OgreD3D9Texture.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 __D3D8TEXTURE_H__
#define __D3D8TEXTURE_H__

#include "OgreD3D9Prerequisites.h"
#include "OgreTexture.h"
#include "OgreRenderTexture.h"
#include "OgreImage.h"
#include "OgreException.h"
#include "OgreD3D9HardwarePixelBuffer.h"

#include "OgreNoMemoryMacros.h"
#include <d3d9.h>
#include <d3dx9.h>
#include <dxerr9.h>
#include "OgreMemoryMacros.h"

namespace Ogre {
    class D3D9Texture : public Texture
    {
    protected:
        IDirect3DDevice9        *mpDev;     
        IDirect3D9              *mpD3D;
        IDirect3DTexture9       *mpNormTex; 
        IDirect3DCubeTexture9   *mpCubeTex; 
        IDirect3DVolumeTexture9 *mpVolumeTex;
        IDirect3DBaseTexture9   *mpTex;     

        String                          mCubeFaceNames[6];
        D3DDEVICE_CREATION_PARAMETERS   mDevCreParams;
        D3DFORMAT                       mBBPixelFormat;
        D3DPOOL                         mD3DPool;
        D3DCAPS9                        mDevCaps;
        // Dynamic textures?
        bool                            mDynamicTextures;
        typedef std::vector<HardwarePixelBufferSharedPtr> SurfaceList;
        SurfaceList                     mSurfaceList;
    
        void _initDevice(void);
        void _loadCubeTex();
        void _loadNormTex();
        void _loadVolumeTex();

        void _createNormTex();
        void _createCubeTex();
        void _createVolumeTex();

        D3DFORMAT _chooseD3DFormat();

        void createInternalResourcesImpl(void);
        void freeInternalResourcesImpl(void);
        void _setSrcAttributes(unsigned long width, unsigned long height, unsigned long depth, PixelFormat format);
        void _setFinalAttributes(unsigned long width, unsigned long height, unsigned long depth, PixelFormat format);
        D3DTEXTUREFILTERTYPE _getBestFilterMethod();
        bool _canUseDynamicTextures(DWORD srcUsage, D3DRESOURCETYPE srcType, D3DFORMAT srcFormat);
        bool _canAutoGenMipmaps(DWORD srcUsage, D3DRESOURCETYPE srcType, D3DFORMAT srcFormat);
        
        String _getCubeFaceName(unsigned char face) const
        { assert(face < 6); return mCubeFaceNames[face]; }
        
        void _createSurfaceList(void);

        void loadImpl();
    public:
        D3D9Texture(ResourceManager* creator, const String& name, ResourceHandle handle,
            const String& group, bool isManual, ManualResourceLoader* loader, 
            IDirect3DDevice9 *pD3DDevice);
        ~D3D9Texture();

        void copyToTexture( TexturePtr& target );
        void loadImage( const Image &img );


        HardwarePixelBufferSharedPtr getBuffer(size_t face, size_t mipmap);
        
        IDirect3DBaseTexture9 *getTexture() 
        { assert(mpTex); return mpTex; }
        IDirect3DTexture9 *getNormTexture()
        { assert(mpNormTex); return mpNormTex; }
        IDirect3DCubeTexture9 *getCubeTexture()
        { assert(mpCubeTex); return mpCubeTex; }
        
        

        bool releaseIfDefaultPool(void);
        bool recreateIfDefaultPool(LPDIRECT3DDEVICE9 pDev);

    };

    class D3D9TexturePtr : public SharedPtr<D3D9Texture> 
    {
    public:
        D3D9TexturePtr() : SharedPtr<D3D9Texture>() {}
        explicit D3D9TexturePtr(D3D9Texture* rep) : SharedPtr<D3D9Texture>(rep) {}
        D3D9TexturePtr(const D3D9TexturePtr& r) : SharedPtr<D3D9Texture>(r) {} 
        D3D9TexturePtr(const ResourcePtr& r) : SharedPtr<D3D9Texture>()
        {
            // lock & copy other mutex pointer
            OGRE_LOCK_MUTEX(*r.OGRE_AUTO_MUTEX_NAME)
            OGRE_COPY_AUTO_SHARED_MUTEX(r.OGRE_AUTO_MUTEX_NAME)
            pRep = static_cast<D3D9Texture*>(r.getPointer());
            pUseCount = r.useCountPointer();
            if (pUseCount)
            {
                ++(*pUseCount);
            }
        }

        D3D9TexturePtr& operator=(const ResourcePtr& r)
        {
            if (pRep == static_cast<D3D9Texture*>(r.getPointer()))
                return *this;
            release();
            // lock & copy other mutex pointer
            OGRE_LOCK_MUTEX(*r.OGRE_AUTO_MUTEX_NAME)
            OGRE_COPY_AUTO_SHARED_MUTEX(r.OGRE_AUTO_MUTEX_NAME)
            pRep = static_cast<D3D9Texture*>(r.getPointer());
            pUseCount = r.useCountPointer();
            if (pUseCount)
            {
                ++(*pUseCount);
            }
            return *this;
        }
        D3D9TexturePtr& operator=(const TexturePtr& r)
        {
            if (pRep == static_cast<D3D9Texture*>(r.getPointer()))
                return *this;
            release();
            // lock & copy other mutex pointer
            OGRE_LOCK_MUTEX(*r.OGRE_AUTO_MUTEX_NAME)
            OGRE_COPY_AUTO_SHARED_MUTEX(r.OGRE_AUTO_MUTEX_NAME)
            pRep = static_cast<D3D9Texture*>(r.getPointer());
            pUseCount = r.useCountPointer();
            if (pUseCount)
            {
                ++(*pUseCount);
            }
            return *this;
        }
    };

    class D3D9RenderTexture : public RenderTexture
    {
    public:
        D3D9RenderTexture(const String &name, D3D9HardwarePixelBuffer *buffer):
            RenderTexture(buffer, 0)
        { 
            mName = name;
        }
        ~D3D9RenderTexture() {}

        void rebind(D3D9HardwarePixelBuffer *buffer)
        {
            mBuffer = buffer;
            mWidth = mBuffer->getWidth();
            mHeight = mBuffer->getHeight();
            mColourDepth = Ogre::PixelUtil::getNumElemBits(mBuffer->getFormat());
        }

        virtual void getCustomAttribute( const String& name, void *pData )
        {
            if(name == "DDBACKBUFFER")
            {
                IDirect3DSurface9 ** pSurf = (IDirect3DSurface9 **)pData;
                *pSurf = static_cast<D3D9HardwarePixelBuffer*>(mBuffer)->getSurface();
                return;
            }
            else if(name == "HWND")
            {
                HWND *pHwnd = (HWND*)pData;
                *pHwnd = NULL;
                return;
            }
            else if(name == "BUFFER")
            {
                *static_cast<HardwarePixelBuffer**>(pData) = mBuffer;
                return;
            }
        }

        bool requiresTextureFlipping() const { return false; }
    };

}

#endif

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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