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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
-
-