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b311480e | 1 | // Created on: 2011-08-01 |
2 | // Created by: Sergey ZERCHANINOV | |
973c2be1 | 3 | // Copyright (c) 2011-2014 OPEN CASCADE SAS |
b311480e | 4 | // |
973c2be1 | 5 | // This file is part of Open CASCADE Technology software library. |
b311480e | 6 | // |
d5f74e42 | 7 | // This library is free software; you can redistribute it and/or modify it under |
8 | // the terms of the GNU Lesser General Public License version 2.1 as published | |
973c2be1 | 9 | // by the Free Software Foundation, with special exception defined in the file |
10 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT | |
11 | // distribution for complete text of the license and disclaimer of any warranty. | |
b311480e | 12 | // |
973c2be1 | 13 | // Alternatively, this file may be used under the terms of Open CASCADE |
14 | // commercial license or contractual agreement. | |
b311480e | 15 | |
4269bd1b | 16 | #include <OpenGl_CappingAlgo.hxx> |
17 | #include <OpenGl_Context.hxx> | |
30f0ad28 | 18 | #include <OpenGl_GlCore11.hxx> |
63bcc448 | 19 | #include <OpenGl_GraphicDriver.hxx> |
30f0ad28 | 20 | #include <OpenGl_ShaderManager.hxx> |
21 | #include <OpenGl_ShaderProgram.hxx> | |
2bd4bfac | 22 | #include <OpenGl_StructureShadow.hxx> |
2166f0fa | 23 | #include <OpenGl_telem_util.hxx> |
30f0ad28 | 24 | #include <OpenGl_Vec.hxx> |
25 | #include <OpenGl_View.hxx> | |
26 | #include <OpenGl_Workspace.hxx> | |
2166f0fa | 27 | |
494782f6 | 28 | #include <Graphic3d_SequenceOfHClipPlane.hxx> |
b859a34d | 29 | |
63bcc448 | 30 | |
27eed937 | 31 | //! Auxiliary class for bounding box presentation |
32 | class OpenGl_BndBoxPrs : public OpenGl_Element | |
33 | { | |
34 | ||
35 | public: | |
36 | ||
37 | //! Main constructor | |
b7cd4ba7 | 38 | OpenGl_BndBoxPrs (const Graphic3d_BndBox4f& theBndBox) |
39 | { | |
40 | const float Xm = theBndBox.CornerMin().x(); | |
41 | const float Ym = theBndBox.CornerMin().y(); | |
42 | const float Zm = theBndBox.CornerMin().z(); | |
43 | const float XM = theBndBox.CornerMax().x(); | |
44 | const float YM = theBndBox.CornerMax().y(); | |
45 | const float ZM = theBndBox.CornerMax().z(); | |
46 | ||
27eed937 | 47 | myVerts[0] = OpenGl_Vec3 (Xm, Ym, Zm); |
48 | myVerts[1] = OpenGl_Vec3 (Xm, Ym, ZM); | |
49 | myVerts[2] = OpenGl_Vec3 (Xm, YM, ZM); | |
50 | myVerts[3] = OpenGl_Vec3 (Xm, YM, Zm); | |
51 | myVerts[4] = OpenGl_Vec3 (Xm, Ym, Zm); | |
52 | myVerts[5] = OpenGl_Vec3 (XM, Ym, Zm); | |
53 | myVerts[6] = OpenGl_Vec3 (XM, Ym, ZM); | |
54 | myVerts[7] = OpenGl_Vec3 (XM, YM, ZM); | |
55 | myVerts[8] = OpenGl_Vec3 (XM, YM, Zm); | |
56 | myVerts[9] = OpenGl_Vec3 (XM, Ym, Zm); | |
57 | myVerts[10] = OpenGl_Vec3 (XM, YM, Zm); | |
58 | myVerts[11] = OpenGl_Vec3 (Xm, YM, Zm); | |
59 | myVerts[12] = OpenGl_Vec3 (Xm, YM, ZM); | |
60 | myVerts[13] = OpenGl_Vec3 (XM, YM, ZM); | |
61 | myVerts[14] = OpenGl_Vec3 (XM, Ym, ZM); | |
62 | myVerts[15] = OpenGl_Vec3 (Xm, Ym, ZM); | |
63 | } | |
64 | ||
65 | //! Render presentation | |
66 | virtual void Render (const Handle(OpenGl_Workspace)& theWorkspace) const | |
67 | { | |
ca3c13d1 | 68 | #if !defined(GL_ES_VERSION_2_0) |
27eed937 | 69 | // Apply line aspect |
70 | const OpenGl_AspectLine* anAspectLine = theWorkspace->AspectLine (Standard_True); | |
71 | const Handle(OpenGl_Texture) aPrevTexture = theWorkspace->DisableTexture(); | |
72 | ||
73 | glDisable (GL_LIGHTING); | |
27eed937 | 74 | |
75 | // Use highlight colors | |
ca3c13d1 | 76 | theWorkspace->GetGlContext()->core11->glColor3fv ((theWorkspace->NamedStatus & OPENGL_NS_HIGHLIGHT) ? theWorkspace->HighlightColor->rgb : anAspectLine->Color().rgb); |
27eed937 | 77 | |
78 | glEnableClientState (GL_VERTEX_ARRAY); | |
79 | glVertexPointer (3, GL_FLOAT, 0, (GLfloat* )&myVerts); | |
80 | glDrawArrays (GL_LINE_STRIP, 0, 16); | |
81 | glDisableClientState (GL_VERTEX_ARRAY); | |
82 | ||
83 | // restore aspects | |
84 | if (!aPrevTexture.IsNull()) | |
85 | { | |
86 | theWorkspace->EnableTexture (aPrevTexture); | |
87 | } | |
ca3c13d1 | 88 | #endif |
27eed937 | 89 | } |
