topoRender.hpp 11.1 KB
Newer Older
Pierre Kraemer's avatar
Pierre Kraemer committed
1
2
3
/*******************************************************************************
* CGoGN: Combinatorial and Geometric modeling with Generic N-dimensional Maps  *
* version 0.1                                                                  *
4
* Copyright (C) 2009-2011, IGG Team, LSIIT, University of Strasbourg           *
Pierre Kraemer's avatar
Pierre Kraemer committed
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
*                                                                              *
* This library is free software; you can redistribute it and/or modify it      *
* under the terms of the GNU Lesser General Public License as published by the *
* Free Software Foundation; either version 2.1 of the License, or (at your     *
* option) any later version.                                                   *
*                                                                              *
* This library is distributed in the hope that it will be useful, but WITHOUT  *
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or        *
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License  *
* for more details.                                                            *
*                                                                              *
* You should have received a copy of the GNU Lesser General Public License     *
* along with this library; if not, write to the Free Software Foundation,      *
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA.           *
*                                                                              *
20
* Web site: http://cgogn.u-strasbg.fr/                                         *
Pierre Kraemer's avatar
Pierre Kraemer committed
21
22
23
24
25
26
27
* Contact information: cgogn@unistra.fr                                        *
*                                                                              *
*******************************************************************************/

#include "Geometry/vector_gen.h"
#include "Topology/generic/autoAttributeHandler.h"
#include "Topology/generic/dartmarker.h"
28
29
30
#include "Topology/generic/parameters.h"

#include "Topology/map/embeddedMap2.h"
31
#include "Topology/gmap/embeddedGMap2.h"
Pierre Kraemer's avatar
Pierre Kraemer committed
32
33
34
35
36
37
38

namespace CGoGN
{
namespace Algo
{
namespace Render
{
Sylvain Thery's avatar
Sylvain Thery committed
39
namespace GL2
Pierre Kraemer's avatar
Pierre Kraemer committed
40
41
{

42

Pierre Kraemer's avatar
Pierre Kraemer committed
43
template<typename PFP>
44
void TopoRender::updateData(typename PFP::MAP& map, const typename PFP::TVEC3& positions, float ke, float kf, const FunctorSelect& good)
Pierre Kraemer's avatar
Pierre Kraemer committed
45
{
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
	Map2* ptrMap2 = dynamic_cast<Map2*>(&map);
	if (ptrMap2 != NULL)
	{
		updateDataMap<PFP>(map,positions,ke,kf,good);
	}
	GMap2* ptrGMap2 = dynamic_cast<GMap2*>(&map);
	if (ptrGMap2 != NULL)
	{
		updateDataGMap<PFP>(map,positions,ke,kf,good);
	}
}

template<typename PFP>
//void TopoRenderMapD::updateData(typename PFP::MAP& map, const typename PFP::TVEC3& positions, float ke, float kf, const FunctorSelect& good)
void TopoRender::updateDataMap(typename PFP::MAP& mapx, const typename PFP::TVEC3& positions, float ke, float kf, const FunctorSelect& good)
{
	Map2& map = reinterpret_cast<Map2&>(mapx);

Pierre Kraemer's avatar
Pierre Kraemer committed
64
65
66
67
	typedef typename PFP::VEC3 VEC3;
	typedef typename PFP::REAL REAL;

	std::vector<Dart> vecDarts;
68
	vecDarts.reserve(map.getNbDarts());  // no problem dart is int: no problem of memory
Pierre Kraemer's avatar
Pierre Kraemer committed
69
70
71

	if (m_attIndex.map() != &map)
	{
72
		m_attIndex  = map.template addAttribute<unsigned int>(DART, "dart_index");
Pierre Kraemer's avatar
Pierre Kraemer committed
73
74
75
76
77
78
79
	}

	for(Dart d = map.begin(); d!= map.end(); map.next(d))
	{
		if (good(d))
		{
			vecDarts.push_back(d);
80
			m_attIndex[d] = (vecDarts.size()-1)*2;
Pierre Kraemer's avatar
Pierre Kraemer committed
81
82
83
84
85
		}
	}
	m_nbDarts = vecDarts.size();

