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-rw-r--r--src/mbgl/algorithm/update_tile_masks.hpp70
-rw-r--r--src/mbgl/renderer/render_tile.cpp2
-rw-r--r--src/mbgl/renderer/render_tile.hpp2
-rw-r--r--src/mbgl/renderer/sources/render_raster_dem_source.cpp6
-rw-r--r--src/mbgl/renderer/sources/render_raster_dem_source.hpp2
-rw-r--r--src/mbgl/renderer/sources/render_raster_source.cpp2
-rw-r--r--src/mbgl/renderer/sources/render_tile_source.cpp18
-rw-r--r--src/mbgl/renderer/sources/render_tile_source.hpp1
-rw-r--r--src/mbgl/renderer/tile_pyramid.cpp99
-rw-r--r--src/mbgl/renderer/tile_pyramid.hpp10
-rw-r--r--src/mbgl/tile/tile.hpp4
11 files changed, 101 insertions, 115 deletions
diff --git a/src/mbgl/algorithm/update_tile_masks.hpp b/src/mbgl/algorithm/update_tile_masks.hpp
index c475473cb6..80e0a39be1 100644
--- a/src/mbgl/algorithm/update_tile_masks.hpp
+++ b/src/mbgl/algorithm/update_tile_masks.hpp
@@ -11,26 +11,38 @@ namespace algorithm {
namespace {
-template <typename Renderable>
+template <typename T>
+bool tileNeedsMask(const std::reference_wrapper<T>& tile) { return tile.get().usedByRenderedLayers; }
+template <typename T>
+void setTileMask(const std::reference_wrapper<T>& tile, TileMask&& mask ) { return tile.get().setMask(std::move(mask)); }
+
+// Overloads for tests
+template <typename T> bool tileNeedsMask(const T& tile) { return tile.usedByRenderedLayers; }
+template <typename T> void setTileMask(T& tile, TileMask&& mask ) { return tile.setMask(std::move(mask)); }
+
+template <typename Iterator>
void computeTileMasks(
const CanonicalTileID& root,
- const UnwrappedTileID ref,
- typename std::vector<std::reference_wrapper<Renderable>>::const_iterator it,
- const typename std::vector<std::reference_wrapper<Renderable>>::const_iterator end,
+ const UnwrappedTileID& ref,
+ const Iterator begin,
+ const Iterator end,
TileMask& mask) {
// If the reference or any of its children is found in the list, we need to recurse.
- for (; it != end; ++it) {
- auto& renderable = it->get();
- if (!renderable.used) {
+ for (auto it = begin; it != end; ++it) {
+ const UnwrappedTileID& id = it->first;
+ if (!tileNeedsMask(it->second)) {
continue;
}
- if (ref == renderable.id) {
+
+ if (ref == id) {
// The current tile is masked out, so we don't need to add them to the mask set.
return;
- } else if (renderable.id.isChildOf(ref)) {
+ }
+
+ if (id.isChildOf(ref)) {
// There's at least one child tile that is masked out, so recursively descend.
for (const auto& child : ref.children()) {
- computeTileMasks<Renderable>(root, child, it, end, mask);
+ computeTileMasks(root, child, it, end, mask);
}
return;
}
@@ -45,10 +57,10 @@ void computeTileMasks(
} // namespace
-// Updates the TileMasks for all renderables. Renderables are objects that have an UnwrappedTileID
-// property indicating where they should be rendered on the screen. A TileMask describes all regions
-// within that tile that are *not* covered by other Renderables.
-// Example: Renderables in our list are 2/1/3, 3/3/6, and 4/5/13. The schematic for creating the
+// Updates the TileMasks for all renderable tiles. Each renderable tile has a corresponding UnwrappedTileID
+// indicating where it should be rendered on the screen. A TileMask describes all regions
+// within a renderable tile that are *not* covered by other renderable tiles.
+// Example: Renderable tiles in our list are 2/1/3, 3/3/6, and 4/5/13. The schematic for creating the
// TileMask for 2/1/3 looks like this:
//
// ┌────────┬────────┬─────────────────┐
@@ -70,7 +82,7 @@ void computeTileMasks(
// └─────────────────┴─────────────────┘
//
// The TileMask for 2/1/3 thus consists of the tiles 4/4/12, 4/5/12, 4/4/13, 3/2/7, and 3/3/7,
-// but it does *not* include 4/5/13, and 3/3/6, since these are other Renderables.
