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Use emplace_hint for inserting render items

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This commit is contained in:
Mikhail Pozdnyakov
2019-04-12 14:56:09 +03:00
parent feaff9260e
commit 4bc79cf4ff
1 changed files with 3 additions and 3 deletions
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6
src/mbgl/renderer/renderer_impl.cpp
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@@ -236,10 +236,10 @@ void Renderer::Impl::render(const UpdateParameters& updateParameters) {
std::set<RenderItem> renderItems;
std::vector<const RenderLayerSymbolInterface*> renderItemsWithSymbols;
auto renderItemsEmplaceHint = renderItems.begin();
// Update all sources and initialize renderItems.
staticData->has3D = false;
for (const auto& sourceImpl : *sourceImpls) {
RenderSource* source = renderSources.at(sourceImpl->id).get();
std::vector<Immutable<Layer::Impl>> filteredLayersForSource;
@@ -263,7 +263,7 @@ void Renderer::Impl::render(const UpdateParameters& updateParameters) {
if (layerNeedsRendering) {
sourceNeedsRendering = true;
filteredLayersForSource.push_back(layerImpl);
renderItems.emplace(*layer, source, index);
renderItemsEmplaceHint = renderItems.emplace_hint(renderItemsEmplaceHint, *layer, source, index);
}
}
continue;
@@ -278,7 +278,7 @@ void Renderer::Impl::render(const UpdateParameters& updateParameters) {
continue; // This layer is shown with background color, and it shall not be added to render items.
}
}
renderItems.emplace(*layer, nullptr, index);
renderItemsEmplaceHint = renderItems.emplace_hint(renderItemsEmplaceHint, *layer, nullptr, index);
}
}
source->update(sourceImpl,