Création d'un compte pour un collaborateur extérieur au laboratoire depuis l'intranet ICube : https://intranet.icube.unistra.fr/fr/labs/member/profile

GLSLShader.cpp 26.8 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
* Contact information: cgogn@unistra.fr                                        *
*                                                                              *
*******************************************************************************/
Pierre Kraemer's avatar
merge..    
Pierre Kraemer committed
24

Pierre Kraemer's avatar
Pierre Kraemer committed
25
26
27
28
29
#define EXPORTING 1

#include "Utils/GLSLShader.h"
#include <iostream>
#include <fstream>
30
#include <vector>
31
#include "Utils/cgognStream.h"
Pierre Kraemer's avatar
Pierre Kraemer committed
32

Sylvain Thery's avatar
Sylvain Thery committed
33
34
#include "glm/gtx/inverse_transpose.hpp"

Pierre Kraemer's avatar
Pierre Kraemer committed
35
36
37
38
39
namespace CGoGN
{

namespace Utils
{
Pierre Kraemer's avatar
merge..    
Pierre Kraemer committed
40
41

unsigned int GLSLShader::CURRENT_OGL_VERSION = 2;
Sylvain Thery's avatar
Sylvain Thery committed
42
43
44

std::string GLSLShader::DEFINES_GL2=\
"#version 110\n"
45
"#define PRECISON float pipo_PRECISION\n"
Sylvain Thery's avatar
Sylvain Thery committed
46
47
48
"#define ATTRIBUTE attribute\n"
"#define VARYING_VERT varying\n"
"#define VARYING_FRAG varying\n"
49
50
"#define FRAG_OUT_DEF float pipo_FRAGDEF\n"
"#define INVARIANT_POS float pipo_INVARIANT\n";
Sylvain Thery's avatar
Sylvain Thery committed
51

Pierre Kraemer's avatar
Pierre Kraemer committed
52

Sylvain Thery's avatar
Sylvain Thery committed
53
std::string GLSLShader::DEFINES_GL3=\
54
"#version 150\n"
55
"#define PRECISON precision highp float\n"
Sylvain Thery's avatar
Sylvain Thery committed
56
57
58
59
"#define ATTRIBUTE in\n"
"#define VARYING_VERT smooth out\n"
"#define VARYING_FRAG smooth in\n"
"#define FRAG_OUT_DEF out vec4 gl_FragColor\n"
60
"#define INVARIANT_POS invariant gl_Position\n";
Sylvain Thery's avatar
Sylvain Thery committed
61

Pierre Kraemer's avatar
merge..    
Pierre Kraemer committed
62
63

std::string* GLSLShader::DEFINES_GL = NULL;
64
65
66

std::vector<std::string> GLSLShader::m_pathes;

Pierre Kraemer's avatar
merge..    
Pierre Kraemer committed
67
68
69
std::set< std::pair<void*, GLSLShader*> > GLSLShader::m_registeredShaders;


70
71
72
//glm::mat4* GLSLShader::s_current_matrices=NULL;
Utils::GL_Matrices* GLSLShader::s_current_matrices=NULL;

Pierre Kraemer's avatar
merge..    
Pierre Kraemer committed
73
74
75
76
77
78
79
80
81
82
83
84
GLSLShader::GLSLShader() :
	m_vertex_shader_object(0),
	m_fragment_shader_object(0),
	m_geom_shader_object(0),
	m_program_object(0),
	m_uniMat_Proj(-1),
	m_uniMat_Model(-1),
	m_uniMat_ModelProj(-1),
	m_uniMat_Normal(-1),
	m_vertex_shader_source(NULL),
	m_fragment_shader_source(NULL),
	m_geom_shader_source(NULL)
Pierre Kraemer's avatar
Pierre Kraemer committed
85
{
Pierre Kraemer's avatar
merge..    
Pierre Kraemer committed
86
	if (DEFINES_GL == NULL)
Sylvain Thery's avatar
Sylvain Thery committed
87
		DEFINES_GL = &DEFINES_GL3;
Pierre Kraemer's avatar
Pierre Kraemer committed
88
89
}

Pierre Kraemer's avatar
merge..    
Pierre Kraemer committed
90
void GLSLShader::registerShader(void* ptr, GLSLShader* shader)
91
{
Pierre Kraemer's avatar
merge..    
Pierre Kraemer committed
92
	m_registeredShaders.insert(std::pair<void*,GLSLShader*>(ptr, shader));
93
94
}

Pierre Kraemer's avatar
merge..    
Pierre Kraemer committed
95
void GLSLShader::unregisterShader(void* ptr, GLSLShader* shader)
96
{
Pierre Kraemer's avatar
merge..    
Pierre Kraemer committed
97
	m_registeredShaders.erase(std::pair<void*,GLSLShader*>(ptr, shader));
98
99
100
101
}

std::string GLSLShader::defines_Geom(const std::string& primitivesIn, const std::string& primitivesOut, int maxVert)
{
Pierre Kraemer's avatar
merge..    
Pierre Kraemer committed
102
	if (CURRENT_OGL_VERSION == 3)
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
	{
		std::string str("#version 150\n");
		str.append("precision highp float;\n");
		str.append("layout (");
		str.append(primitivesIn);
		str.append(") in;\n");

		str.append("layout (");
		str.append(primitivesOut);
		str.append(", max_vertices = ");
		std::stringstream ss;
		ss << maxVert;
		str.append(ss.str());
		str.append(") out;\n");
		str.append("#define VARYING_IN in\n");
		str.append("#define VARYING_OUT smooth out\n");
		str.append("#define POSITION_IN(X) gl_in[X].gl_Position\n");
120
		str.append("#define NBVERTS_IN gl_in.length()\n");
121
122
123
124
125
126
127
128
129
130
		return str;
	}
	else
	{
		std::string str("#extension GL_EXT_geometry_shader4 : enable\n");
		str.append("#define PRECISION\n");
		str.append("#define ATTRIBUTE attribute\n");
		str.append("#define VARYING_IN varying in\n");
		str.append("#define VARYING_OUT varying out\n");
		str.append("#define POSITION_IN(X) gl_PositionIn[X]\n");
131
		str.append("#define NBVERTS_IN gl_VerticesIn\n");
132
133
134
135
		return str;
	}
}

