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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. | |
2166f0fa | 15 | |
e276548b | 16 | #include <OpenGl_Group.hxx> |
b64d84be | 17 | |
18 | #include <OpenGl_GraphicDriver.hxx> | |
19 | #include <OpenGl_Flipper.hxx> | |
2166f0fa | 20 | #include <OpenGl_PrimitiveArray.hxx> |
b64d84be | 21 | #include <OpenGl_StencilTest.hxx> |
e276548b | 22 | #include <OpenGl_Structure.hxx> |
b64d84be | 23 | #include <OpenGl_Text.hxx> |
bf75be98 | 24 | #include <OpenGl_Workspace.hxx> |
2166f0fa | 25 | |
b64d84be | 26 | #include <Graphic3d_ArrayOfPrimitives.hxx> |
27 | #include <Graphic3d_CUserDraw.hxx> | |
28 | #include <Graphic3d_GroupDefinitionError.hxx> | |
29 | ||
30 | IMPLEMENT_STANDARD_HANDLE (OpenGl_Group, Graphic3d_Group) | |
31 | IMPLEMENT_STANDARD_RTTIEXT(OpenGl_Group, Graphic3d_Group) | |
32 | ||
4269bd1b | 33 | // ======================================================================= |
34 | // function : OpenGl_Group | |
35 | // purpose : | |
36 | // ======================================================================= | |
b64d84be | 37 | OpenGl_Group::OpenGl_Group (const Handle(Graphic3d_Structure)& theStruct) |
38 | : Graphic3d_Group (theStruct), | |
39 | myAspectLine(NULL), | |
e276548b | 40 | myAspectFace(NULL), |
41 | myAspectMarker(NULL), | |
42 | myAspectText(NULL), | |
43 | myFirst(NULL), | |
b64d84be | 44 | myLast(NULL), |
45 | myIsRaytracable (Standard_False), | |
46 | myModificationState (0) | |
2166f0fa | 47 | { |
b64d84be | 48 | Handle(OpenGl_Structure) aStruct = Handle(OpenGl_Structure)::DownCast (myStructure->CStructure()); |
49 | if (aStruct == NULL) | |
50 | { | |
51 | Graphic3d_GroupDefinitionError::Raise ("OpenGl_Group should be created by OpenGl_Structure!"); | |
52 | } | |
2166f0fa SK |
53 | } |
54 | ||
4269bd1b | 55 | // ======================================================================= |
56 | // function : ~OpenGl_Group | |
57 | // purpose : | |
58 | // ======================================================================= | |
2166f0fa SK |
59 | OpenGl_Group::~OpenGl_Group() |
60 | { | |
5e27df78 | 61 | Release (Handle(OpenGl_Context)()); |
2166f0fa SK |
62 | } |
63 | ||
4269bd1b | 64 | // ======================================================================= |
b64d84be | 65 | // function : UpdateAspectLine |
4269bd1b | 66 | // purpose : |
67 | // ======================================================================= | |
b64d84be | 68 | void OpenGl_Group::UpdateAspectLine (const Standard_Boolean theIsGlobal) |
2166f0fa | 69 | { |
b64d84be | 70 | if (!ContextLine.IsDef) |
71 | { | |
72 | return; | |
73 | } | |
74 | ||
2166f0fa SK |
75 | if (theIsGlobal || myFirst == NULL) |
76 | { | |
77 | if (myAspectLine == NULL) | |
fd4a6963 | 78 | { |
2166f0fa | 79 | myAspectLine = new OpenGl_AspectLine(); |
fd4a6963 | 80 | } |
b64d84be | 81 | myAspectLine->SetAspect (ContextLine); |
2166f0fa SK |
82 | } |
83 | else | |
84 | { | |
85 | OpenGl_AspectLine* anAspectLine = new OpenGl_AspectLine(); | |
b64d84be | 86 | anAspectLine->SetAspect (ContextLine); |
5322131b | 87 | AddElement (anAspectLine); |
2166f0fa SK |
88 | } |
89 | } | |
90 | ||
