Developer Documentation

VolumeMeshNodeT_impl.hh
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40 \*===========================================================================*/
41
42
43 #define VOLUMEMESHNODET_CC
44
45 //== INCLUDES =================================================================
46
47 #include "VolumeMeshNode.hh"
48
49 #include <ACG/GL/gl.hh>
50 #include <ACG/Utils/VSToolsT.hh>
51 #include <vector>
52 #include <type_traits>
53
54 #include <ACG/GL/RenderObject.hh>
55 #include <ACG/GL/VertexDeclaration.hh>
56 #include <ACG/GL/IRenderer.hh>
57 #include <ACG/ShaderUtils/GLSLShader.hh>
58 #include <ACG/GL/ShaderCache.hh>
59 #include <ACG/Geometry/Types/PlaneType.hh>
60
61 #include <OpenVolumeMesh/Mesh/HexahedralMesh.hh>
62
63 typedef OpenVolumeMesh::HexahedralMeshTopologyKernel HexahedralMeshTopologyKernel;
64
65
66 //== NAMESPACES ===============================================================
67
68 namespace ACG {
69 namespace SceneGraph {
70
71 //== IMPLEMENTATION ==========================================================
72
73
74 template<class VolumeMeshT>
75 VolumeMeshNodeT<VolumeMeshT>::VolumeMeshNodeT(const VolumeMesh& _mesh,
76 OpenVolumeMesh::StatusAttrib& _statusAttrib,
77 OpenVolumeMesh::ColorAttrib<Vec4f>& _colorAttrib,
78 OpenVolumeMesh::NormalAttrib<VolumeMesh>& _normalAttrib,
79 OpenVolumeMesh::TexCoordAttrib<Vec2f>& _texcoordAttrib,
80 const MaterialNode* _matNode, BaseNode* _parent,
81 std::string _name) :
82 BaseNode(_parent, _name),
83 mesh_(_mesh),
84 scale_(1.0),
85 boundary_only_(false),
86 translucency_factor_(0.1f),
87 selection_color_(ACG::Vec4f(1.0f, 0.0f, 0.0f, 1.0f)),
88 statusAttrib_(_statusAttrib),
89 colorAttrib_(_colorAttrib),
90 normalAttrib_(_normalAttrib),
91 texcoordAttrib_(_texcoordAttrib),
92 materialNode_(_matNode),
93
94 cellsBufferManager_ (_mesh, _statusAttrib, _colorAttrib, _normalAttrib, _texcoordAttrib),
95 facesBufferManager_ (_mesh, _statusAttrib, _colorAttrib, _normalAttrib, _texcoordAttrib),
96 edgesBufferManager_ (_mesh, _statusAttrib, _colorAttrib, _normalAttrib, _texcoordAttrib),
97 verticesBufferManager_(_mesh, _statusAttrib, _colorAttrib, _normalAttrib, _texcoordAttrib),
98
99 cellSelectionBufferManager_ (_mesh, _statusAttrib, _colorAttrib, _normalAttrib, _texcoordAttrib),
100 faceSelectionBufferManager_ (_mesh, _statusAttrib, _colorAttrib, _normalAttrib, _texcoordAttrib),
101 edgeSelectionBufferManager_ (_mesh, _statusAttrib, _colorAttrib, _normalAttrib, _texcoordAttrib),
102 vertexSelectionBufferManager_(_mesh, _statusAttrib, _colorAttrib, _normalAttrib, _texcoordAttrib),
103
104 cellPickBufferManager_ (_mesh, _statusAttrib, _colorAttrib, _normalAttrib, _texcoordAttrib),
105 facePickBufferManager_ (_mesh, _statusAttrib, _colorAttrib, _normalAttrib, _texcoordAttrib),
106 edgePickBufferManager_ (_mesh, _statusAttrib, _colorAttrib, _normalAttrib, _texcoordAttrib),
107 vertexPickBufferManager_(_mesh, _statusAttrib, _colorAttrib, _normalAttrib, _texcoordAttrib),
108
109 drawModes_(),
110 lastDrawMode_ (DrawModes::NONE),
111 lastCellDrawMode_ (DrawModes::NONE),
112 lastFaceDrawMode_ (DrawModes::NONE),
113 lastEdgeDrawMode_ (DrawModes::NONE),
114 lastVertexDrawMode_(DrawModes::NONE),
115 lastPickTarget_(PICK_ANYTHING),
116 face_normals_calculated_(false),
117 vertex_normals_calculated_(false)
118 {
119 vertexSelectionBufferManager_.setSelectionOnly(true);
120 edgeSelectionBufferManager_.setSelectionOnly(true);
121 faceSelectionBufferManager_.setSelectionOnly(true);
122 cellSelectionBufferManager_.setSelectionOnly(true);
123 }
124
125
126 //----------------------------------------------------------------------------
127
128 template<class VolumeMeshT>
129 VolumeMeshNodeT<VolumeMeshT>::~VolumeMeshNodeT() {
130
131 }
132
133 //----------------------------------------------------------------------------
134
135 template<class VolumeMeshT>
136 void VolumeMeshNodeT<VolumeMeshT>::boundingBox(Vec3d& _bbMin, Vec3d& _bbMax) {
137
138 int n_vertices(mesh_.n_vertices());
139 for (int i = 0; i < n_vertices; ++i) {
140 Vec3d p(mesh_.vertex(VertexHandle(i)));
141 _bbMin.minimize(p);
142 _bbMax.maximize(p);
143 }
144 }
145
146 //----------------------------------------------------------------------------
147
148
149 template<class VolumeMeshT>
150 DrawModes::DrawMode VolumeMeshNodeT<VolumeMeshT>::availableDrawModes() const {
151 DrawModes::DrawMode result;
152
153 if (mesh_.n_cells() > 0)
154 {
155 result |= drawModes_.cellsTransparent;
156 result |= drawModes_.cellsFlatShaded;
157 result |= drawModes_.cellsSmoothShaded;
158 result |= drawModes_.cellsPhongShaded;
159 if (colorAttrib_.vertex_colors_available())
160 result |= drawModes_.cellsColoredPerVertex;
161 if (colorAttrib_.halfface_colors_available())
162 result |= drawModes_.cellsColoredPerHalfface;
163 if (colorAttrib_.face_colors_available())
164 result |= drawModes_.cellsColoredPerFace;
165 if (colorAttrib_.cell_colors_available())
166 result |= drawModes_.cellsColoredPerCell;
167 }
168
169 if (mesh_.n_faces() > 0)
170 {
171 result |= drawModes_.facesFlatShaded;
172 result |= drawModes_.facesSmoothShaded;
173 result |= drawModes_.facesPhongShaded;
174 if (colorAttrib_.vertex_colors_available())
175 result |= drawModes_.facesColoredPerVertex;
176 if (colorAttrib_.face_colors_available())
177 result |= drawModes_.facesColoredPerFace;
178 if (colorAttrib_.face_colors_available())
179 result |= drawModes_.facesColoredPerFaceFlatShaded;
180 if (texcoordAttrib_.vertex_texcoords_available())
181 result |= drawModes_.facesTextured;
182 if (texcoordAttrib_.vertex_texcoords_available())
183 result |= drawModes_.facesTexturedShaded;
184 }
185
186 if (mesh_.n_halffaces() > 0)
187 {
188 result |= drawModes_.halffacesFlatShaded;
189 result |= drawModes_.halffacesSmoothShaded;
190 result |= drawModes_.halffacesPhongShaded;
191 if (colorAttrib_.vertex_colors_available())
192 result |= drawModes_.halffacesColoredPerVertex;
193 if (colorAttrib_.halfface_colors_available())
194 result |= drawModes_.halffacesColoredPerHalfface;
195 }
196
197 if (mesh_.n_edges() > 0)
198 {
199 result |= drawModes_.edgesWireframe;
200
201 if (mesh_.n_cells () > 0)
202 result |= drawModes_.edgesOnCells;
203 if (mesh_.n_faces() > 0)
204 result |= drawModes_.edgesHiddenLine;
205 if (colorAttrib_.edge_colors_available())
206 result |= drawModes_.edgesColoredPerEdge;
207
208 if (std::is_base_of<HexahedralMeshTopologyKernel, VolumeMeshT>::value)
209 {
210 result |= drawModes_.irregularInnerEdges;
211 result |= drawModes_.irregularOuterEdges;
212 }
213 }
214
215 if (mesh_.n_halfedges() > 0)
216 {
217 result |= drawModes_.halfedgesWireframe;
218
219 if (mesh_.n_faces() > 0)
220 result |= drawModes_.halfedgesHiddenLine;
221 if (colorAttrib_.halfedge_colors_available())
222 result |= drawModes_.halfedgesColoredPerHalfedge;
223 }
224
225 if (mesh_.n_vertices() > 0)
226 {
227 result |= drawModes_.verticesFlatShaded;
228
229 if (colorAttrib_.vertex_colors_available())
230 result |= drawModes_.verticesColored;
231 }
232
233 return result;
234
235 }
236
237
238 //----------------------------------------------------------------------------
239
240
241 template<class VolumeMeshT>
242 void VolumeMeshNodeT<VolumeMeshT>::drawCells(GLState& _state, const DrawModes::DrawMode& _drawMode)
243 {
244
245 ACG::GLState::depthRange(0.01, 1.0);
246
247 cellsBufferManager_.setOptionsFromDrawMode(_drawMode);
248 GLState::bindBuffer(GL_ARRAY_BUFFER, cellsBufferManager_.getBuffer());
249 GLState::enableClientState(GL_VERTEX_ARRAY);
250 GLState::vertexPointer(3, GL_FLOAT, cellsBufferManager_.getStride(), reinterpret_cast<GLvoid*>(0));
251
252 GLState::enableClientState(GL_NORMAL_ARRAY);
253 GLState::normalPointer(GL_FLOAT, cellsBufferManager_.getStride(), reinterpret_cast<GLvoid*>(cellsBufferManager_.getNormalOffset()));
254
255 if (_drawMode & (drawModes_.cellsColoredPerCell | drawModes_.cellsColoredPerFace | drawModes_.cellsColoredPerHalfface | drawModes_.cellsColoredPerVertex))