Pierre Kraemer's avatar
Pierre Kraemer committed
136
137
bool GLSLShader::areGeometryShadersSupported()
{
Pierre Kraemer's avatar
merge..    
Pierre Kraemer committed
138
139
	if (!glewGetExtension("GL_EXT_geometry_shader4"))
		return false;
Pierre Kraemer's avatar
Pierre Kraemer committed
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
	return true;
}

bool GLSLShader::areShadersSupported()
{
	if ( ! glewGetExtension("GL_ARB_vertex_shader")) return false;
	if ( ! glewGetExtension("GL_ARB_fragment_shader")) return false;
	if ( ! glewGetExtension("GL_ARB_shader_objects")) return false;
	if ( ! glewGetExtension("GL_ARB_shading_language_100")) return false;

	return true;
}

bool GLSLShader::areVBOSupported()
{
	if (!glewGetExtension("GL_ARB_vertex_buffer_object"))
		return false;
	return true;
}

Pierre Kraemer's avatar
merge..    
Pierre Kraemer committed
160
char* GLSLShader::loadSourceFile(const std::string& filename)
Pierre Kraemer's avatar
Pierre Kraemer committed
161
162
163
164
165
166
167
168
169
170
{
	std::ifstream	file;
	int				file_size;
	char*			shader_source;

	/*** opening file ***/
	file.open( filename.c_str() , std::ios::in | std::ios::binary );

	if( !file.good() )
	{
171
		CGoGNerr << "ERROR - GLSLShader::loadSourceFile() - unable to open the file " << filename << "." << CGoGNendl;
Pierre Kraemer's avatar
Pierre Kraemer committed
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
		return NULL;
	}

	/*** reading file ***/
	try
	{
		/* get file size */
		file.seekg( 0, std::ios::end );
		file_size = file.tellg();
		file.seekg( 0, std::ios::beg );

		/* allocate shader source table */
		shader_source = new char [ file_size+1 ];

		/* read source file */
		file.read( shader_source, file_size );
		shader_source[ file_size ] = '\0';
	}
	catch( std::exception& io_exception )
	{
192
		CGoGNerr << "ERROR - GLSLShader::loadSourceFile() - " << io_exception.what() << CGoGNendl;
Pierre Kraemer's avatar
Pierre Kraemer committed
193
194
195
196
197
198
199
200
201
202
203
204
		file.close();
		return NULL;
	}

	/*** termination ***/
	file.close();
	return shader_source;
}

bool GLSLShader::loadVertexShader(  const std::string& filename )
{
	bool	flag;
205
//	char	*vertex_shader_source;
Pierre Kraemer's avatar
Pierre Kraemer committed
206

207
208
	if (m_vertex_shader_source)
		delete [] m_vertex_shader_source;
Pierre Kraemer's avatar
Pierre Kraemer committed
209

210
	m_vertex_shader_source = loadSourceFile( filename );
Pierre Kraemer's avatar
Pierre Kraemer committed
211

212
	if( !m_vertex_shader_source )
Pierre Kraemer's avatar
Pierre Kraemer committed
213
	{
214
		CGoGNerr << "ERROR - GLSLShader::loadVertexShader() - error occured while loading source file." << CGoGNendl;
Pierre Kraemer's avatar
Pierre Kraemer committed
215
216
217
218
		return false;
	}


219
220
	flag = loadVertexShaderSourceString( m_vertex_shader_source );
//	delete [] vertex_shader_source;
Pierre Kraemer's avatar
Pierre Kraemer committed
221
222
223
224

	return flag;
}

225
bool GLSLShader::loadFragmentShader(const std::string& filename )
Pierre Kraemer's avatar
Pierre Kraemer committed
226
227
{
	bool	flag;
228
//	char	*fragment_shader_source;
Pierre Kraemer's avatar
Pierre Kraemer committed
229

230
231
	if (m_fragment_shader_source)
		delete [] m_fragment_shader_source;
Pierre Kraemer's avatar
Pierre Kraemer committed
232

233
	m_fragment_shader_source = loadSourceFile( filename );
Pierre Kraemer's avatar
Pierre Kraemer committed
234

235
	if( !m_fragment_shader_source )
Pierre Kraemer's avatar
Pierre Kraemer committed
236
	{
237
		CGoGNerr << "ERROR - GLSLShader::loadFragmentShader() - error occured while loading source file." << CGoGNendl;
Pierre Kraemer's avatar
Pierre Kraemer committed
238
239
240
		return false;
	}

241
242
	flag = loadFragmentShaderSourceString( m_fragment_shader_source );
//	delete [] fragment_shader_source;
Pierre Kraemer's avatar
Pierre Kraemer committed
243
244
245
246
247
248
249
250


	return flag;
}

bool GLSLShader::loadGeometryShader(const std::string& filename )
{
	bool	flag;
251
//	char	*geom_shader_source;
Pierre Kraemer's avatar
Pierre Kraemer committed
252

253
254
	if (m_geom_shader_source)
		delete [] m_geom_shader_source;
Pierre Kraemer's avatar
Pierre Kraemer committed
255

256
	m_geom_shader_source = loadSourceFile( filename );
Pierre Kraemer's avatar
Pierre Kraemer committed
257

258
	if( !m_geom_shader_source )
Pierre Kraemer's avatar
Pierre Kraemer committed
259
	{
260
		CGoGNerr << "ERROR - GLSLShader::loadGeometryShader() - error occured while loading source file." << CGoGNendl;
Pierre Kraemer's avatar
Pierre Kraemer committed
261
262
263
		return false;
	}

264
265
	flag = loadGeometryShaderSourceString( m_geom_shader_source );
//	delete [] geom_shader_source;
Pierre Kraemer's avatar
Pierre Kraemer committed
266
267
268
269
270
271
272
273
274

	return flag;
}

bool GLSLShader::loadVertexShaderSourceString( const char *vertex_shader_source )
{
	int		status;
	char	*info_log;

