1 files changed, 11 insertions, 3 deletions
diff --git a/src/headless.rs b/src/headless.rs
index 997d87a..69f9aab 100644
--- a/src/headless.rs
+++ b/src/headless.rs
@@ -1,9 +1,11 @@
 use Api;
 use BuilderAttribs;
+use ContextError;
 use CreationError;
 use GlRequest;
 use GlContext;
 use PixelFormat;
+use Robustness;
 
 use gl_common;
 use libc;
@@ -42,6 +44,12 @@ impl HeadlessRendererBuilder {
         self
     }
 
+    /// Sets the robustness of the OpenGL context. See the docs of `Robustness`.
+    pub fn with_gl_robustness(mut self, robustness: Robustness) -> HeadlessRendererBuilder {
+        self.attribs.gl_robustness = robustness;
+        self
+    }
+
     /// Builds the headless context.
     ///
     /// Error should be very rare and only occur in case of permission denied, incompatible system,
@@ -69,7 +77,7 @@ impl HeadlessContext {
     /// Creates a new OpenGL context
     /// Sets the context as the current context.
     #[inline]
-    pub unsafe fn make_current(&self) {
+    pub unsafe fn make_current(&self) -> Result<(), ContextError> {
         self.context.make_current()
     }
     
@@ -105,7 +113,7 @@ impl gl_common::GlFunctionsSource for HeadlessContext {
 }
 
 impl GlContext for HeadlessContext {
-    unsafe fn make_current(&self) {
+    unsafe fn make_current(&self) -> Result<(), ContextError> {
         self.context.make_current()
     }
 
@@ -117,7 +125,7 @@ impl GlContext for HeadlessContext {
         self.context.get_proc_address(addr)
     }
 
-    fn swap_buffers(&self) {
+    fn swap_buffers(&self) -> Result<(), ContextError> {
         self.context.swap_buffers()
     }