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24 | use utf8; |
24 | use utf8; |
25 | |
25 | |
26 | use Carp (); |
26 | use Carp (); |
27 | use AnyEvent (); |
27 | use AnyEvent (); |
28 | use BerkeleyDB; |
28 | use BerkeleyDB; |
29 | |
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30 | use CFClient::OpenGL; |
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31 | |
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32 | our %GL_EXT; |
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33 | our $GL_VERSION; |
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34 | |
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35 | our $GL_NPOT; |
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36 | our $GL_DEBUG = 1; |
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37 | |
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38 | sub gl_init { |
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39 | $GL_VERSION = gl_version * 1; |
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40 | %GL_EXT = map +($_ => 1), split /\s+/, gl_extensions; |
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41 | |
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42 | $GL_NPOT = $GL_EXT{GL_ARB_texture_non_power_of_two} || $GL_VERSION >= 2; |
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43 | $GL_NPOT = 0 if gl_vendor =~ /ATI Technologies/; # ATI doesn't get it right... |
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44 | |
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45 | glDisable GL_COLOR_MATERIAL; |
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46 | glShadeModel GL_FLAT; |
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47 | glDisable GL_DITHER; |
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48 | glDisable GL_DEPTH_TEST; |
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49 | glDepthMask 0; |
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50 | glHint GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST; |
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51 | |
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52 | CFClient::Texture::restore_state (); |
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53 | } |
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54 | |
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55 | sub gl_check { |
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56 | return unless $GL_DEBUG; |
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57 | |
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58 | if (my $error = glGetError) { |
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59 | my ($format, @args) = @_; |
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60 | Carp::cluck sprintf "opengl error %x while $format", $error, @args; |
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61 | } |
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62 | } |
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63 | |
29 | |
64 | sub find_rcfile($) { |
30 | sub find_rcfile($) { |
65 | my $path; |
31 | my $path; |
66 | |
32 | |
67 | for (grep !ref, @INC) { |
33 | for (grep !ref, @INC) { |
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351 | . ($self->{nrof} ? "You have $self->{nrof} of it. " : "Item cannot stack with others of it's kind. ") |
317 | . ($self->{nrof} ? "You have $self->{nrof} of it. " : "Item cannot stack with others of it's kind. ") |
352 | . "\n\n$tooltip_std" |
318 | . "\n\n$tooltip_std" |
353 | ); |
319 | ); |
354 | } |
320 | } |
355 | |
321 | |
356 | package CFClient::Texture; |
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357 | |
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358 | use strict; |
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359 | |
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360 | use Scalar::Util; |
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361 | |
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362 | use CFClient::OpenGL; |
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363 | |
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364 | my %TEXTURES; |
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365 | |
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366 | sub new { |
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367 | my ($class, %data) = @_; |
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368 | |
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369 | my $self = bless { |
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370 | internalformat => GL_RGBA, |
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371 | format => GL_RGBA, |
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372 | type => GL_UNSIGNED_BYTE, |
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373 | %data, |
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374 | }, $class; |
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375 | |
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376 | Scalar::Util::weaken ($TEXTURES{$self+0} = $self); |
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377 | |
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378 | $self->upload; |
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379 | |
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380 | $self |
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381 | } |
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382 | |
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383 | sub new_from_image { |
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384 | my ($class, $image, %arg) = @_; |
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385 | |
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386 | $class->new (image => $image, %arg) |
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387 | } |
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388 | |
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389 | sub new_from_file { |
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390 | my ($class, $path, %arg) = @_; |
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391 | |
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392 | open my $fh, "<:raw", $path |
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393 | or die "$path: $!"; |
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394 | |
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395 | local $/; |
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396 | $class->new_from_image (<$fh>, %arg) |
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397 | } |
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398 | |
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399 | #sub new_from_surface { |
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400 | # my ($class, $surface) = @_; |
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401 | # |
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402 | # $surface->rgba; |
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403 | # |
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404 | # $class->new ( |
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405 | # data => $surface->pixels, |
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406 | # w => $surface->width, |
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407 | # h => $surface->height, |
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408 | # ) |
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409 | #} |
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410 | |
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411 | sub new_from_layout { |
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412 | my ($class, $layout, %arg) = @_; |
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413 | |
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414 | my ($w, $h, $data, $format, $internalformat) = $layout->render; |
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415 | |
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416 | $class->new ( |
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417 | w => $w, |
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418 | h => $h, |
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419 | data => $data, |
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420 | format => $format, |
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421 | internalformat => $format, |
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422 | type => GL_UNSIGNED_BYTE, |
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423 | %arg, |
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424 | ) |
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425 | } |
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426 | |
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427 | sub new_from_opengl { |
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428 | my ($class, $w, $h, $cb) = @_; |
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429 | |
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430 | $class->new (w => $w || 1, h => $h || 1, render_cb => $cb) |
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431 | } |
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432 | |
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433 | sub topot { |
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434 | (grep $_ >= $_[0], 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768)[0] |
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435 | } |