+// but it does *not* include 4/5/13, and 3/3/6, since these are other renderable tiles.
// A TileMask always contains TileIDs *relative* to the tile it is generated for, so 2/1/3 is
// "subtracted" from these TileIDs. The final TileMask for 2/1/3 will thus be:
//
@@ -92,21 +104,16 @@ void computeTileMasks(
// │ │ │
// └─────────────────┴─────────────────┘
//
-// Only other Renderables that are *children* of the Renderable we are generating the mask for will
-// be considered. For example, adding a Renderable with TileID 4/8/13 won't affect the TileMask for
+// Only other renderable tiles that are *children* of the renderable tile we are generating the mask for will
+// will be considered. For example, adding a renderable tile with TileID 4/8/13 won't affect the TileMask for
// 2/1/3, since it is not a descendant of it.
-//
-// The given |renderables| must be sorted by id.
-template <typename Renderable>
-void updateTileMasks(std::vector<std::reference_wrapper<Renderable>> renderables) {
- assert(std::is_sorted(renderables.begin(), renderables.end(),
- [](const Renderable& a, const Renderable& b) { return a.id < b.id; }));
-
+template <typename RenderableTilesMap>
+void updateTileMasks(RenderableTilesMap& renderables) {
TileMask mask;
const auto end = renderables.end();
- for (auto it = renderables.begin(); it != end; it++) {
- auto& renderable = it->get();
- if (!renderable.used) {
+ for (auto it = renderables.begin(); it != end; ++it) {
+ const UnwrappedTileID& id = it->first;
+ if (!tileNeedsMask(it->second)) {
continue;
}
// Try to add all remaining ids as children. We sorted the tile list
@@ -116,13 +123,12 @@ void updateTileMasks(std::vector<std::reference_wrapper<Renderable>> renderables
auto child_it = std::next(it);
const auto children_end = std::lower_bound(
child_it, end,
- UnwrappedTileID{ static_cast<int16_t>(renderable.id.wrap + 1), { 0, 0, 0 } },
- [](auto& a, auto& b) { return a.get().id < b; });
+ UnwrappedTileID{ static_cast<int16_t>(id.wrap + 1), { 0, 0, 0 } },
+ [](auto& a, auto& b) { return a.first < b; });
mask.clear();
- computeTileMasks<Renderable>(renderable.id.canonical, renderable.id, child_it, children_end,
- mask);
- renderable.setMask(std::move(mask));
+ computeTileMasks(id.canonical, id, child_it, children_end, mask);
+ setTileMask(it->second, std::move(mask));
}
}
diff --git a/src/mbgl/renderer/render_tile.cpp b/src/mbgl/renderer/render_tile.cpp
index b8fb4b2a11..f1f6a4ac45 100644
--- a/src/mbgl/renderer/render_tile.cpp
+++ b/src/mbgl/renderer/render_tile.cpp
@@ -130,7 +130,7 @@ void RenderTile::prepare(const SourcePrepareParameters& parameters) {
}
void RenderTile::finishRender(PaintParameters& parameters) {
- if (!used || parameters.debugOptions == MapDebugOptions::NoDebug)
+ if (!tile.usedByRenderedLayers || parameters.debugOptions == MapDebugOptions::NoDebug)
return;
static const style::Properties<>::PossiblyEvaluated properties {};
diff --git a/src/mbgl/renderer/render_tile.hpp b/src/mbgl/renderer/render_tile.hpp
index 6f78d2cd87..f0abb4150c 100644
--- a/src/mbgl/renderer/render_tile.hpp
+++ b/src/mbgl/renderer/render_tile.hpp
@@ -39,7 +39,6 @@ public:
UnwrappedTileID id;
mat4 matrix;
mat4 nearClippedMatrix;
- bool used = false;
// Contains the tile ID string for painting debug information.
