var Class = require('../../utils/Class'); 
var BitmapMask = new Class({ 
initialize: function BitmapMask(scene, renderable){ 
var renderer = scene.sys.game.renderer; 
var resourceManager = renderer.resourceManager; 
this.bitmapMask = renderable; 
this.maskRenderTarget = null ; 
this.mainRenderTarget = null ; 
this.maskTexture = null ; 
this.mainTexture = null ; 
this.dirty = true ; 
if (resourceManager !== undefined) { 
var width = renderer.width; 
var height = renderer.height; 
var pot = ((width & (width - 1)) == 0 && (height & (height - 1)) == 0); 
var gl = renderer.gl; 
var wrap = pot? gl.REPEAT: gl.CLAMP_TO_EDGE; 
this.maskTexture = resourceManager.createTexture(0, gl.LINEAR, gl.LINEAR, wrap, wrap, gl.RGBA, null , width, height); 
this.mainTexture = resourceManager.createTexture(0, gl.LINEAR, gl.LINEAR, wrap, wrap, gl.RGBA, null , width, height); 
this.maskRenderTarget = resourceManager.createRenderTarget(width, height, this.maskTexture, null ); 
this.mainRenderTarget = resourceManager.createRenderTarget(width, height, this.mainTexture, null ); 
scene.sys.game.renderer.currentTexture[0] = null ; 
} 
var _this = this; 
renderer.addContextRestoredCallback(function (renderer){ 
var resourceManager = renderer.resourceManager; 
var gl = renderer.gl; 
var wrap = pot? gl.REPEAT: gl.CLAMP_TO_EDGE; 
_this.maskTexture = resourceManager.createTexture(0, gl.LINEAR, gl.LINEAR, wrap, wrap, gl.RGBA, null , width, height); 
_this.mainTexture = resourceManager.createTexture(0, gl.LINEAR, gl.LINEAR, wrap, wrap, gl.RGBA, null , width, height); 
_this.maskRenderTarget = resourceManager.createRenderTarget(width, height, _this.maskTexture, null ); 
_this.mainRenderTarget = resourceManager.createRenderTarget(width, height, _this.mainTexture, null ); 
scene.sys.game.renderer.currentTexture[0] = null ; 
} 
); 
} 
,
setBitmap: function (renderable){ 
this.bitmapMask = renderable; 
} 
,
preRenderWebGL: function (renderer, gameObject, camera){ 
var bitmapMask = this.bitmapMask; 
var maskRenderTarget = this.maskRenderTarget; 
var mainRenderTarget = this.mainRenderTarget; 
if (bitmapMask) { 
var gl = renderer.gl; 
gl.clearColor(0, 0, 0, 0); 
gl.bindFramebuffer(gl.FRAMEBUFFER, maskRenderTarget.framebufferObject); 
_AN_Call_clear('clear', gl, gl.COLOR_BUFFER_BIT); 
gl.bindFramebuffer(gl.FRAMEBUFFER, mainRenderTarget.framebufferObject); 
_AN_Call_clear('clear', gl, gl.COLOR_BUFFER_BIT); 
gl.bindFramebuffer(gl.FRAMEBUFFER, null ); 
bitmapMask.renderTarget = maskRenderTarget; 
bitmapMask.renderWebGL(renderer, bitmapMask, 0, camera); 
renderer.currentRenderer.flush(null , maskRenderTarget); 
bitmapMask.renderTarget = null ; 
gameObject.renderTarget = this.mainRenderTarget; 
} 
} 
,
postRenderWebGL: function (renderer, gameObject){ 
var maskRenderer = renderer.maskRenderer; 
renderer.currentRenderer.flush(null , this.mainRenderTarget); 
gameObject.renderTarget = null ; 
maskRenderer.draw(null , null , this.mainTexture, this.maskTexture); 
} 
}
); 
module.exports = BitmapMask;