function CompressedTextureBuffer(
  internalFormat,
  pixelDatatype,
  width,
  height,
  buffer,
) {
  this._format = internalFormat;
  this._datatype = pixelDatatype;
  this._width = width;
  this._height = height;
  this._buffer = buffer;
}
Describes a compressed texture and contains a compressed texture buffer.
@alias CompressedTextureBuffer
@constructor

@param {PixelFormat} internalFormat The pixel format of the compressed texture.
@param {PixelDatatype} pixelDatatype The pixel datatype of the compressed texture.
@param {number} width The width of the texture.
@param {number} height The height of the texture.
@param {Uint8Array} buffer The compressed texture buffer.