4269bd1b | 91 | // ======================================================================= |
b64d84be | 92 | // function : UpdateAspectFace |
4269bd1b | 93 | // purpose : |
94 | // ======================================================================= | |
b64d84be | 95 | void OpenGl_Group::UpdateAspectFace (const Standard_Boolean theIsGlobal) |
2166f0fa | 96 | { |
b64d84be | 97 | if (!ContextFillArea.IsDef) |
98 | { | |
99 | return; | |
100 | } | |
101 | ||
2166f0fa SK |
102 | if (theIsGlobal || myFirst == NULL) |
103 | { | |
104 | if (myAspectFace == NULL) | |
bf75be98 | 105 | { |
2166f0fa | 106 | myAspectFace = new OpenGl_AspectFace(); |
bf75be98 | 107 | } |
b64d84be | 108 | myAspectFace->SetAspect (ContextFillArea); |
2166f0fa SK |
109 | } |
110 | else | |
111 | { | |
112 | OpenGl_AspectFace* anAspectFace = new OpenGl_AspectFace(); | |
b64d84be | 113 | anAspectFace->SetAspect (ContextFillArea); |
5322131b | 114 | AddElement (anAspectFace); |
2166f0fa | 115 | } |
e276548b | 116 | |
e276548b | 117 | if (myIsRaytracable) |
118 | { | |
b64d84be | 119 | ++myModificationState; |
120 | OpenGl_Structure* aStruct = GlStruct(); | |
121 | if (aStruct != NULL) | |
e276548b | 122 | { |
b64d84be | 123 | aStruct->UpdateStateWithAncestorStructures(); |
e276548b | 124 | } |
125 | } | |
2166f0fa SK |
126 | } |
127 | ||
4269bd1b | 128 | // ======================================================================= |
b64d84be | 129 | // function : UpdateAspectMarker |
4269bd1b | 130 | // purpose : |
131 | // ======================================================================= | |
b64d84be | 132 | void OpenGl_Group::UpdateAspectMarker (const Standard_Boolean theIsGlobal) |
2166f0fa | 133 | { |
b64d84be | 134 | if (!ContextMarker.IsDef) |
135 | { | |
136 | return; | |
137 | } | |
138 | ||
2166f0fa SK |
139 | if (theIsGlobal || myFirst == NULL) |
140 | { | |
141 | if (myAspectMarker == NULL) | |
a577aaab | 142 | { |
2166f0fa | 143 | myAspectMarker = new OpenGl_AspectMarker(); |
a577aaab | 144 | } |
b64d84be | 145 | myAspectMarker->SetAspect (ContextMarker); |
2166f0fa SK |
146 | } |
147 | else | |
148 | { | |
149 | OpenGl_AspectMarker* anAspectMarker = new OpenGl_AspectMarker(); | |
b64d84be | 150 | anAspectMarker->SetAspect (ContextMarker); |
5322131b | 151 | AddElement (anAspectMarker); |
2166f0fa SK |
152 | } |
153 | } | |
154 | ||
4269bd1b | 155 | // ======================================================================= |
b64d84be | 156 | // function : UpdateAspectText |
4269bd1b | 157 | // purpose : |
158 | // ======================================================================= | |
b64d84be | 159 | void OpenGl_Group::UpdateAspectText (const Standard_Boolean theIsGlobal) |
2166f0fa | 160 | { |
b64d84be | 161 | if (!ContextText.IsDef) |
162 | { | |
163 | return; | |
164 | } | |
165 | ||
2166f0fa SK |
166 | if (theIsGlobal || myFirst == NULL) |
167 | { | |
168 | if (myAspectText == NULL) | |
fd4a6963 | 169 | { |
2166f0fa | 170 | myAspectText = new OpenGl_AspectText(); |
fd4a6963 | 171 | } |
b64d84be | 172 | myAspectText->SetAspect (ContextText); |
2166f0fa SK |
173 | } |
174 | else | |
175 | { | |
176 | OpenGl_AspectText* anAspectText = new OpenGl_AspectText(); | |
