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;
00067 
00069         virtual void loadHighLevel(void);
00071         virtual void unloadHighLevel(void);
00075         virtual void loadHighLevelImpl(void);
00078         virtual void createLowLevelImpl(void) = 0;
00080         virtual void unloadHighLevelImpl(void) = 0;
00082         virtual void populateParameterNames(GpuProgramParametersSharedPtr params);
00089         virtual void buildConstantDefinitions() const = 0;
00090 
00092         void loadImpl();
00094         void unloadImpl();
00095     public:
00097         HighLevelGpuProgram(ResourceManager* creator, const String& name, ResourceHandle handle,
00098             const String& group, bool isManual = false, ManualResourceLoader* loader = 0);
00099         ~HighLevelGpuProgram();
00100 
00101 
00109         GpuProgramParametersSharedPtr createParameters(void);
00111         GpuProgram* _getBindingDelegate(void) { return mAssemblerProgram.getPointer(); }
00112 
00117         const GpuNamedConstants& getConstantDefinitions() const;
00118 
00120         const GpuNamedConstants& getNamedConstants() const { return getConstantDefinitions(); }
00121 
00122 
00123 
00124 
00125 
00126     };
00127 
00134     class _OgreExport HighLevelGpuProgramPtr : public SharedPtr<HighLevelGpuProgram> 
00135     {
00136     public:
00137         HighLevelGpuProgramPtr() : SharedPtr<HighLevelGpuProgram>() {}
00138         explicit HighLevelGpuProgramPtr(HighLevelGpuProgram* rep) : SharedPtr<HighLevelGpuProgram>(rep) {}
00139         HighLevelGpuProgramPtr(const HighLevelGpuProgramPtr& r) : SharedPtr<HighLevelGpuProgram>(r) {} 
00140         HighLevelGpuProgramPtr(const ResourcePtr& r) : SharedPtr<HighLevelGpuProgram>()
00141         {
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<HighLevelGpuProgram*>(r.getPointer());
00148                 pUseCount = r.useCountPointer();
00149                 if (pUseCount)
00150                 {
00151                     ++(*pUseCount);
00152                 }
00153             }
00154         }
00155 
00157         HighLevelGpuProgramPtr& operator=(const ResourcePtr& r)
00158         {
00159             if (pRep == static_cast<HighLevelGpuProgram*>(r.getPointer()))
00160                 return *this;
00161             release();
00162             // lock & copy other mutex pointer
00163             OGRE_MUTEX_CONDITIONAL(r.OGRE_AUTO_MUTEX_NAME)
00164             {
00165                 OGRE_LOCK_MUTEX(*r.OGRE_AUTO_MUTEX_NAME)
00166                 OGRE_COPY_AUTO_SHARED_MUTEX(r.OGRE_AUTO_MUTEX_NAME)
00167                 pRep = static_cast<HighLevelGpuProgram*>(r.getPointer());
00168                 pUseCount = r.useCountPointer();
00169                 if (pUseCount)
00170                 {
00171                     ++(*pUseCount);
00172                 }
00173             }
00174             else
00175             {
00176                 // RHS must be a null pointer
00177                 assert(r.isNull() && "RHS must be null if it has no mutex!");
00178                 setNull();
00179             }
00180             return *this;
00181         }
00183         HighLevelGpuProgramPtr& operator=(const GpuProgramPtr& r);
00184     };
00185 
00186 }
00187 #endif

Copyright © 2008 Torus Knot Software Ltd
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Last modified Sun Sep 27 22:02:23 2009