# OgreShaderProgramManager.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) 2000-2009 Torus Knot Software Ltd
    00008 Permission is hereby granted, free of charge, to any person obtaining a copy
    00009 of this software and associated documentation files (the "Software"), to deal
    00010 in the Software without restriction, including without limitation the rights
    00011 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
    00012 copies of the Software, and to permit persons to whom the Software is
    00013 furnished to do so, subject to the following conditions:
    00014
    00015 The above copyright notice and this permission notice shall be included in
    00016 all copies or substantial portions of the Software.
    00017
    00018 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    00019 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    00020 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    00021 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    00022 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    00023 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    00024 THE SOFTWARE.
    00025 -----------------------------------------------------------------------------
    00026 */
    00027 #ifndef _ShaderProgramManager_
    00028 #define _ShaderProgramManager_
    00029
    00030 #include "OgreShaderPrerequisites.h"
    00031 #include "OgreShaderProgram.h"
    00032 #include "OgreShaderProgramWriter.h"
    00033
    00034 namespace Ogre {
    00035 namespace RTShader {
    00036
    00046 class _OgreRTSSExport ProgramManager : public Singleton<ProgramManager>, public RTShaderSystemAlloc
    00047 {
    00048 // Interface.
    00049 public:
    00050
    00052     ProgramManager  ();
    00053
    00055     ~ProgramManager ();
    00056
    00057
    00073     static ProgramManager&          getSingleton    ();
    00074
    00090     static ProgramManager*          getSingletonPtr             ();
    00091
    00096     void                            acquirePrograms         (Pass* pass, TargetRenderState* renderState);
    00097
    00102     void                            releasePrograms         (Pass* pass, TargetRenderState* renderState);
    00103
    00106     void                            flushGpuProgramsCache   ();
    00107
    00108 protected:
    00109
    00110     //-----------------------------------------------------------------------------
    00111     typedef map<String, GpuProgramPtr>::type            GpuProgramsMap;
    00112     typedef GpuProgramsMap::iterator                    GpuProgramsMapIterator;
    00113     typedef GpuProgramsMap::const_iterator              GpuProgramsMapConstIterator;
    00114
    00115     //-----------------------------------------------------------------------------
    00116     typedef set<Program*>::type                         ProgramList;
    00117     typedef ProgramList::iterator                       ProgramListIterator;
    00118     typedef map<String, ProgramWriter*>::type           ProgramWriterMap;
    00119     typedef ProgramWriterMap::iterator                  ProgramWriterIterator;
    00120     typedef vector<ProgramWriterFactory*>::type         ProgramWriterFactoryList;
    00121
    00122     //-----------------------------------------------------------------------------
    00123     typedef map<String, ProgramProcessor*>::type        ProgramProcessorMap;
    00124     typedef ProgramProcessorMap::iterator               ProgramProcessorIterator;
    00125     typedef ProgramProcessorMap::const_iterator         ProgramProcessorConstIterator;
    00126     typedef vector<ProgramProcessor*>::type             ProgramProcessorList;
    00127
    00128
    00129 protected:
    00131     void            createDefaultProgramProcessors  ();
    00132
    00134     void            destroyDefaultProgramProcessors ();
    00135
    00137     void            createDefaultProgramWriterFactories ();
    00138
    00140     void            destroyDefaultProgramWriterFactories();
    00141
    00143     void            destroyProgramWriters   ();
    00144
    00148     Program*        createCpuProgram        (GpuProgramType type);
    00149
    00153     void            destroyCpuProgram       (Program* shaderProgram);
    00154
    00158     bool            createGpuPrograms       (ProgramSet* programSet);
    00159
    00168     GpuProgramPtr   createGpuProgram        (Program* shaderProgram,
    00169         ProgramWriter* programWriter,
    00170         const String& language,
    00171         const String& profiles,
    00172         const StringVector& profilesList,
    00173         const String& cachePath);
    00174
    00179     void            addProgramProcessor     (ProgramProcessor* processor);
    00180
    00185     void            removeProgramProcessor  (ProgramProcessor* processor);
    00186
    00191     void            destroyGpuProgram       (GpuProgramPtr& gpuProgram);
    00192
    00196     void            flushGpuProgramsCache   (GpuProgramsMap& gpuProgramsMap);
    00197
    00199     size_t          getVertexShaderCount        () const { return mVertexShaderMap.size(); }
    00200
    00202     size_t          getFragmentShaderCount      () const { return mFragmentShaderMap.size(); }
    00203
    00205     void            synchronizePixelnToBeVertexOut  (ProgramSet* programSet);
    00206
    00208     void            bindUniformParameters           (Program* pCpuProgram, const GpuProgramParametersSharedPtr& passParams);
    00209
    00210
    00211 protected:
    00212
    00213
    00214 protected:
    00215     ProgramList                 mCpuProgramsList;               // CPU programs list.
    00216     ProgramWriterMap            mProgramWritersMap;             // Map between target language and shader program writer.
    00217     ProgramProcessorMap         mProgramProcessorsMap;          // Map between target language and shader program processor.
    00218     ProgramWriterFactoryList    mProgramWriterFactories;        // Holds standard shader writer factories
    00219     GpuProgramsMap              mVertexShaderMap;               // The generated vertex shaders.
    00220     GpuProgramsMap              mFragmentShaderMap;             // The generated fragment shaders.
    00221     ProgramProcessorList        mDefaultProgramProcessors;      // The default program processors.
    00222
    00223 private:
    00224     friend class ProgramSet;
    00225     friend class TargetRenderState;
    00226     friend class ShaderGenerator;
    00227 };
    00228
    00232 }
    00233 }
    00234
    00235 #endif
    00236

Copyright © 2008 Torus Knot Software Ltd
This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License.
Last modified Sun May 8 2011 20:28:09