* Added openGL headers generated by glLoadGen

* use glLoadGen headers and initialize function instead of glew
* removed glew from ACG cmakelists

OpenFlipper.cc

@@ -447,12 +447,13 @@ int main(int argc, char **argv)
       }
      }
     
-    // After setting all Options from command line, build the real gui
-    w->init();
-
+    //TODO: find out why just init functions if not apple...
     #ifndef __APPLE__
-    initGlew();
+    initOpenGLFunctions();
     #endif
+
+    // After setting all Options from command line, build the real gui
+    w->init();   
  
     for ( int i = 0 ; i < args.FileCount(); ++i )
       w->commandLineOpen(args.File(i), openPolyMeshes);    

common/glew_wrappers.cc

@@ -48,19 +48,23 @@
 \*===========================================================================*/
 
 #include "glew_wrappers.hh"
+#include <ACG/GL/gl_compat_4_4.hh>
 
-#include <GL/glew.h>
 #include <stdio.h>
+#include <string>
 
-DLLEXPORT void initGlew() {
-    GLenum err = glewInit();
-    if (GLEW_OK != err)
+DLLEXPORT void initOpenGLFunctions() {
+
+  int error = ogl_LoadFunctions();
+    if(error != ogl_LOAD_SUCCEEDED)
     {
-      /* Problem: glewInit failed, something is seriously wrong. */
-      fprintf(stderr, "Error: %s\n", glewGetErrorString(err));
+      /* Problem: loading the opengl functions failed, something is seriously wrong. */
+      fprintf(stderr, "Error when initializing opengl functions: %d\n",error);
     }
 }
 
-DLLEXPORT const char * getGlewVersion() {
-    return (const char *)glewGetString(GLEW_VERSION);
+DLLEXPORT const char * getOpenGLVersion() {
+    std::string version;
+    version = ogl_GetMajorVersion()+"."+ogl_GetMinorVersion();
+    return version.c_str() ;
 }

common/glew_wrappers.hh

@@ -52,7 +52,7 @@
 
 #include <OpenFlipper/common/GlobalDefines.hh>
 
-DLLEXPORT void initGlew();
-DLLEXPORT const char * getGlewVersion();
+DLLEXPORT void initOpenGLFunctions();
+DLLEXPORT const char * getOpenGLVersion();
 
 #endif /* GLEW_WRAPPERS_HH_ */

widgets/coreWidget/About.cc

@@ -595,7 +595,8 @@ void CoreWidget::showAboutWidget( ) {
   aboutWidget_->OpenFlipperAbout->append(tr("GLEW Specific Info:"));
   aboutWidget_->OpenFlipperAbout->setCurrentFont(standardFont);
   
-  QString glewVersion = QString(getGlewVersion());
+  //TODO: rename this we are not using glew anymore
+  QString glewVersion = QString(getOpenGLVersion());
   aboutWidget_->OpenFlipperAbout->append(tr("GLEW Version:\t") + glewVersion);
   #endif
   

widgets/glWidget/QtGLGraphicsScene.cc

@@ -110,9 +110,9 @@ void QtGLGraphicsScene::drawBackground(QPainter *_painter, const QRectF &_rect)
   static bool initialized = false;
   if (!initialized)
   {
-    // we use GLEW to manage extensions
+    // we use glLoadGen to manage extensions :/
     // initialize it first
-    glewInit();
+    ogl_LoadFunctions();
     for (unsigned int i = 0; i < views_->size (); i++)
     {
       views_->at(i)->initializeGL ();

widgets/glWidget/simpleGLGraphicsScene.cc

@@ -114,10 +114,10 @@ void SimpleGLGraphicsScene::drawBackground(QPainter *_painter, const QRectF &_re
 
   if (!initialized_)
   {
-    // we use GLEW to manage extensions
+    // we use glLoadGen to manage extensions
     // initialize it first
     #ifndef __APPLE__
-    glewInit();
+    ogl_LoadFunctions();
     #endif
     view_->initializeGL();
     cursorPainter_->initializeGL ();