| Geant4 Cross Reference |
1 // 1 //
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25 // 22 //
26 // 23 //
>> 24 // $Id: G4OpenGLStoredSceneHandler.cc,v 1.23 2005/09/29 14:27:03 allison Exp $
>> 25 // GEANT4 tag $Name: geant4-08-00 $
27 // 26 //
28 // 27 //
29 // Andrew Walkden 10th February 1997 28 // Andrew Walkden 10th February 1997
30 // OpenGL stored scene - creates OpenGL displa 29 // OpenGL stored scene - creates OpenGL display lists.
31 30
32 #include "G4OpenGLStoredSceneHandler.hh" << 31 #ifdef G4VIS_BUILD_OPENGL_DRIVER
33 <<
34 #include "G4PhysicalVolumeModel.hh" <<
35 #include "G4LogicalVolumeModel.hh" <<
36 #include "G4VPhysicalVolume.hh" <<
37 #include "G4LogicalVolume.hh" <<
38 #include "G4Polyline.hh" <<
39 #include "G4Polymarker.hh" <<
40 #include "G4Text.hh" <<
41 #include "G4Circle.hh" <<
42 #include "G4Square.hh" <<
43 #include "G4Polyhedron.hh" <<
44 #include "G4AttHolder.hh" <<
45 #include "G4OpenGLTransform3D.hh" <<
46 #include "G4OpenGLViewer.hh" <<
47 #include "G4AttHolder.hh" <<
48 <<
49 #include <typeinfo> <<
50 <<
51 G4int G4OpenGLStoredSceneHandler::fSceneIdCoun <<
52 <<
53 G4int G4OpenGLStoredSceneHandler::fDisplayLis <<
54 <<
55 G4OpenGLStoredSceneHandler::PO::PO(): <<
56 fDisplayListId(0), <<
57 fPickName(0), <<
58 fpG4TextPlus(0), <<
59 fMarkerOrPolyline(false) <<
60 {} <<
61 <<
62 G4OpenGLStoredSceneHandler::PO::PO(const G4Ope <<
63 fDisplayListId(po.fDisplayListId), <<
64 fTransform(po.fTransform), <<
65 fPickName(po.fPickName), <<
66 fColour(po.fColour), <<
67 fpG4TextPlus(po.fpG4TextPlus? new G4TextPlus <<
68 fMarkerOrPolyline(po.fMarkerOrPolyline) <<
69 {} <<
70 <<
71 G4OpenGLStoredSceneHandler::PO::PO(G4int id, c <<
72 fDisplayListId(id), <<
73 fTransform(tr), <<
74 fPickName(0), <<
75 fpG4TextPlus(0), <<
76 fMarkerOrPolyline(false) <<
77 {} <<
78 <<
79 G4OpenGLStoredSceneHandler::PO::~PO() <<
80 { <<
81 delete fpG4TextPlus; <<
82 } <<
83 <<
84 G4OpenGLStoredSceneHandler::PO& G4OpenGLStored <<
85 (const G4OpenGLStoredSceneHandler::PO& rhs) <<
86 { <<
87 if (&rhs == this) return *this; <<
88 fDisplayListId = rhs.fDisplayListId; <<
89 fTransform = rhs.fTransform; <<
90 fPickName = rhs.fPickName; <<
91 fColour = rhs.fColour; <<
92 fpG4TextPlus = rhs.fpG4TextPlus? new G4TextP <<
93 fMarkerOrPolyline = rhs.fMarkerOrPolyline; <<
94 return *this; <<
95 } <<
96 32
97 G4OpenGLStoredSceneHandler::TO::TO(): << 33 // Included here - problems with HP compiler if not before other includes?
98 fDisplayListId(0), << 34 #include "G4NURBS.hh"
99 fPickName(0), <<
100 fStartTime(-G4VisAttributes::fVeryLongTime), <<
101 fEndTime(G4VisAttributes::fVeryLongTime), <<
102 fpG4TextPlus(0), <<
103 fMarkerOrPolyline(false) <<
104 {} <<
105 35
106 G4OpenGLStoredSceneHandler::TO::TO(const G4Ope << 36 // Here follows a special for Mesa, the OpenGL emulator. Does not affect
107 fDisplayListId(to.fDisplayListId), << 37 // other OpenGL's, as far as I'm aware. John Allison 18/9/96.
