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Diffstat (limited to 'src/mbgl/renderer/renderer_impl.cpp')
| -rw-r--r-- | src/mbgl/renderer/renderer_impl.cpp | 815 |
1 files changed, 815 insertions, 0 deletions
diff --git a/src/mbgl/renderer/renderer_impl.cpp b/src/mbgl/renderer/renderer_impl.cpp new file mode 100644 index 0000000000..4bed0e251b --- /dev/null +++ b/src/mbgl/renderer/renderer_impl.cpp @@ -0,0 +1,815 @@ +#include <mbgl/annotation/annotation_manager.hpp> +#include <mbgl/renderer/renderer_impl.hpp> +#include <mbgl/renderer/renderer_backend.hpp> +#include <mbgl/renderer/renderer_observer.hpp> +#include <mbgl/renderer/render_source.hpp> +#include <mbgl/renderer/render_layer.hpp> +#include <mbgl/renderer/render_static_data.hpp> +#include <mbgl/renderer/update_parameters.hpp> +#include <mbgl/renderer/paint_parameters.hpp> +#include <mbgl/renderer/transition_parameters.hpp> +#include <mbgl/renderer/property_evaluation_parameters.hpp> +#include <mbgl/renderer/tile_parameters.hpp> +#include <mbgl/renderer/render_tile.hpp> +#include <mbgl/renderer/layers/render_background_layer.hpp> +#include <mbgl/renderer/layers/render_custom_layer.hpp> +#include <mbgl/renderer/layers/render_fill_extrusion_layer.hpp> +#include <mbgl/renderer/style_diff.hpp> +#include <mbgl/renderer/query.hpp> +#include <mbgl/renderer/backend_scope.hpp> +#include <mbgl/renderer/image_manager.hpp> +#include <mbgl/gl/debugging.hpp> +#include <mbgl/geometry/line_atlas.hpp> +#include <mbgl/style/source_impl.hpp> +#include <mbgl/style/transition_options.hpp> +#include <mbgl/text/glyph_manager.hpp> +#include <mbgl/tile/tile.hpp> +#include <mbgl/util/math.hpp> +#include <mbgl/util/string.hpp> +#include <mbgl/util/logging.hpp> + +namespace mbgl { + +using namespace style; + +static RendererObserver& nullObserver() { + static RendererObserver observer; + return observer; +} + +Renderer::Impl::Impl(RendererBackend& backend_, + float pixelRatio_, + FileSource& fileSource_, + Scheduler& scheduler_, + GLContextMode contextMode_, + const optional<std::string> programCacheDir_, + const optional<std::string> localFontFamily_) + : backend(backend_) + , scheduler(scheduler_) + , fileSource(fileSource_) + , observer(&nullObserver()) + , contextMode(contextMode_) + , pixelRatio(pixelRatio_) + , programCacheDir(programCacheDir_) + , glyphManager(std::make_unique<GlyphManager>(fileSource, std::make_unique<LocalGlyphRasterizer>(localFontFamily_))) + , imageManager(std::make_unique<ImageManager>()) + , lineAtlas(std::make_unique<LineAtlas>(Size{ 256, 512 })) + , imageImpls(makeMutable<std::vector<Immutable<style::Image::Impl>>>()) + , sourceImpls(makeMutable<std::vector<Immutable<style::Source::Impl>>>()) + , layerImpls(makeMutable<std::vector<Immutable<style::Layer::Impl>>>()) + , renderLight(makeMutable<Light::Impl>()) + , placement(std::make_unique<Placement>(TransformState{}, MapMode::Static)) { + glyphManager->setObserver(this); +} + +Renderer::Impl::~Impl() { + assert(BackendScope::exists()); + + if (contextLost) { + // Signal all RenderCustomLayers that the context was lost + // before cleaning up + for (const auto& entry : renderLayers) { + RenderLayer& layer = *entry.second; + if (layer.is<RenderCustomLayer>()) { + layer.as<RenderCustomLayer>()->markContextDestroyed(); + } + } + } +}; + +void Renderer::Impl::setObserver(RendererObserver* observer_) { + observer = observer_ ? observer_ : &nullObserver(); +} + +void Renderer::Impl::render(const UpdateParameters& updateParameters) { + if (updateParameters.mode != MapMode::Continuous) { + // Don't load/render anyting in still mode until explicitly requested. + if (!updateParameters.stillImageRequest) { + return; + } + + // Reset zoom history state. + zoomHistory.first = true; + } + + assert(BackendScope::exists()); + + updateParameters.annotationManager.updateData(); + + const bool zoomChanged = zoomHistory.update(updateParameters.transformState.getZoom(), updateParameters.timePoint); + + const