std::unique_ptr<DebugBucket> debugBucket;
@@ -72,7 +71,6 @@ public:
const TransformState& state,
const bool inViewportPixelUnits) const;
private:
- friend class TilePyramid;
Tile& tile;
};
diff --git a/src/mbgl/renderer/sources/render_raster_dem_source.cpp b/src/mbgl/renderer/sources/render_raster_dem_source.cpp
index 3ec544a845..96e4e1d2cc 100644
--- a/src/mbgl/renderer/sources/render_raster_dem_source.cpp
+++ b/src/mbgl/renderer/sources/render_raster_dem_source.cpp
@@ -52,6 +52,7 @@ void RenderRasterDEMSource::update(Immutable<style::Source::Impl> baseImpl_,
[&] (const OverscaledTileID& tileID) {
return std::make_unique<RasterDEMTile>(tileID, parameters, *tileset);
});
+ algorithm::updateTileMasks(tilePyramid.getRenderTiles());
}
void RenderRasterDEMSource::onTileChanged(Tile& tile){
@@ -121,11 +122,6 @@ void RenderRasterDEMSource::onTileChanged(Tile& tile){
RenderTileSource::onTileChanged(tile);
}
-void RenderRasterDEMSource::prepare(const SourcePrepareParameters& parameters) {
- algorithm::updateTileMasks(tilePyramid.getRenderTiles());
- RenderTileSource::prepare(parameters);
-}
-
std::unordered_map<std::string, std::vector<Feature>>
RenderRasterDEMSource::queryRenderedFeatures(const ScreenLineString&,
const TransformState&,
diff --git a/src/mbgl/renderer/sources/render_raster_dem_source.hpp b/src/mbgl/renderer/sources/render_raster_dem_source.hpp
index dcec53e04a..d1e7f03e10 100644
--- a/src/mbgl/renderer/sources/render_raster_dem_source.hpp
+++ b/src/mbgl/renderer/sources/render_raster_dem_source.hpp
@@ -16,8 +16,6 @@ public:
bool needsRelayout,
const TileParameters&) final;
- void prepare(const SourcePrepareParameters&) override;
-
std::unordered_map<std::string, std::vector<Feature>>
queryRenderedFeatures(const ScreenLineString& geometry,
const TransformState& transformState,
diff --git a/src/mbgl/renderer/sources/render_raster_source.cpp b/src/mbgl/renderer/sources/render_raster_source.cpp
index 588009faa8..8b460de3f8 100644
--- a/src/mbgl/renderer/sources/render_raster_source.cpp
+++ b/src/mbgl/renderer/sources/render_raster_source.cpp
@@ -50,10 +50,10 @@ void RenderRasterSource::update(Immutable<style::Source::Impl> baseImpl_,
[&] (const OverscaledTileID& tileID) {
return std::make_unique<RasterTile>(tileID, parameters, *tileset);
});
+ algorithm::updateTileMasks(tilePyramid.getRenderTiles());
}
void RenderRasterSource::prepare(const SourcePrepareParameters& parameters) {
- algorithm::updateTileMasks(tilePyramid.getRenderTiles());
RenderTileSource::prepare(parameters);
}
diff --git a/src/mbgl/renderer/sources/render_tile_source.cpp b/src/mbgl/renderer/sources/render_tile_source.cpp
index a906945e4f..b1fa824e68 100644
--- a/src/mbgl/renderer/sources/render_tile_source.cpp
+++ b/src/mbgl/renderer/sources/render_tile_source.cpp
@@ -1,4 +1,6 @@
#include <mbgl/renderer/sources/render_tile_source.hpp>
+
+#include <mbgl/renderer/buckets/debug_bucket.hpp>
#include <mbgl/renderer/render_tile.hpp>
#include <mbgl/renderer/paint_parameters.hpp>
#include <mbgl/tile/vector_tile.hpp>
@@ -19,15 +21,23 @@ bool RenderTileSource::isLoaded() const {
}
void RenderTileSource::upload(gfx::UploadPass& parameters) {
- tilePyramid.upload(parameters);
+ for (auto& tile : renderTiles) {
+ tile.upload(parameters);
+ }
}
void RenderTileSource::prepare(const SourcePrepareParameters& parameters) {
- tilePyramid.prepare(parameters);
+ renderTiles.clear();
+ for (auto& entry : tilePyramid.getRenderTiles()) {
+ renderTiles.emplace_back(entry.first, entry.second);
+ renderTiles.back().prepare(parameters);
+ }
}
