Index: /trunk/src/VBox/HostServices/SharedOpenGL/render/renderspu_cocoa.c
===================================================================
--- /trunk/src/VBox/HostServices/SharedOpenGL/render/renderspu_cocoa.c	(revision 40696)
+++ /trunk/src/VBox/HostServices/SharedOpenGL/render/renderspu_cocoa.c	(revision 40697)
@@ -31,5 +31,5 @@
 }
 
-GLboolean renderspu_SystemCreateContext(VisualInfo *pVisInfo, ContextInfo *pCtxInfo, ContextInfo *pShharedCtxInfo)
+GLboolean renderspu_SystemCreateContext(VisualInfo *pVisInfo, ContextInfo *pCtxInfo, ContextInfo *pSharedCtxInfo)
 {
     CRASSERT(pVisInfo);
@@ -38,5 +38,5 @@
     pCtxInfo->currentWindow = NULL;
 
-    cocoaGLCtxCreate(&pCtxInfo->context, pVisInfo->visAttribs);
+    cocoaGLCtxCreate(&pCtxInfo->context, pVisInfo->visAttribs, pShharedCtxInfo ? pSharedCtxInfo->context : NULL);
 
     return GL_TRUE;
Index: /trunk/src/VBox/HostServices/SharedOpenGL/render/renderspu_cocoa_helper.h
===================================================================
--- /trunk/src/VBox/HostServices/SharedOpenGL/render/renderspu_cocoa_helper.h	(revision 40696)
+++ /trunk/src/VBox/HostServices/SharedOpenGL/render/renderspu_cocoa_helper.h	(revision 40697)
@@ -29,5 +29,5 @@
 
 /* OpenGL context management */
-void cocoaGLCtxCreate(NativeNSOpenGLContextRef *ppCtx, GLbitfield fVisParams);
+void cocoaGLCtxCreate(NativeNSOpenGLContextRef *ppCtx, GLbitfield fVisParams, NativeNSOpenGLContextRef pSharedCtx);
 void cocoaGLCtxDestroy(NativeNSOpenGLContextRef pCtx);
 
Index: /trunk/src/VBox/HostServices/SharedOpenGL/render/renderspu_cocoa_helper.m
===================================================================
--- /trunk/src/VBox/HostServices/SharedOpenGL/render/renderspu_cocoa_helper.m	(revision 40696)
+++ /trunk/src/VBox/HostServices/SharedOpenGL/render/renderspu_cocoa_helper.m	(revision 40697)
@@ -1617,5 +1617,5 @@
 *
 ********************************************************************************/
-void cocoaGLCtxCreate(NativeNSOpenGLContextRef *ppCtx, GLbitfield fVisParams)
+void cocoaGLCtxCreate(NativeNSOpenGLContextRef *ppCtx, GLbitfield fVisParams, NativeNSOpenGLContextRef pSharedCtx)
 {
     NSOpenGLPixelFormat *pFmt = nil;