayList.projectionReceiveIndex)) { |
| deferProjectedChildren(renderNode); |
| } |
| } |
| defer3dChildren(chunk.reorderClip, ChildrenSelectMode::Positive, zTranslatedNodes); |
| } |
| } |
| |
| void FrameBuilder::deferRenderNodeOpImpl(const RenderNodeOp& op) { |
| if (op.renderNode->nothingToDraw()) return; |
| int count = mCanvasState.save(SaveFlags::MatrixClip); |
| |
| // apply state from RecordedOp (clip first, since op's clip is transformed by current matrix) |
| mCanvasState.writableSnapshot()->applyClip(op.localClip, |
| *mCanvasState.currentSnapshot()->transform); |
| mCanvasState.concatMatrix(op.localMatrix); |
| |
| // then apply state from node properties, and defer ops |
| deferNodePropsAndOps(*op.renderNode); |
| |
| mCanvasState.restoreToCount(count); |
| } |
| |
| void FrameBuilder::deferRenderNodeOp(const RenderNodeOp& op) { |
| if (!op.skipInOrderDraw) { |
| deferRenderNodeOpImpl(op); |
| } |
| } |
| |
| /** |
| * Defers an unmergeable, strokeable op, accounting correctly |
| * for paint's style on the bounds being computed. |
| */ |
| BakedOpState* FrameBuilder::deferStrokeableOp(const RecordedOp& op, batchid_t batchId, |
| BakedOpState::StrokeBehavior strokeBehavior) { |
| // Note: here we account for stroke when baking the op |
| BakedOpState* bakedState = BakedOpState::tryStrokeableOpConstruct( |
| mAllocator, *mCanvasState.writableSnapshot(), op, strokeBehavior); |
| if (!bakedState) return nullptr; // quick rejected |
| |
| if (op.opId == RecordedOpId::RectOp && op.paint->getStyle() != SkPaint::kStroke_Style) { |
| bakedState->setupOpacity(op.paint); |
| } |
| |
| currentLayer().deferUnmergeableOp(mAllocator, bakedState, batchId); |
| return bakedState; |
| } |
| |
| /** |
| * Returns batch id for tessellatable shapes, based on paint. Checks to see if path effect/AA will |
| * be used, since they trigger significantly different rendering paths. |
| * |
| * Note: not used for lines/points, since they don't currently support path effects. |
| */ |
| static batchid_t tessBatchId(const RecordedOp& op) { |
| const SkPaint& paint = *(op.paint); |
| return paint.getPathEffect() |
| ? OpBatchType::AlphaMaskTexture |
| : (paint.isAntiAlias() ? OpBatchType::AlphaVertices : OpBatchType::Vertices); |
| } |
| |
| void FrameBuilder::deferArcOp(const ArcOp& op) { |
| deferStrokeableOp(op, tessBatchId(op)); |
| } |
| |
| static bool hasMergeableClip(const BakedOpState& state) { |
| return state.computedState.clipState |
| || state.computedState.clipState->mode == ClipMode::Rectangle; |
| } |
| |
| void FrameBuilder::deferBitmapOp(const BitmapOp& op) { |
| BakedOpState* bakedState = tryBakeOpState(op); |
| if (!bakedState) return; // quick rejected |
| |
| if (op.bitmap->isOpaque()) { |
| bakedState->setupOpacity(op.paint); |
| } |
| |
| // Don't merge non-simply transformed or neg scale ops, SET_TEXTURE doesn't handle rotation |
| // Don't merge A8 bitmaps - the paint's color isn't compared by mergeId, or in |
| // MergingDrawBatch::canMergeWith() |
| if (bakedState->computedState.transform.isSimple() |
| && bakedState->computedState.transform.positiveScale() |
| && PaintUtils::getXfermodeDirect(op.paint) == SkXfermode::kSrcOver_Mode |
| && op.bitmap->colorType() != kAlpha_8_SkColorType |
| && hasMergeableClip(*bakedState)) { |
| mergeid_t mergeId = reinterpret_cast<mergeid_t>(op.bitmap->getGenerationID()); |
