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fixes #16

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This commit is contained in:
Petr Pokorny
2021-02-28 19:01:03 +01:00
parent fb8c02680b
commit 39e1c86ae9
2 changed files with 13 additions and 4 deletions
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3
src/mbgl/renderer/layers/render_symbol_layer.cpp
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@@ -424,7 +424,8 @@ void RenderSymbolLayer::render(PaintParameters& parameters) {
assert(bucket.paintProperties.find(getID()) != bucket.paintProperties.end());
const auto& bucketPaintProperties = bucket.paintProperties.at(getID());
bucket.justReloaded = false;
// Prevent a flickering issue when a symbol is moved.
// bucket.justReloaded = false;
auto addRenderables = [&renderableSegments, &tile, renderData, &bucketPaintProperties, it = renderableSegments.begin()] (auto& segments, const SymbolType type) mutable {
for (auto& segment : segments) {

12
src/mbgl/text/placement.cpp
View File

@@ -241,8 +241,15 @@ void Placement::placeSymbolBucket(const BucketPlacementData& params, std::set<ui
for (const SymbolInstance& symbol : getSortedSymbols(params, ctx.pixelRatio)) {
if (seenCrossTileIDs.count(symbol.crossTileID) != 0u) continue;
placeSymbol(symbol, ctx);
// Prevent a flickering issue while zooming out.
if (symbol.crossTileID != SymbolInstance::invalidCrossTileID() && !ctx.getRenderTile().holdForFade()) {
seenCrossTileIDs.insert(symbol.crossTileID);
}
}
// Prevent a flickering issue when a symbol is moved.
symbolBucket.justReloaded = false;
// As long as this placement lives, we have to hold onto this bucket's
// matching FeatureIndex/data for querying purposes
@@ -905,9 +912,10 @@ void Placement::updateBucketOpacities(SymbolBucket& bucket,
// But we have to wait for placement if we potentially depend on a paired icon/text
// with allow-overlap: false.
// See https://github.com/mapbox/mapbox-gl-native/issues/12483
// Prevent a flickering issue when showing a symbol allowing overlap.
const JointOpacityState defaultOpacityState(
textAllowOverlap && (iconAllowOverlap || !(bucket.hasIconData() || bucket.hasSdfIconData()) || bucket.layout->get<style::IconOptional>()),
iconAllowOverlap && (textAllowOverlap || !bucket.hasTextData() || bucket.layout->get<style::TextOptional>()),
bucket.justReloaded && textAllowOverlap && (iconAllowOverlap || !(bucket.hasIconData() || bucket.hasSdfIconData()) || bucket.layout->get<style::IconOptional>()),
bucket.justReloaded && iconAllowOverlap && (textAllowOverlap || !bucket.hasTextData() || bucket.layout->get<style::TextOptional>()),
true);
for (SymbolInstance& symbolInstance : bucket.symbolInstances) {