method WebGLRenderingContext.prototype.stencilOpSeparateimport { WebGLRenderingContext } from "https://deno.land/x/caviar@2.6.6/deps.ts"; stencilOpSeparate(face: number,fail: number,zfail: number,zpass: number,)Sets the front and/or back-facing stencil test actions. Parametersface: numberfail: numberzfail: numberzpass: number