OgreRenderTexture.h

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00001 /*
00002 -----------------------------------------------------------------------------
00003 This source file is part of OGRE
00004 (Object-oriented Graphics Rendering Engine)
00005 For the latest info, see http://www.ogre3d.org/
00006 
00007 Copyright (c) 2000-2006 Torus Knot Software Ltd
00008 Also see acknowledgements in Readme.html
00009 
00010 This program is free software; you can redistribute it and/or modify it under
00011 the terms of the GNU Lesser General Public License as published by the Free Software
00012 Foundation; either version 2 of the License, or (at your option) any later
00013 version.
00014 
00015 This program is distributed in the hope that it will be useful, but WITHOUT
00016 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
00017 FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
00018 
00019 You should have received a copy of the GNU Lesser General Public License along with
00020 this program; if not, write to the Free Software Foundation, Inc., 59 Temple
00021 Place - Suite 330, Boston, MA 02111-1307, USA, or go to
00022 http://www.gnu.org/copyleft/lesser.txt.
00023 
00024 You may alternatively use this source under the terms of a specific version of
00025 the OGRE Unrestricted License provided you have obtained such a license from
00026 Torus Knot Software Ltd.
00027 -----------------------------------------------------------------------------
00028 */
00029 #ifndef __RenderTexture_H__
00030 #define __RenderTexture_H__
00031 
00032 #include "OgrePrerequisites.h"
00033 
00034 #include "OgreRenderTarget.h"
00035 
00036 namespace Ogre
00037 {    
00043     class _OgreExport RenderTexture: public RenderTarget
00044     {
00045     public:
00046         RenderTexture(HardwarePixelBuffer *buffer, size_t zoffset);
00047         virtual ~RenderTexture();
00048 
00049         virtual void copyContentsToMemory(const PixelBox &dst, FrameBuffer buffer);
00050         PixelFormat suggestPixelFormat() const;
00051 
00052     protected:
00053         HardwarePixelBuffer *mBuffer;
00054         size_t mZOffset;
00055     };
00056 
00064     class _OgreExport MultiRenderTarget: public RenderTarget
00065     {
00066     public:
00067         MultiRenderTarget(const String &name);
00068 
00078         virtual void bindSurface(size_t attachment, RenderTexture *target)
00079         {
00080             for (size_t i = mBoundSurfaces.size(); i <= attachment; ++i)
00081             {
00082                 mBoundSurfaces.push_back(0);
00083             }
00084             mBoundSurfaces[attachment] = target;
00085 
00086             bindSurfaceImpl(attachment, target);
00087         }
00088 
00089 
00090 
00094         virtual void unbindSurface(size_t attachment)
00095         {
00096             if (attachment < mBoundSurfaces.size())
00097                 mBoundSurfaces[attachment] = 0;
00098             unbindSurfaceImpl(attachment);
00099         }
00100 
00104         virtual void copyContentsToMemory(const PixelBox &dst, FrameBuffer buffer);
00105 
00107         PixelFormat suggestPixelFormat() const { return PF_UNKNOWN; }
00108 
00109         typedef std::vector<RenderTexture*> BoundSufaceList;
00111         const BoundSufaceList& getBoundSurfaceList() const { return mBoundSurfaces; }
00112 
00114         RenderTexture* getBoundSurface(size_t index)
00115         {
00116             assert (index < mBoundSurfaces.size());
00117             return mBoundSurfaces[index];
00118         }
00119 
00120 
00121     protected:
00122         BoundSufaceList mBoundSurfaces;
00123 
00125         virtual void bindSurfaceImpl(size_t attachment, RenderTexture *target) = 0;
00127         virtual void unbindSurfaceImpl(size_t attachment) = 0;
00128 
00129 
00130     };
00131 }
00132 
00133 #endif

Copyright © 2008 Torus Knot Software Ltd
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Last modified Sun Sep 27 22:02:25 2009