| /* |
| * Copyright (C) 2009 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "platform/graphics/GraphicsLayer.h" |
| |
| #include "SkImageFilter.h" |
| #include "SkMatrix44.h" |
| #include "base/trace_event/trace_event_argument.h" |
| #include "cc/layers/layer.h" |
| #include "platform/DragImage.h" |
| #include "platform/TraceEvent.h" |
| #include "platform/geometry/FloatRect.h" |
| #include "platform/geometry/LayoutRect.h" |
| #include "platform/geometry/Region.h" |
| #include "platform/graphics/BitmapImage.h" |
| #include "platform/graphics/CompositorFilterOperations.h" |
| #include "platform/graphics/FirstPaintInvalidationTracking.h" |
| #include "platform/graphics/GraphicsContext.h" |
| #include "platform/graphics/Image.h" |
| #include "platform/graphics/LinkHighlight.h" |
| #include "platform/graphics/filters/SkiaImageFilterBuilder.h" |
| #include "platform/graphics/paint/DrawingRecorder.h" |
| #include "platform/graphics/paint/PaintController.h" |
| #include "platform/json/JSONValues.h" |
| #include "platform/scroll/ScrollableArea.h" |
| #include "platform/text/TextStream.h" |
| #include "public/platform/Platform.h" |
| #include "public/platform/WebCompositorSupport.h" |
| #include "public/platform/WebFloatPoint.h" |
| #include "public/platform/WebFloatRect.h" |
| #include "public/platform/WebLayer.h" |
| #include "public/platform/WebPoint.h" |
| #include "public/platform/WebSize.h" |
| #include "wtf/CurrentTime.h" |
| #include "wtf/HashMap.h" |
| #include "wtf/HashSet.h" |
| #include "wtf/MathExtras.h" |
| #include "wtf/PtrUtil.h" |
| #include "wtf/text/StringUTF8Adaptor.h" |
| #include "wtf/text/WTFString.h" |
| #include <algorithm> |
| #include <cmath> |
| #include <memory> |
| #include <utility> |
| |
| #ifndef NDEBUG |
| #include <stdio.h> |
| #endif |
| |
| namespace blink { |
| |
| struct PaintInvalidationInfo { |
| DISALLOW_NEW_EXCEPT_PLACEMENT_NEW(); |
| // This is for comparison only. Don't dereference because the client may have died. |
| const DisplayItemClient* client; |
| String clientDebugName; |
| IntRect rect; |
| PaintInvalidationReason reason; |
| }; |
| |
| struct UnderPaintInvalidation { |
| DISALLOW_NEW_EXCEPT_PLACEMENT_NEW(); |
| int x; |
| int y; |
| SkColor oldPixel; |
| SkColor newPixel; |
| }; |
| |
| struct PaintInvalidationTracking { |
| DISALLOW_NEW_EXCEPT_PLACEMENT_NEW(); |
| Vector<PaintInvalidationInfo> trackedPaintInvalidations; |
| sk_sp<SkPicture> lastPaintedPicture; |
| Region paintInvalidationRegionSinceLastPaint; |
| Vector<UnderPaintInvalidation> underPaintInvalidations; |
| }; |
| |
| typedef HashMap<const GraphicsLayer*, PaintInvalidationTracking> PaintInvalidationTrackingMap; |
| static PaintInvalidationTrackingMap& paintInvalidationTrackingMap() |
| { |
| DEFINE_STATIC_LOCAL(PaintInvalidationTrackingMap, map, ()); |
| return map; |
| } |
| |
| std::unique_ptr<GraphicsLayer> GraphicsLayer::create(GraphicsLayerClient* client) |
| { |
| return wrapUnique(new GraphicsLayer(client)); |
| } |
| |
| GraphicsLayer::GraphicsLayer(GraphicsLayerClient* client) |
| : m_client(client) |
| , m_backgroundColor(Color::transparent) |
| , m_opacity(1) |
| , m_blendMode(WebBlendModeNormal) |
| , m_hasTransformOrigin(false) |
| , m_contentsOpaque(false) |
| , m_shouldFlattenTransform(true) |
| , m_backfaceVisibility(true) |
| , m_masksToBounds(false) |
| , m_drawsContent(false) |
| , m_contentsVisible(true) |
| , m_isRootForIsolatedGroup(false) |
| , m_hasScrollParent(false) |
| , m_hasClipParent(false) |
| , m_painted(false) |
| , m_isTrackingPaintInvalidations(client && client->isTrackingPaintInvalidations()) |
| , m_paintingPhase(GraphicsLayerPaintAllWithOverflowClip) |
| , m_parent(0) |
| , m_maskLayer(0) |
| , m_contentsClippingMaskLayer(0) |
| , m_replicaLayer(0) |
| , m_replicatedLayer(0) |
| , m_paintCount(0) |
| , m_contentsLayer(0) |
| , m_contentsLayerId(0) |
| , m_scrollableArea(nullptr) |
| , m_renderingContext3d(0) |
| { |
| #if ENABLE(ASSERT) |
| if (m_client) |
| m_client->verifyNotPainting(); |
| #endif |
| |
| m_contentLayerDelegate = wrapUnique(new ContentLayerDelegate(this)); |
| m_layer = wrapUnique(Platform::current()->compositorSupport()->createContentLayer(m_contentLayerDelegate.get())); |
| m_layer->layer()->setDrawsContent(m_drawsContent && m_contentsVisible); |
| m_layer->layer()->setLayerClient(this); |
| } |
| |
| GraphicsLayer::~GraphicsLayer() |
| { |
| for (size_t i = 0; i < m_linkHighlights.size(); ++i) |
| m_linkHighlights[i]->clearCurrentGraphicsLayer(); |
| m_linkHighlights.clear(); |
| |
| #if ENABLE(ASSERT) |
| if (m_client) |
| m_client->verifyNotPainting(); |
| #endif |
| |
| if (m_replicaLayer) |
| m_replicaLayer->setReplicatedLayer(0); |
| |
| if (m_replicatedLayer) |
| m_replicatedLayer->setReplicatedByLayer(0); |
| |
| removeAllChildren(); |
| removeFromParent(); |
| |
| paintInvalidationTrackingMap().remove(this); |
| ASSERT(!m_parent); |
| } |
| |
| LayoutRect GraphicsLayer::visualRect() const |
| { |
| LayoutRect bounds = LayoutRect(FloatPoint(), size()); |
| bounds.move(offsetFromLayoutObjectWithSubpixelAccumulation()); |
| return bounds; |
| } |
| |
| void GraphicsLayer::setHasWillChangeTransformHint(bool hasWillChangeTransform) |
| { |
| m_layer->layer()->setHasWillChangeTransformHint(hasWillChangeTransform); |
| } |
| |
| void GraphicsLayer::setParent(GraphicsLayer* layer) |
| { |
| ASSERT(!layer || !layer->hasAncestor(this)); |
| m_parent = layer; |
| } |
| |
| #if ENABLE(ASSERT) |
| |
| bool GraphicsLayer::hasAncestor(GraphicsLayer* ancestor) const |
| { |
| for (GraphicsLayer* curr = parent(); curr; curr = curr->parent()) { |
| if (curr == ancestor) |
| return true; |
| } |
| |
| return false; |
| } |
| |
| #endif |
