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-rw-r--r--gnu/packages/patches/pdl-2.019-glut-bitmap-fonts.patch43
1 files changed, 43 insertions, 0 deletions
diff --git a/gnu/packages/patches/pdl-2.019-glut-bitmap-fonts.patch b/gnu/packages/patches/pdl-2.019-glut-bitmap-fonts.patch
new file mode 100644
index 0000000000..a374aae96b
--- /dev/null
+++ b/gnu/packages/patches/pdl-2.019-glut-bitmap-fonts.patch
@@ -0,0 +1,43 @@
+Author: Danny Milosavljevic <dannym@friendly-machines.com>
+Date: 2024-12-17 21:00:00 CET
+Subject: Make bitmap fonts work even in glut
+License: Same as Perl.
+
+--- orig/PDL-2.019/Graphics/TriD/POGL/OpenGL.pm 2018-05-05 19:56:29.000000000 +0200
++++ PDL-2.019/Graphics/TriD/POGL/OpenGL.pm 2024-12-17 22:56:30.043984134 +0100
+@@ -358,9 +358,34 @@
+
+ =cut
+
++use OpenGL qw(GL_COMPILE GLUT_BITMAP_9_BY_15 GLUT_BITMAP_8_BY_13);
++use constant GLUT_FONTS => {
++ '9x15' => GLUT_BITMAP_9_BY_15,
++ '8x13' => GLUT_BITMAP_8_BY_13,
++};
++
+ sub glpRasterFont{
+ my($this,@args) = @_;
+- OpenGL::glpRasterFont($args[0],$args[1],$args[2],$this->{Display});
++ # see also OpenGL::glpPrintString($::lb,$header);
++ if ( $this->{window_type} eq 'glut' ) {
++ my $font_name = $args[0] || '8x13';
++ my $font = GLUT_FONTS->{$font_name} || GLUT_FONTS->{'8x13'};
++ my $start_char = $args[1] || 0;
++ my $num_chars = $args[2] || 128;
++ my $cache_key = "${font_name};${start_char};${num_chars}";
++ unless (exists $this->{font_cache}{$cache_key}) {
++ my $base = OpenGL::glGenLists($num_chars);
++ for my $i (0..($num_chars - 1)) {
++ OpenGL::glNewList($base + $i, GL_COMPILE);
++ OpenGL::glutBitmapCharacter($font, $start_char + $i);
++ OpenGL::glEndList();
++ }
++ $this->{font_cache}{$cache_key} = $base;
++ }
++ return $this->{font_cache}{$cache_key};
++ } else {
++ OpenGL::glpRasterFont($args[0],$args[1],$args[2],$this->{Display});
++ }
+ }
+
+