90 | ||
91 | //! Release graphical resources | |
10b9c7df | 92 | virtual void Release (OpenGl_Context*) |
27eed937 | 93 | { |
94 | // | |
95 | } | |
96 | ||
97 | protected: | |
98 | ||
99 | //! Protected destructor | |
100 | virtual ~OpenGl_BndBoxPrs() {} | |
101 | ||
102 | private: | |
103 | ||
104 | OpenGl_Vec3 myVerts[16]; //!< vertices array | |
105 | ||
106 | public: | |
107 | ||
108 | DEFINE_STANDARD_ALLOC | |
109 | ||
110 | }; | |
2166f0fa SK |
111 | |
112 | /*----------------------------------------------------------------------*/ | |
113 | ||
4269bd1b | 114 | // ======================================================================= |
115 | // function : OpenGl_Structure | |
116 | // purpose : | |
117 | // ======================================================================= | |
63bcc448 | 118 | OpenGl_Structure::OpenGl_Structure (const Handle(Graphic3d_StructureManager)& theManager) |
119 | : Graphic3d_CStructure (theManager), | |
d4aaad5b | 120 | myAspectLine (NULL), |
121 | myAspectFace (NULL), | |
122 | myAspectMarker (NULL), | |
123 | myAspectText (NULL), | |
124 | myHighlightColor (NULL), | |
125 | myInstancedStructure (NULL), | |
126 | myIsRaytracable (Standard_False), | |
127 | myModificationState (0), | |
128 | myIsCulled (Standard_True), | |
129 | myIsMirrored (Standard_False) | |
2166f0fa | 130 | { |
a1954302 | 131 | // |
2166f0fa SK |
132 | } |
133 | ||
4269bd1b | 134 | // ======================================================================= |
135 | // function : ~OpenGl_Structure | |
136 | // purpose : | |
137 | // ======================================================================= | |
5e27df78 | 138 | OpenGl_Structure::~OpenGl_Structure() |
2166f0fa | 139 | { |
5e27df78 | 140 | Release (Handle(OpenGl_Context)()); |
2166f0fa SK |
141 | } |
142 | ||
4269bd1b | 143 | // ======================================================================= |
63bcc448 | 144 | // function : UpdateAspects |
4269bd1b | 145 | // purpose : |
146 | // ======================================================================= | |
63bcc448 | 147 | void OpenGl_Structure::UpdateAspects() |
2166f0fa | 148 | { |
63bcc448 | 149 | if (ContextLine.IsDef) |
150 | SetAspectLine (ContextLine); | |
151 | ||
152 | if (ContextFillArea.IsDef) | |
153 | SetAspectFace (ContextFillArea); | |
154 | ||
155 | if (ContextMarker.IsDef) | |
156 | SetAspectMarker (ContextMarker); | |
157 | ||
158 | if (ContextText.IsDef) | |
159 | SetAspectText (ContextText); | |
160 | } | |
161 | ||
162 | // ======================================================================= | |
163 | // function : UpdateTransformation | |
164 | // purpose : | |
165 | // ======================================================================= | |
166 | void OpenGl_Structure::UpdateTransformation() | |
167 | { | |
6bd94e0d | 168 | const OpenGl_Mat4& aMat = Graphic3d_CStructure::Transformation; |
7d9e854b | 169 | Standard_ShortReal aDet = |
6bd94e0d | 170 | aMat.GetValue(0, 0) * (aMat.GetValue(1, 1) * aMat.GetValue(2, 2) - aMat.GetValue(2, 1) * aMat.GetValue(1, 2)) - |
171 | aMat.GetValue(0, 1) * (aMat.GetValue(1, 0) * aMat.GetValue(2, 2) - aMat.GetValue(2, 0) * aMat.GetValue(1, 2)) + | |
172 | aMat.GetValue(0, 2) * (aMat.GetValue(1, 0) * aMat.GetValue(2, 1) - aMat.GetValue(2, 0) * aMat.GetValue(1, 1)); | |
7d9e854b | 173 | |
174 | // Determinant of transform matrix less then 0 means that mirror transform applied. | |
175 | myIsMirrored = aDet < 0.0f; | |
176 | ||
d4aaad5b | 177 | if (IsRaytracable()) |
e276548b | 178 | { |
d4aaad5b | 179 | ++myModificationState; |
e276548b | 180 | } |
2166f0fa SK |
181 | } |
182 | ||
4269bd1b | 183 | // ======================================================================= |
184 | // function : SetAspectLine | |
185 | // purpose : | |
186 | // ======================================================================= | |
fd4a6963 | 187 | void OpenGl_Structure::SetAspectLine (const CALL_DEF_CONTEXTLINE &theAspect) |
2166f0fa SK |
188 | { |
189 | if (!myAspectLine) | |
fd4a6963 | 190 | { |
