topoRender.hpp 11.2 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 80 81 82
	}

	for(Dart d = map.begin(); d!= map.end(); map.next(d))
	{
		if (good(d))
			vecDarts.push_back(d);
	}
	m_nbDarts = vecDarts.size();

	// debut phi1
83
	AutoAttributeHandler<VEC3> fv1(map, DART);
Pierre Kraemer's avatar
Pierre Kraemer committed
84
	// fin phi1
85
	AutoAttributeHandler<VEC3> fv11(map, DART);
Pierre Kraemer's avatar
Pierre Kraemer committed
86
	// phi2
87
	AutoAttributeHandler<VEC3> fv2(map, DART);
Pierre Kraemer's avatar
Pierre Kraemer committed
88

89 90 91
	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
92 93
	VEC3* colorDartBuf = reinterpret_cast<VEC3*>(ColorDartsBuffer);

94 95 96
	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
97 98
	VEC3* positionDartBuf = reinterpret_cast<VEC3*>(PositionDartsBuffer);

99 100 101
	std::vector<VEC3> vecPos;
	vecPos.reserve(16);

102 103
	unsigned int indexDC=0;

Pierre Kraemer's avatar
Pierre Kraemer committed
104 105 106 107 108 109 110
	DartMarker mf(map);
	for(std::vector<Dart>::iterator id = vecDarts.begin(); id!= vecDarts.end(); id++)
	{
		Dart d = *id;
		if (!mf.isMarked(d))
		{

111
			vecPos.clear();
Pierre Kraemer's avatar
Pierre Kraemer committed
112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138
			// 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;

139 140
				m_attIndex[d] = indexDC;
				indexDC+=2;
Pierre Kraemer's avatar
Pierre Kraemer committed
141
				*positionDartBuf++ = P;
142
				*colorDartBuf++ = VEC3(1.,0.,0.);
Pierre Kraemer's avatar
Pierre Kraemer committed
143 144 145 146 147 148 149 150 151 152
				*positionDartBuf++ = Q;
				*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
218 219 220 221 222 223 224 225 226
	}

	for(Dart d = map.begin(); d!= map.end(); map.next(d))
	{
		if (good(d))
			vecDarts.push_back(d);
	}
	m_nbDarts = vecDarts.size();

227
	// debut phi1
228
	AutoAttributeHandler<VEC3> fv1(map, DART);
229 230 231
	// fin phi1
	AutoAttributeHandler<VEC3> fv11(map, DART);
	// phi2
232
	AutoAttributeHandler<VEC3> fv2(map, DART);
233 234 235 236

	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
237 238
	VEC3* colorDartBuf = reinterpret_cast<VEC3*>(ColorDartsBuffer);

239 240 241
	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
242
	VEC3* positionDartBuf = reinterpret_cast<VEC3*>(PositionDartsBuffer);
243

244 245 246

	std::vector<VEC3> vecPos;
	vecPos.reserve(16);
Pierre Kraemer's avatar
Pierre Kraemer committed
247

248 249
	unsigned int indexDC=0;

Pierre Kraemer's avatar
Pierre Kraemer committed
250 251 252 253
	DartMarker mf(map);
	for(std::vector<Dart>::iterator id = vecDarts.begin(); id!= vecDarts.end(); id++)
	{
		Dart d = *id;
254

Pierre Kraemer's avatar
Pierre Kraemer committed
255 256
		if (!mf.isMarked(d))
		{
257
			vecPos.clear();
Pierre Kraemer's avatar
Pierre Kraemer committed
258 259 260 261 262 263 264
			// 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);
265
				center += P;
Pierre Kraemer's avatar
Pierre Kraemer committed
266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286
				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;

