1 files changed, 11 insertions, 1 deletions
diff --git a/indra/llwindow/llwindow.h b/indra/llwindow/llwindow.h
index d4d5b76937..10c0b6a424 100644
--- a/indra/llwindow/llwindow.h
+++ b/indra/llwindow/llwindow.h
@@ -78,7 +78,17 @@ public:
 	BOOL setSize(LLCoordWindow size);
 	virtual void setMinSize(U32 min_width, U32 min_height, bool enforce_immediately = true);
 	virtual BOOL switchContext(BOOL fullscreen, const LLCoordScreen &size, BOOL disable_vsync, const LLCoordScreen * const posp = NULL) = 0;
-	virtual BOOL setCursorPosition(LLCoordWindow position) = 0;
+
+    //create a new GL context that shares a namespace with this Window's main GL context and make it current on the current thread
+    // returns a pointer to be handed back to destroySharedConext/makeContextCurrent
+    virtual void* createSharedContext() = 0;
+    //make the given context current on the current thread
+    virtual void makeContextCurrent(void* context) = 0;
+    //destroy the given context that was retrieved by createSharedContext()
+    //Must be called on the same thread that called createSharedContext()
+    virtual void destroySharedContext(void* context) = 0;
+
+    virtual BOOL setCursorPosition(LLCoordWindow position) = 0;
 	virtual BOOL getCursorPosition(LLCoordWindow *position) = 0;
 	virtual void showCursor() = 0;
 	virtual void hideCursor() = 0;