diff --git a/src/bindings.cc b/src/bindings.cc
index f4f983f..4de2220 100644
--- a/src/bindings.cc
+++ b/src/bindings.cc
@@ -17,6 +17,7 @@ void init(Handle<Object> target)
   atexit(webgl::AtExit);
 
   NODE_SET_METHOD(target, "CreateContext", webgl::CreateContext);
+  NODE_SET_METHOD(target, "CreateContextExt", webgl::CreateContextExt);
   NODE_SET_METHOD(target, "DestroyContext", webgl::DestroyContext);
   NODE_SET_METHOD(target, "MakeCurrent", webgl::MakeCurrent);
  
diff --git a/src/webgl.cc b/src/webgl.cc
index b173978..420ed1b 100644
--- a/src/webgl.cc
+++ b/src/webgl.cc
@@ -112,6 +112,27 @@ NAN_METHOD(CreateContext) {
   NanReturnValue(JS_INT((intptr_t)context));
 }
 
+NAN_METHOD(CreateContextExt) {
+  NanScope();
+
+  GLenum format = args[0]->Int32Value();
+  GLint depthBits = args[1]->Int32Value();
+  GLint stencilBits = args[2]->Int32Value();
+  GLint accumBits = args[3]->Int32Value();
+
+  OSMesaContext context;
+  if(args[4]->IsNull()) {
+    context = OSMesaCreateContextExt(format, depthBits, stencilBits, accumBits, NULL);
+  } else {
+    OSMesaContext shareList = getOSMesaContext(args[4]);
+    context = OSMesaCreateContextExt(format, depthBits, stencilBits, accumBits, shareList);
+  }
+
+  std::cout << "CreateContextExt: " << context << std::endl;
+
+  NanReturnValue(JS_INT((intptr_t)context));
+}
+
 NAN_METHOD(DestroyContext) {
   NanScope();
 
diff --git a/src/webgl.h b/src/webgl.h
index 8c09d23..a696aea 100644
--- a/src/webgl.h
+++ b/src/webgl.h
@@ -17,6 +17,7 @@ namespace webgl {
 void AtExit();
 
 NAN_METHOD(CreateContext);
+NAN_METHOD(CreateContextExt);
 NAN_METHOD(DestroyContext);
 NAN_METHOD(MakeCurrent);