1 | =head1 NAME |
1 | =head1 NAME |
2 | |
2 | |
3 | CFClient::Texture - tetxure class for CFClient |
3 | CFPlus::Texture - tetxure class for CFPlus |
4 | |
4 | |
5 | =head1 SYNOPSIS |
5 | =head1 SYNOPSIS |
6 | |
6 | |
7 | use CFClient::Texture; |
7 | use CFPlus::Texture; |
8 | |
8 | |
9 | =head1 DESCRIPTION |
9 | =head1 DESCRIPTION |
10 | |
10 | |
11 | =over 4 |
11 | =over 4 |
12 | |
12 | |
13 | =cut |
13 | =cut |
14 | |
14 | |
15 | package CFClient::Texture; |
15 | package CFPlus::Texture; |
16 | |
16 | |
17 | use strict; |
17 | use strict; |
18 | |
18 | |
19 | use Scalar::Util; |
19 | use List::Util qw(max min); |
20 | |
|
|
21 | use CFClient::OpenGL; |
20 | use CFPlus::OpenGL; |
22 | |
21 | |
23 | my %TEXTURES; |
22 | my %TEXTURES; |
|
|
23 | my ($MAX_W, $MAX_H) = (4096, 4096); # maximum texture size attempted by this module |
24 | |
24 | |
25 | sub new { |
25 | sub new { |
26 | my ($class, %data) = @_; |
26 | my ($class, %data) = @_; |
27 | |
27 | |
28 | my $self = bless { |
28 | my $self = bless { |
… | |
… | |
30 | format => GL_RGBA, |
30 | format => GL_RGBA, |
31 | type => GL_UNSIGNED_BYTE, |
31 | type => GL_UNSIGNED_BYTE, |
32 | %data, |
32 | %data, |
33 | }, $class; |
33 | }, $class; |
34 | |
34 | |
35 | Scalar::Util::weaken ($TEXTURES{$self+0} = $self); |
35 | CFPlus::weaken ($TEXTURES{$self+0} = $self); |
36 | |
36 | |
37 | $self->upload; |
37 | $self->upload; |
38 | |
38 | |
39 | $self |
39 | $self |
40 | } |
40 | } |
41 | |
41 | |
42 | sub new_from_image { |
42 | sub new_from_image { |
43 | my ($class, $image, %arg) = @_; |
43 | my ($class, $image, %arg) = @_; |
44 | |
44 | |
45 | $class->new (image => $image, %arg) |
45 | $class->new (image => $image, internalformat => undef, %arg) |
46 | } |
46 | } |
47 | |
47 | |
48 | sub new_from_file { |
48 | sub new_from_file { |
49 | my ($class, $path, %arg) = @_; |
49 | my ($class, $path, %arg) = @_; |
50 | |
50 | |
… | |
… | |
65 | # w => $surface->width, |
65 | # w => $surface->width, |
66 | # h => $surface->height, |
66 | # h => $surface->height, |
67 | # ) |
67 | # ) |
68 | #} |
68 | #} |
69 | |
69 | |
70 | sub new_from_layout { |
70 | #sub new_from_layout { |
71 | my ($class, $layout, %arg) = @_; |
71 | # my ($class, $layout, %arg) = @_; |
72 | |
72 | # |
73 | my ($w, $h, $data, $format, $internalformat) = $layout->render; |
73 | # my ($w, $h, $data, $format, $internalformat) = $layout->render; |
74 | |
74 | # |
75 | $class->new ( |
75 | # $class->new ( |
76 | w => $w, |
76 | # w => $w, |
77 | h => $h, |
77 | # h => $h, |
78 | data => $data, |
78 | # data => $data, |
79 | format => $format, |
79 | # format => $format, |
80 | internalformat => $format, |
80 | # internalformat => $format, |
81 | type => GL_UNSIGNED_BYTE, |
81 | # type => GL_UNSIGNED_BYTE, |
82 | %arg, |
82 | # %arg, |
83 | ) |
83 | # ) |
84 | } |
84 | #} |
85 | |
85 | |
86 | sub new_from_opengl { |
86 | sub new_from_opengl { |
87 | my ($class, $w, $h, $cb) = @_; |
87 | my ($class, $w, $h, $cb) = @_; |
88 | |
88 | |
