Changeset 6554 for OpenSceneGraph/trunk/examples/osgparametric/osgparametric.cpp

Timestamp:

04/25/07 17:32:33 (6 years ago)

Author:

robert

Message:

Added --static and --vbo options to allow the user to toggle on/off dynamic updating
of geometry and use of vertex buffer objects.

Files:

• OpenSceneGraph/trunk/examples/osgparametric/osgparametric.cpp (modified) (7 diffs)

OpenSceneGraph/trunk/examples/osgparametric/osgparametric.cpp

@@ -14 +14 @@
 
 #include <osgViewer/Viewer>
+#include <osgViewer/StatsHandler>
 
 #include <iostream>
@@ -88 +89 @@
 };
 
-osg::Node* createModel(const std::string& shader, const std::string& textureFileName, const std::string& terrainFileName)
+osg::Node* createModel(const std::string& shader, const std::string& textureFileName, const std::string& terrainFileName, bool dynamic, bool vbo)
 {
     osg::Geode* geode = new osg::Geode;
@@ -113 +114 @@
 
             osg::Uniform* coeff = new osg::Uniform("coeff",osg::Vec4(1.0,-1.0f,-1.0f,1.0f));
-            coeff->setUpdateCallback(new UniformVarying);
+            
             stateset->addUniform(coeff);
-            stateset->setDataVariance(osg::Object::DYNAMIC);
+
+            if (dynamic)
+            {
+                coeff->setUpdateCallback(new UniformVarying);
+                coeff->setDataVariance(osg::Object::DYNAMIC);
+                stateset->setDataVariance(osg::Object::DYNAMIC);
+            }
+            
         }
         else if (shader=="matrix")
@@ -226 +234 @@
     }
     
-    // geom->setUseVertexBufferObjects(true);
+    geom->setUseVertexBufferObjects(vbo);
 
     return geode;
@@ -244 +252 @@
     osgViewer::Viewer viewer;
 
+    // add the stats handler
+    viewer.addEventHandler(new osgViewer::StatsHandler);
+
     std::string shader("simple");
     while(arguments.read("-s",shader)) {}
@@ -253 +264 @@
     while(arguments.read("-d",terrainFileName)) {}
 
+    bool dynamic = true;
+    while(arguments.read("--static")) { dynamic = false; }
+
+    bool vbo = false;
+    while(arguments.read("--vbo")) { vbo = true; }
+
     // if user request help write it out to cout.
     if (arguments.read("-h") || arguments.read("--help"))
@@ -259 +276 @@
         return 1;
     }
-
+    
     // load the nodes from the commandline arguments.
-    osg::Node* model = createModel(shader,textureFileName,terrainFileName);
+    osg::Node* model = createModel(shader,textureFileName,terrainFileName, dynamic, vbo);
     if (!model)
     {