# OgreD3D7HardwarePixelBuffer.h

Go to the documentation of this file.

    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) 2000-2005 The OGRE Team
    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 */
    00025 #ifndef __D3D7PIXELBUFFER_H__
    00026 #define __D3D7PIXELBUFFER_H__
    00027
    00028 #include "OgreD3D7Prerequisites.h"
    00029 #include "OgreHardwarePixelBuffer.h"
    00030
    00031 namespace Ogre {
    00032
    00033     class D3D7HardwarePixelBuffer: public HardwarePixelBuffer
    00034     {
    00035     protected:
    00037         PixelBox lockImpl(const Image::Box lockBox,  LockOptions options);
    00038
    00040         void unlockImpl(void);
    00041
    00043         IDirect3DDevice7 * mD3DDevice;
    00044
    00046         LPDIRECTDRAWSURFACE7 mSurface;
    00047
    00048         // Mipmapping
    00049         bool mDoMipmapGen;
    00050
    00051         // Locked region, needs to be stored as D3D7 Unlock needs the exact pointer used
    00052         // for the lock
    00053         RECT mLockRect;
    00054         RECT *mpRect;
    00055     public:
    00056         D3D7HardwarePixelBuffer(HardwareBuffer::Usage usage, IDirect3DDevice7 *device);
    00057
    00059         void bind(LPDIRECTDRAWSURFACE7 surface, PixelFormat format);
    00060
    00062         void blit(HardwarePixelBuffer *src, const Image::Box &srcBox, const Image::Box &dstBox);
    00063
    00065         void blitFromMemory(const PixelBox &src, const Image::Box &dstBox);
    00066
    00068         void blitToMemory(const Image::Box &srcBox, const PixelBox &dst);
    00069
    00071         void _setMipmapping(bool doMipmapGen);
    00072
    00074         void _genMipmaps(const RECT &texRect);
    00075
    00076         ~D3D7HardwarePixelBuffer();
    00077     };
    00078 };
    00079 #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