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; |
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12 | our $GL_COMPRESS; |
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13 | our $GL_BFSEP; # blendfuncseparate |
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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 | |
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37 | unless (defined $::CFG->{force_opengl11}) { |
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38 | # try to find a suitable default |
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39 | if ( |
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40 | $GL_VERSION >= 2.0 |
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41 | && (!$GL_EXT{GL_ARB_texture_non_power_of_two} |
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42 | || !$GL_EXT{GL_EXT_blend_func_separate}) |
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43 | ) { |
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44 | $::CFG->{force_opengl11} = 1; |
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45 | } else { |
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46 | $::CFG->{force_opengl11} = 0; |
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47 | } |
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48 | } |
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49 | |
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50 | if ($::CFG->{force_opengl11}) { |
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51 | $GL_VERSION = 1.1; |
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52 | %GL_EXT = (); |
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53 | } |
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54 | |
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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 | |
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59 | $GL_COMPRESS = 0 if DC::OpenGL::gl_vendor eq "Apple Computer, Inc."; # there is no end to their suckage |
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60 | |
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61 | $APPLE_NVIDIA_BUG = DC::OpenGL::gl_vendor eq "NVIDIA Corporation" && $^O eq "darwin"; |
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62 | apple_nvidia_bug $APPLE_NVIDIA_BUG; |
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63 | |
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64 | disable_GL_EXT_blend_func_separate |
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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; |
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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 | |
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86 | sub quit { |
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87 | undef $GL_VERSION; |
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88 | undef %GL_EXT; |
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89 | } |
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90 | |
56 | sub shutdown { |
91 | sub shutdown { |
57 | $_->() for values %SHUTDOWN_HOOK; |
92 | $_->() for values %SHUTDOWN_HOOK; |
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93 | |
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94 | quit; |
58 | } |
95 | } |
59 | |
96 | |
60 | sub gl_check { |
97 | sub gl_check { |
61 | return unless $DEBUG; |
98 | return unless $DEBUG; |
62 | |
99 | |