X-Git-Url: http://git.cinelerra-gg.org/git/?p=goodguy%2Fhistory.git;a=blobdiff_plain;f=cinelerra-5.1%2Fguicast%2Fbcwindowbase.C;h=fae98cb186b9315572190fa6abd940e3d2f84a0b;hp=f851f384de0b916e6bb25faa297e7cb8fd5fe169;hb=2264753cd1968c95829dc01d3d9c394eacff34dc;hpb=4784a8d70bc39f9b7e467f93304d2df3f23fd2df

diff --git a/cinelerra-5.1/guicast/bcwindowbase.C b/cinelerra-5.1/guicast/bcwindowbase.C
index f851f384..fae98cb1 100644
--- a/cinelerra-5.1/guicast/bcwindowbase.C
+++ b/cinelerra-5.1/guicast/bcwindowbase.C
@@ -181,9 +181,10 @@ BC_WindowBase::~BC_WindowBase()
 		for( int i=sizeof(xfont)/sizeof(xfont[0]); --i>=0; )
 			XFreeFont(display, this->*xfont[i]);
 
-// bug in X causes XRenderExtensionInfo to be damaged if this is done here
-//  left to be done in XCloseDisplay by Xlib.
-#if defined(HAVE_XFT) && 0
+// past bug in X caused XRenderExtensionInfo to be damaged
+// if this is done here. left to be done in XCloseDisplay by Xlib.
+// works in more modern systems, and needed for leak testing.
+#if defined(HAVE_XFT) && defined(VALGRIND)
 		static void *BC_WindowBase::*xft_font[] = {
 			 &BC_WindowBase::smallfont_xft,
 			 &BC_WindowBase::mediumfont_xft,
@@ -683,6 +684,15 @@ Display* BC_WindowBase::init_display(const char *display_name)
 			}
 		}
  	}
+
+	static int xsynch = -1;
+	if( xsynch < 0 ) {
+		const char *cp = getenv("CIN_XSYNCH");
+		xsynch = !cp ? 0 : atoi(cp);
+	}
+	if( xsynch > 0 )
+		XSynchronize(display, True);
+
 	return display;
 }