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
|
package Gtk::GLArea::Constants;
require Gtk;
require Exporter;
require AutoLoader;
use Carp;
@ISA = qw(Exporter AutoLoader);
# Items to export into callers namespace by default. Note: do not export
# names by default without a very good reason. Use EXPORT_OK instead.
# Do not simply export all your public functions/methods/constants.
@EXPORT = qw(
GDK_GL_NONE
GDK_GL_USE_GL
GDK_GL_BUFFER_SIZE
GDK_GL_LEVEL
GDK_GL_RGBA
GDK_GL_DOUBLEBUFFER
GDK_GL_STEREO
GDK_GL_AUX_BUFFERS
GDK_GL_RED_SIZE
GDK_GL_GREEN_SIZE
GDK_GL_BLUE_SIZE
GDK_GL_ALPHA_SIZE
GDK_GL_DEPTH_SIZE
GDK_GL_STENCIL_SIZE
GDK_GL_ACCUM_RED_SIZE
GDK_GL_ACCUM_GREEN_SIZE
GDK_GL_ACCUM_BLUE_SIZE
GDK_GL_ACCUM_ALPHA_SIZE
GDK_GL_X_VISUAL_TYPE_EXT
GDK_GL_TRANSPARENT_TYPE_EXT
GDK_GL_INDEX_VALUE_EXT
GDK_GL_RED_VALUE_EXT
GDK_GL_GREEN_VALUE_EXT
GDK_GL_BLUE_VALUE_EXT
GDK_GL_ALPHA_VALUE_EXT
);
# Other items we are prepared to export if requested
@EXPORT_OK = qw();
sub AUTOLOAD {
# This AUTOLOAD is used to 'autoload' constants from the constant()
# XS function. If a constant is not found then control is passed
# to the AUTOLOAD in AutoLoader.
# NOTE: THIS AUTOLOAD FUNCTION IS FLAWED (but is the best we can do for now).
# Avoid old-style ``&CONST'' usage. Either remove the ``&'' or add ``()''.
if (@_ > 0) {
$AutoLoader::AUTOLOAD = $AUTOLOAD;
goto &AutoLoader::AUTOLOAD;
}
local($constname);
($constname = $AUTOLOAD) =~ s/.*:://;
$val = constant($constname, @_ ? $_[0] : 0);
if (not defined $val) {
if ($! =~ /Invalid/) {
$AutoLoader::AUTOLOAD = $AUTOLOAD;
goto &AutoLoader::AUTOLOAD;
}
else {
($pack,$file,$line) = caller;
die "Your vendor has not defined GL macro $constname, used at $file line $line.
";
}
}
eval "sub $AUTOLOAD { $val }";
goto &$AUTOLOAD;
}
1;
__END__
|
