Sweden-Number/dlls/opengl32/make_opengl_ext

146 lines
3.2 KiB
Perl
Executable File

#!/usr/bin/perl -w
print "
/* Auto-generated file... Do not edit ! */
#include \"config.h\"
#include \"wine_gl.h\"
#include \"opengl_ext.h\"
";
#
# First, create a hash-table with all function defined in opengl32.spec
#
%opengl_std = ();
open(SPEC, "dlls/opengl32/opengl32.spec") || die "Could not open spec file";
foreach (<SPEC>) {
if (($_ =~ /@/) && ($_ !~ /wgl/)) {
($name) = ($_ =~ /stdcall (\w*)\(/);
$opengl_std{$name} = 1;
}
}
close(SPEC);
#
# Now, the functions from the include file
#
%opengl_ext = ();
open(INC, "/home/ulmer/OpenGL/glext_proto.h") || die "Could not open GL/glext.h";
while ($line = <INC>) {
if ($line =~ /extern.*APIENTRY/) {
# Start of a function declaration
($ret, $name, $args) = ($line =~ /extern (\w*) APIENTRY *(\w*) *\((.*)\)/);
# Now, remove all function already defined in opengl32.spec
if ($opengl_std{$name}) {
# Do nothing as we already have these functions
} else {
# Now, get the typedef name (the line after)
($typedef_name) = (<INC> =~ /\(APIENTRY *\* *(\w*) *\)/);
# After that, parse the arguments
@args = split /,/, $args;
$args_ref = [];
foreach (@args) {
push @$args_ref, $_;
}
$opengl_ext{$name} = [ $ret, $typedef_name, $args_ref ];
}
}
}
close(INC);
#
# After that, generate the file itself....
#
print "/* These will be filled during a wglGetProcAddress call */\n";
$num = 0;
foreach $name (sort keys(%opengl_ext)) {
$ref = $opengl_ext{$name};
$arg_ref = $$ref[2];
@larg = @$arg_ref;
print "$$ref[0] (*func_$name)(";
$farg = shift @larg;
print "$farg";
foreach (@larg) {
print ", $_";
}
print ") = (void *) 0xdeadbeef;\n";
$num++;
}
print "\n";
print "/* The function prototypes */\n";
foreach $name (sort keys(%opengl_ext)) {
$ref = $opengl_ext{$name};
$arg_ref = $$ref[2];
@larg = @$arg_ref;
print "$$ref[0] WINAPI wine_$name(";
$farg = shift @larg;
print "$farg";
foreach (@larg) {
print ", $_";
}
print ") ;\n";
}
print "\n";
print "/* The table giving the correspondance between names and functions */\n";
print "int extension_registry_size = $num;\n";
print "OpenGL_extension extension_registry[] = {\n";
foreach $name (sort keys(%opengl_ext)) {
$num--;
print " { \"$name\", (void *) wine_$name, (void **) (&func_$name) }";
if ($num) {
print ",";
}
print "\n";
}
print "};\n";
print "\n";
print "/* Now, the function declarations */\n";
foreach $name (sort keys(%opengl_ext)) {
$ref = $opengl_ext{$name};
$arg_ref = $$ref[2];
print "$$ref[0] WINAPI wine_$name(";
$farg = shift @$arg_ref;
$num = 0;
if ($farg !~ /void/) {
print "$farg arg_0";
$num++;
foreach (@$arg_ref) {
print ", $_ arg_$num";
$num++;
}
}
print ") {\n";
if ($$ref[0] !~ /void/) {
print " $$ref[0] ret;\n"
}
print " ENTER_GL();\n";
print " ";
if ($$ref[0] !~ /void/) {
print " ret = ";
}
print "func_$name(";
if ($num > 0) {
print "arg_0";
for ($i = 1; $i < $num; $i++) {
print ", arg_$i";
}
}
print ");\n";
print " LEAVE_GL();\n";
if ($$ref[0] !~ /void/) {
print " return ret;\n"
}
print "}\n\n";
}