Fix backwards compatibility mode.

diff --git a/Cura/gui/util/opengl.py b/Cura/gui/util/opengl.py
index f3021d88d6a424421db24fa20ef6c38ba1a727d6..ce833b351ef8263e8974a1dc68628e522a0ea82d 100644 (file)
--- a/Cura/gui/util/opengl.py
+++ b/Cura/gui/util/opengl.py
@@ -34,7 +34,9 @@ class GLReferenceCounter(object):
                return self._refCounter <= 0
 
 def hasShaderSupport():
-       return bool(glCreateShader) != False
+       if bool(glCreateShader):
+               return True
+       return False
 
 class GLShader(GLReferenceCounter):
        def __init__(self, vertexProgram, fragmentProgram):
@@ -119,7 +121,7 @@ class GLFakeShader(GLReferenceCounter):
 class GLVBO(GLReferenceCounter):
        def __init__(self, vertexArray, normalArray = None):
                super(GLVBO, self).__init__()
-               if bool(glGenBuffers) == False:
+               if not bool(glGenBuffers):
                        self._vertexArray = vertexArray
                        self._normalArray = normalArray
                        self._buffer = None