2 Copyright (C) 2003 Rice1964
4 This program is free software; you can redistribute it and/or
5 modify it under the terms of the GNU General Public License
6 as published by the Free Software Foundation; either version 2
7 of the License, or (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19 #ifndef _OGL_CONTEXT_H_
20 #define _OGL_CONTEXT_H_
23 #include "GraphicsContext.h"
25 class COGLGraphicsContext : public CGraphicsContext
27 friend class OGLRender;
28 friend class COGLRenderTexture;
30 virtual ~COGLGraphicsContext();
32 bool Initialize(uint32 dwWidth, uint32 dwHeight, BOOL bWindowed );
33 bool ResizeInitialize(uint32 dwWidth, uint32 dwHeight, BOOL bWindowed );
35 void Clear(ClearFlag dwFlags, uint32 color=0xFF000000, float depth=1.0f);
37 void UpdateFrame(bool swaponly=false);
38 int ToggleFullscreen(); // return 0 as the result is windowed
40 bool IsExtensionSupported(const char* pExtName);
41 bool IsWglExtensionSupported(const char* pExtName);
42 static void InitDeviceParameters();
44 //Get methods (TODO, remove all friend class and use get methods instead)
45 bool IsSupportAnisotropicFiltering();
46 int getMaxAnisotropicFiltering();
49 friend class OGLDeviceBuilder;
50 COGLGraphicsContext();
52 void InitOGLExtension(void);
53 bool SetFullscreenMode();
56 // Important OGL extension features
57 bool m_bSupportMultiTexture;
58 bool m_bSupportTextureEnvCombine;
59 bool m_bSupportSeparateSpecularColor;
60 bool m_bSupportSecondColor;
61 bool m_bSupportFogCoord;
62 bool m_bSupportTextureObject;
64 // Optional OGL extension features;
65 bool m_bSupportRescaleNormal;
66 bool m_bSupportLODBias;
67 bool m_bSupportAnisotropicFiltering;
68 int m_maxAnisotropicFiltering;
70 // Nvidia OGL only features
71 bool m_bSupportTextureMirrorRepeat;
72 bool m_bSupportTextureLOD;
73 bool m_bSupportNVRegisterCombiner;
74 bool m_bSupportBlendColor;
75 bool m_bSupportBlendSubtract;
76 bool m_bSupportNVTextureEnvCombine4;
78 // Minimal requirements, I will even not check them at runtime
79 //bool m_bSupportTextureEnvAdd;
80 //bool m_bSupportVertexArray;
82 const unsigned char* m_pVendorStr;
83 const unsigned char* m_pRenderStr;
84 const unsigned char* m_pExtensionStr;
85 const char* m_pWglExtensionStr;
86 const unsigned char* m_pVersionStr;