flashplayer10以后开始支持硬件加速，目前支持openGL2.0。下面是一个实例，先贴上代码。
/**tb*/package{ import flash.display.Loader; import flash.display.BitmapData; import flash.display.Shader; import flash.display.Shape; import flash.display.Sprite; import flash.display.StageAlign; import flash.display.StageScaleMode; import flash.events.Event; import flash.events.TimerEvent; import flash.net.URLRequest; import flash.net.URLStream; import flash.utils.ByteArray; import flash.utils.Timer; import flash.utils.getTimer; public class TestShader extends Sprite { private var _shape:Shape=new Shape(); private var _bitmapData:BitmapData; private var _shader:Shader = new Shader(); private var _sl:URLStream=new URLStream(); public function TestShader() { this.stage.scaleMode=StageScaleMode.NO_SCALE; this.stage.align=StageAlign.TOP_LEFT; this.stage.showDefaultContextMenu=false; //=========================================== //加载图片 var imgloader:Loader=new Loader(); imgloader.contentLoaderInfo.addEventListener(Event.COMPLETE,imgComplete); imgloader.load(new URLRequest("image.jpg")); } /** * 加载图片完成 * @param event * */ private function imgComplete(event:Event):void { _bitmapData=event.target.content.bitmapData; _sl.addEventListener(Event.COMPLETE,shaderLoaded); _sl.load(new URLRequest("Crystallize.pbj")); } /** * 加载pbj文件完成 * @param event * */ private function shaderLoaded(event:Event):void { var sls:URLStream= event.target as URLStream; if(sls==null){ throw new Error("GLSL data is empty or load error"); } var byArr:ByteArray=new ByteArray(); sls.readBytes(byArr); //开始着色渲染 _shader.byteCode = byArr; _shader.data.src.input = _bitmapData; //添加显示 _shape.x=20; _shape.y=20; this.addChild(_shape); //时间间隔 var time:Timer=new Timer(100); time.addEventListener(TimerEvent.TIMER,onTime); time.start(); } /** * 时间间隔，动态改变着色渲染 * @param event * */ private function onTime(event:TimerEvent):void { _shader.data.size.value = [Math.sin(event.target.currentCount/100)*50]; _shape.graphics.clear(); _shape.graphics.beginShaderFill(_shader); _shape.graphics.drawRect(0,0,200,200); } }}
