3b4510cd77
Support palette for ninepatches (fixes popupwindow) Crude heuristic tweak to treat any RenderNode that fully contains other nodes as background nodes. Test: all apps is now readable, and so is chrome's menu Change-Id: I9926973c0be1dbf0088fa2d61e4ee2a414b19a97
449 lines
16 KiB
C++
449 lines
16 KiB
C++
/*
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* Copyright (C) 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "RenderNode.h"
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#include "DamageAccumulator.h"
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#include "Debug.h"
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#include "TreeInfo.h"
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#include "VectorDrawable.h"
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#include "renderstate/RenderState.h"
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#include "renderthread/CanvasContext.h"
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#include "utils/FatVector.h"
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#include "utils/MathUtils.h"
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#include "utils/StringUtils.h"
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#include "utils/TraceUtils.h"
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#include <SkPathOps.h>
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#include <algorithm>
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#include <sstream>
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#include <string>
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namespace android {
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namespace uirenderer {
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// Used for tree mutations that are purely destructive.
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// Generic tree mutations should use MarkAndSweepObserver instead
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class ImmediateRemoved : public TreeObserver {
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public:
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explicit ImmediateRemoved(TreeInfo* info) : mTreeInfo(info) {}
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void onMaybeRemovedFromTree(RenderNode* node) override { node->onRemovedFromTree(mTreeInfo); }
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private:
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TreeInfo* mTreeInfo;
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};
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RenderNode::RenderNode()
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: mDirtyPropertyFields(0)
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, mNeedsDisplayListSync(false)
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, mDisplayList(nullptr)
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, mStagingDisplayList(nullptr)
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, mAnimatorManager(*this)
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, mParentCount(0) {}
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RenderNode::~RenderNode() {
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ImmediateRemoved observer(nullptr);
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deleteDisplayList(observer);
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delete mStagingDisplayList;
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LOG_ALWAYS_FATAL_IF(hasLayer(), "layer missed detachment!");
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}
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void RenderNode::setStagingDisplayList(DisplayList* displayList) {
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mValid = (displayList != nullptr);
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mNeedsDisplayListSync = true;
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delete mStagingDisplayList;
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mStagingDisplayList = displayList;
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}
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/**
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* This function is a simplified version of replay(), where we simply retrieve and log the
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* display list. This function should remain in sync with the replay() function.
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*/
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void RenderNode::output() {
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LogcatStream strout;
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strout << "Root";
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output(strout, 0);
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}
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void RenderNode::output(std::ostream& output, uint32_t level) {
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output << " (" << getName() << " " << this
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<< (MathUtils::isZero(properties().getAlpha()) ? ", zero alpha" : "")
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<< (properties().hasShadow() ? ", casting shadow" : "")
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<< (isRenderable() ? "" : ", empty")
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<< (properties().getProjectBackwards() ? ", projected" : "")
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<< (hasLayer() ? ", on HW Layer" : "") << ")" << std::endl;
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properties().debugOutputProperties(output, level + 1);
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if (mDisplayList) {
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mDisplayList->output(output, level);
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}
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output << std::string(level * 2, ' ') << "/RenderNode(" << getName() << " " << this << ")";
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output << std::endl;
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}
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int RenderNode::getDebugSize() {
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int size = sizeof(RenderNode);
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if (mStagingDisplayList) {
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size += mStagingDisplayList->getUsedSize();
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}
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if (mDisplayList && mDisplayList != mStagingDisplayList) {
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size += mDisplayList->getUsedSize();
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}
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return size;
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}
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void RenderNode::prepareTree(TreeInfo& info) {
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ATRACE_CALL();
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LOG_ALWAYS_FATAL_IF(!info.damageAccumulator, "DamageAccumulator missing");
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MarkAndSweepRemoved observer(&info);
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const int before = info.disableForceDark;
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prepareTreeImpl(observer, info, false);
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LOG_ALWAYS_FATAL_IF(before != info.disableForceDark, "Mis-matched force dark");
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}
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void RenderNode::addAnimator(const sp<BaseRenderNodeAnimator>& animator) {
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mAnimatorManager.addAnimator(animator);
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}
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void RenderNode::removeAnimator(const sp<BaseRenderNodeAnimator>& animator) {
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mAnimatorManager.removeAnimator(animator);
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}
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void RenderNode::damageSelf(TreeInfo& info) {
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if (isRenderable()) {
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if (properties().getClipDamageToBounds()) {
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info.damageAccumulator->dirty(0, 0, properties().getWidth(), properties().getHeight());
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} else {
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// Hope this is big enough?
