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#include <mbgl/text/cross_tile_symbol_index.hpp>
#include <mbgl/renderer/buckets/symbol_bucket.hpp>
#include <mbgl/test/util.hpp>
using namespace mbgl;
SymbolInstance makeSymbolInstance(float x, float y, std::u16string key) {
GeometryCoordinates line;
GlyphPositions positions;
const std::tuple<Shaping, Shaping, Shaping, Shaping> shaping(Shaping{}, Shaping{}, Shaping{}, Shaping{});
style::SymbolLayoutProperties::Evaluated layout_;
IndexedSubfeature subfeature(0, "", "", 0);
Anchor anchor(x, y, 0, 0);
return {anchor, line, shaping, {}, layout_, 0, 0, 0, style::SymbolPlacementType::Point, {{0, 0}}, 0, 0, {{0, 0}}, positions, subfeature, 0, 0, key, 0, 0};
}
TEST(CrossTileSymbolLayerIndex, addBucket) {
uint32_t maxCrossTileID = 0;
uint32_t maxBucketInstanceId = 0;
CrossTileSymbolLayerIndex index;
style::SymbolLayoutProperties::PossiblyEvaluated layout;
bool sdfIcons = false;
bool iconsNeedLinear = false;
bool sortFeaturesByY = false;
const float tilePixelRatio = 1.0f;
std::string bucketLeaderID = "test";
OverscaledTileID mainID(6, 0, 6, 8, 8);
std::vector<SymbolInstance> mainInstances;
mainInstances.push_back(makeSymbolInstance(1000, 1000, u"Detroit"));
mainInstances.push_back(makeSymbolInstance(2000, 2000, u"Toronto"));
SymbolBucket mainBucket { layout, {}, 16.0f, 1.0f, 0, sdfIcons, iconsNeedLinear, sortFeaturesByY, tilePixelRatio, bucketLeaderID, std::move(mainInstances) };
mainBucket.bucketInstanceId = ++maxBucketInstanceId;
index.addBucket(mainID, mainBucket, maxCrossTileID);
// Assigned new IDs
ASSERT_EQ(mainBucket.symbolInstances.at(0).crossTileID, 1u);
ASSERT_EQ(mainBucket.symbolInstances.at(1).crossTileID, 2u);
OverscaledTileID childID(7, 0, 7, 16, 16);
std::vector<SymbolInstance> childInstances;
childInstances.push_back(makeSymbolInstance(2000, 2000, u"Detroit"));
childInstances.push_back(makeSymbolInstance(2000, 2000, u"Windsor"));
childInstances.push_back(makeSymbolInstance(3000, 3000, u"Toronto"));
childInstances.push_back(makeSymbolInstance(4001, 4001, u"Toronto"));
SymbolBucket childBucket { layout, {}, 16.0f, 1.0f, 0, sdfIcons, iconsNeedLinear, sortFeaturesByY, tilePixelRatio, bucketLeaderID, std::move(childInstances) };
childBucket.bucketInstanceId = ++maxBucketInstanceId;
index.addBucket(childID, childBucket, maxCrossTileID);
// matched parent tile
ASSERT_EQ(childBucket.symbolInstances.at(0).crossTileID, 1u);
// does not match because of different key
ASSERT_EQ(childBucket.symbolInstances.at(1).crossTileID, 3u);
// does not match because of different location
ASSERT_EQ(childBucket.symbolInstances.at(2).crossTileID, 4u);
// matches with a slightly different location
ASSERT_EQ(childBucket.symbolInstances.at(3).crossTileID, 2u);
OverscaledTileID parentID(5, 0, 5, 4, 4);
std::vector<SymbolInstance> parentInstances;
parentInstances.push_back(makeSymbolInstance(500, 500, u"Detroit"));
SymbolBucket parentBucket { layout, {}, 16.0f, 1.0f, 0, sdfIcons, iconsNeedLinear, sortFeaturesByY,tilePixelRatio, bucketLeaderID, std::move(parentInstances) };
parentBucket.bucketInstanceId = ++maxBucketInstanceId;
index.addBucket(parentID, parentBucket, maxCrossTileID);
// matched child tile