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436 | |
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437 | sub upload { |
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438 | my ($self) = @_; |
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439 | |
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440 | return unless $GL_VERSION; |
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441 | |
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442 | my $data; |
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443 | |
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444 | if (exists $self->{data}) { |
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445 | $data = $self->{data}; |
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446 | |
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447 | } elsif (exists $self->{render_cb}) { |
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448 | glViewport 0, 0, $self->{w}, $self->{h}; |
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449 | glMatrixMode GL_PROJECTION; |
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450 | glLoadIdentity; |
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451 | glOrtho 0, $self->{w}, 0, $self->{h}, -10000, 10000; |
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452 | glMatrixMode GL_MODELVIEW; |
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453 | glLoadIdentity; |
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454 | $self->{render_cb}->($self, $self->{w}, $self->{h}); |
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455 | |
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456 | } else { |
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457 | ($self->{w}, $self->{h}, $data, $self->{internalformat}, $self->{format}, $self->{type}) |
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458 | = CFClient::load_image_inline $self->{image}; |
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459 | } |
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460 | |
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461 | my ($tw, $th) = @$self{qw(w h)}; |
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462 | |
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463 | unless ($tw > 0 && $th > 0) { |
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464 | $tw = $th = 1; |
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465 | $data = "\x00" x 64; |
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466 | } |
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467 | |
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468 | $self->{minified} = [CFClient::average $tw, $th, $data] |
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469 | if $self->{minify}; |
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470 | |
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471 | unless ($GL_NPOT) { |
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472 | # TODO: does not work for zero-sized textures |
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473 | $tw = topot $tw; |
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474 | $th = topot $th; |
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475 | |
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476 | if (($tw != $self->{w} || $th != $self->{h}) && defined $data) { |
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477 | my $bpp = (length $data) / ($self->{w} * $self->{h}); |
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478 | $data = pack "(a" . ($tw * $bpp) . ")*", |
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479 | unpack "(a" . ($self->{w} * $bpp) . ")*", $data; |
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480 | $data .= ("\x00" x ($tw * $bpp)) x ($th - $self->{h}); |
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481 | } |
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482 | } |
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483 | |
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484 | $self->{s} = $self->{w} / $tw; |
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485 | $self->{t} = $self->{h} / $th; |
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486 | |
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487 | $self->{name} ||= glGenTexture; |
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488 | |
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489 | glBindTexture GL_TEXTURE_2D, $self->{name}; |
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490 | |
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491 | glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP; |
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492 | glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP; |
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493 | |
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494 | if ($::FAST) { |
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495 | glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST; |
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496 | glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST; |
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497 | } elsif ($self->{mipmap} && $GL_VERSION >= 1.4) { |
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498 | # alternatively check for 0x8191 |
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499 | glTexParameter GL_TEXTURE_2D, GL_GENERATE_MIPMAP, 1; |
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500 | glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR; |
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501 | glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR; |
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502 | } else { |
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503 | glTexParameter GL_TEXTURE_2D, GL_GENERATE_MIPMAP, $self->{mipmap}; |
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504 | glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR; |
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505 | glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR; |
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506 | } |
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507 | |
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508 | glGetError; |
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509 | |
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510 | if (defined $data) { |
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511 | glTexImage2D GL_TEXTURE_2D, 0, |
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512 | $self->{internalformat}, |
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513 | $tw, $th, |
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514 | 0, |
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515 | $self->{format}, |
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516 | $self->{type}, |
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517 | $data; |
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518 | CFClient::gl_check "uploading texture %dx%d if=%x f=%x t=%x", |
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519 | $tw, $th, $self->{internalformat}, $self->{format}, $self->{type}; |
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520 | } else { |
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521 | glCopyTexImage2D GL_TEXTURE_2D, 0, |
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522 | $self->{internalformat}, |
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523 | 0, 0, |
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524 | $tw, $th, |
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525 | 0; |
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526 | CFClient::gl_check "copying to texture %dx%d if=%x", |
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527 | $tw, $th, $self->{internalformat}; |
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528 | } |
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529 | |
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530 | glBindTexture GL_TEXTURE_2D, 0; # just to be on the safe side |
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531 | } |
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532 | |
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533 | sub DESTROY { |
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534 | my ($self) = @_; |
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535 | |
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536 | delete $TEXTURES{$self+0}; |
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537 | |
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538 | glDeleteTexture delete $self->{name} |
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539 | if $self->{name}; |
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540 | } |
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541 | |
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542 | sub restore_state { |
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543 | $_->upload |
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544 | for values %TEXTURES; |
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545 | } |
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546 | |
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547 | 1; |
322 | 1; |
548 | |
323 | |
549 | =back |
324 | =back |
550 | |
325 | |
551 | =head1 AUTHOR |
326 | =head1 AUTHOR |