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/cvs/deliantra/Deliantra-Client/DC.pm
Revision: 1.59
Committed: Tue May 23 17:30:18 2006 UTC (17 years, 11 months ago) by elmex
Branch: MAIN
Changes since 1.58: +1 -0 lines
Log Message:
ATI gfx card workaround for NPOT

File Contents

# Content
1 =head1 NAME
2
3 CFClient - undocumented utility garbage for our crossfire client
4
5 =head1 SYNOPSIS
6
7 use CFClient;
8
9 =head1 DESCRIPTION
10
11 =over 4
12
13 =cut
14
15 package CFClient;
16
17 BEGIN {
18 $VERSION = '0.1';
19
20 use XSLoader;
21 XSLoader::load "CFClient", $VERSION;
22 }
23
24 use Carp ();
25 use AnyEvent ();
26 use BerkeleyDB;
27
28 use CFClient::OpenGL;
29
30 our %GL_EXT;
31 our $GL_VERSION;
32
33 our $GL_NPOT;
34 our $GL_DEBUG = 1;
35
36 sub gl_init {
37 $GL_VERSION = gl_version * 1;
38 %GL_EXT = map +($_ => 1), split /\s+/, gl_extensions;
39
40 $GL_NPOT = $GL_EXT{GL_ARB_texture_non_power_of_two} || $GL_VERSION >= 2;
41 $GL_NPOT = 0 if gl_vendor =~ /ATI Technologies/; # ATI doesn't get it right...
42
43 glDisable GL_COLOR_MATERIAL;
44 glShadeModel GL_FLAT;
45 glDisable GL_DITHER;
46 glDisable GL_DEPTH_TEST;
47 glDepthMask 0;
48 glHint GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST;
49
50 CFClient::Texture::restore_state ();
51 }
52
53 sub gl_check {
54 return unless $GL_DEBUG;
55
56 if (my $error = glGetError) {
57 Carp::cluck sprintf "opengl error %x while %s", $error, &sprintf(@_);
58 }
59 }
60
61 sub find_rcfile($) {
62 my $path;
63
64 for (grep !ref, @INC) {
65 $path = "$_/CFClient/resources/$_[0]";
66 return $path if -r $path;
67 }
68
69 die "FATAL: can't find required file $_[0]\n";
70 }
71
72 sub read_cfg {
73 my ($file) = @_;
74
75 open CFG, $file
76 or return;
77
78 my $CFG;
79
80 local $/;
81 $CFG = eval <CFG>;
82
83 $::CFG = $CFG;
84
85 close CFG;
86 }
87
88 sub write_cfg {
89 my ($file) = @_;
90
91 open CFG, ">$file"
92 or return;
93
94 {
95 require Data::Dumper;
96 local $Data::Dumper::Purity = 1;
97 $::CFG->{VERSION} = $::VERSION;
98 print CFG Data::Dumper->Dump ([$::CFG], [qw/CFG/]);
99 }
100
101 close CFG;
102 }
103
104 mkdir "$Crossfire::VARDIR/pclient", 0777;
105
106 our $DB_ENV = new BerkeleyDB::Env
107 -Home => "$Crossfire::VARDIR/pclient",
108 -Cachesize => 1_000_000,
109 -ErrFile => "$Crossfire::VARDIR/pclient/errorlog.txt",
110 # -ErrPrefix => "DATABASE",
111 -Verbose => 1,
112 -Flags => DB_CREATE | DB_RECOVER | DB_INIT_MPOOL | DB_INIT_LOCK | DB_INIT_TXN,
113 or die "unable to create/open database home $Crossfire::VARDIR/pclient: $BerkeleyDB::Error";
114
115 sub db_table($) {
116 my ($table) = @_;
117
118 $table =~ s/([^a-zA-Z0-9_\-])/sprintf "=%x=", ord $1/ge;
119
120 new CFClient::Database
121 -Env => $DB_ENV,
122 -Filename => $table,
123 # -Filename => "database",
124 # -Subname => $table,
125 -Property => DB_CHKSUM,
126 -Flags => DB_CREATE | DB_UPGRADE,
127 or die "unable to create/open database table $_[0]: $BerkeleyDB::Error";
128 }
129
130 sub pod_to_pango($) {
131 my ($pom) = @_;
132
133 $pom->present ("CFClient::PodToPango")
134 }
135
