# 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
This work is licensed under a Creative Commons Attribution-ShareAlike 2.5 License.
Last modified Sun Dec 27 17:31:07 2009