256 {
257 //for a drawmode with colors we have to activate and bind colors
258 GLState::enableClientState(GL_COLOR_ARRAY);
259 GLState::colorPointer(4, GL_UNSIGNED_BYTE, cellsBufferManager_.getStride(), reinterpret_cast<GLvoid*>(cellsBufferManager_.getColorOffset()));
260
261 GLState::shadeModel(GL_SMOOTH);
262 GLState::disable(GL_LIGHTING);
263 GLState::enable(GL_DEPTH_TEST);
264
265 }
266 else if (_drawMode & drawModes_.cellsSmoothShaded)
267 {
268 GLState::shadeModel(GL_SMOOTH);
269 GLState::enable(GL_LIGHTING);
270 GLState::enable(GL_DEPTH_TEST);
271 }
272 else if (_drawMode & drawModes_.cellsFlatShaded)
273 {
274 GLState::shadeModel(GL_FLAT);
275 GLState::enable(GL_LIGHTING);
276 GLState::enable(GL_DEPTH_TEST);
277 }
278 else if (_drawMode & drawModes_.cellsTransparent)
279 {
280 GLState::shadeModel(GL_FLAT);
281 GLState::disable(GL_LIGHTING);
282 GLState::disable(GL_DEPTH_TEST);
283 GLState::disableClientState(GL_COLOR_ARRAY);
284 Vec4f bc = _state.specular_color();
285 _state.set_color(Vec4f(bc[0],bc[1],bc[2],translucency_factor_));
286 GLState::enable(GL_BLEND);
287 GLState::blendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
288 }
289
290 glDrawArrays(GL_TRIANGLES, 0, cellsBufferManager_.getNumOfVertices());
291
292 if (_drawMode & drawModes_.cellsTransparent)
293 {
294 _state.set_color(_state.base_color());
295 GLState::disable(GL_BLEND);
296 }
297
298 GLState::disableClientState(GL_COLOR_ARRAY);
299 GLState::bindBuffer(GL_ARRAY_BUFFER, 0);
300
301 ACG::GLState::depthRange(0.0, 1.0);
302 }
303
304 template<class VolumeMeshT>
305 void VolumeMeshNodeT<VolumeMeshT>::drawFaces(GLState& _state, const DrawModes::DrawMode& _drawMode)
306 {
307
308 ACG::GLState::depthRange(0.01, 1.0);
309
310 //faces are drawn from both sides, halffaces only when facing the camera
311 //however, if we only draw the boundary, we draw halffaces from both sides so we can see them
312 //when looking inside the object
313 if ((_drawMode & drawModes_.faceBasedDrawModes) || boundary_only_)
314 {
315 GLState::disable(GL_CULL_FACE);
316 }
317 else
318 {
319 GLState::enable(GL_CULL_FACE);
320 GLState::cullFace(GL_BACK);
321 }
322
323 GLState::enable(GL_DEPTH_TEST);
324
325 facesBufferManager_.setOptionsFromDrawMode(_drawMode);
326 GLState::bindBuffer(GL_ARRAY_BUFFER, facesBufferManager_.getBuffer());
327 GLState::enableClientState(GL_VERTEX_ARRAY);
328 GLState::vertexPointer(3, GL_FLOAT, facesBufferManager_.getStride(), reinterpret_cast<GLvoid*>(0));
329
330 if (_drawMode & (drawModes_.hiddenLineBackgroundFaces))
331 {
332 GLState::disable(GL_LIGHTING);
333 GLState::shadeModel(GL_FLAT);
334 GLState::disableClientState(GL_COLOR_ARRAY);
335 GLState::disableClientState(GL_NORMAL_ARRAY);
336 _state.set_color(_state.clear_color());
337 }
338 else if (_drawMode & (drawModes_.facesColoredPerFace | drawModes_.facesColoredPerVertex
339 | drawModes_.halffacesColoredPerHalfface | drawModes_.halffacesColoredPerVertex ))
340 {
341 GLState::enableClientState(GL_COLOR_ARRAY);
342 GLState::colorPointer(4, GL_UNSIGNED_BYTE, facesBufferManager_.getStride(), reinterpret_cast<GLvoid*>(facesBufferManager_.getColorOffset()));
343
344 GLState::disable(GL_LIGHTING);
345 GLState::shadeModel(GL_SMOOTH);
346 }
347 else if (_drawMode & (drawModes_.facesColoredPerFaceFlatShaded))
348 {
349 GLState::enable(GL_COLOR_MATERIAL);
350
351 GLState::enableClientState(GL_COLOR_ARRAY);
352 GLState::colorPointer(4, GL_UNSIGNED_BYTE, facesBufferManager_.getStride(), reinterpret_cast<GLvoid*>(facesBufferManager_.getColorOffset()));
353
354 GLState::enable(GL_LIGHTING);
355 GLState::shadeModel(GL_FLAT);
356
357 GLState::enableClientState(GL_NORMAL_ARRAY);
358 GLState::normalPointer(GL_FLOAT, facesBufferManager_.getStride(), reinterpret_cast<GLvoid*>(facesBufferManager_.getNormalOffset()));
359 }
360 else if (_drawMode & (drawModes_.facesTexturedShaded) )
361 {
362 glClientActiveTexture(GL_TEXTURE0);
363 ACG::GLState::texcoordPointer(2, GL_FLOAT, facesBufferManager_.getStride(), reinterpret_cast<GLvoid*>(facesBufferManager_.getTexCoordOffset()));
364 ACG::GLState::enableClientState(GL_TEXTURE_COORD_ARRAY);
365
366 GLState::enable(GL_LIGHTING);
367 GLState::disableClientState(GL_COLOR_ARRAY);
368
369 GLState::enableClientState(GL_NORMAL_ARRAY);
370 GLState::normalPointer(GL_FLOAT, facesBufferManager_.getStride(), reinterpret_cast<GLvoid*>(facesBufferManager_.getNormalOffset()));
371
372 glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
373 GLState::shadeModel(GL_SMOOTH);
374 }
375 else if (_drawMode & (drawModes_.facesTextured) )
376 {
377 glClientActiveTexture(GL_TEXTURE0);
378 ACG::GLState::texcoordPointer(2, GL_FLOAT, facesBufferManager_.getStride(), reinterpret_cast<GLvoid*>(facesBufferManager_.getTexCoordOffset()));
379 ACG::GLState::enableClientState(GL_TEXTURE_COORD_ARRAY);
380
381 GLState::disableClientState(GL_COLOR_ARRAY);
382 GLState::disableClientState(GL_NORMAL_ARRAY);
383
384 GLState::disable(GL_LIGHTING);
385 GLState::shadeModel(GL_SMOOTH);
386
387 glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
388 }
389 else
390 {
391 GLState::enable(GL_LIGHTING);
392 GLState::disableClientState(GL_COLOR_ARRAY);
393
394 GLState::enableClientState(GL_NORMAL_ARRAY);
395 GLState::normalPointer(GL_FLOAT, facesBufferManager_.getStride(), reinterpret_cast<GLvoid*>(facesBufferManager_.getNormalOffset()));
396
397 GLState::shadeModel(GL_SMOOTH);
398 }
399
400 glDrawArrays(GL_TRIANGLES, 0, facesBufferManager_.getNumOfVertices());
401
402 GLState::disableClientState(GL_COLOR_ARRAY);
403
404 GLState::bindBuffer(GL_ARRAY_BUFFER, 0);
405
406 if (_drawMode & (drawModes_.edgesHiddenLine | drawModes_.halfedgesHiddenLine))
407 _state.set_color(_state.base_color());
408
409 ACG::GLState::depthRange(0.0, 1.0);
410 }
411
412 template<class VolumeMeshT>
413 void VolumeMeshNodeT<VolumeMeshT>::drawEdges(GLState& _state, const DrawModes::DrawMode& _drawMode)
414 {
415 ACG::GLState::depthRange(0.0, 1.0);
416
417 edgesBufferManager_.setDefaultColor(_state.specular_color());
418 edgesBufferManager_.setOptionsFromDrawMode(_drawMode);
419
420 GLState::bindBuffer(GL_ARRAY_BUFFER, edgesBufferManager_.getBuffer());
421 GLState::enableClientState(GL_VERTEX_ARRAY);
422 GLState::vertexPointer(3, GL_FLOAT, edgesBufferManager_.getStride(), reinterpret_cast<GLvoid*>(0));
423
424 if (_drawMode & ( drawModes_.edgesColoredPerEdge | drawModes_.halfedgesColoredPerHalfedge |
425 drawModes_.irregularInnerEdges | drawModes_.irregularOuterEdges ))
426 {
427 GLState::enableClientState(GL_COLOR_ARRAY);
428 GLState::colorPointer(4, GL_UNSIGNED_BYTE, edgesBufferManager_.getStride(), reinterpret_cast<GLvoid*>(edgesBufferManager_.getColorOffset()));
429
430 GLState::disable(GL_LIGHTING);
431 GLState::shadeModel(GL_SMOOTH);
432
433 glLineWidth(_state.line_width() * 2.0f);
434 }
435 else
436 {
437 _state.set_color( _state.specular_color() );
438
439 ACG::GLState::disable(GL_LIGHTING);
440 ACG::GLState::shadeModel(GL_FLAT);
441
442 GLState::disableClientState(GL_NORMAL_ARRAY);
443 }
444
445
446 glDrawArrays(GL_LINES, 0, edgesBufferManager_.getNumOfVertices());
447 glLineWidth(_state.line_width());
448
449 GLState::disableClientState(GL_COLOR_ARRAY);
450
451 GLState::bindBuffer(GL_ARRAY_BUFFER, 0);
452
453 }
454
455 template<class VolumeMeshT>
456 void VolumeMeshNodeT<VolumeMeshT>::drawVertices(GLState& _state, const DrawModes::DrawMode& _drawMode)
457 {
458 verticesBufferManager_.setOptionsFromDrawMode(_drawMode);
459 GLState::bindBuffer(GL_ARRAY_BUFFER, verticesBufferManager_.getBuffer());
460 GLState::enableClientState(GL_VERTEX_ARRAY);
461 GLState::vertexPointer(3, GL_FLOAT, verticesBufferManager_.getStride(), reinterpret_cast<GLvoid*>(0));
462
463 GLState::depthRange(0.0,1.0);
464
465 if (_drawMode & ( drawModes_.verticesColored ))
466 {
467 GLState::enableClientState(GL_COLOR_ARRAY);
