diff --git a/include/gfx_device.hpp b/include/gfx_device.hpp
index 949da86..14a4bd8 100644
--- a/include/gfx_device.hpp
+++ b/include/gfx_device.hpp
@@ -10,17 +10,21 @@ struct SDL_Window;
 
 namespace engine::gfx {
 	
-	struct ENGINE_API GFXDevice {
+	class ENGINE_API GFXDevice {
 
+	public:
 		GFXDevice(AppInfo appInfo, SDL_Window* window);
 
 		GFXDevice(const GFXDevice&) = delete;
 		GFXDevice& operator=(const GFXDevice&) = delete;
 		~GFXDevice();
 
+		// submit command lists and draw to the screen
+		void draw();
+
 	private:
 		class Impl;
-		std::unique_ptr<Impl> pimpl;
+		std::unique_ptr<Impl> m_pimpl;
 
 	};
 
diff --git a/src/gfx_device_vulkan.cpp b/src/gfx_device_vulkan.cpp
index 4b6ce69..a45a7bb 100644
--- a/src/gfx_device_vulkan.cpp
+++ b/src/gfx_device_vulkan.cpp
@@ -810,8 +810,7 @@ namespace engine::gfx {
 			throw std::runtime_error("The loaded Vulkan version must be at least 1.3");
 		}
 
-		pimpl = std::make_unique<Impl>(appInfo, window);
-
+		m_pimpl = std::make_unique<Impl>(appInfo, window);
 
 	}
 
@@ -820,6 +819,11 @@ namespace engine::gfx {
 		TRACE("Destroying GFXDevice...");
 	}
 
+	void GFXDevice::draw()
+	{
+		TRACE("Drawing");
+	}
+
 }
 
 #endif