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Backed out changeset 0f783930e1b2 (bug 1406727) for GTest failures on ArenaAllocator. r=backout on a CLOSED TREE

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This commit is contained in:
Narcis Beleuzu 2017-11-16 07:45:06 +02:00
parent f98054e952
commit af710e4746
20 changed files with 97 additions and 55 deletions
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3
layout/base/PresShell.cpp
View File

@ -227,6 +227,7 @@ struct RangePaintInfo {
RangePaintInfo(nsRange* aRange, nsIFrame* aFrame)
: mRange(aRange)
, mBuilder(aFrame, nsDisplayListBuilderMode::PAINTING, false)
, mList(&mBuilder)
{
MOZ_COUNT_CTOR(RangePaintInfo);
mBuilder.BeginFrame();
@ -4793,7 +4794,7 @@ PresShell::ClipListToRange(nsDisplayListBuilder *aBuilder,
// part of the selection. Then, append the wrapper to the top of the list.
// Otherwise, just delete the item and don't append it.
nsRect surfaceRect;
nsDisplayList tmpList;
nsDisplayList tmpList(aBuilder);
nsDisplayItem* i;
while ((i = aList->RemoveBottom())) {

12
layout/base/nsLayoutUtils.cpp
View File

@ -3020,7 +3020,7 @@ nsLayoutUtils::GetLayerTransformForFrame(nsIFrame* aFrame,
nsDisplayListBuilderMode::TRANSFORM_COMPUTATION,
false/*don't build caret*/);
builder.BeginFrame();
nsDisplayList list;
nsDisplayList list(&builder);
nsDisplayTransform* item =
new (&builder) nsDisplayTransform(&builder, aFrame, &list, nsRect());
@ -3303,7 +3303,7 @@ nsLayoutUtils::GetFramesForArea(nsIFrame* aFrame, const nsRect& aRect,
nsDisplayListBuilderMode::EVENT_DELIVERY,
false);
builder.BeginFrame();
nsDisplayList list;
nsDisplayList list(&builder);
if (aFlags & IGNORE_PAINT_SUPPRESSION) {
builder.IgnorePaintSuppression();
@ -3684,7 +3684,7 @@ nsLayoutUtils::PaintFrame(gfxContext* aRenderingContext, nsIFrame* aFrame,
} else {
nonRetainedBuilder.emplace(aFrame, aBuilderMode, buildCaret);
builderPtr = nonRetainedBuilder.ptr();
nonRetainedList.emplace();
nonRetainedList.emplace(builderPtr);
listPtr = nonRetainedList.ptr();
}
nsDisplayListBuilder& builder = *builderPtr;
@ -3863,8 +3863,6 @@ nsLayoutUtils::PaintFrame(gfxContext* aRenderingContext, nsIFrame* aFrame,
}
}
builder.Check();
Telemetry::AccumulateTimeDelta(Telemetry::PAINT_BUILD_DISPLAYLIST_TIME,
startBuildDisplayList);
@ -3944,8 +3942,6 @@ nsLayoutUtils::PaintFrame(gfxContext* aRenderingContext, nsIFrame* aFrame,
Telemetry::AccumulateTimeDelta(Telemetry::PAINT_RASTERIZE_TIME,
paintStart);
builder.Check();
if (gfxPrefs::GfxLoggingPaintedPixelCountEnabled()) {
TimeStamp now = TimeStamp::Now();
float rasterizeTime = (now - paintStart).ToMilliseconds();
@ -4051,8 +4047,6 @@ nsLayoutUtils::PaintFrame(gfxContext* aRenderingContext, nsIFrame* aFrame,
}
}
builder.Check();
{
AUTO_PROFILER_TRACING("Paint", "DisplayListResources");

4
layout/base/nsPresArena.h
View File

@ -111,8 +111,8 @@ public:
void AddSizeOfExcludingThis(nsWindowSizes& aWindowSizes) const;
#ifdef MOZ_DIAGNOSTIC_ASSERT_ENABLED
void Check() {
mPool.Check();
bool DebugContains(void* aPtr) {
return mPool.DebugContains(aPtr);
}
#endif

