From 01e781f2e9efc4ad0c3ca5957da5e0a21d91ccd2 Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Thu, 22 Oct 2009 12:06:00 +0000
Subject: [PATCH] Introduced Cmake generated #defines relevant to optionally
 compile parts of the OSG for different OpenGL targets

---
 CMakeLists.txt    | 23 ++++++++++++++++++++++-
 src/osg/Config.in | 10 ++++++++++
 2 files changed, 32 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 31bbf2b3b..c349ffbaf 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -281,7 +281,28 @@ MARK_AS_ADVANCED(OSG_DISABLE_MSVC_WARNINGS)
 OPTION(OSG_USE_REF_PTR_IMPLICIT_OUTPUT_CONVERSION "Set to ON to use the ref_ptr<> T* operator() output conversion. " ON)
 
 OPTION(OSG_GLU_AVAILABLE "Set to OFF to disable use of OpenGL GLU library." ${OPENGL_GLU_FOUND})
-MARK_AS_ADVANCED(OSG_GLU_AVAILABLE)
+# MARK_AS_ADVANCED(OSG_GLU_AVAILABLE)
+
+
+OPTION(OSG_GL1_AVAILABLE "Set to OFF to disable use of OpenGL 1.x functions library." ON)
+# MARK_AS_ADVANCED(OSG_GL1_AVAILABLE)
+
+OPTION(OSG_GL2_AVAILABLE "Set to OFF to disable use of OpenGL 2.x functions library." ON)
+# MARK_AS_ADVANCED(OSG_GL2_AVAILABLE)
+
+OPTION(OSG_GL3_AVAILABLE "Set to OFF to disable use of OpenGL 3.x functions library." OFF)
+# MARK_AS_ADVANCED(OSG_GL3_AVAILABLE)
+
+OPTION(OSG_GLES1_AVAILABLE "Set to OFF to disable use of OpenGL ES 1.x functions library." OFF)
+# MARK_AS_ADVANCED(OSG_GLES1_AVAILABLE)
+
+OPTION(OSG_GLES2_AVAILABLE "Set to OFF to disable use of OpenGL ES 2.x functions library." OFF)
+# MARK_AS_ADVANCED(OSG_GLES2_AVAILABLE)
+
+SET(OSG_GL_DISPLAYLISTS_AVAILABLE ${OSG_GL1_AVAILABLE})
+SET(OSG_GL_MATRICES_AVAILABLE ${OSG_GL1_AVAILABLE})
+SET(OSG_GL_VERTEX_FUNCS_AVAILABLE ${OSG_GL1_AVAILABLE})
+SET(OSG_GL_FIXED_FUNCTION_AVAILABLE ${OSG_GL1_AVAILABLE})
 
 ################################################################################
 # Set Config file
diff --git a/src/osg/Config.in b/src/osg/Config.in
index 905e641bb..53f2f6748 100644
--- a/src/osg/Config.in
+++ b/src/osg/Config.in
@@ -30,6 +30,16 @@
 #cmakedefine OSG_USE_REF_PTR_IMPLICIT_OUTPUT_CONVERSION
 #cmakedefine OSG_USE_UTF8_FILENAME
 #cmakedefine OSG_DISABLE_MSVC_WARNINGS
+
 #cmakedefine OSG_GLU_AVAILABLE
+#cmakedefine OSG_GL1_AVAILABLE
+#cmakedefine OSG_GL2_AVAILABLE
+#cmakedefine OSG_GL3_AVAILABLE
+#cmakedefine OSG_GLES1_AVAILABLE
+#cmakedefine OSG_GLES2_AVAILABLE
+#cmakedefine OSG_GL_DISPLAYLISTS_AVAILABLE
+#cmakedefine OSG_GL_MATRICES_AVAILABLE
+#cmakedefine OSG_GL_VERTEX_FUNCS_AVAILABLE
+#cmakedefine OSG_GL_FIXED_FUNCTION_AVAILABLE
 
 #endif