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#![allow(non_snake_case)]

use crate::decl::*;
use crate::dxgi::ffi;
use crate::ole::privs::*;
use crate::prelude::*;

/// [`CreateDXGIFactory`](https://learn.microsoft.com/en-us/windows/win32/api/dxgi/nf-dxgi-createdxgifactory)
/// function.
#[must_use]
pub fn CreateDXGIFactory() -> HrResult<IDXGIFactory> {
	let mut queried = unsafe { IDXGIFactory::null() };
	ok_to_hrresult(
		unsafe {
			ffi::CreateDXGIFactory(
				&IDXGIFactory::IID as *const _ as _,
				queried.as_mut(),
			)
		},
	).map(|_| queried)
}

/// [`CreateDXGIFactory1`](https://learn.microsoft.com/en-us/windows/win32/api/dxgi/nf-dxgi-createdxgifactory1)
/// function.
#[must_use]
pub fn CreateDXGIFactory1() -> HrResult<IDXGIFactory1> {
	let mut queried = unsafe { IDXGIFactory1::null() };
	ok_to_hrresult(
		unsafe {
			ffi::CreateDXGIFactory1(
				&IDXGIFactory1::IID as *const _ as _,
				queried.as_mut(),
			)
		},
	).map(|_| queried)
}