2016-12-05 10:06:09 +00:00
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< a href = "PIXI.PIXI.html" > PIXI< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.PixiFastShader.html" > PixiFastShader< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.PixiShader.html" > PixiShader< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.PrimitiveShader.html" > PrimitiveShader< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.Sprite.html" > Sprite< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.StripShader.html" > StripShader< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.Texture.html" > Texture< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.WebGLBlendModeManager.html" > WebGLBlendModeManager< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.WebGLFastSpriteBatch.html" > WebGLFastSpriteBatch< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.WebGLFilterManager.html" > WebGLFilterManager< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.WebGLRenderer.html" > WebGLRenderer< / a >
< / li >
< / ul >
< / li >
< li class = "dropdown" >
< a href = "global.html" class = "dropdown-toggle" data-toggle = "dropdown" > Global< b
class="caret">< / b > < / a >
< ul class = "dropdown-menu " >
< li class = "class-depth-0" >
< a href = "global.html#ANGLE_DOWN" > ANGLE_DOWN< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#ANGLE_LEFT" > ANGLE_LEFT< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#ANGLE_NORTH_EAST" > ANGLE_NORTH_EAST< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#ANGLE_NORTH_WEST" > ANGLE_NORTH_WEST< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#ANGLE_RIGHT" > ANGLE_RIGHT< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#ANGLE_SOUTH_EAST" > ANGLE_SOUTH_EAST< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#ANGLE_SOUTH_WEST" > ANGLE_SOUTH_WEST< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#ANGLE_UP" > ANGLE_UP< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#arc" > arc< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#AUTO" > AUTO< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#beginFill" > beginFill< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#bezierCurveTo" > bezierCurveTo< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#BITMAPDATA" > BITMAPDATA< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#BITMAPTEXT" > BITMAPTEXT< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#blendModes" > blendModes< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#BOTTOM_CENTER" > BOTTOM_CENTER< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#BOTTOM_LEFT" > BOTTOM_LEFT< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#BOTTOM_RIGHT" > BOTTOM_RIGHT< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#BUTTON" > BUTTON< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#CANVAS" > CANVAS< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#CANVAS_FILTER" > CANVAS_FILTER< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#CENTER" > CENTER< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#CIRCLE" > CIRCLE< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#clear" > clear< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#CREATURE" > CREATURE< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#destroyCachedSprite" > destroyCachedSprite< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#displayList" > displayList< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#DOWN" > DOWN< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#drawCircle" > drawCircle< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#drawEllipse" > drawEllipse< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#drawPolygon" > drawPolygon< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#drawRect" > drawRect< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#drawRoundedRect" > drawRoundedRect< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#drawShape" > drawShape< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#ELLIPSE" > ELLIPSE< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#emit" > emit< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#EMITTER" > EMITTER< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#endFill" > endFill< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#GAMES" > GAMES< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#generateTexture" > generateTexture< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#getBounds" > getBounds< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#getLocalBounds" > getLocalBounds< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#GRAPHICS" > GRAPHICS< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#GROUP" > GROUP< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#HEADLESS" > HEADLESS< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#HORIZONTAL" > HORIZONTAL< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#IMAGE" > IMAGE< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#LANDSCAPE" > LANDSCAPE< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#LEFT" > LEFT< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#LEFT_BOTTOM" > LEFT_BOTTOM< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#LEFT_CENTER" > LEFT_CENTER< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#LEFT_TOP" > LEFT_TOP< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#LINE" > LINE< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#lineStyle" > lineStyle< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#lineTo" > lineTo< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#listeners" > listeners< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#MATRIX" > MATRIX< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#mixin" > mixin< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#moveTo" > moveTo< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#NONE" > NONE< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#off" > off< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#on" > on< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#once" > once< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#PENDING_ATLAS" > PENDING_ATLAS< / a >