TransitionParameters transitionParameters { + updateParameters.timePoint, + updateParameters.mode == MapMode::Continuous ? updateParameters.transitionOptions : TransitionOptions() + }; + + const PropertyEvaluationParameters evaluationParameters { + zoomHistory, + updateParameters.timePoint, + updateParameters.mode == MapMode::Continuous ? util::DEFAULT_TRANSITION_DURATION : Duration::zero() + }; + + const TileParameters tileParameters { + updateParameters.pixelRatio, + updateParameters.debugOptions, + updateParameters.transformState, + scheduler, + fileSource, + updateParameters.mode, + updateParameters.annotationManager, + *imageManager, + *glyphManager, + updateParameters.prefetchZoomDelta + }; + + glyphManager->setURL(updateParameters.glyphURL); + + // Update light. + const bool lightChanged = renderLight.impl != updateParameters.light; + + if (lightChanged) { + renderLight.impl = updateParameters.light; + renderLight.transition(transitionParameters); + } + + if (lightChanged || zoomChanged || renderLight.hasTransition()) { + renderLight.evaluate(evaluationParameters); + } + + + const ImageDifference imageDiff = diffImages(imageImpls, updateParameters.images); + imageImpls = updateParameters.images; + + // Remove removed images from sprite atlas. + for (const auto& entry : imageDiff.removed) { + imageManager->removeImage(entry.first); + } + + // Add added images to sprite atlas. + for (const auto& entry : imageDiff.added) { + imageManager->addImage(entry.second); + } + + // Update changed images. + for (const auto& entry : imageDiff.changed) { + imageManager->updateImage(entry.second.after); + } + + imageManager->setLoaded(updateParameters.spriteLoaded); + + + const LayerDifference layerDiff = diffLayers(layerImpls, updateParameters.layers); + layerImpls = updateParameters.layers; + + // Remove render layers for removed layers. + for (const auto& entry : layerDiff.removed) { + renderLayers.erase(entry.first); + } + + // Create render layers for newly added layers. + for (const auto& entry : layerDiff.added) { + renderLayers.emplace(entry.first, RenderLayer::create(entry.second)); + } + + // Update render layers for changed layers. + for (const auto& entry : layerDiff.changed) { + renderLayers.at(entry.first)->setImpl(entry.second.after); + } + + // Update layers for class and zoom changes. + for (const auto& entry : renderLayers) { + RenderLayer& layer = *entry.second; + const bool layerAdded = layerDiff.added.count(entry.first); + const bool layerChanged = layerDiff.changed.count(entry.first); + + if (layerAdded || layerChanged) { + layer.transition(transitionParameters); + } + + if (layerAdded || layerChanged || zoomChanged || layer.hasTransition()) { + layer.evaluate(evaluationParameters); + } + } + + + const SourceDifference sourceDiff = diffSources(sourceImpls, updateParameters.sources); + sourceImpls = updateParameters.sources; + + // Remove render layers for removed sources. + for (const auto& entry : sourceDiff.removed) { + renderSources.erase(entry.first); + } + + // Create render sources for newly added sources. + for (const auto& entry : sourceDiff.added) { + std::unique_ptr<RenderSource> renderSource = RenderSource::create(entry.second); + renderSource->setObserver(this); + renderSources.emplace(entry.first, std::move(renderSource)); + } + + const bool hasImageDiff = !