108 fTransform(to.fTransform), << 38 #define CENTERLINE_CLPP /* CenterLine C++ workaround: */
109 fPickName(to.fPickName), << 39 // Also seems to be required for HP's CC and AIX xlC, at least.
110 fStartTime(to.fStartTime), <<
111 fEndTime(to.fEndTime), <<
112 fColour(to.fColour), <<
113 fpG4TextPlus(to.fpG4TextPlus? new G4TextPlus <<
114 fMarkerOrPolyline(to.fMarkerOrPolyline) <<
115 {} <<
116 <<
117 G4OpenGLStoredSceneHandler::TO::TO(G4int id, c <<
118 fDisplayListId(id), <<
119 fTransform(tr), <<
120 fPickName(0), <<
121 fStartTime(-G4VisAttributes::fVeryLongTime), <<
122 fEndTime(G4VisAttributes::fVeryLongTime), <<
123 fpG4TextPlus(0), <<
124 fMarkerOrPolyline(false) <<
125 {} <<
126 40
127 G4OpenGLStoredSceneHandler::TO::~TO() << 41 #include "G4OpenGLStoredSceneHandler.hh"
128 { <<
129 delete fpG4TextPlus; <<
130 } <<
131 42
132 G4OpenGLStoredSceneHandler::TO& G4OpenGLStored << 43 #include "G4OpenGLViewerDataStore.hh"
133 (const G4OpenGLStoredSceneHandler::TO& rhs) << 44 #include "G4VPhysicalVolume.hh"
134 { << 45 #include "G4LogicalVolume.hh"
135 if (&rhs == this) return *this; <<
136 fDisplayListId = rhs.fDisplayListId; <<
137 fTransform = rhs.fTransform; <<
138 fPickName = rhs.fPickName; <<
139 fStartTime = rhs.fStartTime; <<
140 fEndTime = rhs.fEndTime; <<
141 fColour = rhs.fColour; <<
142 fpG4TextPlus = rhs.fpG4TextPlus? new G4TextP <<
143 fMarkerOrPolyline = rhs.fMarkerOrPolyline; <<
144 return *this; <<
145 } <<
146 46
147 G4OpenGLStoredSceneHandler::G4OpenGLStoredScen << 47 G4OpenGLStoredSceneHandler::G4OpenGLStoredSceneHandler (G4VGraphicsSystem& system,
148 (G4VGraphicsSystem& system, << 48 const G4String& name):
149 const G4String& name): <<
150 G4OpenGLSceneHandler (system, fSceneIdCount++, 49 G4OpenGLSceneHandler (system, fSceneIdCount++, name),
151 fDoNotUseDisplayList(false), << 50 fMemoryForDisplayLists (true),
152 fTopPODL (0) 51 fTopPODL (0)
153 {} 52 {}
154 53
155 G4OpenGLStoredSceneHandler::~G4OpenGLStoredSce 54 G4OpenGLStoredSceneHandler::~G4OpenGLStoredSceneHandler ()
156 {} 55 {}
157 56
158 void G4OpenGLStoredSceneHandler::BeginPrimitiv 57 void G4OpenGLStoredSceneHandler::BeginPrimitives
159 (const G4Transform3D& objectTransformation) << 58 (const G4Transform3D& objectTransformation) {
160 { <<
161 G4OpenGLSceneHandler::BeginPrimitives (objec <<
162 if (fReadyForTransients) glDrawBuffer (GL_FR <<
163 // Display list setup moved to AddPrimitiveP <<
164 } <<
165 <<
166 void G4OpenGLStoredSceneHandler::EndPrimitives <<
167 { <<
168 // See all primitives immediately... At lea <<
169 ScaledFlush(); <<
170 glDrawBuffer (GL_BACK); <<
171 G4OpenGLSceneHandler::EndPrimitives (); <<
172 } <<
173 <<
174 void G4OpenGLStoredSceneHandler::BeginPrimitiv <<
175 (const G4Transform3D& objectTransformation) <<
176 { <<
177 G4OpenGLSceneHandler::BeginPrimitives2D(obje <<
178 if (fReadyForTransients) glDrawBuffer (GL_FR <<
179 } <<
180 <<
181 void G4OpenGLStoredSceneHandler::EndPrimitives <<
