Files
MapLibreParticleLab/src/mbgl/annotation/render_annotation_source.cpp
Chris Loer a62745edf9 Port global symbol query from GL JS:
- Symbol querying is now global instead of per-tile
 - Symbols that bleed over tile boundaries no longer missed in queries
 - Symbol results now sorted based on rendering order (ie overlapping symbols change their sort order when a bearing change causes their render order to change)
 - Placement::retainedQueryData now responsible for maintaining symbol querying data for buckets that may no longer be in the TilePyramid.
2018-04-25 14:39:03 -07:00

84 lines
3.0 KiB
C++

#include <mbgl/annotation/render_annotation_source.hpp>
#include <mbgl/annotation/annotation_tile.hpp>
#include <mbgl/renderer/render_tile.hpp>
#include <mbgl/renderer/paint_parameters.hpp>
#include <mbgl/algorithm/generate_clip_ids.hpp>
#include <mbgl/algorithm/generate_clip_ids_impl.hpp>
namespace mbgl {
using namespace style;
RenderAnnotationSource::RenderAnnotationSource(Immutable<AnnotationSource::Impl> impl_)
: RenderSource(impl_) {
tilePyramid.setObserver(this);
}
const AnnotationSource::Impl& RenderAnnotationSource::impl() const {
return static_cast<const AnnotationSource::Impl&>(*baseImpl);
}
bool RenderAnnotationSource::isLoaded() const {
return tilePyramid.isLoaded();
}
void RenderAnnotationSource::update(Immutable<style::Source::Impl> baseImpl_,
const std::vector<Immutable<Layer::Impl>>& layers,
const bool needsRendering,
const bool needsRelayout,
const TileParameters& parameters) {
std::swap(baseImpl, baseImpl_);
enabled = needsRendering;
tilePyramid.update(layers,
needsRendering,
needsRelayout,
parameters,
SourceType::Annotations,
util::tileSize,
// Zoom level 16 is typically sufficient for annotations.
// See https://github.com/mapbox/mapbox-gl-native/issues/10197
{ 0, 16 },
optional<LatLngBounds> {},
[&] (const OverscaledTileID& tileID) {
return std::make_unique<AnnotationTile>(tileID, parameters);
});
}
void RenderAnnotationSource::startRender(PaintParameters& parameters) {
parameters.clipIDGenerator.update(tilePyramid.getRenderTiles());
tilePyramid.startRender(parameters);
}
void RenderAnnotationSource::finishRender(PaintParameters& parameters) {
tilePyramid.finishRender(parameters);
}
std::vector<std::reference_wrapper<RenderTile>> RenderAnnotationSource::getRenderTiles() {
return tilePyramid.getRenderTiles();
}
std::unordered_map<std::string, std::vector<Feature>>
RenderAnnotationSource::queryRenderedFeatures(const ScreenLineString& geometry,
const TransformState& transformState,
const std::vector<const RenderLayer*>& layers,
const RenderedQueryOptions& options) const {
return tilePyramid.queryRenderedFeatures(geometry, transformState, layers, options);
}
std::vector<Feature> RenderAnnotationSource::querySourceFeatures(const SourceQueryOptions&) const {
return {};
}
void RenderAnnotationSource::reduceMemoryUse() {
tilePyramid.reduceMemoryUse();
}
void RenderAnnotationSource::dumpDebugLogs() const {
tilePyramid.dumpDebugLogs();
}
} // namespace mbgl