Function gl::CompressedTexImage2D

pub unsafe fn CompressedTexImage2D(
    target: GLenum, 
    level: GLint, 
    internalformat: GLenum, 
    width: GLsizei, 
    height: GLsizei, 
    border: GLint, 
    imageSize: GLsizei, 
    data: *const c_void
)

Fallbacks: CompressedTexImage2DARB