Bug 1297537 - Avoid calling glXWaitGL in GLContextGLX::SwapBuffers. r=jgilbert

MozReview-Commit-ID: FUzbHFyKiMH

--HG--
extra : rebase_source : 71acb5af28740936ed4b3fb6b571e0e3cc153db4

gfx/gl/GLContextProviderGLX.cpp

@@ -985,7 +985,6 @@ GLContextGLX::SwapBuffers()
     if (!mDoubleBuffered)
         return false;
     mGLX->xSwapBuffers(mDisplay, mDrawable);
-    mGLX->xWaitGL();
     return true;
 }