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) 2000-2012 Torus Knot Software Ltd
    00008
    00009 Permission is hereby granted, free of charge, to any person obtaining a copy
    00010 of this software and associated documentation files (the "Software"), to deal
    00011 in the Software without restriction, including without limitation the rights
    00012 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
    00013 copies of the Software, and to permit persons to whom the Software is
    00014 furnished to do so, subject to the following conditions:
    00015
    00016 The above copyright notice and this permission notice shall be included in
    00017 all copies or substantial portions of the Software.
    00018
    00019 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    00020 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    00021 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    00022 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    00023 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    00024 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    00025 THE SOFTWARE.
    00026 -----------------------------------------------------------------------------
    00027 */
    00028
    00029 #ifndef __GLTEXTURE_H__
    00030 #define __GLTEXTURE_H__
    00031
    00032 #include "OgreGLPrerequisites.h"
    00033 #include "OgrePlatform.h"
    00034 #include "OgreRenderTexture.h"
    00035 #include "OgreTexture.h"
    00036 #include "OgreGLSupport.h"
    00037 #include "OgreHardwarePixelBuffer.h"
    00038
    00039 namespace Ogre {
    00040
    00041     class _OgreGLExport GLTexture : public Texture
    00042     {
    00043     public:
    00044         // Constructor
    00045         GLTexture(ResourceManager* creator, const String& name, ResourceHandle handle,
    00046             const String& group, bool isManual, ManualResourceLoader* loader,
    00047             GLSupport& support);
    00048
    00049         virtual ~GLTexture();
    00050
    00051         void createRenderTexture();
    00052
    00054         HardwarePixelBufferSharedPtr getBuffer(size_t face, size_t mipmap);
    00055
    00056         // Takes the OGRE texture type (1d/2d/3d/cube) and returns the appropriate GL one
    00057         GLenum getGLTextureTarget(void) const;
    00058
    00059         GLuint getGLID() const
    00060         {
    00061             return mTextureID;
    00062         }
    00063
    00064         void getCustomAttribute(const String& name, void* pData);
    00065
    00066     protected:
    00068         void createInternalResourcesImpl(void);
    00070         void prepareImpl(void);
    00072         void unprepareImpl(void);
    00074         void loadImpl(void);
    00076         void freeInternalResourcesImpl(void);
    00077
    00083         void _createSurfaceList();
    00084
    00086         typedef SharedPtr<vector<Image>::type > LoadedImages;
    00087
    00092         LoadedImages mLoadedImages;
    00093
    00094
    00095     private:
    00096         GLuint mTextureID;
    00097         GLSupport& mGLSupport;
    00098
    00100         typedef vector<HardwarePixelBufferSharedPtr>::type SurfaceList;
    00101         SurfaceList mSurfaceList;
    00102     };
    00103
    00110     class _OgreGLExport GLTexturePtr : public SharedPtr<GLTexture>
    00111     {
    00112     public:
    00113         GLTexturePtr() : SharedPtr<GLTexture>() {}
    00114         explicit GLTexturePtr(GLTexture* rep) : SharedPtr<GLTexture>(rep) {}
    00115         GLTexturePtr(const GLTexturePtr& r) : SharedPtr<GLTexture>(r) {}
    00116         GLTexturePtr(const ResourcePtr& r) : SharedPtr<GLTexture>()
    00117         {
    00118             // lock & copy other mutex pointer
    00119             OGRE_MUTEX_CONDITIONAL(r.OGRE_AUTO_MUTEX_NAME)
    00120             {
    00121                 OGRE_LOCK_MUTEX(*r.OGRE_AUTO_MUTEX_NAME)
    00122                 OGRE_COPY_AUTO_SHARED_MUTEX(r.OGRE_AUTO_MUTEX_NAME)
    00123                 pRep = static_cast<GLTexture*>(r.getPointer());
    00124                 pUseCount = r.useCountPointer();
    00125                 if (pUseCount)
    00126                 {
    00127                     ++(*pUseCount);
    00128                 }
    00129             }
    00130         }
    00131         GLTexturePtr(const TexturePtr& r) : SharedPtr<GLTexture>()
    00132         {
    00133             *this = r;
    00134         }
    00135
    00137         GLTexturePtr& operator=(const ResourcePtr& r)
    00138         {
    00139             if (pRep == static_cast<GLTexture*>(r.getPointer()))
    00140                 return *this;
    00141             release();
    00142             // lock & copy other mutex pointer
    00143             OGRE_MUTEX_CONDITIONAL(r.OGRE_AUTO_MUTEX_NAME)
    00144             {
    00145                 OGRE_LOCK_MUTEX(*r.OGRE_AUTO_MUTEX_NAME)
    00146                 OGRE_COPY_AUTO_SHARED_MUTEX(r.OGRE_AUTO_MUTEX_NAME)
    00147                 pRep = static_cast<GLTexture*>(r.getPointer());
    00148                 pUseCount = r.useCountPointer();
    00149                 if (pUseCount)
    00150                 {
    00151                     ++(*pUseCount);
    00152                 }
    00153             }
    00154             else
    00155             {
    00156                 // RHS must be a null pointer
    00157                 assert(r.isNull() && "RHS must be null if it has no mutex!");
    00158                 setNull();
    00159             }
    00160             return *this;
    00161         }
    00163         GLTexturePtr& operator=(const TexturePtr& r)
    00164         {
    00165             if (pRep == static_cast<GLTexture*>(r.getPointer()))
    00166                 return *this;
    00167             release();
    00168             // lock & copy other mutex pointer
    00169             OGRE_MUTEX_CONDITIONAL(r.OGRE_AUTO_MUTEX_NAME)
    00170             {
    00171                 OGRE_LOCK_MUTEX(*r.OGRE_AUTO_MUTEX_NAME)
    00172                 OGRE_COPY_AUTO_SHARED_MUTEX(r.OGRE_AUTO_MUTEX_NAME)
    00173                 pRep = static_cast<GLTexture*>(r.getPointer());
    00174                 pUseCount = r.useCountPointer();
    00175                 if (pUseCount)
    00176                 {
    00177                     ++(*pUseCount);
    00178                 }
    00179             }
    00180             else
    00181             {
    00182                 // RHS must be a null pointer
    00183                 assert(r.isNull() && "RHS must be null if it has no mutex!");
    00184                 setNull();
    00185             }
    00186             return *this;
    00187         }
    00188     };
    00189 }
    00190
    00191 #endif // __GLTEXTURE_H__

Copyright © 2012 Torus Knot Software Ltd
This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License.
Last modified Sun Sep 2 2012 07:27:21