b64d84be | 177 | anAspectText->SetAspect (ContextText); |
5322131b | 178 | AddElement (anAspectText); |
2166f0fa SK |
179 | } |
180 | } | |
181 | ||
b64d84be | 182 | // ======================================================================= |
183 | // function : AddPrimitiveArray | |
184 | // purpose : | |
185 | // ======================================================================= | |
871fa103 | 186 | void OpenGl_Group::AddPrimitiveArray (const Graphic3d_TypeOfPrimitiveArray theType, |
187 | const Handle(Graphic3d_IndexBuffer)& theIndices, | |
188 | const Handle(Graphic3d_Buffer)& theAttribs, | |
189 | const Handle(Graphic3d_BoundBuffer)& theBounds, | |
190 | const Standard_Boolean theToEvalMinMax) | |
b64d84be | 191 | { |
192 | if (IsDeleted() | |
871fa103 | 193 | || theAttribs.IsNull()) |
b64d84be | 194 | { |
195 | return; | |
196 | } | |
197 | ||
8d3f219f | 198 | OpenGl_Structure* aStruct = GlStruct(); |
199 | const OpenGl_GraphicDriver* aDriver = aStruct->GlDriver(); | |
200 | ||
201 | OpenGl_PrimitiveArray* anArray = new OpenGl_PrimitiveArray (aDriver, theType, theIndices, theAttribs, theBounds); | |
b64d84be | 202 | AddElement (anArray); |
203 | ||
871fa103 | 204 | Graphic3d_Group::AddPrimitiveArray (theType, theIndices, theAttribs, theBounds, theToEvalMinMax); |
b64d84be | 205 | } |
206 | ||
207 | // ======================================================================= | |
208 | // function : Text | |
209 | // purpose : | |
210 | // ======================================================================= | |
211 | void OpenGl_Group::Text (const Standard_CString theTextUtf, | |
212 | const Graphic3d_Vertex& thePoint, | |
213 | const Standard_Real theHeight, | |
214 | const Quantity_PlaneAngle theAngle, | |
215 | const Graphic3d_TextPath theTp, | |
216 | const Graphic3d_HorizontalTextAlignment theHta, | |
217 | const Graphic3d_VerticalTextAlignment theVta, | |
218 | const Standard_Boolean theToEvalMinMax) | |
219 | { | |
220 | if (IsDeleted()) | |
221 | { | |
222 | return; | |
223 | } | |
224 | ||
225 | OpenGl_TextParam aParams; | |
226 | OpenGl_Structure* aStruct = GlStruct(); | |
227 | aParams.Height = int ((theHeight < 2.0) ? aStruct->GlDriver()->DefaultTextHeight() : theHeight); | |
228 | aParams.HAlign = theHta; | |
229 | aParams.VAlign = theVta; | |
230 | const OpenGl_Vec3 aPoint (thePoint.X(), thePoint.Y(), thePoint.Z()); | |
231 | OpenGl_Text* aText = new OpenGl_Text (theTextUtf, aPoint, aParams); | |
232 | AddElement (aText); | |
233 | Graphic3d_Group::Text (theTextUtf, thePoint, theHeight, theAngle, | |
234 | theTp, theHta, theVta, theToEvalMinMax); | |
235 | } | |
236 | ||
237 | // ======================================================================= | |
238 | // function : UserDraw | |
239 | // purpose : | |
240 | // ======================================================================= | |
241 | void OpenGl_Group::UserDraw (const Standard_Address theObject, | |
242 | const Standard_Boolean theToEvalMinMax, | |
243 | const Standard_Boolean theContainsFacet) | |
244 | { | |
245 | if (IsDeleted()) | |
246 | { | |
247 | return; | |
248 | } | |
249 | ||
250 | OpenGl_Structure* aStruct = GlStruct(); | |