< / li >
< li class = "class-depth-2" >
< a href = "global.html#Phaser.Path#numPointsreturn%257Bnumber%257DThetotalnumberofPathPointsinthisPath." > Phaser.Path#numPoints
return {number} The total number of PathPoints in this Path.< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#POINT" > POINT< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#POINTER" > POINTER< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#POLYGON" > POLYGON< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#PORTRAIT" > PORTRAIT< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#quadraticCurveTo" > quadraticCurveTo< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#RECTANGLE" > RECTANGLE< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#removeAllListeners" > removeAllListeners< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#RENDERTEXTURE" > RENDERTEXTURE< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#RETROFONT" > RETROFONT< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#RIGHT" > RIGHT< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#RIGHT_BOTTOM" > RIGHT_BOTTOM< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#RIGHT_CENTER" > RIGHT_CENTER< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#RIGHT_TOP" > RIGHT_TOP< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#ROPE" > ROPE< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#ROUNDEDRECTANGLE" > ROUNDEDRECTANGLE< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#scaleModes" > scaleModes< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#SPRITE" > SPRITE< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#SPRITEBATCH" > SPRITEBATCH< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#stopImmediatePropagation" > stopImmediatePropagation< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#stopPropagation" > stopPropagation< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#TEXT" > TEXT< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#TILEMAP" > TILEMAP< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#TILEMAPLAYER" > TILEMAPLAYER< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#TILESPRITE" > TILESPRITE< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#TOP_CENTER" > TOP_CENTER< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#TOP_LEFT" > TOP_LEFT< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#TOP_RIGHT" > TOP_RIGHT< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#UP" > UP< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#updateLocalBounds" > updateLocalBounds< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#VERSION" > VERSION< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#VERTICAL" > VERTICAL< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#VIDEO" > VIDEO< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#WEBGL" > WEBGL< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#WEBGL_FILTER" > WEBGL_FILTER< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#WEBGL_MULTI" > WEBGL_MULTI< / a >
< / li >
< / ul >
< / li >
< li class = "dropdown" >
< a href = "#" class = "dropdown-toggle" data-toggle = "dropdown" > Core< b class = "caret" > < / b > < / a >
< ul class = "dropdown-menu " >
< li class = "class-depth-1" > < a href = "Phaser.Game.html" > Game< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Group.html" > Group< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.World.html" > World< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Loader.html" > Loader< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Cache.html" > Cache< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Time.html" > Time< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Camera.html" > Camera< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.StateManager.html" > State Manager< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.TweenManager.html" > Tween Manager< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.SoundManager.html" > Sound Manager< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Input.html" > Input Manager< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.ScaleManager.html" > Scale Manager< / a > < / li >
< / ul >
< / li >
< li class = "dropdown" >
< a href = "#" class = "dropdown-toggle" data-toggle = "dropdown" > Game Objects< b class = "caret" > < / b > < / a >
< ul class = "dropdown-menu " >
< li class = "class-depth-1" > < a href = "Phaser.GameObjectFactory.html" > Factory (game.add)< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.GameObjectCreator.html" > Creator (game.make)< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Sprite.html" > Sprite< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Image.html" > Image< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Sound.html" > Sound< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Video.html" > Video< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Particles.Arcade.Emitter.html" > Particle Emitter< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Particle.html" > Particle< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Text.html" > Text< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Tween.html" > Tween< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.BitmapText.html" > BitmapText< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Tilemap.html" > Tilemap< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.BitmapData.html" > BitmapData< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.RetroFont.html" > RetroFont< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Button.html" > Button< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Animation.html" > Animation< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Graphics.html" > Graphics< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.RenderTexture.html" > RenderTexture< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.TileSprite.html" > TileSprite< / a > < / li >
