MasDennis/Rajawali — pull request #507 by Kazetsukai (2013-03-27 10:04:15+00:00)
Title: Prevent reloading of uninitialized PostProcessingRenderer in RajawaliRenderer

If the `PostProcessingRenderer` has not been initialized and `mTextureSize`
is still set to -1, attempting to reload it will raise a GL error.