5e27df78 | 191 | myAspectLine = new OpenGl_AspectLine(); |
fd4a6963 | 192 | } |
193 | myAspectLine->SetAspect (theAspect); | |
2166f0fa SK |
194 | } |
195 | ||
4269bd1b | 196 | // ======================================================================= |
197 | // function : SetAspectFace | |
198 | // purpose : | |
199 | // ======================================================================= | |
fd4a6963 | 200 | void OpenGl_Structure::SetAspectFace (const CALL_DEF_CONTEXTFILLAREA& theAspect) |
2166f0fa SK |
201 | { |
202 | if (!myAspectFace) | |
bf75be98 | 203 | { |
5e27df78 | 204 | myAspectFace = new OpenGl_AspectFace(); |
bf75be98 | 205 | } |
fd4a6963 | 206 | myAspectFace->SetAspect (theAspect); |
e276548b | 207 | |
d4aaad5b | 208 | if (IsRaytracable()) |
e276548b | 209 | { |
d4aaad5b | 210 | ++myModificationState; |
e276548b | 211 | } |
2166f0fa SK |
212 | } |
213 | ||
4269bd1b | 214 | // ======================================================================= |
215 | // function : SetAspectMarker | |
216 | // purpose : | |
217 | // ======================================================================= | |
fd4a6963 | 218 | void OpenGl_Structure::SetAspectMarker (const CALL_DEF_CONTEXTMARKER& theAspect) |
2166f0fa SK |
219 | { |
220 | if (!myAspectMarker) | |
a577aaab | 221 | { |
5e27df78 | 222 | myAspectMarker = new OpenGl_AspectMarker(); |
a577aaab | 223 | } |
fd4a6963 | 224 | myAspectMarker->SetAspect (theAspect); |
2166f0fa SK |
225 | } |
226 | ||
4269bd1b | 227 | // ======================================================================= |
228 | // function : SetAspectText | |
229 | // purpose : | |
230 | // ======================================================================= | |
fd4a6963 | 231 | void OpenGl_Structure::SetAspectText (const CALL_DEF_CONTEXTTEXT &theAspect) |
2166f0fa SK |
232 | { |
233 | if (!myAspectText) | |
fd4a6963 | 234 | { |
5e27df78 | 235 | myAspectText = new OpenGl_AspectText(); |
fd4a6963 | 236 | } |
237 | myAspectText->SetAspect (theAspect); | |
2166f0fa SK |
238 | } |
239 | ||
4269bd1b | 240 | // ======================================================================= |
b64d84be | 241 | // function : clearHighlightBox |
4269bd1b | 242 | // purpose : |
243 | // ======================================================================= | |
b64d84be | 244 | void OpenGl_Structure::clearHighlightBox (const Handle(OpenGl_Context)& theGlCtx) |
2166f0fa | 245 | { |
b64d84be | 246 | if (!myHighlightBox.IsNull()) |
5e27df78 | 247 | { |
248 | myHighlightBox->Release (theGlCtx); | |
b64d84be | 249 | myHighlightBox.Nullify(); |
2166f0fa SK |
250 | } |
251 | } | |
252 | ||
63bcc448 | 253 | // ======================================================================= |
254 | // function : HighlightWithColor | |
255 | // purpose : | |
256 | // ======================================================================= | |
257 | void OpenGl_Structure::HighlightWithColor (const Graphic3d_Vec3& theColor, | |
258 | const Standard_Boolean theToCreate) | |
259 | { | |
7d9e854b | 260 | const Handle(OpenGl_Context)& aContext = GlDriver()->GetSharedContext(); |
63bcc448 | 261 | if (theToCreate) |
7d9e854b | 262 | setHighlightColor (aContext, theColor); |
63bcc448 | 263 | else |
7d9e854b | 264 | clearHighlightColor (aContext); |
63bcc448 | 265 | } |
266 | ||
267 | // ======================================================================= | |
268 | // function : HighlightWithBndBox | |
269 | // purpose : | |
270 | // ======================================================================= | |
b64d84be | 271 | void OpenGl_Structure::HighlightWithBndBox (const Handle(Graphic3d_Structure)& theStruct, |
272 | const Standard_Boolean theToCreate) | |
63bcc448 | 273 | { |
7d9e854b | 274 | const Handle(OpenGl_Context)& aContext = GlDriver()->GetSharedContext(); |
b64d84be | 275 | if (!theToCreate) |
276 | { | |
7d9e854b | 277 | clearHighlightBox (aContext); |
b64d84be | 278 | return; |
279 | } | |
280 | ||
281 | if (!myHighlightBox.IsNull()) | |
282 | { | |
7d9e854b | 283 | myHighlightBox->Release (aContext); |
b64d84be | 284 | } |
