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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 |
12 | |
14 | |
13 | our $DEBUG = 1; |
15 | our $DEBUG = 1; |
14 | our %INIT_HOOK; |
16 | our %INIT_HOOK; |
15 | our %SHUTDOWN_HOOK; |
17 | our %SHUTDOWN_HOOK; |
16 | |
18 | |
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29 | |
31 | |
30 | sub init { |
32 | sub init { |
31 | $GL_VERSION = gl_version * 1; |
33 | $GL_VERSION = gl_version * 1; |
32 | %GL_EXT = map +($_ => 1), split /\s+/, gl_extensions; |
34 | %GL_EXT = map +($_ => 1), split /\s+/, gl_extensions; |
33 | |
35 | |
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36 | unless (defined $::CFG->{force_opengl11}) { |
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37 | # try to find a suitable default |
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38 | if ( |
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39 | $GL_VERSION >= 2.0 |
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40 | && (!$GL_EXT{GL_ARB_texture_non_power_of_two} |
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41 | || !$GL_EXT{GL_EXT_blend_func_separate}) |
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42 | ) { |
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43 | $::CFG->{force_opengl11} = 1; |
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44 | } else { |
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45 | $::CFG->{force_opengl11} = 0; |
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46 | } |
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47 | } |
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48 | |
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49 | if ($::CFG->{force_opengl11}) { |
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50 | $GL_VERSION = 1.1; |
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51 | %GL_EXT = (); |
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52 | } |
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53 | |
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54 | $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; |
55 | $GL_NPOT = $GL_EXT{GL_ARB_texture_non_power_of_two} || $GL_VERSION >= 2.0; |
35 | $GL_NPOT = 0 if gl_vendor =~ /ATI Technologies/; # ATI doesn't get it right... |
56 | $GL_COMPRESS = $GL_EXT{GL_ARB_texture_compression} || $GL_VERSION >= 1.3; |
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57 | |
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58 | disable_GL_EXT_blend_func_separate |
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59 | unless $GL_BFSEP; |
36 | |
60 | |
37 | glDisable GL_COLOR_MATERIAL; |
61 | glDisable GL_COLOR_MATERIAL; |
38 | glShadeModel GL_FLAT; |
62 | glShadeModel GL_FLAT; |
39 | glDisable GL_DITHER; |
63 | glDisable GL_DITHER; |
40 | glDisable GL_DEPTH_TEST; |
64 | glDisable GL_DEPTH_TEST; |
41 | glDepthMask 0; |
65 | glDepthMask 0; |
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66 | |
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67 | my $hint = $::FAST ? GL_FASTEST : GL_NICEST; |
42 | glHint GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST; |
68 | glHint GL_PERSPECTIVE_CORRECTION_HINT, $hint; |
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69 | glHint GL_POINT_SMOOTH_HINT , $hint; |
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70 | glHint GL_LINE_SMOOTH_HINT , $hint; |
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71 | glHint GL_POLYGON_SMOOTH_HINT , $hint; |
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72 | glHint GL_GENERATE_MIPMAP_HINT , $hint; |
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73 | glHint GL_TEXTURE_COMPRESSION_HINT , $hint; |
43 | glDrawBuffer GL_BACK; |
74 | #glDrawBuffer GL_BACK; |
44 | glReadBuffer GL_BACK; |
75 | #glReadBuffer GL_BACK; |
45 | |
76 | |
46 | $_->() for values %INIT_HOOK; |
77 | $_->() for values %INIT_HOOK; |
47 | } |
78 | } |
48 | |
79 | |
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80 | sub quit { |
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81 | undef $GL_VERSION; |
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82 | undef %GL_EXT; |
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83 | } |
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84 | |
49 | sub shutdown { |
85 | sub shutdown { |
50 | $_->() for values %SHUTDOWN_HOOK; |
86 | $_->() for values %SHUTDOWN_HOOK; |
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87 | |
|
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88 | quit; |
51 | } |
89 | } |
52 | |
90 | |
53 | sub gl_check { |
91 | sub gl_check { |
54 | return unless $DEBUG; |
92 | return unless $DEBUG; |
55 | |
93 | |