Files
renderdoc/renderdoc/driver/gl/hookset.pl
T

306 lines
7.7 KiB
Perl

#!/bin/perl
use strict;
use POSIX;
binmode(STDOUT, ":crlf") if $^O eq 'msys';
sub trim {
(my $s = $_[0]) =~ s/^\s+|\s+$//g;
return $s;
}
sub uniq {
my %seen;
grep !$seen{$_}++, @_;
}
sub uses_typedef
{
return 1 if $_[0]{'typedef'} eq $_[1];
return 1 if ("PFN" . uc($_[0]{'name'}) . "PROC") eq $_[1];
foreach my $a (@{$_[0]{'aliases'}})
{
return 1 if ("PFN" . uc($a) . "PROC") eq $_[1];
}
return 0;
}
my $printdefs = $ARGV[$1] eq "defs";
open(HOOKSET, "<gl_hookset.h") || die "Couldn't open gl_hookset.h - run in driver/gl/";
my @unsupported = ();
my @dllexport = ();
my @glext = ();
my @dropped = ();
my $current = \@unsupported;
my @used = ();
while(<HOOKSET>)
{
my $line = $_;
if($line =~ /\/\/ --/)
{
$current = \@unsupported;
}
elsif($line =~ /\/\/ \+\+ ([a-z]*)/)
{
$current = \@dllexport if $1 eq "dllexport";
$current = \@glext if $1 eq "glext";
}
elsif($line =~ /^\s*\/\/.*/)
{
# skip comments
}
elsif($line =~ /^\s*$/)
{
# skip blank lines
}
elsif($current != \@unsupported)
{
if($line =~ /(PFN.*PROC) (.*);(\s*\/\/ aliases )?([a-zA-Z0-9_ ,]*)?/)
{
my $typedef = $1;
my $name = $2;
my $aliases = $4;
my @alias_split = split(/, */, $aliases);
my %hook = (name => $name, typedef => $typedef, aliases => \@alias_split, processed => 0);
push @{$current}, { %hook };
push @used, $typedef;
push @used, "PFN" . uc($name) . "PROC";
foreach my $a (@alias_split)
{
push @used, "PFN" . uc($a) . "PROC";
}
}
else
{
print "MALFORMED LINE IN gl_hookset.h: '$line'\n";
}
}
}
@used = uniq(@used);
my @dllexportfuncs = ();
my @glextfuncs = ();
my @processed = ();
my $typedefs = `grep -Eh PFN[0-9A-Z_-]+PROC official/glcorearb.h official/glext.h official/gl32.h official/glesext.h official/wglext.h official/legacygl.h`;
foreach my $typedef (split(/\n/, $typedefs))
{
if($typedef =~ /^typedef (.*)\([A-Z_ *]* (.*)\) \((.*)\);/)
{
my $returnType = trim($1);
my $def = $2;
my $args = $3;
$args = "" if $args eq "void";
