OgreD3D9HardwarePixelBuffer.h

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/*
-----------------------------------------------------------------------------
This source file is part of OGRE
    (Object-oriented Graphics Rendering Engine)
For the latest info, see http://www.ogre3d.org/

Copyright (c) 2000-2005 The OGRE Team
Also see acknowledgements in Readme.html

This program is free software; you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License as published by the Free Software
Foundation; either version 2 of the License, or (at your option) any later
version.

This program is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License along with
this program; if not, write to the Free Software Foundation, Inc., 59 Temple
Place - Suite 330, Boston, MA 02111-1307, USA, or go to
http://www.gnu.org/copyleft/lesser.txt.
-----------------------------------------------------------------------------
*/
#ifndef __D3D9PIXELBUFFER_H__
#define __D3D9PIXELBUFFER_H__

#include "OgreD3D9Prerequisites.h"
#include "OgreHardwarePixelBuffer.h"

#include <d3d9.h>
#include <d3dx9.h>
namespace Ogre {

    class D3D9HardwarePixelBuffer: public HardwarePixelBuffer
    {
    protected:
        PixelBox lockImpl(const Image::Box lockBox,  LockOptions options);

        void unlockImpl(void);

        void createRenderTextures(bool update);
        void destroyRenderTextures();
        
        IDirect3DDevice9 *mpDev;
        
        IDirect3DSurface9 *mSurface;
        IDirect3DVolume9 *mVolume;
        IDirect3DSurface9 *mTempSurface;
        IDirect3DVolume9 *mTempVolume;
        
        bool mDoMipmapGen;
        bool mHWMipmaps;
        IDirect3DBaseTexture9 *mMipTex;

        typedef std::vector<RenderTexture*> SliceTRT;
        SliceTRT mSliceTRT;
    public:
        D3D9HardwarePixelBuffer(HardwareBuffer::Usage usage);
        
        void bind(IDirect3DDevice9 *dev, IDirect3DSurface9 *mSurface, bool update);
        void bind(IDirect3DDevice9 *dev, IDirect3DVolume9 *mVolume, bool update);
        
        void blit(const HardwarePixelBufferSharedPtr &src, const Image::Box &srcBox, const Image::Box &dstBox);
        
        void blitFromMemory(const PixelBox &src, const Image::Box &dstBox);
        
        void blitToMemory(const Image::Box &srcBox, const PixelBox &dst);
        
        void _genMipmaps();
        
        void _setMipmapping(bool doMipmapGen, bool HWMipmaps, IDirect3DBaseTexture9 *mipTex);
        
        ~D3D9HardwarePixelBuffer();

        RenderTexture *getRenderTarget(size_t zoffset);

        IDirect3DSurface9 *getSurface() { return mSurface; }

        virtual void _clearSliceRTT(size_t zoffset)
        {
            mSliceTRT[zoffset] = 0;
        }
    };
};
#endif

---

Copyright © 2000-2005 by The OGRE Team

This work is licensed under a Creative Commons Attribution-ShareAlike 2.5 License.
Last modified Sun Mar 12 14:37:39 2006