this.renderSession.resolution=this.resolution,this.initContext(),this.mapBlendModes()},b.WebGLRenderer.prototype.constructor=b.WebGLRenderer,b.WebGLRenderer.prototype.initContext=function(){vara=this.view.getContext("webgl",this._contextOptions)||this.view.getContext("experimental-webgl",this._contextOptions);if(this.gl=a,!a)thrownewError("This browser does not support webGL. Try using the canvas renderer");this.glContextId=a.id=b.WebGLRenderer.glContextId++,b.glContexts[this.glContextId]=a,b.instances[this.glContextId]=this,a.disable(a.DEPTH_TEST),a.disable(a.CULL_FACE),a.enable(a.BLEND),this.shaderManager.setContext(a),this.spriteBatch.setContext(a),this.maskManager.setContext(a),this.filterManager.setContext(a),this.blendModeManager.setContext(a),this.stencilManager.setContext(a),this.renderSession.gl=this.gl,this.resize(this.width,this.height)},b.WebGLRenderer.prototype.render=function(a){if(!this.contextLost){varb=this.gl;b.viewport(0,0,this.width,this.height),b.bindFramebuffer(b.FRAMEBUFFER,null),this.game.clearBeforeRender&&(b.clearColor(a._bgColor.r,a._bgColor.g,a._bgColor.b,a._bgColor.a),b.clear(b.COLOR_BUFFER_BIT)),this.offset.x=this.game.camera._shake.x,this.offset.y=this.game.camera._shake.y,this.renderDisplayObject(a,this.projection)}},b.WebGLRenderer.prototype.renderDisplayObject=function(a,c,d,e){this.renderSession.blendModeManager.setBlendMode(b.blendModes.NORMAL),this.renderSession.drawCount=0,this.renderSession.flipY=d?-1:1,this.renderSession.projection=c,this.renderSession.offset=this.offset,this.spriteBatch.begin(this.renderSession),this.filterManager.begin(this.renderSession,d),a._renderWebGL(this.renderSession,e),this.spriteBatch.end()},b.WebGLRenderer.prototype.resize=function(a,b){this.width=a*this.resolution,this.height=b*this.resolution,this.view.width=this.width,this.view.height=this.height,this.autoResize&&(this.view.style.width=this.width/this.resolution+"px",this.view.style.height=this.height/this.resolution+"px"),this.gl.viewport(0,0,this.width,this.height),this.projection.x=this.width/2/this.resolution,this.projection.y=-this.height/2/this.resolution},b.WebGLRenderer.prototype.updateTexture=function(a){if(!a.hasLoaded)return!1;varc=this.gl;returna._glTextures[c.id]||(a._glTextures[c.id]=c.createTexture()),c.bindTexture(c.TEXTURE_2D,a._glTextures[c.id]),c.pixelStorei(c.UNPACK_PREMULTIPLY_ALPHA_WEBGL,a.premultipliedAlpha),c.texImage2D(c.TEXTURE_2D,0,c.RGBA,c.RGBA,c.UNSIGNED_BYTE,a.source),c.texParameteri(c.TEXTURE_2D,c.TEXTURE_MAG_FILTER,a.scaleMode===b.scaleModes.LINEAR?c.LINEAR:c.NEAREST),a.mipmap&&b.isPowerOfTwo(a.width,a.height)?(c.texParameteri(c.TEXTURE_2D,c.TEXTURE_MIN_FILTER,a.scaleMode===b.scaleModes.LINEAR?c.LINEAR_MIPMAP_LINEAR:c.NEAREST_MIPMAP_NEAREST),c.generateMipmap(c.TEXTURE_2D)):c.texParameteri(c.TEXTURE_2D,c.TEXTURE_MIN_FILTER,a.scaleMode===b.scaleModes.LINEAR?c.LINEAR:c.NEAREST),a._powerOf2?(c.texParameteri(c.TEXTURE_2D,c.TEXTURE_WRAP_S,c.REPEAT),c.texParameteri(c.TEXTURE_2D,c.TEXTURE_WRAP_T,c.REPEAT)):(c.texParameteri(c.TEXTURE_2D,c.TEXTURE_WRAP_S,c.CLAMP_TO_EDGE),c.texParameteri(c.TEXTURE_2D,c.TEXTURE_WRAP_T,c.CLAMP_TO_EDGE)),a._dirty[c.id]=!1,!0},b.WebGLRenderer.prototype.destroy=function(){b.glContexts[this.glContextId]=null,this.projection=null,this.offset=null,this.shaderManager.destroy(),this.spriteBatch.destroy(),this.maskManager.destroy(),this.filterManager.destroy(),this.shaderManager=null,this.spriteBatch=null,this.maskManager=null,this.filterManager=null,this.gl=null,this.renderSession=null,b.CanvasPool.remove(this),b.instances[this.glContextId]=null,b.WebGLRenderer.glContextId--},b.WebGLRenderer.prototype.mapBlendModes=function(){vara=this.gl;if(!b.blendModesWebGL){varc=[],d=b.blendModes;c[d.NORMAL]=[a.ONE,a.ONE_MINUS_SRC_ALPHA],c[d.ADD]=[a.SRC_ALPHA,a.DST_ALPHA],c[d.MULTIPLY]=[a.DST_COLOR,a.ONE_MINUS_SRC_ALPHA],c[d.SCREEN]=[a.SRC_ALPHA,a.ONE],c[d.OVERLAY]=[a.ONE,a.ONE_MINUS_SRC_ALPHA],c[d.DARKEN]=[a.ONE,a.ONE_MINUS_SRC_ALPHA],c[d.LIGHTEN]=[a.ONE,a.ONE_MINUS_SRC_ALPHA],c[d.COLOR_DODGE]=[a.ONE,a.ONE_MINUS_SRC_ALPHA],c[d.COLOR_BURN]=[a.ONE,a.ONE_MINUS_S