fix: webgl2

public/lib/potree/potree.js

@@ -4594,11 +4594,15 @@
 	  replaceAll: function replaceAll(str, f, e) {
 	    //f全部替换成e
 
-	    /* if(str.replaceAll ) return str.replaceAll(f, e)
-	    else{ */
-	    var reg = new RegExp(f, "g"); //创建正则RegExp对象  
-	    return str.replace(reg, e); //str.split(f).join(e);
-	    //}
+	    if (str.replaceAll) return str.replaceAll(f, e);else {
+	      var escapeRegExp = string => {
+	        return string.replace(/[.*+\-?^${}()|[\]\\]/g, '\\$&'); // $& means the whole matched string
+	      };
+	      return str.replace(new RegExp(escapeRegExp(f), 'g'), e);
+
+	      /* var reg = new RegExp(f, "g"); //创建正则RegExp对象    这个没法转换'('
+	      return str.replace(reg, e);        //str.split(f).join(e); */
+	    }
 	  },
 	  dealURL(url) {
 	    var urlNew = this.replaceAll(url, "\\+", "%2B"); // 浏览器似乎不支持访问带+的地址
@@ -56131,7 +56135,7 @@
 	    var params = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
 	    var viewer = this.viewer;
 	    var camera = params.camera ? params.camera : viewer.scene.getActiveCamera();
-	    var rtEDL = (Potree.settings.pointEnableRT && Potree.settings.displayMode == 'showPointCloud' || Potree.settings.displayMode == 'showPanos' && viewer.images360.currentPano.pointcloud.hasDepthTex || viewer.useEDL) && Features.EXT_DEPTH.isSupported() && camera.type != "OrthographicCamera" && !params.dontRenderRtEDL && (params.rtEDL || this.getRtEDL(params.viewport)); // 平面相机不用depthTex直接打开depthTest？且不使用edl
+	    var rtEDL = (Potree.settings.pointEnableRT && Potree.settings.displayMode == 'showPointCloud' || Potree.settings.displayMode == 'showPanos' /*  && viewer.images360.currentPano.pointcloud.hasDepthTex  */ || viewer.useEDL) && Features.EXT_DEPTH.isSupported() && camera.type != "OrthographicCamera" && !params.dontRenderRtEDL && (params.rtEDL || this.getRtEDL(params.viewport)); // 平面相机不用depthTex直接打开depthTest？且不使用edl
 	    var useEDL = viewer.useEDL && rtEDL && Potree.settings.displayMode != 'showPanos';
 	    var target = params.target || null;
 	    var resolution = rtEDL && Potree.settings.useRTPoint ? new Vector2(rtEDL.width, rtEDL.height) : params.target ? new Vector2(params.target.width, params.target.height) : params.viewport ? params.viewport.resolution2 : this.viewer.renderer.getSize(new Vector2()); //截图时需要用target的大小