Merge pull request #305 from tomaka/is-current

Add is_current function

2 files changed, 10 insertions, 0 deletions

diff --git a/src/win32/headless.rs b/src/win32/headless.rs
index 1da8b02..6189360 100644
--- a/src/win32/headless.rs
+++ b/src/win32/headless.rs
@@ -21,6 +21,11 @@ impl HeadlessContext {
     }
 
     /// See the docs in the crate root file.
+    pub fn is_current(&self) -> bool {
+        self.0.is_current()
+    }
+
+    /// See the docs in the crate root file.
     pub fn get_proc_address(&self, addr: &str) -> *const () {
         self.0.get_proc_address(addr)
     }
diff --git a/src/win32/mod.rs b/src/win32/mod.rs
index 327b71d..8cb6d39 100644
--- a/src/win32/mod.rs
+++ b/src/win32/mod.rs
@@ -209,6 +209,11 @@ impl Window {
     }
 
     /// See the docs in the crate root file.
+    pub fn is_current(&self) -> bool {
+        unsafe { gl::wgl::GetCurrentContext() == self.context.0 as *const libc::c_void }
+    }
+
+    /// See the docs in the crate root file.
     pub fn get_proc_address(&self, addr: &str) -> *const () {
         let addr = CString::new(addr.as_bytes()).unwrap();
         let addr = addr.as_ptr();