Sylvain Thery's avatar
Sylvain Thery committed
275
276
277
278
279
	if (m_vertex_shader_object==0)
	{
		glDeleteShader(m_vertex_shader_object);
		m_vertex_shader_object=0;
	}
Pierre Kraemer's avatar
Pierre Kraemer committed
280
281

	/*** create shader object ***/
Sylvain Thery's avatar
Sylvain Thery committed
282
	m_vertex_shader_object = glCreateShader( GL_VERTEX_SHADER );
Pierre Kraemer's avatar
Pierre Kraemer committed
283

284
	if( !m_vertex_shader_object )
Pierre Kraemer's avatar
Pierre Kraemer committed
285
	{
286
		CGoGNerr << "ERROR - GLSLShader::loadVertexShader() - unable to create shader object." << CGoGNendl;
Pierre Kraemer's avatar
Pierre Kraemer committed
287
288
289
290
291
292
		return false;
	}

	/*** load source file ***/
	if( !vertex_shader_source )
	{
293
		CGoGNerr << "ERROR - GLSLShader::loadVertexShader() - source string is empty." << CGoGNendl;
Pierre Kraemer's avatar
Pierre Kraemer committed
294

295
296
		glDeleteObjectARB( m_vertex_shader_object );
		m_vertex_shader_object = 0;
Pierre Kraemer's avatar
Pierre Kraemer committed
297
298
299
300

		return false;
	}

301
	glShaderSourceARB( m_vertex_shader_object, 1, (const char**)&vertex_shader_source, NULL );
Pierre Kraemer's avatar
Pierre Kraemer committed
302
303

	/*** compile shader object ***/
304
	glCompileShaderARB( m_vertex_shader_object );
Pierre Kraemer's avatar
Pierre Kraemer committed
305

306
	glGetObjectParameterivARB( m_vertex_shader_object, GL_OBJECT_COMPILE_STATUS_ARB, &status );
Pierre Kraemer's avatar
Pierre Kraemer committed
307
308
	if( !status )
	{
309
		CGoGNerr << "ERROR - GLshader::loadVertexShader() - error occured while compiling shader " << m_nameVS<< CGoGNendl;
310
		info_log = getInfoLog( m_vertex_shader_object );
311
				CGoGNerr << info_log << CGoGNendl;
Pierre Kraemer's avatar
Pierre Kraemer committed
312
313
		delete [] info_log;

314
315
		glDeleteObjectARB( m_vertex_shader_object );
		m_vertex_shader_object = 0;
Pierre Kraemer's avatar
Pierre Kraemer committed
316
317
318
319
320
321
322
323

		return false;
	}

	/*** termination ***/
	return true;
}

324
bool GLSLShader::loadFragmentShaderSourceString( const char *fragment_shader_source )
Pierre Kraemer's avatar
Pierre Kraemer committed
325
326
327
328
{
	int		status;
	char	*info_log;

Sylvain Thery's avatar
Sylvain Thery committed
329
330
331
332
333
	if (m_fragment_shader_object==0)
	{
		glDeleteShader(m_fragment_shader_object);
		m_fragment_shader_object=0;
	}
Pierre Kraemer's avatar
Pierre Kraemer committed
334
335

	/*** create shader object ***/
Sylvain Thery's avatar
Sylvain Thery committed
336
	m_fragment_shader_object = glCreateShader( GL_FRAGMENT_SHADER );
Pierre Kraemer's avatar
Pierre Kraemer committed
337

338
	if( !m_fragment_shader_object )
Pierre Kraemer's avatar
Pierre Kraemer committed
339
	{
340
		CGoGNerr << "ERROR - GLSLShader::loadFragmentShader() - unable to create shader object." << CGoGNendl;
Pierre Kraemer's avatar
Pierre Kraemer committed
341
342
343
344
		return false;
	}

	/*** load source file ***/
345
	if( !fragment_shader_source )
Pierre Kraemer's avatar
Pierre Kraemer committed
346
	{
347
		CGoGNerr << "ERROR - GLSLShader::loadFragmentShader() - source string is empty." << CGoGNendl;
Pierre Kraemer's avatar
Pierre Kraemer committed
348

349
350
		glDeleteObjectARB( m_fragment_shader_object );
		m_fragment_shader_object = 0;
Pierre Kraemer's avatar
Pierre Kraemer committed
351
352
353
354

		return false;
	}

355
	glShaderSourceARB( m_fragment_shader_object, 1, (const char**)&fragment_shader_source, NULL );
Pierre Kraemer's avatar
Pierre Kraemer committed
356
357

	/*** compile shader object ***/
358
	glCompileShaderARB( m_fragment_shader_object );
Pierre Kraemer's avatar
Pierre Kraemer committed
359

360
	glGetObjectParameterivARB( m_fragment_shader_object, GL_OBJECT_COMPILE_STATUS_ARB, &status );
Pierre Kraemer's avatar
Pierre Kraemer committed
361
362
	if( !status )
	{
363
		CGoGNerr << "ERROR - GLshader::loadFragmentShader() - error occured while compiling shader " <<  m_nameFS << CGoGNendl;
364
		info_log = getInfoLog( m_fragment_shader_object );
365
		CGoGNerr << info_log << CGoGNendl;
Pierre Kraemer's avatar
Pierre Kraemer committed
366
367
		delete [] info_log;

368
369
		glDeleteObjectARB( m_fragment_shader_object );
		m_fragment_shader_object = 0;
Pierre Kraemer's avatar
Pierre Kraemer committed
370
371
372
373
374
375
376
377
378
379
380
381
382

		return false;
	}

	/*** termination ***/
	return true;
}

bool GLSLShader::loadGeometryShaderSourceString( const char *geom_shader_source )
{
	int		status;
	char	*info_log;

Sylvain Thery's avatar
Sylvain Thery committed
383
384
385
386
387
	if (m_geom_shader_object==0)
	{
		glDeleteShader(m_geom_shader_object);
		m_geom_shader_object=0;
	}
Pierre Kraemer's avatar
Pierre Kraemer committed
388
	/*** create shader object ***/
389
	m_geom_shader_object = glCreateShader(GL_GEOMETRY_SHADER_EXT);
Pierre Kraemer's avatar
Pierre Kraemer committed
390