2
layout/forms/nsHTMLButtonControlFrame.cpp
View File

@ -106,7 +106,7 @@ nsHTMLButtonControlFrame::BuildDisplayList(nsDisplayListBuilder* aBuilder,
eventClipState->ClipContainingBlockDescendants(rect, hasRadii ? radii : nullptr);
}
nsDisplayList onTop;
nsDisplayList onTop(aBuilder);
if (IsVisibleForPainting(aBuilder)) {
mRenderer.DisplayButton(aBuilder, aLists.BorderBackground(), &onTop);
}

3
layout/generic/TextOverflow.cpp
View File

@ -326,6 +326,7 @@ TextOverflow::TextOverflow(nsDisplayListBuilder* aBuilder,
, mBuilder(aBuilder)
, mBlock(aBlockFrame)
, mScrollableFrame(nsLayoutUtils::GetScrollableFrameFor(aBlockFrame))
, mMarkerList(aBuilder)
, mBlockSize(aBlockFrame->GetSize())
, mBlockWM(aBlockFrame->GetWritingMode())
, mAdjustForPixelSnapping(false)
@ -754,7 +755,7 @@ TextOverflow::PruneDisplayListContents(nsDisplayList* aList,
const FrameHashtable& aFramesToHide,
const LogicalRect& aInsideMarkersArea)
{
nsDisplayList saved;
nsDisplayList saved(mBuilder);
nsDisplayItem* item;
while ((item = aList->RemoveBottom())) {
nsIFrame* itemFrame = item->Frame();

4
layout/generic/ViewportFrame.cpp
View File

@ -66,7 +66,7 @@ ViewportFrame::BuildDisplayList(nsDisplayListBuilder* aBuilder,
BuildDisplayListForChild(aBuilder, kid, aLists);
}
nsDisplayList topLayerList;
nsDisplayList topLayerList(aBuilder);
BuildDisplayListForTopLayer(aBuilder, &topLayerList);
if (!topLayerList.IsEmpty()) {
// Wrap the whole top layer in a single item with maximum z-index,
@ -130,7 +130,7 @@ BuildDisplayListForTopLayerFrame(nsDisplayListBuilder* aBuilder,
buildingForChild(aBuilder, aFrame, visible, dirty,
aBuilder->IsAtRootOfPseudoStackingContext());
nsDisplayList list;
nsDisplayList list(aBuilder);
aFrame->BuildDisplayListForStackingContext(aBuilder, &list);
aList->AppendToTop(&list);
}

2
layout/generic/nsCanvasFrame.cpp
View File

@ -540,7 +540,7 @@ nsCanvasFrame::BuildDisplayList(nsDisplayListBuilder* aBuilder,
nsRect bgRect = GetRectRelativeToSelf() + aBuilder->ToReferenceFrame(this);
const ActiveScrolledRoot* thisItemASR = asr;
nsDisplayList thisItemList;
nsDisplayList thisItemList(aBuilder);
nsDisplayBackgroundImage::InitData bgData =
nsDisplayBackgroundImage::GetInitData(aBuilder, this, i, bgRect, bg,
nsDisplayBackgroundImage::LayerizeFixed::ALWAYS_LAYERIZE_FIXED_BACKGROUND);