| |
| bool GraphicsLayer::setChildren(const GraphicsLayerVector& newChildren) |
| { |
| // If the contents of the arrays are the same, nothing to do. |
| if (newChildren == m_children) |
| return false; |
| |
| removeAllChildren(); |
| |
| size_t listSize = newChildren.size(); |
| for (size_t i = 0; i < listSize; ++i) |
| addChildInternal(newChildren[i]); |
| |
| updateChildList(); |
| |
| return true; |
| } |
| |
| void GraphicsLayer::addChildInternal(GraphicsLayer* childLayer) |
| { |
| ASSERT(childLayer != this); |
| |
| if (childLayer->parent()) |
| childLayer->removeFromParent(); |
| |
| childLayer->setParent(this); |
| m_children.append(childLayer); |
| |
| // Don't call updateChildList here, this function is used in cases where it |
| // should not be called until all children are processed. |
| } |
| |
| void GraphicsLayer::addChild(GraphicsLayer* childLayer) |
| { |
| addChildInternal(childLayer); |
| updateChildList(); |
| } |
| |
| void GraphicsLayer::addChildBelow(GraphicsLayer* childLayer, GraphicsLayer* sibling) |
| { |
| ASSERT(childLayer != this); |
| childLayer->removeFromParent(); |
| |
| bool found = false; |
| for (unsigned i = 0; i < m_children.size(); i++) { |
| if (sibling == m_children[i]) { |
| m_children.insert(i, childLayer); |
| found = true; |
| break; |
| } |
| } |
| |
| childLayer->setParent(this); |
| |
| if (!found) |
| m_children.append(childLayer); |
| |
| updateChildList(); |
| } |
| |
| void GraphicsLayer::removeAllChildren() |
| { |
| while (!m_children.isEmpty()) { |
| GraphicsLayer* curLayer = m_children.last(); |
| ASSERT(curLayer->parent()); |
| curLayer->removeFromParent(); |
| } |
| } |
| |
| void GraphicsLayer::removeFromParent() |
| { |
| if (m_parent) { |
| // We use reverseFind so that removeAllChildren() isn't n^2. |
| m_parent->m_children.remove(m_parent->m_children.reverseFind(this)); |
| setParent(0); |
| } |
| |
| platformLayer()->removeFromParent(); |
| } |
| |
| void GraphicsLayer::setReplicatedByLayer(GraphicsLayer* layer) |
| { |
| // FIXME: this could probably be a full early exit. |
| if (m_replicaLayer != layer) { |
| if (m_replicaLayer) |
| m_replicaLayer->setReplicatedLayer(0); |
| |
| if (layer) |
| layer->setReplicatedLayer(this); |
| |
| m_replicaLayer = layer; |
| } |
| |
| WebLayer* webReplicaLayer = layer ? layer->platformLayer() : 0; |
| platformLayer()->setReplicaLayer(webReplicaLayer); |
| } |
| |
| void GraphicsLayer::setOffsetFromLayoutObject(const IntSize& offset, ShouldSetNeedsDisplay shouldSetNeedsDisplay) |
| { |
| setOffsetDoubleFromLayoutObject(offset); |
| } |
| |
| void GraphicsLayer::setOffsetDoubleFromLayoutObject(const DoubleSize& offset, ShouldSetNeedsDisplay shouldSetNeedsDisplay) |
| { |
| if (offset == m_offsetFromLayoutObject) |
| return; |
| |
| m_offsetFromLayoutObject = offset; |
| platformLayer()->setFiltersOrigin(FloatPoint() - toFloatSize(offset)); |
| |
| // If the compositing layer offset changes, we need to repaint. |
| if (shouldSetNeedsDisplay == SetNeedsDisplay) |
| setNeedsDisplay(); |
| } |
| |
| LayoutSize GraphicsLayer::offsetFromLayoutObjectWithSubpixelAccumulation() const |
| { |
| return LayoutSize(offsetFromLayoutObject()) + client()->subpixelAccumulation(); |
| } |
| |
| IntRect GraphicsLayer::interestRect() |
| { |
| return m_previousInterestRect; |
| } |
| |
| void GraphicsLayer::paint(const IntRect* interestRect, GraphicsContext::DisabledMode disabledMode) |
| { |
| if (paintWithoutCommit(interestRect, disabledMode)) { |
| getPaintController().commitNewDisplayItems(offsetFromLayoutObjectWithSubpixelAccumulation()); |
| if (RuntimeEnabledFeatures::paintUnderInvalidationCheckingEnabled()) { |
| sk_sp<SkPicture> newPicture = capturePicture(); |
| checkPaintUnderInvalidations(*newPicture); |
| PaintInvalidationTracking& tracking = paintInvalidationTrackingMap().add(this, PaintInvalidationTracking()).storedValue->value; |
| tracking.lastPaintedPicture = std::move(newPicture); |
| tracking.paintInvalidationRegionSinceLastPaint = Region(); |
| } |
| } |
| } |
| |
| bool GraphicsLayer::paintWithoutCommit(const IntRect* interestRect, GraphicsContext::DisabledMode disabledMode) |
| { |
| ASSERT(drawsContent()); |
| |
| if (!m_client) |
| return false; |
| if (firstPaintInvalidationTrackingEnabled()) |
| m_debugInfo.clearAnnotatedInvalidateRects(); |
| incrementPaintCount(); |
| |
| IntRect newInterestRect; |
| if (!interestRect) { |
| newInterestRect = m_client->computeInterestRect(this, m_previousInterestRect); |
| interestRect = &newInterestRect; |
| } |
| |
| if (!getPaintController().subsequenceCachingIsDisabled() |
| && !m_client->needsRepaint(*this) |
| && !getPaintController().cacheIsEmpty() |
| && m_previousInterestRect == *interestRect) { |
| return false; |
| } |
| |
| GraphicsContext context(getPaintController(), disabledMode); |
| |
| m_previousInterestRect = *interestRect; |
| m_client->paintContents(this, context, m_paintingPhase, *interestRect); |
| notifyFirstPaintToClient(); |
| return true; |
| } |
| |
| void GraphicsLayer::notifyFirstPaintToClient() |
| { |
| bool isFirstPaint = false; |
| if (!m_painted) { |
| DisplayItemList& itemList = m_paintController->newDisplayItemList(); |
| for (DisplayItem& item : itemList) { |
| DisplayItem::Type type = item.getType(); |
| if (DisplayItem::isDrawingType(type) && type != DisplayItem::kDocumentBackground && static_cast<const DrawingDisplayItem&>(item).picture()) { |
| m_painted = true; |
| isFirstPaint = true; |
| break; |
| } |
| } |
| } |
| m_client->notifyPaint(isFirstPaint, m_paintController->textPainted(), m_paintController->imagePainted()); |
| } |
| |
| void GraphicsLayer::updateChildList() |
| { |
| WebLayer* childHost = m_layer->layer(); |