	// debut phi1
86
	AutoAttributeHandler<VEC3> fv1(map, DART);
Pierre Kraemer's avatar
Pierre Kraemer committed
87
	// fin phi1
88
	AutoAttributeHandler<VEC3> fv11(map, DART);
Pierre Kraemer's avatar
Pierre Kraemer committed
89
	// phi2
90
	AutoAttributeHandler<VEC3> fv2(map, DART);
Pierre Kraemer's avatar
Pierre Kraemer committed
91

92
93
94
	m_vbo3->bind();
	glBufferData(GL_ARRAY_BUFFER, 2*m_nbDarts*sizeof(VEC3), 0, GL_STREAM_DRAW);
	GLvoid* ColorDartsBuffer = glMapBuffer(GL_ARRAY_BUFFER, GL_READ_WRITE);
Pierre Kraemer's avatar
Pierre Kraemer committed
95
96
	VEC3* colorDartBuf = reinterpret_cast<VEC3*>(ColorDartsBuffer);

97
98
99
	m_vbo0->bind();
	glBufferData(GL_ARRAY_BUFFER, 2*m_nbDarts*sizeof(VEC3), 0, GL_STREAM_DRAW);
	GLvoid* PositionDartsBuffer = glMapBuffer(GL_ARRAY_BUFFER, GL_READ_WRITE);
Pierre Kraemer's avatar
Pierre Kraemer committed
100
101
	VEC3* positionDartBuf = reinterpret_cast<VEC3*>(PositionDartsBuffer);

102
103
104
	std::vector<VEC3> vecPos;
	vecPos.reserve(16);

Pierre Kraemer's avatar
Pierre Kraemer committed
105
106
107
108
109
110
111
	DartMarker mf(map);
	for(std::vector<Dart>::iterator id = vecDarts.begin(); id!= vecDarts.end(); id++)
	{
		Dart d = *id;
		if (!mf.isMarked(d))
		{

112
			vecPos.clear();
Pierre Kraemer's avatar
Pierre Kraemer committed
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
			// store the face & center
			VEC3 center(0.0f,0.0f,0.0f);
			Dart dd = d;
			do
			{
				const VEC3& P = positions[d];
				vecPos.push_back(P);
				center += P;
				d = map.phi1(d);
			} while (d != dd);
			center /= REAL(vecPos.size());

			//shrink the face
			unsigned int nb = vecPos.size();
			float k = 1.0f - kf;
			for (unsigned int i = 0; i < nb; ++i)
			{
				vecPos[i] = center*k + vecPos[i]*kf;
			}
			vecPos.push_back(vecPos.front()); // copy the first for easy computation on next loop

			k = 1.0f - ke;
			for (unsigned int i = 0; i < nb; ++i)
			{
				VEC3 P = vecPos[i]*ke + vecPos[i+1]*k;
				VEC3 Q = vecPos[i+1]*ke + vecPos[i]*k;

				*positionDartBuf++ = P;
				*positionDartBuf++ = Q;
				*colorDartBuf++ = VEC3(1.,1.,1.);
				*colorDartBuf++ = VEC3(1.,1.,1.);

				VEC3 f = P*0.5f + Q*0.5f;
				fv2[d] = f;
				f = P*0.1f + Q*0.9f;
				fv1[d] = f;
				f = P*0.9f + Q*0.1f;
				fv11[d] = f;
				d = map.phi1(d);
			}
153
			mf.markOrbit(FACE, d);
Pierre Kraemer's avatar
Pierre Kraemer committed
154
155
156
		}
	}

157
158
	m_vbo0->bind();
	glUnmapBuffer(GL_ARRAY_BUFFER);
Pierre Kraemer's avatar
Pierre Kraemer committed
159

160
161
	m_vbo3->bind();
	glUnmapBuffer(GL_ARRAY_BUFFER);
Pierre Kraemer's avatar
Pierre Kraemer committed
162