12
layout/generic/nsFrame.cpp
View File

@ -2828,7 +2828,7 @@ nsIFrame::BuildDisplayListForStackingContext(nsDisplayListBuilder* aBuilder,
bool usingSVGEffects = usingFilter || usingMask;
nsRect visibleRectOutsideSVGEffects = visibleRect;
nsDisplayList hoistedScrollInfoItemsStorage;
nsDisplayList hoistedScrollInfoItemsStorage(aBuilder);
if (usingSVGEffects) {
dirtyRect =
nsSVGIntegrationUtils::GetRequiredSourceForInvalidArea(this, dirtyRect);
@ -3049,7 +3049,7 @@ nsIFrame::BuildDisplayListForStackingContext(nsDisplayListBuilder* aBuilder,
// element itself.
set.PositionedDescendants()->SortByZOrder();
nsDisplayList resultList;
nsDisplayList resultList(aBuilder);
// Now follow the rules of http://www.w3.org/TR/CSS21/zindex.html
// 1,2: backgrounds and borders
resultList.AppendToTop(set.BorderBackground());
@ -3200,8 +3200,8 @@ nsIFrame::BuildDisplayListForStackingContext(nsDisplayListBuilder* aBuilder,
if (isTransformed && extend3DContext) {
// Install dummy nsDisplayTransform as a leaf containing
// descendants not participating this 3D rendering context.
nsDisplayList nonparticipants;
nsDisplayList participants;
nsDisplayList nonparticipants(aBuilder);
nsDisplayList participants(aBuilder);
int index = 1;
while (nsDisplayItem* item = resultList.RemoveBottom()) {
@ -3638,8 +3638,8 @@ nsIFrame::BuildDisplayListForChild(nsDisplayListBuilder* aBuilder,
awayFromCommonPath = true;
}
nsDisplayList list;
nsDisplayList extraPositionedDescendants;
nsDisplayList list(aBuilder);
nsDisplayList extraPositionedDescendants(aBuilder);
const ActiveScrolledRoot* wrapListASR = aBuilder->CurrentActiveScrolledRoot();
bool canSkipWrapList = false;
if (isStackingContext) {

6
layout/generic/nsPageFrame.cpp
View File

@ -407,7 +407,7 @@ PruneDisplayListForExtraPage(nsDisplayListBuilder* aBuilder,
nsPageFrame* aPage, nsIFrame* aExtraPage,
nsDisplayList* aList)
{
nsDisplayList newList;
nsDisplayList newList(aBuilder);
while (true) {
nsDisplayItem* i = aList->RemoveBottom();
@ -443,7 +443,7 @@ BuildDisplayListForExtraPage(nsDisplayListBuilder* aBuilder,
if (!aExtraPage->HasAnyStateBits(NS_FRAME_FORCE_DISPLAY_LIST_DESCEND_INTO)) {
return;
}
nsDisplayList list;
nsDisplayList list(aBuilder);
aExtraPage->BuildDisplayListForStackingContext(aBuilder, &list);
PruneDisplayListForExtraPage(aBuilder, aPage, aExtraPage, &list);
aList->AppendToTop(&list);
@ -538,7 +538,7 @@ nsPageFrame::BuildDisplayList(nsDisplayListBuilder* aBuilder,
}
clipRect += aBuilder->ToReferenceFrame(child);
nsDisplayList content;
nsDisplayList content(aBuilder);
{
DisplayListClipState::AutoSaveRestore clipState(aBuilder);

2
layout/generic/nsSimplePageSequenceFrame.cpp
View File

@ -830,7 +830,7 @@ nsSimplePageSequenceFrame::BuildDisplayList(nsDisplayListBuilder* aBuilder,
{
DisplayBorderBackgroundOutline(aBuilder, aLists);
nsDisplayList content;
nsDisplayList content(aBuilder);
{
// Clear clip state while we construct the children of the

6
layout/generic/nsSubDocumentFrame.cpp
View File

@ -312,11 +312,11 @@ WrapBackgroundColorInOwnLayer(nsDisplayListBuilder* aBuilder,
nsIFrame* aFrame,
nsDisplayList* aList)
{
nsDisplayList tempItems;
nsDisplayList tempItems(aBuilder);
nsDisplayItem* item;
while ((item = aList->RemoveBottom()) != nullptr) {
if (item->GetType() == DisplayItemType::TYPE_BACKGROUND_COLOR) {
nsDisplayList tmpList;
nsDisplayList tmpList(aBuilder);
tmpList.AppendToTop(item);
item = new (aBuilder) nsDisplayOwnLayer(aBuilder, aFrame, &tmpList, aBuilder->CurrentActiveScrolledRoot());
}
@ -472,7 +472,7 @@ nsSubDocumentFrame::BuildDisplayList(nsDisplayListBuilder* aBuilder,
mPreviousCaret = aBuilder->GetCaretFrame();
}
nsDisplayList childItems;
nsDisplayList childItems(aBuilder);
{
DisplayListClipState::AutoSaveRestore nestedClipState(aBuilder);