| childHost->removeAllChildren(); |
| |
| clearContentsLayerIfUnregistered(); |
| |
| if (m_contentsLayer) { |
| // FIXME: add the contents layer in the correct order with negative z-order children. |
| // This does not cause visible rendering issues because currently contents layers are only used |
| // for replaced elements that don't have children. |
| childHost->addChild(m_contentsLayer); |
| } |
| |
| for (size_t i = 0; i < m_children.size(); ++i) |
| childHost->addChild(m_children[i]->platformLayer()); |
| |
| for (size_t i = 0; i < m_linkHighlights.size(); ++i) |
| childHost->addChild(m_linkHighlights[i]->layer()); |
| } |
| |
| void GraphicsLayer::updateLayerIsDrawable() |
| { |
| // For the rest of the accelerated compositor code, there is no reason to make a |
| // distinction between drawsContent and contentsVisible. So, for m_layer->layer(), these two |
| // flags are combined here. m_contentsLayer shouldn't receive the drawsContent flag |
| // so it is only given contentsVisible. |
| |
| m_layer->layer()->setDrawsContent(m_drawsContent && m_contentsVisible); |
| if (WebLayer* contentsLayer = contentsLayerIfRegistered()) |
| contentsLayer->setDrawsContent(m_contentsVisible); |
| |
| if (m_drawsContent) { |
| m_layer->layer()->invalidate(); |
| for (size_t i = 0; i < m_linkHighlights.size(); ++i) |
| m_linkHighlights[i]->invalidate(); |
| } |
| } |
| |
| void GraphicsLayer::updateContentsRect() |
| { |
| WebLayer* contentsLayer = contentsLayerIfRegistered(); |
| if (!contentsLayer) |
| return; |
| |
| contentsLayer->setPosition(FloatPoint(m_contentsRect.x(), m_contentsRect.y())); |
| contentsLayer->setBounds(IntSize(m_contentsRect.width(), m_contentsRect.height())); |
| |
| if (m_contentsClippingMaskLayer) { |
| if (m_contentsClippingMaskLayer->size() != m_contentsRect.size()) { |
| m_contentsClippingMaskLayer->setSize(FloatSize(m_contentsRect.size())); |
| m_contentsClippingMaskLayer->setNeedsDisplay(); |
| } |
| m_contentsClippingMaskLayer->setPosition(FloatPoint()); |
| m_contentsClippingMaskLayer->setOffsetFromLayoutObject(offsetFromLayoutObject() + IntSize(m_contentsRect.location().x(), m_contentsRect.location().y())); |
| } |
| } |
| |
| static HashSet<int>* s_registeredLayerSet; |
| |
| void GraphicsLayer::registerContentsLayer(WebLayer* layer) |
| { |
| if (!s_registeredLayerSet) |
| s_registeredLayerSet = new HashSet<int>; |
| if (s_registeredLayerSet->contains(layer->id())) |
| CRASH(); |
| s_registeredLayerSet->add(layer->id()); |
| } |
| |
| void GraphicsLayer::unregisterContentsLayer(WebLayer* layer) |
| { |
| ASSERT(s_registeredLayerSet); |
| if (!s_registeredLayerSet->contains(layer->id())) |
| CRASH(); |
| s_registeredLayerSet->remove(layer->id()); |
| } |
| |
| void GraphicsLayer::setContentsTo(WebLayer* layer) |
| { |
| bool childrenChanged = false; |
| if (layer) { |
| ASSERT(s_registeredLayerSet); |
| if (!s_registeredLayerSet->contains(layer->id())) |
| CRASH(); |
| if (m_contentsLayerId != layer->id()) { |
| setupContentsLayer(layer); |
| childrenChanged = true; |
| } |
| updateContentsRect(); |
| } else { |
| if (m_contentsLayer) { |
| childrenChanged = true; |
| |
| // The old contents layer will be removed via updateChildList. |
| m_contentsLayer = 0; |
| m_contentsLayerId = 0; |
| } |
| } |
| |
| if (childrenChanged) |
| updateChildList(); |
| } |
| |
| void GraphicsLayer::setupContentsLayer(WebLayer* contentsLayer) |
| { |
| ASSERT(contentsLayer); |
| m_contentsLayer = contentsLayer; |
| m_contentsLayerId = m_contentsLayer->id(); |
| |
| m_contentsLayer->setLayerClient(this); |
| m_contentsLayer->setTransformOrigin(FloatPoint3D()); |
| m_contentsLayer->setUseParentBackfaceVisibility(true); |
| |
| // It is necessary to call setDrawsContent as soon as we receive the new contentsLayer, for |
| // the correctness of early exit conditions in setDrawsContent() and setContentsVisible(). |
| m_contentsLayer->setDrawsContent(m_contentsVisible); |
| |
| // Insert the content layer first. Video elements require this, because they have |
| // shadow content that must display in front of the video. |
| m_layer->layer()->insertChild(m_contentsLayer, 0); |
| WebLayer* borderWebLayer = m_contentsClippingMaskLayer ? m_contentsClippingMaskLayer->platformLayer() : 0; |
| m_contentsLayer->setMaskLayer(borderWebLayer); |
| |
| m_contentsLayer->setRenderingContext(m_renderingContext3d); |
| } |
| |
| void GraphicsLayer::clearContentsLayerIfUnregistered() |
| { |
| if (!m_contentsLayerId || s_registeredLayerSet->contains(m_contentsLayerId)) |
| return; |
| |
| m_contentsLayer = 0; |
| m_contentsLayerId = 0; |
| } |
| |
| GraphicsLayerDebugInfo& GraphicsLayer::debugInfo() |
| { |
| return m_debugInfo; |
| } |
| |
| WebLayer* GraphicsLayer::contentsLayerIfRegistered() |
| { |
| clearContentsLayerIfUnregistered(); |
| return m_contentsLayer; |
| } |
| |
| void GraphicsLayer::setTracksPaintInvalidations(bool tracksPaintInvalidations) |
| { |
| resetTrackedPaintInvalidations(); |
| m_isTrackingPaintInvalidations = tracksPaintInvalidations; |
| } |
| |
| void GraphicsLayer::resetTrackedPaintInvalidations() |
| { |
| auto it = paintInvalidationTrackingMap().find(this); |
| if (it == paintInvalidationTrackingMap().end()) |
| return; |
| |
| if (RuntimeEnabledFeatures::paintUnderInvalidationCheckingEnabled()) |
| it->value.trackedPaintInvalidations.clear(); |
| else |
| paintInvalidationTrackingMap().remove(it); |
| } |
| |
| bool GraphicsLayer::hasTrackedPaintInvalidations() const |
| { |
| PaintInvalidationTrackingMap::iterator it = paintInvalidationTrackingMap().find(this); |
| if (it != paintInvalidationTrackingMap().end()) |
| return !it->value.trackedPaintInvalidations.isEmpty(); |
