glew-cmake/auto/bin/make_init.pl

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#!/usr/bin/perl
##
## Copyright (C) 2002-2008, Marcelo E. Magallon <mmagallo[]debian org>
## Copyright (C) 2002-2008, Milan Ikits <milan ikits[]ieee org>
##
## This program is distributed under the terms and conditions of the GNU
## General Public License Version 2 as published by the Free Software
## Foundation or, at your option, any later version.
use strict;
use warnings;
do 'bin/make.pl';
#-------------------------------------------------------------------------------
# function pointer definition
sub make_pfn_def_init($%)
{
#my $name = prefixname($_[0]);
return " r = ((" . $_[0] . " = (PFN" . (uc $_[0]) . "PROC)glewGetProcAddress((const GLubyte*)\"" . $_[0] . "\")) == NULL) || r;";
}
sub make_reuse_call($%)
{
return " r = _glewInit_" . $_[0] . "(GLEW_CONTEXT_ARG_VAR_INIT) || r;";
}
#-------------------------------------------------------------------------------
my @extlist = ();
my %extensions = ();
our $type = shift;
if (@ARGV)
{
@extlist = @ARGV;
foreach my $ext (sort @extlist)
{
my ($extname, $exturl, $extstring, $reuse, $types, $tokens, $functions, $exacts) =
parse_ext($ext);
#make_separator($extname);
my $extvar = $extname;
my $extvardef = $extname;
$extvar =~ s/GL(X*)_/GL$1EW_/;
if (keys %$functions or keys @$reuse)
{
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print "#ifdef $extname\n\n";
print "static GLboolean _glewInit_$extname (" . $type .
"EW_CONTEXT_ARG_DEF_INIT)\n{\n GLboolean r = GL_FALSE;\n";
output_reuse($reuse, \&make_reuse_call);
output_decls($functions, \&make_pfn_def_init);
print "\n return r;\n}\n\n";
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print "#endif /* $extname */\n\n";
}
}
}