DEBUGGING ========== -Read the sections about shader debugging, starting from line 59 -Change the background to gray in case my square is being rendered in black TODO ========== -Change the logger class to use cout instead of printf. Consider how easy variable argument support would be. -Change all error messages to use the logger class so they get printed to the log file as well. -Make sure fullscreen works correctly on OSX. Check the book to see how to handle Retina Display. -Check the book's "Printing Parameters from the GL Context" to output a bunch of OpenGL context params -Add code to allow for resizing/maximizing the window -Move some common functions into a Utils class DONE ========== -Print a warning if texture images don't sizes of 2^x -Fix the texture-mapping code to not flip the texture upside down.