本文整理汇总了C++中LayerMetricsWrapper::Metadata方法的典型用法代码示例。如果您正苦于以下问题：C++ LayerMetricsWrapper::Metadata方法的具体用法？C++ LayerMetricsWrapper::Metadata怎么用？C++ LayerMetricsWrapper::Metadata使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类LayerMetricsWrapper的用法示例。
在下文中一共展示了LayerMetricsWrapper::Metadata方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: frame
void
LayerManagerComposite::Render(const nsIntRegion& aInvalidRegion, const nsIntRegion& aOpaqueRegion)
{
PROFILER_LABEL("LayerManagerComposite", "Render",
js::ProfileEntry::Category::GRAPHICS);
if (mDestroyed || !mCompositor || mCompositor->IsDestroyed()) {
NS_WARNING("Call on destroyed layer manager");
return;
}
ClearLayerFlags(mRoot);
// At this time, it doesn't really matter if these preferences change
// during the execution of the function; we should be safe in all
// permutations. However, may as well just get the values onces and
// then use them, just in case the consistency becomes important in
// the future.
bool invertVal = gfxPrefs::LayersEffectInvert();
bool grayscaleVal = gfxPrefs::LayersEffectGrayscale();
float contrastVal = gfxPrefs::LayersEffectContrast();
bool haveLayerEffects = (invertVal || grayscaleVal || contrastVal != 0.0);
// Set LayerScope begin/end frame
LayerScopeAutoFrame frame(PR_Now());
// Dump to console
if (gfxPrefs::LayersDump()) {
this->Dump(/* aSorted= */true);
} else if (profiler_feature_active("layersdump")) {
std::stringstream ss;
Dump(ss);
profiler_log(ss.str().c_str());
}
// Dump to LayerScope Viewer
if (LayerScope::CheckSendable()) {
// Create a LayersPacket, dump Layers into it and transfer the
// packet('s ownership) to LayerScope.
auto packet = MakeUnique<layerscope::Packet>();
layerscope::LayersPacket* layersPacket = packet->mutable_layers();
this->Dump(layersPacket);
LayerScope::SendLayerDump(Move(packet));
}
mozilla::widget::WidgetRenderingContext widgetContext;
#if defined(XP_MACOSX)
widgetContext.mLayerManager = this;
#elif defined(MOZ_WIDGET_ANDROID)
widgetContext.mCompositor = GetCompositor();
#endif
{
PROFILER_LABEL("LayerManagerComposite", "PreRender",
js::ProfileEntry::Category::GRAPHICS);
if (!mCompositor->GetWidget()->PreRender(&widgetContext)) {
return;
}
}
ParentLayerIntRect clipRect;
IntRect bounds(mRenderBounds.x, mRenderBounds.y, mRenderBounds.width, mRenderBounds.height);
IntRect actualBounds;
CompositorBench(mCompositor, bounds);
MOZ_ASSERT(mRoot->GetOpacity() == 1);
#if defined(MOZ_WIDGET_ANDROID)
LayerMetricsWrapper wrapper = GetRootContentLayer();
if (wrapper) {
mCompositor->SetClearColor(wrapper.Metadata().GetBackgroundColor());
} else {
mCompositor->SetClearColorToDefault();
}
#endif
if (mRoot->GetClipRect()) {
clipRect = *mRoot->GetClipRect();
IntRect rect(clipRect.x, clipRect.y, clipRect.width, clipRect.height);
mCompositor->BeginFrame(aInvalidRegion, &rect, bounds, aOpaqueRegion, nullptr, &actualBounds);
} else {
gfx::IntRect rect;
mCompositor->BeginFrame(aInvalidRegion, nullptr, bounds, aOpaqueRegion, &rect, &actualBounds);
clipRect = ParentLayerIntRect(rect.x, rect.y, rect.width, rect.height);
}
if (actualBounds.IsEmpty()) {
mCompositor->GetWidget()->PostRender(&widgetContext);
return;
}
// Allow widget to render a custom background.
mCompositor->GetWidget()->DrawWindowUnderlay(
&widgetContext, LayoutDeviceIntRect::FromUnknownRect(actualBounds));
RefPtr<CompositingRenderTarget> previousTarget;
if (haveLayerEffects) {
previousTarget = PushGroupForLayerEffects();
} else {
mTwoPassTmpTarget = nullptr;
//.........这里部分代码省略.........