00001 /*======================================================================= 00002 * Copyright 1991-1996, Silicon Graphics, Inc. 00003 * ALL RIGHTS RESERVED 00004 * 00005 * UNPUBLISHED -- Rights reserved under the copyright laws of the United 00006 * States. Use of a copyright notice is precautionary only and does not 00007 * imply publication or disclosure. 00008 * 00009 * U.S. GOVERNMENT RESTRICTED RIGHTS LEGEND: 00010 * Use, duplication or disclosure by the Government is subject to restrictions 00011 * as set forth in FAR 52.227.19(c)(2) or subparagraph (c)(1)(ii) of the Rights 00012 * in Technical Data and Computer Software clause at DFARS 252.227-7013 and/or 00013 * in similar or successor clauses in the FAR, or the DOD or NASA FAR 00014 * Supplement. Contractor/manufacturer is Silicon Graphics, Inc., 00015 * 2011 N. Shoreline Blvd. Mountain View, CA 94039-7311. 00016 * 00017 * THE CONTENT OF THIS WORK CONTAINS CONFIDENTIAL AND PROPRIETARY 00018 * INFORMATION OF SILICON GRAPHICS, INC. ANY DUPLICATION, MODIFICATION, 00019 * DISTRIBUTION, OR DISCLOSURE IN ANY FORM, IN WHOLE, OR IN PART, IS STRICTLY 00020 * PROHIBITED WITHOUT THE PRIOR EXPRESS WRITTEN PERMISSION OF SILICON 00021 * GRAPHICS, INC. 00022 **=======================================================================*/ 00023 /*======================================================================= 00024 ** Author : Paul S. Strauss (MMM yyyy) 00025 ** Modified by : Nick Thompson (MMM yyyy) 00026 **=======================================================================*/ 00027 /*======================================================================= 00028 *** THE CONTENT OF THIS WORK IS PROPRIETARY TO FEI S.A.S, (FEI S.A.S.), *** 00029 *** AND IS DISTRIBUTED UNDER A LICENSE AGREEMENT. *** 00030 *** *** 00031 *** REPRODUCTION, DISCLOSURE, OR USE, IN WHOLE OR IN PART, OTHER THAN AS *** 00032 *** SPECIFIED IN THE LICENSE ARE NOT TO BE UNDERTAKEN EXCEPT WITH PRIOR *** 00033 *** WRITTEN AUTHORIZATION OF FEI S.A.S. *** 00034 *** *** 00035 *** RESTRICTED RIGHTS LEGEND *** 00036 *** USE, DUPLICATION, OR DISCLOSURE BY THE GOVERNMENT OF THE CONTENT OF THIS *** 00037 *** WORK OR RELATED DOCUMENTATION IS SUBJECT TO RESTRICTIONS AS SET FORTH IN *** 00038 *** SUBPARAGRAPH (C)(1) OF THE COMMERCIAL COMPUTER SOFTWARE RESTRICTED RIGHT *** 00039 *** CLAUSE AT FAR 52.227-19 OR SUBPARAGRAPH (C)(1)(II) OF THE RIGHTS IN *** 00040 *** TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 52.227-7013. *** 00041 *** *** 00042 *** COPYRIGHT (C) 1996-2020 BY FEI S.A.S, *** 00043 *** BORDEAUX, FRANCE *** 00044 *** ALL RIGHTS RESERVED *** 00045 **=======================================================================*/ 00046 /*======================================================================= 00047 ** Modified by : VSG (MMM YYYY) 00048 **=======================================================================*/ 00049 00050 00051 #ifndef _SO_SEPARATOR_ 00052 #define _SO_SEPARATOR_ 00053 00054 #include <Inventor/nodes/SoGroup.h> 00055 #include <Inventor/fields/SoSFEnum.h> 00056 #include <Inventor/fields/SoSFInt32.h> 00057 #include <Inventor/fields/SoMFInt32.h> 00058 #include <Inventor/SbRenderCaching.h> 00059 00060 class SoBoundingBoxCache; 00061 class SoPrimitiveCountCache; 00062 class SbThreadRWMutex; 00063 00064 #ifdef _MSC_VER 00065 #pragma warning( push ) 00066 #pragma warning(disable:4251) 00067 #endif 00068 00070 // 00071 // Class: SoSeparator 00072 // 00073 // Separator group node: state is saved before traversing children 00074 // and restored afterwards. 