| // TODO: AssetAtlas in mergeId |
| currentLayer().deferMergeableOp(mAllocator, bakedState, OpBatchType::Bitmap, mergeId); |
| } else { |
| currentLayer().deferUnmergeableOp(mAllocator, bakedState, OpBatchType::Bitmap); |
| } |
| } |
| |
| void FrameBuilder::deferBitmapMeshOp(const BitmapMeshOp& op) { |
| BakedOpState* bakedState = tryBakeOpState(op); |
| if (!bakedState) return; // quick rejected |
| currentLayer().deferUnmergeableOp(mAllocator, bakedState, OpBatchType::Bitmap); |
| } |
| |
| void FrameBuilder::deferBitmapRectOp(const BitmapRectOp& op) { |
| BakedOpState* bakedState = tryBakeOpState(op); |
| if (!bakedState) return; // quick rejected |
| currentLayer().deferUnmergeableOp(mAllocator, bakedState, OpBatchType::Bitmap); |
| } |
| |
| void FrameBuilder::deferVectorDrawableOp(const VectorDrawableOp& op) { |
| const SkBitmap& bitmap = op.vectorDrawable->getBitmapUpdateIfDirty(); |
| SkPaint* paint = op.vectorDrawable->getPaint(); |
| const BitmapRectOp* resolvedOp = mAllocator.create_trivial<BitmapRectOp>(op.unmappedBounds, |
| op.localMatrix, |
| op.localClip, |
| paint, |
| &bitmap, |
| Rect(bitmap.width(), bitmap.height())); |
| deferBitmapRectOp(*resolvedOp); |
| } |
| |
| void FrameBuilder::deferCirclePropsOp(const CirclePropsOp& op) { |
| // allocate a temporary oval op (with mAllocator, so it persists until render), so the |
| // renderer doesn't have to handle the RoundRectPropsOp type, and so state baking is simple. |
| float x = *(op.x); |
| float y = *(op.y); |
| float radius = *(op.radius); |
| Rect unmappedBounds(x - radius, y - radius, x + radius, y + radius); |
| const OvalOp* resolvedOp = mAllocator.create_trivial<OvalOp>( |
| unmappedBounds, |
| op.localMatrix, |
| op.localClip, |
| op.paint); |
| deferOvalOp(*resolvedOp); |
| } |
| |
| void FrameBuilder::deferColorOp(const ColorOp& op) { |
| BakedOpState* bakedState = tryBakeUnboundedOpState(op); |
| if (!bakedState) return; // quick rejected |
| currentLayer().deferUnmergeableOp(mAllocator, bakedState, OpBatchType::Vertices); |
| } |
| |
| void FrameBuilder::deferFunctorOp(const FunctorOp& op) { |
| BakedOpState* bakedState = tryBakeUnboundedOpState(op); |
| if (!bakedState) return; // quick rejected |
| currentLayer().deferUnmergeableOp(mAllocator, bakedState, OpBatchType::Functor); |
| } |
| |
| void FrameBuilder::deferLinesOp(const LinesOp& op) { |
| batchid_t batch = op.paint->isAntiAlias() ? OpBatchType::AlphaVertices : OpBatchType::Vertices; |
| deferStrokeableOp(op, batch, BakedOpState::StrokeBehavior::Forced); |
| } |
| |
| void FrameBuilder::deferOvalOp(const OvalOp& op) { |
| deferStrokeableOp(op, tessBatchId(op)); |
| } |
| |
| void FrameBuilder::deferPatchOp(const PatchOp& op) { |
| BakedOpState* bakedState = tryBakeOpState(op); |
| if (!bakedState) return; // quick rejected |
| |
| if (bakedState->computedState.transform.isPureTranslate() |
| && PaintUtils::getXfermodeDirect(op.paint) == SkXfermode::kSrcOver_Mode |
| && hasMergeableClip(*bakedState)) { |
| mergeid_t mergeId = reinterpret_cast<mergeid_t>(op.bitmap->getGenerationID()); |
| // TODO: AssetAtlas in mergeId |
| |
| // Only use the MergedPatch batchId when merged, so Bitmap+Patch don't try to merge together |
| currentLayer().deferMergeableOp(mAllocator, bakedState, OpBatchType::MergedPatch, mergeId); |
| } else { |
