Function makeLostContextFunctionWrapper

docs/tests/v2/es6/js/sanddance.js:34974–34989

(ctx, functionName)

  // Makes a function that simulates WebGL when out of context.
  function makeLostContextFunctionWrapper(ctx, functionName) {
    var f = ctx[functionName];
    return function() {
      // log("calling:" + functionName);
      // Only call the functions if the context is not lost.
      loseContextIfTime();
      if (!contextLost_) {
        //if (!checkResources(arguments)) {
        //  glErrorShadow_[wrappedContext_.INVALID_OPERATION] = true;
        //  return;
        //}
        var result = f.apply(ctx, arguments);
        return result;
      }
    };
  }

  function freeResources() {
    for (var ii = 0; ii < resourceDb_.length; ++ii) {