163
164
165
	m_vbo1->bind();
	glBufferData(GL_ARRAY_BUFFER, 2*m_nbDarts*sizeof(typename PFP::VEC3), 0, GL_STREAM_DRAW);
	GLvoid* PositionBuffer1 = glMapBuffer(GL_ARRAY_BUFFER, GL_READ_WRITE);
Pierre Kraemer's avatar
Pierre Kraemer committed
166

167
168
169
	m_vbo2->bind();
	glBufferData(GL_ARRAY_BUFFER, 2*m_nbDarts*sizeof(typename PFP::VEC3), 0, GL_STREAM_DRAW);
	GLvoid* PositionBuffer2 = glMapBuffer(GL_ARRAY_BUFFER, GL_READ_WRITE);
Pierre Kraemer's avatar
Pierre Kraemer committed
170
171
172
173
174
175
176
177
178
179
180

	VEC3* positionF1 = reinterpret_cast<VEC3*>(PositionBuffer1);
	VEC3* positionF2 = reinterpret_cast<VEC3*>(PositionBuffer2);

	m_nbRel2 =0;

	for(std::vector<Dart>::iterator id = vecDarts.begin(); id!= vecDarts.end(); id++)
	{
		Dart d = *id;

		Dart e = map.phi2(d);
181
182

		if (good(e) && (e.index > d.index))
Pierre Kraemer's avatar
Pierre Kraemer committed
183
184
185
186
187
188
189
190
191
192
193
		{
			*positionF2++ = fv2[d];
			*positionF2++ = fv2[e];
			m_nbRel2++;
		}

		e = map.phi1(d);
		*positionF1++ = fv1[d];
		*positionF1++ = fv11[e];
	}

194
195
196
197
198
	m_vbo1->bind();
	glUnmapBuffer(GL_ARRAY_BUFFER);

	m_vbo2->bind();
	glUnmapBuffer(GL_ARRAY_BUFFER);
Pierre Kraemer's avatar
Pierre Kraemer committed
199
200
201

}

202

Pierre Kraemer's avatar
Pierre Kraemer committed
203
template<typename PFP>
204
205
//void TopoRenderGMap::updateData(typename PFP::MAP& map, const typename PFP::TVEC3& positions, float ke, float kf, const FunctorSelect& good)
void TopoRender::updateDataGMap(typename PFP::MAP& mapx, const typename PFP::TVEC3& positions, float ke, float kf, const FunctorSelect& good)
Pierre Kraemer's avatar
Pierre Kraemer committed
206
{
207
208
	GMap2& map = reinterpret_cast<GMap2&>(mapx);

Pierre Kraemer's avatar
Pierre Kraemer committed
209
210
211
212
	typedef typename PFP::VEC3 VEC3;
	typedef typename PFP::REAL REAL;

	std::vector<Dart> vecDarts;
213
	vecDarts.reserve(map.getNbDarts()); // no problem dart is int: no problem of memory
Pierre Kraemer's avatar
Pierre Kraemer committed
214
215
216

	if (m_attIndex.map() != &map)
	{
217
		m_attIndex  = map.template addAttribute<unsigned int>(DART, "dart_index");
Pierre Kraemer's avatar
Pierre Kraemer committed
218
219
220
221
222
223
224
	}

	for(Dart d = map.begin(); d!= map.end(); map.next(d))
	{
		if (good(d))
		{
			vecDarts.push_back(d);
225
			m_attIndex[d] = (vecDarts.size()-1)*2;
Pierre Kraemer's avatar
Pierre Kraemer committed
226
227
228
229
		}
	}
	m_nbDarts = vecDarts.size();

230
	// debut phi1
231
	AutoAttributeHandler<VEC3> fv1(map, DART);
232
233
234
	// fin phi1
	AutoAttributeHandler<VEC3> fv11(map, DART);
	// phi2
235
	AutoAttributeHandler<VEC3> fv2(map, DART);
236
237
238
239

	m_vbo3->bind();
	glBufferData(GL_ARRAY_BUFFER, 4*m_nbDarts*sizeof(VEC3), 0, GL_STREAM_DRAW);
	GLvoid* ColorDartsBuffer = glMapBuffer(GL_ARRAY_BUFFER, GL_READ_WRITE);
Pierre Kraemer's avatar
Pierre Kraemer committed
240
241
	VEC3* colorDartBuf = reinterpret_cast<VEC3*>(ColorDartsBuffer);

