Type Definition makepad_glx_sys::PFNGLCOPYTEXTUREIMAGE2DEXTPROC

type PFNGLCOPYTEXTUREIMAGE2DEXTPROC = Option<unsafe extern "C" fn(texture: GLuint, target: GLenum, level: GLint, internalformat: GLenum, x: GLint, y: GLint, width: GLsizei, height: GLsizei, border: GLint)>;