| return false; |
| } |
| |
| void GraphicsLayer::trackPaintInvalidation(const DisplayItemClient& client, const IntRect& rect, PaintInvalidationReason reason) |
| { |
| if (!isTrackingOrCheckingPaintInvalidations() || rect.isEmpty()) |
| return; |
| |
| PaintInvalidationTracking& tracking = paintInvalidationTrackingMap().add(this, PaintInvalidationTracking()).storedValue->value; |
| |
| if (m_isTrackingPaintInvalidations) { |
| PaintInvalidationInfo info = { &client, client.debugName(), rect, reason }; |
| tracking.trackedPaintInvalidations.append(info); |
| } |
| |
| if (RuntimeEnabledFeatures::paintUnderInvalidationCheckingEnabled()) { |
| // TODO(crbug.com/496260): Some antialiasing effects overflows the paint invalidation rect. |
| IntRect r = rect; |
| r.inflate(1); |
| tracking.paintInvalidationRegionSinceLastPaint.unite(r); |
| } |
| } |
| |
| static bool comparePaintInvalidationInfo(const PaintInvalidationInfo& a, const PaintInvalidationInfo& b) |
| { |
| // Sort by rect first, bigger rects before smaller ones. |
| if (a.rect.width() != b.rect.width()) |
| return a.rect.width() > b.rect.width(); |
| if (a.rect.height() != b.rect.height()) |
| return a.rect.height() > b.rect.height(); |
| if (a.rect.x() != b.rect.x()) |
| return a.rect.x() > b.rect.x(); |
| if (a.rect.y() != b.rect.y()) |
| return a.rect.y() > b.rect.y(); |
| |
| // Then compare clientDebugName, in alphabetic order. |
| int nameCompareResult = codePointCompare(a.clientDebugName, b.clientDebugName); |
| if (nameCompareResult != 0) |
| return nameCompareResult < 0; |
| |
| return a.reason < b.reason; |
| } |
| |
| template <typename T> |
| static std::unique_ptr<JSONArray> pointAsJSONArray(const T& point) |
| { |
| std::unique_ptr<JSONArray> array = JSONArray::create(); |
| array->pushDouble(point.x()); |
| array->pushDouble(point.y()); |
| return array; |
| } |
| |
| template <typename T> |
| static std::unique_ptr<JSONArray> sizeAsJSONArray(const T& size) |
| { |
| std::unique_ptr<JSONArray> array = JSONArray::create(); |
| array->pushDouble(size.width()); |
| array->pushDouble(size.height()); |
| return array; |
| } |
| |
| template <typename T> |
| static std::unique_ptr<JSONArray> rectAsJSONArray(const T& rect) |
| { |
| std::unique_ptr<JSONArray> array = JSONArray::create(); |
| array->pushDouble(rect.x()); |
| array->pushDouble(rect.y()); |
| array->pushDouble(rect.width()); |
| array->pushDouble(rect.height()); |
| return array; |
| } |
| |
| static double roundCloseToZero(double number) |
| { |
| return std::abs(number) < 1e-7 ? 0 : number; |
| } |
| |
| static std::unique_ptr<JSONArray> transformAsJSONArray(const TransformationMatrix& t) |
| { |
| std::unique_ptr<JSONArray> array = JSONArray::create(); |
| { |
| std::unique_ptr<JSONArray> row = JSONArray::create(); |
| row->pushDouble(roundCloseToZero(t.m11())); |
| row->pushDouble(roundCloseToZero(t.m12())); |
| row->pushDouble(roundCloseToZero(t.m13())); |
| row->pushDouble(roundCloseToZero(t.m14())); |
| array->pushArray(std::move(row)); |
| } |
| { |
| std::unique_ptr<JSONArray> row = JSONArray::create(); |
| row->pushDouble(roundCloseToZero(t.m21())); |
| row->pushDouble(roundCloseToZero(t.m22())); |
| row->pushDouble(roundCloseToZero(t.m23())); |
| row->pushDouble(roundCloseToZero(t.m24())); |
| array->pushArray(std::move(row)); |
| } |
| { |
| std::unique_ptr<JSONArray> row = JSONArray::create(); |
| row->pushDouble(roundCloseToZero(t.m31())); |
| row->pushDouble(roundCloseToZero(t.m32())); |
| row->pushDouble(roundCloseToZero(t.m33())); |
| row->pushDouble(roundCloseToZero(t.m34())); |
| array->pushArray(std::move(row)); |
| } |
| { |
| std::unique_ptr<JSONArray> row = JSONArray::create(); |
| row->pushDouble(roundCloseToZero(t.m41())); |
| row->pushDouble(roundCloseToZero(t.m42())); |
| row->pushDouble(roundCloseToZero(t.m43())); |
| row->pushDouble(roundCloseToZero(t.m44())); |
| array->pushArray(std::move(row)); |
| } |
| return array; |
| } |
| |
| static String pointerAsString(const void* ptr) |
| { |
| TextStream ts; |
| ts << ptr; |
| return ts.release(); |
| } |
| |
| std::unique_ptr<JSONObject> GraphicsLayer::layerTreeAsJSON(LayerTreeFlags flags) const |
| { |
| RenderingContextMap renderingContextMap; |
| return layerTreeAsJSONInternal(flags, renderingContextMap); |
| } |
| |
| std::unique_ptr<JSONObject> GraphicsLayer::layerTreeAsJSONInternal(LayerTreeFlags flags, RenderingContextMap& renderingContextMap) const |
| { |
| std::unique_ptr<JSONObject> json = JSONObject::create(); |
| |
| if (flags & LayerTreeIncludesDebugInfo) |
| json->setString("this", pointerAsString(this)); |
| |
| json->setString("name", debugName()); |
| |
| if (m_position != FloatPoint()) |
| json->setArray("position", pointAsJSONArray(m_position)); |
| |
| if (m_hasTransformOrigin && m_transformOrigin != FloatPoint3D(m_size.width() * 0.5f, m_size.height() * 0.5f, 0)) |
| json->setArray("transformOrigin", pointAsJSONArray(m_transformOrigin)); |
| |
| if (m_size != IntSize()) |
| json->setArray("bounds", sizeAsJSONArray(m_size)); |
| |
| if (m_opacity != 1) |
| json->setDouble("opacity", m_opacity); |
| |
| if (m_blendMode != WebBlendModeNormal) |
| json->setString("blendMode", compositeOperatorName(CompositeSourceOver, m_blendMode)); |
| |
| if (m_isRootForIsolatedGroup) |
| json->setBoolean("isolate", m_isRootForIsolatedGroup); |
| |
| if (m_contentsOpaque) |
| json->setBoolean("contentsOpaque", m_contentsOpaque); |
| |
| if (!m_shouldFlattenTransform) |
| json->setBoolean("shouldFlattenTransform", m_shouldFlattenTransform); |
| |
| if (m_renderingContext3d) { |
| RenderingContextMap::const_iterator it = renderingContextMap.find(m_renderingContext3d); |
