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1 // 1 //
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25 // 25 //
26 // 26 //
>> 27 // $Id: G4OpenGLStoredSceneHandler.cc,v 1.40 2009/02/04 16:48:41 lgarnier Exp $
>> 28 // GEANT4 tag $Name: geant4-09-03-patch-01 $
27 // 29 //
28 // 30 //
29 // Andrew Walkden 10th February 1997 31 // Andrew Walkden 10th February 1997
30 // OpenGL stored scene - creates OpenGL displa 32 // OpenGL stored scene - creates OpenGL display lists.
31 33
>> 34 #ifdef G4VIS_BUILD_OPENGL_DRIVER
>> 35
>> 36 // Included here - problems with HP compiler if not before other includes?
>> 37 #include "G4NURBS.hh"
>> 38
>> 39 // Here follows a special for Mesa, the OpenGL emulator. Does not affect
>> 40 // other OpenGL's, as far as I'm aware. John Allison 18/9/96.
>> 41 #define CENTERLINE_CLPP /* CenterLine C++ workaround: */
>> 42 // Also seems to be required for HP's CC and AIX xlC, at least.
>> 43
32 #include "G4OpenGLStoredSceneHandler.hh" 44 #include "G4OpenGLStoredSceneHandler.hh"
33 45
34 #include "G4PhysicalVolumeModel.hh" 46 #include "G4PhysicalVolumeModel.hh"
35 #include "G4LogicalVolumeModel.hh" <<
36 #include "G4VPhysicalVolume.hh" 47 #include "G4VPhysicalVolume.hh"
37 #include "G4LogicalVolume.hh" 48 #include "G4LogicalVolume.hh"
38 #include "G4Polyline.hh" 49 #include "G4Polyline.hh"
39 #include "G4Polymarker.hh" 50 #include "G4Polymarker.hh"
40 #include "G4Text.hh" 51 #include "G4Text.hh"
41 #include "G4Circle.hh" 52 #include "G4Circle.hh"
42 #include "G4Square.hh" 53 #include "G4Square.hh"
43 #include "G4Polyhedron.hh" 54 #include "G4Polyhedron.hh"
44 #include "G4AttHolder.hh" 55 #include "G4AttHolder.hh"
45 #include "G4OpenGLTransform3D.hh" 56 #include "G4OpenGLTransform3D.hh"
46 #include "G4OpenGLViewer.hh" 57 #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 58
71 G4OpenGLStoredSceneHandler::PO::PO(G4int id, c << 59 G4OpenGLStoredSceneHandler::PO::PO
>> 60 (G4int id,
>> 61 const G4Transform3D& tr):
72 fDisplayListId(id), 62 fDisplayListId(id),
73 fTransform(tr), 63 fTransform(tr),
74 fPickName(0), << 64 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 <<
97 G4OpenGLStoredSceneHandler::TO::TO(): <<
98 fDisplayListId(0), <<
99 fPickName(0), <<
100 fStartTime(-G4VisAttributes::fVeryLongTime), <<
101 fEndTime(G4VisAttributes::fVeryLongTime), <<
102 fpG4TextPlus(0), <<
103 fMarkerOrPolyline(false) <<
104 {} <<
105 <<
106 G4OpenGLStoredSceneHandler::TO::TO(const G4Ope <<
107 fDisplayListId(to.fDisplayListId), <<
108 fTransform(to.fTransform), <<
109 fPickName(to.fPickName), <<
110 fStartTime(to.fStartTime), <<
111 fEndTime(to.fEndTime), <<
112 fColour(to.fColour), <<
113 fpG4TextPlus(to.fpG4TextPlus? new G4TextPlus <<
114 fMarkerOrPolyline(to.fMarkerOrPolyline) <<
115 {} 65 {}
116 66
117 G4OpenGLStoredSceneHandler::TO::TO(G4int id, c << 67 G4OpenGLStoredSceneHandler::TO::TO
>> 68 (G4int id,
>> 69 const G4Transform3D& tr):
118 fDisplayListId(id), 70 fDisplayListId(id),
