544 lines
14 KiB
Perl
Executable File
544 lines
14 KiB
Perl
Executable File
#!/usr/bin/perl -w
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use strict;
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use XML::LibXML;
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# Copyright 2021 Zebediah Figura
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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# Files to generate
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my $spec_file = "opencl.spec";
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my $pe_file = "pe_thunks.c";
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my $types_file = "opencl_types.h";
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my $unix_file = "unix_thunks.c";
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my $unixheader_file = "unixlib.h";
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# If set to 1, generate TRACEs for each OpenGL function
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my $gen_traces = 1;
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# List of categories to put in the 'opengl_core.c' file
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my %cat_1_0 = ( "CL_VERSION_1_0" => 1 );
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my %cat_1_1 = ( %cat_1_0, "CL_VERSION_1_1" => 1 );
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my %cat_1_2 = ( %cat_1_1, "CL_VERSION_1_2" => 1 );
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my %core_categories = ();
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my %arg_types =
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(
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"cl_bitfield" => [ "int64", "wine_dbgstr_longlong(%s)" ],
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"double" => [ "double", "%.16e" ],
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"float" => [ "float", "%.8e" ],
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"int" => [ "long", "%d" ],
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"int8_t" => [ "long", "%d" ],
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"int16_t" => [ "long", "%d" ],
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"int32_t" => [ "long", "%d" ],
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"int64_t" => [ "int64", "wine_dbgstr_longlong(%s)" ],
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"intptr_t" => [ "long", "%Id" ],
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"size_t" => [ "long", "%Iu" ],
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"uint8_t" => [ "long", "%u" ],
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"uint16_t" => [ "long", "%u" ],
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"uint32_t" => [ "long", "%u" ],
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"uint64_t" => [ "int64", "wine_dbgstr_longlong(%s)" ],
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"unsigned int" => [ "long", "%u" ],
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);
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my %unsupported_extensions =
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(
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# Needs wined3d integration.
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"cl_intel_d3d11_nv12_media_sharing" => 1,
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"cl_intel_dx9_media_sharing" => 1,
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"cl_khr_d3d10_sharing" => 1,
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"cl_khr_d3d11_sharing" => 1,
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"cl_khr_dx9_media_sharing" => 1,
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"cl_nv_d3d9_sharing" => 1,
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"cl_nv_d3d10_sharing" => 1,
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"cl_nv_d3d11_sharing" => 1,
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# Needs a loader/ICD split.
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"cl_khr_icd" => 1,
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"cl_loader_layers" => 1,
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# Needs callback conversion.
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"cl_apple_setmemobjectdestructor" => 1,
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"cl_arm_shared_virtual_memory" => 1,
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);
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sub generate_pe_thunk($$)
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{
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my ($name, $func_ref) = @_;
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my $call_arg = "";
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my $trace_call_arg = "";
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my $trace_arg = "";
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my $ret = get_func_proto( "%s WINAPI %s(%s)", $name, $func_ref );
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foreach my $arg (@{$func_ref->[1]})
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{
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my $ptype = get_arg_type( $arg );
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next unless $arg->findnodes("./name");
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my $pname = get_arg_name( $arg );
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my $param = $arg->textContent();
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$call_arg .= " " . $pname . ",";
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if ($param =~ /\*/ || $param =~ /\[/)
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{
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$trace_arg .= ", %p";
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$trace_call_arg .= ", " . $pname;
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}
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elsif (defined $arg_types{$ptype})
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{
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my $format = ${$arg_types{$ptype}}[1];
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$trace_arg .= ", " . ($format =~ /^%/ ? $format : "%s");
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$trace_call_arg .= ", " . sprintf $format =~ /^%/ ? "%s" : $format, $pname;
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}
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else
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{
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die "Unknown type %s in %s\n", $param, $name;
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}
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}
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$call_arg =~ s/,$/ /;
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$trace_arg =~ s/^, //;
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$ret .= "\n{\n";
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$ret .= " TRACE( \"($trace_arg)\\n\"$trace_call_arg );\n" if $gen_traces;
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$ret .= " ";
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$ret .= "return " unless is_void_func( $func_ref );
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$ret .= "opencl_funcs->p$name($call_arg);\n";
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$ret .= "}\n";
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return $ret;
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}
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sub generate_unix_thunk($$)
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{
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my ($name, $func_ref) = @_;
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my $call_arg = "";
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my $ret = get_func_proto( "static %s WINAPI wrap_%s(%s)", $name, $func_ref );
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foreach my $arg (@{$func_ref->[1]})
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{
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my $ptype = get_arg_type( $arg );
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next unless $arg->findnodes("./name");
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my $pname = get_arg_name( $arg );
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my $param = $arg->textContent();
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$call_arg .= " " . $pname . ",";