(imageDiff.added.empty() && imageDiff.removed.empty() && imageDiff.changed.empty()); + + // Update all sources. + for (const auto& source : *sourceImpls) { + std::vector<Immutable<Layer::Impl>> filteredLayers; + bool needsRendering = false; + bool needsRelayout = false; + + for (const auto& layer : *layerImpls) { + if (layer->type == LayerType::Background || + layer->type == LayerType::Custom || + layer->source != source->id) { + continue; + } + + if (!needsRendering && getRenderLayer(layer->id)->needsRendering(zoomHistory.lastZoom)) { + needsRendering = true; + } + + if (!needsRelayout && (hasImageDiff || hasLayoutDifference(layerDiff, layer->id))) { + needsRelayout = true; + } + + filteredLayers.push_back(layer); + } + + renderSources.at(source->id)->update(source, + filteredLayers, + needsRendering, + needsRelayout, + tileParameters); + } + + transformState = updateParameters.transformState; + + if (!staticData) { + staticData = std::make_unique<RenderStaticData>(backend.getContext(), pixelRatio, programCacheDir); + } + + PaintParameters parameters { + backend.getContext(), + pixelRatio, + contextMode, + backend, + updateParameters, + renderLight.getEvaluated(), + *staticData, + *imageManager, + *lineAtlas + }; + + bool loaded = updateParameters.styleLoaded && isLoaded(); + if (updateParameters.mode != MapMode::Continuous && !loaded) { + return; + } + + if (renderState == RenderState::Never) { + observer->onWillStartRenderingMap(); + } + + observer->onWillStartRenderingFrame(); + + backend.updateAssumedState(); + + if (parameters.contextMode == GLContextMode::Shared) { + parameters.context.setDirtyState(); + } + + Color backgroundColor; + + class RenderItem { + public: + RenderLayer& layer; + RenderSource* source; + }; + + std::vector<RenderItem> order; + + for (auto& layerImpl : *layerImpls) { + RenderLayer* layer = getRenderLayer(layerImpl->id); + assert(layer); + + if (!parameters.staticData.has3D && layer->is<RenderFillExtrusionLayer>()) { + parameters.staticData.has3D = true; + } + + if (!layer->needsRendering(zoomHistory.lastZoom)) { + continue; + } + + if (const RenderBackgroundLayer* background = layer->as<RenderBackgroundLayer>()) { + const BackgroundPaintProperties::PossiblyEvaluated& paint = background->evaluated; + if (parameters.contextMode == GLContextMode::Unique + && layerImpl.get() == layerImpls->at(0).get() + && paint.get<BackgroundPattern>().from.empty()) { + // This is a solid background. We can use glClear(). + backgroundColor = paint.get<BackgroundColor>() * paint.get<BackgroundOpacity>(); + } else { + // This is a textured background, or not the bottommost layer. We need to render it with a quad. + order.emplace_back(RenderItem { *layer, nullptr }); + } + continue; + } + + if (layer->is<RenderCustomLayer>()) { + order.emplace_back(RenderItem { *layer, nullptr }); + continue; + } + + RenderSource* source = getRenderSource(layer->baseImpl->source); + if (!source) { + Log::Warning(Event::Render, "can't find source for layer '%s'", layer->getID().c_str()); + continue; + } + + const bool symbolLayer = layer->is<RenderSymbolLayer>(); + + auto sortedTiles = source->getRenderTiles(); + if (symbolLayer) { + // Sort symbol tiles in opposite y position, so tiles with overlapping symbols are drawn + // on top of each other, with lower symbols being drawn on top of higher symbols. + std::sort(sortedTiles.begin(), sortedTiles.end(), [&](const RenderTile& a, const RenderTile& b) { + Point<float> pa(a.id.canonical.x, a.id.canonical.y); + Point<float> pb(b.id.canonical.x, b.id.canonical.y); + + auto par = util::rotate(pa, parameters.state.getAngle()); + auto pbr = util::rotate(pb, parameters.state.getAngle()); + + return std::tie(b.id.canonical.z, par.y, par.x) < std::tie(a.id.canonical.z, pbr.y, pbr.x); + }); + } else { + std::sort(sortedTiles.begin(), sortedTiles.end(), + [](const auto& a, const auto& b) { return a.get().id < b.get().id; }); + // Don't render non-symbol layers for tiles that we're only holding on to for symbol fading + sortedTiles.erase(std::remove_if(sortedTiles.begin(), sortedTiles.end(), + [](const auto& tile) { return tile.get().tile.holdForFade(); }), + sortedTiles.end()); + } + + std::vector<std::reference_wrapper<RenderTile>> sortedTilesForInsertion; + for (auto& sortedTile : sortedTiles) { + auto& tile = sortedTile.get(); + if (!tile.tile.isRenderable()) { + continue; + } + + auto bucket = tile.tile.getBucket(*layer->baseImpl); + if (bucket) { + sortedTilesForInsertion.emplace_back(tile); + tile.used = true; + + // We only need clipping when we're _not_ drawing a symbol layer. + if (!symbolLayer) { + tile.needsClipping = true; + } + } + } + layer->setRenderTiles(std::move(sortedTilesForInsertion)); + order.emplace_back(RenderItem { *layer, source }); + } + + bool symbolBucketsChanged = false; + if (parameters.mapMode != MapMode::Continuous) { + // TODO: Think about right way for symbol index to handle still rendering + crossTileSymbolIndex.reset(); + } + for (auto it = order.rbegin(); it != order.rend(); ++it) { + if (it->layer.is<RenderSymbolLayer>()) { + if (crossTileSymbolIndex.addLayer(*it->layer.as<RenderSymbolLayer>())) symbolBucketsChanged = true; + } + } + + bool placementChanged = false; + if (!placement->stillRecent(parameters.timePoint)) { + auto newPlacement = std::make_unique<Placement>(parameters.state, parameters.mapMode); + for (auto it = order.rbegin(); it != order.rend(); ++it) { + if (it->layer.is<RenderSymbolLayer>()) { + newPlacement->placeLayer(*it->layer.as<RenderSymbolLayer>(), parameters.projMatrix, parameters.debugOptions & MapDebugOptions::Collision); + } + } + + placementChanged = newPlacement->commit(*placement, parameters.timePoint); + if (placementChanged || symbolBucketsChanged) { + placement = std::move(newPlacement); + } + + placement->setRecent(parameters.timePoint); + + updateFadingTiles(); + } else { + placement->setStale(); + } + + parameters.symbolFadeChange = placement->symbolFadeChange(parameters.timePoint); + + if (placementChanged || symbolBucketsChanged) { + for (auto it = order.rbegin(); it != order.rend(); ++it) { + if (it->layer.is<RenderSymbolLayer>()) { + placement->updateLayerOpacities(*it->layer.as<RenderSymbolLayer>()); + } + } + } + + // - UPLOAD PASS ------------------------------------------------------------------------------- + // Uploads all required buffers and images before we do any actual rendering. + { + MBGL_DEBUG_GROUP(parameters.context, "upload"); + + parameters.imageManager.upload(parameters.context, 0); + parameters.lineAtlas.upload(parameters.context, 0); + + // Update all clipping IDs + upload buckets. + for (const auto& entry : renderSources) { + if (entry.second->isEnabled()) { + entry.second->startRender(parameters); + } + } + } + + // - 3D PASS ------------------------------------------------------------------------------------- + // Renders any 3D layers bottom-to-top to unique FBOs with texture attachments, but share the same + // depth rbo between them. + if (parameters.staticData.has3D) { + parameters.staticData.backendSize = parameters.backend.getFramebufferSize(); + + MBGL_DEBUG_GROUP(parameters.context, "3d"); + parameters.pass = RenderPass::Pass3D; + + if (!parameters.staticData.depthRenderbuffer || + parameters.staticData.depthRenderbuffer->size != parameters.staticData.backendSize) { + parameters.staticData.depthRenderbuffer = + parameters.context.createRenderbuffer<gl::RenderbufferType::DepthComponent>(parameters.staticData.backendSize); + } + parameters.staticData.depthRenderbuffer->shouldClear(true); + + uint32_t i = static_cast<uint32_t>(order.size()) - 1; + for (auto it = order.begin(); it != order.end(); ++it, --i) { + parameters.currentLayer = i; + if (it->layer.hasRenderPass(parameters.pass)) { + MBGL_DEBUG_GROUP(parameters.context, it->layer.getID()); + it->layer.render(parameters, it->source); + } + } + } + + // - CLEAR ------------------------------------------------------------------------------------- + // Renders the backdrop of the OpenGL view. This also paints in areas where we don't have any + // tiles whatsoever. + { + using namespace gl::value; + + MBGL_DEBUG_GROUP(parameters.context, "clear"); + parameters.backend.bind(); + if (parameters.debugOptions & MapDebugOptions::Overdraw) { + parameters.context.clear(Color::black(), ClearDepth::Default, ClearStencil::Default); + } else if (parameters.contextMode == GLContextMode::Shared) { + parameters.context.clear({}, ClearDepth::Default, ClearStencil::Default); + } else { + parameters.context.clear(backgroundColor, ClearDepth::Default, ClearStencil::Default); + } + } + + // - CLIPPING MASKS ---------------------------------------------------------------------------- + // Draws the clipping masks to the stencil buffer. + { + MBGL_DEBUG_GROUP(parameters.context, "clipping masks"); + + static const style::FillPaintProperties::PossiblyEvaluated properties {}; + static const FillProgram::PaintPropertyBinders paintAttibuteData(properties, 0); + + for (const auto& clipID : parameters.clipIDGenerator.getClipIDs()) { + parameters.staticData.programs.fill.get(properties).draw( + parameters.context, + gl::Triangles(), + gl::DepthMode::disabled(), + gl::StencilMode { + gl::StencilMode::Always(), + static_cast<int32_t>(clipID.second.reference.to_ulong()), + 0b11111111, + gl::StencilMode::Keep, + gl::StencilMode::Keep, + gl::StencilMode::Replace + }, + gl::ColorMode::disabled(), + FillProgram::UniformValues { + uniforms::u_matrix::Value{ parameters.matrixForTile(clipID.first) }, + uniforms::u_world::Value{ parameters.context.viewport.getCurrentValue().size }, + }, + parameters.staticData.tileVertexBuffer, + parameters.staticData.quadTriangleIndexBuffer, + parameters.staticData.tileTriangleSegments, + paintAttibuteData, + properties, + parameters.state.getZoom(), + "clipping" + ); + } + } + +#if not MBGL_USE_GLES2 and not defined(NDEBUG) + // Render tile clip boundaries, using stencil buffer to calculate fill color. + if (parameters.debugOptions & MapDebugOptions::StencilClip) { + parameters.context.setStencilMode(gl::StencilMode::disabled()); + parameters.context.setDepthMode(gl::DepthMode::disabled()); + parameters.context.setColorMode(gl::ColorMode::unblended()); + parameters.context.program = 0; + + // Reset the value in case someone else changed it, or it's dirty. + parameters.context.pixelTransferStencil = gl::value::PixelTransferStencil::Default; + + // Read the stencil buffer + const auto viewport = parameters.context.viewport.getCurrentValue(); + auto image = parameters.context.readFramebuffer<AlphaImage, gl::TextureFormat::Stencil>(viewport.size, false); + + // Scale the Stencil buffer to cover the entire color space. + auto it = image.data.get(); + auto end = it + viewport.size.width * viewport.size.height; + const auto factor = 255.0f / *std::max_element(it, end); + for (; it != end; ++it) { + *it *= factor; + } + + parameters.context.pixelZoom = { 1, 1 }; + parameters.context.rasterPos = { -1, -1, 0, 1 }; + parameters.context.drawPixels(image); + + return; + } +#endif + + // Actually render the layers + + parameters.depthRangeSize = 1 - (order.size() + 2) * parameters.numSublayers * parameters.depthEpsilon; + + // - OPAQUE PASS ------------------------------------------------------------------------------- + // Render everything top-to-bottom by using reverse iterators. Render opaque objects first. + { + parameters.pass = RenderPass::Opaque; + MBGL_DEBUG_GROUP(parameters.context, "opaque"); + + uint32_t i = 0; + for (auto it = order.rbegin(); it != order.rend(); ++it, ++i) { + parameters.currentLayer = i; + if (it->layer.hasRenderPass(parameters.pass)) { + MBGL_DEBUG_GROUP(parameters.context, it->layer.getID()); + it->layer.render(parameters, it->source); + } + } + } + + // - TRANSLUCENT PASS -------------------------------------------------------------------------- + // Make a second pass, rendering translucent objects. This time, we render bottom-to-top. + { + parameters.pass = RenderPass::Translucent; + MBGL_DEBUG_GROUP(parameters.context, "translucent"); + + uint32_t i = static_cast<uint32_t>(order.size()) - 1; + for (auto it = order.begin(); it != order.end(); ++it, --i) { + parameters.currentLayer = i; + if (it->layer.hasRenderPass(parameters.pass)) { + MBGL_DEBUG_GROUP(parameters.context, it->layer.getID()); + it->layer.render(parameters, it->source); + } + } + } + + // - DEBUG