391
	if( !m_geom_shader_object )
Pierre Kraemer's avatar
Pierre Kraemer committed
392
	{
393
		CGoGNerr << "ERROR - GLSLShader::loadGeometryShader() - unable to create shader object." << CGoGNendl;
Pierre Kraemer's avatar
Pierre Kraemer committed
394
395
396
397
398
399
		return false;
	}

	/*** load source file ***/
	if( !geom_shader_source )
	{
400
		CGoGNerr << "ERROR - GLSLShader::loadGeometryShader() - source string is empty." << CGoGNendl;
Pierre Kraemer's avatar
Pierre Kraemer committed
401

402
403
		glDeleteObjectARB( m_geom_shader_object );
		m_geom_shader_object = 0;
Pierre Kraemer's avatar
Pierre Kraemer committed
404
405
406
407

		return false;
	}

408
	glShaderSourceARB( m_geom_shader_object, 1, (const char**)&geom_shader_source, NULL );
Pierre Kraemer's avatar
Pierre Kraemer committed
409
410

	/*** compile shader object ***/
411
	glCompileShaderARB( m_geom_shader_object );
Pierre Kraemer's avatar
Pierre Kraemer committed
412

413
	glGetObjectParameterivARB( m_geom_shader_object, GL_OBJECT_COMPILE_STATUS_ARB, &status );
Pierre Kraemer's avatar
Pierre Kraemer committed
414
415
	if( !status )
	{
416
		CGoGNerr << "ERROR - GLshader::loadGeometryShader() - error occured while compiling shader "<< m_nameGS << CGoGNendl;
417
		info_log = getInfoLog( m_geom_shader_object );
418
		CGoGNerr << info_log << CGoGNendl;
Pierre Kraemer's avatar
Pierre Kraemer committed
419
420
		delete [] info_log;

421
422
		glDeleteObjectARB( m_geom_shader_object );
		m_geom_shader_object = 0;
Pierre Kraemer's avatar
Pierre Kraemer committed
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444

		return false;
	}

	/*** termination ***/
	return true;
}

char* GLSLShader::getInfoLog( GLhandleARB obj )
{
	char	*info_log;
	int		info_log_length;
	int		length;

	glGetObjectParameterivARB( obj, GL_OBJECT_INFO_LOG_LENGTH_ARB, &info_log_length );

	info_log = new char [info_log_length];
	glGetInfoLogARB( obj, info_log_length, &length, info_log );

	return info_log;
}

Sylvain Thery's avatar
Sylvain Thery committed
445
bool GLSLShader::create(GLint inputGeometryPrimitive,GLint outputGeometryPrimitive, int nb_max_vertices)
Pierre Kraemer's avatar
Pierre Kraemer committed
446
447
448
449
{
	int		status;
	char	*info_log;

450
451
	m_geom_inputPrimitives = inputGeometryPrimitive;
	m_geom_outputPrimitives = outputGeometryPrimitive;
Pierre Kraemer's avatar
Pierre Kraemer committed
452
453

	/*** check if shaders are loaded ***/
454
	if( !m_vertex_shader_object || !m_fragment_shader_object )
Pierre Kraemer's avatar
Pierre Kraemer committed
455
	{
456
		CGoGNerr << "ERROR - GLSLShader::create() - shaders are not defined." << CGoGNendl;
Pierre Kraemer's avatar
Pierre Kraemer committed
457
458
459
460
		return false;
	}

	/*** create program object ***/
461
	m_program_object = glCreateProgramObjectARB();
Pierre Kraemer's avatar
Pierre Kraemer committed
462

463
	if( !m_program_object )
Pierre Kraemer's avatar
Pierre Kraemer committed
464
	{
465
		CGoGNerr << "ERROR - GLSLShader::create() - unable to create program object." << CGoGNendl;
Pierre Kraemer's avatar
Pierre Kraemer committed
466
467
468
469
		return false;
	}

	/*** attach shaders to program object ***/
470
471
472
	glAttachObjectARB( m_program_object, m_vertex_shader_object );
	glAttachObjectARB( m_program_object, m_fragment_shader_object );
	if (m_geom_shader_object)
Pierre Kraemer's avatar
Pierre Kraemer committed
473
	{
474
		glAttachObjectARB( m_program_object, m_geom_shader_object );
Pierre Kraemer's avatar
Pierre Kraemer committed
475

476
477
		glProgramParameteriEXT(m_program_object,GL_GEOMETRY_INPUT_TYPE_EXT,inputGeometryPrimitive);
		glProgramParameteriEXT(m_program_object,GL_GEOMETRY_OUTPUT_TYPE_EXT,outputGeometryPrimitive);
Sylvain Thery's avatar
Sylvain Thery committed
478
		glProgramParameteriEXT(m_program_object,GL_GEOMETRY_VERTICES_OUT_EXT,nb_max_vertices);
Pierre Kraemer's avatar
Pierre Kraemer committed
479
480
481
	}

	/*** link program object ***/
482
	glLinkProgramARB( m_program_object );
Pierre Kraemer's avatar
Pierre Kraemer committed
483

484
	glGetObjectParameterivARB( m_program_object, GL_OBJECT_LINK_STATUS_ARB, &status );
Pierre Kraemer's avatar
Pierre Kraemer committed
485
486
	if( !status )
	{
487
		CGoGNerr << "ERROR - GLSLShader::create() - error occured while linking shader program." << CGoGNendl;
488
		info_log = getInfoLog( m_program_object );
489
		CGoGNerr << "  LINK " << info_log << CGoGNendl;
Pierre Kraemer's avatar
Pierre Kraemer committed
490
491
		delete [] info_log;