136 package CFClient::PodToPango;
137
138 use base Pod::POM::View::Text;
139
140 our $indent = 0;
141
142 *view_seq_code =
143 *view_seq_bold = sub { "<b>$_[1]</b>" };
144 *view_seq_italic = sub { "<i>$_[1]</i>" };
145 *view_seq_space =
146 *view_seq_link =
147 *view_seq_index = sub { CFClient::UI::Label::escape ($_[1]) };
148
149 sub view_seq_text {
150 my $text = $_[1];
151 $text =~ s/\s+/ /g;
152 CFClient::UI::Label::escape ($text)
153 }
154
155 sub view_item {
156 ("\t" x ($indent / 4))
157 . $_[1]->title->present ($_[0])
158 . "\n"
159 . $_[1]->content->present ($_[0])
160 }
161
162 sub view_verbatim {
163 (join "",
164 map +("\t" x ($indent / 2)) . "$_\n",
165 split /\n/, CFClient::UI::Label::escape ($_[1]))
166 . "\n"
167 }
168
169 sub view_textblock {
170 ("\t" x ($indent / 2)) . "$_[1]\n\n"
171 }
172
173 sub view_head2 {
174 "<big>" . $_[1]->title->present ($_[0]) . "</big>\n\n"
175 . $_[1]->content->present ($_[0])
176 };
177
178 sub view_over {
179 local $indent = $indent + $_[1]->indent;
180 $_[1]->content->present ($_[0])
181 }
182
183 package CFClient::Database;
184
185 our @ISA = BerkeleyDB::Btree::;
186
187 sub get($$) {
188 my $data;
189
190 $_[0]->db_get ($_[1], $data) == 0
191 ? $data
192 : ()
193 }
194
195 my %DB_SYNC;
196
197 sub put($$$) {
198 my ($db, $key, $data) = @_;
199
200 $DB_SYNC{$db} = AnyEvent->timer (after => 5, cb => sub { $db->db_sync });
201
202 $db->db_put ($key => $data)
203 }
204
205 package CFClient::Texture;
206
207 use strict;
208
209 use Scalar::Util;
210
211 use CFClient::OpenGL;
212
213 my %TEXTURES;
214
215 sub new {
216 my ($class, %data) = @_;
217
218 my $self = bless {
219 internalformat => GL_RGBA,
220 format => GL_RGBA,
221 type => GL_UNSIGNED_BYTE,
222 %data,
223 }, $class;
224
225 Scalar::Util::weaken ($TEXTURES{$self+0} = $self);
226
227 $self->upload;
228
229 $self
230 }
231
232 sub new_from_image {
233 my ($class, $image, %arg) = @_;
234
235 $class->new (image => $image, %arg)
236 }
237
238 sub new_from_file {
239 my ($class, $path, %arg) = @_;
240
241 open my $fh, "<:raw", $path
242 or die "$path: $!";
243
244 local $/;
245 $class->new_from_image (<$fh>, %arg)
246 }
247
248 #sub new_from_surface {
249 # my ($class, $surface) = @_;
250 #
251 # $surface->rgba;
252 #
253 # $class->new (
254 # data => $surface->pixels,
255 # w => $surface->width,
256 # h => $surface->height,
257 # )
258 #}
259
260 sub new_from_layout {
261 my ($class, $layout, %arg) = @_;
262
263 my ($w, $h, $data, $format, $internalformat) = $layout->render;
264
265 $class->new (
266 w => $w,
267 h => $h,
268 data => $data,
269 format => $format,
270 internalformat => $format,
271 type => GL_UNSIGNED_BYTE,
272 %arg,
273 )
274 }
275
276 sub new_from_opengl {
277 my ($class, $w, $h, $cb) = @_;
278
279 $class->new (w => $w || 1, h => $h || 1, render_cb => $cb)
280 }
281
282 sub topot {
283 (grep $_ >= $_[0], 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768)[0]
284 }
285
286 sub upload {
287 my ($self) = @_;
288
289 return unless $GL_VERSION;
290
291 my $data;
292