119 fTransform(tr), 71 fTransform(tr),
120 fPickName(0), 72 fPickName(0),
121 fStartTime(-G4VisAttributes::fVeryLongTime), << 73 fStartTime(-DBL_MAX),
122 fEndTime(G4VisAttributes::fVeryLongTime), << 74 fEndTime(DBL_MAX)
123 fpG4TextPlus(0), <<
124 fMarkerOrPolyline(false) <<
125 {} 75 {}
126 76
127 G4OpenGLStoredSceneHandler::TO::~TO() <<
128 { <<
129 delete fpG4TextPlus; <<
130 } <<
131 <<
132 G4OpenGLStoredSceneHandler::TO& G4OpenGLStored <<
133 (const G4OpenGLStoredSceneHandler::TO& rhs) <<
134 { <<
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 <<
147 G4OpenGLStoredSceneHandler::G4OpenGLStoredScen 77 G4OpenGLStoredSceneHandler::G4OpenGLStoredSceneHandler
148 (G4VGraphicsSystem& system, 78 (G4VGraphicsSystem& system,
149 const G4String& name): 79 const G4String& name):
150 G4OpenGLSceneHandler (system, fSceneIdCount++, 80 G4OpenGLSceneHandler (system, fSceneIdCount++, name),
151 fDoNotUseDisplayList(false), << 81 fMemoryForDisplayLists (true),
>> 82 fAddPrimitivePreambleNestingDepth (0),
152 fTopPODL (0) 83 fTopPODL (0)
153 {} 84 {}
154 85
155 G4OpenGLStoredSceneHandler::~G4OpenGLStoredSce 86 G4OpenGLStoredSceneHandler::~G4OpenGLStoredSceneHandler ()
156 {} 87 {}
157 88
158 void G4OpenGLStoredSceneHandler::BeginPrimitiv << 89 void G4OpenGLStoredSceneHandler::AddPrimitivePreamble(const G4Visible& visible)
159 (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 { 90 {
205 // Get applicable vis attributes for all primi << 91 // Track nesting depth to avoid recursive calls, for example, from a
206 fpVisAttribs = fpViewer->GetApplicableVisAtt << 92 // G4Polymarker that invokes a G4Circle...
207 const G4Colour& c = GetColour (); << 93 fAddPrimitivePreambleNestingDepth++;
208 G4double opacity = c.GetAlpha (); << 94 if (fAddPrimitivePreambleNestingDepth > 1) return;
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 <<
264 // Loads G4Atts for picking... <<
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 95
274 // Because of our need to control colour of 96 // Because of our need to control colour of transients (display by
275 // time fading), display lists may only cove 97 // time fading), display lists may only cover a single primitive.
276 // So display list setup is here. 98 // So display list setup is here.
277 99
278 if (fDoNotUseDisplayList) { << 100 if (fpViewer->GetViewParameters().IsPicking()) {
279 << 101 fPickMap[++fPickName] = 0;
280 glPushMatrix(); << 102 }
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 } <<
288 103
289 } else { << 104 const G4Colour& c = GetColour (visible);
290 105
>> 106 if (fMemoryForDisplayLists) {
291 fDisplayListId = glGenLists (1); 107 fDisplayListId = glGenLists (1);
292 if (glGetError() == GL_OUT_OF_MEMORY) { << 108 if (glGetError() == GL_OUT_OF_MEMORY) { // Could pre-allocate?
293 static G4int errorCount = 0; << 109 G4cout <<
294 if (errorCount < 5) { << 110 "********************* WARNING! ********************"
295 errorCount++; << 111 "\nUnable to allocate any more display lists in OpenGL."