492
493
494
495
496
497
		glDetachObjectARB( m_program_object, m_vertex_shader_object );
		glDetachObjectARB( m_program_object, m_fragment_shader_object );
		if (m_geom_shader_object)
			glDetachObjectARB( m_program_object, m_geom_shader_object );
		glDeleteObjectARB( m_program_object );
		m_program_object = 0;
Pierre Kraemer's avatar
Pierre Kraemer committed
498
499
500
501

		return false;
	}

Pierre Kraemer's avatar
merge..    
Pierre Kraemer committed
502
503
504
505
	m_uniMat_Proj		= glGetUniformLocation(m_program_object, "ProjectionMatrix");
	m_uniMat_Model		= glGetUniformLocation(m_program_object, "ModelViewMatrix");
	m_uniMat_ModelProj	= glGetUniformLocation(m_program_object, "ModelViewProjectionMatrix");
	m_uniMat_Normal		= glGetUniformLocation(m_program_object, "NormalMatrix");
506

Pierre Kraemer's avatar
Pierre Kraemer committed
507
508
509
	return true;
}

510
511
512
513
514
515
516
517
518
519
520
bool GLSLShader::link()
{
	int		status;
	char	*info_log;

	/*** link program object ***/
	glLinkProgramARB( m_program_object );

	glGetObjectParameterivARB( m_program_object, GL_OBJECT_LINK_STATUS_ARB, &status );
	if( !status )
	{
521
		CGoGNerr << "ERROR - GLSLShader::create() - error occured while linking shader program." << CGoGNendl;
522
		info_log = getInfoLog( m_program_object );
523
		CGoGNerr << "  LINK " << info_log << CGoGNendl;
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
		delete [] info_log;

		glDetachObjectARB( m_program_object, m_vertex_shader_object );
		glDetachObjectARB( m_program_object, m_fragment_shader_object );
		if (m_geom_shader_object)
			glDetachObjectARB( m_program_object, m_geom_shader_object );
		glDeleteObjectARB( m_program_object );
		m_program_object = 0;

		return false;
	}

	return true;
}

539
bool GLSLShader::bind() const
Pierre Kraemer's avatar
Pierre Kraemer committed
540
{
541
	if( m_program_object )
Pierre Kraemer's avatar
Pierre Kraemer committed
542
	{
543
		glUseProgramObjectARB( m_program_object );
Pierre Kraemer's avatar
Pierre Kraemer committed
544
545
		return true;
	}
546
547
	else
		return false;
Pierre Kraemer's avatar
Pierre Kraemer committed
548
549
}

550
void GLSLShader::unbind() const
Pierre Kraemer's avatar
Pierre Kraemer committed
551
{
552
	if( m_program_object )
Pierre Kraemer's avatar
Pierre Kraemer committed
553
554
555
556
557
558
559
	{
		glUseProgramObjectARB( 0 );
	}
}

bool GLSLShader::isBinded()
{
560
	return ( m_program_object && m_program_object == glGetHandleARB(GL_PROGRAM_OBJECT_ARB) );
Pierre Kraemer's avatar
Pierre Kraemer committed
561
562
563
564
}

GLSLShader::~GLSLShader()
{
565
	if( m_program_object )
Pierre Kraemer's avatar
Pierre Kraemer committed
566
567
568
	{
		unbind();

569
		if( m_vertex_shader_object )
Pierre Kraemer's avatar
Pierre Kraemer committed
570
		{
571
572
			glDetachObjectARB( m_program_object, m_vertex_shader_object );
			glDeleteObjectARB( m_vertex_shader_object );
Pierre Kraemer's avatar
Pierre Kraemer committed
573
		}
574
		if( m_fragment_shader_object )
Pierre Kraemer's avatar
Pierre Kraemer committed
575
		{
576
577
			glDetachObjectARB( m_program_object, m_fragment_shader_object );
			glDeleteObjectARB( m_fragment_shader_object );
Pierre Kraemer's avatar
Pierre Kraemer committed
578
		}
579
		if (m_geom_shader_object)
Pierre Kraemer's avatar
Pierre Kraemer committed
580
		{
581
582
			glDetachObjectARB( m_program_object, m_geom_shader_object );
			glDeleteObjectARB( m_geom_shader_object );
Pierre Kraemer's avatar
Pierre Kraemer committed
583
584
		}

585
		glDeleteObjectARB( m_program_object );
Pierre Kraemer's avatar
Pierre Kraemer committed
586
	}
587

Pierre Kraemer's avatar
merge..    
Pierre Kraemer committed
588
//	m_registeredShaders.erase(this);
Pierre Kraemer's avatar
Pierre Kraemer committed
589
590
591
592
}

std::string GLSLShader::findFile(const std::string filename)
{
Pierre Kraemer's avatar
merge..    
Pierre Kraemer committed
593
	// cherche d'abord dans le repertoire courant
Pierre Kraemer's avatar
Pierre Kraemer committed
594
595
596
597
598
599
600
601
602
	std::ifstream file;
	file.open(filename.c_str(),std::ios::in );
	if (!file.fail())
	{
		file.close();
		return filename;
	}
	file.close();

603
604
605
606
607
608
609
610
611
612
613
614
615
616
	for (std::vector<std::string>::const_iterator ipath = m_pathes.begin(); ipath != m_pathes.end(); ++ipath)
	{
		std::string st(*ipath);
		st.append(filename);

		std::ifstream file2;
		file2.open(st.c_str(),std::ios::in);
		if (!file2.fail())
		{
			file2.close();
			return st;
		}
	}