182 { <<
183 // See all primitives immediately... At lea <<
184 ScaledFlush(); <<
185 glDrawBuffer (GL_BACK); <<
186 G4OpenGLSceneHandler::EndPrimitives2D (); <<
187 } <<
188 <<
189 G4bool G4OpenGLStoredSceneHandler::AddPrimitiv <<
190 { <<
191 return AddPrimitivePreambleInternal(visible, <<
192 } <<
193 G4bool G4OpenGLStoredSceneHandler::AddPrimitiv <<
194 { <<
195 return AddPrimitivePreambleInternal(visible, <<
196 } <<
197 G4bool G4OpenGLStoredSceneHandler::AddPrimitiv <<
198 { <<
199 return AddPrimitivePreambleInternal(visible, <<
200 } <<
201 <<
202 G4bool G4OpenGLStoredSceneHandler::AddPrimitiv <<
203 (const G4Visible& visible, bool isMarker, bool <<
204 { <<
205 // Get applicable vis attributes for all primi <<
206 fpVisAttribs = fpViewer->GetApplicableVisAtt <<
207 const G4Colour& c = GetColour (); <<
208 G4double opacity = c.GetAlpha (); <<
209 <<
210 G4bool transparency_enabled = true; <<
211 G4bool isMarkerNotHidden = true; <<
212 G4OpenGLViewer* pOGLViewer = dynamic_cast<G4 <<
213 if (pOGLViewer) { <<
214 transparency_enabled = pOGLViewer->transpa <<
215 isMarkerNotHidden = pOGLViewer->fVP.IsMark <<
216 } <<
217 <<
218 G4bool isTransparent = opacity < 1.; <<
219 G4bool isMarkerOrPolyline = isMarker || isPo <<
220 G4bool treatAsTransparent = transparency_ena <<
221 G4bool treatAsNotHidden = isMarkerNotHidden <<
222 <<
223 if (fProcessing2D) glDisable (GL_DEPTH_TEST) <<
224 else { <<
225 if (isMarkerOrPolyline && isMarkerNotHidde <<
226 glDisable (GL_DEPTH_TEST); <<
227 else {glEnable (GL_DEPTH_TEST); glDepthFun <<
228 } <<
229 <<
230 if (fThreePassCapable) { <<
231 <<
232 // Ensure transparent objects are drawn *a <<
233 // non-hidden markers. The problem of ble <<
234 // is quite a tricky one - see History of <<
235 if (!(fSecondPassForTransparency || fThird <<
236 // First pass... <<
237 if (treatAsTransparent) { // Request pa <<
238 fSecondPassForTransparencyRequested = <<
239 } <<
240 if (treatAsNotHidden) { // Request pa <<
241 fThirdPassForNonHiddenMarkersRequested <<
242 } <<
243 // On first pass, transparent objects an <<
244 if (treatAsTransparent || treatAsNotHidd <<
245 return false; // No further processin <<
246 } <<
247 } <<
248 <<
249 // On second pass, only transparent object <<
250 if (fSecondPassForTransparency) { <<
251 if (!treatAsTransparent) { <<
252 return false; // No further processin <<
253 } <<
254 } <<
255 <<
256 // On third pass, only non-hidden markers <<
257 if (fThirdPassForNonHiddenMarkers) { <<
258 if (!treatAsNotHidden) { <<
259 return false; // No further processin <<
260 } <<
261 } <<
262 } // fThreePassCapable <<
263 59
264 // Loads G4Atts for picking... << 60 G4VSceneHandler::BeginPrimitives (objectTransformation);
265 G4bool isPicking = false; <<
266 if (fpViewer->GetViewParameters().IsPicking( <<
267 isPicking = true; <<
268 glLoadName(++fPickName); <<
269 G4AttHolder* holder = new G4AttHolder; <<
270 LoadAtts(visible, holder); <<
