var CanvasInterpolation = require('../display/canvas/CanvasInterpolation'); 
var CanvasPool = require('../display/canvas/CanvasPool'); 
var CONST = require('../const'); 
var Features = require('../device/Features'); 
var CreateRenderer = function (game){ 
var config = game.config; 
if ((config.customEnvironment || config.canvas) && config.renderType === CONST.AUTO) { 
throw new Error('Must set explicit renderType in custom environment')
} 
if (!config.customEnvironment && !config.canvas && config.renderType !== CONST.HEADLESS) { 
if (config.renderType === CONST.CANVAS || (config.renderType !== CONST.CANVAS && !Features.webGL)) { 
if (Features.canvas) { 
config.renderType = CONST.CANVAS; 
} 
 else { 
throw new Error('Cannot create Canvas or WebGL context, aborting.')
} 
} 
 else { 
config.renderType = CONST.WEBGL; 
} 
} 
if (!config.antialias) { 
CanvasPool.disableSmoothing(); 
} 
var baseSize = game.scale.baseSize; 
var width = baseSize.width; 
var height = baseSize.height; 
if (config.canvas) { 
game.canvas = config.canvas; 
game.canvas.width = width; 
game.canvas.height = height; 
} 
 else { 
game.canvas = CanvasPool.create(game, width, height, config.renderType); 
} 
if (config.canvasStyle) { 
game.canvas.style = config.canvasStyle; 
} 
if (!config.antialias) { 
CanvasInterpolation.setCrisp(game.canvas); 
} 
if (config.renderType === CONST.HEADLESS) { 
return ; 
} 
var CanvasRenderer; 
var WebGLRenderer; 
if (typeof WEBGL_RENDERER && typeof CANVAS_RENDERER) { 
CanvasRenderer = require('../renderer/canvas/CanvasRenderer'); 
WebGLRenderer = require('../renderer/webgl/WebGLRenderer'); 
if (config.renderType === CONST.WEBGL) { 
game.renderer = new WebGLRenderer(game); 
} 
 else { 
game.renderer = new CanvasRenderer(game); 
game.context = game.renderer.gameContext; 
} 
} 
if (typeof WEBGL_RENDERER && !typeof CANVAS_RENDERER) { 
WebGLRenderer = require('../renderer/webgl/WebGLRenderer'); 
config.renderType = CONST.WEBGL; 
game.renderer = new WebGLRenderer(game); 
} 
if (!typeof WEBGL_RENDERER && typeof CANVAS_RENDERER) { 
CanvasRenderer = require('../renderer/canvas/CanvasRenderer'); 
config.renderType = CONST.CANVAS; 
game.renderer = new CanvasRenderer(game); 
game.context = game.renderer.gameContext; 
} 
} 
; 
module.exports = CreateRenderer;