63bcc448 | 285 | else |
b64d84be | 286 | { |
287 | myHighlightBox = new OpenGl_Group (theStruct); | |
288 | } | |
289 | ||
290 | CALL_DEF_CONTEXTLINE& aContextLine = myHighlightBox->ChangeContextLine(); | |
291 | aContextLine.IsDef = 1; | |
b7cd4ba7 | 292 | aContextLine.Color = HighlightColor; |
b64d84be | 293 | aContextLine.LineType = Aspect_TOL_SOLID; |
294 | aContextLine.Width = 1.0f; | |
295 | myHighlightBox->UpdateAspectLine (Standard_True); | |
296 | ||
b7cd4ba7 | 297 | OpenGl_BndBoxPrs* aBndBoxPrs = new OpenGl_BndBoxPrs (myBndBox); |
b64d84be | 298 | myHighlightBox->AddElement (aBndBoxPrs); |
63bcc448 | 299 | } |
300 | ||
4269bd1b | 301 | // ======================================================================= |
b64d84be | 302 | // function : setHighlightColor |
4269bd1b | 303 | // purpose : |
304 | // ======================================================================= | |
b64d84be | 305 | void OpenGl_Structure::setHighlightColor (const Handle(OpenGl_Context)& theGlCtx, |
63bcc448 | 306 | const Graphic3d_Vec3& theColor) |
2166f0fa | 307 | { |
b64d84be | 308 | clearHighlightBox (theGlCtx); |
5e27df78 | 309 | if (myHighlightColor == NULL) |
310 | { | |
311 | myHighlightColor = new TEL_COLOUR(); | |
312 | } | |
2166f0fa | 313 | |
63bcc448 | 314 | myHighlightColor->rgb[0] = theColor.r(); |
315 | myHighlightColor->rgb[1] = theColor.g(); | |
316 | myHighlightColor->rgb[2] = theColor.b(); | |
2166f0fa SK |
317 | myHighlightColor->rgb[3] = 1.F; |
318 | } | |
319 | ||
4269bd1b | 320 | // ======================================================================= |
b64d84be | 321 | // function : clearHighlightColor |
4269bd1b | 322 | // purpose : |
323 | // ======================================================================= | |
b64d84be | 324 | void OpenGl_Structure::clearHighlightColor (const Handle(OpenGl_Context)& theGlCtx) |
2166f0fa | 325 | { |
b64d84be | 326 | clearHighlightBox(theGlCtx); |
5e27df78 | 327 | delete myHighlightColor; |
328 | myHighlightColor = NULL; | |
2166f0fa SK |
329 | } |
330 | ||
e276548b | 331 | // ======================================================================= |
a1954302 | 332 | // function : OnVisibilityChanged |
e276548b | 333 | // purpose : |
334 | // ======================================================================= | |
a1954302 | 335 | void OpenGl_Structure::OnVisibilityChanged() |
e276548b | 336 | { |
d4aaad5b | 337 | if (IsRaytracable()) |
e276548b | 338 | { |
d4aaad5b | 339 | ++myModificationState; |
e276548b | 340 | } |
e276548b | 341 | } |
342 | ||
e276548b | 343 | // ======================================================================= |
d4aaad5b | 344 | // function : IsRaytracable |
e276548b | 345 | // purpose : |
346 | // ======================================================================= | |
d4aaad5b | 347 | Standard_Boolean OpenGl_Structure::IsRaytracable() const |
e276548b | 348 | { |
d4aaad5b | 349 | if (!myGroups.IsEmpty()) |
e276548b | 350 | { |
d4aaad5b | 351 | return myIsRaytracable; // geometry structure |
e276548b | 352 | } |
d4aaad5b | 353 | else if (myInstancedStructure != NULL) |
e276548b | 354 | { |
d4aaad5b | 355 | return myInstancedStructure->IsRaytracable(); // instance structure |
e276548b | 356 | } |
d5af8626 | 357 | |
d4aaad5b | 358 | return Standard_False; // has no any groups or structures |
d5af8626 | 359 | } |
360 | ||
e276548b | 361 | // ======================================================================= |
d4aaad5b | 362 | // function : UpdateRaytracableState |
e276548b | 363 | // purpose : |
364 | // ======================================================================= | |
d4aaad5b | 365 | void OpenGl_Structure::UpdateStateIfRaytracable (const Standard_Boolean toCheck) const |
e276548b | 366 | { |
d4aaad5b | 367 | myIsRaytracable = !toCheck || OpenGl_Raytrace::IsRaytracedStructure (this); |
e276548b | 368 | |
d4aaad5b | 369 | if (IsRaytracable()) |
e276548b | 370 | { |
d4aaad5b | 371 | ++myModificationState; |
e276548b | 372 | } |
373 | } | |
374 | ||
