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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 1.1 by root, Fri May 26 18:28:23 2006 UTC vs.
Revision 1.17 by root, Thu Jul 19 20:12:06 2007 UTC

1=head1 NAME 1=head1 NAME
2 2
3CFClient::Texture - tetxure class for CFClient 3CFPlus::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
15package CFClient::Texture; 15package CFPlus::Texture;
16 16
17use strict; 17use strict;
18 18
19use Scalar::Util; 19use List::Util qw(max min);
20
21use CFClient::OpenGL; 20use CFPlus::OpenGL;
22 21
23my %TEXTURES; 22my %TEXTURES;
23my ($MAX_W, $MAX_H) = (4096, 4096); # maximum texture size attempted by this module
24 24
25sub new { 25sub new {
26 my ($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 $self
40} 40}
41 41
42sub new_from_image { 42sub new_from_image {
43 my ($class, $image, %arg) = @_; 43 my ($class, $image, %arg) = @_;
44 44
45 $class->new (image => $image, %arg) 45 $class->new (image => $image, internalformat => undef, %arg)
46} 46}
47 47
48sub new_from_file { 48sub new_from_file {
49 my ($class, $path, %arg) = @_; 49 my ($class, $path, %arg) = @_;
50 50
… …
65# w => $surface->width, 65# w => $surface->width,
66# h => $surface->height, 66# h => $surface->height,
67# ) 67# )
68#} 68#}
69 69
70sub new_from_layout { 70#sub new_from_layout {
71 my ($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 => $format,
81 type => GL_UNSIGNED_BYTE, 81# type => GL_UNSIGNED_BYTE,
82 %arg, 82# %arg,
83 ) 83# )
84} 84#}
85 85
86sub new_from_opengl { 86sub new_from_opengl {
87 my ($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
92sub topot {
93 (grep $_ >= $_[0], 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768)[0]
94} 90}
95 91
96sub upload { 92sub upload {
97 my ($self) = @_; 93 my ($self) = @_;
98 94
99 return unless $GL_VERSION; 95 return unless $GL_VERSION;
100 96
101 my $data; 97 # $tw,$th texture
98 # $rw,$rh rendered/used size
99 # $dw,$dh $data
100
101 my ($data, $dw, $dh);
102 102
103 if (exists $self->{data}) { 103 if (exists $self->{data}) {
104 $data = $self->{data}; 104 $data = $self->{data};
105 ($dw, $dh) = @$self{qw(w h)};
105 106
106 } elsif (exists $self->{render_cb}) { 107 } elsif (exists $self->{render_cb}) {
108 ($dw, $dh) = @$self{qw(w h)};
109
110 } else {
111 ($self->{w}, $self->{h}, $data, my $internalformat, $self->{format}, $self->{type})
112 = CFPlus::load_image_inline $self->{image};
113
114 $self->{internalformat} ||= $internalformat;
115 ($dw, $dh) = @$self{qw(w h)};
116 }
117
118 my ($tw, $th) = ($dw, $dh);
119 my ($rw, $rh) = ($dw, $dh);
120
121 defined $data or $self->{render_cb} or die; # some sanity check
122
123 $self->{minified} ||= [CFPlus::average $dw, $dh, $data]
124 if $self->{minify};
125
126 # against rather broken cards we enforce a maximum texture size
127 $tw = min $MAX_W, minpot $tw;
128 $th = min $MAX_H, minpot $th;
129
130 # if only pot-textures are allowed, pot'ify tw/th
131 unless ($GL_NPOT && 0) {#d#
132 $tw = minpot $tw;
133 $th = minpot $th;
134 }
135
136 # now further decrease texture size until the
137 # card does accept it
138 while (!texture_valid_2d $self->{internalformat}, $tw, $th, $self->{format}, $self->{type}) {
139 # quarter the texture size
140 $tw >>= 1;
141 $th >>= 1;
142 }
143
144 if ($self->{render_cb}) {
145 # use only part of the texture
146 #$rw >>= 1 while $rw > $tw;
147 #$rh >>= 1 while $rh > $th;
148 $rw = min $rw, $tw;
149 $rh = min $rh, $th;
150 } else {
151 if ($self->{wrap} || $tw < $dw || $th < $dh) {
152 # scale to the full texture size
153 ($rw, $rh) = ($tw, $th);
154 } else {
155 # pad
156 pad $data, $dw, $dh, $tw, $th;
157 ($rw, $rh) = ($dw, $dh);
158 ($dw, $dh) = ($tw, $th);
159 }
160 }
161
162 # rendering means we need to scale in some way
163 my $render = $self->{render_cb} || $rw != $dw || $th != $dh;
164
165 if ($render) {
107 glViewport 0, 0, $self->{w}, $self->{h}; 166 glViewport 0, 0, $tw, $th;
167 glClear 0, 0, 0, 0;
108 glMatrixMode GL_PROJECTION; 168 glMatrixMode GL_PROJECTION;
109 glLoadIdentity; 169 glLoadIdentity;
110 glOrtho 0, $self->{w}, 0, $self->{h}, -10000, 10000; 170 glOrtho 0, $tw, 0, $th, -10000, 10000;
111 glMatrixMode GL_MODELVIEW; 171 glMatrixMode GL_MODELVIEW;
112 glLoadIdentity; 172 glLoadIdentity;
173
174 if ($self->{render_cb}) {
175 glScale $rw / $dw, $rh / $dh;
113 $self->{render_cb}->($self, $self->{w}, $self->{h}); 176 $self->{render_cb}->($self, $rw, $rh);
114
115 } else { 177 } else {