00075 // 00077 00078 #include <Inventor/fields/SoSFBitMask.h> 00079 #include <Inventor/SbRenderUnitID.h> 00080 00207 class SoSeparator : public SoGroup { 00208 00209 SO_NODE_HEADER(SoSeparator); 00210 00211 public: 00212 00214 enum CacheEnabled { 00218 OFF = SO_RENDERCACHING_OFF, 00222 ON = SO_RENDERCACHING_ON, 00226 AUTO = SO_RENDERCACHING_AUTO 00227 }; 00228 00233 SoSFEnum renderCaching; 00234 00239 SoSFEnum boundingBoxCaching; 00240 00245 SoSFEnum renderCulling; 00246 00251 SoSFEnum pickCulling; 00252 00261 SoSFEnum directVizCaching; 00262 00264 enum FastEditing { 00268 DISABLE = 0x01, 00269 00273 KEEP_ZBUFFER = 0x02, 00274 00278 CLEAR_ZBUFFER = 0x03 00279 }; 00280 00287 SoSFEnum fastEditing; 00288 00314 SoSFInt32 renderUnitId; 00315 00319 SoSeparator(); 00320 00324 SoSeparator(int nChildren); 00325 00326 #if 1 SoDEPRECATED 00332 static void setNumRenderCaches(int howMany); 00333 SoDEPRECATED 00338 static int getNumRenderCaches(); 00339 00340 #endif 00342 private: 00343 // Overrides default method on SoNode 00344 virtual SbBool affectsState() const; 00345 00346 // Implement actions 00347 virtual void doAction(SoAction *action); 00348 virtual void callback(SoCallbackAction *action); 00349 virtual void getBoundingBox(SoGetBoundingBoxAction *action); 00350 virtual void getMatrix(SoGetMatrixAction *action); 00351 virtual void GLRender(SoGLRenderAction *action); 00352 virtual void handleEvent(SoHandleEventAction *action); 00353 virtual void rayPick(SoRayPickAction *action); 00354 virtual void search(SoSearchAction *action); 00355 virtual void getPrimitiveCount(SoGetPrimitiveCountAction *action); 00356 virtual void clearCacheList(); 00357 virtual void distribute(SoDistributeAction* action); 00358 00359 // These methods make render traversal faster by implementing 00360 // different rendering paths corresponding to different action 00361 // path codes. 00362 virtual void GLRenderBelowPath(SoGLRenderAction *action); 00363 virtual void GLRenderInPath(SoGLRenderAction *action); 00364 virtual void GLRenderOffPath(SoGLRenderAction *action); 00365 00366 private: 00367 static void initClass(); 00368 static void exitClass(); 00369 00370 SB_THREAD_TLS_HEADER(); 00371 00372 virtual void notify(SoNotList *list); 00373 00379 SoBoundingBoxCache* getBoundingBoxCache() const 00380 { return bboxCache; } 00381 00382 #ifdef ADD_MFIELD_DEPLIST 00383 SoMFInt32 renderUnitDependencies; 00384 #endif 00385 00386 private: 00387 // Returns TRUE if this separator can be culled because it is 00388 // outside the cull volume. The cullResults flags come from the 00389 // GLRenderAction->getCullTestResults() method, and track the 00390 // results of previous cull tests to save work when we know we're 00391 // completely inside the view volume. 00392 virtual SbBool cullTest(SoGLRenderAction *action, int &cullResults); 00393 00394 virtual SbBool readInstance(SoInput *in, unsigned short flags); 00395 00396 virtual ~SoSeparator(); 00397 00398 private: 00399 00400 SoBoundingBoxCache* bboxCache; // Cache for bounding boxes 00401 00402 SoPrimitiveCountCache *primCountCache; // Cache for primitive count 00403 00404 SbThreadRWMutex *cacheMutex; // Protects bboxCache and primCountCache 00405 SbBool bboxCacheIsOpen; 00406 00407 // bba is in thread local storage now. 00408 struct MTstruct { 00409 SoGetBoundingBoxAction *bba; 00410 }; 00411 00412 void commonConstructor(); 00413 00414 float m_depthOffsetCachedValue; 00415 }; 00416 00417 #ifdef _MSC_VER 00418 #pragma warning( pop ) 00419 #endif 00420 00421 #endif /* _SO_SEPARATOR_ */ 00422 00423 00424