#!/usr/bin/perl
use strict;
use warnings;

my $header;
my @syms;

open FILE, "<", "/usr/include/libdrm/drm_fourcc.h" or die "open drm_fourcc.h: $!";
{ local $/; undef $/; $header = <FILE>; }
close FILE;

$header =~ s/\\\n//g;
foreach my $line (split /\n/, $header) {
	next unless $line =~ m/#define\s+([a-zA-Z0-9_]+)\s+fourcc_mod_code/;
	push @syms, $1;
}

open FILE, ">", "drmfmtmods.h" or die "open drmfmtmods.h: $!";
print FILE "/* generated by update-fmtmod.pl */\n";
for my $sym (@syms) {
	my $name = $sym;
	$name =~ s/^DRM_FORMAT_MOD_//;
	printf FILE "{ .mod = %s, .name = \"%s\" },\n", $sym, $name;
}
close FILE;