diff --git a/engine b/engine
index ae3333e..beca879 160000
--- a/engine
+++ b/engine
@@ -1 +1 @@
-Subproject commit ae3333e22e36667a0c02817fafb16ab7b8d1341b
+Subproject commit beca8798bf91edba954d31eb4e1a619ec2140c83
diff --git a/game/game.py b/game/game.py
index 7b3b446..d319230 100644
--- a/game/game.py
+++ b/game/game.py
@@ -219,9 +219,8 @@ def loop(display):
         while not keyboard.quit:
             events.update()
             time.update()
-            begin_frame()
+            clear_buffer(True, True, True)
             scene.draw(time)
-            end_frame()
             swap_buffers(display)
     except KeyboardInterrupt:
         pass
diff --git a/game/shader.py b/game/shader.py
index 68374bb..9ab5c40 100644
--- a/game/shader.py
+++ b/game/shader.py
@@ -15,7 +15,7 @@
 
 from pathlib import Path
 
-from engine import load_shader, resolve_input, select_shader, unselect_shader, destroy_shader
+from engine import create_shader, resolve_input, select_shader, unselect_shader, destroy_shader
 
 def _cleanup(line):
     return line.partition('//')[0].strip()
@@ -70,7 +70,7 @@ class Shader:
         print("Loading fragment shader", frag_name)
         frag_lines = _load_source(path / (frag_name + '_opengles.frag'))
         assert frag_lines
-        self._shader = load_shader(list(map(_convert, vert_lines)), list(map(_convert, frag_lines)))
+        self._shader = create_shader(list(map(_convert, vert_lines)), list(map(_convert, frag_lines)))
         _parse(self, vert_lines, frag_lines)
 
     def __del__(self):