10
layout/painting/RetainedDisplayListBuilder.cpp
View File

@ -86,7 +86,7 @@ void
RetainedDisplayListBuilder::PreProcessDisplayList(nsDisplayList* aList,
AnimatedGeometryRoot* aAGR)
{
nsDisplayList saved;
nsDisplayList saved(&mBuilder);
while (nsDisplayItem* i = aList->RemoveBottom()) {
if (i->HasDeletedFrame() || !i->CanBeReused()) {
i->Destroy(&mBuilder);
@ -353,7 +353,7 @@ RetainedDisplayListBuilder::MergeDisplayLists(nsDisplayList* aNewList,
nsDisplayList* aOutList,
Maybe<const ActiveScrolledRoot*>& aOutContainerASR)
{
nsDisplayList merged;
nsDisplayList merged(&mBuilder);
const auto UseItem = [&](nsDisplayItem* aItem) {
const ActiveScrolledRoot* itemClipASR =
aItem->GetClipChain() ? aItem->GetClipChain()->mASR : nullptr;
@ -433,7 +433,7 @@ RetainedDisplayListBuilder::MergeDisplayLists(nsDisplayList* aNewList,
// Recurse into the child list (without a matching new list) to
// ensure that we find and remove any invalidated items.
if (old->GetChildren()) {
nsDisplayList empty;
nsDisplayList empty(&mBuilder);
Maybe<const ActiveScrolledRoot*> containerASRForChildren;
MergeDisplayLists(&empty, old->GetChildren(),
old->GetChildren(), containerASRForChildren);
@ -490,7 +490,7 @@ RetainedDisplayListBuilder::MergeDisplayLists(nsDisplayList* aNewList,
// with modified or deleted children will be correctly handled.
// Passing an empty new display list as an argument skips the merging
// loop above and jumps back here.
nsDisplayList empty;
nsDisplayList empty(&mBuilder);
Maybe<const ActiveScrolledRoot*> containerASRForChildren;
MergeDisplayLists(&empty, old->GetChildren(),
@ -822,7 +822,7 @@ RetainedDisplayListBuilder::AttemptPartialUpdate(nscolor aBackstop)
PreProcessDisplayList(&mList, modifiedAGR);
nsDisplayList modifiedDL;
nsDisplayList modifiedDL(&mBuilder);
if (!modifiedDirty.IsEmpty() || !framesWithProps.IsEmpty()) {
mBuilder.SetDirtyRect(modifiedDirty);
mBuilder.SetPartialUpdate(true);

1
layout/painting/RetainedDisplayListBuilder.h
View File

@ -15,6 +15,7 @@ struct RetainedDisplayListBuilder {
nsDisplayListBuilderMode aMode,
bool aBuildCaret)
: mBuilder(aReferenceFrame, aMode, aBuildCaret, true)
, mList(&mBuilder)
{}
~RetainedDisplayListBuilder()
{