468 GLState::colorPointer(4, GL_UNSIGNED_BYTE, verticesBufferManager_.getStride(), reinterpret_cast<GLvoid*>(verticesBufferManager_.getColorOffset()));
469
470 GLState::disable(GL_LIGHTING);
471 GLState::shadeModel(GL_SMOOTH);
472 }
473 else
474 {
475 _state.set_color( _state.specular_color() );
476
477 ACG::GLState::disable(GL_LIGHTING);
478 ACG::GLState::shadeModel(GL_FLAT);
479
480 GLState::disableClientState(GL_NORMAL_ARRAY);
481 }
482
483 glDrawArrays(GL_POINTS, 0, verticesBufferManager_.getNumOfVertices());
484
485 GLState::disableClientState(GL_COLOR_ARRAY);
486
487 GLState::bindBuffer(GL_ARRAY_BUFFER, 0);
488
489 }
490
491 template<class VolumeMeshT>
492 void VolumeMeshNodeT<VolumeMeshT>::drawSelection(GLState& _state, const DrawModes::DrawMode& _drawMode)
493 {
494
495 //save current shader
496 GLint currentProgramm;
497 glGetIntegerv(GL_CURRENT_PROGRAM, &currentProgramm);
498 //disable shader for drawing of the selecttion
499 ACG::GLState::useProgram(0);
500
501 GLState::enable(GL_DEPTH_TEST);
502 GLState::depthFunc(GL_LEQUAL);
503 _state.set_color( selection_color_ );
504
505 GLState::disable(GL_LIGHTING);
506 GLState::shadeModel(GL_FLAT);
507 glDisable(GL_CULL_FACE);
508 GLState::disableClientState(GL_NORMAL_ARRAY);
509 GLState::disableClientState(GL_COLOR_ARRAY);
510
511 GLState::disable(GL_TEXTURE_2D);
512
513 GLState::enableClientState(GL_VERTEX_ARRAY);
514
515 if ((_drawMode & drawModes_.cellBasedDrawModes) && !(_drawMode & drawModes_.vertexBasedDrawModes))
516 vertexSelectionBufferManager_.enableVertexOnCellPrimitives();
517 else
518 vertexSelectionBufferManager_.enableVertexPrimitives();
519
520 if ((_drawMode & (drawModes_.cellBasedDrawModes | drawModes_.edgesOnCells)) && !(_drawMode & (drawModes_.edgeBasedDrawModes & ~drawModes_.edgesOnCells)))
521 edgeSelectionBufferManager_.enableEdgeOnCellPrimitives();
522 else
523 edgeSelectionBufferManager_.enableEdgePrimitives();
524
525 if ((_drawMode & drawModes_.cellBasedDrawModes) && !(_drawMode & (drawModes_.faceBasedDrawModes | drawModes_.halffaceBasedDrawModes)))
526 faceSelectionBufferManager_.enableFaceOnCellPrimitives();
527 else
528 faceSelectionBufferManager_.enableFacePrimitives();
529
530 cellSelectionBufferManager_.enableCellPrimitives();
531
532 glLineWidth(1.5*_state.line_width());
533
534 GLState::depthRange(0.0,1.0);
535
536 GLState::bindBuffer(GL_ARRAY_BUFFER, vertexSelectionBufferManager_.getBuffer());
537 GLState::vertexPointer(3, GL_FLOAT, 0, 0);
538 glDrawArrays(GL_POINTS, 0, vertexSelectionBufferManager_.getNumOfVertices());
539
540 GLState::bindBuffer(GL_ARRAY_BUFFER, edgeSelectionBufferManager_.getBuffer());
541 GLState::vertexPointer(3, GL_FLOAT, 0, 0);
542 glDrawArrays(GL_LINES, 0, edgeSelectionBufferManager_.getNumOfVertices());
543
544 GLState::depthRange(0.01,1.0);
545
546 GLState::bindBuffer(GL_ARRAY_BUFFER, faceSelectionBufferManager_.getBuffer());
547 GLState::vertexPointer(3, GL_FLOAT, 0, 0);
548 glDrawArrays(GL_TRIANGLES, 0, faceSelectionBufferManager_.getNumOfVertices());
549
550 GLState::bindBuffer(GL_ARRAY_BUFFER, cellSelectionBufferManager_.getBuffer());
551 GLState::vertexPointer(3, GL_FLOAT, 0, 0);
552 glDrawArrays(GL_TRIANGLES, 0, cellSelectionBufferManager_.getNumOfVertices());
553
554 GLState::depthRange(0.0,1.0);
555
556 _state.set_color(_state.base_color());
557
558 GLState::bindBuffer(GL_ARRAY_BUFFER, 0);
559
560
561 glLineWidth(_state.line_width());
562
563 ACG::GLState::useProgram(currentProgramm);
564
565 }
566
567 template<class VolumeMeshT>
568 void VolumeMeshNodeT<VolumeMeshT>::invalidateAllBuffers()
569 {
570 invalidateAllDrawBuffers();
571 invalidateAllPickingBuffers();
572 invalidateAllSelectionBuffers();
573 }
574
575 template<class VolumeMeshT>
576 void VolumeMeshNodeT<VolumeMeshT>::invalidateAllDrawBuffers()
577 {
578 cellsBufferManager_.invalidate();
579 facesBufferManager_.invalidate();
580 edgesBufferManager_.invalidate();
581 verticesBufferManager_.invalidate();
582 }
583
584 template<class VolumeMeshT>
585 void VolumeMeshNodeT<VolumeMeshT>::invalidateAllPickingBuffers()
586 {
587 cellPickBufferManager_.invalidate();
588 facePickBufferManager_.invalidate();
589 edgePickBufferManager_.invalidate();
590 vertexPickBufferManager_.invalidate();
591 }
592
593 template<class VolumeMeshT>
594 void VolumeMeshNodeT<VolumeMeshT>::invalidateAllSelectionBuffers()
595 {
596 cellSelectionBufferManager_.invalidate();
597 faceSelectionBufferManager_.invalidate();
598 edgeSelectionBufferManager_.invalidate();
599 vertexSelectionBufferManager_.invalidate();
600 }
601
602 template<class VolumeMeshT>
603 void VolumeMeshNodeT<VolumeMeshT>::draw(GLState& _state, const DrawModes::DrawMode& _drawMode) {
604
605 //save state
606 GLboolean lighting = false;
607 glGetBooleanv(GL_LIGHTING, &lighting);
608 GLboolean color_material = false;
609 glGetBooleanv(GL_COLOR_MATERIAL, &color_material);
610 GLboolean blend = false;
611 glGetBooleanv(GL_BLEND, &blend);
612 GLboolean depth = false;
613 glGetBooleanv(GL_DEPTH_TEST, &depth);
614 GLenum prev_depth = _state.depthFunc();
615 GLboolean cullFace = false;
616 glGetBooleanv(GL_CULL_FACE, &cullFace);
617 GLint cullFaceMode;
618 glGetIntegerv(GL_CULL_FACE_MODE, &cullFaceMode);
619 GLint texmode;
620 glGetTexEnviv(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, &texmode);
621 GLboolean texturing;
622 glGetBooleanv(GL_TEXTURE_2D, &texturing);
623 const Vec4f oldColor = _state.color();
624
625 // ignore two sided lighting setting and turn it off
626 GLboolean lightModel = _state.twosided_lighting();
627 _state.set_twosided_lighting(false);
628
629 bool clientStateEnabledVertexArray = GLState::isClientStateEnabled(GL_VERTEX_ARRAY);
630 bool clientStateEnabledColorArray = GLState::isClientStateEnabled(GL_COLOR_ARRAY);
631 bool clientStateEnabledNormalArray = GLState::isClientStateEnabled(GL_NORMAL_ARRAY);
632 bool clientStateEnabledTexCoordArray = GLState::isClientStateEnabled(GL_TEXTURE_COORD_ARRAY);
633
634 DrawModes::DrawMode cellDrawMode = drawModes_.getFirstCellDrawMode(_drawMode);
635 DrawModes::DrawMode faceDrawMode = drawModes_.getFirstFaceDrawMode(_drawMode);
636 DrawModes::DrawMode edgeDrawMode = drawModes_.getFirstEdgeDrawMode(_drawMode);
637 DrawModes::DrawMode vertexDrawMode = drawModes_.getFirstVertexDrawMode(_drawMode);
638
639 if (!face_normals_calculated_)
640 {
641 if ( (cellDrawMode & drawModes_.cellsFlatShaded) ||
642 (faceDrawMode & (drawModes_.facesFlatShaded | drawModes_.halffacesFlatShaded | drawModes_.facesTexturedShaded)) )
643 update_face_normals();
644 }
645 if (!vertex_normals_calculated_)
646 {
647 if ( (cellDrawMode & (drawModes_.cellsSmoothShaded | drawModes_.cellsPhongShaded)) ||
648 (faceDrawMode & (drawModes_.facesSmoothShaded | drawModes_.halffacesSmoothShaded | drawModes_.facesPhongShaded | drawModes_.halffacesPhongShaded)) )
649 update_vertex_normals();
650 }
651
652 //the VolumeMeshBufferManager can handle non atomic drawmodes if it consists of one
653 // edge based draw mode (except edges on cells) and irregular edges
654 edgeDrawMode |= _drawMode & (drawModes_.irregularInnerEdges | drawModes_.irregularOuterEdges);
655
656 // enable twosided lighting for per_face_flat_shaded
657 if(faceDrawMode & (drawModes_.facesColoredPerFaceFlatShaded))
658 _state.set_twosided_lighting(true);
659
660 if (cellDrawMode)
661 drawCells(_state, cellDrawMode);
662 else
663 cellsBufferManager_.free();
664 if (faceDrawMode)
665 drawFaces(_state, faceDrawMode);
666 else
667 facesBufferManager_.free();
668 if (edgeDrawMode)
669 drawEdges(_state, edgeDrawMode);
670 else
671 edgesBufferManager_.free();
672 if (vertexDrawMode)
673 drawVertices(_state, vertexDrawMode);
674 else
675 verticesBufferManager_.free();
676
677 drawSelection(_state, cellDrawMode | faceDrawMode | edgeDrawMode | vertexDrawMode);
678
679
680 lastDrawMode_ = cellDrawMode | faceDrawMode | edgeDrawMode | vertexDrawMode;
681 lastCellDrawMode_ = cellDrawMode;
682 lastFaceDrawMode_ = faceDrawMode;
683 lastEdgeDrawMode_ = edgeDrawMode;