4269bd1b | 375 | // ======================================================================= |
376 | // function : Connect | |
377 | // purpose : | |
378 | // ======================================================================= | |
63bcc448 | 379 | void OpenGl_Structure::Connect (Graphic3d_CStructure& theStructure) |
2166f0fa | 380 | { |
d4aaad5b | 381 | OpenGl_Structure* aStruct = static_cast<OpenGl_Structure*> (&theStructure); |
382 | ||
383 | Standard_ASSERT_RAISE (myInstancedStructure == NULL || myInstancedStructure == aStruct, | |
384 | "Error! Instanced structure is already defined"); | |
385 | ||
386 | myInstancedStructure = aStruct; | |
e276548b | 387 | |
63bcc448 | 388 | if (aStruct->IsRaytracable()) |
e276548b | 389 | { |
d4aaad5b | 390 | UpdateStateIfRaytracable (Standard_False); |
e276548b | 391 | } |
2166f0fa SK |
392 | } |
393 | ||
4269bd1b | 394 | // ======================================================================= |
395 | // function : Disconnect | |
396 | // purpose : | |
397 | // ======================================================================= | |
63bcc448 | 398 | void OpenGl_Structure::Disconnect (Graphic3d_CStructure& theStructure) |
2166f0fa | 399 | { |
d4aaad5b | 400 | OpenGl_Structure* aStruct = static_cast<OpenGl_Structure*> (&theStructure); |
e276548b | 401 | |
d4aaad5b | 402 | if (myInstancedStructure == aStruct) |
403 | { | |
404 | myInstancedStructure = NULL; | |
e276548b | 405 | |
d4aaad5b | 406 | if (aStruct->IsRaytracable()) |
407 | { | |
408 | UpdateStateIfRaytracable(); | |
2166f0fa | 409 | } |
2166f0fa SK |
410 | } |
411 | } | |
412 | ||
4269bd1b | 413 | // ======================================================================= |
b64d84be | 414 | // function : NewGroup |
4269bd1b | 415 | // purpose : |
416 | // ======================================================================= | |
b64d84be | 417 | Handle(Graphic3d_Group) OpenGl_Structure::NewGroup (const Handle(Graphic3d_Structure)& theStruct) |
2166f0fa | 418 | { |
b64d84be | 419 | Handle(OpenGl_Group) aGroup = new OpenGl_Group (theStruct); |
420 | myGroups.Append (aGroup); | |
421 | return aGroup; | |
2166f0fa SK |
422 | } |
423 | ||
4269bd1b | 424 | // ======================================================================= |
425 | // function : RemoveGroup | |
426 | // purpose : | |
427 | // ======================================================================= | |
b64d84be | 428 | void OpenGl_Structure::RemoveGroup (const Handle(Graphic3d_Group)& theGroup) |
2166f0fa | 429 | { |
b64d84be | 430 | if (theGroup.IsNull()) |
431 | { | |
432 | return; | |
433 | } | |
434 | ||
435 | for (Graphic3d_SequenceOfGroup::Iterator aGroupIter (myGroups); aGroupIter.More(); aGroupIter.Next()) | |
2166f0fa SK |
436 | { |
437 | // Check for the given group | |
b64d84be | 438 | if (aGroupIter.Value() == theGroup) |
2166f0fa | 439 | { |
d4aaad5b | 440 | const Standard_Boolean wasRaytracable = |
441 | static_cast<const OpenGl_Group&> (*theGroup).IsRaytracable(); | |
442 | ||
b64d84be | 443 | theGroup->Clear (Standard_False); |
e276548b | 444 | |
d4aaad5b | 445 | if (wasRaytracable) |
e276548b | 446 | { |
d4aaad5b | 447 | UpdateStateIfRaytracable(); |
e276548b | 448 | } |
e276548b | 449 | |
b64d84be | 450 | myGroups.Remove (aGroupIter); |
2166f0fa SK |
451 | return; |
452 | } | |
2166f0fa SK |
453 | } |
454 | } | |
455 | ||
63bcc448 | 456 | // ======================================================================= |
457 | // function : Clear | |
458 | // purpose : | |
459 | // ======================================================================= | |
460 | void OpenGl_Structure::Clear() | |
461 | { | |
462 | Clear (GlDriver()->GetSharedContext()); | |
463 | } | |
464 | ||
4269bd1b | 465 | // ======================================================================= |
466 | // function : Clear | |
467 | // purpose : | |
468 | // ======================================================================= | |
5e27df78 | 469 | void OpenGl_Structure::Clear (const Handle(OpenGl_Context)& theGlCtx) |
2166f0fa | 470 | { |
e276548b | 471 | Standard_Boolean aRaytracableGroupDeleted (Standard_False); |