PASS -------------------------------------------------------------------------------- + // Renders debug overlays. + { + MBGL_DEBUG_GROUP(parameters.context, "debug"); + + // Finalize the rendering, e.g. by calling debug render calls per tile. + // This guarantees that we have at least one function per tile called. + // When only rendering layers via the stylesheet, it's possible that we don't + // ever visit a tile during rendering. + for (const auto& entry : renderSources) { + if (entry.second->isEnabled()) { + entry.second->finishRender(parameters); + } + } + } + +#if not MBGL_USE_GLES2 and not defined(NDEBUG) + // Render the depth buffer. + if (parameters.debugOptions & MapDebugOptions::DepthBuffer) { + parameters.context.setStencilMode(gl::StencilMode::disabled()); + parameters.context.setDepthMode(gl::DepthMode::disabled()); + parameters.context.setColorMode(gl::ColorMode::unblended()); + parameters.context.program = 0; + + // Scales the values in the depth buffer so that they cover the entire grayscale range. This + // makes it easier to spot tiny differences. + const float base = 1.0f / (1.0f - parameters.depthRangeSize); + parameters.context.pixelTransferDepth = { base, 1.0f - base }; + + // Read the stencil buffer + auto viewport = parameters.context.viewport.getCurrentValue(); + auto image = parameters.context.readFramebuffer<AlphaImage, gl::TextureFormat::Depth>(viewport.size, false); + + parameters.context.pixelZoom = { 1, 1 }; + parameters.context.rasterPos = { -1, -1, 0, 1 }; + parameters.context.drawPixels(image); + } +#endif + + // TODO: Find a better way to unbind VAOs after we're done with them without introducing + // unnecessary bind(0)/bind(N) sequences. + { + MBGL_DEBUG_GROUP(parameters.context, "cleanup"); + + parameters.context.activeTextureUnit = 1; + parameters.context.texture[1] = 0; + parameters.context.activeTextureUnit = 0; + parameters.context.texture[0] = 0; + + parameters.context.bindVertexArray = 0; + } + + observer->onDidFinishRenderingFrame( + loaded ? RendererObserver::RenderMode::Full : RendererObserver::RenderMode::Partial, + updateParameters.mode == MapMode::Continuous && hasTransitions(parameters.timePoint) + ); + + if (!loaded) { + renderState = RenderState::Partial; + } else if (renderState != RenderState::Fully) { + renderState = RenderState::Fully; + observer->onDidFinishRenderingMap(); + } + + // Cleanup only after signaling completion + parameters.context.performCleanup(); +} + +std::vector<Feature> Renderer::Impl::queryRenderedFeatures(const ScreenLineString& geometry, const RenderedQueryOptions& options) const { + std::vector<const RenderLayer*> layers; + if (options.layerIDs) { + for (const auto& layerID : *options.layerIDs) { + if (const RenderLayer* layer = getRenderLayer(layerID)) { + layers.emplace_back(layer); + } + } + } else { + for (const auto& entry : renderLayers) { + layers.emplace_back(entry.second.get()); + } + } + + return queryRenderedFeatures(geometry, options, layers); +} + +std::vector<Feature> Renderer::Impl::queryRenderedFeatures(const ScreenLineString& geometry, const RenderedQueryOptions& options, const std::vector<const RenderLayer*>& layers) const { + std::unordered_set<std::string> sourceIDs; + for (const RenderLayer* layer : layers) { + sourceIDs.emplace(layer->baseImpl->source); + } + + std::unordered_map<std::string, std::vector<Feature>> resultsByLayer; + for (const auto& sourceID : sourceIDs) { + if (RenderSource* renderSource = getRenderSource(sourceID)) { + auto sourceResults = renderSource->queryRenderedFeatures(geometry, transformState, layers, options, placement->getCollisionIndex()); + std::move(sourceResults.begin(), sourceResults.end(), std::inserter(resultsByLayer, resultsByLayer.begin())); + } + } + + std::vector<Feature> result; + + if (resultsByLayer.empty()) { + return result; + } + + // Combine all results based on