684 lastVertexDrawMode_ = vertexDrawMode;
685
686 //restore state
687 if(lighting)
688 ACG::GLState::enable(GL_LIGHTING);
689 else
690 ACG::GLState::disable(GL_LIGHTING);
691 if(color_material)
692 ACG::GLState::enable(GL_COLOR_MATERIAL);
693 else
694 ACG::GLState::disable(GL_COLOR_MATERIAL);
695 if(blend)
696 ACG::GLState::enable(GL_BLEND);
697 else
698 ACG::GLState::disable(GL_BLEND);
699 if(depth)
700 ACG::GLState::enable(GL_DEPTH_TEST);
701 else
702 ACG::GLState::disable(GL_DEPTH_TEST);
703 _state.depthFunc(prev_depth);
704 if(cullFace)
705 ACG::GLState::enable(GL_CULL_FACE);
706 else
707 ACG::GLState::disable(GL_CULL_FACE);
708 ACG::GLState::cullFace(cullFaceMode);
709 if(texturing)
710 ACG::GLState::enable(GL_TEXTURE_2D);
711 else
712 ACG::GLState::disable(GL_TEXTURE_2D);
713 glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, texmode);
714 _state.set_color(oldColor);
715
716 _state.set_twosided_lighting(lightModel);
717
718 if (clientStateEnabledVertexArray)
719 GLState::enableClientState(GL_VERTEX_ARRAY);
720 else
721 GLState::disableClientState(GL_VERTEX_ARRAY);
722
723 if (clientStateEnabledColorArray)
724 GLState::enableClientState(GL_COLOR_ARRAY);
725 else
726 GLState::disableClientState(GL_COLOR_ARRAY);
727
728 if (clientStateEnabledNormalArray)
729 GLState::enableClientState(GL_NORMAL_ARRAY);
730 else
731 GLState::disableClientState(GL_NORMAL_ARRAY);
732
733 if (clientStateEnabledTexCoordArray)
734 GLState::enableClientState(GL_TEXTURE_COORD_ARRAY);
735 else
736 GLState::disableClientState(GL_TEXTURE_COORD_ARRAY);
737
738 }
739
740
741
742 template<class VolumeMeshT>
743 void VolumeMeshNodeT<VolumeMeshT>::getCellRenderObjects(IRenderer* _renderer, GLState& _state, const DrawModes::DrawMode& _drawMode, const Material* _mat)
744 {
745 RenderObject ro;
746 ro.initFromState(&_state);
747
748 ro.debugName = "VolumeMeshNodeCells";
749
750 //Todo: use DrawModeProperties
751
752 // reset renderobject
753 ro.depthTest = true;
754 ro.depthWrite = true;
755 ro.depthFunc = GL_LESS;
756 ro.setMaterial(_mat);
757
758 ro.shaderDesc.clearTextures();
759
760 ro.shaderDesc.shadeMode = SG_SHADE_UNLIT;
761
762 ro.depthRange = Vec2f(0.01f, 1.0f);
763
764 if (_drawMode & (drawModes_.cellsColoredPerCell | drawModes_.cellsColoredPerFace | drawModes_.cellsColoredPerHalfface | drawModes_.cellsColoredPerVertex))
765 {
766 ro.shaderDesc.vertexColors = true;
767 ro.shaderDesc.numLights = -1;
768 ro.shaderDesc.shadeMode = SG_SHADE_UNLIT;
769 }
770 else if (_drawMode & drawModes_.cellsSmoothShaded)
771 {
772 ro.shaderDesc.numLights = 0;
773 ro.shaderDesc.shadeMode = SG_SHADE_GOURAUD;
774 }
775 else if (_drawMode & drawModes_.cellsFlatShaded)
776 {
777 ro.shaderDesc.numLights = 0;
778 ro.shaderDesc.shadeMode = SG_SHADE_FLAT;
779 }
780 else if (_drawMode & drawModes_.cellsTransparent)
781 {
782 ro.shaderDesc.shadeMode = SG_SHADE_GOURAUD;
783 ro.shaderDesc.numLights = -1;
784 ro.depthTest = false;
785
786 ro.diffuse = ACG::Vec3f(_state.specular_color()[0],_state.specular_color()[1],_state.specular_color()[2]);
787 ro.ambient = ACG::Vec3f(_state.specular_color()[0],_state.specular_color()[1],_state.specular_color()[2]);
788 ro.specular = ACG::Vec3f(_state.specular_color()[0],_state.specular_color()[1],_state.specular_color()[2]);
789 ro.emissive = ACG::Vec3f(_state.specular_color()[0],_state.specular_color()[1],_state.specular_color()[2]);
790
791 ro.alpha = translucency_factor_;
792 ro.blending = true;
793 ro.blendDest = GL_ONE_MINUS_SRC_ALPHA;
794 ro.blendSrc = GL_SRC_ALPHA;
795 }
796
797 cellsBufferManager_.setOptionsFromDrawMode(_drawMode);
798 ro.vertexBuffer = cellsBufferManager_.getBuffer();
799 ro.vertexDecl = cellsBufferManager_.getVertexDeclaration();
800
801 ro.glDrawArrays(GL_TRIANGLES, 0, cellsBufferManager_.getNumOfVertices());
802 if (cellsBufferManager_.getNumOfVertices() > 0) {
803 _renderer->addRenderObject(&ro);
804 }
805 }
806
807 template<class VolumeMeshT>
808 void VolumeMeshNodeT<VolumeMeshT>::getFaceRenderObjects(IRenderer* _renderer, GLState& _state, const DrawModes::DrawMode& _drawMode, const Material* _mat)
809 {
810 RenderObject ro;
811 ro.initFromState(&_state);
812
813 ro.debugName = "VolumeMeshNodeFaces";
814
815 //Todo: use DrawModeProperties
816
817 // reset renderobject
818 ro.depthTest = true;
819 ro.depthWrite = true;
820 ro.depthFunc = GL_LESS;
821 ro.setMaterial(_mat);
822
823 ro.shaderDesc.clearTextures();
824
825 ro.shaderDesc.shadeMode = SG_SHADE_GOURAUD;
826
827 ro.depthRange = Vec2f(0.01f, 1.0f);
828
829 facesBufferManager_.setOptionsFromDrawMode(_drawMode);
830
831
832 if ((_drawMode & drawModes_.faceBasedDrawModes) || boundary_only_)
833 ro.culling = false;
834 else
835 ro.culling = true;
836
837 if (_drawMode & (drawModes_.hiddenLineBackgroundFaces))
838 {
839 ro.shaderDesc.numLights = -1;
840 ro.shaderDesc.shadeMode = SG_SHADE_FLAT;
841
842 ro.shaderDesc.vertexColors = false;
843
844 ro.diffuse = ACG::Vec3f(_state.clear_color()[0],_state.clear_color()[1],_state.clear_color()[2]);
845 ro.ambient = ACG::Vec3f(_state.clear_color()[0],_state.clear_color()[1],_state.clear_color()[2]);
846 ro.specular = ACG::Vec3f(_state.clear_color()[0],_state.clear_color()[1],_state.clear_color()[2]);
847 ro.emissive = ACG::Vec3f(_state.clear_color()[0],_state.clear_color()[1],_state.clear_color()[2]);
848 }
849 else if (_drawMode & (drawModes_.facesColoredPerFace | drawModes_.facesColoredPerVertex
850 | drawModes_.halffacesColoredPerHalfface | drawModes_.halffacesColoredPerVertex ))
851 {
852 ro.shaderDesc.vertexColors = true;
853 ro.shaderDesc.numLights = -1;
854 ro.shaderDesc.shadeMode = SG_SHADE_GOURAUD;
855 }
856 else if (_drawMode & drawModes_.facesColoredPerFaceFlatShaded)
857 {
858 ro.shaderDesc.vertexColors = true;
859 ro.shaderDesc.numLights = -1;
860 ro.shaderDesc.shadeMode = SG_SHADE_FLAT;
861 }
862 else
863 {
864 ro.shaderDesc.numLights = 0;
865 ro.shaderDesc.vertexColors = false;
866 }
867
868 ro.vertexBuffer = facesBufferManager_.getBuffer();
869 ro.vertexDecl = facesBufferManager_.getVertexDeclaration();
870
871 ro.glDrawArrays(GL_TRIANGLES, 0, facesBufferManager_.getNumOfVertices());
872 if (facesBufferManager_.getNumOfVertices() > 0) {
873 _renderer->addRenderObject(&ro);
874 }
875 }
876
877 template<class VolumeMeshT>
878 void VolumeMeshNodeT<VolumeMeshT>::getEdgeRenderObjects(IRenderer* _renderer, GLState& _state, const DrawModes::DrawMode& _drawMode, const Material* _mat)
879 {
880 RenderObject ro;
881 ro.initFromState(&_state);
882
883 ro.debugName = "VolumeMeshNodeEdges";
884
885 //Todo: use DrawModeProperties
886
887 // reset renderobject
888 ro.depthRange = Vec2f(0.0f, 1.0f);
889 ro.depthTest = true;
890 ro.depthWrite = true;
891 ro.depthFunc = GL_LESS;
892 ro.setMaterial(_mat);
893
894 ro.shaderDesc.clearTextures();
895
896 // no lighting, as there are no normals anyway
897 ro.shaderDesc.shadeMode = SG_SHADE_UNLIT;
898
899 // thick lines
900 if (_mat && _mat->lineWidth() > 1.0f)
901 ro.setupLineRendering(_mat->lineWidth(), ACG::Vec2f(_state.viewport_width(), _state.viewport_height()));
902
903 edgesBufferManager_.setDefaultColor(_state.specular_color());
904 edgesBufferManager_.setOptionsFromDrawMode(_drawMode);
905
906 if (_drawMode & ( drawModes_.edgesColoredPerEdge | drawModes_.halfedgesColoredPerHalfedge |
907 drawModes_.irregularInnerEdges | drawModes_.irregularOuterEdges ))
908 {
909 ro.shaderDesc.vertexColors = true;
910 }
911 else
912 {
913 ro.emissive = ACG::Vec3f(_state.specular_color()[0],_state.specular_color()[1],_state.specular_color()[2]);
914 }
915
916 ro.vertexBuffer = edgesBufferManager_.getBuffer();
917 ro.vertexDecl = edgesBufferManager_.getVertexDeclaration();
918
919 ro.glDrawArrays(GL_LINES, 0, edgesBufferManager_.getNumOfVertices());
920 if (edgesBufferManager_.getNumOfVertices() > 0) {
921 _renderer->addRenderObject(&ro);
922 }
923 }
924
925 template<class VolumeMeshT>
