1 files changed, 6 insertions, 0 deletions
diff --git a/indra/llwindow/llwindowheadless.h b/indra/llwindow/llwindowheadless.h
index c692666df1..f8ba9bbed4 100644
--- a/indra/llwindow/llwindowheadless.h
+++ b/indra/llwindow/llwindowheadless.h
@@ -49,8 +49,14 @@ public:
 	/*virtual*/ BOOL setSizeImpl(LLCoordScreen size) {return FALSE;};
 	/*virtual*/ BOOL setSizeImpl(LLCoordWindow size) {return FALSE;};
 	/*virtual*/ BOOL switchContext(BOOL fullscreen, const LLCoordScreen &size, BOOL disable_vsync, const LLCoordScreen * const posp = NULL) {return FALSE;};
+    void* createSharedContext()  { return nullptr; }
+    void makeContextCurrent(void*)  {}
+    void destroySharedContext(void*)  {}
 	/*virtual*/ BOOL setCursorPosition(LLCoordWindow position) {return FALSE;};
 	/*virtual*/ BOOL getCursorPosition(LLCoordWindow *position) {return FALSE;};
+#if LL_WINDOWS
+    /*virtual*/ BOOL getCursorDelta(LLCoordCommon* delta) { return FALSE; }
+#endif
 	/*virtual*/ void showCursor() {};
 	/*virtual*/ void hideCursor() {};
 	/*virtual*/ void showCursorFromMouseMove() {};