[core] change approach to stencil clipping to (almost) match JS

1 files changed, 0 insertions, 39 deletions

diff --git a/src/mbgl/algorithm/covered_by_children.hpp b/src/mbgl/algorithm/covered_by_children.hpp
deleted file mode 100644
index fe5af3f3db..0000000000
--- a/src/mbgl/algorithm/covered_by_children.hpp
+++ /dev/null
@@ -1,39 +0,0 @@
-#pragma once
-
-#include <mbgl/tile/tile_id.hpp>
-
-namespace mbgl {
-namespace algorithm {
-
-template <typename Iterator>
-bool coveredByChildren(const UnwrappedTileID& id, Iterator it, const Iterator& end) {
-    for (const auto& child : id.children()) {
-        it = std::lower_bound(it, end, child, [](const auto& a, const auto& b) { return std::get<0>(a) < b; });
-
-        // Child is not present, neither its grandchildren.
-        if (it == end) {
-            return false;
-        }
-
-        // Child is not present, but its grandchildren are.
-        if (std::get<0>(*it) != child) {
-            // This child is not covered by its grandchildren.
-            if (!coveredByChildren(child, it, end)) {
-                return false;
-            }
-        }
-    }
-
-    // We looked at all four children (recursively) and verified that they're covered.
-    return true;
-}
-
-template <typename Container>
-bool coveredByChildren(const UnwrappedTileID& id, const Container& container) {
-    return coveredByChildren(
-        id, container.upper_bound(id),
-        container.lower_bound(UnwrappedTileID{ static_cast<int16_t>(id.wrap + 1), { 0, 0, 0 } }));
-}
-
-} // namespace algorithm
-} // namespace mbgl