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// TODO: Get this from the display list ops or something
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info.damageAccumulator->dirty(DIRTY_MIN, DIRTY_MIN, DIRTY_MAX, DIRTY_MAX);
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}
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}
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}
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void RenderNode::prepareLayer(TreeInfo& info, uint32_t dirtyMask) {
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LayerType layerType = properties().effectiveLayerType();
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if (CC_UNLIKELY(layerType == LayerType::RenderLayer)) {
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// Damage applied so far needs to affect our parent, but does not require
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// the layer to be updated. So we pop/push here to clear out the current
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// damage and get a clean state for display list or children updates to
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// affect, which will require the layer to be updated
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info.damageAccumulator->popTransform();
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info.damageAccumulator->pushTransform(this);
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if (dirtyMask & DISPLAY_LIST) {
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damageSelf(info);
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}
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}
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}
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void RenderNode::pushLayerUpdate(TreeInfo& info) {
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LayerType layerType = properties().effectiveLayerType();
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// If we are not a layer OR we cannot be rendered (eg, view was detached)
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// we need to destroy any Layers we may have had previously
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if (CC_LIKELY(layerType != LayerType::RenderLayer) || CC_UNLIKELY(!isRenderable()) ||
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CC_UNLIKELY(properties().getWidth() == 0) || CC_UNLIKELY(properties().getHeight() == 0) ||
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CC_UNLIKELY(!properties().fitsOnLayer())) {
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if (CC_UNLIKELY(hasLayer())) {
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this->setLayerSurface(nullptr);
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}
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return;
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}
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if (info.canvasContext.createOrUpdateLayer(this, *info.damageAccumulator, info.errorHandler)) {
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damageSelf(info);
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}
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if (!hasLayer()) {
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return;
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}
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SkRect dirty;
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info.damageAccumulator->peekAtDirty(&dirty);
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info.layerUpdateQueue->enqueueLayerWithDamage(this, dirty);
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// There might be prefetched layers that need to be accounted for.
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// That might be us, so tell CanvasContext that this layer is in the
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// tree and should not be destroyed.
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info.canvasContext.markLayerInUse(this);
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}
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/**
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* Traverse down the the draw tree to prepare for a frame.
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*
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* MODE_FULL = UI Thread-driven (thus properties must be synced), otherwise RT driven
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*
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* While traversing down the tree, functorsNeedLayer flag is set to true if anything that uses the
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* stencil buffer may be needed. Views that use a functor to draw will be forced onto a layer.
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*/
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void RenderNode::prepareTreeImpl(TreeObserver& observer, TreeInfo& info, bool functorsNeedLayer) {
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info.damageAccumulator->pushTransform(this);
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if (info.mode == TreeInfo::MODE_FULL) {
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pushStagingPropertiesChanges(info);
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}
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if (!mProperties.getAllowForceDark()) {
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info.disableForceDark++;
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}
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uint32_t animatorDirtyMask = 0;
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if (CC_LIKELY(info.runAnimations)) {
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animatorDirtyMask = mAnimatorManager.animate(info);
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}
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bool willHaveFunctor = false;
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if (info.mode == TreeInfo::MODE_FULL && mStagingDisplayList) {
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willHaveFunctor = mStagingDisplayList->hasFunctor();
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} else if (mDisplayList) {
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willHaveFunctor = mDisplayList->hasFunctor();
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}
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bool childFunctorsNeedLayer =
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mProperties.prepareForFunctorPresence(willHaveFunctor, functorsNeedLayer);
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if (CC_UNLIKELY(mPositionListener.get())) {
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mPositionListener->onPositionUpdated(*this, info);
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}
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prepareLayer(info, animatorDirtyMask);
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if (info.mode == TreeInfo::MODE_FULL) {
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pushStagingDisplayListChanges(observer, info);
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}
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if (mDisplayList) {
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info.out.hasFunctors |= mDisplayList->hasFunctor();
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bool isDirty = mDisplayList->prepareListAndChildren(
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observer, info, childFunctorsNeedLayer,
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[](RenderNode* child, TreeObserver& observer, TreeInfo& info,
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bool functorsNeedLayer) {
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child->prepareTreeImpl(observer, info, functorsNeedLayer);
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});
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if (isDirty) {
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damageSelf(info);
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}
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}
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pushLayerUpdate(info);
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if (!mProperties.getAllowForceDark()) {
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info.disableForceDark--;
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}
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info.damageAccumulator->popTransform();
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}
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void RenderNode::syncProperties() {
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mProperties = mStagingProperties;
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}
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void RenderNode::pushStagingPropertiesChanges(TreeInfo& info) {
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// Push the animators first so that setupStartValueIfNecessary() is called
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// before properties() is trampled by stagingProperties(), as they are
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// required by some animators.
