Available since LÖVE 0.8.0
This function is not supported in earlier versions.
Returns any warning messages from compiling the pixel effect code. This can be used for debugging your pixel effects if there's anything the graphics hardware doesn't like.
warnings = PixelEffect:getWarnings( )
None.
string warnings
© 2006–2016 LÖVE Development Team
Licensed under the GNU Free Documentation License, Version 1.3.
https://love2d.org/wiki/PixelEffect:getWarnings