code: func (c *Context) TexImage2D(target, level, internalFormat, format, kind int, image *js.Object) {
  	c.Call("texImage2D", target, level, internalFormat, format, kind, image)
  }
docs: // public function stencilFunc(func:GLenum, ref:GLint, mask:GLuint) : Void;
  // public function stencilFuncSeparate(face:GLenum, func:GLenum, ref:GLint, mask:GLuint) : Void;
  // public function stencilMask(mask:GLuint) : Void;
  // public function stencilMaskSeparate(face:GLenum, mask:GLuint) : Void;
  // public function stencilOp(fail:GLenum, zfail:GLenum, zpass:GLenum) : Void;
  // public function stencilOpSeparate(face:GLenum, fail:GLenum, zfail:GLenum, zpass:GLenum) : Void;
  // Loads the supplied pixel data into a texture.