Pierre Kraemer's avatar
merge..    
Pierre Kraemer committed
617
	// LA MACRO SHADERPATH contient le chemin du repertoire qui contient les fichiers textes
Pierre Kraemer's avatar
Pierre Kraemer committed
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
	std::string st(SHADERPATH);
	st.append(filename);

	std::ifstream file2; // on ne peut pas réutiliser file ????
	file2.open(st.c_str(),std::ios::in);
	if (!file2.fail())
	{
		file2.close();
		return st;
	}

	return filename;
}

bool GLSLShader::init()
{
	GLenum error = glewInit();

	if (error != GLEW_OK)
637
		CGoGNerr << "Error: " << glewGetErrorString(error) << CGoGNendl;
Pierre Kraemer's avatar
Pierre Kraemer committed
638
	else
639
		CGoGNout << "Status: Using GLEW " << glewGetString(GLEW_VERSION) << CGoGNendl;
Pierre Kraemer's avatar
Pierre Kraemer committed
640
641

	if (!areVBOSupported())
642
		CGoGNout << "VBO not supported !" << CGoGNendl;
Pierre Kraemer's avatar
Pierre Kraemer committed
643
644

	if(!areShadersSupported()) {
645
		CGoGNout << "Shaders not supported !" << CGoGNendl;
Pierre Kraemer's avatar
Pierre Kraemer committed
646
647
648
649
650
651
652
		return false;
	}
	return true; 
}

bool GLSLShader::loadShaders(const std::string& vs, const std::string& ps)
{
Sylvain Thery's avatar
Sylvain Thery committed
653
654
	m_nameVS = vs;
	m_nameFS = ps;
655

Pierre Kraemer's avatar
Pierre Kraemer committed
656
657
658
659
	std::string vss = findFile(vs);
	if(!loadVertexShader(vss)) return false;
	
	std::string pss = findFile(ps);
660
	if(!loadFragmentShader(pss)) return false;
Pierre Kraemer's avatar
Pierre Kraemer committed
661
662

	if(!create()) {
663
		CGoGNout << "Unable to create the shaders !" << CGoGNendl;
Pierre Kraemer's avatar
Pierre Kraemer committed
664
665
		return false;
	}
666
	CGoGNout << "Shaders loaded (" << vs << "," << ps << ")" << CGoGNendl;
Pierre Kraemer's avatar
Pierre Kraemer committed
667
668
669
	return true; 
}

Sylvain Thery's avatar
Sylvain Thery committed
670
bool GLSLShader::loadShaders(const std::string& vs, const std::string& ps, const std::string& gs, GLint inputGeometryPrimitive,GLint outputGeometryPrimitive, int nb_max_vertices)
Pierre Kraemer's avatar
Pierre Kraemer committed
671
{
Sylvain Thery's avatar
Sylvain Thery committed
672
673
674
675
	m_nameVS = vs;
	m_nameFS = ps;
	m_nameGS = gs;

Pierre Kraemer's avatar
Pierre Kraemer committed
676
677
678
679
	std::string vss = findFile(vs);
	if(!loadVertexShader(vss)) return false;

	std::string pss = findFile(ps);
680
	if(!loadFragmentShader(pss)) return false;
Pierre Kraemer's avatar
Pierre Kraemer committed
681
682
683
684
685
686

	std::string gss = findFile(gs);
	bool geomShaderLoaded = loadGeometryShader(gss);

	if (!geomShaderLoaded)
	{
687
		CGoGNerr << "Error while loading geometry shader" << CGoGNendl;
Pierre Kraemer's avatar
Pierre Kraemer committed
688
689
	}

Sylvain Thery's avatar
Sylvain Thery committed
690
	if(!create(inputGeometryPrimitive,outputGeometryPrimitive,nb_max_vertices))
Pierre Kraemer's avatar
Pierre Kraemer committed
691
	{
692
		CGoGNout << "Unable to create the shaders !" << CGoGNendl;
Pierre Kraemer's avatar
Pierre Kraemer committed
693
694
695
		return false;
	}

696
	CGoGNout << "Shaders loaded (" << vs << "," << ps << "," << gs <<")" << CGoGNendl;
Pierre Kraemer's avatar
Pierre Kraemer committed
697
698
699
	return true;
}

Sylvain Thery's avatar
Sylvain Thery committed
700
701
bool GLSLShader::loadShadersFromMemory(const char* vs, const char* fs)
{
702
703
704
705
706
	if (m_vertex_shader_source)
		delete [] m_vertex_shader_source;

	unsigned int sz = strlen(vs);
	m_vertex_shader_source = new char[sz+1];
Pierre Kraemer's avatar
merge..    
Pierre Kraemer committed
707
	strcpy(m_vertex_shader_source, vs);
708
709
710
711
712
713

	if (m_fragment_shader_source)
		delete [] m_fragment_shader_source;

	sz = strlen(fs);
	m_fragment_shader_source = new char[sz+1];
Pierre Kraemer's avatar
merge..    
Pierre Kraemer committed
714
	strcpy(m_fragment_shader_source, fs);
715

Sylvain Thery's avatar
Sylvain Thery committed
716
717
718
719
720
721
	if(!loadVertexShaderSourceString(vs)) return false;

	if(!loadFragmentShaderSourceString(fs)) return false;

	if(!create())
	{
722
		CGoGNout << "Unable to create the shaders !" << CGoGNendl;
Sylvain Thery's avatar
Sylvain Thery committed
723
724
725
726
727
		return false;
	}
	return true;
}

Sylvain Thery's avatar
Sylvain Thery committed
728
bool GLSLShader::loadShadersFromMemory(const char* vs, const char* fs, const char* gs, GLint inputGeometryPrimitive,GLint outputGeometryPrimitive, int nb_max_vertices)
Sylvain Thery's avatar
Sylvain Thery committed
729
{
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
	if (m_vertex_shader_source)
		delete [] m_vertex_shader_source;

	unsigned int sz = strlen(vs);
	m_vertex_shader_source = new char[sz+1];
	strcpy(m_vertex_shader_source,vs);

	if (m_fragment_shader_source)
		delete [] m_fragment_shader_source;

	sz = strlen(fs);
	m_fragment_shader_source = new char[sz+1];
	strcpy(m_fragment_shader_source,fs);

	if (m_geom_shader_source)
		delete [] m_geom_shader_source;

	sz = strlen(gs);
	m_geom_shader_source = new char[sz+1];
	strcpy(m_geom_shader_source,gs);

Pierre Kraemer's avatar
merge..    
Pierre Kraemer committed
751
752
	if(!loadVertexShaderSourceString(vs))
		return false;
Sylvain Thery's avatar
Sylvain Thery committed
753

Pierre Kraemer's avatar
merge..    
Pierre Kraemer committed
754
755
	if(!loadFragmentShaderSourceString(fs))
		return false;
Sylvain Thery's avatar
Sylvain Thery committed
756