ASSERT_EQ(parentBucket.symbolInstances.at(0).crossTileID, 1u);
std::unordered_set<uint32_t> currentIDs;
currentIDs.insert(mainBucket.bucketInstanceId);
index.removeStaleBuckets(currentIDs);
// grandchild
OverscaledTileID grandchildID(8, 0, 8, 32, 32);
std::vector<SymbolInstance> grandchildInstances;
grandchildInstances.push_back(makeSymbolInstance(4000, 4000, u"Detroit"));
grandchildInstances.push_back(makeSymbolInstance(4000, 4000, u"Windsor"));
SymbolBucket grandchildBucket { layout, {}, 16.0f, 1.0f, 0, sdfIcons, iconsNeedLinear, sortFeaturesByY,tilePixelRatio, bucketLeaderID, std::move(grandchildInstances) };
grandchildBucket.bucketInstanceId = ++maxBucketInstanceId;
index.addBucket(grandchildID, grandchildBucket, maxCrossTileID);
// Matches the symbol in `mainBucket`
ASSERT_EQ(grandchildBucket.symbolInstances.at(0).crossTileID, 1u);
// Does not match the previous value for Windsor because that tile was removed
ASSERT_EQ(grandchildBucket.symbolInstances.at(1).crossTileID, 5u);
}
TEST(CrossTileSymbolLayerIndex, resetIDs) {
uint32_t maxCrossTileID = 0;
uint32_t maxBucketInstanceId = 0;
CrossTileSymbolLayerIndex index;
style::SymbolLayoutProperties::PossiblyEvaluated layout;
bool sdfIcons = false;
bool iconsNeedLinear = false;
bool sortFeaturesByY = false;
const float tilePixelRatio = 1.0f;
std::string bucketLeaderID = "test";
OverscaledTileID mainID(6, 0, 6, 8, 8);
std::vector<SymbolInstance> mainInstances;
mainInstances.push_back(makeSymbolInstance(1000, 1000, u"Detroit"));
SymbolBucket mainBucket { layout, {}, 16.0f, 1.0f, 0, sdfIcons, iconsNeedLinear, sortFeaturesByY, tilePixelRatio, bucketLeaderID, std::move(mainInstances) };
mainBucket.bucketInstanceId = ++maxBucketInstanceId;
OverscaledTileID childID(7, 0, 7, 16, 16);
std::vector<SymbolInstance> childInstances;
childInstances.push_back(makeSymbolInstance(2000, 2000, u"Detroit"));
SymbolBucket childBucket { layout, {}, 16.0f, 1.0f, 0, sdfIcons, iconsNeedLinear, sortFeaturesByY, tilePixelRatio, bucketLeaderID, std::move(childInstances) };
childBucket.bucketInstanceId = ++maxBucketInstanceId;
// assigns a new id
index.addBucket(mainID, mainBucket, maxCrossTileID);
ASSERT_EQ(mainBucket.symbolInstances.at(0).crossTileID, 1u);
// removes the tile
std::unordered_set<uint32_t> currentIDs;
index.removeStaleBuckets(currentIDs);
// assigns a new id
index.addBucket(childID, childBucket, maxCrossTileID);
ASSERT_EQ(childBucket.symbolInstances.at(0).crossTileID, 2u);
// overwrites the old id to match the already-added tile
index.addBucket(mainID, mainBucket, maxCrossTileID);
ASSERT_EQ(mainBucket.symbolInstances.at(0).crossTileID, 2u);
}
TEST(CrossTileSymbolLayerIndex, noDuplicatesWithinZoomLevel) {
uint32_t maxCrossTileID = 0;
uint32_t maxBucketInstanceId = 0;
CrossTileSymbolLayerIndex index;
style::SymbolLayoutProperties::PossiblyEvaluated layout;
bool sdfIcons = false;
bool iconsNeedLinear = false;
bool sortFeaturesByY = false;
const float tilePixelRatio = 1.0f;
std::string bucketLeaderID = "test";
OverscaledTileID mainID(6, 0, 6, 8, 8);
std::vector<SymbolInstance> mainInstances;
mainInstances.push_back(makeSymbolInstance(1000, 1000, u"")); // A
