/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2012 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
**
** GNU Lesser General Public License Usage
**
** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** Other Usage
**
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
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**************************************************************************/

// Fragment shader special variables.
vec4  gl_FragCoord;
bool  gl_FrontFacing;
vec4  gl_FragColor;
vec4  gl_FragData[gl_MaxDrawBuffers];
float gl_FragDepth;

// Varying variables.
varying vec4  gl_Color;
varying vec4  gl_SecondaryColor;
varying vec4  gl_TexCoord[];
varying float gl_FogFragCoord;
varying vec2  gl_PointCoord;

// Fragment processing functions.
float dFdx(float p);
vec2 dFdx(vec2 p);
vec3 dFdx(vec3 p);
vec4 dFdx(vec4 p);
float dFdy(float p);
vec2 dFdy(vec2 p);
vec3 dFdy(vec3 p);
vec4 dFdy(vec4 p);
float fwidth(float p);
vec2 fwidth(vec2 p);
vec3 fwidth(vec3 p);
vec4 fwidth(vec4 p);