926 void VolumeMeshNodeT<VolumeMeshT>::getVertexRenderObjects(IRenderer* _renderer, GLState& _state, const DrawModes::DrawMode& _drawMode, const Material* _mat)
927 {
928 RenderObject ro;
929 ro.initFromState(&_state);
930
931 ro.debugName = "VolumeMeshNodeVertices";
932
933
934 //Todo: use DrawModeProperties
935
936 // reset renderobject
937 ro.depthRange = Vec2f(0.0f, 1.0f);
938 ro.depthTest = true;
939 ro.depthWrite = true;
940 ro.depthFunc = GL_LESS;
941 ro.setMaterial(_mat);
942
943 ro.shaderDesc.clearTextures();
944
945 // no lighting, as there are no normals anyway
946 ro.shaderDesc.shadeMode = SG_SHADE_UNLIT;
947
948 // draw with point size
949 if (_mat && _mat->pointSize() > 1.0f)
950 ro.setupPointRendering(_mat->pointSize(), ACG::Vec2f(_state.viewport_width(), _state.viewport_height()));
951
952 verticesBufferManager_.setDefaultColor(_state.specular_color());
953 verticesBufferManager_.setOptionsFromDrawMode(_drawMode);
954
955
956 if (_drawMode & ( drawModes_.verticesColored ))
957 ro.shaderDesc.vertexColors = true;
958 else
959 ro.emissive = ACG::Vec3f(_state.specular_color()[0],_state.specular_color()[1],_state.specular_color()[2]);
960
961 ro.vertexBuffer = verticesBufferManager_.getBuffer();
962 ro.vertexDecl = verticesBufferManager_.getVertexDeclaration();
963
964 ro.glDrawArrays(GL_POINTS, 0, verticesBufferManager_.getNumOfVertices());
965 if (verticesBufferManager_.getNumOfVertices() > 0) {
966 _renderer->addRenderObject(&ro);
967 }
968 }
969
970
971
972 template<class VolumeMeshT>
973 void VolumeMeshNodeT<VolumeMeshT>::getSelectionRenderObjects(IRenderer* _renderer, GLState& _state, const DrawModes::DrawMode& _drawMode, const Material* _mat)
974 {
975 RenderObject ro;
976 ro.initFromState(&_state);
977
978 ro.debugName = "VolumeMeshNodeSelections";
979
980 ro.setMaterial(_mat);
981
982 ro.depthTest = true;
983 ro.depthFunc = GL_LEQUAL;
984
985 ro.shaderDesc.clearTextures();
986 ro.shaderDesc.vertexColors = false;
987 ro.shaderDesc.numLights = -1;
988 ro.shaderDesc.shadeMode = SG_SHADE_UNLIT;
989
990 ro.diffuse = ACG::Vec3f(selection_color_[0],selection_color_[1],selection_color_[2]);
991 ro.ambient = ACG::Vec3f(selection_color_[0],selection_color_[1],selection_color_[2]);
992 ro.specular = ACG::Vec3f(selection_color_[0],selection_color_[1],selection_color_[2]);
993 ro.emissive = ACG::Vec3f(selection_color_[0],selection_color_[1],selection_color_[2]);
994
995 if ((_drawMode & drawModes_.cellBasedDrawModes) && !(_drawMode & drawModes_.vertexBasedDrawModes))
996 vertexSelectionBufferManager_.enableVertexOnCellPrimitives();
997 else
998 vertexSelectionBufferManager_.enableVertexPrimitives();
999
1000 if ((_drawMode & (drawModes_.cellBasedDrawModes | drawModes_.edgesOnCells)) && !(_drawMode & (drawModes_.edgeBasedDrawModes & ~drawModes_.edgesOnCells)))
1001 edgeSelectionBufferManager_.enableEdgeOnCellPrimitives();
1002 else
1003 edgeSelectionBufferManager_.enableEdgePrimitives();
1004
1005 if ((_drawMode & drawModes_.cellBasedDrawModes) && !(_drawMode & (drawModes_.faceBasedDrawModes | drawModes_.halffaceBasedDrawModes)))
1006 faceSelectionBufferManager_.enableFaceOnCellPrimitives();
1007 else
1008 faceSelectionBufferManager_.enableFacePrimitives();
1009
1010 cellSelectionBufferManager_.enableCellPrimitives();
1011
1012 ro.depthRange = Vec2f(0.0f,1.0f);
1013
1014 ro.vertexBuffer = vertexSelectionBufferManager_.getBuffer();
1015 ro.vertexDecl = vertexSelectionBufferManager_.getVertexDeclaration();
1016 ro.glDrawArrays(GL_POINTS, 0, vertexSelectionBufferManager_.getNumOfVertices());
1017 if (vertexSelectionBufferManager_.getNumOfVertices())
1018 {
1019 ro.debugName = "VolumeMeshNode.VertexSelections";
1020 ro.setupPointRendering(_state.point_size(), ACG::Vec2f(_state.viewport_width(), _state.viewport_height()));
1021 _renderer->addRenderObject(&ro);
1022
1023 // reset shader templates
1024 ro.shaderDesc.vertexTemplateFile = "";
1025 ro.shaderDesc.geometryTemplateFile = "";
1026 ro.shaderDesc.fragmentTemplateFile = "";
1027 }
1028
1029 ro.vertexBuffer = edgeSelectionBufferManager_.getBuffer();
1030 ro.vertexDecl = edgeSelectionBufferManager_.getVertexDeclaration();
1031 ro.glDrawArrays(GL_LINES, 0, edgeSelectionBufferManager_.getNumOfVertices());
1032 if (edgeSelectionBufferManager_.getNumOfVertices())
1033 {
1034 ro.debugName = "VolumeMeshNode.EdgeSelections";
1035
1036 ro.setupLineRendering(_state.line_width(), ACG::Vec2f(_state.viewport_width(), _state.viewport_height()));
1037 _renderer->addRenderObject(&ro);
1038
1039 // reset shader templates
1040 ro.shaderDesc.vertexTemplateFile = "";
1041 ro.shaderDesc.geometryTemplateFile = "";
1042 ro.shaderDesc.fragmentTemplateFile = "";
1043 }
1044
1045 ro.depthRange = Vec2f(0.01f, 1.0f);
1046
1047 ro.vertexBuffer = faceSelectionBufferManager_.getBuffer();
1048 ro.vertexDecl = faceSelectionBufferManager_.getVertexDeclaration();
1049 ro.glDrawArrays(GL_TRIANGLES, 0, faceSelectionBufferManager_.getNumOfVertices());
1050 if (faceSelectionBufferManager_.getNumOfVertices())
1051 {
1052 ro.debugName = "VolumeMeshNode.FaceSelections";
1053
1054 _renderer->addRenderObject(&ro);
1055 }
1056
1057 ro.vertexBuffer = cellSelectionBufferManager_.getBuffer();
1058 ro.vertexDecl = cellSelectionBufferManager_.getVertexDeclaration();
1059 ro.glDrawArrays(GL_TRIANGLES, 0, cellSelectionBufferManager_.getNumOfVertices());
1060 if (cellSelectionBufferManager_.getNumOfVertices())
1061 {
1062 ro.debugName = "VolumeMeshNode.CellSelections";
1063 _renderer->addRenderObject(&ro);
1064 }
1065
1066
1067 }
1068
1069 template<class VolumeMeshT>
1070 void VolumeMeshNodeT<VolumeMeshT>::getRenderObjects(IRenderer* _renderer, GLState& _state, const DrawModes::DrawMode& _drawMode, const Material* _mat)
1071 {
1072
1073 DrawModes::DrawMode cellDrawMode = drawModes_.getFirstCellDrawMode(_drawMode);
1074 DrawModes::DrawMode faceDrawMode = drawModes_.getFirstFaceDrawMode(_drawMode);
1075 DrawModes::DrawMode edgeDrawMode = drawModes_.getFirstEdgeDrawMode(_drawMode);
1076 DrawModes::DrawMode vertexDrawMode = drawModes_.getFirstVertexDrawMode(_drawMode);
1077
1078 if (!face_normals_calculated_)
1079 {
1080 if ( (cellDrawMode & drawModes_.cellsFlatShaded) ||
1081 (faceDrawMode & (drawModes_.facesFlatShaded | drawModes_.halffacesFlatShaded | drawModes_.facesTexturedShaded)) )
1082 update_face_normals();
1083 }
1084 if (!vertex_normals_calculated_)
1085 {
1086 if ( (cellDrawMode & (drawModes_.cellsSmoothShaded | drawModes_.cellsPhongShaded)) ||
1087 (faceDrawMode & (drawModes_.facesSmoothShaded | drawModes_.halffacesSmoothShaded | drawModes_.facesPhongShaded | drawModes_.halffacesPhongShaded)) )
1088 update_vertex_normals();
1089 }
1090
1091 //the VolumeMeshBufferManager can handle non atomic drawmodes if it consists of one
1092 // edge based draw mode (except edges on cells) and irregular edges
1093 edgeDrawMode |= _drawMode & (drawModes_.irregularInnerEdges | drawModes_.irregularOuterEdges);
1094
1095 if (cellDrawMode)
1096 getCellRenderObjects(_renderer, _state, cellDrawMode, _mat);
1097 else
1098 cellsBufferManager_.free();
1099 if (faceDrawMode)
1100 getFaceRenderObjects(_renderer, _state, faceDrawMode, _mat);
1101 else
1102 facesBufferManager_.free();
1103 if (edgeDrawMode)
1104 getEdgeRenderObjects(_renderer, _state, edgeDrawMode, _mat);
1105 else
1106 edgesBufferManager_.free();
1107 if (vertexDrawMode)
1108 getVertexRenderObjects(_renderer, _state, vertexDrawMode, _mat);
1109 else
1110 verticesBufferManager_.free();
1111
1112 getSelectionRenderObjects(_renderer, _state, cellDrawMode | faceDrawMode | edgeDrawMode | vertexDrawMode, _mat);
1113
1114 }
1115
1116 //----------------------------------------------------------------------------
1117
1118
1119 template<class VolumeMeshT>
1120 void VolumeMeshNodeT<VolumeMeshT>::pick(GLState& _state, PickTarget _target) {
1121 bool drawModeOverride = false;
1122 if(lastDrawMode_ == DrawModes::NONE) // no last drawmode so the picking renderer
1123 { // is probably calling this function for rendering
