From 91af37573a99142bf5db5e7503c8a238deea9b96 Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Mon, 8 Nov 2004 17:12:36 +0000
Subject: [PATCH] Added public access to VertexProgram's LocalParamters and
 added .osg support for these.

---
 include/osg/VertexProgram            | 10 +++++++++-
 src/osgPlugins/osg/VertexProgram.cpp | 22 ++++++++++++++++++++++
 2 files changed, 31 insertions(+), 1 deletion(-)

diff --git a/include/osg/VertexProgram b/include/osg/VertexProgram
index 9e1e60425..4c19ffdee 100644
--- a/include/osg/VertexProgram
+++ b/include/osg/VertexProgram
@@ -172,6 +172,15 @@ class SG_EXPORT VertexProgram : public StateAttribute
             _programLocalParameters[index] = p;
         }
 
+        typedef std::map<GLuint,Vec4> LocalParamList;
+
+        /** Get list of Program Parameters */
+        inline LocalParamList& getLocalParamList() { return _programLocalParameters; }
+
+        /** Get const list of Program Parameters */
+        inline const LocalParamList& getLocalParamList() const { return _programLocalParameters; }
+
+
         /** Set matrix. */
         inline void setMatrix(const GLenum mode, const Matrix& matrix)
         {
@@ -267,7 +276,6 @@ class SG_EXPORT VertexProgram : public StateAttribute
 
         std::string     _vertexProgram;
 
-        typedef std::map<GLuint,Vec4> LocalParamList;
         LocalParamList  _programLocalParameters;
 
         typedef std::map<GLenum,Matrix> MatrixList;
diff --git a/src/osgPlugins/osg/VertexProgram.cpp b/src/osgPlugins/osg/VertexProgram.cpp
index c3d64f450..8090bf834 100644
--- a/src/osgPlugins/osg/VertexProgram.cpp
+++ b/src/osgPlugins/osg/VertexProgram.cpp
@@ -31,6 +31,20 @@ bool VertexProgram_readLocalData(Object& obj, Input& fr)
 
     VertexProgram& vertexProgram = static_cast<VertexProgram&>(obj);
 
+    if (fr[0].matchWord("ProgramLocalParameter"))
+    {
+        int index;
+        Vec4 vec;
+        fr[1].getInt(index);
+        fr[2].getFloat(vec[0]);
+        fr[3].getFloat(vec[1]);
+        fr[4].getFloat(vec[2]);
+        fr[5].getFloat(vec[3]);
+        fr += 6;
+        iteratorAdvanced = true;
+        vertexProgram.setProgramLocalParameter(index, vec);
+    }
+
     if (fr.matchSequence("code {")) {
 	std::string code;
 	fr += 2;
@@ -74,6 +88,14 @@ bool VertexProgram_writeLocalData(const Object& obj,Output& fw)
 {
     const VertexProgram& vertexProgram = static_cast<const VertexProgram&>(obj);
 
+    const VertexProgram::LocalParamList& lpl = vertexProgram.getLocalParamList();
+    VertexProgram::LocalParamList::const_iterator i;
+    for(i=lpl.begin(); i!=lpl.end(); i++)
+    {
+        fw.indent() << "ProgramLocalParameter " << (*i).first << " " << (*i).second << std::endl;
+    }
+
+
     std::vector<std::string> lines;
     std::istringstream iss(vertexProgram.getVertexProgram());
     std::string line;