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#include <mbgl/util/worker.hpp>
#include <mbgl/util/work_task.hpp>
#include <mbgl/util/work_request.hpp>
#include <mbgl/platform/platform.hpp>
#include <mbgl/map/vector_tile.hpp>
#include <mbgl/annotation/annotation_tile.hpp>
#include <mbgl/util/pbf.hpp>
#include <mbgl/renderer/raster_bucket.hpp>
#include <cassert>
#include <future>
namespace mbgl {
class Worker::Impl {
public:
Impl() = default;
void parseRasterTile(RasterBucket* bucket, const std::shared_ptr<const std::string> data, std::function<void (TileParseResult)> callback) {
std::unique_ptr<util::Image> image(new util::Image(*data));
if (!(*image)) {
callback(TileParseResult("error parsing raster image"));
}
if (!bucket->setImage(std::move(image))) {
callback(TileParseResult("error setting raster image to bucket"));
}
callback(TileParseResult(TileData::State::parsed));
}
void parseVectorTile(TileWorker* worker, const std::shared_ptr<const std::string> data, std::function<void (TileParseResult)> callback) {
try {
pbf tilePBF(reinterpret_cast<const unsigned char*>(data->data()), data->size());
callback(worker->parse(VectorTile(tilePBF)));
} catch (const std::exception& ex) {
callback(TileParseResult(ex.what()));
}
}
void parseLiveTile(TileWorker* worker, const AnnotationTile* tile, std::function<void (TileParseResult)> callback) {
try {
callback(worker->parse(*tile));
} catch (const std::exception& ex) {
callback(TileParseResult(ex.what()));
}
}
void redoPlacement(TileWorker* worker, float angle, float pitch, bool collisionDebug, std::function<void ()> callback) {
worker->redoPlacement(angle, pitch, collisionDebug);
callback();
}
};
Worker::Worker(std::size_t count) {
util::ThreadContext context = {"Worker", util::ThreadType::Worker, util::ThreadPriority::Low};
for (std::size_t i = 0; i < count; i++) {
threads.emplace_back(std::make_unique<util::Thread<Impl>>(context));
}
}
Worker::~Worker() = default;
std::unique_ptr<WorkRequest> Worker::parseRasterTile(RasterBucket& bucket, const std::shared_ptr<const std::string> data, std::function<void (TileParseResult)> callback) {
current = (current + 1) % threads.size();
return threads[current]->invokeWithCallback(&Worker::Impl::parseRasterTile, callback, &bucket, data);
}
std::unique_ptr<WorkRequest> Worker::parseVectorTile(TileWorker& worker, const std::shared_ptr<const std::string> data, std::function<void (TileParseResult)> callback) {
current = (current + 1) % threads.size();
return threads[current]->invokeWithCallback(&Worker::Impl::parseVectorTile, callback, &worker, data);
}
std::unique_ptr<WorkRequest> Worker::parseLiveTile(TileWorker& worker, const AnnotationTile& tile, std::function<void (TileParseResult)> callback) {
current = (current + 1) % threads.size();
return threads[current]->invokeWithCallback(&Worker::Impl::parseLiveTile, callback, &worker, &tile);
}
std::unique_ptr<WorkRequest> Worker::redoPlacement(TileWorker& worker, float angle, float pitch, bool collisionDebug, std::function<void ()> callback) {
current = (current + 1) % threads.size();
return threads[current]->invokeWithCallback(&Worker::Impl::redoPlacement, callback, &worker, angle, pitch, collisionDebug);
}
} // end namespace mbgl
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