< / ul >
< / li >
< li class = "dropdown" >
< a href = "#" class = "dropdown-toggle" data-toggle = "dropdown" > Geometry< b class = "caret" > < / b > < / a >
< ul class = "dropdown-menu " >
< li class = "class-depth-1" > < a href = "Phaser.Circle.html" > Circle< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Ellipse.html" > Ellipse< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Line.html" > Line< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Matrix.html" > Matrix< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Point.html" > Point< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Polygon.html" > Polygon< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Rectangle.html" > Rectangle< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.RoundedRectangle.html" > Rounded Rectangle< / a > < / li >
< / ul >
< / li >
< li class = "dropdown" >
< a href = "#" class = "dropdown-toggle" data-toggle = "dropdown" > Physics< b class = "caret" > < / b > < / a >
< ul class = "dropdown-menu " >
< li class = "class-depth-1" > < a href = "Phaser.Physics.Arcade.html" > Arcade Physics< / a > < / li >
< li class = "class-depth-2" > < a href = "Phaser.Physics.Arcade.Body.html" > Body< / a > < / li >
< li class = "class-depth-2" > < a href = "Phaser.Weapon.html" > Weapon< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Physics.P2.html" > P2 Physics< / a > < / li >
< li class = "class-depth-2" > < a href = "Phaser.Physics.P2.Body.html" > Body< / a > < / li >
< li class = "class-depth-2" > < a href = "Phaser.Physics.P2.Spring.html" > Spring< / a > < / li >
< li class = "class-depth-2" > < a href = "Phaser.Physics.P2.CollisionGroup.html" > CollisionGroup< / a > < / li >
< li class = "class-depth-2" > < a href = "Phaser.Physics.P2.ContactMaterial.html" > ContactMaterial< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Physics.Ninja.html" > Ninja Physics< / a > < / li >
< li class = "class-depth-2" > < a href = "Phaser.Physics.Body.html" > Body< / a > < / li >
< / ul >
< / li >
< li class = "dropdown" >
< a href = "#" class = "dropdown-toggle" data-toggle = "dropdown" > Input< b class = "caret" > < / b > < / a >
< ul class = "dropdown-menu " >
< li class = "class-depth-1" > < a href = "Phaser.InputHandler.html" > Input Handler< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Pointer.html" > Pointer< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.DeviceButton.html" > Device Button< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Mouse.html" > Mouse< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Keyboard.html" > Keyboard< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Key.html" > Key< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.KeyCode.html" > Key Codes< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Gamepad.html" > Gamepad< / a > < / li >
< / ul >
< / li >
< li class = "dropdown" >
< a href = "#" class = "dropdown-toggle" data-toggle = "dropdown" > Community< b class = "caret" > < / b > < / a >
< ul class = "dropdown-menu " >
< li class = "class-depth-1" > < a href = "http://phaser.io" > Phaser Web Site< / a > < / li >
< li class = "class-depth-1" > < a href = "https://github.com/photonstorm/phaser" > Phaser Github< / a > < / li >
< li class = "class-depth-1" > < a href = "http://phaser.io/examples" > Phaser Examples< / a > < / li >
< li class = "class-depth-1" > < a href = "https://github.com/photonstorm/phaser-plugins" > Phaser Plugins< / a > < / li >
< li class = "class-depth-1" > < a href = "http://www.html5gamedevs.com/forum/14-phaser/" > Forum< / a > < / li >
< li class = "class-depth-1" > < a href = "http://stackoverflow.com/questions/tagged/phaser-framework" > Stack Overflow< / a > < / li >
< li class = "class-depth-1" > < a href = "http://phaser.io/learn" > Tutorials< / a > < / li >
< li class = "class-depth-1" > < a href = "http://phaser.io/community/newsletter" > Newsletter< / a > < / li >
< li class = "class-depth-1" > < a href = "http://phaser.io/community/twitter" > Twitter< / a > < / li >
< li class = "class-depth-1" > < a href = "http://phaser.io/community/slack" > Slack< / a > < / li >
< li class = "class-depth-1" > < a href = "http://phaser.io/community/donate" > Donate< / a > < / li >
< li class = "class-depth-1" > < a href = "https://www.codeandweb.com/texturepacker/phaser" > Texture Packer< / a > < / li >
< / ul >
< / li >
< / ul >
< / div >
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< h1 class = "page-title" > Source: src/pixi/renderers/webgl/WebGLRenderer.js< / h1 >
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< pre class = "sunlight-highlight-javascript linenums" > /**
* @author Mat Groves http://matgroves.com/ @Doormat23
*/
PIXI.glContexts = []; // this is where we store the webGL contexts for easy access.
PIXI.instances = [];
PIXI._enableMultiTextureToggle = false;
/**
* The WebGLRenderer draws the stage and all its content onto a webGL enabled canvas. This renderer
* should be used for browsers that support webGL. This Render works by automatically managing webGLBatchs.
* So no need for Sprite Batches or Sprite Clouds.
* Don't forget to add the view to your DOM or you will not see anything :)
*
* @class WebGLRenderer
* @constructor
* @param game {Phaser.Game} A reference to the Phaser Game instance
*/
PIXI.WebGLRenderer = function(game) {
/**
* @property {Phaser.Game} game - A reference to the Phaser Game instance.
