Type Alias PFNGLPUSHDEBUGGROUPPROC 

pub type PFNGLPUSHDEBUGGROUPPROC = Option<unsafe extern "C" fn(source: GLenum, id: GLuint, length: GLsizei, message: *const GLchar)>;

Aliased Type

pub enum PFNGLPUSHDEBUGGROUPPROC {
    None,
    Some(unsafe extern "C" fn(u32, u32, i32, *const i8)),
}

Variants

None

No value.

Some(unsafe extern "C" fn(u32, u32, i32, *const i8))

Some value of type T.