diff --git a/libs/ui/source/painter_impl.cpp b/libs/ui/source/painter_impl.cpp
index b233d829..17896fba 100644
--- a/libs/ui/source/painter_impl.cpp
+++ b/libs/ui/source/painter_impl.cpp
@@ -4,6 +4,7 @@
 #include <psemek/gfx/mesh.hpp>
 
 #include <psemek/util/overload.hpp>
+#include <psemek/log/log.hpp>
 
 #include <variant>
 
@@ -223,6 +224,8 @@ void main()
 
 		std::vector<std::variant<colored_batch, bitmap_text_batch, textured_batch, stencil_batch>> batches;
 
+		std::size_t max_batch_count = 0;
+
 		template <typename Batch>
 		Batch & batch(Batch && n)
 		{
@@ -259,7 +262,10 @@ void main()
 		: pimpl_{make_impl()}
 	{}
 
-	painter_impl::~painter_impl() = default;
+	painter_impl::~painter_impl()
+	{
+		log::debug() << "UI painter max batch count: " << impl().max_batch_count;
+	}
 
 	void painter_impl::draw_rect(geom::box<float, 2> const & rect, gfx::color_rgba const & color)
 	{
@@ -518,6 +524,9 @@ void main()
 		for (auto const & b : impl().batches)
 			std::visit(batch_visitor, b);
 
+
+		impl().max_batch_count = std::max(impl().max_batch_count, impl().batches.size());
+
 		impl().depth = 0;
 		impl().batches.clear();
 		impl().stencil_level = 0;