| // Use Bitmap batchId since Bitmap+Patch use same shader |
| currentLayer().deferUnmergeableOp(mAllocator, bakedState, OpBatchType::Bitmap); |
| } |
| } |
| |
| void FrameBuilder::deferPathOp(const PathOp& op) { |
| auto state = deferStrokeableOp(op, OpBatchType::AlphaMaskTexture); |
| if (CC_LIKELY(state)) { |
| mCaches.pathCache.precache(op.path, op.paint); |
| } |
| } |
| |
| void FrameBuilder::deferPointsOp(const PointsOp& op) { |
| batchid_t batch = op.paint->isAntiAlias() ? OpBatchType::AlphaVertices : OpBatchType::Vertices; |
| deferStrokeableOp(op, batch, BakedOpState::StrokeBehavior::Forced); |
| } |
| |
| void FrameBuilder::deferRectOp(const RectOp& op) { |
| deferStrokeableOp(op, tessBatchId(op)); |
| } |
| |
| void FrameBuilder::deferRoundRectOp(const RoundRectOp& op) { |
| auto state = deferStrokeableOp(op, tessBatchId(op)); |
| if (CC_LIKELY(state && !op.paint->getPathEffect())) { |
| // TODO: consider storing tessellation task in BakedOpState |
| mCaches.tessellationCache.precacheRoundRect(state->computedState.transform, *(op.paint), |
| op.unmappedBounds.getWidth(), op.unmappedBounds.getHeight(), op.rx, op.ry); |
| } |
| } |
| |
| void FrameBuilder::deferRoundRectPropsOp(const RoundRectPropsOp& op) { |
| // allocate a temporary round rect op (with mAllocator, so it persists until render), so the |
| // renderer doesn't have to handle the RoundRectPropsOp type, and so state baking is simple. |
| const RoundRectOp* resolvedOp = mAllocator.create_trivial<RoundRectOp>( |
| Rect(*(op.left), *(op.top), *(op.right), *(op.bottom)), |
| op.localMatrix, |
| op.localClip, |
| op.paint, *op.rx, *op.ry); |
| deferRoundRectOp(*resolvedOp); |
| } |
| |
| void FrameBuilder::deferSimpleRectsOp(const SimpleRectsOp& op) { |
| BakedOpState* bakedState = tryBakeOpState(op); |
| if (!bakedState) return; // quick rejected |
| currentLayer().deferUnmergeableOp(mAllocator, bakedState, OpBatchType::Vertices); |
| } |
| |
| static batchid_t textBatchId(const SkPaint& paint) { |
| // TODO: better handling of shader (since we won't care about color then) |
| return paint.getColor() == SK_ColorBLACK ? OpBatchType::Text : OpBatchType::ColorText; |
| } |
| |
| void FrameBuilder::deferTextOp(const TextOp& op) { |
| BakedOpState* bakedState = BakedOpState::tryStrokeableOpConstruct( |
| mAllocator, *mCanvasState.writableSnapshot(), op, |
| BakedOpState::StrokeBehavior::StyleDefined); |
| if (!bakedState) return; // quick rejected |
| |
| batchid_t batchId = textBatchId(*(op.paint)); |
| if (bakedState->computedState.transform.isPureTranslate() |
| && PaintUtils::getXfermodeDirect(op.paint) == SkXfermode::kSrcOver_Mode |
| && hasMergeableClip(*bakedState)) { |
| mergeid_t mergeId = reinterpret_cast<mergeid_t>(op.paint->getColor()); |
| currentLayer().deferMergeableOp(mAllocator, bakedState, batchId, mergeId); |
| } else { |
| currentLayer().deferUnmergeableOp(mAllocator, bakedState, batchId); |
| } |
| |
| FontRenderer& fontRenderer = mCaches.fontRenderer.getFontRenderer(); |
| auto& totalTransform = bakedState->computedState.transform; |
| if (totalTransform.isPureTranslate() || totalTransform.isPerspective()) { |
| fontRenderer.precache(op.paint, op.glyphs, op.glyphCount, SkMatrix::I()); |
| } else { |
| // Partial transform case, see BakedOpDispatcher::renderTextOp |
| float sx, sy; |
| totalTransform.decomposeScale(sx, sy); |