89 | $class->new (w => $w || 1, h => $h || 1, render_cb => $cb) |
89 | $class->new (w => $w || 1, h => $h || 1, render_cb => $cb, nearest => 1) |
90 | } |
|
|
91 | |
|
|
92 | sub topot { |
|
|
93 | (grep $_ >= $_[0], 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768)[0] |
|
|
94 | } |
90 | } |
95 | |
91 | |
96 | sub upload { |
92 | sub upload { |
97 | my ($self) = @_; |
93 | my ($self) = @_; |
98 | |
94 | |
99 | return unless $GL_VERSION; |
95 | return unless $GL_VERSION; |
100 | |
96 | |
101 | my $data; |
97 | my ($tw, $th, $data); |
102 | |
98 | |
103 | if (exists $self->{data}) { |
99 | if (exists $self->{data}) { |
104 | $data = $self->{data}; |
100 | $data = $self->{data}; |
|
|
101 | ($tw, $th) = @$self{qw(w h)}; |
105 | |
102 | |
106 | } elsif (exists $self->{render_cb}) { |
103 | } elsif (exists $self->{render_cb}) { |
|
|
104 | ($tw, $th) = @$self{qw(w h)}; |
|
|
105 | |
|
|
106 | } else { |
|
|
107 | ($self->{w}, $self->{h}, $data, my $internalformat, $self->{format}, $self->{type}) |
|
|
108 | = CFPlus::load_image_inline $self->{image}; |
|
|
109 | |
|
|
110 | $self->{internalformat} ||= $internalformat; |
|
|
111 | ($tw, $th) = @$self{qw(w h)}; |
|
|
112 | } |
|
|
113 | |
|
|
114 | defined $data or $self->{render_cb} or die; # some sanity check |
|
|
115 | |
|
|
116 | $self->{minified} ||= [CFPlus::average $tw, $th, $data] |
|
|
117 | if $self->{minify}; |
|
|
118 | |
|
|
119 | pad2pot $data, $tw, $th unless $GL_NPOT; |
|
|
120 | $tw = min $MAX_W, $tw; |
|
|
121 | $th = min $MAX_H, $th; |
|
|
122 | |
|
|
123 | # now further decrease texture size |
|
|
124 | while (!texture_valid_2d $self->{internalformat}, $tw, $th, $self->{format}, $self->{type}) { |
|
|
125 | # quarter the texture size |
|
|
126 | $tw >>= 1; |
|
|
127 | $th >>= 1; |
|
|
128 | } |
|
|
129 | |
|
|
130 | my $render = $self->{render_cb} || $tw < $self->{w} || $th < $self->{h}; |
|
|
131 | |
|
|
132 | if ($render) { |
107 | glViewport 0, 0, $self->{w}, $self->{h}; |
133 | glViewport 0, 0, $tw, $th; |
108 | glMatrixMode GL_PROJECTION; |
134 | glMatrixMode GL_PROJECTION; |
109 | glLoadIdentity; |
135 | glLoadIdentity; |
110 | glOrtho 0, $self->{w}, 0, $self->{h}, -10000, 10000; |
136 | glOrtho 0, $self->{w}, 0, $self->{h}, -10000, 10000; |
111 | glMatrixMode GL_MODELVIEW; |
137 | glMatrixMode GL_MODELVIEW; |
112 | glLoadIdentity; |
138 | glLoadIdentity; |
|
|
139 | |
|
|
140 | if ($self->{render_cb}) { |
113 | $self->{render_cb}->($self, $self->{w}, $self->{h}); |
141 | $self->{render_cb}->($self, $self->{w}, $self->{h}); |
114 | |
|
|
115 | } else { |
142 | } else { |
116 | ($self->{w}, $self->{h}, $data, $self->{internalformat}, $self->{format}, $self->{type}) |
143 | glPixelZoom $tw / $self->{w}, $th / $self->{h}; |
117 | = CFClient::load_image_inline $self->{image}; |
144 | glDrawPixels $self->{w}, $self->{h}, |
118 | } |
145 | $self->{format}, |
119 | |
146 | $self->{type}, |
120 | my ($tw, $th) = @$self{qw(w h)}; |
147 | $data; |
121 | |
148 | glPixelZoom 1, 1; |
122 | unless ($tw > 0 && $th > 0) { |
