test rendering ui to texture

src/graphics/ui/elements/Frame.hpp

@@ -0,0 +1,18 @@
+#pragma once
+
+#include "Container.hpp"
+
+class Framebuffer;
+
+namespace gui {
+    class Frame final : public Container {
+    public:
+        explicit Frame(GUI& gui);
+        virtual ~Frame();
+
+        void draw(const DrawContext& pctx, const Assets& assets) override;
+    private:
+        std::unique_ptr<Framebuffer> fbo;
+        std::string texture = "gui/no_icon";
+    };
+}