| int contextId = renderingContextMap.size() + 1; |
| if (it == renderingContextMap.end()) |
| renderingContextMap.set(m_renderingContext3d, contextId); |
| else |
| contextId = it->value; |
| |
| json->setInteger("3dRenderingContext", contextId); |
| } |
| |
| if (m_drawsContent) |
| json->setBoolean("drawsContent", m_drawsContent); |
| |
| if (!m_contentsVisible) |
| json->setBoolean("contentsVisible", m_contentsVisible); |
| |
| if (!m_backfaceVisibility) |
| json->setString("backfaceVisibility", m_backfaceVisibility ? "visible" : "hidden"); |
| |
| if (flags & LayerTreeIncludesDebugInfo) |
| json->setString("client", pointerAsString(m_client)); |
| |
| if (m_backgroundColor.alpha()) |
| json->setString("backgroundColor", m_backgroundColor.nameForLayoutTreeAsText()); |
| |
| if (!m_transform.isIdentity()) |
| json->setArray("transform", transformAsJSONArray(m_transform)); |
| |
| if (m_replicaLayer) |
| json->setObject("replicaLayer", m_replicaLayer->layerTreeAsJSONInternal(flags, renderingContextMap)); |
| |
| if (m_replicatedLayer) |
| json->setString("replicatedLayer", flags & LayerTreeIncludesDebugInfo ? pointerAsString(m_replicatedLayer) : ""); |
| |
| PaintInvalidationTrackingMap::iterator it = paintInvalidationTrackingMap().find(this); |
| if (it != paintInvalidationTrackingMap().end()) { |
| if (flags & LayerTreeIncludesPaintInvalidations) { |
| Vector<PaintInvalidationInfo>& infos = it->value.trackedPaintInvalidations; |
| if (!infos.isEmpty()) { |
| std::sort(infos.begin(), infos.end(), &comparePaintInvalidationInfo); |
| std::unique_ptr<JSONArray> paintInvalidationsJSON = JSONArray::create(); |
| for (auto& info : infos) { |
| std::unique_ptr<JSONObject> infoJSON = JSONObject::create(); |
| infoJSON->setString("object", info.clientDebugName); |
| if (!info.rect.isEmpty()) |
| infoJSON->setArray("rect", rectAsJSONArray(info.rect)); |
| infoJSON->setString("reason", paintInvalidationReasonToString(info.reason)); |
| paintInvalidationsJSON->pushObject(std::move(infoJSON)); |
| } |
| json->setArray("paintInvalidations", std::move(paintInvalidationsJSON)); |
| } |
| |
| Vector<UnderPaintInvalidation>& underPaintInvalidations = it->value.underPaintInvalidations; |
| if (!underPaintInvalidations.isEmpty()) { |
| std::unique_ptr<JSONArray> underPaintInvalidationsJSON = JSONArray::create(); |
| for (auto& underPaintInvalidation : underPaintInvalidations) { |
| std::unique_ptr<JSONObject> underPaintInvalidationJSON = JSONObject::create(); |
| underPaintInvalidationJSON->setDouble("x", underPaintInvalidation.x); |
| underPaintInvalidationJSON->setDouble("y", underPaintInvalidation.x); |
| underPaintInvalidationJSON->setString("oldPixel", Color(underPaintInvalidation.oldPixel).nameForLayoutTreeAsText()); |
| underPaintInvalidationJSON->setString("newPixel", Color(underPaintInvalidation.newPixel).nameForLayoutTreeAsText()); |
| underPaintInvalidationsJSON->pushObject(std::move(underPaintInvalidationJSON)); |
| } |
| json->setArray("underPaintInvalidations", std::move(underPaintInvalidationsJSON)); |
| } |
| } |
| } |
| |
| if ((flags & LayerTreeIncludesPaintingPhases) && m_paintingPhase) { |
| std::unique_ptr<JSONArray> paintingPhasesJSON = JSONArray::create(); |
| if (m_paintingPhase & GraphicsLayerPaintBackground) |
| paintingPhasesJSON->pushString("GraphicsLayerPaintBackground"); |
| if (m_paintingPhase & GraphicsLayerPaintForeground) |
| paintingPhasesJSON->pushString("GraphicsLayerPaintForeground"); |
| if (m_paintingPhase & GraphicsLayerPaintMask) |
| paintingPhasesJSON->pushString("GraphicsLayerPaintMask"); |
| if (m_paintingPhase & GraphicsLayerPaintChildClippingMask) |
| paintingPhasesJSON->pushString("GraphicsLayerPaintChildClippingMask"); |
| if (m_paintingPhase & GraphicsLayerPaintOverflowContents) |
| paintingPhasesJSON->pushString("GraphicsLayerPaintOverflowContents"); |
| if (m_paintingPhase & GraphicsLayerPaintCompositedScroll) |
| paintingPhasesJSON->pushString("GraphicsLayerPaintCompositedScroll"); |
| json->setArray("paintingPhases", std::move(paintingPhasesJSON)); |
| } |
| |
| if (flags & LayerTreeIncludesClipAndScrollParents) { |
| if (m_hasScrollParent) |
| json->setBoolean("hasScrollParent", true); |
| if (m_hasClipParent) |
| json->setBoolean("hasClipParent", true); |
| } |
| |
| if (flags & (LayerTreeIncludesDebugInfo | LayerTreeIncludesCompositingReasons)) { |
| bool debug = flags & LayerTreeIncludesDebugInfo; |
| std::unique_ptr<JSONArray> compositingReasonsJSON = JSONArray::create(); |
| for (size_t i = 0; i < kNumberOfCompositingReasons; ++i) { |
| if (m_debugInfo.getCompositingReasons() & kCompositingReasonStringMap[i].reason) |
| compositingReasonsJSON->pushString(debug ? kCompositingReasonStringMap[i].description : kCompositingReasonStringMap[i].shortName); |
| } |
| json->setArray("compositingReasons", std::move(compositingReasonsJSON)); |
| |
| std::unique_ptr<JSONArray> squashingDisallowedReasonsJSON = JSONArray::create(); |
| for (size_t i = 0; i < kNumberOfSquashingDisallowedReasons; ++i) { |
| if (m_debugInfo.getSquashingDisallowedReasons() & kSquashingDisallowedReasonStringMap[i].reason) |
| squashingDisallowedReasonsJSON->pushString(debug ? kSquashingDisallowedReasonStringMap[i].description : kSquashingDisallowedReasonStringMap[i].shortName); |
| } |
| json->setArray("squashingDisallowedReasons", std::move(squashingDisallowedReasonsJSON)); |
| } |
| |
| if (m_children.size()) { |
| std::unique_ptr<JSONArray> childrenJSON = JSONArray::create(); |
| for (size_t i = 0; i < m_children.size(); i++) |
| childrenJSON->pushObject(m_children[i]->layerTreeAsJSONInternal(flags, renderingContextMap)); |
| json->setArray("children", std::move(childrenJSON)); |
| } |
| |
| return json; |
