- moved the entire OpenGL backend into a separate namespace.

src/gl/shaders/gl_postprocessshader.cpp

@@ -34,6 +34,10 @@
 
 CVAR(Bool, gl_custompost, true, 0)
 
+namespace OpenGLRenderer
+{
+
+
 FCustomPostProcessShaders::FCustomPostProcessShaders()
 {
 	for (unsigned int i = 0; i < PostProcessShaders.Size(); i++)
@@ -242,3 +246,5 @@ void PostProcessShaderInstance::BindTextures()
 		}
 	}
 }
+
+}