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}
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$call_arg =~ s/,$/ /;
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$ret .= "\n{\n ";
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$ret .= "return " unless is_void_func( $func_ref );
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$ret .= "$name($call_arg);\n";
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$ret .= "}\n";
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return $ret;
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}
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sub is_void_func($)
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{
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my $func = shift;
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return 0 if @{$func->[0]->findnodes("./type")};
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return $func->[0]->textContent() eq "void";
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}
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sub get_arg_type($)
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{
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my $p = shift;
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my @type = $p->findnodes("./type");
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return @type ? $type[0]->textContent() : "cl_int";
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}
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sub get_arg_name($)
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{
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my $p = shift;
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my @name = $p->findnodes("./name");
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return $name[0]->textContent();
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}
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sub get_func_proto($$$)
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{
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my ($format, $name, $func) = @_;
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die "unknown func $name" unless defined $func->[0];
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my $proto = $func->[0]->textContent();
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$proto =~ s/ +$//;
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my $args = "";
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foreach my $arg (@{$func->[1]})
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{
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(my $argtext = $arg->textContent()) =~ s/ +/ /g;
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$argtext =~ s/CL_CALLBACK/WINAPI/g;
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$args .= " " . $argtext . ",";
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}
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$args =~ s/,$/ /;
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$args ||= "void";
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return sprintf $format, $proto, $name, $args;
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}
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# extract and check the number of arguments
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if (@ARGV > 1)
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{
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my $name0 = $0;
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$name0 =~ s%^.*/%%;
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die "Usage: $name0 [version]\n";
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}
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my $version = $ARGV[0] || "1.2";
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if ($version eq "1.0")
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{
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%core_categories = %cat_1_0;
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}
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elsif ($version eq "1.1")
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{
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%core_categories = %cat_1_1;
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}
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elsif ($version eq "1.2")
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{
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%core_categories = %cat_1_2;
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}
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else
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{
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die "Incorrect OpenCL version.\n";
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}
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my $url = "https://raw.githubusercontent.com/KhronosGroup/OpenCL-Docs";
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my $commit = "514965312a65e5d01ae17e23119dc95427b7149e";
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-f "cl-$commit.xml" || system "wget", "-O", "cl-$commit.xml", "$url/$commit/xml/cl.xml" || die "cannot download cl.xml";
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sub generate_spec_entry($$)
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{
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my ($name, $func) = @_;
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my $args=" ";
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foreach my $arg (@{$func->[1]})
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{
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my $ptype = get_arg_type( $arg );
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my $param = $arg->textContent();
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if ($param =~ /[[*]/)
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{
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$args .= "ptr ";
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}
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elsif (defined($arg_types{$ptype}))
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{
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$args .= "$@$arg_types{$ptype}[0] ";
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}
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elsif ($ptype ne "void")
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{
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die "No conversion for func $name type $param\n";
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}
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}
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$args = substr($args,1,-1);
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return "@ stdcall $_($args)";
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}
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my %core_functions;
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my %cl_enums;
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my (%cl_types, @cl_types); # also use an array to preserve declaration order
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# some functions need a hand-written wrapper
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sub needs_pe_wrapper($)
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{
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my %funcs =
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(
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# need extension filtering
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"clGetDeviceInfo" => 1,
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"clGetPlatformInfo" => 1,
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# needs function pointer conversion
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"clGetExtensionFunctionAddress" => 1,
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"clGetExtensionFunctionAddressForPlatform" => 1,
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# deprecated and absent from headers
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"clSetCommandQueueProperty" => 1,
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);
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my $name = shift;
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return defined $funcs{$name};
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}
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# some functions need a hand-written wrapper
