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/cvs/deliantra/Deliantra-Client/DC/Texture.pm
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Comparing deliantra/Deliantra-Client/DC/Texture.pm (file contents):
Revision 1.30 by root, Wed Dec 26 20:46:39 2007 UTC vs.
Revision 1.37 by root, Sun Nov 15 19:05:14 2009 UTC

1=head1 NAME 1=head1 NAME
2 2
3dc::Texture - tetxure class for CFPlus 3DC::Texture - tetxure class for Deliantra-Client
4 4
5=head1 SYNOPSIS 5=head1 SYNOPSIS
6 6
7 use dc::Texture; 7 use DC::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
15package dc::Texture; 15package DC::Texture;
16 16
17use strict; 17use strict;
18 18
19use List::Util qw(max min); 19use List::Util qw(max min);
20use dc::OpenGL; 20use DC::OpenGL;
21 21
22my %TEXTURES; 22my %TEXTURES;
23my ($MAX_W, $MAX_H) = (4096, 4096); # maximum texture size attempted by this module 23my ($MAX_W, $MAX_H) = (4096, 4096); # maximum texture size attempted by this module
24 24
25sub new { 25sub new {
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 }, $class;
34 34
35 dc::weaken ($TEXTURES{$self+0} = $self); 35 DC::weaken ($TEXTURES{$self+0} = $self);
36 36
37 $self->upload 37 $self->upload
38 unless delete $self->{delay}; 38 unless delete $self->{delay};
39 39
40 $self 40 $self
47 unless defined $image; 47 unless defined $image;
48 48
49 $class->new (image => $image, internalformat => undef, %arg) 49 $class->new (image => $image, internalformat => undef, %arg)
50} 50}
51 51
52
53sub new_from_file { 52sub new_from_resource {
54 my ($class, $path, %arg) = @_; 53 my ($class, $path, %arg) = @_;
55 54
56 open my $fh, "<:raw", $path 55 $class->new (resource_path => $path, internalformat => undef, %arg)
57 or die "$path: $!";
58
59 local $/;
60 $class->new_from_image (<$fh>, %arg)
61} 56}
62 57
63#sub new_from_surface { 58#sub new_from_surface {
64# my ($class, $surface) = @_; 59# my ($class, $surface) = @_;
65# 60#
121 # $rw,$rh rendered/used size 116 # $rw,$rh rendered/used size
122 # $dw,$dh $data 117 # $dw,$dh $data
123 118
124 my ($data, $dw, $dh); 119 my ($data, $dw, $dh);
125 120
121 if (exists $self->{resource_path}) {
122 open my $fh, "<:raw", DC::find_rcfile $self->{resource_path};
123 local $/;
124 delete $self->{internalformat};
125 $self->{image} = <$fh>;
126 $self->{delete_image} = 1;
127 }
128
126 if (defined $self->{data}) { 129 if (defined $self->{data}) {
127 $data = $self->{data}; 130 $data = $self->{data};
128 ($dw, $dh) = @$self{qw(w h)}; 131 ($dw, $dh) = @$self{qw(w h)};
129 132
130 } elsif ($self->{render_cb}) { 133 } elsif ($self->{render_cb}) {
131 ($dw, $dh) = @$self{qw(w h)}; 134 ($dw, $dh) = @$self{qw(w h)};
132 135
133 } elsif (defined $self->{image}) { 136 } elsif (defined $self->{image}) {
134 ($self->{w}, $self->{h}, $data, my $internalformat, $self->{format}, $self->{type}) 137 ($self->{w}, $self->{h}, $data, my $internalformat, $self->{format}, $self->{type})
135 = dc::load_image_inline $self->{image}; 138 = DC::load_image_inline $self->{image};
136 139
137 $self->{internalformat} ||= $internalformat; 140 $self->{internalformat} ||= $internalformat;
138 ($dw, $dh) = @$self{qw(w h)}; 141 ($dw, $dh) = @$self{qw(w h)};
139 142
140 delete $self->{image} if delete $self->{delete_image}; 143 delete $self->{image} if delete $self->{delete_image};
141 144
142 } elsif (defined $self->{tile}) { 145 } elsif (defined $self->{tile}) {
143 ++$self->{loading}; 146 ++$self->{loading};
144 return dc::DB::get tilecache => $self->{tile}, sub { 147 return DC::DB::get tilecache => $self->{tile}, sub {
