glew/auto/bin/make_init.pl
Matthias Bentrup 9367af5ed4 Fix forward compatible compatibility profiles.
The compatibility functions have not only been un-removed, but also
un-deprecated, so they should be present in the forward-compatible
compatibility profile.
2015-12-16 21:18:38 +10:00

95 lines
2.3 KiB
Perl
Executable File

#!/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]);
my $condition = "";
if ($_[1]{deleted}) {
my $needop = 0;
for my $tok (split(/\s+/, $_[1]{deleted})) {
if ($tok eq "~") {
# ignore
} elsif ($tok eq '&&') {
$condition .= ' && ';
$needop = 0;
} elsif ($tok eq '||') {
$condition .= ') || (';
$needop = 0;
} else {
if ($needop) {
$condition .= ' && ';
}
if ($tok =~ /^!/) {
$condition .= '!';
$tok =~ s/^!//;
}
if ($tok =~ /^\d/) {
# GL Version
$tok =~ s/[.]/_/g;
$condition .= "GLEW_VERSION_${tok}";
} elsif ($tok eq "core") {
$condition .= "(context_profile & GL_CONTEXT_CORE_PROFILE_BIT)";
} elsif ($tok eq "forward") {
$condition .= "(context_flags & GL_CONTEXT_FLAG_FORWARD_COMPATIBLE_BIT)";
}
$needop = 1;
}
}
$condition = "if( !(($condition)) ) ";
}
return " ${condition}r = ((" . $_[0] . " = (PFN" . (uc $_[0]) . "PROC)glewGetProcAddress((const GLubyte*)\"" . $_[0] . "\")) == NULL) || r;";
}
sub make_reuse_call($%)
{
return " r = _glewInit_" . $_[0] . "() || 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)
{
print "#ifdef $extname\n\n";
print "static GLboolean _glewInit_$extname ()\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";
print "#endif /* $extname */\n\n";
}
}
}