1 | package CFClient::OpenGL; |
1 | package CFPlus::OpenGL; |
2 | |
2 | |
3 | use strict; |
3 | use strict; |
4 | |
4 | |
5 | #use CFClient; |
5 | use Carp (); |
|
|
6 | use CFPlus; |
|
|
7 | |
|
|
8 | our %GL_EXT; |
|
|
9 | our $GL_VERSION; |
|
|
10 | |
|
|
11 | our $GL_NPOT; |
|
|
12 | |
|
|
13 | our $DEBUG = 1; |
|
|
14 | our %INIT_HOOK; |
|
|
15 | our %SHUTDOWN_HOOK; |
6 | |
16 | |
7 | sub import { |
17 | sub import { |
8 | my $caller = caller; |
18 | my $caller = caller; |
9 | |
19 | |
10 | no strict; |
20 | no strict; |
11 | |
21 | |
12 | my $symtab = *{"main::CFClient::OpenGL::"}{HASH}; |
22 | my $symtab = *{"main::CFPlus::OpenGL::"}{HASH}; |
13 | |
23 | |
14 | for (keys %$symtab) { |
24 | for (keys %$symtab) { |
15 | *{"$caller\::$_"} = \&$_ |
25 | *{"$caller\::$_"} = *$_ |
16 | if /^(?:gl|GL_)/; |
26 | if /^(?:gl[A-Z_]|GL_)/; |
17 | } |
27 | } |
18 | } |
28 | } |
19 | |
29 | |
20 | 1 |
30 | sub init { |
|
|
31 | $GL_VERSION = gl_version * 1; |
|
|
32 | %GL_EXT = map +($_ => 1), split /\s+/, gl_extensions; |
|
|
33 | |
|
|
34 | $GL_NPOT = $GL_EXT{GL_ARB_texture_non_power_of_two} || $GL_VERSION >= 2; |
|
|
35 | $GL_NPOT = 0 if gl_vendor =~ /ATI Technologies/; # ATI doesn't get it right... |
|
|
36 | |
|
|
37 | glDisable GL_COLOR_MATERIAL; |
|
|
38 | glShadeModel GL_FLAT; |
|
|
39 | glDisable GL_DITHER; |
|
|
40 | glDisable GL_DEPTH_TEST; |
|
|
41 | glDepthMask 0; |
|
|
42 | glHint GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST; |
|
|
43 | glDrawBuffer GL_BACK; |
|
|
44 | glReadBuffer GL_BACK; |
|
|
45 | |
|
|
46 | $_->() for values %INIT_HOOK; |
|
|
47 | } |
|
|
48 | |
|
|
49 | sub shutdown { |
|
|
50 | $_->() for values %SHUTDOWN_HOOK; |
|
|
51 | } |
|
|
52 | |
|
|
53 | sub gl_check { |
|
|
54 | return unless $DEBUG; |
|
|
55 | |
|
|
56 | if (my $error = glGetError) { |
|
|
57 | my ($format, @args) = @_; |
|
|
58 | Carp::cluck sprintf "opengl error %x while $format", $error, @args; |
|
|
59 | } |
|
|
60 | } |
|
|
61 | |
|
|
62 | 1; |
|
|
63 | |