# 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) 2000-2009 Torus Knot Software Ltd
    00008
    00009 Permission is hereby granted, free of charge, to any person obtaining a copy
    00010 of this software and associated documentation files (the "Software"), to deal
    00011 in the Software without restriction, including without limitation the rights
    00012 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
    00013 copies of the Software, and to permit persons to whom the Software is
    00014 furnished to do so, subject to the following conditions:
    00015
    00016 The above copyright notice and this permission notice shall be included in
    00017 all copies or substantial portions of the Software.
    00018
    00019 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    00020 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    00021 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    00022 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    00023 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    00024 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    00025 THE SOFTWARE.
    00026 -----------------------------------------------------------------------------
    00027 */
    00028 #ifndef __RenderTexture_H__
    00029 #define __RenderTexture_H__
    00030
    00031 #include "OgrePrerequisites.h"
    00032
    00033 #include "OgreRenderTarget.h"
    00034
    00035 namespace Ogre
    00036 {
    00048     class _OgreExport RenderTexture: public RenderTarget
    00049     {
    00050     public:
    00051         RenderTexture(HardwarePixelBuffer *buffer, size_t zoffset);
    00052         virtual ~RenderTexture();
    00053
    00054         virtual void copyContentsToMemory(const PixelBox &dst, FrameBuffer buffer);
    00055         PixelFormat suggestPixelFormat() const;
    00056
    00057     protected:
    00058         HardwarePixelBuffer *mBuffer;
    00059         size_t mZOffset;
    00060     };
    00061
    00069     class _OgreExport MultiRenderTarget: public RenderTarget
    00070     {
    00071     public:
    00072         MultiRenderTarget(const String &name);
    00073
    00083         virtual void bindSurface(size_t attachment, RenderTexture *target)
    00084         {
    00085             for (size_t i = mBoundSurfaces.size(); i <= attachment; ++i)
    00086             {
    00087                 mBoundSurfaces.push_back(0);
    00088             }
    00089             mBoundSurfaces[attachment] = target;
    00090
    00091             bindSurfaceImpl(attachment, target);
    00092         }
    00093
    00094
    00095
    00099         virtual void unbindSurface(size_t attachment)
    00100         {
    00101             if (attachment < mBoundSurfaces.size())
    00102                 mBoundSurfaces[attachment] = 0;
    00103             unbindSurfaceImpl(attachment);
    00104         }
    00105
    00109         virtual void copyContentsToMemory(const PixelBox &dst, FrameBuffer buffer);
    00110
    00112         PixelFormat suggestPixelFormat() const { return PF_UNKNOWN; }
    00113
    00114         typedef vector<RenderTexture*>::type BoundSufaceList;
    00116         const BoundSufaceList& getBoundSurfaceList() const { return mBoundSurfaces; }
    00117
    00119         RenderTexture* getBoundSurface(size_t index)
    00120         {
    00121             assert (index < mBoundSurfaces.size());
    00122             return mBoundSurfaces[index];
    00123         }
    00124
    00125
    00126     protected:
    00127         BoundSufaceList mBoundSurfaces;
    00128
    00130         virtual void bindSurfaceImpl(size_t attachment, RenderTexture *target) = 0;
    00132         virtual void unbindSurfaceImpl(size_t attachment) = 0;
    00133
    00134
    00135     };
    00138 }
    00139
    00140 #endif

Copyright © 2008 Torus Knot Software Ltd
This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License.
Last modified Sun May 8 2011 20:28:08