1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
/*
* Copyright © 2012 Ian D. Romanick
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#include <stdarg.h>
#include <GL/glew.h>
#include <glu3.h>
#include "shader.h"
void shader_program::init()
{
this->program = glCreateProgram();
this->log = 0;
}
shader_program::shader_program()
{
init();
}
shader_program::shader_program(GLint shader, ...)
{
va_list ap;
GLint sh;
init();
glAttachShader(this->program, shader);
va_start(ap, shader);
while ((sh = va_arg(ap, GLint)) != 0) {
glAttachShader(this->program, sh);
}
va_end(ap);
}
shader_program::~shader_program()
{
glDeleteProgram(this->program);
this->program = 0;
if (this->log) {
gluReleaseInfoLog(this->log);
this->log = 0;
}
}
bool shader_program::link()
{
return gluLinkProgram(this->program, &this->log);
}
|