glCompressedTexSubImage3DOES

var glCompressedTexSubImage3DOES: procedure(

  target: GLenum;

  level: GLint;

  xoffset: GLint;

  yoffset: GLint;

  zoffset: GLint;

  width: GLsizei;

  height: GLsizei;

  depth: GLsizei;

  format: GLenum;

  imageSize: GLsizei;

  data: pointer

);