Bug/clash between antialiasing and ofShaders

So, I think I’ve finally pinned down what was causing a glitcher issue that I raised here in a shader app I’ve been working on.

The shaders run fine on a lot of gpu chips, but on my Mac integrated intel chips the outcome on screen is completely garbled. After a lot of commenting in and out, it turns out the problem is caused whenever the lines ‘ofEnableAntiAliasing()’ or ‘ofDisableAntiAliasing()’ are included. Removing all these calls clears up the glitch.

Don’t know why but it might be a fix that helps someone else out one day.

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