Sweden-Number/dlls/opencl/make_opencl

448 lines
12 KiB
Perl
Executable File

#!/usr/bin/perl -w
use strict;
use XML::LibXML;
# Copyright 2021 Zebediah Figura
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
# Files to generate
my $spec_file = "opencl.spec";
my $pe_file = "pe_thunks.c";
my $types_file = "opencl_types.h";
my $unix_file = "unix_thunks.c";
my $unixheader_file = "unixlib.h";
# If set to 1, generate TRACEs for each OpenGL function
my $gen_traces = 1;
# List of categories to put in the 'opengl_core.c' file
my %cat_1_0 = ( "CL_VERSION_1_0" => 1 );
my %core_categories = ();
my %arg_types =
(
"cl_bitfield" => [ "int64", "wine_dbgstr_longlong(%s)" ],
"double" => [ "double", "%.16e" ],
"float" => [ "float", "%.8e" ],
"int" => [ "long", "%d" ],
"int8_t" => [ "long", "%d" ],
"int16_t" => [ "long", "%d" ],
"int32_t" => [ "long", "%d" ],
"int64_t" => [ "int64", "wine_dbgstr_longlong(%s)" ],
"intptr_t" => [ "long", "%Id" ],
"size_t" => [ "long", "%Iu" ],
"uint8_t" => [ "long", "%u" ],
"uint16_t" => [ "long", "%u" ],
"uint32_t" => [ "long", "%u" ],
"uint64_t" => [ "int64", "wine_dbgstr_longlong(%s)" ],
"unsigned int" => [ "long", "%u" ],
);
sub generate_pe_thunk($$)
{
my ($name, $func_ref) = @_;
my $call_arg = "";
my $trace_call_arg = "";
my $trace_arg = "";
my $ret = get_func_proto( "%s WINAPI wine_%s(%s)", $name, $func_ref );
foreach my $arg (@{$func_ref->[1]})
{
my $ptype = get_arg_type( $arg );
next unless $arg->findnodes("./name");
my $pname = get_arg_name( $arg );
my $param = $arg->textContent();
$call_arg .= " " . $pname . ",";
if ($param =~ /\*/ || $param =~ /\[/)
{
$trace_arg .= ", %p";
$trace_call_arg .= ", " . $pname;
}
elsif (defined $arg_types{$ptype})
{
my $format = ${$arg_types{$ptype}}[1];
$trace_arg .= ", " . ($format =~ /^%/ ? $format : "%s");
$trace_call_arg .= ", " . sprintf $format =~ /^%/ ? "%s" : $format, $pname;
}
else
{
die "Unknown type %s in %s\n", $param, $name;
}
}
$call_arg =~ s/,$/ /;
$trace_arg =~ s/^, //;
$ret .= "\n{\n";
$ret .= " TRACE( \"($trace_arg)\\n\"$trace_call_arg );\n" if $gen_traces;
$ret .= " ";
$ret .= "return " unless is_void_func( $func_ref );
$ret .= "opencl_funcs->p$name($call_arg);\n";
$ret .= "}\n";
return $ret;
}
sub generate_unix_thunk($$)
{
my ($name, $func_ref) = @_;
my $call_arg = "";
my $ret = get_func_proto( "static %s WINAPI wrap_%s(%s)", $name, $func_ref );
foreach my $arg (@{$func_ref->[1]})
{
my $ptype = get_arg_type( $arg );
next unless $arg->findnodes("./name");
my $pname = get_arg_name( $arg );
my $param = $arg->textContent();
$call_arg .= " " . $pname . ",";
}
$call_arg =~ s/,$/ /;
$ret .= "\n{\n ";
$ret .= "return " unless is_void_func( $func_ref );
$ret .= "$name($call_arg);\n";
$ret .= "}\n";
return $ret;
}
sub is_void_func($)
{
my $func = shift;
return 0 if @{$func->[0]->findnodes("./type")};
return $func->[0]->textContent() eq "void";
}
sub get_arg_type($)
{
my $p = shift;
my @type = $p->findnodes("./type");
return @type ? $type[0]->textContent() : "cl_int";
}
sub get_arg_name($)
{
my $p = shift;
my @name = $p->findnodes("./name");
return $name[0]->textContent();
}
sub get_func_proto($$$)
{
my ($format, $name, $func) = @_;
die "unknown func $name" unless defined $func->[0];
my $proto = $func->[0]->textContent();
$proto =~ s/ +$//;