|
|
123 | $tw = $th = 1; |
|
|
124 | $data = "\x00" x 64; |
|
|
125 | } |
|
|
126 | |
|
|
127 | $self->{minified} ||= [CFClient::average $tw, $th, $data] |
|
|
128 | if $self->{minify}; |
|
|
129 | |
|
|
130 | unless ($GL_NPOT) { |
|
|
131 | # TODO: does not work for zero-sized textures |
|
|
132 | $tw = topot $tw; |
|
|
133 | $th = topot $th; |
|
|
134 | |
|
|
135 | if (($tw != $self->{w} || $th != $self->{h}) && defined $data) { |
|
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136 | my $bpp = (length $data) / ($self->{w} * $self->{h}); |
|
|
137 | $data = pack "(a" . ($tw * $bpp) . ")*", |
|
|
138 | unpack "(a" . ($self->{w} * $bpp) . ")*", $data; |
|
|
139 | $data .= ("\x00" x ($tw * $bpp)) x ($th - $self->{h}); |
|
|
140 | } |
149 | } |
141 | } |
150 | } |
142 | |
151 | |
143 | $self->{s} = $self->{w} / $tw; |
|
|
144 | $self->{t} = $self->{h} / $th; |
|
|
145 | |
|
|
146 | $self->{name} ||= glGenTexture; |
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|
147 | |
|
|
148 | glBindTexture GL_TEXTURE_2D, $self->{name}; |
152 | glBindTexture GL_TEXTURE_2D, $self->{name} ||= glGenTexture; |
149 | |
153 | |
150 | if ($self->{wrap}) { |
154 | if ($self->{wrap}) { |
151 | glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT; |
155 | glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT; |
152 | glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT; |
156 | glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT; |
153 | } else { |
157 | } else { |
154 | glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, $GL_VERSION >= 1.2 ? GL_CLAMP_TO_EDGE : GL_CLAMP; |
158 | glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, $GL_VERSION >= 1.2 ? GL_CLAMP_TO_EDGE : GL_CLAMP; |
155 | glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, $GL_VERSION >= 1.2 ? GL_CLAMP_TO_EDGE : GL_CLAMP; |
159 | glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, $GL_VERSION >= 1.2 ? GL_CLAMP_TO_EDGE : GL_CLAMP; |
156 | } |
160 | } |
157 | |
161 | |
158 | if ($::FAST) { |
162 | if ($::FAST || $self->{nearest}) { |
159 | glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST; |
163 | glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST; |
160 | glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST; |
164 | glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST; |
161 | } elsif ($self->{mipmap} && $GL_VERSION >= 1.4) { |
165 | } elsif ($self->{mipmap} && $GL_VERSION >= 1.4) { |
162 | # alternatively check for 0x8191 |
|
|
163 | glTexParameter GL_TEXTURE_2D, GL_GENERATE_MIPMAP, 1; |
166 | glTexParameter GL_TEXTURE_2D, GL_GENERATE_MIPMAP, 1; |
164 | glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR; |
167 | glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR; |
165 | glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR; |
168 | glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR; |
166 | } else { |
169 | } else { |
167 | glTexParameter GL_TEXTURE_2D, GL_GENERATE_MIPMAP, $self->{mipmap}; |