271 fPickMap[fPickName] = holder; <<
272 } <<
273 <<
274 // Because of our need to control colour of <<
275 // time fading), display lists may only cove <<
276 // So display list setup is here. <<
277 <<
278 if (fDoNotUseDisplayList) { <<
279 <<
280 glPushMatrix(); <<
281 G4OpenGLTransform3D oglt (fObjectTransform <<
282 glMultMatrixd (oglt.GetGLMatrix ()); <<
283 if (transparency_enabled) { <<
284 glColor4d(c.GetRed(),c.GetGreen(),c.GetB <<
285 } else { <<
286 glColor3d(c.GetRed(),c.GetGreen(),c.GetB <<
287 } <<
288 <<
289 } else { <<
290 61
>> 62 if (fMemoryForDisplayLists) {
291 fDisplayListId = glGenLists (1); 63 fDisplayListId = glGenLists (1);
292 if (glGetError() == GL_OUT_OF_MEMORY) { << 64 if (!fDisplayListId) { // Could pre-allocate?
293 static G4int errorCount = 0; << 65 G4cout << "********************* WARNING! ********************\n"
294 if (errorCount < 5) { << 66 <<"Unable to allocate any more display lists in OpenGL.\n "
295 errorCount++; << 67 << " Continuing drawing in IMMEDIATE MODE.\n"
296 G4ExceptionDescription ed; << 68 << "***************************************************" << G4endl;
297 ed << << 69 fMemoryForDisplayLists = false;
298 "Error attempting to create an OpenGL <<
299 "\nCurrent display list id: " << fDisp <<
300 "\nMaybe out of memory?"; <<
301 G4Exception <<
302 ("G4OpenGLStoredSceneHandler::AddPrimi <<
303 JustWarning,ed); <<
304 } <<
305 return false; <<
306 } 70 }
>> 71 }
>> 72 if (fMemoryForDisplayLists) {
307 if (fReadyForTransients) { 73 if (fReadyForTransients) {
308 TO to(fDisplayListId, fObjectTransformat << 74 fTODLList.push_back (fDisplayListId);
309 if (isPicking) to.fPickName = fPickName; << 75 fTODLTransformList.push_back (objectTransformation);
310 to.fColour = c; << 76 glDrawBuffer (GL_FRONT);
311 to.fStartTime = fpVisAttribs->GetStartTi <<
312 to.fEndTime = fpVisAttribs->GetEndTime() <<
313 to.fMarkerOrPolyline = isMarkerOrPolylin <<
314 fTOList.push_back(to); <<
315 // For transient objects, colour, transf <<
316 // the TO, so should *not* be in the dis <<
317 // above, in some cases (display-by-time <<
318 // independent control of colour. But f <<
319 // colour for immediate display. <<
320 glPushMatrix(); 77 glPushMatrix();
321 G4OpenGLTransform3D oglt (fObjectTransfo << 78 G4OpenGLTransform3D oglt (objectTransformation);
322 glMultMatrixd (oglt.GetGLMatrix ()); 79 glMultMatrixd (oglt.GetGLMatrix ());
323 if (transparency_enabled) { <<
324 glColor4d(c.GetRed(),c.GetGreen(),c.Ge <<
325 } else { <<
326 glColor3d(c.GetRed(),c.GetGreen(),c.Ge <<
327 } <<
328 (void) ExtraTOProcessing(visible, fTOLis <<
329 // Ignore return value of the above. If <<
330 // gl commands, a display list is create <<
331 // used. <<
332 glNewList (fDisplayListId, GL_COMPILE_AN 80 glNewList (fDisplayListId, GL_COMPILE_AND_EXECUTE);
333 } else { <<
334 PO po(fDisplayListId, fObjectTransformat <<
335 if (isPicking) po.fPickName = fPickName; <<
336 po.fColour = c; <<
