| 1 | package CFClient::OpenGL; |
1 | package DC::OpenGL; |
| 2 | |
2 | |
| 3 | use strict; |
3 | use strict; |
| 4 | |
4 | |
| 5 | use Carp (); |
5 | use Carp (); |
| 6 | use CFClient; |
6 | use DC; |
| 7 | |
7 | |
| 8 | our %GL_EXT; |
8 | our %GL_EXT; |
| 9 | our $GL_VERSION; |
9 | our $GL_VERSION; |
| 10 | |
10 | |
| 11 | our $GL_NPOT; |
11 | our $GL_NPOT; |
|
|
12 | our $GL_COMPRESS; |
|
|
13 | our $GL_BFSEP; # blendfuncseparate |
|
|
14 | our $GL_MULTITEX; |
|
|
15 | our $APPLE_NVIDIA_BUG; |
| 12 | |
16 | |
| 13 | our $DEBUG = 1; |
17 | our $DEBUG = 1; |
| 14 | our %INIT_HOOK; |
18 | our %INIT_HOOK; |
|
|
19 | our %SHUTDOWN_HOOK; |
| 15 | |
20 | |
| 16 | sub import { |
21 | sub import { |
| 17 | my $caller = caller; |
22 | my $caller = caller; |
| 18 | |
23 | |
| 19 | no strict; |
24 | no strict; |
| 20 | |
25 | |
| 21 | my $symtab = *{"main::CFClient::OpenGL::"}{HASH}; |
26 | my $symtab = *{"main::DC::OpenGL::"}{HASH}; |
| 22 | |
27 | |
| 23 | for (keys %$symtab) { |
28 | for (keys %$symtab) { |
| 24 | *{"$caller\::$_"} = *$_ |
29 | *{"$caller\::$_"} = *$_ |
| 25 | if /^(?:gl[A-Z_]|GL_)/; |
30 | if /^(?:gl[A-Z_]|GL_)/; |
| 26 | } |
31 | } |
| … | |
… | |
| 28 | |
33 | |
| 29 | sub init { |
34 | sub init { |
| 30 | $GL_VERSION = gl_version * 1; |
35 | $GL_VERSION = gl_version * 1; |
| 31 | %GL_EXT = map +($_ => 1), split /\s+/, gl_extensions; |
36 | %GL_EXT = map +($_ => 1), split /\s+/, gl_extensions; |
| 32 | |
37 | |
|
|
38 | unless (defined $::CFG->{force_opengl11}) { |
|
|
39 | # try to find a suitable default |
|
|
40 | if ( |
|
|
41 | $GL_VERSION >= 2.0 |
|
|
42 | && (!$GL_EXT{GL_ARB_texture_non_power_of_two} |
|
|
43 | || !$GL_EXT{GL_EXT_blend_func_separate}) |
|
|
44 | ) { |
|
|
45 | $::CFG->{force_opengl11} = 1; |
|
|
46 | } else { |
|
|
47 | $::CFG->{force_opengl11} = 0; |
|
|
48 | } |
|
|
49 | } |
|
|
50 | |
|
|
51 | if ($::CFG->{force_opengl11}) { |
|
|
52 | $GL_VERSION = 1.1; |
|
|
53 | %GL_EXT = (); |
|
|
54 | } |
|
|
55 | |
|
|
56 | $GL_BFSEP = $GL_EXT{GL_EXT_blend_func_separate} || $GL_VERSION >= 2.0; |
| 33 | $GL_NPOT = $GL_EXT{GL_ARB_texture_non_power_of_two} || $GL_VERSION >= 2; |
57 | $GL_NPOT = $GL_EXT{GL_ARB_texture_non_power_of_two} || $GL_VERSION >= 2.0; |
| 34 | $GL_NPOT = 0 if gl_vendor =~ /ATI Technologies/; # ATI doesn't get it right... |
58 | $GL_COMPRESS = $GL_EXT{GL_ARB_texture_compression} || $GL_VERSION >= 1.3; |
|
|
59 | $GL_MULTITEX = $GL_EXT{GL_ARB_multitexture} || $GL_VERSION >= 1.3; |
|
|
60 | $GL_MULTITEX &&= 2 <= glGetInteger GL_MAX_TEXTURE_UNITS; |
|
|
61 | |
|
|
62 | $GL_COMPRESS = 0 if DC::OpenGL::gl_vendor eq "Apple Computer, Inc."; # there is no end to their suckage |
|
|
63 | |
|
|
64 | $APPLE_NVIDIA_BUG = DC::OpenGL::gl_vendor eq "NVIDIA Corporation" && $^O eq "darwin"; |
|
|
65 | apple_nvidia_bug $APPLE_NVIDIA_BUG; |
|
|
66 | |
|
|
67 | disable_GL_EXT_blend_func_separate |
|
|
68 | unless $GL_BFSEP; |
| 35 | |
69 | |
| 36 | glDisable GL_COLOR_MATERIAL; |
70 | glDisable GL_COLOR_MATERIAL; |
| 37 | glShadeModel GL_FLAT; |
71 | glShadeModel GL_FLAT; |
| 38 | glDisable GL_DITHER; |
72 | glDisable GL_DITHER; |
| 39 | glDisable GL_DEPTH_TEST; |
73 | glDisable GL_DEPTH_TEST; |
| 40 | glDepthMask 0; |
74 | glDepthMask 0; |
| 41 | glHint GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST; |
|
|
| 42 | |
75 | |
|
|
76 | my $hint = $::FAST ? GL_FASTEST : GL_NICEST; |
|
|
77 | glHint GL_PERSPECTIVE_CORRECTION_HINT, $hint; |
|
|
78 | glHint GL_POINT_SMOOTH_HINT , $hint; |
|
|
79 | glHint GL_LINE_SMOOTH_HINT , $hint; |
|
|
80 | glHint GL_POLYGON_SMOOTH_HINT , $hint; |
|
|
81 | glHint GL_GENERATE_MIPMAP_HINT , $hint; |
|
|
82 | glHint GL_TEXTURE_COMPRESSION_HINT , $hint; |
|
|
83 | #glDrawBuffer GL_BACK; |
|
|
84 | #glReadBuffer GL_BACK; |
|
|
85 | |
|
|
86 | c_init; |
| 43 | $_->() for values %INIT_HOOK; |
87 | $_->() for values %INIT_HOOK; |
|
|
88 | } |
|
|
89 | |
|
|
90 | sub quit { |
|
|
91 | undef $GL_VERSION; |
|
|
92 | undef %GL_EXT; |
|
|
93 | } |
|
|
94 | |
|
|
95 | sub shutdown { |
|
|
96 | $_->() for values %SHUTDOWN_HOOK; |
|
|
97 | |
|
|
98 | quit; |
| 44 | } |
99 | } |
| 45 | |
100 | |
| 46 | sub gl_check { |
101 | sub gl_check { |
| 47 | return unless $DEBUG; |
102 | return unless $DEBUG; |
| 48 | |
103 | |
