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/******************************************************************************
* SOFA, Simulation Open-Framework Architecture, version 1.0 beta 4 *
* (c) 2006-2009 MGH, INRIA, USTL, UJF, CNRS *
* *
* This library is free software; you can redistribute it and/or modify it *
* under the terms of the GNU Lesser General Public License as published by *
* the Free Software Foundation; either version 2.1 of the License, or (at *
* your option) any later version. *
* *
* This library 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 Lesser General Public License *
* for more details. *
* *
* You should have received a copy of the GNU Lesser General Public License *
* along with this library; if not, write to the Free Software Foundation, *
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. *
*******************************************************************************
* SOFA :: Framework *
* *
* Authors: M. Adam, J. Allard, B. Andre, P-J. Bensoussan, S. Cotin, C. Duriez,*
* H. Delingette, F. Falipou, F. Faure, S. Fonteneau, L. Heigeas, C. Mendoza, *
* M. Nesme, P. Neumann, J-P. de la Plata Alcade, F. Poyer and F. Roy *
* *
* Contact information: contact@sofa-framework.org *
******************************************************************************/
#include <sofa/helper/gl/Texture.h>
#include <assert.h>
namespace sofa
{
namespace helper
{
namespace gl
{
void Texture::init(void)
{
glGenTextures(1, &id); // Create The Texture
// std::cout << "Create "<<image->getWidth()<<"x"<<image->getHeight()<<" Texture "<<id<<std::endl;
// Typical Texture Generation Using Data From The Bitmap
glBindTexture(GL_TEXTURE_2D, id);
switch(image->getNbBits())
{
case 32:
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, image->getWidth(), image->getHeight(), 0, GL_RGBA, GL_UNSIGNED_BYTE, image->getData());
break;
case 24:
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, image->getWidth(), image->getHeight(), 0, GL_RGB, GL_UNSIGNED_BYTE, image->getData());
break;
case 8:
glTexImage2D(GL_TEXTURE_2D, 0, GL_INTENSITY, image->getWidth(), image->getHeight(), 0, GL_LUMINANCE, GL_UNSIGNED_BYTE, image->getData());
break;
}
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
// std::cout << "Texture "<<id<<" Created"<<std::endl;
}
void Texture::bind(void)
{
glBindTexture(GL_TEXTURE_2D, id);
}
void Texture::unbind(void)
{
glBindTexture(GL_TEXTURE_2D, 0);
}
io::Image* Texture::getImage(void)
{
return image;
}
Texture::~Texture(void)
{
glDeleteTextures(1, &id);
delete image;
}
} // namespace gl
} // namespace helper
} // namespace sofa
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