OpenSG: OSGSHLChunk.h Source File

00001 /*---------------------------------------------------------------------------*\
00002  *                                OpenSG                                     *
00003  *                                                                           *
00004  *                                                                           *
00005  *               Copyright (C) 2000-2002 by the OpenSG Forum                 *
00006  *                                                                           *
00007  *                            www.opensg.org                                 *
00008  *                                                                           *
00009  *   contact: dirk@opensg.org, gerrit.voss@vossg.org, jbehr@zgdv.de          *
00010  *                                                                           *
00011 \*---------------------------------------------------------------------------*/
00012 /*---------------------------------------------------------------------------*\
00013  *                                License                                    *
00014  *                                                                           *
00015  * This library is free software; you can redistribute it and/or modify it   *
00016  * under the terms of the GNU Library General Public License as published    *
00017  * by the Free Software Foundation, version 2.                               *
00018  *                                                                           *
00019  * This library is distributed in the hope that it will be useful, but       *
00020  * WITHOUT ANY WARRANTY; without even the implied warranty of                *
00021  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU         *
00022  * Library General Public License for more details.                          *
00023  *                                                                           *
00024  * You should have received a copy of the GNU Library General Public         *
00025  * License along with this library; if not, write to the Free Software       *
00026  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.                 *
00027  *                                                                           *
00028 \*---------------------------------------------------------------------------*/
00029 /*---------------------------------------------------------------------------*\
00030  *                                Changes                                    *
00031  *                                                                           *
00032  *                                                                           *
00033  *                                                                           *
00034  *                                                                           *
00035  *                                                                           *
00036  *                                                                           *
00037 \*---------------------------------------------------------------------------*/
00038 
00039 #ifndef _OSGSHLCHUNK_H_
00040 #define _OSGSHLCHUNK_H_
00041 #ifdef __sgi
00042 #pragma once
00043 #endif
00044 
00045 #include <OSGConfig.h>
00046 
00047 #include <string>
00048 #include <vector>
00049 #include <map>
00050 
00051 #include "OSGDrawActionBase.h"
00052 #include "OSGWindow.h"
00053 
00054 #include <OSGSHLChunkBase.h>
00055 
00056 OSG_BEGIN_NAMESPACE
00057 
00062 class OSG_SYSTEMLIB_DLLMAPPING SHLChunk : public SHLChunkBase
00063 {
00064   private:
00065 
00066     typedef SHLChunkBase Inherited;
00067 
00068     /*==========================  PUBLIC  =================================*/
00069   public:
00070 
00071     /*---------------------------------------------------------------------*/
00075     virtual const StateChunkClass * getClass         (void) const;
00076 
00078     /*---------------------------------------------------------------------*/
00082     inline static        UInt32            getStaticClassId (void);
00083     inline static  const StateChunkClass * getStaticClass   (void);
00084 
00086     /*---------------------------------------------------------------------*/
00090     virtual void changed(BitVector  whichField,
00091                          UInt32     origin    );
00092 
00094     /*---------------------------------------------------------------------*/
00098     virtual void dump(      UInt32     uiIndent = 0,
00099                       const BitVector  bvFlags  = 0) const;
00100 
00102     /*---------------------------------------------------------------------*/
00106     static void updateParameterLocation(Window *win, GLuint program,
00107                                         const ShaderParameterPtr &parameter);
00108 
00109     void updateParameterLocations(Window *win,
00110                                   const MFShaderParameterPtr &parameters);
00111 