e276548b | 472 | |
5e27df78 | 473 | // Release groups |
b64d84be | 474 | for (OpenGl_Structure::GroupIterator aGroupIter (myGroups); aGroupIter.More(); aGroupIter.Next()) |
2166f0fa | 475 | { |
b64d84be | 476 | aRaytracableGroupDeleted |= aGroupIter.Value()->IsRaytracable(); |
5322131b | 477 | |
2166f0fa | 478 | // Delete objects |
b64d84be | 479 | aGroupIter.ChangeValue()->Release (theGlCtx); |
2166f0fa SK |
480 | } |
481 | myGroups.Clear(); | |
e276548b | 482 | |
e276548b | 483 | if (aRaytracableGroupDeleted) |
484 | { | |
d4aaad5b | 485 | myIsRaytracable = Standard_False; |
e276548b | 486 | } |
b7cd4ba7 | 487 | |
488 | Is2dText = Standard_False; | |
489 | IsForHighlight = Standard_False; | |
2166f0fa SK |
490 | } |
491 | ||
0717ddc1 | 492 | // ======================================================================= |
cc6852f3 | 493 | // function : renderGeometry |
0717ddc1 | 494 | // purpose : |
495 | // ======================================================================= | |
cc6852f3 | 496 | void OpenGl_Structure::renderGeometry (const Handle(OpenGl_Workspace)& theWorkspace, |
497 | bool& theHasClosed) const | |
0717ddc1 | 498 | { |
cc6852f3 | 499 | if (myInstancedStructure != NULL) |
0717ddc1 | 500 | { |
cc6852f3 | 501 | myInstancedStructure->renderGeometry (theWorkspace, theHasClosed); |
502 | } | |
503 | ||
504 | for (OpenGl_Structure::GroupIterator aGroupIter (myGroups); aGroupIter.More(); aGroupIter.Next()) | |
505 | { | |
506 | theHasClosed = theHasClosed || aGroupIter.Value()->IsClosed(); | |
7d9e854b | 507 | aGroupIter.Value()->Render (theWorkspace); |
0717ddc1 | 508 | } |
509 | } | |
510 | ||
cc6852f3 | 511 | // ======================================================================= |
512 | // function : renderClosedGeometry | |
513 | // purpose : | |
514 | // ======================================================================= | |
515 | void OpenGl_Structure::renderClosedGeometry (const Handle(OpenGl_Workspace)& theWorkspace) const | |
516 | { | |
517 | if (myInstancedStructure != NULL) | |
518 | { | |
519 | myInstancedStructure->renderClosedGeometry (theWorkspace); | |
520 | } | |
521 | ||
522 | for (OpenGl_Structure::GroupIterator aGroupIter (myGroups); aGroupIter.More(); aGroupIter.Next()) | |
523 | { | |
524 | if (aGroupIter.Value()->IsClosed()) | |
525 | { | |
526 | aGroupIter.Value()->Render (theWorkspace); | |
527 | } | |
528 | } | |
529 | } | |
530 | ||
4269bd1b | 531 | // ======================================================================= |
532 | // function : Render | |
533 | // purpose : | |
534 | // ======================================================================= | |
7d9e854b | 535 | void OpenGl_Structure::Render (const Handle(OpenGl_Workspace) &theWorkspace) const |
2166f0fa SK |
536 | { |
537 | // Process the structure only if visible | |
a1954302 | 538 | if (!visible) |
7d9e854b | 539 | { |
2166f0fa | 540 | return; |
7d9e854b | 541 | } |
2166f0fa | 542 | |
c827ea3a | 543 | const Handle(OpenGl_Context)& aCtx = theWorkspace->GetGlContext(); |
b7cd4ba7 | 544 | |
2166f0fa | 545 | // Render named status |
7d9e854b | 546 | const Standard_Integer aNamedStatus = theWorkspace->NamedStatus; |
a1954302 | 547 | if (highlight) |
548 | { | |
549 | theWorkspace->NamedStatus |= OPENGL_NS_HIGHLIGHT; | |
550 | } | |
2166f0fa | 551 | |
2166f0fa | 552 | // Apply local transformation |
6bd94e0d | 553 | aCtx->ModelWorldState.Push(); |
554 | aCtx->ModelWorldState.SetCurrent (Transformation); | |
555 | ||
556 | // detect scale transform | |
557 | const Standard_Boolean anOldGlNormalize = aCtx->IsGlNormalizeEnabled(); | |
558 | const Standard_ShortReal aScaleX = Transformation.GetRow (0).xyz().SquareModulus(); | |
559 | if (Abs (aScaleX - 1.f) > Precision::Confusion()) | |
560 | { | |
561 | aCtx->SetGlNormalizeEnabled (Standard_True); | |
2166f0fa | 562 | } |
6bd94e0d | 563 | |
825aa485 | 564 | if (TransformPersistence.Flags) |
565 | { | |
566 | OpenGl_Mat4 aProjection = aCtx->ProjectionState.Current(); | |