my $args = "";
foreach my $arg (@{$func->[1]})
{
(my $argtext = $arg->textContent()) =~ s/ +/ /g;
$argtext =~ s/CL_CALLBACK/WINAPI/g;
$args .= " " . $argtext . ",";
}
$args =~ s/,$/ /;
$args ||= "void";
return sprintf $format, $proto, $name, $args;
}
# extract and check the number of arguments
if (@ARGV > 1)
{
my $name0 = $0;
$name0 =~ s%^.*/%%;
die "Usage: $name0 [version]\n";
}
my $version = $ARGV[0] || "1.0";
if ($version eq "1.0")
{
%core_categories = %cat_1_0;
}
else
{
die "Incorrect OpenCL version.\n";
}
my $url = "https://raw.githubusercontent.com/KhronosGroup/OpenCL-Docs";
my $commit = "514965312a65e5d01ae17e23119dc95427b7149e";
-f "cl-$commit.xml" || system "wget", "-O", "cl-$commit.xml", "$url/$commit/xml/cl.xml" || die "cannot download cl.xml";
sub generate_spec_entry($$)
{
my ($name, $func) = @_;
my $args=" ";
foreach my $arg (@{$func->[1]})
{
my $ptype = get_arg_type( $arg );
my $param = $arg->textContent();
if ($param =~ /[[*]/)
{
$args .= "ptr ";
}
elsif (defined($arg_types{$ptype}))
{
$args .= "$@$arg_types{$ptype}[0] ";
}
elsif ($ptype ne "void")
{
die "No conversion for func $name type $param\n";
}
}
$args = substr($args,1,-1);
return "@ stdcall $_($args) wine_$_";
}
my %core_functions;
my %cl_enums;
my (%cl_types, @cl_types); # also use an array to preserve declaration order
# some functions need a hand-written wrapper
sub needs_pe_wrapper($)
{
my %funcs =
(
# need extension filtering
"clGetDeviceInfo" => 1,
"clGetPlatformInfo" => 1,
# needs function pointer conversion
"clGetExtensionFunctionAddress" => 1,
);
my $name = shift;
return defined $funcs{$name};
}
# some functions need a hand-written wrapper
sub needs_unix_wrapper($)
{
my %funcs =
(
# need callback conversion
"clBuildProgram" => 1,
"clCreateContext" => 1,
"clCreateContextFromType" => 1,
"clEnqueueNativeKernel" => 1,
);
my $name = shift;
return defined $funcs{$name};
}
sub generate_struct($)
{
my $type = shift;
my $name = $type->{name};
my $ret = "typedef struct _$name\n{\n";
foreach my $member ($type->findnodes("./member"))
{
($member = $member->textContent()) =~ s/ +/ /g;
$ret .= " $member;\n";
}
$ret .= "} $name;\n";
return $ret;
}
sub parse_file($)
{
my $file = shift;
my $xml = XML::LibXML->load_xml( location => $file );
my %functions;
my %enums;
my %types;
# save all functions
foreach my $command ($xml->findnodes("/registry/commands/command"))
{
my $proto = @{$command->findnodes("./proto")}[0];
my $name = @{$command->findnodes("./proto/name")}[0];
$proto->removeChild( $name );
my @params = $command->findnodes("./param");
$functions{$name->textContent()} = [ $proto, \@params ];
}
# save all enums
foreach my $enum ($xml->findnodes("/registry/enums/enum"))
{
if (defined $enum->{value})
{
$enums{$enum->{name}} = $enum->{value};
}
else
{
$enums{$enum->{name}} = "(1 << " . $enum->{bitpos} . ")";
}
}
# save all types
foreach my $type ($xml->findnodes("/registry/types/type"))
{
if ($type->{category} eq "define")
{
my $name = @{$type->findnodes("./name")}[0];
$name = $name->textContent;
$types{$name} = $type;
my $basetype = @{$type->findnodes("./type")}[0];
if ($type->textContent() =~ /[[*]/)
{
$arg_types{$name} = ["ptr", "%p"];
}
elsif (defined($basetype) and defined($arg_types{$basetype->textContent}))
{