| } |
| |
| String GraphicsLayer::layerTreeAsText(LayerTreeFlags flags) const |
| { |
| return layerTreeAsJSON(flags)->toPrettyJSONString(); |
| } |
| |
| static const cc::Layer* ccLayerForWebLayer(const WebLayer* webLayer) |
| { |
| return webLayer ? webLayer->ccLayer() : nullptr; |
| } |
| |
| String GraphicsLayer::debugName(cc::Layer* layer) const |
| { |
| String name; |
| if (!m_client) |
| return name; |
| |
| String highlightDebugName; |
| for (size_t i = 0; i < m_linkHighlights.size(); ++i) { |
| if (layer == ccLayerForWebLayer(m_linkHighlights[i]->layer())) { |
| highlightDebugName = "LinkHighlight[" + String::number(i) + "] for " + m_client->debugName(this); |
| break; |
| } |
| } |
| |
| if (layer->id() == m_contentsLayerId) { |
| name = "ContentsLayer for " + m_client->debugName(this); |
| } else if (!highlightDebugName.isEmpty()) { |
| name = highlightDebugName; |
| } else if (layer == ccLayerForWebLayer(m_layer->layer())) { |
| name = m_client->debugName(this); |
| } else { |
| ASSERT_NOT_REACHED(); |
| } |
| return name; |
| } |
| |
| void GraphicsLayer::setCompositingReasons(CompositingReasons reasons) |
| { |
| m_debugInfo.setCompositingReasons(reasons); |
| } |
| |
| void GraphicsLayer::setSquashingDisallowedReasons(SquashingDisallowedReasons reasons) |
| { |
| m_debugInfo.setSquashingDisallowedReasons(reasons); |
| } |
| |
| void GraphicsLayer::setOwnerNodeId(int nodeId) |
| { |
| m_debugInfo.setOwnerNodeId(nodeId); |
| } |
| |
| void GraphicsLayer::setPosition(const FloatPoint& point) |
| { |
| m_position = point; |
| platformLayer()->setPosition(m_position); |
| } |
| |
| void GraphicsLayer::setSize(const FloatSize& size) |
| { |
| // We are receiving negative sizes here that cause assertions to fail in the compositor. Clamp them to 0 to |
| // avoid those assertions. |
| // FIXME: This should be an ASSERT instead, as negative sizes should not exist in WebCore. |
| FloatSize clampedSize = size; |
| if (clampedSize.width() < 0 || clampedSize.height() < 0) |
| clampedSize = FloatSize(); |
| |
| if (clampedSize == m_size) |
| return; |
| |
| m_size = clampedSize; |
| |
| m_layer->layer()->setBounds(flooredIntSize(m_size)); |
| // Note that we don't resize m_contentsLayer. It's up the caller to do that. |
| } |
| |
| void GraphicsLayer::setTransform(const TransformationMatrix& transform) |
| { |
| m_transform = transform; |
| platformLayer()->setTransform(TransformationMatrix::toSkMatrix44(m_transform)); |
| } |
| |
| void GraphicsLayer::setTransformOrigin(const FloatPoint3D& transformOrigin) |
| { |
| m_hasTransformOrigin = true; |
| m_transformOrigin = transformOrigin; |
| platformLayer()->setTransformOrigin(transformOrigin); |
| } |
| |
| void GraphicsLayer::setShouldFlattenTransform(bool shouldFlatten) |
| { |
| if (shouldFlatten == m_shouldFlattenTransform) |
| return; |
| |
| m_shouldFlattenTransform = shouldFlatten; |
| |
| m_layer->layer()->setShouldFlattenTransform(shouldFlatten); |
| } |
| |
| void GraphicsLayer::setRenderingContext(int context) |
| { |
| if (m_renderingContext3d == context) |
| return; |
| |
| m_renderingContext3d = context; |
| m_layer->layer()->setRenderingContext(context); |
| |
| if (m_contentsLayer) |
| m_contentsLayer->setRenderingContext(m_renderingContext3d); |
| } |
| |
| void GraphicsLayer::setMasksToBounds(bool masksToBounds) |
| { |
| m_masksToBounds = masksToBounds; |
| m_layer->layer()->setMasksToBounds(m_masksToBounds); |
| } |
| |
| void GraphicsLayer::setDrawsContent(bool drawsContent) |
| { |
| // Note carefully this early-exit is only correct because we also properly call |
| // WebLayer::setDrawsContent whenever m_contentsLayer is set to a new layer in setupContentsLayer(). |
| if (drawsContent == m_drawsContent) |
| return; |
| |
| m_drawsContent = drawsContent; |
| updateLayerIsDrawable(); |
| |
| if (!drawsContent && m_paintController) |
| m_paintController.reset(); |
| } |
| |
| void GraphicsLayer::setContentsVisible(bool contentsVisible) |
| { |
| // Note carefully this early-exit is only correct because we also properly call |
| // WebLayer::setDrawsContent whenever m_contentsLayer is set to a new layer in setupContentsLayer(). |
| if (contentsVisible == m_contentsVisible) |
| return; |
| |
| m_contentsVisible = contentsVisible; |
| updateLayerIsDrawable(); |
| } |
| |
| void GraphicsLayer::setClipParent(WebLayer* parent) |
| { |
| m_hasClipParent = !!parent; |
| m_layer->layer()->setClipParent(parent); |
| } |
| |
| void GraphicsLayer::setScrollParent(WebLayer* parent) |
| { |
| m_hasScrollParent = !!parent; |
| m_layer->layer()->setScrollParent(parent); |
| } |
| |
| void GraphicsLayer::setBackgroundColor(const Color& color) |
| { |
| if (color == m_backgroundColor) |
| return; |
| |
| m_backgroundColor = color; |
| m_layer->layer()->setBackgroundColor(m_backgroundColor.rgb()); |
| } |
| |
| void GraphicsLayer::setContentsOpaque(bool opaque) |
| { |
| m_contentsOpaque = opaque; |
| m_layer->layer()->setOpaque(m_contentsOpaque); |
| clearContentsLayerIfUnregistered(); |
| if (m_contentsLayer) |
| m_contentsLayer->setOpaque(opaque); |
| } |
| |
| void GraphicsLayer::setMaskLayer(GraphicsLayer* maskLayer) |
| { |
| if (maskLayer == m_maskLayer) |
| return; |
| |
| m_maskLayer = maskLayer; |
| WebLayer* maskWebLayer = m_maskLayer ? m_maskLayer->platformLayer() : 0; |
| m_layer->layer()->setMaskLayer(maskWebLayer); |
| } |
| |
| void GraphicsLayer::setContentsClippingMaskLayer(GraphicsLayer* contentsClippingMaskLayer) |
| { |
| if (contentsClippingMaskLayer == m_contentsClippingMaskLayer) |
| return; |
| |
| m_contentsClippingMaskLayer = contentsClippingMaskLayer; |
| WebLayer* contentsLayer = contentsLayerIfRegistered(); |
