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Hackers Magazine 57
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k3d-setup-0.7.11.0.exe
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gl.h
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C/C++ Source or Header
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2008-11-07
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#ifndef K3DSDK_GL_H
#define K3DSDK_GL_H
// K-3D
// Copyright (c) 1995-2006, Timothy M. Shead
//
// Contact: tshead@k-3d.com
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public
// License as published by the Free Software Foundation; either
// version 2 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
// General Public License for more details.
//
// You should have received a copy of the GNU General Public
// License along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
/** \file
\author Tim Shead (tshead@k-3d.com)
*/
#include "k3d-platform-config.h"
#if defined K3D_API_WIN32
#include "win32.h"
#endif // !K3D_API_WIN32
#define GLEW_MX // multiple-context glew as per http://glew.sourceforge.net/advanced.html
#include "glew/glew.h" // Needed for cross-platform OpenGL > 1.1
// Keep track of current glew context. Viewport is responsible for setting this so glewGetContext works correctly
class glew_context
{
public:
/// Singleton implementation
static glew_context& instance();
/// Set the glew context
void set_context(GLEWContext* Context);
/// Get the glew context
GLEWContext* context();
private:
glew_context() : m_context(0) {}
static glew_context* m_instance;
GLEWContext* m_context;
};
// Required if GLEW_MX is defined:
#define glewGetContext() glew_context::instance().context()
#endif // !K3DSDK_GL_H