00112     void updateParameters(Window *win, const MFShaderParameterPtr &parameters,
00113                           bool useProgram = true, bool force = false,
00114                           bool keepProgramActive = false);
00115 
00116     void updateProgramParameters(Window *win);
00117 
00119     /*---------------------------------------------------------------------*/
00123     virtual void update     ( DrawActionBase * action );
00124     
00125     virtual void activate   ( DrawActionBase * action, UInt32 index = 0 );
00126 
00127     virtual void changeFrom ( DrawActionBase * action, StateChunk * old,
00128                              UInt32 index = 0 );
00129 
00130     virtual void deactivate ( DrawActionBase * action, UInt32 index = 0 );
00131 
00133     /*---------------------------------------------------------------------*/
00137     virtual Real32 switchCost  ( StateChunk * chunk );
00138 
00139     virtual bool   operator <  (const StateChunk &other) const;
00140 
00141     virtual bool   operator == (const StateChunk &other) const;
00142     virtual bool   operator != (const StateChunk &other) const;
00143 
00145     /*---------------------------------------------------------------------*/
00149     typedef GLint (OSG_APIENTRY * OSGGLGETUNIFORMLOCATIONARBPROC)
00150             (GLuint programObj, const char *name);
00151 
00152     typedef void (*parametercbfp) (OSGGLGETUNIFORMLOCATIONARBPROC getUniformLocation,
00153                                   DrawActionBase *action, GLuint program);
00154 
00155     typedef void (*osgparametercbfp) (const ShaderParameterPtr &parameter,
00156                                       DrawActionBase *action, GLuint program);
00157 
00158     void addParameterCallback(const char *name, parametercbfp fp);
00159     void addParameterCallback(const char *name, osgparametercbfp fp);
00160 
00161     static void setParameterCallback(parametercbfp fp);
00162 
00164     /*---------------------------------------------------------------------*/
00168     void addProgramParameter(GLenum name, UInt32 value);
00169     void subProgramParameter(GLenum name);
00170     void setProgramParameter(GLenum name, UInt32 value);
00171     UInt32 getProgramParameter(GLenum name);
00172     std::vector<std::pair<GLenum, UInt32> > getProgramParameters(void);
00173     void clearProgramParameters(void);
00174 
00176     /*---------------------------------------------------------------------*/
00180     static inline UInt32 getFuncUniform1i(void);
00181     static inline UInt32 getFuncUniform1iv(void);
00182     static inline UInt32 getFuncUniform2iv(void);
00183     static inline UInt32 getFuncUniform3iv(void);
00184     static inline UInt32 getFuncUniform4iv(void);
00185 
00186     static inline UInt32 getFuncUniform1f(void);
00187     static inline UInt32 getFuncUniform1fv(void);
00188     static inline UInt32 getFuncUniform2fv(void);
00189     static inline UInt32 getFuncUniform3fv(void);
00190     static inline UInt32 getFuncUniform4fv(void);
00191 
00192     static inline UInt32 getFuncUniformMatrix4fv(void);
00193 
00194     static inline UInt32 getFuncGetUniformiv(void);
00195     static inline UInt32 getFuncGetUniformfv(void);
00196 
00198     /*---------------------------------------------------------------------*/
00202     static void setClusterId(Int32 id);
00203 
00205     /*=========================  PROTECTED  ===============================*/
00206   protected:
00207 
00208     // Variables should all be in SHLChunkBase.
00209 
00210     void onCreate(const SHLChunk *source = NULL);
00211     void onDestroy(void);
00212 
00213     /*---------------------------------------------------------------------*/
00217     SHLChunk(void);
00218     SHLChunk(const SHLChunk &source);
00219 
00221     /*---------------------------------------------------------------------*/
00225     virtual ~SHLChunk(void);
00226 
00229     /*==========================  PRIVATE  ================================*/
00230   private:
00231 
00232     friend class FieldContainer;
00233     friend class SHLChunkBase;
00234 
00235     // class. Used for indexing in State
00236     static StateChunkClass _class;
00237 
00238     /*---------------------------------------------------------------------*/
00242     static UInt32 _shl_extension;
00243     static UInt32 _cg_extension;
00244     static UInt32 _geometry_extension;
00245 
00246     static UInt32 _funcCreateProgramObject;
00247     static UInt32 _funcProgramParameteri;
00248     static UInt32 _funcCreateShaderObject;
00249     static UInt32 _funcDeleteObject;
00250     static UInt32 _funcDetachObject;
00251     static UInt32 _funcAttachObject;
00252 
00253     static UInt32 _funcShaderSource;
00254     static UInt32 _funcCompileShader;
00255     static UInt32 _funcLinkProgram;
00256     static UInt32 _funcGetInfoLog;
00257     static UInt32 _funcUseProgramObject;
00258 
00259     static UInt32 _funcGetObjectParameteriv;
00260     static UInt32 _funcGetObjectParameterfv;
00261     static UInt32 _funcGetUniformLocation;
00262 
