Type Alias PFNGLHISTOGRAMEXTPROC

pub type PFNGLHISTOGRAMEXTPROC = Option<unsafe extern "C" fn(target: GLenum, width: GLsizei, internalformat: GLenum, sink: GLboolean)>;

Aliased Type

pub enum PFNGLHISTOGRAMEXTPROC {
    None,
    Some(unsafe extern "C" fn(u32, i32, u32, u8)),
}

Variants

None

No value.

Some(unsafe extern "C" fn(u32, i32, u32, u8))

Some value of type T.