| fontRenderer.precache(op.paint, op.glyphs, op.glyphCount, SkMatrix::MakeScale( |
| roundf(std::max(1.0f, sx)), |
| roundf(std::max(1.0f, sy)))); |
| } |
| } |
| |
| void FrameBuilder::deferTextOnPathOp(const TextOnPathOp& op) { |
| BakedOpState* bakedState = tryBakeUnboundedOpState(op); |
| if (!bakedState) return; // quick rejected |
| currentLayer().deferUnmergeableOp(mAllocator, bakedState, textBatchId(*(op.paint))); |
| |
| mCaches.fontRenderer.getFontRenderer().precache( |
| op.paint, op.glyphs, op.glyphCount, SkMatrix::I()); |
| } |
| |
| void FrameBuilder::deferTextureLayerOp(const TextureLayerOp& op) { |
| if (CC_UNLIKELY(!op.layer->isRenderable())) return; |
| |
| const TextureLayerOp* textureLayerOp = &op; |
| // Now safe to access transform (which was potentially unready at record time) |
| if (!op.layer->getTransform().isIdentity()) { |
| // non-identity transform present, so 'inject it' into op by copying + replacing matrix |
| Matrix4 combinedMatrix(op.localMatrix); |
| combinedMatrix.multiply(op.layer->getTransform()); |
| textureLayerOp = mAllocator.create<TextureLayerOp>(op, combinedMatrix); |
| } |
| BakedOpState* bakedState = tryBakeOpState(*textureLayerOp); |
| |
| if (!bakedState) return; // quick rejected |
| currentLayer().deferUnmergeableOp(mAllocator, bakedState, OpBatchType::TextureLayer); |
| } |
| |
| void FrameBuilder::saveForLayer(uint32_t layerWidth, uint32_t layerHeight, |
| float contentTranslateX, float contentTranslateY, |
| const Rect& repaintRect, |
| const Vector3& lightCenter, |
| const BeginLayerOp* beginLayerOp, RenderNode* renderNode) { |
| mCanvasState.save(SaveFlags::MatrixClip); |
| mCanvasState.writableSnapshot()->initializeViewport(layerWidth, layerHeight); |
| mCanvasState.writableSnapshot()->roundRectClipState = nullptr; |
| mCanvasState.writableSnapshot()->setRelativeLightCenter(lightCenter); |
| mCanvasState.writableSnapshot()->transform->loadTranslate( |
| contentTranslateX, contentTranslateY, 0); |
| mCanvasState.writableSnapshot()->setClip( |
| repaintRect.left, repaintRect.top, repaintRect.right, repaintRect.bottom); |
| |
| // create a new layer repaint, and push its index on the stack |
| mLayerStack.push_back(mLayerBuilders.size()); |
| auto newFbo = mAllocator.create<LayerBuilder>(layerWidth, layerHeight, |
| repaintRect, beginLayerOp, renderNode); |
| mLayerBuilders.push_back(newFbo); |
| } |
| |
| void FrameBuilder::restoreForLayer() { |
| // restore canvas, and pop finished layer off of the stack |
| mCanvasState.restore(); |
| mLayerStack.pop_back(); |
| } |
| |
| // TODO: defer time rejection (when bounds become empty) + tests |
| // Option - just skip layers with no bounds at playback + defer? |
| void FrameBuilder::deferBeginLayerOp(const BeginLayerOp& op) { |
| uint32_t layerWidth = (uint32_t) op.unmappedBounds.getWidth(); |
| uint32_t layerHeight = (uint32_t) op.unmappedBounds.getHeight(); |
| |
| auto previous = mCanvasState.currentSnapshot(); |
| Vector3 lightCenter = previous->getRelativeLightCenter(); |
| |
| // Combine all transforms used to present saveLayer content: |
| // parent content transform * canvas transform * bounds offset |
| Matrix4 contentTransform(*(previous->transform)); |
| contentTransform.multiply(op.localMatrix); |
| contentTransform.translate(op.unmappedBounds.left, op.unmappedBounds.top); |
| |
| Matrix4 inverseContentTransform; |