$arg_types{$name} = $arg_types{$basetype->textContent};
}
elsif ($name ne "cl_icd_dispatch")
{
die "No conversion for type $name\n"
}
}
elsif ($type->{category} eq "struct")
{
my $name = $type->{name};
$types{$name} = $type;
}
}
# generate core functions
foreach my $feature ($xml->findnodes("/registry/feature"))
{
next unless defined $core_categories{$feature->{name}};
foreach my $cmd ($feature->findnodes("./require/command"))
{
$core_functions{$cmd->{name}} = $functions{$cmd->{name}};
}
foreach my $enum ($feature->findnodes("./require/enum"))
{
$cl_enums{$enum->{name}} = $enums{$enum->{name}};
}
foreach my $type ($feature->findnodes("./require/type"))
{
next unless $types{$type->{name}};
push @cl_types, $type->{name} unless $cl_types{$type->{name}};
$cl_types{$type->{name}} = $types{$type->{name}};
}
}
}
parse_file( "cl-$commit.xml" );
# generate the spec file
open(SPEC, ">$spec_file") or die "cannot create $spec_file";
foreach (sort keys %core_functions)
{
printf SPEC "%s\n", generate_spec_entry( $_, $core_functions{$_} );
}
close(SPEC);
# generate the PE thunks
open(PE, ">$pe_file") or die "cannot create $pe_file";
print PE "/* Automatically generated from OpenCL registry files; DO NOT EDIT! */\n\n";
print PE "#include \"opencl_private.h\"\n";
print PE "#include \"opencl_types.h\"\n";
print PE "#include \"unixlib.h\"\n\n";
print PE "WINE_DEFAULT_DEBUG_CHANNEL(opencl);\n" if $gen_traces;
foreach (sort keys %core_functions)
{
next if needs_pe_wrapper( $_ );
print PE "\n", generate_pe_thunk( $_, $core_functions{$_} );
}
close(PE);
# generate the unix library thunks
open(UNIX, ">$unix_file") or die "cannot create $unix_file";
print UNIX <<EOF
/* Automatically generated from OpenCL registry files; DO NOT EDIT! */
#if 0
#pragma makedep unix
#endif
#include "config.h"
#include "unix_private.h"
EOF
;
foreach (sort keys %core_functions)
{
next if needs_unix_wrapper( $_ );
print UNIX "\n", generate_unix_thunk( $_, $core_functions{$_} );
}
print UNIX "\nconst struct opencl_funcs funcs =\n{\n";
foreach (sort keys %core_functions)
{
print UNIX " wrap_" . $_ . ",\n";
}
print UNIX "};\n";
close(UNIX);
# generate the unix library header
open(UNIXHEADER, ">$unixheader_file") or die "cannot create $unixheader_file";
print UNIXHEADER "/* Automatically generated from OpenCL registry files; DO NOT EDIT! */\n\n";
print UNIXHEADER "struct opencl_funcs\n{\n";
foreach (sort keys %core_functions)
{
print UNIXHEADER get_func_proto( " %s (WINAPI *p%s)(%s);\n", $_, $core_functions{$_} );
}
print UNIXHEADER "};\n\n";
print UNIXHEADER "extern const struct opencl_funcs *opencl_funcs;\n";
close(UNIXHEADER);
# generate the Win32 type definitions
open(TYPES, ">$types_file") or die "cannot create $types_file";
print TYPES <<END
/* Automatically generated from OpenCL registry files; DO NOT EDIT! */
typedef int32_t cl_int DECLSPEC_ALIGN(4);
typedef uint32_t cl_uint DECLSPEC_ALIGN(4);
typedef uint64_t cl_ulong DECLSPEC_ALIGN(8);
END
;
foreach (@cl_types)
{
my $type = $cl_types{$_};
if ($type->{category} eq "define")
{
print TYPES $type->textContent() . "\n";
}
elsif ($type->{category} eq "struct")
{
print TYPES generate_struct( $type );
}
}
print TYPES "\n";
foreach (sort keys %cl_enums)
{
printf TYPES "#define %s %s\n", $_, $cl_enums{$_};
}
close(TYPES);