URE_WRAP_R,  param: gl.CLAMP_TO_EDGE },
      { pname: gl.TEXTURE_MIN_FILTER,  param: gl.NEAREST },
      { pname: gl.TEXTURE_MIN_FILTER,  param: gl.LINEAR },
      { pname: gl.TEXTURE_MIN_FILTER,  param: gl.NEAREST_MIPMAP_NEAREST },
      { pname: gl.TEXTURE_MIN_FILTER,  param: gl.NEAREST_MIPMAP_LINEAR },
      { pname: gl.TEXTURE_MIN_FILTER,  param: gl.LINEAR_MIPMAP_NEAREST },
      { pname: gl.TEXTURE_MIN_FILTER,  param: gl.LINEAR_MIPMAP_LINEAR },
      { pname: gl.TEXTURE_MAG_FILTER,  param: gl.NEAREST 