From ff6a3ee5b7fea7f4c18fed3480308c34fd434ed6 Mon Sep 17 00:00:00 2001 From: Mikhail Pozdnyakov Date: Wed, 2 Oct 2019 12:54:30 +0300 Subject: [core] Suppress network requests for invisible tiles If the render source does not need rendering, we set necessity for its tiles to `optional`, and thus suppress network requests on tiles expiration. --- src/mbgl/renderer/tile_pyramid.cpp | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'src/mbgl/renderer/tile_pyramid.cpp') diff --git a/src/mbgl/renderer/tile_pyramid.cpp b/src/mbgl/renderer/tile_pyramid.cpp index 2bf6e2e1a9..586d3b5a8a 100644 --- a/src/mbgl/renderer/tile_pyramid.cpp +++ b/src/mbgl/renderer/tile_pyramid.cpp @@ -68,6 +68,10 @@ void TilePyramid::update(const std::vector>& l if (!needsRendering) { if (!needsRelayout) { for (auto& entry : tiles) { + // These tiles are invisible, we set optional necessity + // for them and thus suppress network requests on + // tiles expiration (see `OnlineFileRequest`). + entry.second->setNecessity(TileNecessity::Optional); cache.add(entry.first, std::move(entry.second)); } } -- cgit v1.2.1