Don't incorrectly report success for negative swap intervals on Mac O…

…S X.
libsdl-org · Sep 14, 2013 · bfe1b1d · bfe1b1d
1 parent fae4190
commit bfe1b1d
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/video/cocoa/SDL_cocoaopengl.m b/src/video/cocoa/SDL_cocoaopengl.m
@@ -302,6 +302,10 @@ - (void)setWindow:(SDL_Window *)newWindow
     GLint value;
     int status;
 
+    if (interval < 0) {  /* no extension for this on Mac OS X at the moment. */
+        return SDL_SetError("Late swap tearing currently unsupported");
+    }
+
     pool = [[NSAutoreleasePool alloc] init];
 
     nscontext = (NSOpenGLContext*)SDL_GL_GetCurrentContext();