/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * Copyright 2008 by Sun Microsystems, Inc.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * $RCSfile: $
 * $Revision: $
 *
 * This file is part of OpenOffice.org.
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 * only, as published by the Free Software Foundation.
 *
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
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 * version 3 along with OpenOffice.org.  If not, see
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#ifndef INCLUDED_OGLTRANS_SHADERS_HXX_
#define INCLUDED_OGLTRANS_SHADERS_HXX_

#define GL_GLEXT_PROTOTYPES 1
#include <GL/gl.h>
#include <GL/glext.h>

class OGLShaders {
    static bool Initialize();
    static bool cbInitialized;

public:

    static GLuint LinkProgram( const char *vertexShader, const char *fragmentShader );

    /** GL shader functions
     */
#ifdef GL_VERSION_2_0

    static PFNGLCREATESHADERPROC glCreateShader;
    static PFNGLSHADERSOURCEPROC glShaderSource;
    static PFNGLCOMPILESHADERPROC glCompileShader;
    static PFNGLGETSHADERIVPROC glGetShaderiv;
    static PFNGLGETSHADERINFOLOGPROC glGetShaderInfoLog;
    static PFNGLDELETESHADERPROC glDeleteShader;

    static PFNGLCREATEPROGRAMPROC glCreateProgram;
    static PFNGLATTACHSHADERPROC glAttachShader;
    static PFNGLLINKPROGRAMPROC glLinkProgram;
    static PFNGLGETPROGRAMIVPROC glGetProgramiv;
    static PFNGLGETPROGRAMINFOLOGPROC glGetProgramInfoLog;
    static PFNGLUSEPROGRAMPROC glUseProgram;
    static PFNGLDELETEPROGRAMPROC glDeleteProgram;

    static PFNGLGETUNIFORMLOCATIONPROC glGetUniformLocation;
    static PFNGLUNIFORM1IPROC glUniform1i;
    static PFNGLUNIFORM1FPROC glUniform1f;
#endif
};

#endif