# glPathGlyphIndexRangeNV has an array parameter - GLuint baseAndCount[2]
# just transform these to pointer parameters, it's equivalent.
$args =~ s/([A-Za-z_][a-zA-Z_0-9]*) ([A-Za-z_][a-zA-Z_0-9]*)\[[0-9]*\]/$1 *$2/g;
my $origargs = $args;
$args =~ s/ *([a-zA-Z_][a-zA-Z_0-9]*)(,|\Z)/, $1$2/g;
my $argcount = () = $args =~ /,/g;
$argcount = floor(($argcount + 1)/2);
my $isused = grep {$_ eq $def} @used;
$current = \@unsupported;
my $name = $def;
$name =~ s/^PFN(.*)PROC$/$1/g;
$name = lc($name); # todo, fetch the proper name instead of using lowercase (and insensitive compare)
my $aliases = "";
if($isused)
{
my @res = grep {uses_typedef($_, $def)} @dllexport;
if(scalar @res)
{
$name = $res[0]{'name'};
$aliases = $res[0]{'aliases'};
$current = \@dllexportfuncs;
}
else
{
@res = grep {uses_typedef($_, $def)} @glext;
print "SCRIPT ERROR: '$def' reported as used but can't find matching definition\n" if not scalar @res;
$name = $res[0]{'name'};
$aliases = $res[0]{'aliases'};
$current = \@glextfuncs;
}
}
elsif($name =~ /^wgl/i)
{
$current = \@dropped;
}
my $funcdefmacro = "HookWrapper$argcount($returnType, $name";
$funcdefmacro .= ", $args" if $args ne "";
$funcdefmacro .= ");";
my $aliasdefmacro = "HookAliasWrapper$argcount($returnType, ALIASNAME, $name";
$aliasdefmacro .= ", $args" if $args ne "";
$aliasdefmacro .= ");";
if(not grep {$_ eq $name} @processed)
{
my %func = ('name', $name, 'typedef', $def, 'macro', $funcdefmacro, 'aliasmacro', $aliasdefmacro, 'ret', $returnType, 'args', $origargs, 'aliases', $aliases);
push @{$current}, { %func };
push @processed, $name;
}
}
}
close(HOOKSET);
if($printdefs)
{
foreach my $el (@dllexportfuncs)
{
print " IMPLEMENT_FUNCTION_SERIALISED($el->{ret}, $el->{name}($el->{args}));\n";
}
print "\n";
foreach my $el (@glextfuncs)
{
print " IMPLEMENT_FUNCTION_SERIALISED($el->{ret}, $el->{name}($el->{args}));\n";
}
print "\n";
exit;
}
print <<ENDOFHEADER;
/******************************************************************************
* The MIT License (MIT)
*
* Copyright (c) 2015-2017 Baldur Karlsson
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
******************************************************************************/
#pragma once
// This file is autogenerated with hookset.pl - any changes will be overwritten
// next time that script is run.
// \$ pwd
// .../renderdoc/driver/gl
// \$ ./hookset.pl > gl_hookset_defs.h
ENDOFHEADER
print "// We need to disable clang-format since this struct is programmatically generated\n";
print "// clang-format off\n";
print "////////////////////////////////////////////////////\n";
print "\n";
print "// dllexport functions\n";
print "#define DLLExportHooks() \\\n";
foreach my $el (@dllexportfuncs)
{
print " HookInit($el->{name}); \\\n"
}
print "\n";
print "\n";
print "\n";
print "// gl extensions\n";
print "#define HookCheckGLExtensions() \\\n";
foreach my $el (@glextfuncs)
{
print " HookExtension($el->{typedef}, $el->{name}); \\\n";
foreach my $alias (@{$el->{aliases}})
{
print " HookExtensionAlias($el->{typedef}, $el->{name}, $alias); \\\n";
}
}
foreach my $el (@dllexportfuncs)
{
print " HookExtension($el->{typedef}, $el->{name}); \\\n";
foreach my $alias (@{$el->{aliases}})
{
print " HookExtensionAlias($el->{typedef}, $el->{name}, $alias); \\\n";
}
}
print "\n";
print "\n";
print "\n";
print "// dllexport functions\n";
print "#define DefineDLLExportHooks() \\\n";
foreach my $el (@dllexportfuncs)
{
foreach my $alias (@{$el->{aliases}})
{
my $aliasmacro = $el->{aliasmacro};
$aliasmacro =~ s/ALIASNAME/$alias/g;
print " $aliasmacro \\\n";
}
print " $el->{macro} \\\n"
}
print "\n";
print "\n";
print "\n";
print "// gl extensions\n";
print "#define DefineGLExtensionHooks() \\\n";
foreach my $el (@glextfuncs)
{
foreach my $alias (@{$el->{aliases}})
{
my $aliasmacro = $el->{aliasmacro};
$aliasmacro =~ s/ALIASNAME/$alias/g;
print " $aliasmacro \\\n";
}
print " $el->{macro} \\\n"
}
print "\n";
print "\n";
print "\n";
print "// unsupported entry points - used for dummy functions\n";
print "#define DefineUnsupportedDummies() \\\n";
foreach my $el (@unsupported)
{
print " $el->{macro} \\\n"
}
print "\n";
print "\n";
print "\n";
print "#define CheckUnsupported() \\\n";
foreach my $el (@unsupported)
{
print " HandleUnsupported($el->{typedef}, $el->{name}); \\\n"
}
print "\n";
print "// clang-format on\n";
print "\n";