*/
this.game = game;
if (!PIXI.defaultRenderer)
{
PIXI.defaultRenderer = this;
}
this.extensions = {};
/**
* @property type
* @type Number
*/
this.type = Phaser.WEBGL;
/**
* The resolution of the renderer
*
* @property resolution
* @type Number
* @default 1
*/
this.resolution = game.resolution;
/**
* Whether the render view is transparent
*
* @property transparent
* @type Boolean
*/
this.transparent = game.transparent;
/**
* Whether the render view should be resized automatically
*
* @property autoResize
* @type Boolean
*/
this.autoResize = false;
/**
* The value of the preserveDrawingBuffer flag affects whether or not the contents of the stencil buffer is retained after rendering.
*
* @property preserveDrawingBuffer
* @type Boolean
*/
this.preserveDrawingBuffer = game.preserveDrawingBuffer;
/**
* This sets if the WebGLRenderer will clear the context texture or not before the new render pass. If true:
* If the Stage is NOT transparent, Pixi will clear to alpha (0, 0, 0, 0).
* If the Stage is transparent, Pixi will clear to the target Stage's 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 clearBeforeRender
* @type Boolean
* @default
*/
this.clearBeforeRender = game.clearBeforeRender;
/**
* The width of the canvas view
*
* @property width
* @type Number
*/
this.width = game.width;
/**
* The height of the canvas view
*
* @property height
* @type Number
*/
this.height = game.height;
/**
* The canvas element that everything is drawn to
*
* @property view
* @type HTMLCanvasElement
*/
this.view = game.canvas;
/**
* @property _contextOptions
* @type Object
* @private
*/
this._contextOptions = {
alpha: this.transparent,
antialias: game.antialias,
premultipliedAlpha: this.transparent & & this.transparent !== 'notMultiplied',
stencil: true,
preserveDrawingBuffer: this.preserveDrawingBuffer
};
/**
* @property projection
* @type Point
*/
this.projection = new PIXI.Point();
/**
* @property offset
* @type Point
*/
this.offset = new PIXI.Point();
// time to create the render managers! each one focuses on managing a state in webGL
/**
* Deals with managing the shader programs and their attribs
* @property shaderManager
* @type WebGLShaderManager
*/
this.shaderManager = new PIXI.WebGLShaderManager();
/**
* Manages the rendering of sprites
* @property spriteBatch
* @type WebGLSpriteBatch
*/
this.spriteBatch = new PIXI.WebGLSpriteBatch(game);
/**
* Manages the masks using the stencil buffer
* @property maskManager
* @type WebGLMaskManager
*/
this.maskManager = new PIXI.WebGLMaskManager();
/**
* Manages the filters
* @property filterManager
* @type WebGLFilterManager
*/
this.filterManager = new PIXI.WebGLFilterManager();
/**
* Manages the stencil buffer
* @property stencilManager
* @type WebGLStencilManager
*/
this.stencilManager = new PIXI.WebGLStencilManager();
/**
* Manages the blendModes
* @property blendModeManager
* @type WebGLBlendModeManager
*/
this.blendModeManager = new PIXI.WebGLBlendModeManager();
/**
* @property renderSession
* @type Object
*/
this.renderSession = {};
/**
* @property currentBatchedTextures
* @type Array
*/
this.currentBatchedTextures = [];
// Needed?
this.renderSession.game = this.game;
this.renderSession.gl = this.gl;
this.renderSession.drawCount = 0;
this.renderSession.shaderManager = this.shaderManager;
this.renderSession.maskManager = this.maskManager;
this.renderSession.filterManager = this.filterManager;
this.renderSession.blendModeManager = this.blendModeManager;
this.renderSession.spriteBatch = this.spriteBatch;
this.renderSession.stencilManager = this.stencilManager;
this.renderSession.renderer = this;
this.renderSession.resolution = this.resolution;
// time init the context..
this.initContext();
// map some webGL blend modes..