| if (!contentsLayer) |
| return; |
| WebLayer* contentsClippingMaskWebLayer = m_contentsClippingMaskLayer ? m_contentsClippingMaskLayer->platformLayer() : 0; |
| contentsLayer->setMaskLayer(contentsClippingMaskWebLayer); |
| updateContentsRect(); |
| } |
| |
| void GraphicsLayer::setBackfaceVisibility(bool visible) |
| { |
| m_backfaceVisibility = visible; |
| platformLayer()->setDoubleSided(m_backfaceVisibility); |
| } |
| |
| void GraphicsLayer::setOpacity(float opacity) |
| { |
| float clampedOpacity = clampTo(opacity, 0.0f, 1.0f); |
| m_opacity = clampedOpacity; |
| platformLayer()->setOpacity(opacity); |
| } |
| |
| void GraphicsLayer::setBlendMode(WebBlendMode blendMode) |
| { |
| if (m_blendMode == blendMode) |
| return; |
| m_blendMode = blendMode; |
| platformLayer()->setBlendMode(blendMode); |
| } |
| |
| void GraphicsLayer::setIsRootForIsolatedGroup(bool isolated) |
| { |
| if (m_isRootForIsolatedGroup == isolated) |
| return; |
| m_isRootForIsolatedGroup = isolated; |
| platformLayer()->setIsRootForIsolatedGroup(isolated); |
| } |
| |
| void GraphicsLayer::setContentsNeedsDisplay() |
| { |
| if (WebLayer* contentsLayer = contentsLayerIfRegistered()) { |
| contentsLayer->invalidate(); |
| trackPaintInvalidation(*this, m_contentsRect, PaintInvalidationFull); |
| } |
| } |
| |
| void GraphicsLayer::setNeedsDisplay() |
| { |
| if (!drawsContent()) |
| return; |
| |
| // TODO(chrishtr): stop invalidating the rects once FrameView::paintRecursively does so. |
| m_layer->layer()->invalidate(); |
| for (size_t i = 0; i < m_linkHighlights.size(); ++i) |
| m_linkHighlights[i]->invalidate(); |
| getPaintController().invalidateAll(); |
| |
| trackPaintInvalidation(*this, IntRect(IntPoint(), expandedIntSize(m_size)), PaintInvalidationFull); |
| } |
| |
| void GraphicsLayer::setNeedsDisplayInRect(const IntRect& rect, PaintInvalidationReason invalidationReason, const DisplayItemClient& client) |
| { |
| if (!drawsContent()) |
| return; |
| |
| m_layer->layer()->invalidateRect(rect); |
| if (firstPaintInvalidationTrackingEnabled()) |
| m_debugInfo.appendAnnotatedInvalidateRect(rect, invalidationReason); |
| for (size_t i = 0; i < m_linkHighlights.size(); ++i) |
| m_linkHighlights[i]->invalidate(); |
| |
| trackPaintInvalidation(client, rect, invalidationReason); |
| } |
| |
| void GraphicsLayer::setContentsRect(const IntRect& rect) |
| { |
| if (rect == m_contentsRect) |
| return; |
| |
| m_contentsRect = rect; |
| updateContentsRect(); |
| } |
| |
| void GraphicsLayer::setContentsToImage(Image* image, RespectImageOrientationEnum respectImageOrientation) |
| { |
| sk_sp<SkImage> skImage = image ? image->imageForCurrentFrame() : nullptr; |
| |
| if (image && skImage && image->isBitmapImage()) { |
| if (respectImageOrientation == RespectImageOrientation) { |
| ImageOrientation imageOrientation = toBitmapImage(image)->currentFrameOrientation(); |
| skImage = DragImage::resizeAndOrientImage(std::move(skImage), imageOrientation); |
| } |
| } |
| |
| if (image && skImage) { |
| if (!m_imageLayer) { |
| m_imageLayer = wrapUnique(Platform::current()->compositorSupport()->createImageLayer()); |
| registerContentsLayer(m_imageLayer->layer()); |
| } |
| m_imageLayer->setImage(skImage.get()); |
| m_imageLayer->layer()->setOpaque(image->currentFrameKnownToBeOpaque()); |
| updateContentsRect(); |
| } else { |
| if (m_imageLayer) { |
| unregisterContentsLayer(m_imageLayer->layer()); |
| m_imageLayer.reset(); |
| } |
| } |
| |
| setContentsTo(m_imageLayer ? m_imageLayer->layer() : 0); |
| } |
| |
| WebLayer* GraphicsLayer::platformLayer() const |
| { |
| return m_layer->layer(); |
| } |
| |
| void GraphicsLayer::setFilters(const FilterOperations& filters) |
| { |
| CompositorFilterOperations compositorFilters; |
| SkiaImageFilterBuilder::buildFilterOperations(filters, &compositorFilters); |
| m_layer->layer()->setFilters(compositorFilters.releaseCcFilterOperations()); |
| } |
| |
| void GraphicsLayer::setBackdropFilters(const FilterOperations& filters) |
| { |
| CompositorFilterOperations compositorFilters; |
| SkiaImageFilterBuilder::buildFilterOperations(filters, &compositorFilters); |
| m_layer->layer()->setBackgroundFilters(compositorFilters.releaseCcFilterOperations()); |
| } |
| |
| void GraphicsLayer::setFilterQuality(SkFilterQuality filterQuality) |
| { |
| if (m_imageLayer) |
| m_imageLayer->setNearestNeighbor(filterQuality == kNone_SkFilterQuality); |
| } |
| |
| void GraphicsLayer::setPaintingPhase(GraphicsLayerPaintingPhase phase) |
| { |
| if (m_paintingPhase == phase) |
| return; |
| m_paintingPhase = phase; |
| setNeedsDisplay(); |
| } |
| |
| void GraphicsLayer::addLinkHighlight(LinkHighlight* linkHighlight) |
| { |
| ASSERT(linkHighlight && !m_linkHighlights.contains(linkHighlight)); |
| m_linkHighlights.append(linkHighlight); |
| linkHighlight->layer()->setLayerClient(this); |
| updateChildList(); |
| } |
| |
| void GraphicsLayer::removeLinkHighlight(LinkHighlight* linkHighlight) |
| { |
| m_linkHighlights.remove(m_linkHighlights.find(linkHighlight)); |
| updateChildList(); |
| } |
| |
| void GraphicsLayer::setScrollableArea(ScrollableArea* scrollableArea, bool isVisualViewport) |
| { |
| if (m_scrollableArea == scrollableArea) |
| return; |
| |
| m_scrollableArea = scrollableArea; |
| |
| // VisualViewport scrolling may involve pinch zoom and gets routed through |
| // WebViewImpl explicitly rather than via GraphicsLayer::didScroll since it |
| // needs to be set in tandem with the page scale delta. |
| if (isVisualViewport) |
| m_layer->layer()->setScrollClient(0); |
| else |
| m_layer->layer()->setScrollClient(this); |
| } |
| |
| void GraphicsLayer::didScroll() |
| { |
| if (m_scrollableArea) { |
