OgreD3D7HardwarePixelBuffer.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 __D3D7PIXELBUFFER_H__
#define __D3D7PIXELBUFFER_H__

#include "OgreD3D7Prerequisites.h"
#include "OgreHardwarePixelBuffer.h"

namespace Ogre {

    class D3D7HardwarePixelBuffer: public HardwarePixelBuffer
    {
    protected:
        PixelBox lockImpl(const Image::Box lockBox,  LockOptions options);

        void unlockImpl(void);
        
        IDirect3DDevice7 * mD3DDevice;       

        LPDIRECTDRAWSURFACE7 mSurface;
        
        // Mipmapping
        bool mDoMipmapGen;

        // Locked region, needs to be stored as D3D7 Unlock needs the exact pointer used
        // for the lock
        RECT mLockRect;
        RECT *mpRect;
    public:
        D3D7HardwarePixelBuffer(HardwareBuffer::Usage usage, IDirect3DDevice7 *device);
        
        void bind(LPDIRECTDRAWSURFACE7 surface, PixelFormat format);
        
        void blit(HardwarePixelBuffer *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 _setMipmapping(bool doMipmapGen);

        void _genMipmaps(const RECT &texRect);
        
        ~D3D7HardwarePixelBuffer();
    };
};
#endif

---

Copyright © 2000-2005 by The OGRE Team

This work is licensed under a Creative Commons Attribution-ShareAlike 2.5 License.
Last modified Sun Feb 12 12:59:43 2006