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if (CC_LIKELY(info.runAnimations)) {
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mAnimatorManager.pushStaging();
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}
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if (mDirtyPropertyFields) {
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mDirtyPropertyFields = 0;
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damageSelf(info);
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info.damageAccumulator->popTransform();
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syncProperties();
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// We could try to be clever and only re-damage if the matrix changed.
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// However, we don't need to worry about that. The cost of over-damaging
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// here is only going to be a single additional map rect of this node
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// plus a rect join(). The parent's transform (and up) will only be
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// performed once.
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info.damageAccumulator->pushTransform(this);
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damageSelf(info);
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}
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}
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void RenderNode::syncDisplayList(TreeObserver& observer, TreeInfo* info) {
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// Make sure we inc first so that we don't fluctuate between 0 and 1,
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// which would thrash the layer cache
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if (mStagingDisplayList) {
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mStagingDisplayList->updateChildren([](RenderNode* child) { child->incParentRefCount(); });
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}
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deleteDisplayList(observer, info);
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mDisplayList = mStagingDisplayList;
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mStagingDisplayList = nullptr;
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if (mDisplayList) {
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mDisplayList->syncContents();
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handleForceDark(info);
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}
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}
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void RenderNode::handleForceDark(android::uirenderer::TreeInfo *info) {
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if (CC_LIKELY(!info || info->disableForceDark)) {
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return;
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}
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auto usage = usageHint();
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const auto& children = mDisplayList->mChildNodes;
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if (mDisplayList->hasText()) {
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usage = UsageHint::Foreground;
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}
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if (usage == UsageHint::Unknown) {
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if (children.size() > 1) {
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usage = UsageHint::Background;
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} else if (children.size() == 1 &&
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children.front().getRenderNode()->usageHint() !=
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UsageHint::Background) {
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usage = UsageHint::Background;
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}
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}
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if (children.size() > 1) {
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// Crude overlap check
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SkRect drawn = SkRect::MakeEmpty();
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for (auto iter = children.rbegin(); iter != children.rend(); ++iter) {
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const auto& child = iter->getRenderNode();
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// We use stagingProperties here because we haven't yet sync'd the children
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SkRect bounds = SkRect::MakeXYWH(child->stagingProperties().getX(), child->stagingProperties().getY(),
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child->stagingProperties().getWidth(), child->stagingProperties().getHeight());
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if (bounds.contains(drawn)) {
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// This contains everything drawn after it, so make it a background
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child->setUsageHint(UsageHint::Background);
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}
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drawn.join(bounds);
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}
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}
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mDisplayList->mDisplayList.applyColorTransform(
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usage == UsageHint::Background ? ColorTransform::Dark : ColorTransform::Light);
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}
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void RenderNode::pushStagingDisplayListChanges(TreeObserver& observer, TreeInfo& info) {
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if (mNeedsDisplayListSync) {
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mNeedsDisplayListSync = false;
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// Damage with the old display list first then the new one to catch any
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// changes in isRenderable or, in the future, bounds
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damageSelf(info);
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syncDisplayList(observer, &info);
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damageSelf(info);
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}
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}
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void RenderNode::deleteDisplayList(TreeObserver& observer, TreeInfo* info) {
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if (mDisplayList) {
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mDisplayList->updateChildren(
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[&observer, info](RenderNode* child) { child->decParentRefCount(observer, info); });
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if (!mDisplayList->reuseDisplayList(this, info ? &info->canvasContext : nullptr)) {
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delete mDisplayList;
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}
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}
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mDisplayList = nullptr;
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}
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void RenderNode::destroyHardwareResources(TreeInfo* info) {
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if (hasLayer()) {