337 po.fMarkerOrPolyline = isMarkerOrPolylin <<
338 fPOList.push_back(po); <<
339 // For permanent objects, colour is kept <<
340 // *not* be in the display list. This i <<
341 // may implement colour modifications ac <<
342 // criteria, e.g., scene tree slider in <<
343 // colour for immediate display. <<
344 if (transparency_enabled) { <<
345 glColor4d(c.GetRed(),c.GetGreen(),c.Ge <<
346 } else { <<
347 glColor3d(c.GetRed(),c.GetGreen(),c.Ge <<
348 } <<
349 G4bool usesGLCommands = ExtraPOProcessin <<
350 // Transients are displayed as they come <<
351 // above) but persistents are compiled i <<
352 // (GL_COMPILE only) and then drawn from <<
353 // their fObjectTransformation as stored <<
354 // there is no need to do glMultMatrixd <<
355 // ExtraPOProcessing says the visible ob <<
356 // commands, simply return and abandon f <<
357 // is assumed that all relevant informat <<
358 // POList. <<
359 if (!usesGLCommands) return false; <<
360 glNewList (fDisplayListId, GL_COMPILE); <<
361 } 81 }
362 } << 82 else {
363 << 83 fPODLList.push_back (fDisplayListId);
364 if (fProcessing2D) { << 84 fPODLTransformList.push_back (objectTransformation);
365 // Push current 3D world matrices and load << 85 glNewList (fDisplayListId, GL_COMPILE);
366 // coordinates... <<
367 glMatrixMode (GL_PROJECTION); <<
368 glPushMatrix(); <<
369 glLoadIdentity(); <<
370 if (pOGLViewer) { <<
371 pOGLViewer->g4GlOrtho (-1., 1., -1., 1., <<
372 } 86 }
373 glMatrixMode (GL_MODELVIEW); << 87 } else {
>> 88 glDrawBuffer (GL_FRONT);
374 glPushMatrix(); 89 glPushMatrix();
375 glLoadIdentity(); << 90 G4OpenGLTransform3D oglt (objectTransformation);
376 G4OpenGLTransform3D oglt (fObjectTransform <<
377 glMultMatrixd (oglt.GetGLMatrix ()); 91 glMultMatrixd (oglt.GetGLMatrix ());
378 glDisable (GL_LIGHTING); <<
379 } else { <<
380 if (isMarker) { <<
381 glDisable (GL_LIGHTING); <<
382 } else { <<
383 glEnable (GL_LIGHTING); <<
384 } <<
385 } 92 }
386 <<
387 return true; <<
388 } 93 }
389 94
390 void G4OpenGLStoredSceneHandler::AddPrimitiveP << 95 void G4OpenGLStoredSceneHandler::EndPrimitives () {
391 { << 96 if (fMemoryForDisplayLists) {
392 if (fProcessing2D) { <<
393 // Pop current 3D world matrices back agai <<
394 glMatrixMode (GL_PROJECTION); <<
395 glPopMatrix(); <<
396 glMatrixMode (GL_MODELVIEW); <<
397 glPopMatrix(); <<
398 } <<
399 <<
400 // if ((glGetError() == GL_TABLE_TOO_LARGE) <<
401 if (glGetError() == GL_OUT_OF_MEMORY) { // <<
402 G4cerr << <<
403 "ERROR: G4OpenGLStoredSceneHandler::AddP <<
404 " to allocate display List for fTopPODL <<
405 << G4endl; <<
406 } <<
407 if (!fDoNotUseDisplayList) { <<
408 glEndList(); 97 glEndList();
409 if (glGetError() == GL_OUT_OF_MEMORY) { / <<
410 G4cerr << <<
411 "ERROR: G4OpenGLStoredSceneHandler::Ad <<
412 " to allocate display List for fTopPODL - t <<
413 << G4endl; <<
414 } <<
415 } 98 }
416 if (fReadyForTransients || fDoNotUseDisplayL << 99 if (fReadyForTransients || !fMemoryForDisplayLists) {