567 | OpenGl_Mat4 aWorldView = aCtx->WorldViewState.Current(); | |
568 | TransformPersistence.Apply (aProjection, aWorldView, theWorkspace->Width(), theWorkspace->Height()); | |
2166f0fa | 569 | |
825aa485 | 570 | aCtx->ProjectionState.Push(); |
571 | aCtx->WorldViewState.Push(); | |
572 | aCtx->ProjectionState.SetCurrent (aProjection); | |
573 | aCtx->WorldViewState.SetCurrent (aWorldView); | |
574 | aCtx->ApplyProjectionMatrix(); | |
575 | } | |
2166f0fa | 576 | |
d437b80d | 577 | // Take into account transform persistence |
578 | aCtx->ApplyModelViewMatrix(); | |
c827ea3a | 579 | |
2166f0fa | 580 | // Apply aspects |
7d9e854b | 581 | const OpenGl_AspectLine *anAspectLine = theWorkspace->AspectLine (Standard_False); |
582 | const OpenGl_AspectFace *anAspectFace = theWorkspace->AspectFace (Standard_False); | |
583 | const OpenGl_AspectMarker *anAspectMarker = theWorkspace->AspectMarker (Standard_False); | |
584 | const OpenGl_AspectText *anAspectText = theWorkspace->AspectText (Standard_False); | |
2166f0fa | 585 | if (myAspectLine) |
7d9e854b | 586 | { |
587 | theWorkspace->SetAspectLine (myAspectLine); | |
588 | } | |
2166f0fa | 589 | if (myAspectFace) |
7d9e854b | 590 | { |
591 | theWorkspace->SetAspectFace (myAspectFace); | |
592 | } | |
2166f0fa | 593 | if (myAspectMarker) |
7d9e854b | 594 | { |
595 | theWorkspace->SetAspectMarker (myAspectMarker); | |
596 | } | |
2166f0fa | 597 | if (myAspectText) |
7d9e854b | 598 | { |
599 | theWorkspace->SetAspectText (myAspectText); | |
600 | } | |
601 | ||
602 | // Apply correction for mirror transform | |
603 | if (myIsMirrored) | |
604 | { | |
c827ea3a | 605 | aCtx->core11fwd->glFrontFace (GL_CW); |
7d9e854b | 606 | } |
2166f0fa | 607 | |
2166f0fa | 608 | // Apply highlight color |
7d9e854b | 609 | const TEL_COLOUR *aHighlightColor = theWorkspace->HighlightColor; |
2166f0fa | 610 | if (myHighlightColor) |
7d9e854b | 611 | theWorkspace->HighlightColor = myHighlightColor; |
2166f0fa | 612 | |
4269bd1b | 613 | // Set up plane equations for non-structure transformed global model-view matrix |
b859a34d | 614 | // List of planes to be applied to context state |
494782f6 | 615 | NCollection_Handle<Graphic3d_SequenceOfHClipPlane> aUserPlanes; |
b859a34d | 616 | |
617 | // Collect clipping planes of structure scope | |
618 | if (!myClipPlanes.IsEmpty()) | |
4269bd1b | 619 | { |
7d9e854b | 620 | Graphic3d_SequenceOfHClipPlane::Iterator aClippingIter (myClipPlanes); |
621 | for (; aClippingIter.More(); aClippingIter.Next()) | |
b859a34d | 622 | { |
7d9e854b | 623 | const Handle(Graphic3d_ClipPlane)& aClipPlane = aClippingIter.Value(); |
b859a34d | 624 | if (!aClipPlane->IsOn()) |
625 | { | |
626 | continue; | |
627 | } | |
628 | ||
629 | if (aUserPlanes.IsNull()) | |
630 | { | |
51b10cd4 | 631 | aUserPlanes = new Graphic3d_SequenceOfHClipPlane(); |
b859a34d | 632 | } |
633 | ||
51b10cd4 | 634 | aUserPlanes->Append (aClipPlane); |
b859a34d | 635 | } |
4269bd1b | 636 | } |
637 | ||
b859a34d | 638 | if (!aUserPlanes.IsNull() && !aUserPlanes->IsEmpty()) |
4269bd1b | 639 | { |
b859a34d | 640 | // add planes at loaded view matrix state |
79f4f036 | 641 | aCtx->ChangeClipping().AddWorld (aCtx, *aUserPlanes); |
30f0ad28 | 642 | |
643 | // Set OCCT state uniform variables | |
c827ea3a | 644 | if (!aCtx->ShaderManager()->IsEmpty()) |
30f0ad28 | 645 | { |
c827ea3a | 646 | aCtx->ShaderManager()->UpdateClippingState(); |
30f0ad28 | 647 | } |
4269bd1b | 648 | } |
649 | ||
2166f0fa | 650 | // Render groups |
cc6852f3 | 651 | bool hasClosedPrims = false; |
652 | renderGeometry (theWorkspace, hasClosedPrims); | |
2166f0fa | 653 | |
7d9e854b | 654 | // Reset correction for mirror transform |
655 | if (myIsMirrored) | |
c827ea3a | 656 | { |
657 | aCtx->core11fwd->glFrontFace (GL_CCW); | |
658 | } | |
7d9e854b | 659 | |
b859a34d | 660 | // Render capping for structure groups |
cc6852f3 | 661 | if (hasClosedPrims |
662 | && !aCtx->Clipping().Planes().IsEmpty()) | |
b859a34d | 663 | { |
cc6852f3 | 664 | OpenGl_CappingAlgo::RenderCapping (theWorkspace, *this); |
b859a34d | 665 | } |
4269bd1b | 666 | |