170 | glTexParameter GL_TEXTURE_2D, GL_GENERATE_MIPMAP, $self->{mipmap}; |
… | |
… | |
169 | glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR; |
172 | glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR; |
170 | } |
173 | } |
171 | |
174 | |
172 | glGetError; |
175 | glGetError; |
173 | |
176 | |
174 | if (defined $data) { |
177 | if ($render) { |
|
|
178 | glCopyTexImage2D GL_TEXTURE_2D, 0, |
|
|
179 | $self->{internalformat}, |
|
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180 | 0, 0, |
|
|
181 | $tw, $th, |
|
|
182 | 0; |
|
|
183 | gl_check "copying to texture %dx%d if=%x", |
|
|
184 | $tw, $th, $self->{internalformat}; |
|
|
185 | } else { |
175 | glTexImage2D GL_TEXTURE_2D, 0, |
186 | glTexImage2D GL_TEXTURE_2D, 0, |
176 | $self->{internalformat}, |
187 | $self->{internalformat}, |
177 | $tw, $th, |
188 | $tw, $th, |
178 | 0, |
189 | 0, |
179 | $self->{format}, |
190 | $self->{format}, |
180 | $self->{type}, |
191 | $self->{type}, |
181 | $data; |
192 | $data; |
182 | gl_check "uploading texture %dx%d if=%x f=%x t=%x", |
193 | gl_check "uploading texture %dx%d if=%x f=%x t=%x", |
183 | $tw, $th, $self->{internalformat}, $self->{format}, $self->{type}; |
194 | $tw, $th, $self->{internalformat}, $self->{format}, $self->{type}; |
184 | } else { |
|
|
185 | glCopyTexImage2D GL_TEXTURE_2D, 0, |
|
|
186 | $self->{internalformat}, |
|
|
187 | 0, 0, |
|
|
188 | $tw, $th, |
|
|
189 | 0; |
|
|
190 | gl_check "copying to texture %dx%d if=%x", |
|
|
191 | $tw, $th, $self->{internalformat}; |
|
|
192 | } |
195 | } |
193 | |
196 | |
194 | glBindTexture GL_TEXTURE_2D, 0; # just to be on the safe side |
197 | $self->{s} = min 1, $self->{w} / $tw; |
|
|
198 | $self->{t} = min 1, $self->{h} / $th; |
195 | } |
199 | } |
|
|
200 | |
|
|
201 | sub shutdown { |
|
|
202 | my ($self) = @_; |
|
|
203 | |
|
|
204 | glDeleteTexture $self->{name} |
|
|
205 | if $self->{name}; |
|
|
206 | } |
196 | |
207 | |
197 | sub DESTROY { |
208 | sub DESTROY { |
198 | my ($self) = @_; |
209 | my ($self) = @_; |
199 | |
210 | |
200 | delete $TEXTURES{$self+0}; |
211 | delete $TEXTURES{$self+0}; |
201 | |
212 | |
202 | glDeleteTexture delete $self->{name} |
213 | $self->shutdown; |
203 | if $self->{name}; |
|
|
204 | } |
214 | } |
205 | |
215 | |
206 | $CFClient::OpenGL::INIT_HOOK{"CFClient::Texture"} = sub { |
216 | $CFPlus::OpenGL::INIT_HOOK{"CFPlus::Texture"} = sub { |
|
|
217 | # first mark all existing texture names as in-use, in case the context lost textures |
|
|
218 | glBindTexture GL_TEXTURE_2D, $_->{name} |
|
|
219 | for values %TEXTURES; |
207 | $_->upload |
220 | $_->upload |
208 | for values %TEXTURES; |
221 | for values %TEXTURES; |
209 | }; |
222 | }; |
210 | |
223 | |
|
|
224 | $CFPlus::OpenGL::SHUTDOWN_HOOK{"CFPlus::Texture"} = sub { |
|
|
225 | $_->shutdown |
|
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226 | for values %TEXTURES; |
|
|
227 | }; |
|
|
228 | |
211 | 1; |
229 | 1; |
212 | |
230 | |
213 | =back |
231 | =back |
214 | |
232 | |
215 | =head1 AUTHOR |
233 | =head1 AUTHOR |