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

mapRender.h 7.09 KB
Newer Older
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           *
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/                                         *
21
22
23
24
* Contact information: cgogn@unistra.fr                                        *
*                                                                              *
*******************************************************************************/

Sylvain Thery's avatar
Sylvain Thery committed
25
26
#ifndef _GL2_MAP_RENDER_
#define _GL2_MAP_RENDER_
27
28
29
30

#include <GL/glew.h>
#include <vector>
#include <list>
31
#include <set>
32
#include <utility>
33
34
35
36
37
38
39

#include "Topology/generic/dart.h"
#include "Topology/generic/functor.h"
#include "Topology/generic/attributeHandler.h"
#include "Container/convert.h"
#include "Geometry/vector_gen.h"

Sylvain Thery's avatar
Sylvain Thery committed
40
41
#include "Utils/vbo.h"

Pierre Kraemer's avatar
merge..    
Pierre Kraemer committed
42
43
// forward definition
namespace CGoGN { namespace Utils { class GLSLShader; } }
Sylvain Thery's avatar
Sylvain Thery committed
44

45
46
47
48
49
50
51
52
53
namespace CGoGN
{

namespace Algo
{

namespace Render
{

Sylvain Thery's avatar
Sylvain Thery committed
54
namespace GL2
55
56
{

Pierre Kraemer's avatar
merge..    
Pierre Kraemer committed
57
58
enum drawingType
{
59
60
61
62
63
	TRIANGLES = 1,
	LINES = 2,
	POINTS = 4,
	EXPLODED = 8,
	FLAT_TRIANGLES = 16,
64
65
	BOUNDARY = 32,
	ERR = 64
66
67
} ;

Pierre Kraemer's avatar
merge..    
Pierre Kraemer committed
68
69
70
enum bufferIndex
{
	POINT_INDICES = 0,
71
	LINE_INDICES = 1,
Pierre Kraemer's avatar
merge..    
Pierre Kraemer committed
72
	TRIANGLE_INDICES = 2,
73
	FLAT_BUFFER = 3,
74
	BOUNDARY_INDICES = 4,
75
	SIZE_BUFFER
76
77
78
79
80
81
82
83
84
85
} ;


class MapRender
{

protected:
	/**
	 * vbo buffers
	 */
86
	GLuint m_indexBuffers[SIZE_BUFFER] ;
87
88

	/**
Pierre Kraemer's avatar
merge..    
Pierre Kraemer committed
89
	 * nb indices
90
	 */
91
92
93
	GLuint m_nbIndices[SIZE_BUFFER] ;

	typedef std::pair<GLuint*, unsigned int> buffer_array;
94

95
96
	// forward declaration
	class VertexPoly;
97

98
99
	// comparaison function for multiset
	static bool cmpVP(VertexPoly* lhs, VertexPoly* rhs);
100

101
102
	// multiset typedef for simple writing
	typedef std::multiset< VertexPoly*,bool(*)(VertexPoly*,VertexPoly*)> VPMS;
103
104
105
106
107
108

	class VertexPoly
	{
	public:
		int id;
		float value;
Sylvain Thery's avatar
MAJ MC    
Sylvain Thery committed
109
		float length;
110
111
		VertexPoly* prev;
		VertexPoly* next;
112
		VPMS::iterator ear;
113

Sylvain Thery's avatar
MAJ MC    
Sylvain Thery committed
114
		VertexPoly(int i, float v, float l, VertexPoly* p=NULL): id(i),value(v), length(l), prev(p), next(NULL)
115
116
117
118
119
120
121
122
123
124
125
		{
			if (prev!=NULL)
				prev->next = this;
		}

		static void close(VertexPoly* first, VertexPoly* last)
		{
			last->next = first;
			first->prev = last;
		}

126
		static VertexPoly* erase(VertexPoly* vp)
127
		{
128
129
130
131
132
			VertexPoly* tmp = vp->prev;
			tmp->next = vp->next;
			vp->next->prev = tmp;
			delete vp;
			return tmp;
133
134
135
136
137
138
		}

	};



139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
public:
	/**
	 * Constructor
	 */
	MapRender() ;

	/**
	 * Constructor that share vertices attributes vbo (position/normals/colors...)
	 */
	MapRender(const MapRender& mrvbo);

	/**
	 * Destructor
	 */
	~MapRender() ;

155
156
157
	buffer_array get_index_buffer() { return std::make_pair(m_indexBuffers, SIZE_BUFFER); }
	buffer_array get_nb_index_buffer() { return std::make_pair(m_nbIndices, SIZE_BUFFER); }