| inverseContentTransform.loadInverse(contentTransform); |
| |
| // map the light center into layer-relative space |
| inverseContentTransform.mapPoint3d(lightCenter); |
| |
| // Clip bounds of temporary layer to parent's clip rect, so: |
| Rect saveLayerBounds(layerWidth, layerHeight); |
| // 1) transform Rect(width, height) into parent's space |
| // note: left/top offsets put in contentTransform above |
| contentTransform.mapRect(saveLayerBounds); |
| // 2) intersect with parent's clip |
| saveLayerBounds.doIntersect(previous->getRenderTargetClip()); |
| // 3) and transform back |
| inverseContentTransform.mapRect(saveLayerBounds); |
| saveLayerBounds.doIntersect(Rect(layerWidth, layerHeight)); |
| saveLayerBounds.roundOut(); |
| |
| // if bounds are reduced, will clip the layer's area by reducing required bounds... |
| layerWidth = saveLayerBounds.getWidth(); |
| layerHeight = saveLayerBounds.getHeight(); |
| // ...and shifting drawing content to account for left/top side clipping |
| float contentTranslateX = -saveLayerBounds.left; |
| float contentTranslateY = -saveLayerBounds.top; |
| |
| saveForLayer(layerWidth, layerHeight, |
| contentTranslateX, contentTranslateY, |
| Rect(layerWidth, layerHeight), |
| lightCenter, |
| &op, nullptr); |
| } |
| |
| void FrameBuilder::deferEndLayerOp(const EndLayerOp& /* ignored */) { |
| const BeginLayerOp& beginLayerOp = *currentLayer().beginLayerOp; |
| int finishedLayerIndex = mLayerStack.back(); |
| |
| restoreForLayer(); |
| |
| // saveLayer will clip & translate the draw contents, so we need |
| // to translate the drawLayer by how much the contents was translated |
| // TODO: Unify this with beginLayerOp so we don't have to calculate this |
| // twice |
| uint32_t layerWidth = (uint32_t) beginLayerOp.unmappedBounds.getWidth(); |
| uint32_t layerHeight = (uint32_t) beginLayerOp.unmappedBounds.getHeight(); |
| |
| auto previous = mCanvasState.currentSnapshot(); |
| Vector3 lightCenter = previous->getRelativeLightCenter(); |
| |
| // Combine all transforms used to present saveLayer content: |
| // parent content transform * canvas transform * bounds offset |
| Matrix4 contentTransform(*(previous->transform)); |
| contentTransform.multiply(beginLayerOp.localMatrix); |
| contentTransform.translate(beginLayerOp.unmappedBounds.left, |
| beginLayerOp.unmappedBounds.top); |
| |
| Matrix4 inverseContentTransform; |
| inverseContentTransform.loadInverse(contentTransform); |
| |
| // map the light center into layer-relative space |
| inverseContentTransform.mapPoint3d(lightCenter); |
| |
| // Clip bounds of temporary layer to parent's clip rect, so: |
| Rect saveLayerBounds(layerWidth, layerHeight); |
| // 1) transform Rect(width, height) into parent's space |
| // note: left/top offsets put in contentTransform above |
| contentTransform.mapRect(saveLayerBounds); |
| // 2) intersect with parent's clip |
| saveLayerBounds.doIntersect(previous->getRenderTargetClip()); |
| // 3) and transform back |
| inverseContentTransform.mapRect(saveLayerBounds); |
| saveLayerBounds.doIntersect(Rect(layerWidth, layerHeight)); |
| saveLayerBounds.roundOut(); |
| |
| Matrix4 localMatrix(beginLayerOp.localMatrix); |
| localMatrix.translate(saveLayerBounds.left, saveLayerBounds.top); |
| |
| // record the draw operation into the previous layer's list of draw commands |
