add vcglib
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/****************************************************************************
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* VCGLib o o *
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* Visual and Computer Graphics Library o o *
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* _ O _ *
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* Copyright(C) 2007 \/)\/ *
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* Visual Computing Lab /\/| *
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* ISTI - Italian National Research Council | *
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* \ *
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* All rights reserved. *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License (http://www.gnu.org/licenses/gpl.txt) *
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* for more details. *
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* *
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****************************************************************************/
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/****************************************************************************
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History
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$Log: not supported by cvs2svn $
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Revision 1.1 2007/10/18 08:52:06 benedetti
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Initial release.
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****************************************************************************/
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#include "glarea.h"
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#include <QKeyEvent>
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#include <QKeyEvent>
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#include <QWheelEvent>
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#include <wrap/qt/trackball.h>
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#include <cassert>
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#include <wrap/gl/trimesh.h>
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#include "mainwindow.h"
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GLArea::GLArea (SharedDataOpenGLContext* sharedcontext,MainWindow* parent)
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:QGLWidget(NULL,sharedcontext),parwin(parent)
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{
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}
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GLArea::~GLArea()
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{
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}
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void GLArea::initializeGL()
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{
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makeCurrent();
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glewExperimental=GL_TRUE;
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glewInit();
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glClearColor(0, 0, 0, 0);
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glEnable(GL_LIGHTING);
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glEnable(GL_LIGHT0);
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glEnable(GL_NORMALIZE);
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glEnable(GL_COLOR_MATERIAL);
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glEnable(GL_CULL_FACE);
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glEnable(GL_DEPTH_TEST);
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GLenum err = glGetError();
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assert(err == GL_NO_ERROR);
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doneCurrent();
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}
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void GLArea::resizeGL (int w, int h)
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{
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makeCurrent();
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glViewport (0, 0, (GLsizei) w, (GLsizei) h);
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doneCurrent();
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//initializeGL();
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}
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void GLArea::paintGL ()
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{
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if (parwin == NULL)
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return;
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SharedDataOpenGLContext::MultiViewManager* man = parwin->getMultiviewerManager();
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if (man == NULL)
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return;
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CMeshO& mesh = parwin->currentMesh();
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//glt.m = &mesh;
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makeCurrent();
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glPushAttrib(GL_ALL_ATTRIB_BITS);
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glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
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glMatrixMode(GL_PROJECTION);
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glPushMatrix();
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glLoadIdentity();
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gluPerspective(25, GLArea::width()/(float)GLArea::height(), 0.1, 100);
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glMatrixMode(GL_MODELVIEW);
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glPushMatrix();
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glLoadIdentity();
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gluLookAt(0,0,5, 0,0,0, 0,1,0);
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track.center=vcg::Point3f(0, 0, 0);
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track.radius= 1;
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track.GetView();
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track.Apply();
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glPushMatrix();
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if (mesh.VN() > 0)
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{
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float d=2.0f/mesh.bbox.Diag();
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vcg::glScale(d);
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glTranslate(-mesh.bbox.Center());
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man->draw(context());
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}
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glPopMatrix();
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track.DrawPostApply();
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glPopMatrix();
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glMatrixMode(GL_PROJECTION);
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glPopMatrix();
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glPopAttrib();
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GLenum err = glGetError();
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assert(err == GL_NO_ERROR);
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}
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void GLArea::keyReleaseEvent (QKeyEvent * e)
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{
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e->ignore ();
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if (e->key () == Qt::Key_Control)
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track.ButtonUp (QT2VCG (Qt::NoButton, Qt::ControlModifier));
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if (e->key () == Qt::Key_Shift)
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track.ButtonUp (QT2VCG (Qt::NoButton, Qt::ShiftModifier));
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if (e->key () == Qt::Key_Alt)
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track.ButtonUp (QT2VCG (Qt::NoButton, Qt::AltModifier));
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makeCurrent();
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updateGL ();
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doneCurrent();
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}
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void GLArea::keyPressEvent (QKeyEvent * e)
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{
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e->ignore ();
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if (e->key () == Qt::Key_Control)
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track.ButtonDown (QT2VCG (Qt::NoButton, Qt::ControlModifier));
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if (e->key () == Qt::Key_Shift)
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track.ButtonDown (QT2VCG (Qt::NoButton, Qt::ShiftModifier));
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if (e->key () == Qt::Key_Alt)
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track.ButtonDown (QT2VCG (Qt::NoButton, Qt::AltModifier));
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makeCurrent();
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updateGL ();
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doneCurrent();
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}
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void GLArea::mousePressEvent (QMouseEvent * e)
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{
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e->accept ();
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setFocus ();
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track.MouseDown (QT2VCG_X(this,e), QT2VCG_Y(this,e), QT2VCG (e->button (), e->modifiers ()));
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makeCurrent();
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updateGL ();
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doneCurrent();
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}
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void GLArea::mouseMoveEvent (QMouseEvent * e)
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{
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if (e->buttons ()) {
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track.MouseMove (QT2VCG_X(this,e), QT2VCG_Y(this,e));
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makeCurrent();
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updateGL ();
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doneCurrent();
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}
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}
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void GLArea::mouseReleaseEvent (QMouseEvent * e)
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{
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track.MouseUp (QT2VCG_X(this,e), QT2VCG_Y(this,e), QT2VCG (e->button (), e->modifiers ()));
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makeCurrent();
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updateGL ();
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doneCurrent();
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}
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void GLArea::wheelEvent (QWheelEvent * e)
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{
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const int WHEEL_STEP = 120;
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track.MouseWheel (e->delta () / float (WHEEL_STEP), QTWheel2VCG (e->modifiers ()));
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makeCurrent();
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updateGL ();
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doneCurrent();
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}
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void GLArea::resetTrackBall()
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{
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track.Reset();
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makeCurrent();
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updateGL();
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doneCurrent();
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}
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SharedDataOpenGLContext::SharedDataOpenGLContext(CMeshO& mesh,vcg::QtThreadSafeMemoryInfo& mi,QWidget* parent)
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:QGLWidget(parent),manager(mesh,mi,100000)
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{
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}
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SharedDataOpenGLContext::~SharedDataOpenGLContext()
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{
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}
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void SharedDataOpenGLContext::myInitGL()
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{
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makeCurrent();
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glewInit();
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doneCurrent();
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}
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void SharedDataOpenGLContext::deAllocateBO()
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{
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makeCurrent();
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manager.removeAllViewsAndDeallocateBO();
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doneCurrent();
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}
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void SharedDataOpenGLContext::setPerViewRendAtts( QGLContext* viewid,vcg::GLMeshAttributesInfo::PRIMITIVE_MODALITY_MASK mm,vcg::GLMeshAttributesInfo::RendAtts& atts )
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{
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manager.setPerViewInfo(viewid,mm,atts);
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}
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void SharedDataOpenGLContext::manageBuffers()
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{
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makeCurrent();
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manager.manageBuffers();
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doneCurrent();
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}
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