15
layout/painting/nsDisplayList.cpp
View File

@ -2611,6 +2611,7 @@ nsDisplayItem* nsDisplayList::RemoveBottom() {
nsDisplayItem* item = mSentinel.mAbove;
if (!item)
return nullptr;
MOZ_DIAGNOSTIC_ASSERT(item->mSentinel == 0xDEADBEEFDEADBEEF);
mSentinel.mAbove = item->mAbove;
if (item == mTop) {
// must have been the only item
@ -2622,8 +2623,10 @@ nsDisplayItem* nsDisplayList::RemoveBottom() {
}
void nsDisplayList::DeleteAll(nsDisplayListBuilder* aBuilder) {
MOZ_DIAGNOSTIC_ASSERT(aBuilder == mBuilder);
nsDisplayItem* item;
while ((item = RemoveBottom()) != nullptr) {
MOZ_DIAGNOSTIC_ASSERT(aBuilder->DebugContains(item));
item->Destroy(aBuilder);
}
}
@ -3512,7 +3515,7 @@ nsDisplayBackgroundImage::AppendBackgroundItemsToTop(nsDisplayListBuilder* aBuil
// An auxiliary list is necessary in case we have background blending; if that
// is the case, background items need to be wrapped by a blend container to
// isolate blending to the background
nsDisplayList bgItemList;
nsDisplayList bgItemList(aBuilder);
// Even if we don't actually have a background color to paint, we may still need
// to create an item for hit testing.
if ((drawBackgroundColor && color != NS_RGBA(0,0,0,0)) ||
@ -3602,7 +3605,7 @@ nsDisplayBackgroundImage::AppendBackgroundItemsToTop(nsDisplayListBuilder* aBuil
layer, bgRect, willPaintBorder);
}
nsDisplayList thisItemList;
nsDisplayList thisItemList(aBuilder);
nsDisplayBackgroundImage::InitData bgData =
nsDisplayBackgroundImage::GetInitData(aBuilder, aFrame, i, bgOriginRect, bg,
LayerizeFixed::DO_NOT_LAYERIZE_FIXED_BACKGROUND_IF_AVOIDING_COMPONENT_ALPHA_LAYERS);
@ -5919,6 +5922,7 @@ nsDisplayWrapList::nsDisplayWrapList(nsDisplayListBuilder* aBuilder,
const ActiveScrolledRoot* aActiveScrolledRoot,
bool aClearClipChain)
: nsDisplayItem(aBuilder, aFrame, aActiveScrolledRoot)
, mList(aBuilder)
, mFrameActiveScrolledRoot(aBuilder->CurrentActiveScrolledRoot())
, mOverrideZIndex(0)
, mHasZIndexOverride(false)
@ -5962,6 +5966,7 @@ nsDisplayWrapList::nsDisplayWrapList(nsDisplayListBuilder* aBuilder,
nsDisplayWrapList::nsDisplayWrapList(nsDisplayListBuilder* aBuilder,
nsIFrame* aFrame, nsDisplayItem* aItem)
: nsDisplayItem(aBuilder, aFrame)
, mList(aBuilder)
, mOverrideZIndex(0)
, mHasZIndexOverride(false)
{
@ -6180,7 +6185,7 @@ WrapDisplayList(nsDisplayListBuilder* aBuilder, nsIFrame* aFrame,
static nsresult
WrapEachDisplayItem(nsDisplayListBuilder* aBuilder,
nsDisplayList* aList, nsDisplayWrapper* aWrapper) {
nsDisplayList newList;
nsDisplayList newList(aBuilder);
nsDisplayItem* item;
while ((item = aList->RemoveBottom())) {
item = aWrapper->WrapItem(aBuilder, item);
@ -7070,7 +7075,7 @@ nsDisplayFixedPosition::CreateForFixedBackground(nsDisplayListBuilder* aBuilder,
nsDisplayBackgroundImage* aImage,
uint32_t aIndex)
{
nsDisplayList temp;
nsDisplayList temp(aBuilder);
temp.AppendToTop(aImage);
return new (aBuilder) nsDisplayFixedPosition(aBuilder, aFrame, &temp, aIndex + 1);
@ -7183,7 +7188,7 @@ nsDisplayTableFixedPosition::CreateForFixedBackground(nsDisplayListBuilder* aBui
uint32_t aIndex,
nsIFrame* aAncestorFrame)
{
nsDisplayList temp;
nsDisplayList temp(aBuilder);
temp.AppendToTop(aImage);
return new (aBuilder) nsDisplayTableFixedPosition(aBuilder, aFrame, &temp, aIndex + 1, aAncestorFrame);

