# 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
This work is licensed under a Creative Commons Attribution-ShareAlike 2.5 License.
Last modified Sun Jul 26 11:32:17 2009