| DoublePoint newPosition = m_scrollableArea->minimumScrollPosition() + toDoubleSize(m_layer->layer()->scrollPositionDouble()); |
| |
| // FrameView::setScrollPosition doesn't work for compositor commits (interacts poorly with programmatic scroll animations) |
| // so we need to use the ScrollableArea version. The FrameView method should go away soon anyway. |
| m_scrollableArea->ScrollableArea::setScrollPosition(newPosition, CompositorScroll); |
| } |
| } |
| |
| std::unique_ptr<base::trace_event::ConvertableToTraceFormat> GraphicsLayer::TakeDebugInfo(cc::Layer* layer) |
| { |
| std::unique_ptr<base::trace_event::TracedValue> tracedValue(m_debugInfo.asTracedValue()); |
| tracedValue->SetString("layer_name", WTF::StringUTF8Adaptor(debugName(layer)).asStringPiece()); |
| return std::move(tracedValue); |
| } |
| |
| void GraphicsLayer::didUpdateMainThreadScrollingReasons() |
| { |
| m_debugInfo.setMainThreadScrollingReasons(platformLayer()->mainThreadScrollingReasons()); |
| } |
| |
| PaintController& GraphicsLayer::getPaintController() |
| { |
| RELEASE_ASSERT(drawsContent()); |
| if (!m_paintController) |
| m_paintController = PaintController::create(); |
| return *m_paintController; |
| } |
| |
| void GraphicsLayer::setElementId(const CompositorElementId& id) |
| { |
| if (WebLayer* layer = platformLayer()) |
| layer->setElementId(id); |
| } |
| |
| void GraphicsLayer::setCompositorMutableProperties(uint32_t properties) |
| { |
| if (WebLayer* layer = platformLayer()) |
| layer->setCompositorMutableProperties(properties); |
| } |
| |
| sk_sp<SkPicture> GraphicsLayer::capturePicture() |
| { |
| if (!drawsContent()) |
| return nullptr; |
| |
| IntSize intSize = expandedIntSize(size()); |
| GraphicsContext graphicsContext(getPaintController()); |
| graphicsContext.beginRecording(IntRect(IntPoint(0, 0), intSize)); |
| getPaintController().paintArtifact().replay(graphicsContext); |
| return graphicsContext.endRecording(); |
| } |
| |
| static bool pixelComponentsDiffer(int c1, int c2) |
| { |
| // Compare strictly for saturated values. |
| if (c1 == 0 || c1 == 255 || c2 == 0 || c2 == 255) |
| return c1 != c2; |
| // Tolerate invisible differences that may occur in gradients etc. |
| return abs(c1 - c2) > 2; |
| } |
| |
| static bool pixelsDiffer(SkColor p1, SkColor p2) |
| { |
| return pixelComponentsDiffer(SkColorGetA(p1), SkColorGetA(p2)) |
| || pixelComponentsDiffer(SkColorGetR(p1), SkColorGetR(p2)) |
| || pixelComponentsDiffer(SkColorGetG(p1), SkColorGetG(p2)) |
| || pixelComponentsDiffer(SkColorGetB(p1), SkColorGetB(p2)); |
| } |
| |
| void GraphicsLayer::checkPaintUnderInvalidations(const SkPicture& newPicture) |
| { |
| if (!drawsContent()) |
| return; |
| |
| auto it = paintInvalidationTrackingMap().find(this); |
| if (it == paintInvalidationTrackingMap().end()) |
| return; |
| PaintInvalidationTracking& tracking = it->value; |
| if (!tracking.lastPaintedPicture) |
| return; |
| |
| SkBitmap oldBitmap; |
| int width = static_cast<int>(ceilf(std::min(tracking.lastPaintedPicture->cullRect().width(), newPicture.cullRect().width()))); |
| int height = static_cast<int>(ceilf(std::min(tracking.lastPaintedPicture->cullRect().height(), newPicture.cullRect().height()))); |
| oldBitmap.allocPixels(SkImageInfo::MakeN32Premul(width, height)); |
| { |
| SkCanvas canvas(oldBitmap); |
| canvas.clear(SK_ColorTRANSPARENT); |
| canvas.drawPicture(tracking.lastPaintedPicture.get()); |
| } |
| |
| SkBitmap newBitmap; |
| newBitmap.allocPixels(SkImageInfo::MakeN32Premul(width, height)); |
| { |
| SkCanvas canvas(newBitmap); |
| canvas.clear(SK_ColorTRANSPARENT); |
| canvas.drawPicture(&newPicture); |
| } |
| |
| oldBitmap.lockPixels(); |
| newBitmap.lockPixels(); |
| int mismatchingPixels = 0; |
| static const int maxMismatchesToReport = 50; |
| for (int y = 0; y < height; ++y) { |
| for (int x = 0; x < width; ++x) { |
| SkColor oldPixel = oldBitmap.getColor(x, y); |
| SkColor newPixel = newBitmap.getColor(x, y); |
| if (pixelsDiffer(oldPixel, newPixel) && !tracking.paintInvalidationRegionSinceLastPaint.contains(IntPoint(x, y))) { |
| if (mismatchingPixels < maxMismatchesToReport) { |
| UnderPaintInvalidation underPaintInvalidation = { x, y, oldPixel, newPixel }; |
| tracking.underPaintInvalidations.append(underPaintInvalidation); |
| LOG(ERROR) << debugName() << " Uninvalidated old/new pixels mismatch at " << x << "," << y << " old:" << std::hex << oldPixel << " new:" << newPixel; |
| } else if (mismatchingPixels == maxMismatchesToReport) { |
| LOG(ERROR) << "and more..."; |
| } |
| ++mismatchingPixels; |
| *newBitmap.getAddr32(x, y) = SkColorSetARGB(0x80, 0xFF, 0, 0xFF); // Half translucent magenta. |
| } else { |
| *newBitmap.getAddr32(x, y) = SK_ColorTRANSPARENT; |
| } |
| } |
| } |
| |
| oldBitmap.unlockPixels(); |
| newBitmap.unlockPixels(); |
| |
| // Visualize under-invalidations by overlaying the new bitmap (containing red pixels indicating under-invalidations, |
| // and transparent pixels otherwise) onto the painting. |
| SkPictureRecorder recorder; |
| recorder.beginRecording(width, height); |
| recorder.getRecordingCanvas()->drawBitmap(newBitmap, 0, 0); |
| sk_sp<SkPicture> picture = recorder.finishRecordingAsPicture(); |
| getPaintController().appendDebugDrawingAfterCommit(*this, picture, offsetFromLayoutObjectWithSubpixelAccumulation()); |
| } |
| |
| } // namespace blink |
| |
| #ifndef NDEBUG |
| void showGraphicsLayerTree(const blink::GraphicsLayer* layer) |
| { |
| if (!layer) { |
| fprintf(stderr, "Cannot showGraphicsLayerTree for (nil).\n"); |
| return; |
| } |
| |
| String output = layer->layerTreeAsText(blink::LayerTreeIncludesDebugInfo); |
| fprintf(stderr, "%s\n", output.utf8().data()); |
| } |
| #endif |