mainInstances.push_back(makeSymbolInstance(1000, 1000, u"")); // B
SymbolBucket mainBucket { layout, {}, 16.0f, 1.0f, 0, sdfIcons, iconsNeedLinear, sortFeaturesByY, tilePixelRatio, bucketLeaderID, std::move(mainInstances) };
mainBucket.bucketInstanceId = ++maxBucketInstanceId;
OverscaledTileID childID(7, 0, 7, 16, 16);
std::vector<SymbolInstance> childInstances;
childInstances.push_back(makeSymbolInstance(2000, 2000, u"")); // A'
childInstances.push_back(makeSymbolInstance(2000, 2000, u"")); // B'
childInstances.push_back(makeSymbolInstance(2000, 2000, u"")); // C'
SymbolBucket childBucket { layout, {}, 16.0f, 1.0f, 0, sdfIcons, iconsNeedLinear, sortFeaturesByY, tilePixelRatio, bucketLeaderID, std::move(childInstances) };
childBucket.bucketInstanceId = ++maxBucketInstanceId;
// assigns new ids
index.addBucket(mainID, mainBucket, maxCrossTileID);
ASSERT_EQ(mainBucket.symbolInstances.at(0).crossTileID, 1u);
ASSERT_EQ(mainBucket.symbolInstances.at(1).crossTileID, 2u);
// copies parent ids without duplicate ids in this tile
index.addBucket(childID, childBucket, maxCrossTileID);
ASSERT_EQ(childBucket.symbolInstances.at(0).crossTileID, 1u); // A' copies from A
ASSERT_EQ(childBucket.symbolInstances.at(1).crossTileID, 2u); // B' copies from B
ASSERT_EQ(childBucket.symbolInstances.at(2).crossTileID, 3u); // C' gets new ID
}
TEST(CrossTileSymbolLayerIndex, bucketReplacement) {
uint32_t maxCrossTileID = 0;
uint32_t maxBucketInstanceId = 0;
CrossTileSymbolLayerIndex index;
style::SymbolLayoutProperties::PossiblyEvaluated layout;
bool sdfIcons = false;
bool iconsNeedLinear = false;
bool sortFeaturesByY = false;
const float tilePixelRatio = 1.0f;
std::string bucketLeaderID = "test";
OverscaledTileID tileID(6, 0, 6, 8, 8);
std::vector<SymbolInstance> firstInstances;
firstInstances.push_back(makeSymbolInstance(1000, 1000, u"")); // A
firstInstances.push_back(makeSymbolInstance(1000, 1000, u"")); // B
SymbolBucket firstBucket { layout, {}, 16.0f, 1.0f, 0, sdfIcons, iconsNeedLinear, sortFeaturesByY, tilePixelRatio, bucketLeaderID, std::move(firstInstances) };
firstBucket.bucketInstanceId = ++maxBucketInstanceId;
std::vector<SymbolInstance> secondInstances;
secondInstances.push_back(makeSymbolInstance(1000, 1000, u"")); // A'
secondInstances.push_back(makeSymbolInstance(1000, 1000, u"")); // B'
secondInstances.push_back(makeSymbolInstance(1000, 1000, u"")); // C'
SymbolBucket secondBucket { layout, {}, 16.0f, 1.0f, 0, sdfIcons, iconsNeedLinear, sortFeaturesByY, tilePixelRatio, bucketLeaderID, std::move(secondInstances) };
secondBucket.bucketInstanceId = ++maxBucketInstanceId;
// assigns new ids
index.addBucket(tileID, firstBucket, maxCrossTileID);
ASSERT_EQ(firstBucket.symbolInstances.at(0).crossTileID, 1u);
ASSERT_EQ(firstBucket.symbolInstances.at(1).crossTileID, 2u);
// copies parent ids without duplicate ids in this tile
index.addBucket(tileID, secondBucket, maxCrossTileID);
ASSERT_EQ(secondBucket.symbolInstances.at(0).crossTileID, 1u); // A' copies from A
ASSERT_EQ(secondBucket.symbolInstances.at(1).crossTileID, 2u); // B' copies from B
ASSERT_EQ(secondBucket.symbolInstances.at(2).crossTileID, 3u); // C' gets new ID
}
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