417 glPopMatrix(); 100 glPopMatrix();
>> 101 glFlush ();
>> 102 glDrawBuffer (GL_BACK);
418 } 103 }
419 } << 104 G4VSceneHandler::EndPrimitives ();
420 <<
421 void G4OpenGLStoredSceneHandler::AddPrimitive <<
422 { <<
423 G4bool furtherprocessing = AddPrimitivePream <<
424 if (furtherprocessing) { <<
425 G4OpenGLSceneHandler::AddPrimitive(polylin <<
426 AddPrimitivePostamble(); <<
427 } <<
428 } <<
429 <<
430 void G4OpenGLStoredSceneHandler::AddPrimitive <<
431 { <<
432 G4bool furtherprocessing = AddPrimitivePream <<
433 if (furtherprocessing) { <<
434 G4OpenGLSceneHandler::AddPrimitive(polymar <<
435 AddPrimitivePostamble(); <<
436 } <<
437 } <<
438 <<
439 void G4OpenGLStoredSceneHandler::AddPrimitive <<
440 { <<
441 // Note: colour is still handled in <<
442 // G4OpenGLSceneHandler::AddPrimitive(const <<
443 // gets into the display list <<
444 G4bool furtherprocessing = AddPrimitivePream <<
445 if (furtherprocessing) { <<
446 G4OpenGLSceneHandler::AddPrimitive(text); <<
447 AddPrimitivePostamble(); <<
448 } <<
449 } <<
450 <<
451 void G4OpenGLStoredSceneHandler::AddPrimitive <<
452 { <<
453 G4bool furtherprocessing = AddPrimitivePream <<
454 if (furtherprocessing) { <<
455 G4OpenGLSceneHandler::AddPrimitive(circle) <<
456 AddPrimitivePostamble(); <<
457 } <<
458 } <<
459 <<
460 void G4OpenGLStoredSceneHandler::AddPrimitive <<
461 { <<
462 G4bool furtherprocessing = AddPrimitivePream <<
463 if (furtherprocessing) { <<
464 G4OpenGLSceneHandler::AddPrimitive(square) <<
465 AddPrimitivePostamble(); <<
466 } <<
467 } <<
468 <<
469 void G4OpenGLStoredSceneHandler::AddPrimitive <<
470 { <<
471 // Note: colour is still handled in <<
472 // G4OpenGLSceneHandler::AddPrimitive(const <<
473 // gets into the display list <<
474 G4bool furtherprocessing = AddPrimitivePream <<
475 if (furtherprocessing) { <<
476 G4OpenGLSceneHandler::AddPrimitive(polyhed <<
477 AddPrimitivePostamble(); <<
478 } <<
479 } 105 }
480 106
481 void G4OpenGLStoredSceneHandler::BeginModeling 107 void G4OpenGLStoredSceneHandler::BeginModeling () {
482 G4VSceneHandler::BeginModeling(); 108 G4VSceneHandler::BeginModeling();
483 /* Debug... << 109 ClearStore(); // ...and all that goes with it.
484 fDisplayListId = glGenLists (1); <<
485 G4cout << "OGL::fDisplayListId (start): " << <<
486 */ <<
487 } 110 }
488 111
489 void G4OpenGLStoredSceneHandler::EndModeling ( 112 void G4OpenGLStoredSceneHandler::EndModeling () {
490 // Make a List which calls the other lists. 113 // Make a List which calls the other lists.
491 fTopPODL = glGenLists (1); 114 fTopPODL = glGenLists (1);
492 if (glGetError() == GL_OUT_OF_MEMORY) { // << 115 if (!fTopPODL) {
493 G4cerr << << 116 G4cout <<
494 "ERROR: G4OpenGLStoredSceneHandler::EndM 117 "ERROR: G4OpenGLStoredSceneHandler::EndModeling: Failure to allocate"
495 " display List for fTopPODL - try OpenG 118 " display List for fTopPODL - try OpenGL Immediated mode."
