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/*
* Copyright (C) 2013 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 <SkCanvas.h>
#include <algorithm>
#include <utils/Trace.h>
#include "DamageAccumulator.h"
#include "Debug.h"
#include "DisplayList.h"
#include "OpDumper.h"
#include "RecordedOp.h"
#include "RenderNode.h"
#include "VectorDrawable.h"
#include "renderthread/CanvasContext.h"
namespace android {
namespace uirenderer {
DisplayList::DisplayList()
: projectionReceiveIndex(-1)
, stdAllocator(allocator)
, chunks(stdAllocator)
, ops(stdAllocator)
, children(stdAllocator)
, bitmapResources(stdAllocator)
, pathResources(stdAllocator)
, patchResources(stdAllocator)
, paints(stdAllocator)
, regions(stdAllocator)
, referenceHolders(stdAllocator)
, functors(stdAllocator)
, vectorDrawables(stdAllocator) {
}
DisplayList::~DisplayList() {
cleanupResources();
}
void DisplayList::cleanupResources() {
if (CC_UNLIKELY(patchResources.size())) {
ResourceCache& resourceCache = ResourceCache::getInstance();
resourceCache.lock();
for (size_t i = 0; i < patchResources.size(); i++) {
resourceCache.decrementRefcountLocked(patchResources[i]);
}
resourceCache.unlock();
}
for (size_t i = 0; i < pathResources.size(); i++) {
const SkPath* path = pathResources[i];
if (path->unique() && Caches::hasInstance()) {
Caches::getInstance().pathCache.removeDeferred(path);
}
delete path;
}
for (auto& iter : functors) {
if (iter.listener) {
iter.listener->onGlFunctorReleased(iter.functor);
}
}
patchResources.clear();
pathResources.clear();
paints.clear();
regions.clear();
}
size_t DisplayList::addChild(NodeOpType* op) {
referenceHolders.push_back(op->renderNode);
size_t index = children.size();
children.push_back(op);
return index;
}
void DisplayList::syncContents() {
for (auto& iter : functors) {
(*iter.functor)(DrawGlInfo::kModeSync, nullptr);
}
for (auto& vectorDrawable : vectorDrawables) {
vectorDrawable->syncProperties();
}
}
void DisplayList::updateChildren(std::function<void(RenderNode*)> updateFn) {
for (auto&& child : children) {
updateFn(child->renderNode);
}
}
bool DisplayList::prepareListAndChildren(TreeObserver& observer, TreeInfo& info, bool functorsNeedLayer,
std::function<void(RenderNode*, TreeObserver&, TreeInfo&, bool)> childFn) {
info.prepareTextures = info.canvasContext.pinImages(bitmapResources);
for (auto&& op : children) {
RenderNode* childNode = op->renderNode;
info.damageAccumulator->pushTransform(&op->localMatrix);
bool childFunctorsNeedLayer = functorsNeedLayer; // TODO! || op->mRecordedWithPotentialStencilClip;
childFn(childNode, observer, info, childFunctorsNeedLayer);
info.damageAccumulator->popTransform();
}
bool isDirty = false;
for (auto& vectorDrawable : vectorDrawables) {
// If any vector drawable in the display list needs update, damage the node.
if (vectorDrawable->isDirty()) {
isDirty = true;
}
vectorDrawable->setPropertyChangeWillBeConsumed(true);
}
return isDirty;
}
void DisplayList::output(std::ostream& output, uint32_t level) {
for (auto&& op : getOps()) {
OpDumper::dump(*op, output, level + 1);
if (op->opId == RecordedOpId::RenderNodeOp) {
auto rnOp = reinterpret_cast<const RenderNodeOp*>(op);
rnOp->renderNode->output(output, level + 1);
} else {
output << std::endl;
}
}
}
}; // namespace uirenderer
}; // namespace android
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