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