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# cl_helper.h Example File
opengl/hellogl_es/cl_helper.h

     /****************************************************************************
     **
     ** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
     ** Contact: Qt Software Information (qt-info@nokia.com)
     **
     ** This file is part of the example classes of the Qt Toolkit.
     **
     ** Commercial Usage
     ** Licensees holding valid Qt Commercial licenses may use this file in
     ** accordance with the Qt Commercial License Agreement provided with the
     ** Software or, alternatively, in accordance with the terms contained in
     ** a written agreement between you and Nokia.
     **
     **
     ** GNU General Public License Usage
     ** Alternatively, this file may be used under the terms of the GNU
     ** General Public License versions 2.0 or 3.0 as published by the Free
     ** Software Foundation and appearing in the file LICENSE.GPL included in
     ** the packaging of this file.  Please review the following information
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     ** http://www.gnu.org/copyleft/gpl.html.  In addition, as a special
     ** exception, Nokia gives you certain additional rights. These rights
     ** are described in the Nokia Qt GPL Exception version 1.3, included in
     ** the file GPL_EXCEPTION.txt in this package.
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     ** Qt for Windows(R) Licensees
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     ** Designer, grants users of the Qt/Eclipse Integration plug-in the
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     #ifdef QT_OPENGL_ES_CL

     #define FLOAT2X(f)      ((int) ( (f) * (65536)))
     #define X2FLOAT(x)      ((float)(x) / 65536.0f)

     #define f2vt(f)     FLOAT2X(f)
     #define vt2f(x)     X2FLOAT(x)

     #define q_vertexType GLfixed
     #define q_vertexTypeEnum GL_FIXED

     #define q_glFog             glFogx
     #define q_glFogv            glFogxv

     #define q_glLight           glLightx
     #define q_glLightv          glLightxv
     #define q_glLightModel      glLightModelx
     #define q_glLightModelv     glLightModelxv

     #define q_glAlphaFunc       glAlphaFuncx

     #define q_glMaterial        glMaterialx
     #define q_glMaterialv       glMaterialxv
     #define q_glColor4          glColor4x

     #define q_glTexParameter    glTexParameterx
     #define q_glTexEnv          glTexEnvx

     #define q_glOrtho           glOrthox
     #define q_glFrustum         glFrustumx

     #define q_glTranslate       glTranslatex
     #define q_glScale           glScalex
     #define q_glRotate          glRotatex
     #define q_glLoadMatrix      glLoadMatrixx

     #define q_glClearColor      glClearColorx

     #define q_glMultMatrix      glMultMatrixx

     #define q_glNormal3         glNormal3x

     #define q_glPolygonOffset   glPolygonOffsetx
     #define q_glPointSize       glPointSizex

     #else

     #define f2vt(f)     (f)
     #define vt2f(x)     (x)

     #define q_vertexType GLfloat
     #define q_vertexTypeEnum GL_FLOAT

     #define q_glFog             glFogf
     #define q_glFogv            glFogfv

     #define q_glLight           glLightf
     #define q_glLightv          glLightfv
     #define q_glLightModel      glLightModelf
     #define q_glLightModelv     glLightModelfv

     #define q_glAlphaFunc       glAlphaFuncf

     #define q_glMaterial        glMaterialf
     #define q_glMaterialv       glMaterialfv
     #define q_glColor4          glColor4f

     #define q_glTexParameter    glTexParameterf
     #define q_glTexEnv          glTexEnvf

     #define q_glOrtho           glOrthof
     #define q_glFrustum         glFrustumf

     #define q_glTranslate       glTranslatef
     #define q_glScale           glScalef
     #define q_glRotate          glRotatef
     #define q_glLoadMatrix      glLoadMatrixf

     #define q_glClearColor      glClearColor

     #define q_glMultMatrix      glMultMatrixf

     #define q_glNormal3         glNormal3f

     #define q_glPolygonOffset   glPolygonOffsetf
     #define q_glPointSize       glPointSizef

     #endif