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sub needs_unix_wrapper($)
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{
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my %funcs =
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(
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# need callback conversion
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"clBuildProgram" => 1,
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"clCompileProgram" => 1,
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"clCreateContext" => 1,
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"clCreateContextFromType" => 1,
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"clEnqueueNativeKernel" => 1,
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"clLinkProgram" => 1,
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"clSetEventCallback" => 1,
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"clSetMemObjectDestructorCallback" => 1,
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);
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my $name = shift;
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return defined $funcs{$name};
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}
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# don't bother putting unused functions in the interface
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sub needs_unix_function($)
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{
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my %funcs =
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(
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"clGetExtensionFunctionAddress" => 1,
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"clGetExtensionFunctionAddressForPlatform" => 1,
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"clSetCommandQueueProperty" => 1,
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);
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my $name = shift;
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return not defined $funcs{$name};
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}
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sub generate_struct($)
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{
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my $type = shift;
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my $name = $type->{name};
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my $ret = "typedef struct _$name\n{\n";
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foreach my $member ($type->findnodes("./member"))
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{
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($member = $member->textContent()) =~ s/ +/ /g;
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$ret .= " $member;\n";
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}
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$ret .= "} $name;\n";
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return $ret;
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}
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sub parse_file($)
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{
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my $file = shift;
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my $xml = XML::LibXML->load_xml( location => $file );
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my %functions;
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my %enums;
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my %types;
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# save all functions
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foreach my $command ($xml->findnodes("/registry/commands/command"))
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{
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my $proto = @{$command->findnodes("./proto")}[0];
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my $name = @{$command->findnodes("./proto/name")}[0];
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$proto->removeChild( $name );
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my @params = $command->findnodes("./param");
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$functions{$name->textContent()} = [ $proto, \@params ];
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}
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# save all enums
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foreach my $enum ($xml->findnodes("/registry/enums/enum"))
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{
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if (defined $enum->{value})
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{
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$enums{$enum->{name}} = $enum->{value};
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}
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else
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{
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$enums{$enum->{name}} = "(1 << " . $enum->{bitpos} . ")";
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}
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}
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# save all types
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foreach my $type ($xml->findnodes("/registry/types/type"))
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{
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if ($type->{category} eq "define")
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{
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my $name = @{$type->findnodes("./name")}[0];
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$name = $name->textContent;
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$types{$name} = $type;
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my $basetype = @{$type->findnodes("./type")}[0];
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if ($type->textContent() =~ /[[*]/)
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{
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$arg_types{$name} = ["ptr", "%p"];
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}
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elsif (defined($basetype) and defined($arg_types{$basetype->textContent}))
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{
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$arg_types{$name} = $arg_types{$basetype->textContent};
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}
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elsif ($name ne "cl_icd_dispatch")
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{
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die "No conversion for type $name\n"
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}
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}
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elsif ($type->{category} eq "struct")
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{
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my $name = $type->{name};
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$types{$name} = $type;
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}
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}
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# generate core functions
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foreach my $feature ($xml->findnodes("/registry/feature"))
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{
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next unless defined $core_categories{$feature->{name}};
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foreach my $cmd ($feature->findnodes("./require/command"))
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{
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$core_functions{$cmd->{name}} = $functions{$cmd->{name}};
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}
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foreach my $enum ($feature->findnodes("./require/enum"))
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{
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$cl_enums{$enum->{name}} = $enums{$enum->{name}};
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}
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foreach my $type ($feature->findnodes("./require/type"))
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{
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next unless $types{$type->{name}};
