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-rw-r--r--src/api/win32/make_current_guard.rs52
1 files changed, 0 insertions, 52 deletions
diff --git a/src/api/win32/make_current_guard.rs b/src/api/win32/make_current_guard.rs
deleted file mode 100644
index 8983899..0000000
--- a/src/api/win32/make_current_guard.rs
+++ /dev/null
@@ -1,52 +0,0 @@
-use std::marker::PhantomData;
-use std::io;
-
-use libc;
-use winapi;
-use CreationError;
-
-use super::gl;
-use super::ContextWrapper;
-use super::WindowWrapper;
-
-/// A guard for when you want to make the context current. Destroying the guard restores the
-/// previously-current context.
-pub struct CurrentContextGuard<'a, 'b> {
- previous_hdc: winapi::HDC,
- previous_hglrc: winapi::HGLRC,
- marker1: PhantomData<&'a ()>,
- marker2: PhantomData<&'b ()>,
-}
-
-impl<'a, 'b> CurrentContextGuard<'a, 'b> {
- pub unsafe fn make_current(window: &'a WindowWrapper, context: &'b ContextWrapper)
- -> Result<CurrentContextGuard<'a, 'b>, CreationError>
- {
- let previous_hdc = gl::wgl::GetCurrentDC() as winapi::HDC;
- let previous_hglrc = gl::wgl::GetCurrentContext() as winapi::HGLRC;
-
- let result = gl::wgl::MakeCurrent(window.1 as *const libc::c_void,
- context.0 as *const libc::c_void);
-
- if result == 0 {
- return Err(CreationError::OsError(format!("wglMakeCurrent function failed: {}",
- format!("{}", io::Error::last_os_error()))));
- }
-
- Ok(CurrentContextGuard {
- previous_hdc: previous_hdc,
- previous_hglrc: previous_hglrc,
- marker1: PhantomData,
- marker2: PhantomData,
- })
- }
-}
-
-impl<'a, 'b> Drop for CurrentContextGuard<'a, 'b> {
- fn drop(&mut self) {
- unsafe {
- gl::wgl::MakeCurrent(self.previous_hdc as *const libc::c_void,
- self.previous_hglrc as *const libc::c_void);
- }
- }
-}