目前版本SuperMap_iClient3D_9D_for_WebGL_1804281301；
在IE11环境下， 加载场景时，点击任意位置，会提示如下错误，且场景卡死。
An error occurred while rendering. Rendering has stopped.
DeveloperError: When options.pixelFormat is DEPTH_COMPONENT or DEPTH_STENCIL, this WebGL implementation must support WEBGL_depth_texture. Check context.depthTexture. Error at t (eval code:1:3275) at v (eval code:1:1029656) at T (eval code:1:2005473) at w.prototype.begin (eval code:1:2006830) at Qe.prototype.collideDetection (eval code:1:3071954) at J (eval code:1:2951207) at j (eval code:1:2946682) at M (eval code:1:2929337) at ae (eval code:1:2958491) at $[][] (eval code:1:2960671)
