shaderColorPerVertex.h 2.73 KB
Newer Older
1
2
3
/*******************************************************************************
* CGoGN: Combinatorial and Geometric modeling with Generic N-dimensional Maps  *
* version 0.1                                                                  *
4
* Copyright (C) 2009-2012, 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.unistra.fr/                                           *
21
22
23
24
* Contact information: cgogn@unistra.fr                                        *
*                                                                              *
*******************************************************************************/

Pierre Kraemer's avatar
merge..    
Pierre Kraemer committed
25
26
#ifndef __CGOGN_SHADER_CPV__
#define __CGOGN_SHADER_CPV__
27
28

#include "Utils/GLSLShader.h"
29
#include "Utils/clippingShader.h"
30
31
32
33
#include "Geometry/vector_gen.h"

namespace CGoGN
{
Pierre Kraemer's avatar
merge..    
Pierre Kraemer committed
34

35
36
37
namespace Utils
{

38
class ShaderColorPerVertex : public ClippingShader
39
40
41
42
43
44
45
46
47
{
protected:
	// shader sources
    static std::string vertexShaderText;
    static std::string fragmentShaderText;

    VBO* m_vboPos;
    VBO* m_vboCol;

48
49
50
    CGoGNGLuint m_unif_alpha;
    float m_opacity;

51
52
53
    void restoreUniformsAttribs();

public:
54
    ShaderColorPerVertex(bool black_is_transparent = false);
55

56
57
58
59
	/**
	 * set the VBO of position (vec3)
	 */
    unsigned int setAttributePosition(VBO* vbo);
60

61
62
63
	/**
	 * set the VBO of color (vec3)
	 */
64
    unsigned int setAttributeColor(VBO* vbo);
65
66
67
68
69

	/**
	 * set opacity (0=transparent / 1=opaque)
	 */
	void setOpacity(float op);
70
71

	float getOpacity() const  { return m_opacity;}
72
73
};

Pierre Kraemer's avatar
merge..    
Pierre Kraemer committed
74
75
76
77
} // namespace Utils

} // namespace CGoGN

78
#endif