296 G4ExceptionDescription ed; << 112 "\n Continuing drawing in IMMEDIATE MODE."
297 ed << << 113 "\n***************************************************"
298 "Error attempting to create an OpenGL << 114 << G4endl;
299 "\nCurrent display list id: " << fDisp << 115 fMemoryForDisplayLists = false;
300 "\nMaybe out of memory?"; <<
301 G4Exception <<
302 ("G4OpenGLStoredSceneHandler::AddPrimi <<
303 JustWarning,ed); <<
304 } <<
305 return false; <<
306 } 116 }
>> 117 }
>> 118 if (fMemoryForDisplayLists) {
307 if (fReadyForTransients) { 119 if (fReadyForTransients) {
308 TO to(fDisplayListId, fObjectTransformat << 120 TO to(fDisplayListId, *fpObjectTransformation);
309 if (isPicking) to.fPickName = fPickName; << 121 to.fPickName = fPickName;
310 to.fColour = c; 122 to.fColour = c;
311 to.fStartTime = fpVisAttribs->GetStartTi << 123 const G4VisAttributes* pVA =
312 to.fEndTime = fpVisAttribs->GetEndTime() << 124 fpViewer->GetApplicableVisAttributes(visible.GetVisAttributes());
313 to.fMarkerOrPolyline = isMarkerOrPolylin << 125 to.fStartTime = pVA->GetStartTime();
>> 126 to.fEndTime = pVA->GetEndTime();
314 fTOList.push_back(to); 127 fTOList.push_back(to);
315 // For transient objects, colour, transf << 128 glDrawBuffer (GL_FRONT);
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(); 129 glPushMatrix();
321 G4OpenGLTransform3D oglt (fObjectTransfo << 130 G4OpenGLTransform3D oglt (*fpObjectTransformation);
322 glMultMatrixd (oglt.GetGLMatrix ()); 131 glMultMatrixd (oglt.GetGLMatrix ());
323 if (transparency_enabled) { << 132 glColor3d (c.GetRed (), c.GetGreen (), c.GetBlue ());
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 133 glNewList (fDisplayListId, GL_COMPILE_AND_EXECUTE);
333 } else { << 134 }
334 PO po(fDisplayListId, fObjectTransformat << 135 else {
335 if (isPicking) po.fPickName = fPickName; << 136 PO po(fDisplayListId, *fpObjectTransformation);
336 po.fColour = c; << 137 po.fPickName = fPickName;
337 po.fMarkerOrPolyline = isMarkerOrPolylin <<
338 fPOList.push_back(po); 138 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); 139 glNewList (fDisplayListId, GL_COMPILE);
>> 140 glColor3d (c.GetRed (), c.GetGreen (), c.GetBlue ());
361 } 141 }
>> 142 } else {
>> 143 glDrawBuffer (GL_FRONT);
>> 144 glPushMatrix();
>> 145 G4OpenGLTransform3D oglt (*fpObjectTransformation);
>> 146 glMultMatrixd (oglt.GetGLMatrix ());
>> 147 glColor3d (c.GetRed (), c.GetGreen (), c.GetBlue ());
362 } 148 }
363 149
364 if (fProcessing2D) { 150 if (fProcessing2D) {
365 // Push current 3D world matrices and load 151 // Push current 3D world matrices and load identity to define screen
366 // coordinates... 152 // coordinates...
367 glMatrixMode (GL_PROJECTION); 153 glMatrixMode (GL_PROJECTION);
368 glPushMatrix(); 154 glPushMatrix();
369 glLoadIdentity(); 155 glLoadIdentity();
370 if (pOGLViewer) { << 156 glOrtho (-1., 1., -1., 1., -G4OPENGL_FLT_BIG, G4OPENGL_FLT_BIG);
371 pOGLViewer->g4GlOrtho (-1., 1., -1., 1., <<
372 } <<
373 glMatrixMode (GL_MODELVIEW); 157 glMatrixMode (GL_MODELVIEW);
374 glPushMatrix(); 158 glPushMatrix();
375 glLoadIdentity(); 159 glLoadIdentity();
376 G4OpenGLTransform3D oglt (fObjectTransform << 160 G4OpenGLTransform3D oglt (*fpObjectTransformation);
377 glMultMatrixd (oglt.GetGLMatrix ()); 161 glMultMatrixd (oglt.GetGLMatrix ());
378 glDisable (GL_LIGHTING); << 162 glColor3d (c.GetRed (), c.GetGreen (), c.GetBlue ());
379 } else { <<
380 if (isMarker) { <<
381 glDisable (GL_LIGHTING); <<
382 } else { <<
383 glEnable (GL_LIGHTING); <<
384 } <<
385 } 163 }
386 <<
387 return true; <<
388 } 164 }
389 165
390 void G4OpenGLStoredSceneHandler::AddPrimitiveP 166 void G4OpenGLStoredSceneHandler::AddPrimitivePostamble()
391 { 167 {
392 if (fProcessing2D) { 168 if (fProcessing2D) {
393 // Pop current 3D world matrices back agai 169 // Pop current 3D world matrices back again...
