Added some rendering optimizations

1 files changed, 38 insertions, 0 deletions

diff --git a/drape_frontend/requested_tiles.cpp b/drape_frontend/requested_tiles.cpp
new file mode 100755
index 0000000000..76d0cf4bfe
--- /dev/null
+++ b/drape_frontend/requested_tiles.cpp
@@ -0,0 +1,38 @@
+#include "drape_frontend/requested_tiles.hpp"
+
+namespace df
+{
+
+void RequestedTiles::Set(ScreenBase const & screen, TTilesCollection && tiles)
+{
+  lock_guard<mutex> lock(m_mutex);
+  m_tiles = move(tiles);
+  m_screen = screen;
+}
+
+TTilesCollection RequestedTiles::GetTiles()
+{
+  TTilesCollection tiles;
+  {
+    lock_guard<mutex> lock(m_mutex);
+    m_tiles.swap(tiles);
+  }
+  return tiles;
+}
+
+ScreenBase RequestedTiles::GetScreen()
+{
+  lock_guard<mutex> lock(m_mutex);
+  return m_screen;
+}
+
+bool RequestedTiles::CheckTileKey(TileKey const & tileKey) const
+{
+  lock_guard<mutex> lock(m_mutex);
+  if (m_tiles.empty())
+    return true;
+
+  return m_tiles.find(tileKey) != m_tiles.end();
+}
+
+} //namespace df