1124 lastDrawMode_ = drawMode();
1125 drawModeOverride = true;
1126 }
1127
1128 if(_state.compatibilityProfile())
1129 pickCompat(_state, _target);
1130 else
1131 {
1132 GLState::depthRange(0.01, 1.0);
1133 if (lastCellDrawMode_)
1134 {
1135 //draw cells so the user cannot pick invisible stuff
1136
1137 GLState::bindBuffer(GL_ARRAY_BUFFER, cellsBufferManager_.getBuffer());
1138
1139 GLState::vertexPointer(3, GL_FLOAT, cellsBufferManager_.getStride(), reinterpret_cast<GLvoid*>(0));
1140
1141 Vec4f bc = _state.specular_color();
1142 _state.set_color(Vec4f(0.0,0.0,0.0,0.0));
1143
1144 glDrawArrays(GL_TRIANGLES, 0, cellsBufferManager_.getNumOfVertices());
1145
1146 _state.set_color(bc);
1147 GLState::bindBuffer(GL_ARRAY_BUFFER, 0);
1148 }
1149
1150 if (lastFaceDrawMode_)
1151 {
1152 //draw faces so the user cannot pick invisible stuff
1153
1154 GLState::bindBuffer(GL_ARRAY_BUFFER, facesBufferManager_.getBuffer());
1155 GLState::vertexPointer(3, GL_FLOAT, facesBufferManager_.getStride(), reinterpret_cast<GLvoid*>(0));
1156
1157 Vec4f bc = _state.specular_color();
1158 _state.set_color(Vec4f(0.0,0.0,0.0,0.0));
1159
1160 glDrawArrays(GL_TRIANGLES, 0, facesBufferManager_.getNumOfVertices());
1161
1162 _state.set_color(bc);
1163 GLState::bindBuffer(GL_ARRAY_BUFFER, 0);
1164 }
1165
1166 GLenum oldDepthFunc = _state.depthFunc();
1167
1168 GLState::depthRange(0.0, 1.0);
1169
1170 _state.set_depthFunc(GL_LEQUAL);
1171
1172 switch (_target) {
1173 case PICK_VERTEX: {
1174 if (lastPickTarget_ != PICK_VERTEX)
1175 vertexPickBufferManager_.invalidateColors();
1176 _state.pick_set_maximum(mesh_.n_vertices());
1177 pickVertices(_state);
1178 break;
1179 }
1180
1181 case PICK_EDGE: {
1182 _state.pick_set_maximum(mesh_.n_edges());
1183 pickEdges(_state, 0);
1184 break;
1185 }
1186
1187 case PICK_FACE: {
1188 _state.pick_set_maximum(mesh_.n_faces());
1189 pickFaces(_state, 0);
1190 break;
1191 }
1192
1193 case PICK_CELL: {
1194 _state.pick_set_maximum(mesh_.n_cells());
1195 pickCells(_state, 0);
1196 break;
1197 }
1198
1199 case PICK_ANYTHING: {
1200 if (lastPickTarget_ != PICK_ANYTHING)
1201 vertexPickBufferManager_.invalidateColors();
1202
1203 int nv = mesh_.n_vertices();
1204 int ne = mesh_.n_edges();
1205 int nf = mesh_.n_faces();
1206 int nc = mesh_.n_cells();
1207
1208 _state.pick_set_maximum(nv + ne + nf + nc);
1209 pickVertices(_state);
1210 pickEdges(_state, nv);
1211 pickFaces(_state, nv + ne);
1212 pickCells(_state, nv + ne + nf);
1213 break;
1214 }
1215
1216 default:
1217 break;
1218 }
1219
1220 _state.set_depthFunc(oldDepthFunc);
1221 lastPickTarget_ = _target;
1222 }
1223 if(drawModeOverride)
1224 lastDrawMode_ = DrawModes::NONE;
1225 }
1226
1227 template<class VolumeMeshT>
1228 void VolumeMeshNodeT<VolumeMeshT>::clear_cut_planes()
1229 {
1230 cellsBufferManager_.clearCutPlanes();
1231 facesBufferManager_.clearCutPlanes();
1232 edgesBufferManager_.clearCutPlanes();
1233 verticesBufferManager_.clearCutPlanes();
1234
1235 cellSelectionBufferManager_.clearCutPlanes();
1236 faceSelectionBufferManager_.clearCutPlanes();
1237 edgeSelectionBufferManager_.clearCutPlanes();
1238 vertexSelectionBufferManager_.clearCutPlanes();
1239
1240 cellPickBufferManager_.clearCutPlanes();
1241 facePickBufferManager_.clearCutPlanes();
1242 edgePickBufferManager_.clearCutPlanes();
1243 vertexPickBufferManager_.clearCutPlanes();
1244 }
1245
1246 //----------------------------------------------------------------------------
1247
1248
1249
1250 template<class VolumeMeshT>
1251 void VolumeMeshNodeT<VolumeMeshT>::pickVertices(GLState& _state) {
1252
1253 if (lastDrawMode_ & drawModes_.vertexBasedDrawModes)
1254 vertexPickBufferManager_.enableVertexPrimitives();
1255 else if (lastDrawMode_ & drawModes_.cellBasedDrawModes)
1256 vertexPickBufferManager_.enableVertexOnCellPrimitives();
1257 else
1258 vertexPickBufferManager_.enableVertexPrimitives();
1259
1260 vertexPickBufferManager_.disableNormals();
1261 vertexPickBufferManager_.enablePickColors();
1262
1263 static GLSL::Program* pickVertexShader_;
1264 static ACG::ShaderGenDesc desc;
1265 desc.vertexColors = true;
1266 desc.vertexTemplateFile = "Picking/vertexPassColors.glsl";
1267 desc.fragmentTemplateFile = "Picking/passColors_fs.glsl";
1268
1269 // load from cache
1270 pickVertexShader_ = ShaderCache::getInstance()->getProgram(&desc,nullptr);
1271
1272 // check link status
1273 if(!( pickVertexShader_ && pickVertexShader_->isLinked()))
1274 return;
1275 GLState::bindBuffer(GL_ARRAY_BUFFER, vertexPickBufferManager_.getPickBuffer(_state, 0));
1276 pickVertexShader_->use();
1277 vertexPickBufferManager_.getVertexDeclaration()->activateShaderPipeline(pickVertexShader_);
1278
1279 pickVertexShader_->setUniform("pickVertexOffset", static_cast<int>(_state.pick_current_index()));
1280 pickVertexShader_->setUniform("mWVP", _state.projection() * _state.modelview());
1281
1282 float oldPointSize = _state.point_size();
1283 _state.set_point_size(1.5*_state.point_size());
1284
1285 glDrawArrays(GL_POINTS, 0, vertexPickBufferManager_.getNumOfVertices());
1286
1287 vertexPickBufferManager_.getVertexDeclaration()->deactivateShaderPipeline(pickVertexShader_);
1288 pickVertexShader_->disable();
1289 _state.set_point_size(oldPointSize);
1290
1291 GLState::bindBuffer(GL_ARRAY_BUFFER, 0);
1292
1293 }
1294
1295 //----------------------------------------------------------------------------
1296
1297
1298 template<class VolumeMeshT>
1299 void VolumeMeshNodeT<VolumeMeshT>::pickEdges(GLState& _state, unsigned int _offset) {
1300
1301 if ((lastDrawMode_ & (drawModes_.cellBasedDrawModes | drawModes_.edgesOnCells)) && !(lastDrawMode_ & (drawModes_.edgeBasedDrawModes & ~drawModes_.edgesOnCells)))
1302 edgePickBufferManager_.enableEdgeOnCellPrimitives();
1303 else
1304 edgePickBufferManager_.enableEdgePrimitives();
1305
1306 edgePickBufferManager_.enablePickColors();
1307 edgePickBufferManager_.disableNormals();
1308
1309 static GLSL::Program* pickVertexShader_;
1310 static ACG::ShaderGenDesc desc;
1311 desc.vertexColors = true;
1312 desc.vertexTemplateFile = "Picking/vertexPassColors.glsl";
1313 desc.fragmentTemplateFile = "Picking/passColors_fs.glsl";
1314
1315 // load from cache
1316 pickVertexShader_ = ShaderCache::getInstance()->getProgram(&desc,nullptr);
1317
1318 // check link status
1319 if(!( pickVertexShader_ && pickVertexShader_->isLinked()))
1320 return;
1321 GLState::bindBuffer(GL_ARRAY_BUFFER, edgePickBufferManager_.getPickBuffer(_state, _offset));
1322
1323 pickVertexShader_->use();
1324 edgePickBufferManager_.getVertexDeclaration()->activateShaderPipeline(pickVertexShader_);
1325
1326 pickVertexShader_->setUniform("pickVertexOffset", static_cast<int>(_state.pick_current_index()));
1327 pickVertexShader_->setUniform("mWVP", _state.projection() * _state.modelview());
1328
1329 float oldLineWidth = _state.line_width();
1330 _state.set_line_width(4.0*_state.line_width());
1331
1332 glDrawArrays(GL_LINES, 0, edgePickBufferManager_.getNumOfVertices());
1333
1334 edgePickBufferManager_.getVertexDeclaration()->deactivateShaderPipeline(pickVertexShader_);
1335 pickVertexShader_->disable();
1336 _state.set_line_width(oldLineWidth);
1337
1338 GLState::bindBuffer(GL_ARRAY_BUFFER, 0);
1339
1340 }
1341
1342 //----------------------------------------------------------------------------
1343
1344
1345 template<class VolumeMeshT>
1346 void VolumeMeshNodeT<VolumeMeshT>::pickFaces(GLState& _state, unsigned int _offset) {
1347
1348 if (lastDrawMode_ & (drawModes_.faceBasedDrawModes | drawModes_.halffaceBasedDrawModes))
1349 facePickBufferManager_.enableFacePrimitives();
1350 else if (lastDrawMode_ & drawModes_.cellBasedDrawModes)
1351 facePickBufferManager_.enableFaceOnCellPrimitives();
1352 else
1353 facePickBufferManager_.enableFacePrimitives();
1354
1355 facePickBufferManager_.disableNormals();
1356 facePickBufferManager_.enablePickColors();
1357
1358 static GLSL::Program* pickVertexShader_;
1359 static ACG::ShaderGenDesc desc;
