From 1408c2664e60b1ff531e2eeef89fa4e661fbdc1e Mon Sep 17 00:00:00 2001
From: Mathieu MARACHE <mathieu@marache.com>
Date: Mon, 28 Aug 2017 09:44:10 +0200
Subject: [PATCH] osg::Program::isFixedFunction() should'nt return true fixed
 function is unavailable, even if _shaderList.empty() is true

---
 src/osg/Program.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/osg/Program.cpp b/src/osg/Program.cpp
index 22e3ca052..7092a565a 100644
--- a/src/osg/Program.cpp
+++ b/src/osg/Program.cpp
@@ -633,10 +633,14 @@ Program::PerContextProgram* Program::getPCP(State& state) const
 
 bool Program::isFixedFunction() const
 {
+#ifdef OSG_GL_FIXED_FUNCTION_AVAILABLE
     // A Program object having no attached Shaders is a special case:
     // it indicates that programmable shading is to be disabled,
     // and thus use GL 1.x "fixed functionality" rendering.
     return _shaderList.empty();
+#else
+    return false;
+#endif
 }