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POFlash MouseMove performance issue
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  1. POFlash MouseMove performance issue
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    copied!<p>My Test Case is to draw Two triangles and then wait six millseconds. When doing this,it's fps is at 60.</p> <p>If I wave the mouse on the stage, then the fps is not stable. The Inactive time will increase and I have no way to decrease the inactive time. Why is this hapening.</p> <p>Below are several screenshots.</p> <p>Screen capture of scout: <a href="http://i.stack.imgur.com/xK0xV.png" rel="nofollow">http://i.stack.imgur.com/xK0xV.png</a></p> <p>GPUView fps Graph: <a href="http://i.stack.imgur.com/XO0HQ.png" rel="nofollow">http://i.stack.imgur.com/XO0HQ.png</a></p> <p>And the code of the application</p> <pre><code>package { import com.adobe.utils.AGALMiniAssembler; import com.adobe.utils.PerspectiveMatrix3D; import flash.display.Bitmap; import flash.display.Sprite; import flash.display.StageAlign; import flash.display.StageDisplayState; import flash.display.StageScaleMode; import flash.display3D.Context3D; import flash.display3D.Context3DCompareMode; import flash.display3D.Context3DProgramType; import flash.display3D.Context3DTextureFormat; import flash.display3D.Context3DVertexBufferFormat; import flash.display3D.IndexBuffer3D; import flash.display3D.Program3D; import flash.display3D.VertexBuffer3D; import flash.display3D.textures.Texture; import flash.events.Event; import flash.events.MouseEvent; import flash.geom.Matrix3D; import flash.geom.Rectangle; import flash.text.TextField; import flash.utils.getTimer; [SWF(width="1000",height="600", backgroundColor = 0x000000, frameRate="60")] public class SingleThreadRender extends Sprite { [Embed( source = "RockSmooth.jpg" )] protected const TextureBitmap:Class; protected var context3D:Context3D; protected var vertexbuffer:VertexBuffer3D; protected var indexBuffer:IndexBuffer3D; protected var program:Program3D; protected var texture:Texture; protected var projectionTransform:PerspectiveMatrix3D; private var dataReady :Boolean = false; private var text :TextField = null; public function SingleThreadRender() { text = new TextField(); text.text = "gogo"; addChild(text); stage.mouseChildren = false; startRenderThread(); } private function startRenderThread() :void { stage.stage3Ds[0].addEventListener( Event.CONTEXT3D_CREATE, initMolehill ); stage.stage3Ds[0].requestContext3D(); stage.scaleMode = StageScaleMode.NO_SCALE; stage.align = StageAlign.TOP_LEFT; stage.stageHeight = 600 stage.stageWidth = 800; addEventListener(Event.ENTER_FRAME, onRender); stage.addEventListener(MouseEvent.RIGHT_CLICK,rightClickHandler); } protected function initMolehill(e:Event):void { context3D = stage.stage3Ds[0].context3D; context3D.configureBackBuffer(1000, 600, 1, true); var vertices:Vector.&lt;Number&gt; = Vector.&lt;Number&gt;([ -3,-3, 0,0, 0, // x, y, z, u, v -3, 3, 0, 0, 1, 3, -3, 0, 1, 1, 3, 3, 0, 1, 0]); vertexbuffer = context3D.createVertexBuffer(4, 5); vertexbuffer.uploadFromVector(vertices, 0, 4); indexBuffer = context3D.createIndexBuffer(6); indexBuffer.uploadFromVector (Vector.&lt;uint&gt;([0, 1, 2, 2, 3, 0]), 0, 6); var bitmap:Bitmap = new TextureBitmap(); texture = context3D.createTexture(bitmap.bitmapData.width, bitmap.bitmapData.height, Context3DTextureFormat.BGRA, false); texture.uploadFromBitmapData(bitmap.bitmapData); var vertexShaderAssembler : AGALMiniAssembler = new AGALMiniAssembler(); vertexShaderAssembler.assemble( Context3DProgramType.VERTEX, "m44 op, va0, vc0\n" + // pos to clipspace "mov v0, va1" // copy uv ); var fragmentShaderAssembler : AGALMiniAssembler= new AGALMiniAssembler(); fragmentShaderAssembler.assemble( Context3DProgramType.FRAGMENT, "tex ft1, v0, fs0 &lt;2d,linear,nomip&gt;\n" + "mov oc, ft1" ); program = context3D.createProgram(); program.upload( vertexShaderAssembler.agalcode, fragmentShaderAssembler.agalcode); projectionTransform = new PerspectiveMatrix3D(); var aspect:Number = 4/3; var zNear:Number = 0.1; var zFar:Number = 1000; var fov:Number = 45*Math.PI/180; projectionTransform.perspectiveFieldOfViewLH(fov, aspect, zNear, zFar); } private function rightClickHandler(event :MouseEvent) :void { stage.removeEventListener(MouseEvent.RIGHT_CLICK,rightClickHandler); stage.fullScreenSourceRect = new Rectangle( 0,0,stage.fullScreenWidth,stage.fullScreenHeight); stage.displayState = StageDisplayState.FULL_SCREEN_INTERACTIVE; } private var firstTime :Boolean = true; protected function onRender(e:Event):void { if(stage.frameRate != 60) { stage.frameRate = 60; } if ( !context3D ) return; var start :int = flash.utils.getTimer(); var now :int = 0; while(true) { now = flash.utils.getTimer(); if((now - start) &gt; 6) { break; } } context3D.clear ( 1,1, 1, 1 ); context3D.setDepthTest( true, Context3DCompareMode.LESS_EQUAL); context3D.setVertexBufferAt (0, vertexbuffer, 0, Context3DVertexBufferFormat.FLOAT_3); context3D.setVertexBufferAt(1, vertexbuffer, 3, Context3DVertexBufferFormat.FLOAT_2); context3D.setTextureAt(0, texture); context3D.setProgram(program); var m:Matrix3D = new Matrix3D(); m.appendTranslation(0, 0, 2); m.append(projectionTransform); context3D.setProgramConstantsFromMatrix(Context3DProgramType.VERTEX, 0, m, true); var i:int = 2; while(i--) context3D.drawTriangles(indexBuffer,0,2); context3D.present(); while(true) { now = flash.utils.getTimer(); if((now - start) &gt; 6) { break; } } } } </code></pre>
 

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