38
layout/painting/nsDisplayList.h
View File

@ -674,11 +674,11 @@ public:
void RecomputeCurrentAnimatedGeometryRoot();
void Check() {
#ifdef MOZ_DIAGNOSTIC_ASSERT_ENABLED
mPool.Check();
#endif
bool DebugContains(void* aPtr) {
return mPool.DebugContains(aPtr);
}
#endif
/**
* Returns true if merging and flattening of display lists should be
@ -1832,6 +1832,7 @@ class nsDisplayItemLink {
protected:
nsDisplayItemLink() : mAbove(nullptr) {}
nsDisplayItemLink(const nsDisplayItemLink&) : mAbove(nullptr) {}
uint64_t mSentinel = 0xDEADBEEFDEADBEEF;
nsDisplayItem* mAbove;
friend class nsDisplayList;
@ -2705,8 +2706,9 @@ public:
/**
* Create an empty list.
*/
nsDisplayList()
: mLength(0)
explicit nsDisplayList(nsDisplayListBuilder* aBuilder)
: mBuilder(aBuilder)
, mLength(0)
, mIsOpaque(false)
, mForceTransparentSurface(false)
{
@ -2726,6 +2728,7 @@ public:
void AppendToTop(nsDisplayItem* aItem) {
NS_ASSERTION(aItem, "No item to append!");
NS_ASSERTION(!aItem->mAbove, "Already in a list!");
MOZ_DIAGNOSTIC_ASSERT(mBuilder->DebugContains(aItem));
mTop->mAbove = aItem;
mTop = aItem;
mLength++;
@ -2758,6 +2761,7 @@ public:
void AppendToBottom(nsDisplayItem* aItem) {
NS_ASSERTION(aItem, "No item to append!");
NS_ASSERTION(!aItem->mAbove, "Already in a list!");
MOZ_DIAGNOSTIC_ASSERT(mBuilder->DebugContains(aItem));
aItem->mAbove = mSentinel.mAbove;
mSentinel.mAbove = aItem;
if (mTop == &mSentinel) {
@ -2770,6 +2774,7 @@ public:
* Removes all items from aList and appends them to the top of this list
*/
void AppendToTop(nsDisplayList* aList) {
MOZ_DIAGNOSTIC_ASSERT(mBuilder == aList->mBuilder);
if (aList->mSentinel.mAbove) {
mTop->mAbove = aList->mSentinel.mAbove;
mTop = aList->mTop;
@ -2784,6 +2789,7 @@ public:
* Removes all items from aList and prepends them to the bottom of this list
*/
void AppendToBottom(nsDisplayList* aList) {
MOZ_DIAGNOSTIC_ASSERT(mBuilder == aList->mBuilder);
if (aList->mSentinel.mAbove) {
aList->mTop->mAbove = mSentinel.mAbove;
mSentinel.mAbove = aList->mSentinel.mAbove;
@ -2997,6 +3003,8 @@ public:
mForceTransparentSurface = true;
}
nsDisplayListBuilder* mBuilder;
void RestoreState() {
mIsOpaque = false;
mForceTransparentSurface = false;
@ -3121,10 +3129,24 @@ protected:
struct nsDisplayListCollection : public nsDisplayListSet {
explicit nsDisplayListCollection(nsDisplayListBuilder* aBuilder) :
nsDisplayListSet(&mLists[0], &mLists[1], &mLists[2], &mLists[3], &mLists[4],
&mLists[5]) {}
&mLists[5]),
mLists{ nsDisplayList(aBuilder),
nsDisplayList(aBuilder),
nsDisplayList(aBuilder),
nsDisplayList(aBuilder),
nsDisplayList(aBuilder),
nsDisplayList(aBuilder) }
{}
explicit nsDisplayListCollection(nsDisplayListBuilder* aBuilder, nsDisplayList* aBorderBackground) :
nsDisplayListSet(aBorderBackground, &mLists[1], &mLists[2], &mLists[3], &mLists[4],
&mLists[5]) {}
&mLists[5]),
mLists{ nsDisplayList(aBuilder),
nsDisplayList(aBuilder),
nsDisplayList(aBuilder),
nsDisplayList(aBuilder),
nsDisplayList(aBuilder),
nsDisplayList(aBuilder) }
{}
/**
* Sort all lists by content order.
@ -4551,6 +4573,7 @@ public:
nsDisplayItem* aItem);
nsDisplayWrapList(nsDisplayListBuilder* aBuilder, nsIFrame* aFrame)
: nsDisplayItem(aBuilder, aFrame)
, mList(aBuilder)
, mFrameActiveScrolledRoot(aBuilder->CurrentActiveScrolledRoot())
, mOverrideZIndex(0)
, mHasZIndexOverride(false)
@ -4567,6 +4590,7 @@ public:
nsDisplayWrapList(const nsDisplayWrapList& aOther) = delete;
nsDisplayWrapList(nsDisplayListBuilder* aBuilder, const nsDisplayWrapList& aOther)
: nsDisplayItem(aBuilder, aOther)
, mList(aOther.mList.mBuilder)
, mListPtr(&mList)
, mFrameActiveScrolledRoot(aOther.mFrameActiveScrolledRoot)
, mMergedFrames(aOther.mMergedFrames)

