Fixed resolution problems.

lib/pixi/app.js

@@ -71,7 +71,7 @@ export default class PIXIApp extends PIXI.Application {
      * @param {HTMLElement} [opts.view] - The canvas HTML element. If not set, a render-element is added inside the body.
      * @param {boolean} [opts.transparent=true] - Should the render view be transparent?
      * @param {boolean} [opts.antialias=true] - Sets antialias (only applicable in chrome at the moment).
-     * @param {number} [opts.resolution=window.devicePixelRatio | 1] - The resolution / device pixel ratio of the renderer, retina would be 2.
+     * @param {number} [opts.resolution=window.devicePixelRatio || 1] - The resolution / device pixel ratio of the renderer, retina would be 2.
      * @param {boolean} [opts.autoResize=true] - Should the canvas-element be resized automatically if the resolution was set?
      * @param {number} [opts.backgroundColor=0x282828] - The color of the background.
      * @param {string|Theme} [opts.theme=dark] - The name of the theme (dark, light, red) or a Theme object to use for styling.
@@ -81,6 +81,7 @@ export default class PIXIApp extends PIXI.Application {
      * @param {boolean} [opts.roundPixels=true] - Align PIXI.DisplayObject coordinates to screen resolution.
      * @param {boolean} [opts.monkeyPatchMapping=true] - Monkey patch for canvas fullscreen support on large displays.
      * @param {boolean} [opts.adaptive=true] - Adds Graphics adaptive calculation of quadratic curve and arc subdivision.
+     * @param {boolean} [opts.autoDensity=true] - Automatically adapts width to devicePixelRation
      */
     constructor({
         width = null,
@@ -90,7 +91,7 @@ export default class PIXIApp extends PIXI.Application {
         backgroundColor = 0x282828,
         theme = 'dark',
         antialias = true,
-        resolution = 1,
+        resolution = window.devicePixelRatio || 1, //  Needed for text resolution https://www.html5gamedevs.com/topic/46418-text-and-resolution/
         autoResize = true,
         fpsLogging = false,
         progress = {},
@@ -98,7 +99,8 @@ export default class PIXIApp extends PIXI.Application {
         roundPixels = true,
         monkeyPatchMapping = true,
         adaptive = true,
-        graphql = false
+        graphql = false,
+        autoDensity = true // Needed for text resolution https://www.html5gamedevs.com/topic/46418-text-and-resolution/
     }) {
         const fullScreen = !width || !height
 
@@ -116,7 +118,8 @@ export default class PIXIApp extends PIXI.Application {
             resolution,
             autoResize,
             backgroundColor,
-            forceCanvas
+            forceCanvas,
+            autoDensity
         })
 
         this.width = width