394 glMatrixMode (GL_PROJECTION); 170 glMatrixMode (GL_PROJECTION);
395 glPopMatrix(); 171 glPopMatrix();
396 glMatrixMode (GL_MODELVIEW); 172 glMatrixMode (GL_MODELVIEW);
397 glPopMatrix(); 173 glPopMatrix();
398 } 174 }
399 175
400 // if ((glGetError() == GL_TABLE_TOO_LARGE) 176 // if ((glGetError() == GL_TABLE_TOO_LARGE) || (glGetError() == GL_OUT_OF_MEMORY)) { // Could close?
401 if (glGetError() == GL_OUT_OF_MEMORY) { // 177 if (glGetError() == GL_OUT_OF_MEMORY) { // Could close?
402 G4cerr << << 178 G4cout <<
403 "ERROR: G4OpenGLStoredSceneHandler::AddP << 179 "ERROR: G4OpenGLStoredSceneHandler::EndModeling: Failure to allocate"
404 " to allocate display List for fTopPODL << 180 " display List for fTopPODL - try OpenGL Immediated mode."
405 << G4endl; 181 << G4endl;
406 } 182 }
407 if (!fDoNotUseDisplayList) { << 183 if (fMemoryForDisplayLists) {
408 glEndList(); 184 glEndList();
409 if (glGetError() == GL_OUT_OF_MEMORY) { / 185 if (glGetError() == GL_OUT_OF_MEMORY) { // Could close?
410 G4cerr << << 186 G4cout <<
411 "ERROR: G4OpenGLStoredSceneHandler::Ad << 187 "ERROR: G4OpenGLStoredSceneHandler::EndModeling: Failure to allocate"
412 " to allocate display List for fTopPODL - t << 188 " display List for fTopPODL - try OpenGL Immediated mode."
413 << G4endl; 189 << G4endl;
414 } 190 }
415 } 191 }
416 if (fReadyForTransients || fDoNotUseDisplayL << 192 if (fReadyForTransients || !fMemoryForDisplayLists) {
417 glPopMatrix(); 193 glPopMatrix();
>> 194 glFlush ();
>> 195 glDrawBuffer (GL_BACK);
418 } 196 }
>> 197 fAddPrimitivePreambleNestingDepth--;
419 } 198 }
420 199
421 void G4OpenGLStoredSceneHandler::AddPrimitive 200 void G4OpenGLStoredSceneHandler::AddPrimitive (const G4Polyline& polyline)
422 { 201 {
423 G4bool furtherprocessing = AddPrimitivePream << 202 AddPrimitivePreamble(polyline);
424 if (furtherprocessing) { << 203 G4OpenGLSceneHandler::AddPrimitive(polyline);
425 G4OpenGLSceneHandler::AddPrimitive(polylin << 204 AddPrimitivePostamble();
426 AddPrimitivePostamble(); <<
427 } <<
428 } 205 }
429 206
430 void G4OpenGLStoredSceneHandler::AddPrimitive 207 void G4OpenGLStoredSceneHandler::AddPrimitive (const G4Polymarker& polymarker)
431 { 208 {
432 G4bool furtherprocessing = AddPrimitivePream << 209 AddPrimitivePreamble(polymarker);
433 if (furtherprocessing) { << 210 G4OpenGLSceneHandler::AddPrimitive(polymarker);
434 G4OpenGLSceneHandler::AddPrimitive(polymar << 211 AddPrimitivePostamble();
435 AddPrimitivePostamble(); <<
436 } <<
437 } 212 }
438 213
439 void G4OpenGLStoredSceneHandler::AddPrimitive 214 void G4OpenGLStoredSceneHandler::AddPrimitive (const G4Text& text)
440 { 215 {
441 // Note: colour is still handled in 216 // Note: colour is still handled in
442 // G4OpenGLSceneHandler::AddPrimitive(const 217 // G4OpenGLSceneHandler::AddPrimitive(const G4Text&), so it still