251 | if (aStruct->GlDriver()->UserDrawCallback() == NULL) | |
252 | { | |
253 | return; | |
254 | } | |
255 | ||
256 | Graphic3d_CUserDraw aUserDraw; | |
257 | aUserDraw.Data = theObject; | |
258 | aUserDraw.Bounds = theToEvalMinMax ? &myBounds : NULL; | |
259 | OpenGl_Element* aUserDrawElem = aStruct->GlDriver()->UserDrawCallback()(&aUserDraw); | |
260 | if (aUserDrawElem != NULL) | |
261 | { | |
262 | AddElement (aUserDrawElem); | |
263 | } | |
264 | Graphic3d_Group::UserDraw (theObject, theToEvalMinMax, theContainsFacet); | |
265 | } | |
266 | ||
267 | // ======================================================================= | |
268 | // function : SetFlippingOptions | |
269 | // purpose : | |
270 | // ======================================================================= | |
271 | void OpenGl_Group::SetFlippingOptions (const Standard_Boolean theIsEnabled, | |
272 | const gp_Ax2& theRefPlane) | |
273 | { | |
274 | OpenGl_Flipper* aFlipper = new OpenGl_Flipper (theRefPlane); | |
275 | aFlipper->SetOptions (theIsEnabled); | |
276 | AddElement (aFlipper); | |
277 | } | |
278 | ||
279 | // ======================================================================= | |
280 | // function : SetStencilTestOptions | |
281 | // purpose : | |
282 | // ======================================================================= | |
283 | void OpenGl_Group::SetStencilTestOptions (const Standard_Boolean theIsEnabled) | |
284 | { | |
285 | OpenGl_StencilTest* aStencilTest = new OpenGl_StencilTest(); | |
286 | aStencilTest->SetOptions (theIsEnabled); | |
287 | AddElement (aStencilTest); | |
288 | } | |
289 | ||
4269bd1b | 290 | // ======================================================================= |
291 | // function : AddElement | |
292 | // purpose : | |
293 | // ======================================================================= | |
5322131b | 294 | void OpenGl_Group::AddElement (OpenGl_Element* theElem) |
2166f0fa | 295 | { |
e276548b | 296 | OpenGl_ElementNode *aNode = new OpenGl_ElementNode(); |
297 | ||
e276548b | 298 | aNode->elem = theElem; |
299 | aNode->next = NULL; | |
300 | (myLast? myLast->next : myFirst) = aNode; | |
301 | myLast = aNode; | |
302 | ||
e276548b | 303 | if (OpenGl_Raytrace::IsRaytracedElement (aNode)) |
304 | { | |
305 | myModificationState++; | |
306 | myIsRaytracable = Standard_True; | |
2166f0fa | 307 | |
b64d84be | 308 | OpenGl_Structure* aStruct = GlStruct(); |
309 | if (aStruct != NULL) | |
e276548b | 310 | { |
b64d84be | 311 | aStruct->UpdateStateWithAncestorStructures(); |
312 | aStruct->SetRaytracableWithAncestorStructures(); | |
e276548b | 313 | } |
314 | } | |
2166f0fa SK |
315 | } |
316 | ||
4269bd1b | 317 | // ======================================================================= |
318 | // function : Render | |
319 | // purpose : | |
320 | // ======================================================================= | |
bf75be98 | 321 | void OpenGl_Group::Render (const Handle(OpenGl_Workspace)& theWorkspace) const |
2166f0fa SK |
322 | { |
323 | // Is rendering in ADD or IMMEDIATE mode? | |
4269bd1b | 324 | const Handle(OpenGl_RenderFilter)& aFilter = theWorkspace->GetRenderFilter(); |
2166f0fa SK |
325 | |
326 | // Setup aspects | |