145 $self->loading_done ($_[0]); 148 $self->loading_done ($_[0]);
146 }; 149 };
147 150
148 } elsif (defined $self->{path}) { 151 } elsif (defined $self->{path}) {
149 ++$self->{loading}; 152 ++$self->{loading};
150 return dc::DB::read_file $self->{path}, sub { 153 return DC::DB::read_file $self->{path}, sub {
151 $self->loading_done ($_[0]); 154 $self->loading_done ($_[0]);
152 }; 155 };
153 156
154 } else { 157 } else {
155 Carp::confess "tried to create texture that is not data, render or image"; 158 Carp::confess "tried to create texture that is not data, render or image";
157 160
158 my ($tw, $th) = ($dw, $dh); 161 my ($tw, $th) = ($dw, $dh);
159 162
160 defined $data or $self->{render_cb} or die; # some sanity check 163 defined $data or $self->{render_cb} or die; # some sanity check
161 164
162 $self->{minified} ||= [dc::average $dw, $dh, $data] 165 $self->{minified} ||= [DC::average $dw, $dh, $data]
163 if $self->{minify}; 166 if $self->{minify};
164 167
165 # against rather broken cards we enforce a maximum texture size 168 # against rather broken cards we enforce a maximum texture size
166 $tw = min $MAX_W, $tw; 169 $tw = min $MAX_W, $tw;
167 $th = min $MAX_H, $th; 170 $th = min $MAX_H, $th;
168 171
169 # if only pot-textures are allowed, pot'ify tw/th 172 # if only pot-textures are allowed, pot'ify tw/th
170 unless ($GL_NPOT) { 173 unless ($GL_NPOT) {
171 $tw = dc::minpot $tw; 174 $tw = DC::minpot $tw;
172 $th = dc::minpot $th; 175 $th = DC::minpot $th;
173 } 176 }
174 177
175 # now further decrease texture size until the 178 # now further decrease texture size until the
176 # card does accept it 179 # card does accept it
177 while (!texture_valid_2d $self->{internalformat}, $tw, $th, $self->{format}, $self->{type}) { 180 while (!texture_valid_2d $self->{internalformat}, $tw, $th, $self->{format}, $self->{type}) {
180 $th >>= 1; 183 $th >>= 1;
181 } 184 }
182 185
183 # decide the amount of space used in the texture 186 # decide the amount of space used in the texture
184 my ($rw, $rh); 187 my ($rw, $rh);
185 my ($ox, $oy); # area shift to lessen effetc of buggy opengl implementations (nvida, ati) 188 my ($ox, $oy); # area shift to lessen effect of buggy opengl implementations (nvida, ati)
186 my $render; 189 my $render;
187 190
188 if ($self->{render_cb}) { 191 if ($self->{render_cb}) {
189 # use only part of the texture 192 # use only part of the texture
190 #$rw >>= 1 while $rw > $tw; 193 #$rw >>= 1 while $rw > $tw;
323 delete $TEXTURES{$self+0}; 326 delete $TEXTURES{$self+0};
324 327
325 $self->unload; 328 $self->unload;
326} 329}
327 330
328$dc::OpenGL::INIT_HOOK{"dc::Texture"} = sub { 331$DC::OpenGL::INIT_HOOK{"DC::Texture"} = sub {
329 for (values %TEXTURES) { 332 for my $tex (values %TEXTURES) {
330 $_->upload if $_->{want_upload}; 333 if (my $name = $tex->{want_upload}) {
334 $tex->upload;
335
336 if ($tex->{loading} && $name > 0) {
337 # if loading is delayed we still have to allocate the texture name
338 glBindTexture GL_TEXTURE_2D, $name;
339 glTexImage2D GL_TEXTURE_2D, 0, GL_ALPHA, 0, 0, 0, GL_ALPHA, GL_UNSIGNED_BYTE;
340 }
341 }
331 } 342 }
332}; 343};
333 344
334$dc::OpenGL::SHUTDOWN_HOOK{"dc::Texture"} = sub { 345$DC::OpenGL::SHUTDOWN_HOOK{"DC::Texture"} = sub {
335 for (values %TEXTURES) { 346 for (values %TEXTURES) {
336 next unless $_->{name}; 347 next unless $_->{name};
337 $_->{want_upload} = $_->{name}; 348 $_->{want_upload} = $_->{name};
338 $_->unload; 349 $_->unload;
339 } 350 }

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