443 // gets into the display list 218 // gets into the display list
444 G4bool furtherprocessing = AddPrimitivePream << 219 AddPrimitivePreamble(text);
445 if (furtherprocessing) { << 220 G4OpenGLSceneHandler::AddPrimitive(text);
446 G4OpenGLSceneHandler::AddPrimitive(text); << 221 AddPrimitivePostamble();
447 AddPrimitivePostamble(); <<
448 } <<
449 } 222 }
450 223
451 void G4OpenGLStoredSceneHandler::AddPrimitive 224 void G4OpenGLStoredSceneHandler::AddPrimitive (const G4Circle& circle)
452 { 225 {
453 G4bool furtherprocessing = AddPrimitivePream << 226 AddPrimitivePreamble(circle);
454 if (furtherprocessing) { << 227 G4OpenGLSceneHandler::AddPrimitive(circle);
455 G4OpenGLSceneHandler::AddPrimitive(circle) << 228 AddPrimitivePostamble();
456 AddPrimitivePostamble(); <<
457 } <<
458 } 229 }
459 230
460 void G4OpenGLStoredSceneHandler::AddPrimitive 231 void G4OpenGLStoredSceneHandler::AddPrimitive (const G4Square& square)
461 { 232 {
462 G4bool furtherprocessing = AddPrimitivePream << 233 AddPrimitivePreamble(square);
463 if (furtherprocessing) { << 234 G4OpenGLSceneHandler::AddPrimitive(square);
464 G4OpenGLSceneHandler::AddPrimitive(square) << 235 AddPrimitivePostamble();
465 AddPrimitivePostamble(); << 236 }
466 } << 237
>> 238 void G4OpenGLStoredSceneHandler::AddPrimitive (const G4Scale& scale)
>> 239 {
>> 240 // Let base class split into primitives.
>> 241 G4OpenGLSceneHandler::AddPrimitive(scale);
467 } 242 }
468 243
469 void G4OpenGLStoredSceneHandler::AddPrimitive 244 void G4OpenGLStoredSceneHandler::AddPrimitive (const G4Polyhedron& polyhedron)
470 { 245 {
471 // Note: colour is still handled in 246 // Note: colour is still handled in
472 // G4OpenGLSceneHandler::AddPrimitive(const 247 // G4OpenGLSceneHandler::AddPrimitive(const G4Polyhedron&), so it still
473 // gets into the display list 248 // gets into the display list
474 G4bool furtherprocessing = AddPrimitivePream << 249 AddPrimitivePreamble(polyhedron);
475 if (furtherprocessing) { << 250 G4OpenGLSceneHandler::AddPrimitive(polyhedron);
476 G4OpenGLSceneHandler::AddPrimitive(polyhed << 251 AddPrimitivePostamble();
477 AddPrimitivePostamble(); << 252 }
478 } << 253
>> 254 void G4OpenGLStoredSceneHandler::AddPrimitive (const G4NURBS& nurbs)
>> 255 {
>> 256 // Note: colour is still handled in
>> 257 // G4OpenGLSceneHandler::AddPrimitive(const G4NURBS&), so it still
>> 258 // gets into the display list
>> 259 AddPrimitivePreamble(nurbs);
>> 260 G4OpenGLSceneHandler::AddPrimitive(nurbs);
>> 261 AddPrimitivePostamble();
>> 262 }
>> 263
>> 264 void G4OpenGLStoredSceneHandler::BeginPrimitives
>> 265 (const G4Transform3D& objectTransformation)
>> 266 {
>> 267 G4OpenGLSceneHandler::BeginPrimitives (objectTransformation);
>> 268
>> 269 // Display list setup moved to AddPrimitivePreamble. See notes there.
