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Bug 1503046 - Part 1: Add simple hit test info diagnostics r=mattwoodrow

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Differential Revision: https://phabricator.services.mozilla.com/D10130
This commit is contained in:
Miko Mynttinen
2018-11-02 02:18:35 +00:00
parent d10bdd9403
commit 54d12acf3e
1 changed files with 62 additions and 0 deletions
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62
layout/base/nsLayoutUtils.cpp
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@@ -3509,6 +3509,62 @@ GetOrCreateRetainedDisplayListBuilder(nsIFrame* aFrame, bool aRetainingEnabled,
return retainedBuilder; return retainedBuilder;
} }
// #define PRINT_HITTESTINFO_STATS
#ifdef PRINT_HITTESTINFO_STATS
void
PrintHitTestInfoStatsInternal(nsDisplayList& aList,
int& aTotal,
int& aHitTest,
int& aVisible,
int& aSpecial)
{
for (nsDisplayItem* i = aList.GetBottom(); i; i = i->GetAbove()) {
aTotal++;
if (i->GetChildren()) {
PrintHitTestInfoStatsInternal(
*i->GetChildren(), aTotal, aHitTest, aVisible, aSpecial);
}
if (i->GetType() == DisplayItemType::TYPE_COMPOSITOR_HITTEST_INFO) {
aHitTest++;
const auto& hitTestInfo =
static_cast<nsDisplayHitTestInfoItem*>(i)->HitTestFlags();
if (hitTestInfo.size() > 1) {
aSpecial++;
continue;
}
if (hitTestInfo == CompositorHitTestVisibleToHit) {
aVisible++;
continue;
}
aSpecial++;
}
}
}
void
PrintHitTestInfoStats(nsDisplayList& aList)
{
int total = 0;
int hitTest = 0;
int visible = 0;
int special = 0;
PrintHitTestInfoStatsInternal(
aList, total, hitTest, visible, special);
double ratio = (double)hitTest / (double)total;
printf("List %p: total items: %d, hit test items: %d, ratio: %f, visible: %d, special: %d\n",
&aList, total, hitTest, ratio, visible, special);
}
#endif
nsresult nsresult
nsLayoutUtils::PaintFrame(gfxContext* aRenderingContext, nsIFrame* aFrame, nsLayoutUtils::PaintFrame(gfxContext* aRenderingContext, nsIFrame* aFrame,
const nsRegion& aDirtyRegion, nscolor aBackstop, const nsRegion& aDirtyRegion, nscolor aBackstop,
@@ -3907,6 +3963,12 @@ nsLayoutUtils::PaintFrame(gfxContext* aRenderingContext, nsIFrame* aFrame,
flags |= nsDisplayList::PAINT_IDENTICAL_DISPLAY_LIST; flags |= nsDisplayList::PAINT_IDENTICAL_DISPLAY_LIST;
} }
#ifdef PRINT_HITTESTINFO_STATS
if (XRE_IsContentProcess()) {
PrintHitTestInfoStats(list);
}
#endif
TimeStamp paintStart = TimeStamp::Now(); TimeStamp paintStart = TimeStamp::Now();
RefPtr<LayerManager> layerManager RefPtr<LayerManager> layerManager
= list.PaintRoot(&builder, aRenderingContext, flags); = list.PaintRoot(&builder, aRenderingContext, flags);