496 << G4endl; 119 << G4endl;
497 } else { << 120 }
498 << 121 else {
499 glNewList (fTopPODL, GL_COMPILE); { 122 glNewList (fTopPODL, GL_COMPILE); {
500 for (size_t i = 0; i < fPOList.size (); << 123 for (size_t i = 0; i < fPODLList.size (); i++) {
501 glPushMatrix(); 124 glPushMatrix();
502 G4OpenGLTransform3D oglt (fPOList[i].fTransf << 125 G4OpenGLTransform3D oglt (fPODLTransformList [i]);
503 glMultMatrixd (oglt.GetGLMatrix ()); 126 glMultMatrixd (oglt.GetGLMatrix ());
504 if (fpViewer->GetViewParameters().IsPicking( << 127 glCallList (fPODLList[i]);
505 glLoadName(fPOList[i].fPickName); <<
506 glCallList (fPOList[i].fDisplayListId); <<
507 glPopMatrix(); 128 glPopMatrix();
508 } 129 }
509 } 130 }
510 glEndList (); 131 glEndList ();
511 <<
512 if (glGetError() == GL_OUT_OF_MEMORY) { / <<
513 G4cerr << <<
514 "ERROR: G4OpenGLStoredSceneHandler::En <<
515 " display List for fTopPODL - try Ope <<
516 << G4endl; <<
517 } <<
518 } 132 }
519 133
520 G4VSceneHandler::EndModeling (); 134 G4VSceneHandler::EndModeling ();
521 } 135 }
522 136
523 void G4OpenGLStoredSceneHandler::ClearStore () 137 void G4OpenGLStoredSceneHandler::ClearStore () {
524 138
525 //G4cout << "G4OpenGLStoredSceneHandler::Cle <<
526 <<
527 G4VSceneHandler::ClearStore (); // Sets nee 139 G4VSceneHandler::ClearStore (); // Sets need kernel visit, etc.
528 140
>> 141 size_t i;
>> 142
529 // Delete OpenGL permanent display lists. 143 // Delete OpenGL permanent display lists.
530 for (size_t i = 0; i < fPOList.size (); i++) << 144 for (i = 0; i < fPODLList.size (); i++) {
531 glDeleteLists (fPOList[i].fDisplayListId, << 145 if (fPODLList [i]) {
>> 146 glDeleteLists (fPODLList [i], 1);
>> 147 } else {
>> 148 G4cerr << "Warning : NULL display List in fPODLList." << G4endl;
>> 149 }
>> 150 }
>> 151
532 if (fTopPODL) glDeleteLists (fTopPODL, 1); 152 if (fTopPODL) glDeleteLists (fTopPODL, 1);
533 fTopPODL = 0; 153 fTopPODL = 0;
534 154
535 // Clear other lists, dictionary, etc. 155 // Clear other lists, dictionary, etc.
536 fPOList.clear (); << 156 fPODLList.clear ();
>> 157 fPODLTransformList.clear ();
537 fSolidMap.clear (); 158 fSolidMap.clear ();
538 ClearAndDestroyAtts(); <<
539 159
540 // ...and clear transient store... 160 // ...and clear transient store...
541 for (size_t i = 0; i < fTOList.size (); i++) << 161 for (i = 0; i < fTODLList.size (); i++) {
542 glDeleteLists(fTOList[i].fDisplayListId, 1 << 162 if (fTODLList [i]) {
543 fTOList.clear (); << 163 glDeleteLists (fTODLList [i], 1);
>> 164 } else {
>> 165 G4cerr << "Warning : NULL display List in fTODLList." << G4endl;
>> 166 }
>> 167 }
>> 168 fTODLList.clear ();
>> 169 fTODLTransformList.clear ();
544 } 170 }
545 171
546 void G4OpenGLStoredSceneHandler::ClearTransien << 172 void G4OpenGLStoredSceneHandler::ClearTransientStore () {
547 { << 173
548 //G4cout << "G4OpenGLStoredSceneHandler::Cle << 174 G4VSceneHandler::ClearTransientStore ();
549 << 175
550 // Delete OpenGL transient display lists and << 176 size_t i;
551 for (size_t i = 0; i < fTOList.size (); i++) <<
552 glDeleteLists(fTOList[i].fDisplayListId, 1 <<
553 fTOList.clear (); <<
554 177
555 // Redraw the scene ready for the next event << 178 // Delete OpenGL transient display lists.