>> 270 }
>> 271
>> 272 void G4OpenGLStoredSceneHandler::EndPrimitives ()
>> 273 {
>> 274 G4OpenGLSceneHandler::EndPrimitives ();
>> 275 }
>> 276
>> 277 void G4OpenGLStoredSceneHandler::BeginPrimitives2D
>> 278 (const G4Transform3D& objectTransformation)
>> 279 {
>> 280 G4OpenGLSceneHandler::BeginPrimitives2D(objectTransformation);
>> 281 }
>> 282
>> 283 void G4OpenGLStoredSceneHandler::EndPrimitives2D ()
>> 284 {
>> 285 G4OpenGLSceneHandler::EndPrimitives2D ();
479 } 286 }
480 287
481 void G4OpenGLStoredSceneHandler::BeginModeling 288 void G4OpenGLStoredSceneHandler::BeginModeling () {
482 G4VSceneHandler::BeginModeling(); 289 G4VSceneHandler::BeginModeling();
>> 290 ClearStore(); // ...and all that goes with it.
483 /* Debug... 291 /* Debug...
484 fDisplayListId = glGenLists (1); 292 fDisplayListId = glGenLists (1);
485 G4cout << "OGL::fDisplayListId (start): " << 293 G4cout << "OGL::fDisplayListId (start): " << fDisplayListId << G4endl;
486 */ 294 */
487 } 295 }
488 296
489 void G4OpenGLStoredSceneHandler::EndModeling ( 297 void G4OpenGLStoredSceneHandler::EndModeling () {
490 // Make a List which calls the other lists. 298 // Make a List which calls the other lists.
491 fTopPODL = glGenLists (1); 299 fTopPODL = glGenLists (1);
492 if (glGetError() == GL_OUT_OF_MEMORY) { // 300 if (glGetError() == GL_OUT_OF_MEMORY) { // Could pre-allocate?
493 G4cerr << << 301 G4cout <<
494 "ERROR: G4OpenGLStoredSceneHandler::EndM 302 "ERROR: G4OpenGLStoredSceneHandler::EndModeling: Failure to allocate"
495 " display List for fTopPODL - try OpenG 303 " display List for fTopPODL - try OpenGL Immediated mode."
496 << G4endl; 304 << G4endl;
497 } else { 305 } else {
498 << 306 glNewList (fTopPODL, GL_COMPILE_AND_EXECUTE); {
499 glNewList (fTopPODL, GL_COMPILE); { <<
500 for (size_t i = 0; i < fPOList.size (); 307 for (size_t i = 0; i < fPOList.size (); i++) {
501 glPushMatrix(); 308 glPushMatrix();
502 G4OpenGLTransform3D oglt (fPOList[i].fTransf 309 G4OpenGLTransform3D oglt (fPOList[i].fTransform);
503 glMultMatrixd (oglt.GetGLMatrix ()); 310 glMultMatrixd (oglt.GetGLMatrix ());
504 if (fpViewer->GetViewParameters().IsPicking( 311 if (fpViewer->GetViewParameters().IsPicking())
505 glLoadName(fPOList[i].fPickName); 312 glLoadName(fPOList[i].fPickName);
506 glCallList (fPOList[i].fDisplayListId); 313 glCallList (fPOList[i].fDisplayListId);
507 glPopMatrix(); 314 glPopMatrix();
508 } 315 }
509 } 316 }
510 glEndList (); 317 glEndList ();
511 <<
512 if (glGetError() == GL_OUT_OF_MEMORY) { / 318 if (glGetError() == GL_OUT_OF_MEMORY) { // Could close?
513 G4cerr << << 319 G4cout <<
514 "ERROR: G4OpenGLStoredSceneHandler::En 320 "ERROR: G4OpenGLStoredSceneHandler::EndModeling: Failure to allocate"
515 " display List for fTopPODL - try Ope 321 " display List for fTopPODL - try OpenGL Immediated mode."
516 << G4endl; 322 << G4endl;
517 } 323 }
518 } 324 }
519 325
520 G4VSceneHandler::EndModeling (); 326 G4VSceneHandler::EndModeling ();
>> 327
>> 328 /* Debug...
