added qtbaseviewerpicking from qopengl branch

widgets/glWidget/QtBaseViewerPicking.cc

@@ -171,13 +171,18 @@ int glViewer::pickColor( ACG::SceneGraph::PickTarget _pickTarget,
 
 
   glViewport (l, b, w, h);
-  glMatrixMode(GL_PROJECTION);
-  glLoadIdentity();
 
-  glMultMatrixd(projection.get_raw_data());
-  glMatrixMode(GL_MODELVIEW);
-  glLoadMatrixd(modelview.get_raw_data());
-  ACG::GLState::disable(GL_LIGHTING);
+  if (properties_.glState().compatibilityProfile())
+  {
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+
+    glMultMatrixd(projection.get_raw_data());
+    glMatrixMode(GL_MODELVIEW);
+    glLoadMatrixd(modelview.get_raw_data());
+    ACG::GLState::disable(GL_LIGHTING);
+  }
+
   ACG::GLState::disable(GL_BLEND);
   ACG::GLState::enable(GL_DEPTH_TEST);
   glClear(GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT);
@@ -188,11 +193,14 @@ int glViewer::pickColor( ACG::SceneGraph::PickTarget _pickTarget,
   ACG::SceneGraph::traverse_multipass(sceneGraphRoot_, action,properties_.glState() );
 
   // restore GL state
-  glMatrixMode( GL_PROJECTION );
-  glLoadMatrixd(projection.get_raw_data());
-  glMatrixMode( GL_MODELVIEW );
-  glLoadMatrixd(modelview.get_raw_data());
-  ACG::GLState::enable(GL_LIGHTING);
+  if (properties_.glState().compatibilityProfile())
+  {
+    glMatrixMode(GL_PROJECTION);
+    glLoadMatrixd(projection.get_raw_data());
+    glMatrixMode(GL_MODELVIEW);
+    glLoadMatrixd(modelview.get_raw_data());
+    ACG::GLState::enable(GL_LIGHTING);
+  }
 
   properties_.glState().set_clear_color (clear_color);