>> 179 for (i = 0; i < fTODLList.size (); i++) {
>> 180 if (fTODLList [i]) {
>> 181 glDeleteLists (fTODLList [i], 1);
>> 182 } else {
>> 183 G4cerr << "Warning : NULL display List in fTODLList." << G4endl;
>> 184 }
>> 185 }
>> 186
>> 187 // Clear other lists, dictionary, etc.
>> 188 fTODLList.clear ();
>> 189 fTODLTransformList.clear ();
>> 190
>> 191 // Make sure screen corresponds to graphical database...
556 if (fpViewer) { 192 if (fpViewer) {
557 fpViewer -> SetView (); 193 fpViewer -> SetView ();
558 fpViewer -> ClearView (); 194 fpViewer -> ClearView ();
559 fpViewer -> DrawView (); 195 fpViewer -> DrawView ();
560 } 196 }
561 } 197 }
>> 198
>> 199 void G4OpenGLStoredSceneHandler::RequestPrimitives (const G4VSolid& solid) {
>> 200 if (fReadyForTransients) {
>> 201 // Always draw transient solids, e.g., hits represented as solids.
>> 202 // (As we have no control over the order of drawing of transient
>> 203 // objects, we cannot do anything about transparent ones, as
>> 204 // below, so always draw them.)
>> 205 G4VSceneHandler::RequestPrimitives (solid);
>> 206 }
>> 207 else {
>> 208
>> 209 // For non-transient (run-duration) objects, ensure transparent
>> 210 // objects are drawn last. The problem of
>> 211 // blending/transparency/alpha is quite a tricky one - see History
>> 212 // of opengl-V07-01-01/2/3.
>> 213 // Get vis attributes - pick up defaults if none.
>> 214 const G4VisAttributes* pVA =
>> 215 fpViewer -> GetApplicableVisAttributes(fpVisAttribs);
>> 216 const G4Colour& c = pVA -> GetColour ();
>> 217 G4double opacity = c.GetAlpha ();
>> 218 if (!fSecondPass) {
>> 219 G4bool transparency_enabled =
>> 220 G4OpenGLViewerDataStore::GetTransparencyEnabled(fpViewer);
>> 221 if (transparency_enabled && opacity < 1.) {
>> 222 // On first pass, transparent objects are not drawn, but flag is set...
>> 223 fSecondPassRequested = true;
>> 224 return;
>> 225 }
>> 226 }
>> 227 // On second pass, opaque objects are not drwan...
>> 228 if (fSecondPass && opacity >= 1.) return;
>> 229
>> 230 // If a display list already exists for this solid, re-use it if
>> 231 // possible. We could be smarter, and recognise repeated branches
>> 232 // of the geometry hierarchy, for example. But this a;gorithm
>> 233 // should be secure, I think...
>> 234 const G4VSolid* pSolid = &solid;
>> 235 if (fpCurrentPV &&
>> 236 // Provided it is not replicated (because if so, the solid's
>> 237 // parameters might have been changed)...
>> 238 !(fpCurrentPV -> IsReplicated ()) &&
>> 239 // ...and if the solid has already been rendered...
>> 240 (fSolidMap.find (pSolid) != fSolidMap.end ())) {
>> 241 fDisplayListId = fSolidMap [pSolid];
>> 242 fPODLList.push_back (fDisplayListId);
>> 243 fPODLTransformList.push_back (*fpObjectTransformation);
>> 244 }
>> 245 else {
>> 246 G4VSceneHandler::RequestPrimitives (solid);
>> 247 fSolidMap [pSolid] = fDisplayListId;
>> 248 }
>> 249 }
>> 250 }
>> 251
>> 252 G4int G4OpenGLStoredSceneHandler::fSceneIdCount = 0;
>> 253
>> 254 #endif
562 255