Debug RTStruct conversion with empty struc

[clitk.git] / vv / vvBlendImageActor.cxx

diff --git a/vv/vvBlendImageActor.cxx b/vv/vvBlendImageActor.cxx
index 466083ae010278c55cf6c905577396d9bdb9def9..77ae059723db66360a7cfcdd65d22b096aa68d3d 100644 (file)
--- a/vv/vvBlendImageActor.cxx
+++ b/vv/vvBlendImageActor.cxx
@@ -17,12 +17,15 @@ It is distributed under dual licence
 ===========================================================================**/
 
 #include "vvBlendImageActor.h"
-
+#ifdef VTK_OPENGL2
+  #include <vtk_glew.h>
+#else
+  #include <vtkgl.h>
+  #include <vtkOpenGLExtensionManager.h>
+#endif
 #include <vtkOpenGLRenderWindow.h>
-#include <vtkOpenGLExtensionManager.h>
 #include <vtkOpenGLRenderer.h>
 #include <vtkOpenGL.h>
-#include <vtkgl.h>
 #include <vtkObjectFactory.h>
 
 vtkStandardNewMacro(vvBlendImageActor);
@@ -40,6 +43,13 @@ void vvBlendImageActor::Render(vtkRenderer *ren)
 {
   //Change blending to maximum per component instead of weighted sum
   vtkOpenGLRenderWindow *renwin = dynamic_cast<vtkOpenGLRenderWindow*>(ren->GetRenderWindow());
+#ifdef VTK_OPENGL2
+  const char *extensions = renwin->ReportCapabilities();
+
+  //Call normal render
+  VTK_IMAGE_ACTOR::Render(ren);
+
+#else
   vtkOpenGLExtensionManager *extensions = renwin->GetExtensionManager();
   if (extensions->ExtensionSupported("GL_EXT_blend_minmax")) {
     extensions->LoadExtension("GL_EXT_blend_minmax");
@@ -47,12 +57,13 @@ void vvBlendImageActor::Render(vtkRenderer *ren)
   }
 
   //Call normal render
-  vtkImageActor::Render(ren);
+  VTK_IMAGE_ACTOR::Render(ren);
 
   //Move back blending to weighted sum
   if (vtkgl::BlendEquationEXT!=0) {
     vtkgl::BlendEquationEXT( vtkgl::FUNC_ADD );
   }
+#endif
 }
 
 void vvBlendImageActor::PrintSelf(ostream& os, vtkIndent indent)