this.mapBlendModes();
};
// constructor
PIXI.WebGLRenderer.prototype.constructor = PIXI.WebGLRenderer;
/**
* @method initContext
*/
PIXI.WebGLRenderer.prototype.initContext = function()
{
var gl = this.view.getContext('webgl', this._contextOptions) || this.view.getContext('experimental-webgl', this._contextOptions);
this.gl = gl;
if (!gl) {
// fail, not able to get a context
throw new Error('This browser does not support webGL. Try using the canvas renderer');
}
this.maxTextures = gl.getParameter(gl.MAX_TEXTURE_IMAGE_UNITS);
this.glContextId = gl.id = PIXI.WebGLRenderer.glContextId++;
PIXI.glContexts[this.glContextId] = gl;
PIXI.instances[this.glContextId] = this;
// set up the default pixi settings..
gl.disable(gl.DEPTH_TEST);
gl.disable(gl.CULL_FACE);
gl.enable(gl.BLEND);
// need to set the context for all the managers...
this.shaderManager.setContext(gl);
this.spriteBatch.setContext(gl);
this.maskManager.setContext(gl);
this.filterManager.setContext(gl);
this.blendModeManager.setContext(gl);
this.stencilManager.setContext(gl);
this.renderSession.gl = this.gl;
// now resize and we are good to go!
this.resize(this.width, this.height);
// Load WebGL extension
this.extensions.compression = {};
etc1 = gl.getExtension('WEBGL_compressed_texture_etc1') || gl.getExtension('WEBKIT_WEBGL_compressed_texture_etc1');
pvrtc = gl.getExtension('WEBGL_compressed_texture_pvrtc') || gl.getExtension('WEBKIT_WEBGL_compressed_texture_pvrtc');
s3tc = gl.getExtension('WEBGL_compressed_texture_s3tc') || gl.getExtension('WEBKIT_WEBGL_compressed_texture_s3tc');
if (etc1) this.extensions.compression.ETC1 = etc1;
if (pvrtc) this.extensions.compression.PVRTC = pvrtc;
if (s3tc) this.extensions.compression.S3TC = s3tc;
};
/**
* If Multi Texture support has been enabled, then calling this method will enable batching on the given
* textures. The texture collection is an array of keys, that map to Phaser.Cache image entries.
*
* The number of textures that can be batched is dependent on hardware. If you provide more textures
* than can be batched by the GPU, then only those at the start of the array will be used. Generally
* you shouldn't provide more than 16 textures to this method. You can check the hardware limit via the
* `maxTextures` property.
*
* You can also check the property `currentBatchedTextures` at any time, to see which textures are currently
* being batched.
*
* To stop all textures from being batched, call this method again with an empty array.
*
* To change the textures being batched, call this method with a new array of image keys. The old ones
* will all be purged out and no-longer batched, and the new ones enabled.
*
* Note: Throws a warning if you haven't enabled Multiple Texture batching support in the Phaser Game config.
*
* @method setTexturePriority
* @param textureNameCollection {Array} An Array of Texture Cache keys to use for multi-texture batching.
* @return {Array} An array containing the texture keys that were enabled for batching.
*/
PIXI.WebGLRenderer.prototype.setTexturePriority = function (textureNameCollection) {
if (!PIXI._enableMultiTextureToggle)
{
console.warn('setTexturePriority error: Multi Texture support hasn\'t been enabled in the Phaser Game Config.');
return;
}
var maxTextures = this.maxTextures;
var imageCache = this.game.cache._cache.image;
var imageName = null;
var gl = this.gl;
// Clear out all previously batched textures and reset their flags.
// If the array has been modified, then the developer will have to
// deal with that in their own way.
for (var i = 0; i < this.currentBatchedTextures.length; i++)
{
imageName = textureNameCollection[index];
if (!(imageName in imageCache))
{
continue;
}
imageCache[imageName].base.textureIndex = 0;
}
this.currentBatchedTextures.length = 0;
// We start from 1 because framebuffer texture uses unit 0.
for (var index = 0; index < textureNameCollection.length; ++index)
{
imageName = textureNameCollection[index];
if (!(imageName in imageCache))
{
continue;
}
if (index + 1 < maxTextures)
{
imageCache[imageName].base.textureIndex = index + 1;
}
else
{
imageCache[imageName].base.textureIndex = maxTextures - 1;
}
this.currentBatchedTextures.push(imageName);
}
return this.currentBatchedTextures;
};
/**
* Renders the stage to its webGL view
*
* @method render
* @param stage {Stage} the Stage element to be rendered
*/
PIXI.WebGLRenderer.prototype.render = function(stage)
{
// no point rendering if our context has been blown up!
