From c6e0c8430f1e84e53c64a0bc2c1963ec3157e2c3 Mon Sep 17 00:00:00 2001
From: Robin Gareus <robin@gareus.org>
Date: Mon, 7 Sep 2015 13:35:11 +0200
Subject: image-surface/software rendering as preference

---
 gtk2_ardour/ui_config.cc | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'gtk2_ardour/ui_config.cc')

diff --git a/gtk2_ardour/ui_config.cc b/gtk2_ardour/ui_config.cc
index 1fe2d4135f..e20eb6fc72 100644
--- a/gtk2_ardour/ui_config.cc
+++ b/gtk2_ardour/ui_config.cc
@@ -17,6 +17,10 @@
 
 */
 
+#if !defined USE_CAIRO_IMAGE_SURFACE && !defined NDEBUG
+#define OPTIONAL_CAIRO_IMAGE_SURFACE
+#endif
+
 #include <iostream>
 #include <sstream>
 #include <unistd.h>
@@ -156,6 +160,11 @@ UIConfiguration::pre_gui_init ()
 	if (get_buggy_gradients()) {
 		g_setenv ("FORCE_BUGGY_GRADIENTS", "1", 1);
 	}
+#endif
+#ifdef OPTIONAL_CAIRO_IMAGE_SURFACE
+	if (get_cairo_image_surface()) {
+		g_setenv ("ARDOUR_IMAGE_SURFACE", "1", 1);
+	}
 #endif
 	return 0;
 }
-- 
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