293 if (exists $self->{data}) {
294 $data = $self->{data};
295
296 } elsif (exists $self->{render_cb}) {
297 glViewport 0, 0, $self->{w}, $self->{h};
298 glMatrixMode GL_PROJECTION;
299 glLoadIdentity;
300 glOrtho 0, $self->{w}, 0, $self->{h}, -10000, 10000;
301 glMatrixMode GL_MODELVIEW;
302 glLoadIdentity;
303 $self->{render_cb}->($self, $self->{w}, $self->{h});
304
305 } else {
306 ($self->{w}, $self->{h}, $data, $self->{internalformat}, $self->{format}, $self->{type})
307 = CFClient::load_image_inline $self->{image};
308 }
309
310 my ($tw, $th) = @$self{qw(w h)};
311
312 unless ($tw > 0 && $th > 0) {
313 $tw = $th = 1;
314 $data = "\x00" x 64;
315 }
316
317 $self->{minified} = [CFClient::average $tw, $th, $data]
318 if $self->{minify};
319
320 unless ($GL_NPOT) {
321 # TODO: does not work for zero-sized textures
322 $tw = topot $tw;
323 $th = topot $th;
324
325 if (($tw != $self->{w} || $th != $self->{h}) && defined $data) {
326 my $bpp = (length $data) / ($self->{w} * $self->{h});
327 $data = pack "(a" . ($tw * $bpp) . ")*",
328 unpack "(a" . ($self->{w} * $bpp) . ")*", $data;
329 $data .= ("\x00" x ($tw * $bpp)) x ($th - $self->{h});
330 }
331 }
332
333 $self->{s} = $self->{w} / $tw;
334 $self->{t} = $self->{h} / $th;
335
336 $self->{name} ||= glGenTexture;
337
338 glBindTexture GL_TEXTURE_2D, $self->{name};
339
340 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP;
341 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP;
342
343 if ($::FAST) {
344 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST;
345 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST;
346 } elsif ($self->{mipmap} && $GL_VERSION >= 1.4) {
347 # alternatively check for 0x8191
348 glTexParameter GL_TEXTURE_2D, GL_GENERATE_MIPMAP, 1;
349 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR;
350 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR;
351 } else {
352 glTexParameter GL_TEXTURE_2D, GL_GENERATE_MIPMAP, $self->{mipmap};
353 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR;
354 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR;
355 }
356
357 glGetError;
358
359 if (defined $data) {
360 glTexImage2D GL_TEXTURE_2D, 0,
361 $self->{internalformat},
362 $tw, $th,
363 0,
364 $self->{format},
365 $self->{type},
366 $data;
367 CFClient::gl_check "uploading texture %dx%d if=%x f=%x t=%x",
368 $tw, $th, $self->{internalformat}, $self->{format}, $self->{type};
369 } else {
370 glCopyTexImage2D GL_TEXTURE_2D, 0,
371 $self->{internalformat},
372 0, 0,
373 $tw, $th,
374 0;
375 CFClient::gl_check "copying to texture %dx%d if=%x",
376 $tw, $th, $self->{internalformat};
377 }
378
379 glBindTexture GL_TEXTURE_2D, 0; # just to be on the safe side
380 }
381
382 sub DESTROY {
383 my ($self) = @_;
384
385 delete $TEXTURES{$self+0};
386
387 glDeleteTexture delete $self->{name}
388 if $self->{name};
389 }
390
391 sub restore_state {
392 $_->upload
393 for values %TEXTURES;
394 }
395
396 1;
397
398 =back
399
400 =head1 AUTHOR
401
402 Marc Lehmann <schmorp@schmorp.de>
403 http://home.schmorp.de/
404
405 =cut
406