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
70
71
72
73
74
75
76
77
78
79
80
|
//////////////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2005 Carl Johan Lejdfors //
// //
// This program is free software; you can redistribute it and/or modify //
// it under the terms of the GNU General Public License as published by //
// the Free Software Foundation; either version 2 of the License, or //
// (at your option) any later version. //
// //
// This program 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 General Public License for more details. //
// //
// You should have received a copy of the GNU General Public License //
// along with this program; if not, write to the Free Software //
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA //
// //
// Please send all bugreports to: Carl Johan Lejdfors <calle.lejdfors@cs.lth.se> //
//////////////////////////////////////////////////////////////////////////////////////////
#include "pyglew_exception.hh"
template<class T>
inline T unpack(PyObject* object) throw(pyglew_exception)
{
assert(false);
return T();
}
template<>
inline GLenum unpack<GLenum>(PyObject* object)
{
return (GLenum)PyInt_AsLong(object);
}
template<>
inline GLsizei unpack<GLsizei>(PyObject* object)
{
return (GLsizei)PyInt_AsLong(object);
}
template<>
inline GLfloat unpack<GLfloat>(PyObject* object)
{
return (GLfloat)PyFloat_AsDouble(object);
}
template<>
inline GLdouble unpack<GLdouble>(PyObject* object)
{
return (GLdouble)PyFloat_AsDouble(object);
}
#if __WORDSIZE == 64
template<>
inline GLsizeiptrARB unpack<GLsizeiptrARB>(PyObject* object)
{
return (GLsizeiptrARB)PyInt_AsLong(object);
}
#endif /* __WORDSIZE == 64 */
template<>
inline GLfloat* unpack<GLfloat*>(PyObject* object)
{
// return (GLfloat)PyFloat_AsDouble(object);
void *buffer;
int len;
if ( PyObject_AsWriteBuffer(object, &buffer, &len) < 0 ) {
throw pyglew_exception("In 'unpack<GLfloat*>' unable to access write buffer.");
}
return reinterpret_cast<GLfloat*>(buffer);
}
|
