1 |
root |
1.1 |
=head1 NAME |
2 |
|
|
|
3 |
root |
1.11 |
CFPlus::Texture - tetxure class for CFPlus |
4 |
root |
1.1 |
|
5 |
|
|
=head1 SYNOPSIS |
6 |
|
|
|
7 |
root |
1.11 |
use CFPlus::Texture; |
8 |
root |
1.1 |
|
9 |
|
|
=head1 DESCRIPTION |
10 |
|
|
|
11 |
|
|
=over 4 |
12 |
|
|
|
13 |
|
|
=cut |
14 |
|
|
|
15 |
root |
1.11 |
package CFPlus::Texture; |
16 |
root |
1.1 |
|
17 |
|
|
use strict; |
18 |
|
|
|
19 |
root |
1.11 |
use CFPlus::OpenGL; |
20 |
root |
1.1 |
|
21 |
|
|
my %TEXTURES; |
22 |
|
|
|
23 |
|
|
sub new { |
24 |
|
|
my ($class, %data) = @_; |
25 |
|
|
|
26 |
|
|
my $self = bless { |
27 |
|
|
internalformat => GL_RGBA, |
28 |
|
|
format => GL_RGBA, |
29 |
|
|
type => GL_UNSIGNED_BYTE, |
30 |
|
|
%data, |
31 |
|
|
}, $class; |
32 |
|
|
|
33 |
root |
1.13 |
CFPlus::weaken ($TEXTURES{$self+0} = $self); |
34 |
root |
1.1 |
|
35 |
|
|
$self->upload; |
36 |
|
|
|
37 |
|
|
$self |
38 |
|
|
} |
39 |
|
|
|
40 |
|
|
sub new_from_image { |
41 |
|
|
my ($class, $image, %arg) = @_; |
42 |
|
|
|
43 |
root |
1.7 |
$class->new (image => $image, internalformat => undef, %arg) |
44 |
root |
1.1 |
} |
45 |
|
|
|
46 |
|
|
sub new_from_file { |
47 |
|
|
my ($class, $path, %arg) = @_; |
48 |
|
|
|
49 |
|
|
open my $fh, "<:raw", $path |
50 |
|
|
or die "$path: $!"; |
51 |
|
|
|
52 |
|
|
local $/; |
53 |
|
|
$class->new_from_image (<$fh>, %arg) |
54 |
|
|
} |
55 |
|
|
|
56 |
|
|
#sub new_from_surface { |
57 |
|
|
# my ($class, $surface) = @_; |
58 |
|
|
# |
59 |
|
|
# $surface->rgba; |
60 |
|
|
# |
61 |
|
|
# $class->new ( |
62 |
|
|
# data => $surface->pixels, |
63 |
|
|
# w => $surface->width, |
64 |
|
|
# h => $surface->height, |
65 |
|
|
# ) |
66 |
|
|
#} |
67 |
|
|
|
68 |
root |
1.10 |
#sub new_from_layout { |
69 |
|
|
# my ($class, $layout, %arg) = @_; |
70 |
|
|
# |
71 |
|
|
# my ($w, $h, $data, $format, $internalformat) = $layout->render; |
72 |
|
|
# |
73 |
|
|
# $class->new ( |
74 |
|
|
# w => $w, |
75 |
|
|
# h => $h, |
76 |
|
|
# data => $data, |
77 |
|
|
# format => $format, |
78 |
|
|
# internalformat => $format, |
79 |
|
|
# type => GL_UNSIGNED_BYTE, |
80 |
|
|
# %arg, |
81 |
|
|
# ) |
82 |
|
|
#} |
83 |
root |
1.1 |
|
84 |
|
|
sub new_from_opengl { |
85 |
|
|
my ($class, $w, $h, $cb) = @_; |
86 |
|
|
|
87 |
root |
1.12 |
$class->new (w => $w || 1, h => $h || 1, render_cb => $cb, nearest => 1) |
88 |
root |
1.1 |
} |
89 |
|
|
|
90 |
|
|
sub upload { |
91 |
|
|
my ($self) = @_; |
92 |
|
|
|
93 |
|
|
return unless $GL_VERSION; |
94 |
|
|
|
95 |
|
|
my $data; |
96 |
|
|
|
97 |
|
|
if (exists $self->{data}) { |
98 |
|
|
$data = $self->{data}; |
99 |
|
|
|
100 |
|
|
} elsif (exists $self->{render_cb}) { |
101 |
|
|
glViewport 0, 0, $self->{w}, $self->{h}; |
102 |
|
|
glMatrixMode GL_PROJECTION; |
103 |
|
|
glLoadIdentity; |
104 |
|
|
glOrtho 0, $self->{w}, 0, $self->{h}, -10000, 10000; |
105 |
|
|
glMatrixMode GL_MODELVIEW; |
106 |
|
|
glLoadIdentity; |
107 |
|
|
$self->{render_cb}->($self, $self->{w}, $self->{h}); |
108 |
|
|
|
109 |
|
|
} else { |
110 |
root |
1.7 |
($self->{w}, $self->{h}, $data, my $internalformat, $self->{format}, $self->{type}) |
111 |
root |
1.11 |
= CFPlus::load_image_inline $self->{image}; |
112 |
root |
1.7 |
|
113 |
|
|
$self->{internalformat} ||= $internalformat; |
114 |
root |
1.1 |
} |
115 |
|
|
|
116 |
|
|
my ($tw, $th) = @$self{qw(w h)}; |
117 |
|
|
|
118 |
root |
1.11 |
$self->{minified} ||= [CFPlus::average $tw, $th, $data] |
119 |
root |
1.1 |
if $self->{minify}; |
