Organic Maps sources as of 02.04.2025 (fad26bbf22ac3da75e01e62aa01e5c8e11861005)

To expand with full Organic Maps and Maps.ME commits history run:
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  git fetch --tags om-historic
  git replace squashed-history historic-commits

drape_frontend/overlay_batcher.cpp

@@ -0,0 +1,45 @@
+#include "drape_frontend/overlay_batcher.hpp"
+
+#include "drape_frontend/map_shape.hpp"
+
+#include "drape/batcher.hpp"
+#include "drape/render_bucket.hpp"
+#include "drape/texture_manager.hpp"
+
+namespace df
+{
+uint32_t const kOverlayIndexBufferSize = 30000;
+uint32_t const kOverlayVertexBufferSize = 20000;
+
+OverlayBatcher::OverlayBatcher(TileKey const & key)
+  : m_batcher(kOverlayIndexBufferSize, kOverlayVertexBufferSize)
+{
+  int const kAverageRenderDataCount = 5;
+  m_data.reserve(kAverageRenderDataCount);
+
+  m_batcher.SetBatcherHash(key.GetHashValue(BatcherBucket::Overlay));
+  m_batcher.StartSession([this, key](dp::RenderState const & state, drape_ptr<dp::RenderBucket> && bucket)
+  {
+    FlushGeometry(key, state, std::move(bucket));
+  });
+}
+
+void OverlayBatcher::Batch(ref_ptr<dp::GraphicsContext> context, drape_ptr<MapShape> const & shape,
+                           ref_ptr<dp::TextureManager> texMng)
+{
+  m_batcher.SetFeatureMinZoom(shape->GetFeatureMinZoom());
+  shape->Draw(context, make_ref(&m_batcher), texMng);
+}
+
+void OverlayBatcher::Finish(ref_ptr<dp::GraphicsContext> context, TOverlaysRenderData & data)
+{
+  m_batcher.EndSession(context);
+  data.swap(m_data);
+}
+
+void OverlayBatcher::FlushGeometry(TileKey const & key, dp::RenderState const & state,
+                                   drape_ptr<dp::RenderBucket> && bucket)
+{
+  m_data.emplace_back(key, state, std::move(bucket));
+}
+}  // namespace df