2
layout/svg/nsSVGOuterSVGFrame.cpp
View File

@ -783,7 +783,7 @@ nsSVGOuterSVGFrame::BuildDisplayList(nsDisplayListBuilder* aBuilder,
NS_SVGDisplayListHitTestingEnabled()) ||
(!aBuilder->IsForEventDelivery() &&
NS_SVGDisplayListPaintingEnabled())) {
nsDisplayList newList;
nsDisplayList newList(aBuilder);
nsDisplayListSet set(&newList, &newList, &newList,
&newList, &newList, &newList);
BuildDisplayListForNonBlockChildren(aBuilder, set);

2
layout/xul/nsBoxFrame.cpp
View File

@ -1356,7 +1356,7 @@ nsBoxFrame::BuildDisplayList(nsDisplayListBuilder* aBuilder,
// and merge them into a single Content() list. This can cause us
// to violate CSS stacking order, but forceLayer is a magic
// XUL-only extension anyway.
nsDisplayList masterList;
nsDisplayList masterList(aBuilder);
masterList.AppendToTop(tempLists.BorderBackground());
masterList.AppendToTop(tempLists.BlockBorderBackgrounds());
masterList.AppendToTop(tempLists.Floats());

2
layout/xul/nsImageBoxFrame.cpp
View File

@ -344,7 +344,7 @@ nsImageBoxFrame::BuildDisplayList(nsDisplayListBuilder* aBuilder,
DisplayListClipState::AutoClipContainingBlockDescendantsToContentBox
clip(aBuilder, this, clipFlags);
nsDisplayList list;
nsDisplayList list(aBuilder);
list.AppendNewToTop(
new (aBuilder) nsDisplayXULImage(aBuilder, this));

2
layout/xul/nsSliderFrame.cpp
View File

@ -446,7 +446,7 @@ nsSliderFrame::BuildDisplayListForChildren(nsDisplayListBuilder* aBuilder,
// This is a bit of a hack. Collect up all descendant display items
// and merge them into a single Content() list.
nsDisplayList masterList;
nsDisplayList masterList(aBuilder);
masterList.AppendToTop(tempLists.BorderBackground());
masterList.AppendToTop(tempLists.BlockBorderBackgrounds());
masterList.AppendToTop(tempLists.Floats());

24
xpcom/ds/ArenaAllocator.h
View File

@ -17,7 +17,6 @@
#include "mozilla/MemoryChecking.h"
#include "mozilla/MemoryReporting.h"
#include "mozilla/OperatorNewExtensions.h"
#include "mozilla/Poison.h"
#include "mozilla/TemplateLib.h"
#include "nsDebug.h"
@ -126,11 +125,20 @@ public:
#ifdef MOZ_DIAGNOSTIC_ASSERT_ENABLED
void Check()
bool DebugContains(void* aPtr)
{
for (auto arena = mHead.next; arena; arena = arena->next) {
arena->canary.Check();
if (arena->DebugContains(aPtr)) {
return true;
}
}
std::stringstream log;
log << "Failed to find pointer " << aPtr << " within arena blocks: ";
for (ArenaChunk* arena = mHead.next; arena; arena = arena->next) {
log << "(" << reinterpret_cast<uintptr_t>(arena + 1) << ", " << arena->header.offset << "), ";
}
MOZ_CRASH_UNSAFE_OOL(log.str().c_str());
return false;
}
#endif
@ -157,7 +165,6 @@ private:
{
}
CorruptionCanary canary;
ArenaHeader header;
ArenaChunk* next;
@ -179,6 +186,15 @@ private:
size_t Available() const {
return header.tail - header.offset;
}
#ifdef MOZ_DIAGNOSTIC_ASSERT_ENABLED
bool DebugContains(void* aPtr)
{
uintptr_t ptr = reinterpret_cast<uintptr_t>(aPtr);
return ptr >= reinterpret_cast<uintptr_t>(this + 1) &&
ptr < header.offset;
}
#endif
};
/**