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this->setLayerSurface(nullptr);
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}
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setStagingDisplayList(nullptr);
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ImmediateRemoved observer(info);
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deleteDisplayList(observer, info);
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}
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void RenderNode::destroyLayers() {
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if (hasLayer()) {
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this->setLayerSurface(nullptr);
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}
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if (mDisplayList) {
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mDisplayList->updateChildren([](RenderNode* child) { child->destroyLayers(); });
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}
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}
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void RenderNode::decParentRefCount(TreeObserver& observer, TreeInfo* info) {
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LOG_ALWAYS_FATAL_IF(!mParentCount, "already 0!");
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mParentCount--;
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if (!mParentCount) {
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observer.onMaybeRemovedFromTree(this);
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if (CC_UNLIKELY(mPositionListener.get())) {
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mPositionListener->onPositionLost(*this, info);
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}
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}
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}
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void RenderNode::onRemovedFromTree(TreeInfo* info) {
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destroyHardwareResources(info);
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}
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void RenderNode::clearRoot() {
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ImmediateRemoved observer(nullptr);
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decParentRefCount(observer);
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}
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/**
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* Apply property-based transformations to input matrix
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*
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* If true3dTransform is set to true, the transform applied to the input matrix will use true 4x4
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* matrix computation instead of the Skia 3x3 matrix + camera hackery.
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*/
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void RenderNode::applyViewPropertyTransforms(mat4& matrix, bool true3dTransform) const {
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if (properties().getLeft() != 0 || properties().getTop() != 0) {
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matrix.translate(properties().getLeft(), properties().getTop());
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}
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if (properties().getStaticMatrix()) {
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mat4 stat(*properties().getStaticMatrix());
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matrix.multiply(stat);
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} else if (properties().getAnimationMatrix()) {
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mat4 anim(*properties().getAnimationMatrix());
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matrix.multiply(anim);
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}
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bool applyTranslationZ = true3dTransform && !MathUtils::isZero(properties().getZ());
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if (properties().hasTransformMatrix() || applyTranslationZ) {
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if (properties().isTransformTranslateOnly()) {
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matrix.translate(properties().getTranslationX(), properties().getTranslationY(),
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true3dTransform ? properties().getZ() : 0.0f);
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} else {
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if (!true3dTransform) {
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matrix.multiply(*properties().getTransformMatrix());
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} else {
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mat4 true3dMat;
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true3dMat.loadTranslate(properties().getPivotX() + properties().getTranslationX(),
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properties().getPivotY() + properties().getTranslationY(),
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properties().getZ());
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true3dMat.rotate(properties().getRotationX(), 1, 0, 0);
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true3dMat.rotate(properties().getRotationY(), 0, 1, 0);
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true3dMat.rotate(properties().getRotation(), 0, 0, 1);
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true3dMat.scale(properties().getScaleX(), properties().getScaleY(), 1);
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true3dMat.translate(-properties().getPivotX(), -properties().getPivotY());
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matrix.multiply(true3dMat);
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}
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}
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}
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}
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const SkPath* RenderNode::getClippedOutline(const SkRect& clipRect) const {
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const SkPath* outlinePath = properties().getOutline().getPath();
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const uint32_t outlineID = outlinePath->getGenerationID();
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if (outlineID != mClippedOutlineCache.outlineID || clipRect != mClippedOutlineCache.clipRect) {
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// update the cache keys
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mClippedOutlineCache.outlineID = outlineID;
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mClippedOutlineCache.clipRect = clipRect;
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// update the cache value by recomputing a new path
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SkPath clipPath;
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clipPath.addRect(clipRect);
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Op(*outlinePath, clipPath, kIntersect_SkPathOp, &mClippedOutlineCache.clippedOutline);
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}
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return &mClippedOutlineCache.clippedOutline;
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}
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} /* namespace uirenderer */
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} /* namespace android */
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