00263     static UInt32 _funcBindAttribLocation;
00264     static UInt32 _funcGetAttribLocation;
00265 
00266     static UInt32 _funcUniform1i;
00267     static UInt32 _funcUniform1iv;
00268     static UInt32 _funcUniform2iv;
00269     static UInt32 _funcUniform3iv;
00270     static UInt32 _funcUniform4iv;
00271     
00272     static UInt32 _funcUniform1f;
00273     static UInt32 _funcUniform1fv;
00274     static UInt32 _funcUniform2fv;
00275     static UInt32 _funcUniform3fv;
00276     static UInt32 _funcUniform4fv;
00277 
00278     static UInt32 _funcUniformMatrix4fv;
00279 
00280     static UInt32 _funcGetUniformiv;
00281     static UInt32 _funcGetUniformfv;
00282 
00283     static Int32 _clusterId;
00284 
00287     static void initMethod(void);
00288 
00289     void handleGL(Window *win, UInt32 id);
00290 
00291     // prohibit default functions (move to 'public' if you need one)
00292     void operator =(const SHLChunk &source);
00293 
00294     void updateProgram(Window *win);
00295     void checkOSGParameters(bool force = false);
00296     void updateOSGParameters(DrawActionBase *action, GLuint program,
00297                              bool update = false);
00298 
00299     static void updateWorldMatrix       (const ShaderParameterPtr &parameter,
00300                                          DrawActionBase *action, GLuint program);
00301     static void updateInvWorldMatrix    (const ShaderParameterPtr &parameter,
00302                                          DrawActionBase *action, GLuint program);
00303     static void updateTransInvWorldMatrix(const ShaderParameterPtr &parameter,
00304                                          DrawActionBase *action, GLuint program);
00305     static void updateCameraOrientation (const ShaderParameterPtr &parameter,
00306                                          DrawActionBase *action, GLuint program);
00307     static void updateCameraPosition    (const ShaderParameterPtr &parameter,
00308                                          DrawActionBase *action, GLuint program);
00309     static void updateViewMatrix        (const ShaderParameterPtr &parameter,
00310                                          DrawActionBase *action, GLuint program);
00311     static void updateInvViewMatrix     (const ShaderParameterPtr &parameter,
00312                                          DrawActionBase *action, GLuint program);
00313     static void updateStereoLeftEye     (const ShaderParameterPtr &parameter,
00314                                          DrawActionBase *action, GLuint program);
00315     static void updateClusterId         (const ShaderParameterPtr &parameter,
00316                                          DrawActionBase *action, GLuint program);
00317     static void updateActiveLightsMask  (const ShaderParameterPtr &parameter,
00318                                          DrawActionBase *action, GLuint program);
00319     static void updateLight0Active      (const ShaderParameterPtr &parameter,
00320                                          DrawActionBase *action, GLuint program);
00321     static void updateLight1Active      (const ShaderParameterPtr &parameter,
00322                                          DrawActionBase *action, GLuint program);
00323     static void updateLight2Active      (const ShaderParameterPtr &parameter,
00324                                          DrawActionBase *action, GLuint program);
00325     static void updateLight3Active      (const ShaderParameterPtr &parameter,
00326                                          DrawActionBase *action, GLuint program);
00327     static void updateLight4Active      (const ShaderParameterPtr &parameter,
00328                                          DrawActionBase *action, GLuint program);
00329     static void updateLight5Active      (const ShaderParameterPtr &parameter,
00330                                          DrawActionBase *action, GLuint program);
00331     static void updateLight6Active      (const ShaderParameterPtr &parameter,
00332                                          DrawActionBase *action, GLuint program);
00333     static void updateLight7Active      (const ShaderParameterPtr &parameter,
00334                                          DrawActionBase *action, GLuint program);
00335 
00336     std::vector<std::pair<std::pair<parametercbfp, osgparametercbfp>,
00337         ShaderParameterPtr> > _osgParametersCallbacks;
00338 
00339     UInt32 _oldParameterSize;
00340 
00341     typedef std::map<std::string, std::pair<parametercbfp, osgparametercbfp> >
00342         userParameterCallbacksMap;
00343     userParameterCallbacksMap _userParameterCallbacks;
00344 
00345     static parametercbfp       _userParametersCallback;
00346 };
00347 
00348 typedef SHLChunk *SHLChunkP;
00349 
00350 OSG_END_NAMESPACE
00351 
00352 #include <OSGSHLChunkBase.inl>
00353 #include <OSGSHLChunk.inl>
00354 
00355 #define OSGSHLCHUNK_HEADER_CVSID "@(#)$Id: OSGSHLChunk.h,v 1.33 2007/03/09 18:11:48 a-m-z Exp $"
00356 
00357 #endif /* _OSGCGCHUNK_H_ */