116 ($self->{w}, $self->{h}, $data, $self->{internalformat}, $self->{format}, $self->{type}) 178 glPixelZoom $tw / $dw, $th / $dh;
117 = CFClient::load_image_inline $self->{image}; 179 glDrawPixels $dw, $dh,
118 } 180 $self->{format},
119 181 $self->{type},
120 my ($tw, $th) = @$self{qw(w h)}; 182 $data;
121 183 glPixelZoom 1, 1;
122 unless ($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) {
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 } 184 }
141 } 185 }
142 186
143 $self->{s} = $self->{w} / $tw;
144 $self->{t} = $self->{h} / $th;
145
146 $self->{name} ||= glGenTexture;
147
148 glBindTexture GL_TEXTURE_2D, $self->{name}; 187 glBindTexture GL_TEXTURE_2D, $self->{name} ||= glGenTexture;
149 188
189 if ($self->{wrap}) {
150 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP; 190 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT;
151 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP; 191 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT;
192 } else {
193 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, $GL_VERSION >= 1.2 ? GL_CLAMP_TO_EDGE : GL_CLAMP;
194 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, $GL_VERSION >= 1.2 ? GL_CLAMP_TO_EDGE : GL_CLAMP;
195 }
152 196
153 if ($::FAST) { 197 if ($::FAST || $self->{nearest}) {
154 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST; 198 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST;
155 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST; 199 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST;
156 } elsif ($self->{mipmap} && $GL_VERSION >= 1.4) { 200 } elsif ($self->{mipmap} && $GL_VERSION >= 1.4) {
157 # alternatively check for 0x8191
158 glTexParameter GL_TEXTURE_2D, GL_GENERATE_MIPMAP, 1; 201 glTexParameter GL_TEXTURE_2D, GL_GENERATE_MIPMAP, 1;
159 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR; 202 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR;
160 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR; 203 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR;
161 } else { 204 } else {
162 glTexParameter GL_TEXTURE_2D, GL_GENERATE_MIPMAP, $self->{mipmap}; 205 glTexParameter GL_TEXTURE_2D, GL_GENERATE_MIPMAP, $self->{mipmap};
… …
164 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR; 207 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR;
165 } 208 }
166 209
167 glGetError; 210 glGetError;
168 211
169 if (defined $data) { 212 if ($render) {
170 glTexImage2D GL_TEXTURE_2D, 0,
171 $self->{internalformat},
172 $tw, $th,
173 0,
174 $self->{format},
175 $self->{type},
176 $data;
177 gl_check "uploading texture %dx%d if=%x f=%x t=%x",
178 $tw, $th, $self->{internalformat}, $self->{format}, $self->{type};
179 } else {
180 glCopyTexImage2D GL_TEXTURE_2D, 0, 213 glCopyTexImage2D GL_TEXTURE_2D, 0,
181 $self->{internalformat}, 214 $self->{internalformat},
182 0, 0, 215 0, 0,
183 $tw, $th, 216 $tw, $th,
184 0; 217 0;
185 gl_check "copying to texture %dx%d if=%x", 218 gl_check "copying to texture %dx%d if=%x",
186 $tw, $th, $self->{internalformat}; 219 $tw, $th, $self->{internalformat};
220 } else {
221 glTexImage2D GL_TEXTURE_2D, 0,
222 $self->{internalformat},
223 $dw, $dh,
224 0,
225 $self->{format},
226 $self->{type},
227 $data;
228 gl_check "uploading texture %dx%d if=%x f=%x t=%x",
229 $tw, $th, $self->{internalformat}, $self->{format}, $self->{type};
187 } 230 }
188 231
189 glBindTexture GL_TEXTURE_2D, 0; # just to be on the safe side 232 $self->{s} = $rw / $tw;
233 $self->{t} = $rh / $th;
190} 234}
235
236sub shutdown {
237 my ($self) = @_;
238
239 glDeleteTexture $self->{name}
240 if $self->{name};
241}
191 242
192sub DESTROY { 243sub DESTROY {
193 my ($self) = @_; 244 my ($self) = @_;
194 245
195 delete $TEXTURES{$self+0}; 246 delete $TEXTURES{$self+0};
196 247
197 glDeleteTexture delete $self->{name} 248 $self->shutdown;
198 if $self->{name};
199} 249}
200 250
201$CFClient::OpenGL::INIT_HOOK{"CFClient::Texture"} = sub { 251$CFPlus::OpenGL::INIT_HOOK{"CFPlus::Texture"} = sub {
252 # first mark all existing texture names as in-use, in case the context lost textures
253 glBindTexture GL_TEXTURE_2D, $_->{name}
254 for values %TEXTURES;
202 $_->upload 255 $_->upload
203 for values %TEXTURES; 256 for values %TEXTURES;
204}; 257};
205 258
259$CFPlus::OpenGL::SHUTDOWN_HOOK{"CFPlus::Texture"} = sub {
260 $_->shutdown
261 for values %TEXTURES;
262};
263
2061; 2641;
207 265
208=back 266=back
209 267
210=head1 AUTHOR 268=head1 AUTHOR

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