158
protected:
159

160
161
162
163
164
165
166
167
	/**
	 * addition of indices table of one triangle
	 * @param d a dart of the triangle
	 * @param tableIndices the indices table
	 */
	template <typename PFP>
	void addTri(typename PFP::MAP& map, Dart d, std::vector<GLuint>& tableIndices) ;

168
169
170
171
	template<typename PFP>
	inline void addEarTri(typename PFP::MAP& map, Dart d, std::vector<GLuint>& tableIndices);

	template<typename PFP>
172
	float computeEarAngle(const typename PFP::VEC3& P1, const typename PFP::VEC3& P2, const typename PFP::VEC3& P3, const typename PFP::VEC3& normalPoly);
173
174
175
176
177

	template<typename PFP>
	bool computeEarIntersection(AttributeHandler<typename PFP::VEC3>& position, VertexPoly* vp, const typename PFP::VEC3& normalPoly);

	template<typename PFP>
178
	void recompute2Ears( AttributeHandler<typename PFP::VEC3>& position, VertexPoly* vp, const typename PFP::VEC3& normalPoly, VPMS& ears, bool convex);
179

Sylvain Thery's avatar
MAJ MC    
Sylvain Thery committed
180
181
	template<typename VEC3>
	bool inTriangle(const VEC3& P, const VEC3& normal, const VEC3& Ta,  const VEC3& Tb, const VEC3& Tc);
182

183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
public:
	/**
	 * creation of indices table of triangles (optimized order)
	 * @param tableIndices the table where indices are stored
	 */
	template <typename PFP>
	void initTriangles(typename PFP::MAP& map, const FunctorSelect& good,std::vector<GLuint>& tableIndices, unsigned int thread=0) ;
	template <typename PFP>
	void initTrianglesOptimized(typename PFP::MAP& map, const FunctorSelect& good,std::vector<GLuint>& tableIndices, unsigned int thread=0) ;

	/**
	 * creation of indices table of lines (optimized order)
	 * @param tableIndices the table where indices are stored
	 */
	template <typename PFP>
	void initLines(typename PFP::MAP& map, const FunctorSelect& good,std::vector<GLuint>& tableIndices, unsigned int thread=0) ;
	template <typename PFP>
	void initLinesOptimized(typename PFP::MAP& map, const FunctorSelect& good,std::vector<GLuint>& tableIndices, unsigned int thread=0) ;

	/**
	 * creation of indices table of points
	 * @param tableIndices the table where indices are stored
	 */
	template <typename PFP>
	void initPoints(typename PFP::MAP& map, const FunctorSelect& good,std::vector<GLuint>& tableIndices, unsigned int thread=0) ;

209
210
211
212
213


	template <typename PFP>
	void initBoundaries(typename PFP::MAP& map, const FunctorSelect& good,std::vector<GLuint>& tableIndices, unsigned int thread=0) ;

214
215
216
	/**
	 * initialization of the VBO indices primitives
	 * computed by a traversal of the map
Pierre Kraemer's avatar
merge..    
Pierre Kraemer committed
217
	 * @param prim primitive to draw: POINTS, LINES, TRIANGLES
218
219
	 */
	template <typename PFP>
Pierre Kraemer's avatar
merge..    
Pierre Kraemer committed
220
	void initPrimitives(typename PFP::MAP& map, const FunctorSelect& good, int prim, bool optimized = true, unsigned int thread = 0) ;
221

222
223


224
225
226
	/**
	 * initialization of the VBO indices primitives
	 * using the given table
Pierre Kraemer's avatar
merge..    
Pierre Kraemer committed
227
	 * @param prim primitive to draw: POINTS, LINES, TRIANGLES
228
229
230
231
232
233
	 */
	void initPrimitives(int prim, std::vector<GLuint>& tableIndices) ;

	/**
	 * draw the VBO (function to call in the drawing callback)
	 */
Sylvain Thery's avatar
Sylvain Thery committed
234
	void draw(Utils::GLSLShader* sh, int prim) ;
235
236

	unsigned int drawSub(Utils::GLSLShader* sh, int prim, unsigned int nb_elm);
237
238
} ;

Sylvain Thery's avatar
Sylvain Thery committed
239
} // namespace GL2
240
241
242
243
244
245
246

} // namespace Render

} // namespace Algo

} // namespace CGoGN

Sylvain Thery's avatar
Sylvain Thery committed
247
#include "Algo/Render/GL2/mapRender.hpp"
248
249

#endif