Can you try setting engine.dbgShowShaderCode = true; after creating the engine? This will dump all the shaders in the browser console. If you can provide me with a live link with this debugging parameter enabled, I might be able to figure out where the problem is coming from. Note that it would be easier to save the logs and send them to me, but only the visible parts of the logs are saved, which means that a log like this :
will miss 25.4Kb of data…