the style layer order. + for (const auto& layerImpl : *layerImpls) { + const RenderLayer* layer = getRenderLayer(layerImpl->id); + if (!layer->needsRendering(zoomHistory.lastZoom)) { + continue; + } + auto it = resultsByLayer.find(layer->baseImpl->id); + if (it != resultsByLayer.end()) { + std::move(it->second.begin(), it->second.end(), std::back_inserter(result)); + } + } + + return result; +} + +std::vector<Feature> Renderer::Impl::queryShapeAnnotations(const ScreenLineString& geometry) const { + std::vector<const RenderLayer*> shapeAnnotationLayers; + RenderedQueryOptions options; + for (const auto& layerImpl : *layerImpls) { + if (std::mismatch(layerImpl->id.begin(), layerImpl->id.end(), + AnnotationManager::ShapeLayerID.begin(), AnnotationManager::ShapeLayerID.end()).second == AnnotationManager::ShapeLayerID.end()) { + if (const RenderLayer* layer = getRenderLayer(layerImpl->id)) { + shapeAnnotationLayers.emplace_back(layer); + } + } + } + + return queryRenderedFeatures(geometry, options, shapeAnnotationLayers); +} + +std::vector<Feature> Renderer::Impl::querySourceFeatures(const std::string& sourceID, const SourceQueryOptions& options) const { + const RenderSource* source = getRenderSource(sourceID); + if (!source) return {}; + + return source->querySourceFeatures(options); +} + +void Renderer::Impl::onLowMemory() { + assert(BackendScope::exists()); + backend.getContext().performCleanup(); + for (const auto& entry : renderSources) { + entry.second->onLowMemory(); + } + observer->onInvalidate(); +} + +void Renderer::Impl::dumDebugLogs() { + for (const auto& entry : renderSources) { + entry.second->dumpDebugLogs(); + } + + imageManager->dumpDebugLogs(); +} + +RenderLayer* Renderer::Impl::getRenderLayer(const std::string& id) { + auto it = renderLayers.find(id); + return it != renderLayers.end() ? it->second.get() : nullptr; +} + +const RenderLayer* Renderer::Impl::getRenderLayer(const std::string& id) const { + auto it = renderLayers.find(id); + return it != renderLayers.end() ? it->second.get() : nullptr; +} + +RenderSource* Renderer::Impl::getRenderSource(const std::string& id) const { + auto it = renderSources.find(id); + return it != renderSources.end() ? it->second.get() : nullptr; +} + +bool Renderer::Impl::hasTransitions(TimePoint timePoint) const { + if (renderLight.hasTransition()) { + return true; + } + + for (const auto& entry : renderLayers) { + if (entry.second->hasTransition()) { + return true; + } + } + + if (placement->hasTransitions(timePoint)) { + return true; + } + + if (fadingTiles) { + return true; + } + + return false; +} + +void Renderer::Impl::updateFadingTiles() { + fadingTiles = false; + for (auto& source : renderSources) { + for (auto& renderTile : source.second->getRenderTiles()) { + Tile& tile = renderTile.get().tile; + if (tile.holdForFade()) { + fadingTiles = true; + tile.performedFadePlacement(); + } + } + } +} + +bool Renderer::Impl::isLoaded() const { + for (const auto& entry: renderSources) { + if (!entry.second->isLoaded()) { + return false; + } + } + + if (!imageManager->isLoaded()) { + return false; + } + + return true; +} + +void Renderer::Impl::onGlyphsError(const FontStack& fontStack, const GlyphRange& glyphRange, std::exception_ptr error) { + Log::Error(Event::Style, "Failed to load glyph range %d-%d for font stack %s: %s", + glyphRange.first, glyphRange.second, fontStackToString(fontStack).c_str(), util::toString(error).c_str()); + observer->onResourceError(error); +} + +void Renderer::Impl::onTileError(RenderSource& source, const OverscaledTileID& tileID, std::exception_ptr error) { + Log::Error(Event::Style, "Failed to load tile %s for source %s: %s", + util::toString(tileID).c_str(), source.baseImpl->id.c_str(), util::toString(error).c_str()); + observer->onResourceError(error); +} + +void Renderer::Impl::onTileChanged(RenderSource&, const OverscaledTileID&) { + observer->onInvalidate(); +} + +} // namespace mbgl |