diff --git a/CMakeLists.txt b/CMakeLists.txt
index bfdf0e9ac1..0c6f8f43ee 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -253,8 +253,10 @@ add_library(topaz STATIC
 	# tz::ren
 	src/tz/ren/animation.cpp
 	src/tz/ren/animation.hpp
+	src/tz/ren/api.hpp
 	src/tz/ren/mesh.cpp
 	src/tz/ren/mesh.hpp
+	src/tz/ren/tz_ren.hpp
 	)
 
 if(CMAKE_HOST_SYSTEM_NAME STREQUAL "Windows")
diff --git a/src/tz/gl/tz_gl.hpp b/src/tz/gl/tz_gl.hpp
index b34ceb5808..6bf074497b 100644
--- a/src/tz/gl/tz_gl.hpp
+++ b/src/tz/gl/tz_gl.hpp
@@ -8,7 +8,7 @@ namespace tz::gl
 	/**
 	 * @ingroup tz_cpp
 	 * @defgroup tz_gl2 Graphics Library
-	 * Hardware-accelerated 3D graphics library.
+	 * Low-level 3D graphics library.
 	 *
 	 * Rendering 3D graphics in Topaz is achieved by doing the following:
 	 * - Populate a @ref tz::gl::renderer_info describing how to render what you want.
diff --git a/src/tz/ren/api.hpp b/src/tz/ren/api.hpp
new file mode 100644
index 0000000000..8d98575ad7
--- /dev/null
+++ b/src/tz/ren/api.hpp
@@ -0,0 +1,20 @@
+#ifndef TOPAZ_REN_API_HPP
+#define TOPAZ_REN_API_HPP
+
+namespace tz::ren
+{
+	/**
+	 * @ingroup tz_ren
+	 * Interface for a high-level `tz::ren` renderer class.
+	 */
+	class ihigh_level_renderer
+	{
+	public:
+		/**
+		 * Append this renderer to the end of the render-graph, without specifying any dependencies.
+		 */
+		virtual void append_to_render_graph() = 0;
+	};
+}
+
+#endif // TOPAZ_REN_API_HPP
\ No newline at end of file
diff --git a/src/tz/ren/mesh.hpp b/src/tz/ren/mesh.hpp
index 7c80ea5ffd..174bc0bcc6 100644
--- a/src/tz/ren/mesh.hpp
+++ b/src/tz/ren/mesh.hpp
@@ -1,5 +1,6 @@
 #ifndef TOPAZ_REN_MESH_HPP
 #define TOPAZ_REN_MESH_HPP
+#include "tz/ren/api.hpp"
 #include "tz/gl/renderer.hpp"
 #include "tz/core/data/vector.hpp"
 #include "tz/core/matrix.hpp"
@@ -85,7 +86,7 @@ namespace tz::ren
 	* todo: document
 	* a two-pass (compute gpu command generation => render) mesh renderer. pbr?
 	*/
-	class mesh_renderer
+	class mesh_renderer : public ihigh_level_renderer
 	{
 		struct object_tag_t{};
 	public:
@@ -123,7 +124,7 @@ namespace tz::ren
 
 		void remove_object(object_handle oh);
 		texture_handle add_texture(tz::vec2ui dimensions, std::span<const std::byte> image_data);
-		void append_to_render_graph();
+		virtual void append_to_render_graph() override;
 
 		tz::trs get_camera_transform() const;
 		void set_camera_transform(tz::trs camera_transform);
diff --git a/src/tz/ren/tz_ren.hpp b/src/tz/ren/tz_ren.hpp
new file mode 100644
index 0000000000..634cf38871
--- /dev/null
+++ b/src/tz/ren/tz_ren.hpp
@@ -0,0 +1,15 @@
+#ifndef TOPAZ_REN_TZ_REN_HPP
+#define TOPAZ_REN_TZ_REN_HPP
+
+namespace tz::ren
+{
+	/**
+	 * @ingroup tz_cpp
+	 * @defgroup tz_ren Rendering Library
+	 * High-level 3D rendering library. Built ontop of @ref tz_gl2.
+	 *
+	 * The rendering library is mostly comprised of high-level renderer classes.
+	 */
+}
+
+#endif // TOPAZ_REN_TZ_REN_HPP
\ No newline at end of file