--- FretsOnFire-src-1.3.110/src/Texture.py	2016-09-21 23:30:49.072858379 +0200
+++ FretsOnFire-src-1.3.110/src/Texture.py"	2016-09-22 00:47:04.472456222 +0200
@@ -286,7 +286,7 @@
 
   def loadRaw(self, size, string, format, components):
     """Load a raw image from the given string. 'format' is a constant such as
-       GL_RGB or GL_RGBA that can be passed to gluBuild2DMipmaps.
+       GL_RGB or GL_RGBA that can be passed to glTexImage2D.
        """
     self.pixelSize = size
     self.size = (1.0, 1.0)
@@ -295,7 +295,8 @@
     (w, h) = size
     Texture.bind(self)
     glPixelStorei(GL_UNPACK_ALIGNMENT, 1)
-    gluBuild2DMipmaps(self.glTarget, components, w, h, format, GL_UNSIGNED_BYTE, string)
+    glTexImage2D(self.glTarget, 0, components, w, h, 0, format, GL_UNSIGNED_BYTE, string)
+    glGenerateMipmap(self.glTarget)
 
   def loadSubRaw(self, size, position, string, format):
     Texture.bind(self)