Pierre Kraemer's avatar
merge..    
Pierre Kraemer committed
757
758
	if(!loadGeometryShaderSourceString(gs))
		return false;
Sylvain Thery's avatar
Sylvain Thery committed
759

Sylvain Thery's avatar
Sylvain Thery committed
760
	if(!create(inputGeometryPrimitive,outputGeometryPrimitive,nb_max_vertices))
Sylvain Thery's avatar
Sylvain Thery committed
761
	{
762
		CGoGNout << "Unable to create the shaders !" << CGoGNendl;
Sylvain Thery's avatar
Sylvain Thery committed
763
764
765
766
767
768
		return false;
	}

	return true;
}

769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
bool GLSLShader::reloadVertexShaderFromMemory(const char* vs)
{
	if (m_vertex_shader_source)
		delete [] m_vertex_shader_source;

	unsigned int sz = strlen(vs);
	m_vertex_shader_source = new char[sz+1];
	strcpy(m_vertex_shader_source,vs);

	return true;
}

bool GLSLShader::reloadFragmentShaderFromMemory(const char* fs)
{
	if (m_fragment_shader_source)
		delete [] m_fragment_shader_source;

	unsigned int sz = strlen(fs);
	m_fragment_shader_source = new char[sz+1];
	strcpy(m_fragment_shader_source,fs);

	return true;
}

bool GLSLShader::reloadGeometryShaderFromMemory(const char* gs)
{
	if (m_geom_shader_source)
		delete [] m_geom_shader_source;

	unsigned int sz = strlen(gs);
	m_geom_shader_source = new char[sz+1];
	strcpy(m_geom_shader_source,gs);

	return true;
}

bool GLSLShader::recompile()
{
	if (m_vertex_shader_source)
		if(!loadVertexShaderSourceString(m_vertex_shader_source)) return false;
	if (m_fragment_shader_source)
		if(!loadFragmentShaderSourceString(m_fragment_shader_source)) return false;
	if (m_geom_shader_source)
		if(!loadGeometryShaderSourceString(m_geom_shader_source)) return false;

	if(!create(m_geom_inputPrimitives,m_geom_outputPrimitives))
	{
816
		CGoGNerr << "Unable to create the shaders !" << CGoGNendl;
817
818
819
820
821
822
823
824
825
826
		return false;
	}

	m_uniMat_Proj		= glGetUniformLocation(m_program_object,"ProjectionMatrix");
	m_uniMat_Model		= glGetUniformLocation(m_program_object,"ModelViewMatrix");
	m_uniMat_ModelProj	= glGetUniformLocation(m_program_object,"ModelViewProjectionMatrix");
	m_uniMat_Normal		= glGetUniformLocation(m_program_object,"NormalMatrix");

	restoreUniformsAttribs();

827
828
	updateClippingUniforms();

829
830
831
	return true;
}

832
833
834
835
836
837
838
839
840
841
842
bool GLSLShader::validateProgram()
{
	if(!m_program_object)
		return false;

	glValidateProgram(m_program_object);
	GLint Result = GL_FALSE;
	glGetProgramiv(m_program_object, GL_VALIDATE_STATUS, &Result);

	if(Result == GL_FALSE)
	{
843
		CGoGNout << "Validate program:" << CGoGNendl;
844
845
846
847
		int InfoLogLength;
		glGetProgramiv(m_program_object, GL_INFO_LOG_LENGTH, &InfoLogLength);
		std::vector<char> Buffer(InfoLogLength);
		glGetProgramInfoLog(m_program_object, InfoLogLength, NULL, &Buffer[0]);
848
		CGoGNout <<  &(Buffer[0]) << CGoGNendl;
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
		return false;
	}

	return true;
}

bool GLSLShader::checkProgram()
{
	GLint Result = GL_FALSE;
	glGetProgramiv(m_program_object, GL_LINK_STATUS, &Result);

	int InfoLogLength;
	glGetProgramiv(m_program_object, GL_INFO_LOG_LENGTH, &InfoLogLength);
	std::vector<char> Buffer(std::max(InfoLogLength, int(1)));
	glGetProgramInfoLog(m_program_object, InfoLogLength, NULL, &Buffer[0]);
864
	CGoGNout << &Buffer[0] << CGoGNendl;
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886

	return Result == GL_TRUE;
}

bool GLSLShader::checkShader(int shaderType)
{
	GLint Result = GL_FALSE;
	int InfoLogLength;
	GLhandleARB id;

	switch(shaderType)
	{
	case VERTEX_SHADER:
		id = m_vertex_shader_object;
		break;
	case FRAGMENT_SHADER:
		id = m_fragment_shader_object;
		break;
	case GEOMETRY_SHADER:
		id = m_geom_shader_object;
		break;
	default:
887
		CGoGNerr << "Error unkown shader type"<< CGoGNendl;
888
889
890
891
892
893
894
895
		return false;
		break;
	}

	glGetShaderiv(id, GL_COMPILE_STATUS, &Result);
	glGetShaderiv(id, GL_INFO_LOG_LENGTH, &InfoLogLength);
	std::vector<char> Buffer(InfoLogLength);
	glGetShaderInfoLog(id, InfoLogLength, NULL, &Buffer[0]);
896
	CGoGNout << &Buffer[0] << CGoGNendl;
897
898
899
900

	return Result == GL_TRUE;
}

Sylvain Thery's avatar
Sylvain Thery committed
901
void GLSLShader::bindAttrib(unsigned int att, const char* name) const
902
{
Pierre Kraemer's avatar
merge..    
Pierre Kraemer committed
903
	glBindAttribLocation(m_program_object, att, name);
904
905
}

906
907
908
909
910
void GLSLShader::addPathFileSeach(const std::string& path)
{
	m_pathes.push_back(path);
}