287 288
				m_attIndex[d] = indexDC;
				indexDC+=2;
Pierre Kraemer's avatar
Pierre Kraemer committed
289 290
				*positionDartBuf++ = P;
				*colorDartBuf++ = VEC3(1.,1.,1.);
291
				*positionDartBuf++ = PP;
Pierre Kraemer's avatar
Pierre Kraemer committed
292 293 294
				*colorDartBuf++ = VEC3(1.,1.,1.);
				*positionDartBuf++ = Q;
				*colorDartBuf++ = VEC3(1.,1.,1.);
295
				*positionDartBuf++ = QQ;
Pierre Kraemer's avatar
Pierre Kraemer committed
296 297
				*colorDartBuf++ = VEC3(1.,1.,1.);

298
				VEC3 f = P*0.5f + PP*0.5f;
Pierre Kraemer's avatar
Pierre Kraemer committed
299
				fv2[d] = f;
300
				f = P*0.9f + PP*0.1f;
Pierre Kraemer's avatar
Pierre Kraemer committed
301 302
				fv1[d] = f;

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;
308 309 310
				m_attIndex[dd] = indexDC;
				indexDC+=2;

311

Pierre Kraemer's avatar
Pierre Kraemer committed
312 313
				d = map.phi1(d);
			}
314
			mf.markOrbit(FACE, d);
Pierre Kraemer's avatar
Pierre Kraemer committed
315 316 317
		}
	}

318 319
	m_vbo0->bind();
	glUnmapBuffer(GL_ARRAY_BUFFER);
Pierre Kraemer's avatar
Pierre Kraemer committed
320

321 322
	m_vbo3->bind();
	glUnmapBuffer(GL_ARRAY_BUFFER);
Pierre Kraemer's avatar
Pierre Kraemer committed
323

324 325 326
	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
327

328 329 330
	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
331 332 333 334

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

335
	m_nbRel2 =0;
Pierre Kraemer's avatar
Pierre Kraemer committed
336 337 338 339 340 341

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

		Dart e = map.beta2(d);
342 343

		if (good(e) && (e.index > d.index))
Pierre Kraemer's avatar
Pierre Kraemer committed
344 345 346 347 348 349 350 351 352 353 354
		{
			*positionF2++ = fv2[d];
			*positionF2++ = fv2[e];
			m_nbRel2++;
		}

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

355 356 357 358 359
	m_vbo1->bind();
	glUnmapBuffer(GL_ARRAY_BUFFER);

	m_vbo2->bind();
	glUnmapBuffer(GL_ARRAY_BUFFER);
Pierre Kraemer's avatar
Pierre Kraemer committed
360 361 362

}

Sylvain Thery's avatar
Sylvain Thery committed
363 364 365 366 367 368 369 370 371 372 373

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))
	{
374
		if (good(d))
Sylvain Thery's avatar
Sylvain Thery committed
375
		{
376
			if (nb < m_nbDarts)
Sylvain Thery's avatar
Sylvain Thery committed
377 378 379 380 381 382 383 384 385 386 387 388
			{
				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++;
			}
389 390 391 392 393
			else
			{
				CGoGNerr << "Error buffer too small for color picking (change the good parameter ?)" << CGoGNendl;
				break;
			}
Sylvain Thery's avatar
Sylvain Thery committed
394 395 396 397 398 399
		}
	}
	glUnmapBuffer(GL_ARRAY_BUFFER);
}

template<typename PFP>
400
Dart TopoRender::picking(typename PFP::MAP& map,int x, int y, const FunctorSelect& good)
Sylvain Thery's avatar
Sylvain Thery committed
401 402 403 404 405 406 407 408 409 410
{
	pushColors();
	setDartsIdColor<PFP>(map,good);
	Dart d = pickColor(x,y);
	popColors();
	return d;

}


Sylvain Thery's avatar
Sylvain Thery committed
411
}//end namespace GL2
Pierre Kraemer's avatar
Pierre Kraemer committed
412 413 414 415 416 417

}//end namespace Algo

}//end namespace Render

}//end namespace CGoGN