if (this.contextLost)
{
return;
}
var gl = this.gl;
// -- Does this need to be set every frame? -- //
gl.viewport(0, 0, this.width, this.height);
// make sure we are bound to the main frame buffer
gl.bindFramebuffer(gl.FRAMEBUFFER, null);
if (this.game.clearBeforeRender)
{
gl.clearColor(stage._bgColor.r, stage._bgColor.g, stage._bgColor.b, stage._bgColor.a);
gl.clear(gl.COLOR_BUFFER_BIT);
}
this.offset.x = this.game.camera._shake.x;
this.offset.y = this.game.camera._shake.y;
this.renderDisplayObject(stage, this.projection);
};
/**
* Renders a Display Object.
*
* @method renderDisplayObject
* @param displayObject {DisplayObject} The DisplayObject to render
* @param projection {Point} The projection
* @param buffer {Array} a standard WebGL buffer
*/
PIXI.WebGLRenderer.prototype.renderDisplayObject = function(displayObject, projection, buffer, matrix)
{
this.renderSession.blendModeManager.setBlendMode(PIXI.blendModes.NORMAL);
// reset the render session data..
this.renderSession.drawCount = 0;
// make sure to flip the Y if using a render texture..
this.renderSession.flipY = buffer ? -1 : 1;
// set the default projection
this.renderSession.projection = projection;
//set the default offset
this.renderSession.offset = this.offset;
// start the sprite batch
this.spriteBatch.begin(this.renderSession);
// start the filter manager
this.filterManager.begin(this.renderSession, buffer);
// render the scene!
displayObject._renderWebGL(this.renderSession, matrix);
// finish the sprite batch
this.spriteBatch.end();
};
/**
* Resizes the webGL view to the specified width and height.
*
* @method resize
* @param width {Number} the new width of the webGL view
* @param height {Number} the new height of the webGL view
*/
PIXI.WebGLRenderer.prototype.resize = function(width, height)
{
this.width = width * this.resolution;
this.height = height * this.resolution;
this.view.width = this.width;
this.view.height = this.height;
if (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;
};
/**
* Updates and creates a WebGL compressed texture for the renderers context.
*
* @method updateCompressedTexture
* @param texture {Texture} the texture to update
* @return {boolean} True if the texture was successfully bound, otherwise false.
*/
PIXI.WebGLRenderer.prototype.updateCompressedTexture = function (texture) {
if (!texture.hasLoaded)
{
return false;
}
var gl = this.gl;
var textureMetaData = texture.source;
if (!texture._glTextures[gl.id])
{
texture._glTextures[gl.id] = gl.createTexture();
}
gl.activeTexture(gl.TEXTURE0 + texture.textureIndex);
gl.bindTexture(gl.TEXTURE_2D, texture._glTextures[gl.id]);
gl.compressedTexImage2D(
gl.TEXTURE_2D,
0,
textureMetaData.glExtensionFormat,
textureMetaData.width,
textureMetaData.height,
0,
textureMetaData.textureData
);
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, texture.scaleMode === PIXI.scaleModes.LINEAR ? gl.LINEAR : gl.NEAREST);
if (texture.mipmap & & Phaser.Math.isPowerOfTwo(texture.width, texture.height))
{
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, texture.scaleMode === PIXI.scaleModes.LINEAR ? gl.LINEAR_MIPMAP_LINEAR : gl.NEAREST_MIPMAP_NEAREST);
gl.generateMipmap(gl.TEXTURE_2D);
}
else
{
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, texture.scaleMode === PIXI.scaleModes.LINEAR ? gl.LINEAR : gl.NEAREST);
}
if (!texture._powerOf2)
{
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);
}
else
{
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.REPEAT);
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.REPEAT);
}
texture._dirty[gl.id] = false;
return true;
};
/**
* Updates and Creates a WebGL texture for the renderers context.
*
* @method updateTexture
* @param texture {Texture} the texture to update
* @return {boolean} True if the texture was successfully bound, otherwise false.
