method WebGLRenderingContext.prototype.stencilOpimport { WebGLRenderingContext } from "https://deno.land/x/caviar@2.6.6/deps.ts"; stencilOp(fail: number,zfail: number,zpass: number,)Sets both the front and back-facing stencil test actions. Parametersfail: numberzfail: numberzpass: number