1 /* ResidualVM - A 3D game interpreter
2  *
3  * ResidualVM is the legal property of its developers, whose names
4  * are too numerous to list here. Please refer to the COPYRIGHT
5  * file distributed with this source distribution.
6  *
7  * This program is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License
9  * as published by the Free Software Foundation; either version 2
10  * of the License, or (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
20  *
21  */
22 
23 /*
24  * This file is based on WME.
25  * http://dead-code.org/redir.php?target=wme
26  * Copyright (c) 2003-2013 Jan Nedoma and contributors
27  */
28 
29 #ifndef WINTERMUTE_SHADOW_VOLUME_OPENGL_H
30 #define WINTERMUTE_SHADOW_VOLUME_OPENGL_H
31 
32 #include "engines/wintermute/base/gfx/shadow_volume.h"
33 
34 #if (defined(USE_OPENGL_GAME) || defined(USE_OPENGL_SHADERS)) && !defined(USE_GLES2)
35 
36 namespace Wintermute {
37 
38 class ShadowVolumeOpenGL : public ShadowVolume {
39 public:
40 	ShadowVolumeOpenGL(BaseGame *inGame);
41 	virtual ~ShadowVolumeOpenGL();
42 
43 	bool renderToStencilBuffer() override;
44 	bool renderToScene() override;
45 
46 private:
47 	bool render();
48 	ShadowVertex _shadowMask[4];
49 	bool initMask() override;
50 };
51 
52 } // namespace Wintermute
53 
54 #endif // defined(USE_OPENGL_GAME) && !defined(USE_GLES2)
55 
56 #endif
57