>> 329 fDisplayListId = glGenLists (1);
>> 330 G4cout << "OGL::fDisplayListId (end): " << fDisplayListId << G4endl;
>> 331 */
521 } 332 }
522 333
523 void G4OpenGLStoredSceneHandler::ClearStore () 334 void G4OpenGLStoredSceneHandler::ClearStore () {
524 335
525 //G4cout << "G4OpenGLStoredSceneHandler::Cle <<
526 <<
527 G4VSceneHandler::ClearStore (); // Sets nee 336 G4VSceneHandler::ClearStore (); // Sets need kernel visit, etc.
528 337
529 // Delete OpenGL permanent display lists. 338 // Delete OpenGL permanent display lists.
530 for (size_t i = 0; i < fPOList.size (); i++) 339 for (size_t i = 0; i < fPOList.size (); i++)
531 glDeleteLists (fPOList[i].fDisplayListId, 340 glDeleteLists (fPOList[i].fDisplayListId, 1);
532 if (fTopPODL) glDeleteLists (fTopPODL, 1); 341 if (fTopPODL) glDeleteLists (fTopPODL, 1);
533 fTopPODL = 0; 342 fTopPODL = 0;
534 343
535 // Clear other lists, dictionary, etc. 344 // Clear other lists, dictionary, etc.
536 fPOList.clear (); 345 fPOList.clear ();
537 fSolidMap.clear (); 346 fSolidMap.clear ();
538 ClearAndDestroyAtts(); 347 ClearAndDestroyAtts();
539 348
540 // ...and clear transient store... 349 // ...and clear transient store...
541 for (size_t i = 0; i < fTOList.size (); i++) 350 for (size_t i = 0; i < fTOList.size (); i++)
542 glDeleteLists(fTOList[i].fDisplayListId, 1 351 glDeleteLists(fTOList[i].fDisplayListId, 1);
543 fTOList.clear (); 352 fTOList.clear ();
544 } 353 }
545 354
546 void G4OpenGLStoredSceneHandler::ClearTransien << 355 void G4OpenGLStoredSceneHandler::ClearTransientStore () {
547 { << 356
548 //G4cout << "G4OpenGLStoredSceneHandler::Cle << 357 G4VSceneHandler::ClearTransientStore ();
549 358
550 // Delete OpenGL transient display lists and 359 // Delete OpenGL transient display lists and Transient Objects themselves.
551 for (size_t i = 0; i < fTOList.size (); i++) 360 for (size_t i = 0; i < fTOList.size (); i++)
552 glDeleteLists(fTOList[i].fDisplayListId, 1 361 glDeleteLists(fTOList[i].fDisplayListId, 1);
553 fTOList.clear (); 362 fTOList.clear ();
554 363
555 // Redraw the scene ready for the next event << 364 // Make sure screen corresponds to graphical database...
556 if (fpViewer) { 365 if (fpViewer) {
557 fpViewer -> SetView (); 366 fpViewer -> SetView ();
558 fpViewer -> ClearView (); 367 fpViewer -> ClearView ();
559 fpViewer -> DrawView (); 368 fpViewer -> DrawView ();
560 } 369 }
561 } 370 }
>> 371
>> 372 void G4OpenGLStoredSceneHandler::RequestPrimitives (const G4VSolid& solid)
>> 373 {
>> 374 if (fReadyForTransients) {
>> 375 // Always draw transient solids, e.g., hits represented as solids.
>> 376 // (As we have no control over the order of drawing of transient
>> 377 // objects, we cannot do anything about transparent ones, as
>> 378 // below, so always draw them.)
>> 379 G4VSceneHandler::RequestPrimitives (solid);
>> 380 return;
>> 381 }
>> 382
>> 383 // For non-transient (run-duration) objects, ensure transparent
>> 384 // objects are drawn last. The problem of
>> 385 // blending/transparency/alpha is quite a tricky one - see History
>> 386 // of opengl-V07-01-01/2/3.
>> 387 // Get vis attributes - pick up defaults if none.
