package laya.webgl.utils {
	import laya.maths.Matrix;
	import laya.maths.Rectangle;
	import laya.webgl.canvas.WebGLContext2D;
	import laya.webgl.resource.RenderTarget2D;
	import laya.webgl.shader.ShaderDefines;
	import laya.webgl.shader.d2.ShaderDefines2D;
	/**
	 * ...
	 * @author laya
	 */
	public class RenderState2D 
	{
		public static const _MAXSIZE:int = 99999999;
		
		public static var TEMPMAT4_ARRAY:Array=/*[STATIC SAFE]*/ [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1];
		public static var worldMatrix4:Array = /*[STATIC SAFE]*/ [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1];
		
		public static var worldMatrix:Matrix = new Matrix();
		
		public static var worldAlpha:Number = 1.0;
		
		public static var worldScissorTest:Boolean = false;

		public static var worldFilters:Array;
		public static var worldShaderDefines:ShaderDefines2D;		
				
		public static var worldClipRect:Rectangle =  /*[STATIC SAFE]*/ new Rectangle(0, 0, _MAXSIZE, _MAXSIZE);
		
		public static var curRenderTarget:RenderTarget2D;
		
		public static var width:Number=0;
		public static var height:Number=0;
		
		public static function mat2MatArray(mat:Matrix,matArray:Array):Array
		{
			var m:Matrix = mat;
			var m4:Array = matArray;
			m4[0] = m.a;
			m4[1] = m.b;
			m4[4] = m.c;
			m4[5] = m.d;
			m4[12] =m.tx;
			m4[13] =m.ty;
			return matArray;
		}
		
		public static function restoreTempArray():void
		{
			TEMPMAT4_ARRAY[0]=1;
			TEMPMAT4_ARRAY[1]=0;
			TEMPMAT4_ARRAY[4]=0;
			TEMPMAT4_ARRAY[5]=1;
			TEMPMAT4_ARRAY[12]=0;
			TEMPMAT4_ARRAY[13]=0;
		}
		
		public static function clear():void
		{
			worldScissorTest = false;
			worldShaderDefines = null;
			worldFilters = null;
			worldAlpha = 1;
			worldClipRect.x = worldClipRect.y = 0;
			worldClipRect.width = width;
			worldClipRect.height = height;
			curRenderTarget = null;
		}
		
	}

}