bf75be98 | 327 | const OpenGl_AspectLine* aBackAspectLine = theWorkspace->AspectLine (Standard_False); |
328 | const OpenGl_AspectFace* aBackAspectFace = theWorkspace->AspectFace (Standard_False); | |
329 | const OpenGl_AspectMarker* aBackAspectMarker = theWorkspace->AspectMarker (Standard_False); | |
330 | const OpenGl_AspectText* aBackAspectText = theWorkspace->AspectText (Standard_False); | |
4269bd1b | 331 | Standard_Boolean isLineSet = myAspectLine && myAspectLine->RenderFiltered (theWorkspace, aFilter); |
332 | Standard_Boolean isFaceSet = myAspectFace && myAspectFace->RenderFiltered (theWorkspace, aFilter); | |
333 | Standard_Boolean isMarkerSet = myAspectMarker && myAspectMarker->RenderFiltered (theWorkspace, aFilter); | |
334 | Standard_Boolean isTextSet = myAspectText && myAspectText->RenderFiltered (theWorkspace, aFilter); | |
2166f0fa SK |
335 | |
336 | // Render group elements | |
bf75be98 | 337 | for (OpenGl_ElementNode* aNodeIter = myFirst; aNodeIter != NULL; aNodeIter = aNodeIter->next) |
2166f0fa | 338 | { |
5322131b | 339 | aNodeIter->elem->RenderFiltered (theWorkspace, aFilter); |
2166f0fa SK |
340 | } |
341 | ||
342 | // Restore aspects | |
4269bd1b | 343 | if (isLineSet) |
344 | theWorkspace->SetAspectLine (aBackAspectLine); | |
345 | if (isFaceSet) | |
346 | theWorkspace->SetAspectFace (aBackAspectFace); | |
347 | if (isMarkerSet) | |
348 | theWorkspace->SetAspectMarker (aBackAspectMarker); | |
349 | if (isTextSet) | |
350 | theWorkspace->SetAspectText (aBackAspectText); | |
2166f0fa SK |
351 | } |
352 | ||
b64d84be | 353 | // ======================================================================= |
354 | // function : Clear | |
355 | // purpose : | |
356 | // ======================================================================= | |
357 | void OpenGl_Group::Clear (const Standard_Boolean theToUpdateStructureMgr) | |
358 | { | |
359 | if (IsDeleted()) | |
360 | { | |
361 | return; | |
362 | } | |
363 | ||
364 | OpenGl_Structure* aStruct = GlStruct(); | |
365 | const Handle(OpenGl_Context)& aCtx = aStruct->GlDriver()->GetSharedContext(); | |
366 | ||
367 | Release (aCtx); | |
368 | Graphic3d_Group::Clear (theToUpdateStructureMgr); | |
369 | } | |
370 | ||
4269bd1b | 371 | // ======================================================================= |
372 | // function : Release | |
373 | // purpose : | |
374 | // ======================================================================= | |
5e27df78 | 375 | void OpenGl_Group::Release (const Handle(OpenGl_Context)& theGlCtx) |
376 | { | |
377 | // Delete elements | |
378 | while (myFirst != NULL) | |
379 | { | |
380 | OpenGl_ElementNode* aNext = myFirst->next; | |
10b9c7df | 381 | OpenGl_Element::Destroy (theGlCtx.operator->(), myFirst->elem); |
5e27df78 | 382 | delete myFirst; |
383 | myFirst = aNext; | |
384 | } | |
385 | myLast = NULL; | |
386 | ||
10b9c7df | 387 | OpenGl_Element::Destroy (theGlCtx.operator->(), myAspectLine); |
388 | OpenGl_Element::Destroy (theGlCtx.operator->(), myAspectFace); | |
389 | OpenGl_Element::Destroy (theGlCtx.operator->(), myAspectMarker); | |
390 | OpenGl_Element::Destroy (theGlCtx.operator->(), myAspectText); | |
5e27df78 | 391 | } |