120 |
|
|
|
121 |
root |
1.5 |
pad2pot $data, $tw, $th unless $GL_NPOT; |
122 |
root |
1.1 |
|
123 |
|
|
$self->{s} = $self->{w} / $tw; |
124 |
|
|
$self->{t} = $self->{h} / $th; |
125 |
|
|
|
126 |
|
|
$self->{name} ||= glGenTexture; |
127 |
|
|
|
128 |
|
|
glBindTexture GL_TEXTURE_2D, $self->{name}; |
129 |
|
|
|
130 |
root |
1.2 |
if ($self->{wrap}) { |
131 |
|
|
glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT; |
132 |
|
|
glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT; |
133 |
|
|
} else { |
134 |
|
|
glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, $GL_VERSION >= 1.2 ? GL_CLAMP_TO_EDGE : GL_CLAMP; |
135 |
|
|
glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, $GL_VERSION >= 1.2 ? GL_CLAMP_TO_EDGE : GL_CLAMP; |
136 |
|
|
} |
137 |
root |
1.1 |
|
138 |
root |
1.12 |
if ($::FAST || $self->{nearest}) { |
139 |
root |
1.1 |
glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST; |
140 |
|
|
glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST; |
141 |
|
|
} elsif ($self->{mipmap} && $GL_VERSION >= 1.4) { |
142 |
|
|
glTexParameter GL_TEXTURE_2D, GL_GENERATE_MIPMAP, 1; |
143 |
|
|
glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR; |
144 |
|
|
glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR; |
145 |
|
|
} else { |
146 |
|
|
glTexParameter GL_TEXTURE_2D, GL_GENERATE_MIPMAP, $self->{mipmap}; |
147 |
|
|
glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR; |
148 |
|
|
glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR; |
149 |
|
|
} |
150 |
|
|
|
151 |
|
|
glGetError; |
152 |
|
|
|
153 |
|
|
if (defined $data) { |
154 |
|
|
glTexImage2D GL_TEXTURE_2D, 0, |
155 |
|
|
$self->{internalformat}, |
156 |
|
|
$tw, $th, |
157 |
|
|
0, |
158 |
|
|
$self->{format}, |
159 |
|
|
$self->{type}, |
160 |
|
|
$data; |
161 |
|
|
gl_check "uploading texture %dx%d if=%x f=%x t=%x", |
162 |
|
|
$tw, $th, $self->{internalformat}, $self->{format}, $self->{type}; |
163 |
|
|
} else { |
164 |
root |
1.9 |
exists $self->{render_cb} or die; |
165 |
root |
1.1 |
glCopyTexImage2D GL_TEXTURE_2D, 0, |
166 |
|
|
$self->{internalformat}, |
167 |
|
|
0, 0, |
168 |
|
|
$tw, $th, |
169 |
|
|
0; |
170 |
|
|
gl_check "copying to texture %dx%d if=%x", |
171 |
|
|
$tw, $th, $self->{internalformat}; |
172 |
|
|
} |
173 |
|
|
} |
174 |
|
|
|
175 |
root |
1.8 |
sub shutdown { |
176 |
|
|
my ($self) = @_; |
177 |
|
|
|
178 |
root |
1.9 |
glDeleteTexture $self->{name} |
179 |
root |
1.8 |
if $self->{name}; |
180 |
|
|
} |
181 |
|
|
|
182 |
root |
1.1 |
sub DESTROY { |
183 |
|
|
my ($self) = @_; |
184 |
|
|
|
185 |
|
|
delete $TEXTURES{$self+0}; |
186 |
|
|
|
187 |
root |
1.8 |
$self->shutdown; |
188 |
root |
1.1 |
} |
189 |
|
|
|
190 |
root |
1.11 |
$CFPlus::OpenGL::INIT_HOOK{"CFPlus::Texture"} = sub { |
191 |
root |
1.9 |
# first mark all existing texture names as in-use, in case the context lost textures |
192 |
|
|
glBindTexture GL_TEXTURE_2D, $_->{name} |
193 |
|
|
for values %TEXTURES; |
194 |
root |
1.1 |
$_->upload |
195 |
|
|
for values %TEXTURES; |
196 |
|
|
}; |
197 |
|
|
|
198 |
root |
1.11 |
$CFPlus::OpenGL::SHUTDOWN_HOOK{"CFPlus::Texture"} = sub { |
199 |
root |
1.8 |
$_->shutdown |
200 |
|
|
for values %TEXTURES; |
201 |
|
|
}; |
202 |
|
|
|
203 |
root |
1.1 |
1; |
204 |
|
|
|
205 |
|
|
=back |
206 |
|
|
|
207 |
|
|
=head1 AUTHOR |
208 |
|
|
|
209 |
|
|
Marc Lehmann <schmorp@schmorp.de> |
210 |
|
|
http://home.schmorp.de/ |
211 |
|
|
|
212 |
|
|
=cut |
213 |
|
|
|