src/render/rTextureRenderTarget.h

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00001 /*
00002 
00003 *************************************************************************
00004 
00005 ArmageTron -- Just another Tron Lightcycle Game in 3D.
00006 Copyright (C) 2006, Armagetron Advanced Development Team
00007 
00008 **************************************************************************
00009 
00010 This program is free software; you can redistribute it and/or
00011 modify it under the terms of the GNU General Public License
00012 as published by the Free Software Foundation; either version 2
00013 of the License, or (at your option) any later version.
00014 
00015 This program is distributed in the hope that it will be useful,
00016 but WITHOUT ANY WARRANTY; without even the implied warranty of
00017 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00018 GNU General Public License for more details.
00019 
00020 You should have received a copy of the GNU General Public License
00021 along with this program; if not, write to the Free Software
00022 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
00023 
00024 ***************************************************************************
00025 
00026 */
00027 
00028 #ifndef ArmageTron_TEXTURERENDERTARGET_H
00029 #define ArmageTron_TEXTURERENDERTARGET_H
00030 
00031 #include "rGLEW.h"
00032 #include "rTexture.h"
00033 #include "rGLuintObject.h"
00034 
00036 class rTextureRenderTarget: public rITexture
00037 {
00038 public:
00040     void Clear();
00041 
00042     ~rTextureRenderTarget();
00043 
00045     rTextureRenderTarget( int width, int height );
00046 
00048     void Push();
00049 
00051     void Pop();
00052 
00054     static void Restore();
00055 
00056     bool IsTarget() const
00057     {
00058         return anchor == this;
00059     }
00060 
00061     int GetHeight() const
00062     {
00063         return height_;
00064     }
00065 
00066     int GetWidth() const
00067     {
00068         return width_;
00069     }
00070 protected:
00071     virtual void OnSelect(bool);
00072 
00073     // nothing special to do here
00074     virtual void OnUnload(){}
00075 private:
00076     rGLuintObjectTexture texture_;           
00077     rGLuintObjectRenderbuffer depthBuffer_;  
00078     rGLuintObjectFramebuffer frameBuffer_;   
00079 
00080 
00081     static rTextureRenderTarget * anchor;
00082     rTextureRenderTarget * previous;
00083 
00084     int width_, height_;
00085     GLenum colorMode, depthMode;
00086 public:
00087 };
00088 
00089 #endif
00090 
00091 

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