>> 388 const G4VisAttributes* pVA =
>> 389 fpViewer -> GetApplicableVisAttributes(fpVisAttribs);
>> 390 const G4Colour& c = pVA -> GetColour ();
>> 391 G4double opacity = c.GetAlpha ();
>> 392
>> 393 if (!fSecondPass) {
>> 394 G4bool transparency_enabled = true;
>> 395 G4OpenGLViewer* pViewer = dynamic_cast<G4OpenGLViewer*>(fpViewer);
>> 396 if (pViewer) transparency_enabled = pViewer->transparency_enabled;
>> 397 if (transparency_enabled && opacity < 1.) {
>> 398 // On first pass, transparent objects are not drawn, but flag is set...
>> 399 fSecondPassRequested = true;
>> 400 return;
>> 401 }
>> 402 }
>> 403
>> 404 // On second pass, opaque objects are not drwan...
>> 405 if (fSecondPass && opacity >= 1.) return;
>> 406
>> 407 G4PhysicalVolumeModel* pPVModel =
>> 408 dynamic_cast<G4PhysicalVolumeModel*>(fpModel);
>> 409
>> 410 if (pPVModel) {
>> 411 // If part of the geometry hierarchy, i.e., from a
>> 412 // G4PhysicalVolumeModel, check if a display list already exists for
>> 413 // this solid, re-use it if possible. We could be smarter, and
>> 414 // recognise repeated branches of the geometry hierarchy, for
>> 415 // example. But this algorithm should be secure, I think...
>> 416 const G4VSolid* pSolid = &solid;
>> 417 EAxis axis = kRho;
>> 418 G4VPhysicalVolume* pCurrentPV = pPVModel->GetCurrentPV();
>> 419 if (pCurrentPV -> IsReplicated ()) {
>> 420 G4int nReplicas;
>> 421 G4double width;
>> 422 G4double offset;
>> 423 G4bool consuming;
>> 424 pCurrentPV->GetReplicationData(axis,nReplicas,width,offset,consuming);
>> 425 }
>> 426 // Provided it is not parametrised (because if so, the
>> 427 // solid's parameters might have been changed)...
>> 428 if (!(pCurrentPV -> IsParameterised ()) &&
>> 429 // Provided it is not replicated radially (because if so, the
>> 430 // solid's parameters will have been changed)...
>> 431 !(pCurrentPV -> IsReplicated () && axis == kRho) &&
>> 432 // ...and if the solid has already been rendered...
>> 433 (fSolidMap.find (pSolid) != fSolidMap.end ())) {
>> 434 fDisplayListId = fSolidMap [pSolid];
>> 435 PO po(fDisplayListId,*fpObjectTransformation);
>> 436 if (fpViewer->GetViewParameters().IsPicking()) {
>> 437 G4AttHolder* holder = new G4AttHolder;
>> 438 // Load G4Atts from G4VisAttributes, if any...
>> 439 const G4VisAttributes* va = pPVModel->GetCurrentLV()->GetVisAttributes();
>> 440 if (va) {
>> 441 const std::map<G4String,G4AttDef>* vaDefs = va->GetAttDefs();
>> 442 if (vaDefs) holder->AddAtts(va->CreateAttValues(), vaDefs);
>> 443 }
>> 444 // Load G4Atts from G4PhysicalVolumeModel...
>> 445 const std::map<G4String,G4AttDef>* defs = pPVModel->GetAttDefs();
>> 446 if (defs) holder->AddAtts(pPVModel->CreateCurrentAttValues(), defs);
>> 447 fPickMap[++fPickName] = holder;
>> 448 po.fPickName = fPickName;
>> 449 }
>> 450 fPOList.push_back(po);
>> 451 }
>> 452 else {
>> 453 G4VSceneHandler::RequestPrimitives (solid);
>> 454 fSolidMap [pSolid] = fDisplayListId;
>> 455 }
>> 456 return;
>> 457 }
>> 458
>> 459 // Otherwise invoke base class method...
>> 460 G4VSceneHandler::RequestPrimitives (solid);
>> 461 }
>> 462
>> 463 G4int G4OpenGLStoredSceneHandler::fSceneIdCount = 0;
>> 464
>> 465 #endif
562 466