1360 desc.vertexColors = true;
1361 desc.vertexTemplateFile = "Picking/vertexPassColors.glsl";
1362 desc.fragmentTemplateFile = "Picking/passColors_fs.glsl";
1363
1364 // load from cache
1365 pickVertexShader_ = ShaderCache::getInstance()->getProgram(&desc,nullptr);
1366
1367 // check link status
1368 if(!( pickVertexShader_ && pickVertexShader_->isLinked()))
1369 return;
1370 GLState::bindBuffer(GL_ARRAY_BUFFER, facePickBufferManager_.getPickBuffer(_state, _offset));
1371
1372 pickVertexShader_->use();
1373 facePickBufferManager_.getVertexDeclaration()->activateShaderPipeline(pickVertexShader_);
1374
1375 pickVertexShader_->setUniform("pickVertexOffset", static_cast<int>(_state.pick_current_index()));
1376 pickVertexShader_->setUniform("mWVP", _state.projection() * _state.modelview());
1377
1378 glDrawArrays(GL_TRIANGLES, 0, facePickBufferManager_.getNumOfVertices());
1379
1380 facePickBufferManager_.getVertexDeclaration()->deactivateShaderPipeline(pickVertexShader_);
1381 pickVertexShader_->disable();
1382 GLState::bindBuffer(GL_ARRAY_BUFFER, 0);
1383 }
1384
1385 //----------------------------------------------------------------------------
1386
1387
1388 template<class VolumeMeshT>
1389 void VolumeMeshNodeT<VolumeMeshT>::pickCells(GLState& _state, unsigned int _offset) {
1390
1391 cellPickBufferManager_.enablePickColors();
1392 cellPickBufferManager_.disableNormals();
1393 cellPickBufferManager_.enableCellPrimitives();
1394
1395 static GLSL::Program* pickVertexShader_;
1396 static ACG::ShaderGenDesc desc;
1397 desc.vertexColors = true;
1398 desc.vertexTemplateFile = "Picking/vertexPassColors.glsl";
1399 desc.fragmentTemplateFile = "Picking/passColors_fs.glsl";
1400
1401 // load from cache
1402 pickVertexShader_ = ShaderCache::getInstance()->getProgram(&desc,nullptr);
1403
1404 // check link status
1405 if(!( pickVertexShader_ && pickVertexShader_->isLinked()))
1406 return;
1407 GLState::bindBuffer(GL_ARRAY_BUFFER, cellPickBufferManager_.getPickBuffer(_state, _offset));
1408
1409 pickVertexShader_->use();
1410 cellPickBufferManager_.getVertexDeclaration()->activateShaderPipeline(pickVertexShader_);
1411
1412 pickVertexShader_->setUniform("pickVertexOffset", static_cast<int>(_state.pick_current_index()));
1413 pickVertexShader_->setUniform("mWVP", _state.projection() * _state.modelview());
1414
1415
1416 glDrawArrays(GL_TRIANGLES, 0, cellPickBufferManager_.getNumOfVertices());
1417
1418
1419 cellPickBufferManager_.getVertexDeclaration()->deactivateShaderPipeline(pickVertexShader_);
1420 pickVertexShader_->disable();
1421 GLState::bindBuffer(GL_ARRAY_BUFFER, 0);
1422 }
1423
1424 //----------------------------------------------------------------------------
1425
1426 template<class VolumeMeshT>
1427 void VolumeMeshNodeT<VolumeMeshT>::update_face_normals()
1428 {
1429 normalAttrib_.update_face_normals();
1430 face_normals_calculated_ = true;
1431 }
1432
1433 //----------------------------------------------------------------------------
1434
1435 template<class VolumeMeshT>
1436 void VolumeMeshNodeT<VolumeMeshT>::update_vertex_normals()
1437 {
1438 normalAttrib_.update_vertex_normals();
1439 vertex_normals_calculated_ = true;
1440 //update_vertex_normals will also compute face normals
1441 face_normals_calculated_ = true;
1442 }
1443
1444 //----------------------------------------------------------------------------
1445
1446 template<class VolumeMeshT>
1447 void VolumeMeshNodeT<VolumeMeshT>::add_cut_plane(const Vec3d& _p, const Vec3d& _n, const Vec3d& _xsize,
1448 const Vec3d& _ysize) {
1449
1450 add_cut_plane(Plane(_p, _n, _xsize, _ysize));
1451 }
1452
1453 template<class VolumeMeshT>
1454 void VolumeMeshNodeT<VolumeMeshT>::set_scaling(double _scale)
1455 {
1456 scale_ = _scale;
1457 cellsBufferManager_.setScale(scale_);
1458 edgesBufferManager_.setScale(scale_);
1459 cellSelectionBufferManager_.setScale(scale_);
1460 faceSelectionBufferManager_.setScale(scale_);
1461 edgeSelectionBufferManager_.setScale(scale_);
1462 vertexSelectionBufferManager_.setScale(scale_);
1463 cellPickBufferManager_.setScale(scale_);
1464 facePickBufferManager_.setScale(scale_);
1465 edgePickBufferManager_.setScale(scale_);
1466 vertexPickBufferManager_.setScale(scale_);
1467 }
1468
1469 template<class VolumeMeshT>
1470 void VolumeMeshNodeT<VolumeMeshT>::set_boundary_only(bool _boundary)
1471 {
1472 boundary_only_ = _boundary;
1473
1474 cellsBufferManager_.setBoundaryOnly(_boundary);
1475 facesBufferManager_.setBoundaryOnly(_boundary);
1476 edgesBufferManager_.setBoundaryOnly(_boundary);
1477 verticesBufferManager_.setBoundaryOnly(_boundary);
1478
1479 cellSelectionBufferManager_.setBoundaryOnly(_boundary);
1480 faceSelectionBufferManager_.setBoundaryOnly(_boundary);
1481 edgeSelectionBufferManager_.setBoundaryOnly(_boundary);
1482 vertexSelectionBufferManager_.setBoundaryOnly(_boundary);
1483
1484 cellPickBufferManager_.setBoundaryOnly(_boundary);
1485 facePickBufferManager_.setBoundaryOnly(_boundary);
1486 edgePickBufferManager_.setBoundaryOnly(_boundary);
1487 vertexPickBufferManager_.setScale(_boundary);
1488
1489 }
1490
1491 template<class VolumeMeshT>
1492 void VolumeMeshNodeT<VolumeMeshT>::set_topology_changed(bool _topology_changed)
1493 {
1494 if (_topology_changed)
1495 invalidateAllBuffers();
1496 }
1497
1498 template<class VolumeMeshT>
1499 void VolumeMeshNodeT<VolumeMeshT>::set_geometry_changed(bool _geom_changed)
1500 {
1501 if (_geom_changed)
1502 invalidateAllBuffers();
1503 }
1504
1505 template<class VolumeMeshT>
1506 void VolumeMeshNodeT<VolumeMeshT>::set_color_changed(bool _color_changed)
1507 {
1508 if (_color_changed)
1509 {
1510 cellsBufferManager_.invalidateColors();
1511 facesBufferManager_.invalidateColors();
1512 edgesBufferManager_.invalidateColors();
1513 verticesBufferManager_.invalidateColors();
1514 }
1515
1516 }
1517
1518 template<class VolumeMeshT>
1519 void VolumeMeshNodeT<VolumeMeshT>::set_texture_changed(bool _texture_changed)
1520 {
1521 if (_texture_changed)
1522 {
1523 cellsBufferManager_.invalidateTexCoords();
1524 facesBufferManager_.invalidateTexCoords();
1525 edgesBufferManager_.invalidateTexCoords();
1526 verticesBufferManager_.invalidateTexCoords();
1527 }
1528
1529 }
1530
1531 template<class VolumeMeshT>
1532 void VolumeMeshNodeT<VolumeMeshT>::set_selection_changed(bool _selection_changed)
1533 {
1534 if (_selection_changed)
1535 invalidateAllSelectionBuffers();
1536 }
1537
1538 //----------------------------------------------------------------------------
1539
1540
1541 template<class VolumeMeshT>
1542 void VolumeMeshNodeT<VolumeMeshT>::add_cut_plane(const Plane& _p) {
1543 cellsBufferManager_.addCutPlane(_p);
1544 facesBufferManager_.addCutPlane(_p);
1545 edgesBufferManager_.addCutPlane(_p);
1546 verticesBufferManager_.addCutPlane(_p);
1547
1548 cellSelectionBufferManager_.addCutPlane(_p);
1549 faceSelectionBufferManager_.addCutPlane(_p);
1550 edgeSelectionBufferManager_.addCutPlane(_p);
1551 vertexSelectionBufferManager_.addCutPlane(_p);
1552
1553 cellPickBufferManager_.addCutPlane(_p);
1554 facePickBufferManager_.addCutPlane(_p);
1555 edgePickBufferManager_.addCutPlane(_p);
1556 vertexPickBufferManager_.addCutPlane(_p);
1557 }
1558
1559
1560 //=============================================================================
1561 } // namespace SceneGraph
1562 } // namespace ACG
1563 //=============================================================================
OpenMesh::VectorT::maximize
vector_type & maximize(const vector_type &_rhs)
maximize values: same as *this = max(*this, _rhs), but faster
Definition: Vector11T.hh:563
ACG::GLState::specular_color
const Vec4f & specular_color() const
get specular color
Definition: GLState.hh:941
ACG::GLState::depthRange
static void depthRange(GLclampd _zNear, GLclampd _zFar)
replaces glDepthRange, supports locking
Definition: GLState.cc:1757
ACG
Namespace providing different geometric functions concerning angles.