void RenderTileSource::finishRender(PaintParameters& parameters) {
- tilePyramid.finishRender(parameters);
+ for (auto& tile : renderTiles) {
+ tile.finishRender(parameters);
+ }
}
void RenderTileSource::updateFadingTiles() {
@@ -39,7 +49,7 @@ bool RenderTileSource::hasFadingTiles() const {
}
std::vector<std::reference_wrapper<RenderTile>> RenderTileSource::getRenderTiles() {
- return tilePyramid.getRenderTiles();
+ return { renderTiles.begin(), renderTiles.end() };
}
std::unordered_map<std::string, std::vector<Feature>>
diff --git a/src/mbgl/renderer/sources/render_tile_source.hpp b/src/mbgl/renderer/sources/render_tile_source.hpp
index c1a1f76242..a84c9fbbfe 100644
--- a/src/mbgl/renderer/sources/render_tile_source.hpp
+++ b/src/mbgl/renderer/sources/render_tile_source.hpp
@@ -39,6 +39,7 @@ public:
protected:
TilePyramid tilePyramid;
+ std::vector<RenderTile> renderTiles;
};
} // namespace mbgl
diff --git a/src/mbgl/renderer/tile_pyramid.cpp b/src/mbgl/renderer/tile_pyramid.cpp
index 4f095ed97d..81da42b526 100644
--- a/src/mbgl/renderer/tile_pyramid.cpp
+++ b/src/mbgl/renderer/tile_pyramid.cpp
@@ -1,5 +1,4 @@
#include <mbgl/renderer/tile_pyramid.hpp>
-#include <mbgl/renderer/render_tile.hpp>
#include <mbgl/renderer/paint_parameters.hpp>
#include <mbgl/renderer/render_source.hpp>
#include <mbgl/renderer/tile_parameters.hpp>
@@ -40,31 +39,9 @@ bool TilePyramid::isLoaded() const {
return true;
}
-void TilePyramid::upload(gfx::UploadPass& parameters) {
- for (auto& tile : renderTiles) {
- tile.upload(parameters);
- }
-}
-
-void TilePyramid::prepare(const SourcePrepareParameters& parameters) {
- for (auto& tile : renderTiles) {
- tile.prepare(parameters);
- }
-}
-
-void TilePyramid::finishRender(PaintParameters& parameters) {
- for (auto& tile : renderTiles) {
- tile.finishRender(parameters);
- }
-}
-
-std::vector<std::reference_wrapper<RenderTile>> TilePyramid::getRenderTiles() {
- return { renderTiles.begin(), renderTiles.end() };
-}
-
Tile* TilePyramid::getTile(const OverscaledTileID& tileID){
- auto it = tiles.find(tileID);
- return it == tiles.end() ? cache.get(tileID) : it->second.get();
+ auto it = tiles.find(tileID);
+ return it == tiles.end() ? cache.get(tileID) : it->second.get();
}
void TilePyramid::update(const std::vector<Immutable<style::LayerProperties>>& layers,
@@ -176,10 +153,7 @@ void TilePyramid::update(const std::vector<Immutable<style::LayerProperties>>& l
return tiles.emplace(tileID, std::move(tile)).first->second.get();
};
- std::map<UnwrappedTileID, Tile*> previouslyRenderedTiles;
- for (auto& renderTile : renderTiles) {
- previouslyRenderedTiles[renderTile.id] = &renderTile.tile;
- }
+ auto previouslyRenderedTiles = std::move(renderTiles);
auto renderTileFn = [&](const UnwrappedTileID& tileID, Tile& tile) {
addRenderTile(tileID, tile);
@@ -198,7 +172,7 @@ void TilePyramid::update(const std::vector<Immutable<style::LayerProperties>>& l
idealTiles, zoomRange, tileZoom);
for (auto previouslyRenderedTile : previouslyRenderedTiles) {
- Tile& tile = *previouslyRenderedTile.second;
+ Tile& tile = previouslyRenderedTile.second;
tile.markRenderedPreviously();
if (tile.holdForFade()) {
// Since it was rendered in the last frame, we know we have it
@@ -244,10 +218,11 @@ void TilePyramid::update(const std::vector<Immutable<style::LayerProperties>>& l
fadingTiles = false;
- // Initialize render tiles fields and update the tile contained layer render data.
- for (RenderTile& renderTile : renderTiles) {
- Tile& tile = renderTile.tile;
+ // Initialize renderable tiles and update the contained layer render data.
