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<td align="right" valign="top" width="230"></td></tr></table><h1 class="title">glshaders.h Example File<br /><span class="small-subtitle">demos/boxes/glshaders.h</span>

</h1>

<pre><span class="comment"> /****************************************************************************

** Contact: Nokia Corporation (qt-info@nokia.com)

** This file is part of the demonstration applications of the Qt Toolkit.

** $QT_BEGIN_LICENSE:LGPL$

** 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 Lesser General Public License Usage

** Alternatively, this file may be used under the terms of the GNU Lesser

** General Public License version 2.1 as published by the Free Software

** Foundation and appearing in the file LICENSE.LGPL included in the

** packaging of this file. Please review the following information to

** ensure the GNU Lesser General Public License version 2.1 requirements

** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

** In addition, as a special exception, Nokia gives you certain

** additional rights. These rights are described in the Nokia Qt LGPL

** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this

** package.

** GNU General Public License Usage

** Alternatively, this file may be used under the terms of the GNU

** General Public License version 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 to

** ensure the GNU General Public License version 3.0 requirements will be

** met: http://www.gnu.org/copyleft/gpl.html.

** If you are unsure which license is appropriate for your use, please

** contact the sales department at http://www.qtsoftware.com/contact.

** $QT_END_LICENSE$

****************************************************************************/</span>

#ifndef GLSHADERS_H

#define GLSHADERS_H

<span class="comment"> //#include <GL/glew.h></span>

#include "glextensions.h"

#include <QtGui>

#include <QtOpenGL>

#include "vector.h"

class GLShader

{

public:

friend class GLProgram;

virtual ~GLShader();

bool failed() const {return m_failed;}

QString log();

protected:

GLShader(const char *data, int size, GLenum shaderType);

GLShader(const QString& fileName, GLenum shaderType);

GLhandleARB m_shader;

bool m_compileError;

bool m_failed;

};

class GLVertexShader : public GLShader

{

public:

GLVertexShader(const char *data, int size);

GLVertexShader(const QString& fileName);

};

class GLFragmentShader : public GLShader

{

public:

GLFragmentShader(const char *data, int size);

GLFragmentShader(const QString& fileName);

};

class GLProgram

{

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public:

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GLProgram();

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~GLProgram();

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void attach(const GLShader &shader);

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void detach(const GLShader &shader);

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void bind();

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void unbind();

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bool failed();

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QString log();

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bool hasParameter(const QString& name);

110

<span class="comment">// use program before setting values</span>

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void setInt(const QString& name, int value);

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void setFloat(const QString& name, float value);

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void setColor(const QString& name, QRgb value);

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void setMatrix(const QString& name, const gfx::Matrix4x4f &mat);

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<span class="comment">// TODO: add a bunch of set-functions for different types.</span>

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private:

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GLhandleARB m_program;

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bool m_linked;

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bool m_linkError;

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bool m_failed;

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};

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#endif</pre>

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