return context; } }

HTMLCanvasElement.prototype.getContext = function () { var context = null; if (!arguments.length) { return context; }

if (arguments.length === 1) { context = this.__SPECTOR_Origin_EXTENSION_GetContext(arguments[0]); if (context === null) { return context; } } else if (arguments.length === 2) { context = this.__SPECTOR_Origin_EXTENSION_GetContext(arguments[0], arguments[1]); if (context === null) { return context; } }

var contextNames = ["webgl", "experimental-webgl", "webgl2", "experimental-webgl2"]; if (contextNames.indexOf(arguments[0]) !== -1) { context.canvas.setAttribute("__spector_context_type", arguments[0]); // Notify the page a canvas is available. var myEvent = new CustomEvent("SpectorWebGLCanvasAvailableEvent"); document.dispatchEvent(myEvent);

if (captureOffScreen) { var found = false; for (var i = 0; i < window.__SPECTOR_Canvases.length; i++) { if (window.__SPECTOR_Canvases[i] === this) { found = true; break; } } if (!found) { window.__SPECTOR_Canvases.push(this); } } if (captureOnLoad) { // Ensures canvas is in the dom to capture the one we are currently tracking. if (this.parentElement || false) { spector.captureContext(context, 500, false, false); captureOnLoad = false; } } } return context; } })()