in seriously.js [3357:3379]
SourceNode.prototype.render = function () {
var media = this.source;
if (!gl || !media && media !== 0 || !this.ready) {
return;
}
if (!this.initialized) {
this.initialize();
}
if (!this.allowRefresh) {
return;
}
if (this.plugin && this.plugin.render &&
(this.dirty || this.checkDirty && this.checkDirty()) &&
this.plugin.render.call(this, gl, draw, rectangleModel, baseShader)) {
this.dirty = false;
this.emit('render');
}
};