+ for (auto& entry : renderTiles) {
+ Tile& tile = entry.second;
assert(tile.isRenderable());
+ tile.usedByRenderedLayers = false;
const bool holdForFade = tile.holdForFade();
fadingTiles = (fadingTiles || holdForFade);
@@ -260,7 +235,7 @@ void TilePyramid::update(const std::vector<Immutable<style::LayerProperties>>& l
bool layerRenderableInTile = tile.isComplete() ? tile.updateLayerProperties(layerProperties)
: static_cast<bool>(tile.getBucket(*layerProperties->baseImpl));
if (layerRenderableInTile) {
- renderTile.used = true;
+ tile.usedByRenderedLayers = true;
}
}
}
@@ -290,6 +265,7 @@ void TilePyramid::handleWrapJump(float lng) {
if (wrapDelta) {
std::map<OverscaledTileID, std::unique_ptr<Tile>> newTiles;
+ std::map<UnwrappedTileID, std::reference_wrapper<Tile>> newRenderTiles;
for (auto& tile : tiles) {
auto newID = tile.second->id.unwrapTo(tile.second->id.wrap + wrapDelta);
tile.second->id = newID;
@@ -297,9 +273,11 @@ void TilePyramid::handleWrapJump(float lng) {
}
tiles = std::move(newTiles);
- for (auto& renderTile : renderTiles) {
- renderTile.id = renderTile.id.unwrapTo(renderTile.id.wrap + wrapDelta);
+ for (auto& tile : renderTiles) {
+ UnwrappedTileID newID = tile.first.unwrapTo(tile.first.wrap + wrapDelta);
+ newRenderTiles.emplace(newID, tile.second);
}
+ renderTiles = std::move(newRenderTiles);
}
}
@@ -322,26 +300,29 @@ std::unordered_map<std::string, std::vector<Feature>> TilePyramid::queryRendered
}
mapbox::geometry::box<double> box = mapbox::geometry::envelope(queryGeometry);
- // TODO: Find out why we need a special sorting algorithm here.
- std::vector<std::reference_wrapper<const RenderTile>> sortedTiles{ renderTiles.begin(),
- renderTiles.end() };
- std::sort(sortedTiles.begin(), sortedTiles.end(), [](const RenderTile& a, const RenderTile& b) {
- return std::tie(a.id.canonical.z, a.id.canonical.y, a.id.wrap, a.id.canonical.x) <
- std::tie(b.id.canonical.z, b.id.canonical.y, b.id.wrap, b.id.canonical.x);
- });
+
+ auto cmp = [](const UnwrappedTileID& a, const UnwrappedTileID& b) {
+ return std::tie(a.canonical.z, a.canonical.y, a.wrap, a.canonical.x) <
+ std::tie(b.canonical.z, b.canonical.y, b.wrap, b.canonical.x);
+ };
+
+ std::map<UnwrappedTileID, std::reference_wrapper<Tile>, decltype(cmp)> sortedTiles{renderTiles.begin(), renderTiles.end(), cmp};
auto maxPitchScaleFactor = transformState.maxPitchScaleFactor();
- for (const RenderTile& renderTile : sortedTiles) {
- const float scale = std::pow(2, transformState.getZoom() - renderTile.id.canonical.z);
- auto queryPadding = maxPitchScaleFactor * renderTile.tile.getQueryPadding(layers) * util::EXTENT / util::tileSize / scale;
+ for (const auto& entry : sortedTiles) {
+ const UnwrappedTileID& id = entry.first;
+ Tile& tile = entry.second;
+
+ const float scale = std::pow(2, transformState.getZoom() - id.canonical.z);
+ auto queryPadding = maxPitchScaleFactor * tile.getQueryPadding(layers) * util::EXTENT / util::tileSize / scale;
- GeometryCoordinate tileSpaceBoundsMin = TileCoordinate::toGeometryCoordinate(renderTile.id, box.min);
+ GeometryCoordinate tileSpaceBoundsMin = TileCoordinate::toGeometryCoordinate(id, box.min);
if (tileSpaceBoundsMin.x - queryPadding >= util::EXTENT || tileSpaceBoundsMin.y - queryPadding >= util::EXTENT) {
continue;
}
- GeometryCoordinate tileSpaceBoundsMax = TileCoordinate::toGeometryCoordinate(renderTile.id, box.max);
