MacOSX: Expose CGL's CGLLockContext(..) and CGLUnlockContext(..) - to provide required locking in multithreading environment

1 files changed, 2 insertions, 0 deletions

diff --git a/make/stub_includes/macosx/OpenGL/OpenGL.h b/make/stub_includes/macosx/OpenGL/OpenGL.h
index 33cfa46b6..3347209b3 100644
--- a/make/stub_includes/macosx/OpenGL/OpenGL.h
+++ b/make/stub_includes/macosx/OpenGL/OpenGL.h
@@ -118,6 +118,8 @@ CGLError CGLCreateContext(CGLPixelFormatObj pix,
                           CGLContextObj* ctx);
 void CGLReleaseContext(CGLContextObj ctx);
 CGLError CGLDestroyContext(CGLContextObj ctx);
+CGLError CGLLockContext (CGLContextObj ctx);
+CGLError CGLUnlockContext (CGLContextObj ctx);
 CGLError CGLSetCurrentContext(CGLContextObj ctx);
 CGLContextObj CGLGetCurrentContext (void);
 CGLError CGLFlushDrawable ( CGLContextObj ctx);