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/cvs/deliantra/Deliantra-Client/DC/OpenGL.pm
Revision: 1.9
Committed: Sun Aug 19 12:56:24 2007 UTC (16 years, 9 months ago) by root
Branch: MAIN
Changes since 1.8: +4 -2 lines
Log Message:
use and enable texture compression by default

File Contents

# User Rev Content
1 root 1.4 package CFPlus::OpenGL;
2 root 1.1
3     use strict;
4    
5 root 1.2 use Carp ();
6 root 1.4 use CFPlus;
7 root 1.2
8     our %GL_EXT;
9     our $GL_VERSION;
10    
11     our $GL_NPOT;
12 root 1.9 our $GL_COMPRESS;
13 root 1.2
14     our $DEBUG = 1;
15     our %INIT_HOOK;
16 root 1.3 our %SHUTDOWN_HOOK;
17 root 1.1
18     sub import {
19     my $caller = caller;
20    
21     no strict;
22    
23 root 1.4 my $symtab = *{"main::CFPlus::OpenGL::"}{HASH};
24 root 1.1
25     for (keys %$symtab) {
26 root 1.2 *{"$caller\::$_"} = *$_
27     if /^(?:gl[A-Z_]|GL_)/;
28 root 1.1 }
29     }
30    
31 root 1.2 sub init {
32 root 1.9 if ($::CFG->{force_opengl11}) {
33 root 1.8 $GL_VERSION = 1.1;
34     %GL_EXT = ();
35     } else {
36     $GL_VERSION = gl_version * 1;
37     %GL_EXT = map +($_ => 1), split /\s+/, gl_extensions;
38     }
39 root 1.2
40 root 1.9 $GL_NPOT = $GL_EXT{GL_ARB_texture_non_power_of_two} || $GL_VERSION >= 2.0;
41     $GL_COMPRESS = $GL_EXT{GL_ARB_texture_compression} || $GL_VERSION >= 1.3;
42 root 1.2
43     glDisable GL_COLOR_MATERIAL;
44     glShadeModel GL_FLAT;
45     glDisable GL_DITHER;
46     glDisable GL_DEPTH_TEST;
47     glDepthMask 0;
48 root 1.5
49     my $hint = $::FAST ? GL_FASTEST : GL_NICEST;
50     glHint GL_PERSPECTIVE_CORRECTION_HINT, $hint;
51 root 1.6 glHint GL_POINT_SMOOTH_HINT , $hint;
52 root 1.5 glHint GL_LINE_SMOOTH_HINT , $hint;
53     glHint GL_POLYGON_SMOOTH_HINT , $hint;
54     glHint GL_GENERATE_MIPMAP_HINT , $hint;
55     #glDrawBuffer GL_BACK;
56     #glReadBuffer GL_BACK;
57 root 1.2
58     $_->() for values %INIT_HOOK;
59     }
60    
61 root 1.3 sub shutdown {
62     $_->() for values %SHUTDOWN_HOOK;
63     }
64    
65 root 1.2 sub gl_check {
66     return unless $DEBUG;
67    
68     if (my $error = glGetError) {
69     my ($format, @args) = @_;
70     Carp::cluck sprintf "opengl error %x while $format", $error, @args;
71     }
72     }
73    
74     1;
75