glew_sys

Type Alias PFNGLHISTOGRAMEXTPROC

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

Aliased Type§

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

Variants§

§1.0.0

None

No value.

§1.0.0

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

Some value of type T.