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
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Last modified Sun Sep 27 22:02:25 2009