242
243
244
	m_vbo0->bind();
	glBufferData(GL_ARRAY_BUFFER, 4*m_nbDarts*sizeof(VEC3), 0, GL_STREAM_DRAW);
	GLvoid* PositionDartsBuffer = glMapBuffer(GL_ARRAY_BUFFER, GL_READ_WRITE);
Pierre Kraemer's avatar
Pierre Kraemer committed
245
	VEC3* positionDartBuf = reinterpret_cast<VEC3*>(PositionDartsBuffer);
246

247
248
249

	std::vector<VEC3> vecPos;
	vecPos.reserve(16);
Pierre Kraemer's avatar
Pierre Kraemer committed
250
251
252
253
254

	DartMarker mf(map);
	for(std::vector<Dart>::iterator id = vecDarts.begin(); id!= vecDarts.end(); id++)
	{
		Dart d = *id;
255

Pierre Kraemer's avatar
Pierre Kraemer committed
256
257
		if (!mf.isMarked(d))
		{
258
			vecPos.clear();
Pierre Kraemer's avatar
Pierre Kraemer committed
259
260
261
262
263
264
265
			// store the face & center
			VEC3 center(0.0f,0.0f,0.0f);
			Dart dd = d;
			do
			{
				const VEC3& P = positions[d];
				vecPos.push_back(P);
266
				center += P;
Pierre Kraemer's avatar
Pierre Kraemer committed
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
				d = map.phi1(d);
			} while (d != dd);
			center /= REAL(vecPos.size());

			//shrink the face
			unsigned int nb = vecPos.size();
			float k = 1.0f - kf;
			for (unsigned int i = 0; i < nb; ++i)
			{
				vecPos[i] = center*k + vecPos[i]*kf;
			}
			vecPos.push_back(vecPos.front()); // copy the first for easy computation on next loop

			k = 1.0f - ke;
			for (unsigned int i = 0; i < nb; ++i)
			{
				VEC3 P = vecPos[i]*ke + vecPos[i+1]*k;
				VEC3 Q = vecPos[i+1]*ke + vecPos[i]*k;
				VEC3 PP = REAL(0.52)*P + REAL(0.48)*Q;
				VEC3 QQ = REAL(0.52)*Q + REAL(0.48)*P;

				*positionDartBuf++ = P;
				*colorDartBuf++ = VEC3(1.,1.,1.);
290
				*positionDartBuf++ = PP;
Pierre Kraemer's avatar
Pierre Kraemer committed
291
292
293
				*colorDartBuf++ = VEC3(1.,1.,1.);
				*positionDartBuf++ = Q;
				*colorDartBuf++ = VEC3(1.,1.,1.);
294
				*positionDartBuf++ = QQ;
Pierre Kraemer's avatar
Pierre Kraemer committed
295
296
				*colorDartBuf++ = VEC3(1.,1.,1.);

297
				VEC3 f = P*0.5f + PP*0.5f;
Pierre Kraemer's avatar
Pierre Kraemer committed
298
				fv2[d] = f;
299
				f = P*0.9f + PP*0.1f;
Pierre Kraemer's avatar
Pierre Kraemer committed
300
301
				fv1[d] = f;

302
303
304
305
306
307
				dd = map.beta0(d);
				f = Q*0.5f + QQ*0.5f;
				fv2[dd] = f;
				f = Q*0.9f + QQ*0.1f;
				fv1[dd] = f;

Pierre Kraemer's avatar
Pierre Kraemer committed
308
309
				d = map.phi1(d);
			}
310
			mf.markOrbit(FACE, d);
Pierre Kraemer's avatar
Pierre Kraemer committed
311
312
313
		}
	}

314
315
	m_vbo0->bind();
	glUnmapBuffer(GL_ARRAY_BUFFER);
Pierre Kraemer's avatar
Pierre Kraemer committed
316

