fixes

include/rendering/shader_program_lookups/mesh_lookup.hpp

@@ -0,0 +1,27 @@
+#pragma once
+
+#include "opengl/shader_program_lookup.hpp"
+#include "opengl/handles/shader_program_handle.hpp"
+#include "rendering/requirements/mesh_requirements.hpp"
+
+namespace rendering::shader_program_lookups
+{
+
+class mesh_lookup
+{
+public:
+	void add(
+		const zgl::shader_program_handle& shader_program_handle
+	);
+
+	[[nodiscard]] std::optional<zgl::shader_program_handle> find(
+		requirements::mesh::flags requirements
+	) const;
+
+	void print();
+
+private:
+	zgl::shader_program_lookup m_shader_program_lookup;
+};
+
+}