b859a34d | 667 | // Revert structure clippings |
668 | if (!aUserPlanes.IsNull() && !aUserPlanes->IsEmpty()) | |
4269bd1b | 669 | { |
79f4f036 | 670 | aCtx->ChangeClipping().Remove (aCtx, *aUserPlanes); |
30f0ad28 | 671 | |
672 | // Set OCCT state uniform variables | |
c827ea3a | 673 | if (!aCtx->ShaderManager()->IsEmpty()) |
30f0ad28 | 674 | { |
c827ea3a | 675 | aCtx->ShaderManager()->RevertClippingState(); |
30f0ad28 | 676 | } |
4269bd1b | 677 | } |
678 | ||
825aa485 | 679 | // Restore local transformation |
6bd94e0d | 680 | aCtx->ModelWorldState.Pop(); |
681 | aCtx->SetGlNormalizeEnabled (anOldGlNormalize); | |
825aa485 | 682 | if (TransformPersistence.Flags) |
683 | { | |
684 | aCtx->ProjectionState.Pop(); | |
685 | aCtx->WorldViewState.Pop(); | |
686 | aCtx->ApplyProjectionMatrix(); | |
687 | } | |
c827ea3a | 688 | |
2166f0fa | 689 | // Restore highlight color |
7d9e854b | 690 | theWorkspace->HighlightColor = aHighlightColor; |
2166f0fa SK |
691 | |
692 | // Restore aspects | |
7d9e854b | 693 | theWorkspace->SetAspectLine (anAspectLine); |
694 | theWorkspace->SetAspectFace (anAspectFace); | |
695 | theWorkspace->SetAspectMarker (anAspectMarker); | |
696 | theWorkspace->SetAspectText (anAspectText); | |
2166f0fa | 697 | |
b7cd4ba7 | 698 | // Apply highlight box |
699 | if (!myHighlightBox.IsNull()) | |
700 | { | |
7d9e854b | 701 | myHighlightBox->Render (theWorkspace); |
b7cd4ba7 | 702 | } |
703 | ||
2166f0fa | 704 | // Restore named status |
7d9e854b | 705 | theWorkspace->NamedStatus = aNamedStatus; |
2166f0fa SK |
706 | } |
707 | ||
5e27df78 | 708 | // ======================================================================= |
709 | // function : Release | |
710 | // purpose : | |
711 | // ======================================================================= | |
712 | void OpenGl_Structure::Release (const Handle(OpenGl_Context)& theGlCtx) | |
713 | { | |
714 | // Release groups | |
715 | Clear (theGlCtx); | |
10b9c7df | 716 | OpenGl_Element::Destroy (theGlCtx.operator->(), myAspectLine); |
717 | OpenGl_Element::Destroy (theGlCtx.operator->(), myAspectFace); | |
718 | OpenGl_Element::Destroy (theGlCtx.operator->(), myAspectMarker); | |
719 | OpenGl_Element::Destroy (theGlCtx.operator->(), myAspectText); | |
b64d84be | 720 | clearHighlightColor (theGlCtx); |
5e27df78 | 721 | } |
722 | ||
dd8a4ce9 | 723 | // ======================================================================= |
724 | // function : ReleaseGlResources | |
725 | // purpose : | |
726 | // ======================================================================= | |
727 | void OpenGl_Structure::ReleaseGlResources (const Handle(OpenGl_Context)& theGlCtx) | |
728 | { | |
b64d84be | 729 | for (OpenGl_Structure::GroupIterator aGroupIter (myGroups); aGroupIter.More(); aGroupIter.Next()) |
dd8a4ce9 | 730 | { |
b64d84be | 731 | aGroupIter.ChangeValue()->Release (theGlCtx); |
dd8a4ce9 | 732 | } |
733 | if (myAspectLine != NULL) | |
734 | { | |
10b9c7df | 735 | myAspectLine->Release (theGlCtx.operator->()); |
dd8a4ce9 | 736 | } |
737 | if (myAspectFace != NULL) | |
738 | { | |
10b9c7df | 739 | myAspectFace->Release (theGlCtx.operator->()); |
dd8a4ce9 | 740 | } |
741 | if (myAspectMarker != NULL) | |
742 | { | |
10b9c7df | 743 | myAspectMarker->Release (theGlCtx.operator->()); |
dd8a4ce9 | 744 | } |
745 | if (myAspectText != NULL) | |
746 | { | |
10b9c7df | 747 | myAspectText->Release (theGlCtx.operator->()); |
dd8a4ce9 | 748 | } |
b64d84be | 749 | if (!myHighlightBox.IsNull()) |
dd8a4ce9 | 750 | { |
10b9c7df | 751 | myHighlightBox->Release (theGlCtx.operator->()); |
dd8a4ce9 | 752 | } |
753 | } | |
754 | ||
679ecdee | 755 | //======================================================================= |
756 | //function : ShadowLink | |
757 | //purpose : | |
758 | //======================================================================= | |
759 | Handle(Graphic3d_CStructure) OpenGl_Structure::ShadowLink (const Handle(Graphic3d_StructureManager)& theManager) const | |
760 | { | |
761 | return new OpenGl_StructureShadow (theManager, this); | |
762 | } |