*/
PIXI.WebGLRenderer.prototype.updateTexture = function(texture)
{
if (!texture.hasLoaded)
{
return false;
}
if (texture.source.compressionAlgorithm) {
return this.updateCompressedTexture(texture);
}
var gl = this.gl;
if (!texture._glTextures[gl.id])
{
texture._glTextures[gl.id] = gl.createTexture();
}
gl.activeTexture(gl.TEXTURE0 + texture.textureIndex);
gl.bindTexture(gl.TEXTURE_2D, texture._glTextures[gl.id]);
gl.pixelStorei(gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, texture.premultipliedAlpha);
gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, texture.source);
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, texture.scaleMode === PIXI.scaleModes.LINEAR ? gl.LINEAR : gl.NEAREST);
if (texture.mipmap & & Phaser.Math.isPowerOfTwo(texture.width, texture.height))
{
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, texture.scaleMode === PIXI.scaleModes.LINEAR ? gl.LINEAR_MIPMAP_LINEAR : gl.NEAREST_MIPMAP_NEAREST);
gl.generateMipmap(gl.TEXTURE_2D);
}
else
{
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, texture.scaleMode === PIXI.scaleModes.LINEAR ? gl.LINEAR : gl.NEAREST);
}
if (!texture._powerOf2)
{
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);
}
else
{
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.REPEAT);
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.REPEAT);
}
texture._dirty[gl.id] = false;
// return texture._glTextures[gl.id];
return true;
};
/**
* Removes everything from the renderer (event listeners, spritebatch, etc...)
*
* @method destroy
*/
PIXI.WebGLRenderer.prototype.destroy = function()
{
PIXI.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;
Phaser.CanvasPool.remove(this);
PIXI.instances[this.glContextId] = null;
PIXI.WebGLRenderer.glContextId--;
};
/**
* Maps Pixi blend modes to WebGL blend modes.
*
* @method mapBlendModes
*/
PIXI.WebGLRenderer.prototype.mapBlendModes = function()
{
var gl = this.gl;
if (!PIXI.blendModesWebGL)
{
var b = [];
var modes = PIXI.blendModes;
b[modes.NORMAL] = [gl.ONE, gl.ONE_MINUS_SRC_ALPHA];
b[modes.ADD] = [gl.SRC_ALPHA, gl.DST_ALPHA];
b[modes.MULTIPLY] = [gl.DST_COLOR, gl.ONE_MINUS_SRC_ALPHA];
b[modes.SCREEN] = [gl.SRC_ALPHA, gl.ONE];
b[modes.OVERLAY] = [gl.ONE, gl.ONE_MINUS_SRC_ALPHA];
b[modes.DARKEN] = [gl.ONE, gl.ONE_MINUS_SRC_ALPHA];
b[modes.LIGHTEN] = [gl.ONE, gl.ONE_MINUS_SRC_ALPHA];
b[modes.COLOR_DODGE] = [gl.ONE, gl.ONE_MINUS_SRC_ALPHA];
b[modes.COLOR_BURN] = [gl.ONE, gl.ONE_MINUS_SRC_ALPHA];
b[modes.HARD_LIGHT] = [gl.ONE, gl.ONE_MINUS_SRC_ALPHA];
b[modes.SOFT_LIGHT] = [gl.ONE, gl.ONE_MINUS_SRC_ALPHA];
b[modes.DIFFERENCE] = [gl.ONE, gl.ONE_MINUS_SRC_ALPHA];
b[modes.EXCLUSION] = [gl.ONE, gl.ONE_MINUS_SRC_ALPHA];
b[modes.HUE] = [gl.ONE, gl.ONE_MINUS_SRC_ALPHA];
b[modes.SATURATION] = [gl.ONE, gl.ONE_MINUS_SRC_ALPHA];
b[modes.COLOR] = [gl.ONE, gl.ONE_MINUS_SRC_ALPHA];
b[modes.LUMINOSITY] = [gl.ONE, gl.ONE_MINUS_SRC_ALPHA];
PIXI.blendModesWebGL = b;
}
};
PIXI.WebGLRenderer.prototype.getMaxTextureUnit = function() {
var gl = this.gl;
return gl.getParameter(gl.MAX_TEXTURE_IMAGE_UNITS);
};
PIXI.enableMultiTexture = function() {
PIXI._enableMultiTextureToggle = true;
};
PIXI.WebGLRenderer.glContextId = 0;
PIXI.WebGLRenderer.textureArray = [];< / pre >
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