From d660b29ef072b2685df398bfdd073c0a38aea73f Mon Sep 17 00:00:00 2001
From: Daniel Emminizer <emminizer@enews.nrl.navy.mil>
Date: Tue, 24 Apr 2018 06:31:32 -0400
Subject: [PATCH] When GL3 build is enabled, default context requested is
 version 3.3, enabling core profile by default.

---
 src/osg/DisplaySettings.cpp | 4 ++++
 src/osg/GraphicsContext.cpp | 4 ++++
 2 files changed, 8 insertions(+)

diff --git a/src/osg/DisplaySettings.cpp b/src/osg/DisplaySettings.cpp
index 1fd685b33..aceaf4e70 100644
--- a/src/osg/DisplaySettings.cpp
+++ b/src/osg/DisplaySettings.cpp
@@ -240,7 +240,11 @@ void DisplaySettings::setDefaults()
 
     _implicitBufferAttachmentRenderMask = DEFAULT_IMPLICIT_BUFFER_ATTACHMENT;
     _implicitBufferAttachmentResolveMask = DEFAULT_IMPLICIT_BUFFER_ATTACHMENT;
+#ifdef OSG_GL3_FEATURES
+    _glContextVersion = "3.3";
+#else
     _glContextVersion = "1.0";
+#endif
     _glContextFlags = 0;
     _glContextProfileMask = 0;
 
diff --git a/src/osg/GraphicsContext.cpp b/src/osg/GraphicsContext.cpp
index e73ec3e6a..40fda7d08 100644
--- a/src/osg/GraphicsContext.cpp
+++ b/src/osg/GraphicsContext.cpp
@@ -239,7 +239,11 @@ GraphicsContext::Traits::Traits(DisplaySettings* ds):
             swapBarrier(0),
             useMultiThreadedOpenGLEngine(false),
             useCursor(true),
+#ifdef OSG_GL3_FEATURES
+            glContextVersion("3.3"),
+#else
             glContextVersion("1.0"),
+#endif
             glContextFlags(0),
             glContextProfileMask(0),
             sharedContext(0),