Definition: BaseObjectData.hh:68
ACG::ShaderGenDesc::clearTextures
void clearTextures()
disables texture support and removes all texture types
Definition: ShaderGenerator.hh:223
ACG::GLState::texcoordPointer
static void texcoordPointer(GLint _size, GLenum _type, GLsizei _stride, const GLvoid *_pointer)
replaces glTexcoordPointer, supports locking
Definition: GLState.cc:1984
ACG::SceneGraph::VolumeMeshNodeT::update_face_normals
void update_face_normals()
updates face normals
Definition: VolumeMeshNodeT_impl.hh:1427
ACG::SceneGraph::Material::lineWidth
void lineWidth(float _sz)
set line width (default: 1.0)
Definition: MaterialNode.hh:229
ACG::SceneGraph::VolumeMeshNodeT::update_vertex_normals
void update_vertex_normals()
updates vertex normals
Definition: VolumeMeshNodeT_impl.hh:1436
ACG::SceneGraph::PICK_ANYTHING
pick any of the prior targets (should be implemented for all nodes)
Definition: PickTarget.hh:84
ACG::Vec3f
VectorT< float, 3 > Vec3f
Definition: VectorT.hh:119
ACG::GLState::depthFunc
const GLenum & depthFunc() const
get glDepthFunc() that is supposed to be active
Definition: GLState.cc:941
OpenVolumeMesh::NormalAttrib< VolumeMesh >
ACG::SceneGraph::Material::pointSize
void pointSize(float _sz)
set point size (default: 1.0)
Definition: MaterialNode.hh:224
ACG::GLState::set_twosided_lighting
void set_twosided_lighting(bool _b)
set whether transparent or solid objects should be drawn
Definition: GLState.cc:822
ACG::GLState::projection
const GLMatrixd & projection() const
get projection matrix
Definition: GLState.hh:786
ACG::SceneGraph::VolumeMeshNodeT::VolumeMeshNodeT
VolumeMeshNodeT(const VolumeMesh &_mesh, OpenVolumeMesh::StatusAttrib &_statusAttrib, OpenVolumeMesh::ColorAttrib< Vec4f > &_colorAttrib, OpenVolumeMesh::NormalAttrib< VolumeMesh > &_normalAttrib, OpenVolumeMesh::TexCoordAttrib< Vec2f > &_texcoordAttrib, const MaterialNode *_matNode, BaseNode *_parent=0, std::string _name="<VolumeMeshNode>")
Constructor.
Definition: VolumeMeshNodeT_impl.hh:75
ACG::GLState::set_color
void set_color(const Vec4f &_col)
set color
Definition: GLState.cc:691
ACG::RenderObject::initFromState
void initFromState(GLState *_glState)
Initializes a RenderObject instance.
Definition: RenderObject.cc:61
ACG::GLState::viewport_width
int viewport_width() const
get viewport width
Definition: GLState.hh:822
ACG::GLState::pick_current_index
size_t pick_current_index() const
Returns the current color picking index (can be used for caching)
Definition: GLState.cc:1131
ACG::GLState::point_size
float point_size() const
get point size
Definition: GLState.hh:970
ACG::GLState::line_width
float line_width() const
get line width
Definition: GLState.hh:975
ACG::GLState::set_depthFunc
void set_depthFunc(const GLenum &_depth_func)
Call glDepthFunc() to actually change the depth comparison function, and store the new value in this ...
Definition: GLState.cc:948
OpenVolumeMesh::StatusAttrib
Definition: StatusAttrib.hh:57
ACG::GLState::clear_color
const Vec4f & clear_color() const
get background color
Definition: GLState.hh:921
GLSL::Program::disable
void disable()
Resets to standard rendering pipeline.
Definition: GLSLShader.cc:355
ACG::RenderObject::depthRange
Vec2f depthRange
glDepthRange: (znear, zmax)
Definition: RenderObject.hh:249
ACG::SceneGraph::MaterialNode
Definition: MaterialNode.hh:338
ACG::RenderObject
Interface class between scenegraph and renderer.
Definition: RenderObject.hh:98
ACG::RenderObject::diffuse
Vec3f diffuse
material definitions
Definition: RenderObject.hh:274
GLSL::Program
GLSL program class.
Definition: GLSLShader.hh:211
ACG::GLState::enable
static void enable(GLenum _cap, bool _warnRemoved=true)
replaces glEnable, but supports locking
Definition: GLState.cc:1507
ACG::GLState
Definition: GLState.hh:213
ACG::RenderObject::depthFunc
GLenum depthFunc
GL_LESS, GL_LEQUAL, GL_GREATER ..
Definition: RenderObject.hh:240
ACG::Vec2f
VectorT< float, 2 > Vec2f
Definition: VectorT.hh:102
OpenVolumeMesh::ColorAttrib
Definition: ColorAttrib.hh:58
ACG::RenderObject::setupPointRendering
void setupPointRendering(float _pointSize, const Vec2f &_screenSize)
Setup rendering of circle points.
Definition: RenderObject.cc:484
OpenVolumeMesh::HexahedralMeshTopologyKernel
A data structure basing on PolyhedralMesh with specializations for hexahedra.
Definition: HexahedralMeshTopologyKernel.hh:86
OpenVolumeMesh::HandleT< Entity::Vertex >
ACG::GLState::set_point_size
void set_point_size(float _f)
set point size
Definition: GLState.cc:776
ACG::GLState::useProgram
static void useProgram(GLuint _program)
replaces glUseProgram, supports locking
Definition: GLState.cc:2157
ACG::GLState::twosided_lighting
bool twosided_lighting()
get whether transparenet or solid objects should be drawn
Definition: GLState.hh:1040
ACG::GLState::set_line_width
void set_line_width(float _f)
set line width
Definition: GLState.cc:791
ACG::GLState::base_color
const Vec4f & base_color() const
get base color (used when lighting is off)
Definition: GLState.hh:926
ACG::ShaderGenDesc
Definition: ShaderGenerator.hh:83
ACG::RenderObject::vertexBuffer
GLuint vertexBuffer
VBO, IBO ids, ignored if VAO is provided.
Definition: RenderObject.hh:162
ACG::GLState::viewport_height
int viewport_height() const
get viewport height
Definition: GLState.hh:824
ACG::GLState::shadeModel
static void shadeModel(GLenum _mode)
replaces glShadeModel, supports locking
Definition: GLState.cc:1729
ACG::SceneGraph::DrawModes::DrawMode
Specifies a DrawMode.
Definition: DrawModes.hh:288
ACG::IRenderer::addRenderObject
virtual void addRenderObject(RenderObject *_renderObject)
Callback for the scenegraph nodes, which send new render objects via this function.
Definition: IRenderer.cc:104
ACG::SceneGraph::Material
Definition: MaterialNode.hh:79
ACG::RenderObject::setupLineRendering
void setupLineRendering(float _lineWidth, const Vec2f &_screenSize)
Setup rendering of thick lines.
Definition: RenderObject.cc:464
ACG::SceneGraph::VolumeMeshNodeT
Definition: VolumeMeshNode.hh:79
ACG::GLState::modelview
const GLMatrixd & modelview() const
get modelview matrix
Definition: GLState.hh:791
ACG::GLState::color
const Vec4f & color()
set color
Definition: GLState.hh:916
SceneGraph
Definition: QtPrincipalAxisDialog.hh:67
ACG::RenderObject::shaderDesc
ShaderGenDesc shaderDesc
Drawmode and other shader params.
Definition: RenderObject.hh:225
OpenVolumeMesh::TexCoordAttrib
Definition: TexCoordAttrib.hh:58
ACG::SceneGraph::PickTarget
PickTarget
What target to use for picking.
Definition: PickTarget.hh:73
OpenMesh::VectorT::minimize
vector_type & minimize(const vector_type &_rhs)
minimize values: same as *this = min(*this, _rhs), but faster
Definition: Vector11T.hh:535
ACG::SceneGraph::BaseNode
Definition: BaseNode.hh:104
OpenMesh::VectorT
Definition: Vector11T.hh:83
ACG::GLState::cullFace
static void cullFace(GLenum _mode)
replaces glCullFace, supports locking
Definition: GLState.cc:1743
ACG::IRenderer
Definition: IRenderer.hh:78
GLSL::Program::isLinked
bool isLinked()
Returns if the program object has been succesfully linked.
Definition: GLSLShader.cc:370
ACG::RenderObject::blendDest
GLenum blendDest
glBlendFunc: GL_SRC_ALPHA, GL_ZERO, GL_ONE, GL_ONE_MINUS_SRC_ALPHA ...
Definition: RenderObject.hh:247
ACG::GLState::disable
static void disable(GLenum _cap, bool _warnRemoved=true)
replaces glDisable, but supports locking
Definition: GLState.cc:1527
ACG::GLState::enableClientState
static void enableClientState(GLenum _cap)
replaces glEnableClientState, supports locking
Definition: GLState.cc:1570
ACG::RenderObject::vertexDecl
const VertexDeclaration * vertexDecl
Defines the vertex buffer layout, ignored if VAO is provided.
Definition: RenderObject.hh:208
GLSL::Program::setUniform
void setUniform(const char *_name, GLint _value)
Set int uniform to specified value.
Definition: GLSLShader.cc:385
ACG::GLState::pick_set_maximum
bool pick_set_maximum(size_t _idx)
Set the maximal number of primitives/components of your object.
Definition: GLState.cc:1051
GLSL::Program::use
void use()
Enables the program object for using.
Definition: GLSLShader.cc:345
ACG::Geometry::Plane
Definition: PlaneType.hh:50