void ContentLayerDelegate::paintContents(
WebDisplayItemList* webDisplayItemList, WebContentLayerClient::PaintingControlSetting paintingControl)
{
TRACE_EVENT0("blink,benchmark", "ContentLayerDelegate::paintContents");
PaintController& paintController = m_graphicsLayer->paintController();
paintController.setDisplayItemConstructionIsDisabled(
paintingControl == WebContentLayerClient::DisplayListConstructionDisabled);
paintController.setSubsequenceCachingIsDisabled(
paintingControl == WebContentLayerClient::SubsequenceCachingDisabled);
// We also disable caching when Painting or Construction are disabled. In both cases we would like
// to compare assuming the full cost of recording, not the cost of re-using cached content.
if (paintingControl != WebContentLayerClient::PaintDefaultBehavior
&& paintingControl != WebContentLayerClient::SubsequenceCachingDisabled)
paintController.invalidateAll();
GraphicsContext::DisabledMode disabledMode = GraphicsContext::NothingDisabled;
if (paintingControl == WebContentLayerClient::DisplayListPaintingDisabled
|| paintingControl == WebContentLayerClient::DisplayListConstructionDisabled)
disabledMode = GraphicsContext::FullyDisabled;
if (paintingControl != PaintDefaultBehavior)
m_graphicsLayer->paint(nullptr, disabledMode);
paintArtifactToWebDisplayItemList(webDisplayItemList, paintController.paintArtifact(), paintableRegion());
paintController.setDisplayItemConstructionIsDisabled(false);
paintController.setSubsequenceCachingIsDisabled(false);
}
void ContentLayerDelegate::paintContents(
WebDisplayItemList* webDisplayItemList, const WebRect& clip,
WebContentLayerClient::PaintingControlSetting paintingControl)
{
TRACE_EVENT1("blink,benchmark", "ContentLayerDelegate::paintContents", "clip_rect", toTracedValue(clip));
// TODO(pdr): Remove when slimming paint v2 is further along. This is only
// here so the browser is usable during development and does not crash due
// to committing the new display items twice.
if (RuntimeEnabledFeatures::slimmingPaintSynchronizedPaintingEnabled()) {
paintArtifactToWebDisplayItemList(webDisplayItemList, m_painter->paintController()->paintArtifact(), clip);
return;
}
PaintController* paintController = m_painter->paintController();
ASSERT(paintController);
paintController->setDisplayItemConstructionIsDisabled(
paintingControl == WebContentLayerClient::DisplayListConstructionDisabled);
// We also disable caching when Painting or Construction are disabled. In both cases we would like
// to compare assuming the full cost of recording, not the cost of re-using cached content.
if (paintingControl != WebContentLayerClient::PaintDefaultBehavior)
paintController->invalidateAll();
GraphicsContext::DisabledMode disabledMode = GraphicsContext::NothingDisabled;
if (paintingControl == WebContentLayerClient::DisplayListPaintingDisabled
|| paintingControl == WebContentLayerClient::DisplayListConstructionDisabled)
disabledMode = GraphicsContext::FullyDisabled;
GraphicsContext context(*paintController, disabledMode);
IntRect interestRect = clip;
m_painter->paint(context, &interestRect);
paintController->commitNewDisplayItems();
paintArtifactToWebDisplayItemList(webDisplayItemList, paintController->paintArtifact(), clip);
}
