diff options
Diffstat (limited to 'src/mbgl/renderer/tile_pyramid.cpp')
| -rw-r--r-- | src/mbgl/renderer/tile_pyramid.cpp | 57 |
1 files changed, 40 insertions, 17 deletions
diff --git a/src/mbgl/renderer/tile_pyramid.cpp b/src/mbgl/renderer/tile_pyramid.cpp index c9e3b0630a..c4372e7112 100644 --- a/src/mbgl/renderer/tile_pyramid.cpp +++ b/src/mbgl/renderer/tile_pyramid.cpp @@ -5,7 +5,6 @@ #include <mbgl/renderer/tile_parameters.hpp> #include <mbgl/renderer/query.hpp> #include <mbgl/map/transform.hpp> -#include <mbgl/text/placement_config.hpp> #include <mbgl/math/clamp.hpp> #include <mbgl/util/tile_cover.hpp> #include <mbgl/util/tile_range.hpp> @@ -57,6 +56,11 @@ 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(); +} + void TilePyramid::update(const std::vector<Immutable<style::Layer::Impl>>& layers, const bool needsRendering, const bool needsRelayout, @@ -97,20 +101,21 @@ void TilePyramid::update(const std::vector<Immutable<style::Layer::Impl>>& layer if (overscaledZoom >= zoomRange.min) { int32_t idealZoom = std::min<int32_t>(zoomRange.max, overscaledZoom); + // Make sure we're not reparsing overzoomed raster tiles. if (type == SourceType::Raster) { tileZoom = idealZoom; + } - // FIXME: Prefetching is only enabled for raster - // tiles until we fix #7026. - - // Request lower zoom level tiles (if configure to do so) in an attempt + // Only attempt prefetching in continuous mode. + if (parameters.mode == MapMode::Continuous) { + // Request lower zoom level tiles (if configured to do so) in an attempt // to show something on the screen faster at the cost of a little of bandwidth. if (parameters.prefetchZoomDelta) { panZoom = std::max<int32_t>(tileZoom - parameters.prefetchZoomDelta, zoomRange.min); } - if (panZoom < tileZoom) { + if (panZoom < idealZoom) { panTiles = util::tileCover(parameters.transformState, panZoom); } } @@ -123,6 +128,7 @@ void TilePyramid::update(const std::vector<Immutable<style::Layer::Impl>>& layer // use because they're still loading. In addition to that, we also need to retain all tiles that // we're actively using, e.g. as a replacement for tile that aren't loaded yet. std::set<OverscaledTileID> retain; + std::set<UnwrappedTileID> rendered; auto retainTileFn = [&](Tile& tile, TileNecessity necessity) -> void { if (retain.emplace(tile.id).second) { @@ -146,7 +152,7 @@ void TilePyramid::update(const std::vector<Immutable<style::Layer::Impl>>& layer if (tileRange && !tileRange->contains(tileID.canonical)) { return nullptr; } - std::unique_ptr<Tile> tile = cache.get(tileID); + std::unique_ptr<Tile> tile = cache.pop(tileID); if (!tile) { tile = createTile(tileID); if (tile) { @@ -159,8 +165,17 @@ void TilePyramid::update(const std::vector<Immutable<style::Layer::Impl>>& layer } 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 renderTileFn = [&](const UnwrappedTileID& tileID, Tile& tile) { renderTiles.emplace_back(tileID, tile); + rendered.emplace(tileID); + previouslyRenderedTiles.erase(tileID); // Still rendering this tile, no need for special fading logic. + tile.markRenderedIdeal(); }; renderTiles.clear(); @@ -172,6 +187,18 @@ void TilePyramid::update(const std::vector<Immutable<style::Layer::Impl>>& layer algorithm::updateRenderables(getTileFn, createTileFn, retainTileFn, renderTileFn, idealTiles, zoomRange, tileZoom); + + for (auto previouslyRenderedTile : previouslyRenderedTiles) { + Tile& tile = *previouslyRenderedTile.second; + tile.markRenderedPreviously(); + if (tile.holdForFade()) { + // Since it was rendered in the last frame, we know we have it + // Don't mark the tile "Required" to avoid triggering a new network request + retainTileFn(tile, TileNecessity::Optional); + renderTiles.emplace_back(previouslyRenderedTile.first, tile); + rendered.emplace(previouslyRenderedTile.first); + } + } if (type != SourceType::Annotations) { size_t conservativeCacheSize = @@ -204,20 +231,15 @@ void TilePyramid::update(const std::vector<Immutable<style::Layer::Impl>>& layer } for (auto& pair : tiles) { - const PlacementConfig config { parameters.transformState.getAngle(), - parameters.transformState.getPitch(), - parameters.transformState.getCameraToCenterDistance(), - parameters.transformState.getCameraToTileDistance(pair.first.toUnwrapped()), - parameters.debugOptions & MapDebugOptions::Collision }; - - pair.second->setPlacementConfig(config); + pair.second->setShowCollisionBoxes(parameters.debugOptions & MapDebugOptions::Collision); } } std::unordered_map<std::string, std::vector<Feature>> TilePyramid::queryRenderedFeatures(const ScreenLineString& geometry, const TransformState& transformState, const std::vector<const RenderLayer*>& layers, - const RenderedQueryOptions& options) const { + const RenderedQueryOptions& options, + const CollisionIndex& collisionIndex) const { std::unordered_map<std::string, std::vector<Feature>> result; if (renderTiles.empty() || geometry.empty()) { return result; @@ -260,7 +282,8 @@ std::unordered_map<std::string, std::vector<Feature>> TilePyramid::queryRendered tileSpaceQueryGeometry, transformState, layers, - options); + options, + collisionIndex); } return result; @@ -280,7 +303,7 @@ void TilePyramid::setCacheSize(size_t size) { cache.setSize(size); } -void TilePyramid::onLowMemory() { +void TilePyramid::reduceMemoryUse() { cache.clear(); } |