+ GeometryCoordinate tileSpaceBoundsMax = TileCoordinate::toGeometryCoordinate(id, box.max);
if (tileSpaceBoundsMax.x + queryPadding < 0 || tileSpaceBoundsMax.y + queryPadding < 0) {
continue;
}
@@ -349,15 +330,15 @@ std::unordered_map<std::string, std::vector<Feature>> TilePyramid::queryRendered
GeometryCoordinates tileSpaceQueryGeometry;
tileSpaceQueryGeometry.reserve(queryGeometry.size());
for (const auto& c : queryGeometry) {
- tileSpaceQueryGeometry.push_back(TileCoordinate::toGeometryCoordinate(renderTile.id, c));
+ tileSpaceQueryGeometry.push_back(TileCoordinate::toGeometryCoordinate(id, c));
}
- renderTile.tile.queryRenderedFeatures(result,
- tileSpaceQueryGeometry,
- transformState,
- layers,
- options,
- projMatrix);
+ tile.queryRenderedFeatures(result,
+ tileSpaceQueryGeometry,
+ transformState,
+ layers,
+ options,
+ projMatrix);
}
return result;
@@ -399,14 +380,12 @@ void TilePyramid::clearAll() {
void TilePyramid::addRenderTile(const UnwrappedTileID& tileID, Tile& tile) {
assert(tile.isRenderable());
- auto it = std::lower_bound(renderTiles.begin(), renderTiles.end(), tileID,
- [](const RenderTile& a, const UnwrappedTileID& id) { return a.id < id; });
- renderTiles.emplace(it, tileID, tile);
+ renderTiles.emplace(tileID, tile);
}
void TilePyramid::updateFadingTiles() {
- for (auto& renderTile : renderTiles) {
- Tile& tile = renderTile.tile;
+ for (auto& entry : renderTiles) {
+ Tile& tile = entry.second;
if (tile.holdForFade()) {
tile.performedFadePlacement();
}
diff --git a/src/mbgl/renderer/tile_pyramid.hpp b/src/mbgl/renderer/tile_pyramid.hpp
index 5f5492ede4..2c2c43c347 100644
--- a/src/mbgl/renderer/tile_pyramid.hpp
+++ b/src/mbgl/renderer/tile_pyramid.hpp
@@ -20,7 +20,6 @@ namespace mbgl {
class PaintParameters;
class TransformState;
-class RenderTile;
class RenderLayer;
class RenderedQueryOptions;
class SourceQueryOptions;
@@ -44,11 +43,7 @@ public:
optional<LatLngBounds> bounds,
std::function<std::unique_ptr<Tile> (const OverscaledTileID&)> createTile);
- void upload(gfx::UploadPass&);
- void prepare(const SourcePrepareParameters&);
- void finishRender(PaintParameters&);
-
- std::vector<std::reference_wrapper<RenderTile>> getRenderTiles();
+ const std::map<UnwrappedTileID, std::reference_wrapper<Tile>>& getRenderTiles() const { return renderTiles; }
Tile* getTile(const OverscaledTileID&);
void handleWrapJump(float lng);
@@ -80,8 +75,7 @@ private:
std::map<OverscaledTileID, std::unique_ptr<Tile>> tiles;
TileCache cache;
- std::list<RenderTile> renderTiles;
-
+ std::map<UnwrappedTileID, std::reference_wrapper<Tile>> renderTiles; // Sorted by tile id.
TileObserver* observer = nullptr;
float prevLng = 0;
diff --git a/src/mbgl/tile/tile.hpp b/src/mbgl/tile/tile.hpp
index 1bb38f5c96..95ee0bc37e 100644
--- a/src/mbgl/tile/tile.hpp
+++ b/src/mbgl/tile/tile.hpp
@@ -131,6 +131,9 @@ public:
OverscaledTileID id;
optional<Timestamp> modified;
optional<Timestamp> expires;
+ // Indicates whether this tile is used for the currently visible layers on the map.
+ // Re-initialized at every source update.
+ bool usedByRenderedLayers = false;
protected:
bool triedOptional = false;
@@ -138,6 +141,7 @@ protected:
bool pending = false;
bool loaded = false;
+
TileObserver* observer = nullptr;
};
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