# OgreGLTexture.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) 2000-2005 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
    00026 #ifndef __GLTEXTURE_H__
    00027 #define __GLTEXTURE_H__
    00028
    00029 #include "OgreGLPrerequisites.h"
    00030 #include "OgrePlatform.h"
    00031 #include "OgreRenderTexture.h"
    00032 #include "OgreTexture.h"
    00033 #include "OgreGLSupport.h"
    00034 #include "OgreHardwarePixelBuffer.h"
    00035
    00036 namespace Ogre {
    00037
    00038     class GLTexture : public Texture
    00039     {
    00040     public:
    00041         // Constructor
    00042         GLTexture(ResourceManager* creator, const String& name, ResourceHandle handle,
    00043             const String& group, bool isManual, ManualResourceLoader* loader,
    00044             GLSupport& support);
    00045
    00046         virtual ~GLTexture();
    00047
    00048         void loadImage( const Image& img );
    00049         void createRenderTexture();
    00050
    00052         HardwarePixelBufferSharedPtr getBuffer(size_t face, size_t mipmap);
    00053
    00054         // Takes the OGRE texture type (1d/2d/3d/cube) and returns the appropriate GL one
    00055         GLenum getGLTextureTarget(void) const;
    00056
    00057         GLuint getGLID() const
    00058         { return mTextureID; }
    00059
    00060     protected:
    00062         void createInternalResourcesImpl(void);
    00064         void loadImpl(void);
    00066         void freeInternalResourcesImpl(void);
    00067
    00073         void _createSurfaceList();
    00074     private:
    00075         GLuint mTextureID;
    00076         GLSupport& mGLSupport;
    00077
    00079         typedef std::vector<HardwarePixelBufferSharedPtr> SurfaceList;
    00080         SurfaceList mSurfaceList;
    00081     };
    00082
    00089     class GLTexturePtr : public SharedPtr<GLTexture>
    00090     {
    00091     public:
    00092         GLTexturePtr() : SharedPtr<GLTexture>() {}
    00093         explicit GLTexturePtr(GLTexture* rep) : SharedPtr<GLTexture>(rep) {}
    00094         GLTexturePtr(const GLTexturePtr& r) : SharedPtr<GLTexture>(r) {}
    00095         GLTexturePtr(const ResourcePtr& r) : SharedPtr<GLTexture>()
    00096         {
    00097             // lock & copy other mutex pointer
    00098             OGRE_MUTEX_CONDITIONAL(r.OGRE_AUTO_MUTEX_NAME)
    00099             {
    00100                 OGRE_LOCK_MUTEX(*r.OGRE_AUTO_MUTEX_NAME)
    00101                 OGRE_COPY_AUTO_SHARED_MUTEX(r.OGRE_AUTO_MUTEX_NAME)
    00102                 pRep = static_cast<GLTexture*>(r.getPointer());
    00103                 pUseCount = r.useCountPointer();
    00104                 if (pUseCount)
    00105                 {
    00106                     ++(*pUseCount);
    00107                 }
    00108             }
    00109         }
    00110
    00112         GLTexturePtr& operator=(const ResourcePtr& r)
    00113         {
    00114             if (pRep == static_cast<GLTexture*>(r.getPointer()))
    00115                 return *this;
    00116             release();
    00117             // lock & copy other mutex pointer
    00118             OGRE_MUTEX_CONDITIONAL(r.OGRE_AUTO_MUTEX_NAME)
    00119             {
    00120                 OGRE_LOCK_MUTEX(*r.OGRE_AUTO_MUTEX_NAME)
    00121                 OGRE_COPY_AUTO_SHARED_MUTEX(r.OGRE_AUTO_MUTEX_NAME)
    00122                 pRep = static_cast<GLTexture*>(r.getPointer());
    00123                 pUseCount = r.useCountPointer();
    00124                 if (pUseCount)
    00125                 {
    00126                     ++(*pUseCount);
    00127                 }
    00128             }
    00129             return *this;
    00130         }
    00132         GLTexturePtr& operator=(const TexturePtr& r)
    00133         {
    00134             if (pRep == static_cast<GLTexture*>(r.getPointer()))
    00135                 return *this;
    00136             release();
    00137             // lock & copy other mutex pointer
    00138             OGRE_MUTEX_CONDITIONAL(r.OGRE_AUTO_MUTEX_NAME)
    00139             {
    00140                 OGRE_LOCK_MUTEX(*r.OGRE_AUTO_MUTEX_NAME)
    00141                 OGRE_COPY_AUTO_SHARED_MUTEX(r.OGRE_AUTO_MUTEX_NAME)
    00142                 pRep = static_cast<GLTexture*>(r.getPointer());
    00143                 pUseCount = r.useCountPointer();
    00144                 if (pUseCount)
    00145                 {
    00146                     ++(*pUseCount);
    00147                 }
    00148             }
    00149             return *this;
    00150         }
    00151     };
    00152 }
    00153
    00154 #endif // __GLTEXTURE_H__

Copyright © 2000-2005 by The OGRE Team
This work is licensed under a Creative Commons Attribution-ShareAlike 2.5 License.
Last modified Sun Sep 17 15:39:08 2006