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OgreHighLevelGpuProgram.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) 2000-2006 Torus Knot Software Ltd
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 You may alternatively use this source under the terms of a specific version of
00025 the OGRE Unrestricted License provided you have obtained such a license from
00026 Torus Knot Software Ltd.
00027 -----------------------------------------------------------------------------
00028 */
00029 #ifndef __HighLevelGpuProgram_H__
00030 #define __HighLevelGpuProgram_H__
00031 
00032 #include "OgrePrerequisites.h"
00033 #include "OgreGpuProgram.h"
00034 
00035 namespace Ogre {
00036 
00058     class _OgreExport HighLevelGpuProgram : public GpuProgram
00059     {
00060     protected:
00062         bool mHighLevelLoaded;
00064         GpuProgramPtr mAssemblerProgram;
00066         mutable bool mConstantDefsBuilt;
00068         mutable GpuNamedConstants mConstantDefs;
00069 
00071         virtual void loadHighLevel(void);
00073         virtual void unloadHighLevel(void);
00077         virtual void loadHighLevelImpl(void);
00080         virtual void createLowLevelImpl(void) = 0;
00082         virtual void unloadHighLevelImpl(void) = 0;
00084         virtual void populateParameterNames(GpuProgramParametersSharedPtr params);
00091         virtual void buildConstantDefinitions() const = 0;
00092 
00094         void loadImpl();
00096         void unloadImpl();
00097     public:
00099         HighLevelGpuProgram(ResourceManager* creator, const String& name, ResourceHandle handle,
00100             const String& group, bool isManual = false, ManualResourceLoader* loader = 0);
00101         ~HighLevelGpuProgram();
00102 
00103 
00111         GpuProgramParametersSharedPtr createParameters(void);
00113         GpuProgram* _getBindingDelegate(void) { return mAssemblerProgram.getPointer(); }
00114 
00119         const GpuNamedConstants& getConstantDefinitions() const;
00120 
00121 
00122 
00123 
00124     };
00125 
00132     class _OgreExport HighLevelGpuProgramPtr : public SharedPtr<HighLevelGpuProgram> 
00133     {
00134     public:
00135         HighLevelGpuProgramPtr() : SharedPtr<HighLevelGpuProgram>() {}
00136         explicit HighLevelGpuProgramPtr(HighLevelGpuProgram* rep) : SharedPtr<HighLevelGpuProgram>(rep) {}
00137         HighLevelGpuProgramPtr(const HighLevelGpuProgramPtr& r) : SharedPtr<HighLevelGpuProgram>(r) {} 
00138         HighLevelGpuProgramPtr(const ResourcePtr& r) : SharedPtr<HighLevelGpuProgram>()
00139         {
00140             // lock & copy other mutex pointer
00141             OGRE_MUTEX_CONDITIONAL(r.OGRE_AUTO_MUTEX_NAME)
00142             {
00143                 OGRE_LOCK_MUTEX(*r.OGRE_AUTO_MUTEX_NAME)
00144                 OGRE_COPY_AUTO_SHARED_MUTEX(r.OGRE_AUTO_MUTEX_NAME)
00145                 pRep = static_cast<HighLevelGpuProgram*>(r.getPointer());
00146                 pUseCount = r.useCountPointer();
00147                 if (pUseCount)
00148                 {
00149                     ++(*pUseCount);
00150                 }
00151             }
00152         }
00153 
00155         HighLevelGpuProgramPtr& operator=(const ResourcePtr& r)
00156         {
00157             if (pRep == static_cast<HighLevelGpuProgram*>(r.getPointer()))
00158                 return *this;
00159             release();
00160             // lock & copy other mutex pointer
00161             OGRE_MUTEX_CONDITIONAL(r.OGRE_AUTO_MUTEX_NAME)
00162             {
00163                 OGRE_LOCK_MUTEX(*r.OGRE_AUTO_MUTEX_NAME)
00164                 OGRE_COPY_AUTO_SHARED_MUTEX(r.OGRE_AUTO_MUTEX_NAME)
00165                 pRep = static_cast<HighLevelGpuProgram*>(r.getPointer());
00166                 pUseCount = r.useCountPointer();
00167                 if (pUseCount)
00168                 {
00169                     ++(*pUseCount);
00170                 }
00171             }
00172             else
00173             {
00174                 // RHS must be a null pointer
00175                 assert(r.isNull() && "RHS must be null if it has no mutex!");
00176                 setNull();
00177             }
00178             return *this;
00179         }
00181         HighLevelGpuProgramPtr& operator=(const GpuProgramPtr& r);
00182     };
00183 
00184 }
00185 #endif

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Last modified Thu Mar 6 09:46:25 2008