+ "pixelRatio": {
+ "default": "(devicePixelRatio / context.backingStoreRatio)",
+ "labels": ["Overall display"],
+ "type": "float",
+ "description": "Overrides the pixel ratio scaling factor for the canvas's 2d context. Ordinarily, this is set to the devicePixelRatio / (context.backingStoreRatio || 1), so on mobile devices, where the devicePixelRatio can be somewhere around 3, performance can be improved by overriding this value to something less precise, like 1, at the expense of resolution."
+ },