glew_sys

Type Alias PFNGLREADBUFFERREGIONPROC

source 
pub type PFNGLREADBUFFERREGIONPROC = Option<unsafe extern "C" fn(region: GLuint, x: GLint, y: GLint, width: GLsizei, height: GLsizei)>;

Aliased Type§

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

Variants§

§1.0.0

None

No value.

§1.0.0

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

Some value of type T.