317
318
	m_vbo3->bind();
	glUnmapBuffer(GL_ARRAY_BUFFER);
Pierre Kraemer's avatar
Pierre Kraemer committed
319

320
321
322
	m_vbo1->bind();
	glBufferData(GL_ARRAY_BUFFER, 2*m_nbDarts*sizeof(typename PFP::VEC3), 0, GL_STREAM_DRAW);
	GLvoid* PositionBuffer1 = glMapBuffer(GL_ARRAY_BUFFER, GL_READ_WRITE);
Pierre Kraemer's avatar
Pierre Kraemer committed
323

324
325
326
	m_vbo2->bind();
	glBufferData(GL_ARRAY_BUFFER, 2*m_nbDarts*sizeof(typename PFP::VEC3), 0, GL_STREAM_DRAW);
	GLvoid* PositionBuffer2 = glMapBuffer(GL_ARRAY_BUFFER, GL_READ_WRITE);
Pierre Kraemer's avatar
Pierre Kraemer committed
327
328
329
330

	VEC3* positionF1 = reinterpret_cast<VEC3*>(PositionBuffer1);
	VEC3* positionF2 = reinterpret_cast<VEC3*>(PositionBuffer2);

331
	m_nbRel2 =0;
Pierre Kraemer's avatar
Pierre Kraemer committed
332
333
334
335
336
337

	for(std::vector<Dart>::iterator id = vecDarts.begin(); id!= vecDarts.end(); id++)
	{
		Dart d = *id;

		Dart e = map.beta2(d);
338
339

		if (good(e) && (e.index > d.index))
Pierre Kraemer's avatar
Pierre Kraemer committed
340
341
342
343
344
345
346
347
348
349
350
		{
			*positionF2++ = fv2[d];
			*positionF2++ = fv2[e];
			m_nbRel2++;
		}

		e = map.beta1(d);
		*positionF1++ = fv1[d];
		*positionF1++ = fv1[e];
	}

351
352
353
354
355
	m_vbo1->bind();
	glUnmapBuffer(GL_ARRAY_BUFFER);

	m_vbo2->bind();
	glUnmapBuffer(GL_ARRAY_BUFFER);
Pierre Kraemer's avatar
Pierre Kraemer committed
356
357
358

}

Sylvain Thery's avatar
Sylvain Thery committed
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385

template<typename PFP>
void TopoRender::setDartsIdColor(typename PFP::MAP& map, const FunctorSelect& good)
{

	m_vbo3->bind();
	float* colorBuffer =  reinterpret_cast<float*>(glMapBuffer(GL_ARRAY_BUFFER, GL_READ_WRITE));
	unsigned int nb=0;

	for (Dart d = map.begin(); d != map.end(); map.next(d))
	{
		if (nb < m_nbDarts)
		{
			if (good(d))
			{
				float r,g,b;
				dartToCol(d, r,g,b);
				float* local = colorBuffer+3*m_attIndex[d]; // get the right position in VBO
				*local++ = r;
				*local++ = g;
				*local++ = b;
				*local++ = r;
				*local++ = g;
				*local++ = b;

				nb++;
			}
386
387
388
389
390
			else
			{
				CGoGNerr << "Error buffer too small for color picking (change the good parameter ?)" << CGoGNendl;
				break;
			}
Sylvain Thery's avatar
Sylvain Thery committed
391
		}
392

Sylvain Thery's avatar
Sylvain Thery committed
393
394
395
396
397
	}
	glUnmapBuffer(GL_ARRAY_BUFFER);
}

template<typename PFP>
398
Dart TopoRender::picking(typename PFP::MAP& map,int x, int y, const FunctorSelect& good)
Sylvain Thery's avatar
Sylvain Thery committed
399
400
401
402
403
404
405
406
407
408
{
	pushColors();
	setDartsIdColor<PFP>(map,good);
	Dart d = pickColor(x,y);
	popColors();
	return d;

}


Sylvain Thery's avatar
Sylvain Thery committed
409
}//end namespace GL2
Pierre Kraemer's avatar
Pierre Kraemer committed
410
411
412
413
414
415

}//end namespace Algo

}//end namespace Render

}//end namespace CGoGN