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/*
* Shader.h
*
* Copyright (C) 2009 Matthias Schiffer <matthias@gamezock.de>
*
* This program 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 3 of the License, or
* (at your option) any later version.
*
* This program 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 program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef ZOOM_SHADER_H_
#define ZOOM_SHADER_H_
#include "gl.h"
#include <string>
#include <boost/shared_ptr.hpp>
namespace Zoom {
class Shader {
public:
static boost::shared_ptr<Shader> load(const std::string &vertexShader, const std::string &fragmentShader);
static void enable(boost::shared_ptr<Shader> shader) {
if(shader)
glUseProgramObjectARB(shader->handle);
else
glUseProgramObjectARB(0);
}
static void disable() {
enable(boost::shared_ptr<Shader>());
}
~Shader() {
glDeleteObjectARB(handle);
}
private:
static GLhandleARB loadShader(const std::string &name, GLenum type);
static void printInfoLog(GLhandleARB obj);
Shader(GLhandleARB handle0) : handle(handle0) {}
// Prevent shallow copy
Shader(const Shader &o);
Shader& operator=(const Shader &o);
GLhandleARB handle;
};
}
#endif /* ZOOM_SHADER_H_ */
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