| // uses state from the associated beginLayerOp, since it has all the state needed for drawing |
| LayerOp* drawLayerOp = mAllocator.create_trivial<LayerOp>( |
| beginLayerOp.unmappedBounds, |
| localMatrix, |
| beginLayerOp.localClip, |
| beginLayerOp.paint, |
| &(mLayerBuilders[finishedLayerIndex]->offscreenBuffer)); |
| BakedOpState* bakedOpState = tryBakeOpState(*drawLayerOp); |
| |
| if (bakedOpState) { |
| // Layer will be drawn into parent layer (which is now current, since we popped mLayerStack) |
| currentLayer().deferUnmergeableOp(mAllocator, bakedOpState, OpBatchType::Bitmap); |
| } else { |
| // Layer won't be drawn - delete its drawing batches to prevent it from doing any work |
| // TODO: need to prevent any render work from being done |
| // - create layerop earlier for reject purposes? |
| mLayerBuilders[finishedLayerIndex]->clear(); |
| return; |
| } |
| } |
| |
| void FrameBuilder::deferBeginUnclippedLayerOp(const BeginUnclippedLayerOp& op) { |
| Matrix4 boundsTransform(*(mCanvasState.currentSnapshot()->transform)); |
| boundsTransform.multiply(op.localMatrix); |
| |
| Rect dstRect(op.unmappedBounds); |
| boundsTransform.mapRect(dstRect); |
| dstRect.roundOut(); |
| dstRect.doIntersect(mCanvasState.currentSnapshot()->getRenderTargetClip()); |
| |
| if (dstRect.isEmpty()) { |
| // Unclipped layer rejected - push a null op, so next EndUnclippedLayerOp is ignored |
| currentLayer().activeUnclippedSaveLayers.push_back(nullptr); |
| } else { |
| // Allocate a holding position for the layer object (copyTo will produce, copyFrom will consume) |
| OffscreenBuffer** layerHandle = mAllocator.create<OffscreenBuffer*>(nullptr); |
| |
| /** |
| * First, defer an operation to copy out the content from the rendertarget into a layer. |
| */ |
| auto copyToOp = mAllocator.create_trivial<CopyToLayerOp>(op, layerHandle); |
| BakedOpState* bakedState = BakedOpState::directConstruct(mAllocator, |
| &(currentLayer().repaintClip), dstRect, *copyToOp); |
| currentLayer().deferUnmergeableOp(mAllocator, bakedState, OpBatchType::CopyToLayer); |
| |
| /** |
| * Defer a clear rect, so that clears from multiple unclipped layers can be drawn |
| * both 1) simultaneously, and 2) as long after the copyToLayer executes as possible |
| */ |
| currentLayer().deferLayerClear(dstRect); |
| |
| /** |
| * And stash an operation to copy that layer back under the rendertarget until |
| * a balanced EndUnclippedLayerOp is seen |
| */ |
| auto copyFromOp = mAllocator.create_trivial<CopyFromLayerOp>(op, layerHandle); |
| bakedState = BakedOpState::directConstruct(mAllocator, |
| &(currentLayer().repaintClip), dstRect, *copyFromOp); |
| currentLayer().activeUnclippedSaveLayers.push_back(bakedState); |
| } |
| } |
| |
| void FrameBuilder::deferEndUnclippedLayerOp(const EndUnclippedLayerOp& /* ignored */) { |
| LOG_ALWAYS_FATAL_IF(currentLayer().activeUnclippedSaveLayers.empty(), "no layer to end!"); |
| |
| BakedOpState* copyFromLayerOp = currentLayer().activeUnclippedSaveLayers.back(); |
| currentLayer().activeUnclippedSaveLayers.pop_back(); |
| if (copyFromLayerOp) { |
| currentLayer().deferUnmergeableOp(mAllocator, copyFromLayerOp, OpBatchType::CopyFromLayer); |
| } |
| } |
| |
| void FrameBuilder::finishDefer() { |
| mCaches.fontRenderer.endPrecaching(); |
| } |
| |
| } // namespace uirenderer |
| } // namespace android |
