fysxasteroids/engine/libraries/oglft/tests/speedtest.h

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2010-04-05 23:38:59 +02:00
/* -*- c++ -*-
* speedtest.h: Header for Performance test for the OGLFT library
* Copyright (C) 2002 lignum Computing, Inc. <oglft@lignumcomputing.com>
2010-11-13 18:37:16 +01:00
* $Id: speedtest.h,v 1.2 2002/02/04 19:01:17 allen Exp $
2010-04-05 23:38:59 +02:00
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef SPEEDTEST_H
#define SPEEDTEST_H
#include <stdlib.h>
#include <qgl.h>
#include <qqueue.h>
#include <qtimer.h>
// Little animation vignettes. The function calls essentially follow
// those of the Qt OpenGL widget and are called at the corresponding times.
struct Vignette {
virtual ~Vignette ( void ) {}
virtual unsigned int frame_count ( void ) = 0;
virtual void init ( void ) = 0;
virtual void view ( GLdouble /*left*/, GLdouble /*right*/,
GLdouble /*bottom*/, GLdouble /*top*/ )
{}
virtual void reset ( void )
{}
virtual bool input ( QKeyEvent* e )
{
if ( e->key() == Qt::Key_Escape ) exit( 0 );
return false;
}
virtual void draw ( int frame_number ) = 0;
virtual void finish ( void ) = 0;
};
// Yet another OpenGL view widget.
class CharacterView : public QGLWidget {
Q_OBJECT
GLsizei window_width_, window_height_;
GLdouble view_width_, view_height_;
GLdouble view_left_, view_right_, view_bottom_, view_top_;
GLdouble rot_x_, rot_y_, rot_z_;
QTimer redraw_timer_;
QTimer performance_timer_;
unsigned int frame_counter_;
unsigned int counter_snapshot_;
unsigned int animation_frame_count_;
unsigned int iteration_counter_;
unsigned int maximum_iterations_;
static const unsigned int PERFORMANCE_SAMPLE_RATE_HZ = 1;
static const unsigned int MAXIMUM_ITERATIONS = 4;
QQueue<Vignette> vignettes;
protected slots:
void redraw ( void );
void measure_performance ( void );
public:
CharacterView ( const char* text, const char* fontfile,
QWidget* parent = 0, const char* name = 0 );
protected:
void initializeGL ( void );
void resizeGL ( int w, int h );
void paintGL ( void );
void keyPressEvent ( QKeyEvent* e );
void resetView ( void );
};
#endif /* SPEEDTEST_H */