Renderer: Blit texture to window instead of using a full renderpass

This may improve performance and allow for render targets to customize how they blit the final texture (allowing for render-to-texture)

include/Nazara/Renderer/RenderImage.hpp

@@ -15,6 +15,8 @@ namespace Nz
 	class NAZARA_RENDERER_API RenderImage : public TransientResources
 	{
 		public:
+			using TransientResources::TransientResources;
+
 			virtual void Present() = 0;
 	};
 }