/***********************************************************************************
 *                                                                                 *
 * Voreen - The Volume Rendering Engine                                            *
 *                                                                                 *
 * Copyright (C) 2005-2012 University of Muenster, Germany.                        *
 * Visualization and Computer Graphics Group <http://viscg.uni-muenster.de>        *
 * For a list of authors please refer to the file "CREDITS.txt".                   *
 *                                                                                 *
 * This file is part of the Voreen software package. Voreen is free software:      *
 * you can redistribute it and/or modify it under the terms of the GNU General     *
 * Public License version 2 as published by the Free Software Foundation.          *
 *                                                                                 *
 * Voreen 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 in the file   *
 * "LICENSE.txt" along with this file. If not, see <http://www.gnu.org/licenses/>. *
 *                                                                                 *
 * For non-commercial academic use see the license exception specified in the file *
 * "LICENSE-academic.txt". To get information about commercial licensing please    *
 * contact the authors.                                                            *
 *                                                                                 *
 ***********************************************************************************/

#ifndef VRN_GLSL_H
#define VRN_GLSL_H

#include "voreen/core/datastructures/volume/volume.h"
#include "voreen/core/datastructures/volume/volumeslicehelper.h"
#include "tgt/shadermanager.h"
#include "tgt/camera.h"
#include "tgt/textureunit.h"

namespace voreen {

void setUniform(tgt::Shader* shader, const std::string& volumeUniform, const std::string& structUniform, const VolumeBase* vh, const tgt::TextureUnit* texUnit, const tgt::Camera* camera = 0, const tgt::vec4& lightPosition = tgt::vec4(0.f));

bool bindVolumeTexture(const VolumeBase* vh, const tgt::TextureUnit* texUnit, GLint filterMode = GL_LINEAR, GLint wrapMode = GL_CLAMP_TO_EDGE, tgt::vec4 borderColor = tgt::vec4(0.f));

void setUniform(tgt::Shader* shader, const std::string& imageUniform, const std::string& structUniform, const Slice* sl, const tgt::TextureUnit* texUnit);

std::string generateStandardShaderHeader(const tgt::GpuCapabilities::GlVersion* version = 0);

}  // namespace voreen

#endif
