| … | |
… | |
| 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, $path, %arg) = @_; |
| 50 | |
50 | |
| … | |
… | |
| 87 | my ($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) |
| 90 | } |
90 | } |
| 91 | |
91 | |
| 92 | sub topot { |
|
|
| 93 | (grep $_ >= $_[0], 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768)[0] |
|
|
| 94 | } |
|
|
| 95 | |
|
|
| 96 | sub upload { |
92 | sub upload { |
| 97 | my ($self) = @_; |
93 | my ($self) = @_; |
| 98 | |
94 | |
| 99 | return unless $GL_VERSION; |
95 | return unless $GL_VERSION; |
| 100 | |
96 | |
| … | |
… | |
| 111 | glMatrixMode GL_MODELVIEW; |
107 | glMatrixMode GL_MODELVIEW; |
| 112 | glLoadIdentity; |
108 | glLoadIdentity; |
| 113 | $self->{render_cb}->($self, $self->{w}, $self->{h}); |
109 | $self->{render_cb}->($self, $self->{w}, $self->{h}); |
| 114 | |
110 | |
| 115 | } else { |
111 | } else { |
| 116 | ($self->{w}, $self->{h}, $data, $self->{internalformat}, $self->{format}, $self->{type}) |
112 | ($self->{w}, $self->{h}, $data, my $internalformat, $self->{format}, $self->{type}) |
| 117 | = CFClient::load_image_inline $self->{image}; |
113 | = CFClient::load_image_inline $self->{image}; |
|
|
114 | |
|
|
115 | $self->{internalformat} ||= $internalformat; |
| 118 | } |
116 | } |
| 119 | |
117 | |
| 120 | my ($tw, $th) = @$self{qw(w h)}; |
118 | my ($tw, $th) = @$self{qw(w h)}; |
| 121 | |
|
|
| 122 | unless ($tw > 0 && $th > 0) { |
|
|
| 123 | $tw = $th = 1; |
|
|
| 124 | $data = "\x00" x 64; |
|
|
| 125 | } |
|
|
| 126 | |
119 | |
| 127 | $self->{minified} ||= [CFClient::average $tw, $th, $data] |
120 | $self->{minified} ||= [CFClient::average $tw, $th, $data] |
| 128 | if $self->{minify}; |
121 | if $self->{minify}; |
| 129 | |
122 | |
| 130 | unless ($GL_NPOT) { |
123 | pad2pot $data, $tw, $th 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) { |
|
|
| 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 | } |
|
|
| 141 | } |
|
|
| 142 | |
124 | |
| 143 | $self->{s} = $self->{w} / $tw; |
125 | $self->{s} = $self->{w} / $tw; |
| 144 | $self->{t} = $self->{h} / $th; |
126 | $self->{t} = $self->{h} / $th; |
| 145 | |
127 | |
| 146 | $self->{name} ||= glGenTexture; |
128 | $self->{name} ||= glGenTexture; |
| … | |
… | |
| 187 | $tw, $th, |
169 | $tw, $th, |
| 188 | 0; |
170 | 0; |
| 189 | gl_check "copying to texture %dx%d if=%x", |
171 | gl_check "copying to texture %dx%d if=%x", |
| 190 | $tw, $th, $self->{internalformat}; |
172 | $tw, $th, $self->{internalformat}; |
| 191 | } |
173 | } |
| 192 | |
|
|
| 193 | glBindTexture GL_TEXTURE_2D, 0; # just to be on the safe side |
|
|
| 194 | } |
174 | } |
| 195 | |
175 | |
| 196 | sub DESTROY { |
176 | sub DESTROY { |
| 197 | my ($self) = @_; |
177 | my ($self) = @_; |
| 198 | |
178 | |
