diff --git a/todo.txt b/todo.txt
index abb5bde1d..7fb26cf5d 100644
--- a/todo.txt
+++ b/todo.txt
@@ -29,6 +29,8 @@ TODO, which will get actually done
 
 - SDL: control mouse with right analog gamepad stick.
 
+- SDL: implement framebuffer objects for software rendering, for improving speed.
+
 - USB Keyboard: configurable mouse speed, show keyboard LEDs, redefine unknown keys, fix Lollipop SELinux bug.
 
 - S Planner Killer: options to restore calendar settiongs, and to kill lock-screen widget.