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gl_context_mgr.h
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1/*
2 * This program source code file is part of KiCad, a free EDA CAD application.
3 *
4 * Copyright (C) 2016 CERN
5 * Copyright (C) 2020-2021 KiCad Developers, see AUTHORS.txt for contributors.
6 *
7 * @author Maciej Suminski <[email protected]>
8 *
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
11 * as published by the Free Software Foundation; either version 2
12 * of the License, or (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, you may find one here:
21 * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
22 * or you may search the http://www.gnu.org website for the version 2 license,
23 * or you may write to the Free Software Foundation, Inc.,
24 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
25 */
26
27#ifndef GL_CONTEXT_MANAGER_H
28#define GL_CONTEXT_MANAGER_H
29
30#include <gal/gal.h>
31#include <wx/glcanvas.h>
32#include <mutex>
33#include <map>
34
36{
37public:
41 static GL_CONTEXT_MANAGER& Get();
42
51 wxGLContext* CreateCtx( wxGLCanvas* aCanvas, const wxGLContext* aOther = nullptr );
52
60 void DestroyCtx( wxGLContext* aContext );
61
67 void DeleteAll();
68
79 void LockCtx( wxGLContext* aContext, wxGLCanvas* aCanvas );
80
87 void UnlockCtx( wxGLContext* aContext );
88
89private:
91 std::map<wxGLContext*, wxGLCanvas*> m_glContexts;
92
94 wxGLContext* m_glCtx;
95
97 std::mutex m_glCtxMutex;
98
99 // Singleton
103};
104
105#endif /* GL_CONTEXT_MANAGER_H */
106
wxGLContext * m_glCtx
Lock to prevent unexpected GL context switching.
std::mutex m_glCtxMutex
GL_CONTEXT_MANAGER(const GL_CONTEXT_MANAGER &)
std::map< wxGLContext *, wxGLCanvas * > m_glContexts
< Map of GL contexts & their parent canvases.
void operator=(const GL_CONTEXT_MANAGER &)
#define GAL_API
Definition: gal.h:28