911
unsigned int GLSLShader::bindVA_VBO(const std::string& name, VBO* vbo)
Sylvain Thery's avatar
Sylvain Thery committed
912
913
914
915
916
{
	GLint idVA = glGetAttribLocation(this->m_program_object, name.c_str());
	//valid ?
	if (idVA < 0)
	{
Pierre Kraemer's avatar
Pierre Kraemer committed
917
		CGoGNerr << "GLSLShader: Attribute " << name << " does not exist in shader" << CGoGNendl;
918
		return idVA;
Sylvain Thery's avatar
Sylvain Thery committed
919
920
921
922
923
924
	}
	// search if name already exist
	for (std::vector<VAStr>::iterator it = m_va_vbo_binding.begin(); it != m_va_vbo_binding.end(); ++it)
	{
		if (it->va_id == idVA)
		{
925
926
			it->vbo_ptr = vbo;
			return (it - m_va_vbo_binding.begin());
Sylvain Thery's avatar
Sylvain Thery committed
927
928
929
930
931
		}
	}
	// new one:
	VAStr temp;
	temp.va_id = idVA;
932
	temp.vbo_ptr = vbo;
Sylvain Thery's avatar
Sylvain Thery committed
933
	m_va_vbo_binding.push_back(temp);
934
935
936
937
938
939
	return (m_va_vbo_binding.size() -1);
}

void GLSLShader::changeVA_VBO(unsigned int id, VBO* vbo)
{
	m_va_vbo_binding[id].vbo_ptr = vbo;
Sylvain Thery's avatar
Sylvain Thery committed
940
941
942
943
944
945
946
947
}

void GLSLShader::unbindVA(const std::string& name)
{
	GLint idVA = glGetAttribLocation(this->m_program_object, name.c_str());
	//valid ?
	if (idVA < 0)
	{
948
		CGoGNerr << "GLSLShader: Attribute "<<name<< " does not exist in shader, not unbinded"<< CGoGNendl;
Sylvain Thery's avatar
Sylvain Thery committed
949
950
951
952
953
954
955
956
957
958
959
960
961
962
		return;
	}
	// search if name already exist
	unsigned int nb = m_va_vbo_binding.size();
	for (unsigned int i =0; i<nb; ++i)
	{
		if (m_va_vbo_binding[i].va_id == idVA)
		{
			if (i != (nb-1))
				m_va_vbo_binding[i] = m_va_vbo_binding[nb-1];
			m_va_vbo_binding.pop_back();
			return;
		}
	}
963
	CGoGNerr << "GLSLShader: Attribute "<<name<< " not binded"<< CGoGNendl;
Sylvain Thery's avatar
Sylvain Thery committed
964
965
966
967
}

void GLSLShader::setCurrentOGLVersion(unsigned int version)
{
Pierre Kraemer's avatar
merge..    
Pierre Kraemer committed
968
	CURRENT_OGL_VERSION = version;
Sylvain Thery's avatar
Sylvain Thery committed
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
	switch(version)
	{
	case 2:
		DEFINES_GL = &DEFINES_GL2;
		break;
	case 3:
		DEFINES_GL = &DEFINES_GL3;
		break;
	}
}

/**
 * update projection, modelview, ... matrices
 */
void GLSLShader::updateMatrices(const glm::mat4& projection, const glm::mat4& modelview)
{
	this->bind();
Pierre Kraemer's avatar
merge..    
Pierre Kraemer committed
986
	glm::mat4 PMV = projection * modelview;
987
	glm::mat4 normalMatrix = glm::gtx::inverse_transpose::inverseTranspose(modelview);
Sylvain Thery's avatar
Sylvain Thery committed
988

Pierre Kraemer's avatar
merge..    
Pierre Kraemer committed
989
	if (m_uniMat_Proj >= 0)
990
		glUniformMatrix4fv(m_uniMat_Proj,		1 , false, &projection[0][0]);
Pierre Kraemer's avatar
merge..    
Pierre Kraemer committed
991
	if (m_uniMat_Model >= 0)
992
		glUniformMatrix4fv(m_uniMat_Model,		1 , false, &modelview[0][0]);
Pierre Kraemer's avatar
merge..    
Pierre Kraemer committed
993
	if (m_uniMat_ModelProj >= 0)
994
		glUniformMatrix4fv(m_uniMat_ModelProj,	1 , false, &PMV[0][0]);
Pierre Kraemer's avatar
merge..    
Pierre Kraemer committed
995
	if (m_uniMat_Normal >= 0)
996
997
998
		glUniformMatrix4fv(m_uniMat_Normal, 	1 , false, &normalMatrix[0][0]);
}

999
void GLSLShader::enableVertexAttribs(unsigned int stride, unsigned int begin) const
1000
1001
1002
1003
1004
1005
{
	this->bind();
	for (std::vector<Utils::GLSLShader::VAStr>::const_iterator it= m_va_vbo_binding.begin(); it != m_va_vbo_binding.end(); ++it)
	{
		glBindBuffer(GL_ARRAY_BUFFER, it->vbo_ptr->id());
		glEnableVertexAttribArray(it->va_id);
1006
		glVertexAttribPointer(it->va_id, it->vbo_ptr->dataSize(), GL_FLOAT, false, stride, (const GLvoid*)begin);
1007
1008
	}
}
Sylvain Thery's avatar
Sylvain Thery committed
1009

1010
1011
void GLSLShader::disableVertexAttribs() const
{
1012
	this->bind();
1013
	for (std::vector<Utils::GLSLShader::VAStr>::const_iterator it= m_va_vbo_binding.begin(); it != m_va_vbo_binding.end(); ++it)
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
		glDisableVertexAttribArray(it->va_id);
	this->unbind();
}

void GLSLShader::updateCurrentMatrices()
{
	glm::mat4 model(currentModelView());
	model *= currentTransfo();

	for(std::set< std::pair<void*, GLSLShader*> >::iterator it = m_registeredShaders.begin();it != m_registeredShaders.end();++it)
			it->second->updateMatrices(currentProjection(), model);
Sylvain Thery's avatar
Sylvain Thery committed
1025
}
Pierre Kraemer's avatar
Pierre Kraemer committed
1026
1027

} // namespace Utils
Pierre Kraemer's avatar
merge..    
Pierre Kraemer committed
1028

Pierre Kraemer's avatar
Pierre Kraemer committed
1029
} // namespace CGoGN