Hoisted the fillRect/canvasRect/pxRound flags to the CanvasRenderer.

src/pixi/Pixi.js

@@ -41,21 +41,6 @@ PIXI.scaleModes = {
     NEAREST:1
 };
 
-//  Canvas specific controls
-PIXI.canvas = {
-
-    //  If the Stage is NOT transparent Pixi will use a canvas sized fillRect operation every frame to set the canvas background color.
-    //  Disable this by setting this to false. For example if your game has a canvas filling background image you often don't need this set.
-    FILL_RECT: true,
-
-    //  If the Stage is transparent Pixi will use clearRect to clear the canvas every frame.
-    //  Disable this by setting this to false. For example if your game has a canvas filling background image you often don't need this set.
-    CLEAR_RECT: true,
-
-    //  If true Pixi will Math.floor() x/y values when rendering, stopping pixel interpolation. Handy for crisp pixel art and speed on legacy devices.
-    PX_ROUND: false
-}
-
 // interaction frequency 
 PIXI.INTERACTION_FREQUENCY = 30;
 PIXI.AUTO_PREVENT_DEFAULT = true;

src/pixi/display/Sprite.js

@@ -345,7 +345,7 @@ PIXI.Sprite.prototype._renderCanvas = function(renderSession)
 
         // allow for trimming
        
-        if (PIXI.canvas.PX_ROUND)
+        if (renderSession.roundPixels)
         {
             context.setTransform(transform.a, transform.c, transform.b, transform.d, Math.floor(transform.tx), Math.floor(transform.ty));
         }

src/pixi/display/SpriteBatch.js

@@ -91,7 +91,7 @@ PIXI.SpriteBatch.prototype._renderCanvas = function(renderSession)
 
     // alow for trimming
        
-    if (PIXI.canvas.PX_ROUND)
+    if (renderSession.roundPixels)
     {
         context.setTransform(transform.a, transform.c, transform.b, transform.d, Math.floor(transform.tx), Math.floor(transform.ty));
     }

src/pixi/renderers/canvas/CanvasRenderer.js

@@ -19,6 +19,35 @@ PIXI.CanvasRenderer = function(width, height, view, transparent)
 
     this.type = PIXI.CANVAS_RENDERER;
 
+    /**
+     * If the Stage is NOT transparent Pixi will use a canvas sized fillRect operation every frame to set the canvas background color.
+     * Disable this by setting this to false. For example if your game has a canvas filling background image you often don't need this set.
+     *
+     * @property useFillRect
+     * @type Boolean
+     * @default
+     */
+    this.useFillRect = true;
+
+    /**
+     * If the Stage is transparent Pixi will use clearRect to clear the canvas every frame.
+     * Disable this by setting this to false. For example if your game has a canvas filling background image you often don't need this set.
+     *
+     * @property useClearRect
+     * @type Boolean
+     * @default
+     */
+    this.useClearRect = true;
+
+    /**
+     * If true Pixi will Math.floor() x/y values when rendering, stopping pixel interpolation.
+     * Handy for crisp pixel art and speed on legacy devices.
+     *
+     * @property roundPixels
+     * @type Boolean
+     * @default
+     */
+    this.roundPixels = false;
 
     /**
      * Whether the render view is transparent
@@ -165,12 +194,12 @@ PIXI.CanvasRenderer.prototype.render = function(stage)
     this.context.setTransform(1,0,0,1,0,0);
     this.context.globalAlpha = 1;
 
-    if (!this.transparent && PIXI.canvas.FILL_RECT)
+    if (!this.transparent && this.useFillRect)
     {
         this.context.fillStyle = stage.backgroundColorString;
         this.context.fillRect(0, 0, this.width, this.height);
     }
-    else if (this.transparent && PIXI.canvas.CLEAR_RECT)
+    else if (this.transparent && this.useClearRect)
     {
         this.context.clearRect(0, 0, this.width, this.height);
     }