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push @cl_types, $type->{name} unless $cl_types{$type->{name}};
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$cl_types{$type->{name}} = $types{$type->{name}};
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}
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}
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# generate extension list
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foreach my $ext ($xml->findnodes("/registry/extensions/extension"))
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{
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# we currently don't support clGetExtensionFunctionAddress, and
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# implementing clGetExtensionFunctionAddressForPlatform is nontrivial;
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# we need to generate a table of thunks per platform and retrieve the
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# platform from the called object
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$unsupported_extensions{lc($ext->{name})} = 1 if $ext->findnodes("./require/command");
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}
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}
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parse_file( "cl-$commit.xml" );
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# generate the spec file
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open(SPEC, ">$spec_file") or die "cannot create $spec_file";
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foreach (sort keys %core_functions)
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{
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printf SPEC "%s\n", generate_spec_entry( $_, $core_functions{$_} );
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}
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close(SPEC);
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# generate the PE thunks
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open(PE, ">$pe_file") or die "cannot create $pe_file";
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print PE "/* Automatically generated from OpenCL registry files; DO NOT EDIT! */\n\n";
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print PE "#include \"opencl_private.h\"\n";
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print PE "#include \"opencl_types.h\"\n";
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print PE "#include \"unixlib.h\"\n\n";
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print PE "WINE_DEFAULT_DEBUG_CHANNEL(opencl);\n" if $gen_traces;
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foreach (sort keys %core_functions)
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{
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next if needs_pe_wrapper( $_ );
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print PE "\n", generate_pe_thunk( $_, $core_functions{$_} );
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}
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print PE <<EOF
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BOOL extension_is_supported( const char *name, size_t len )
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{
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unsigned int i;
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static const char *const unsupported[] =
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{
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EOF
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;
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foreach (sort keys %unsupported_extensions)
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{
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print PE " \"$_\",\n";
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}
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print PE <<EOF
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};
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for (i = 0; i < ARRAY_SIZE(unsupported); ++i)
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{
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if (!strncasecmp( name, unsupported[i], len ))
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return FALSE;
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}
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return TRUE;
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}
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EOF
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;
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close(PE);
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# generate the unix library thunks
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open(UNIX, ">$unix_file") or die "cannot create $unix_file";
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print UNIX <<EOF
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/* Automatically generated from OpenCL registry files; DO NOT EDIT! */
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#if 0
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#pragma makedep unix
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#endif
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#include "config.h"
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#include "unix_private.h"
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EOF
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;
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foreach (sort keys %core_functions)
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{
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next unless needs_unix_function( $_ );
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next if needs_unix_wrapper( $_ );
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print UNIX "\n", generate_unix_thunk( $_, $core_functions{$_} );
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}
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print UNIX "\nconst struct opencl_funcs funcs =\n{\n";
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foreach (sort keys %core_functions)
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{
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next unless needs_unix_function( $_ );
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print UNIX " wrap_" . $_ . ",\n";
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}
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print UNIX "};\n";
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close(UNIX);
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# generate the unix library header
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open(UNIXHEADER, ">$unixheader_file") or die "cannot create $unixheader_file";
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print UNIXHEADER "/* Automatically generated from OpenCL registry files; DO NOT EDIT! */\n\n";
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print UNIXHEADER "struct opencl_funcs\n{\n";
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foreach (sort keys %core_functions)
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{
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next unless needs_unix_function( $_ );
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print UNIXHEADER get_func_proto( " %s (WINAPI *p%s)(%s);\n", $_, $core_functions{$_} );
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}
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print UNIXHEADER "};\n\n";
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print UNIXHEADER "extern const struct opencl_funcs *opencl_funcs;\n";
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close(UNIXHEADER);
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# generate the Win32 type definitions
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open(TYPES, ">$types_file") or die "cannot create $types_file";
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print TYPES <<END
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/* Automatically generated from OpenCL registry files; DO NOT EDIT! */
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typedef int32_t DECLSPEC_ALIGN(4) cl_int;
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typedef uint32_t DECLSPEC_ALIGN(4) cl_uint;
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typedef uint64_t DECLSPEC_ALIGN(8) cl_ulong;
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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);
|