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#!/opt/bin/perl |
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# almost every "if" or "?" in this file indicates a place where the OpenCL |
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# designers fucked it up - each time you have to remember an exception to |
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# the naming rules. |
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use common::sense; |
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my %classmap = qw( |
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platform Platform |
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device Device |
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context Context |
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event Event |
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profiling Event |
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mem Memory |
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image Image |
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sampler Sampler |
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program Program |
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program_build Program |
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kernel Kernel |
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kernel_work_group Kernel |
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command_queue Queue |
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); |
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my %typemap = ( |
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cl_bool => ['cl_bool', 'value [i] ? &PL_sv_yes : &PL_sv_no', 'boolean'], |
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#char => ['char', 'newSVpvn (value, size)', 'string'], |
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char => ['char', 'newSVpv (value, 0)', 'string'], # all these are 0-terminated strings, and the driver often appends a \0 |
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size_t => ['size_t', 'newSVuv (value [i])', 'int'], |
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"void*" => ['void *', 'newSVuv ((IV)(intptr_t)value [i])', 'ptr_value'], |
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cl_platform_id => ['cl_platform_id', 'OpenCL::Platform'], |
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Context => ['cl_context', 'OpenCL::Context', 'ctx'], |
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Device => ['cl_device_id', 'OpenCL::Device', 'device'], |
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cl_device_id => ['cl_device_id', 'OpenCL::Device', 'device'], |
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Memory => ['cl_mem', 'OpenCL::Memory', 'mem'], |
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Program => ['cl_program', 'OpenCL::Program', 'program'], |
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CommandQueue => ['cl_command_queue', 'OpenCL::Queue', 'queue'], |
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cl_context_properties => ['cl_context_properties', 'newSVuv ((UV)value [i])', 'property_int'], |
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); |
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{ |
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my %tmap = ( |
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T_IV => "newSViv (value [i])", |
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T_UV => "newSVuv (value [i])", |
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); |
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open my $fh, "<typemap" |
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or die "typemap: $!"; |
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while (<$fh>) { |
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next if /^INPUT$/; |
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my ($name, $type) = split /\s+/, $_; |
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if ($tmap{$type}) { |
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$typemap{$name} = [$name, $tmap{$type}, substr $name, 3]; |
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} |
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} |
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} |
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sub patch($$$$) { |
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my ($file, $beg, $end, $contents) = @_; |
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{ |
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local $/; |
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open my $fh, "<$file" |
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or die "$file: $!"; |
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my $data = <$fh>; |
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$data =~ s/^(\Q$beg\E\n).*?\n(\Q$end\E\n)/$1\n$contents$2/sm |
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or die "$file: couldn't find $beg/$end"; |
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open my $fh2, ">$file~" |
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or die "$file~: $!"; |
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syswrite $fh2, $data; |
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} |
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rename "$file~", $file; |
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} |
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for my $CLASS (qw(platform device context command_queue mem image sampler program program_build kernel kernel_work_group event profiling)) { |
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open my $fh, "<getinfo.txt" |
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or die "getinfo.txt: $!"; |
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my $XS; |
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my $POD; |
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while (<$fh>) { |
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chomp; |
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my ($class, $name, $ctype) = split /,\s*/, $_, 3; |
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next unless $class eq "cl_$CLASS\_info"; |
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next if $name eq "CL_IMAGE_FORMAT"; # struct |
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next if $name eq "CL_PROGRAM_BINARIES"; # needs multiple calls |
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$ctype =~ s/cl:://g; |
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$ctype =~ s/::size_t/size_t/g; |
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my $cbase = $class; |
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$cbase =~ s/_(.)/\U$1/g; |
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$cbase =~ s/^cl//; |
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$cbase =~ s/Info$//; |
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$cbase = "MemObject" if $cbase eq "Mem"; |
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$cbase = "EventProfiling" if $cbase eq "Profiling"; |
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my $real_class = $CLASS; |
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$real_class = "program" if $real_class eq "program_build"; |
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$real_class = "kernel" if $real_class eq "kernel_work_group"; |
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$real_class = "event" if $real_class eq "profiling"; |
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my $perl_name = lc $name; |
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$perl_name =~ s/^cl_//; |
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$perl_name =~ s/^$real_class\_//; |
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$perl_name =~ s/^queue\_//; |
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my $extra_args; |
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my $extra_perl_args; |
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my $extra_xs_args; |
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if ($CLASS eq "program_build" || $CLASS eq "kernel_work_group") { |
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$extra_args = ', device'; |
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$extra_perl_args = ' ($device)'; |
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$extra_xs_args = ', OpenCL::Device device'; |
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} |
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my $dynamic; |
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my $nelem = "size / sizeof (value [0])"; |
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if ($ctype eq "STRING_CLASS") { |
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$ctype = "VECTOR_CLASS<char>"; |
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$nelem = "1"; |
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$dynamic = 1; |
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} |
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my $type = $ctype; |
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my $array = 0; |
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if ($type =~ s/^VECTOR_CLASS<\s*(.*)>$/$1/) { |
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$dynamic = 1; |
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$array = 1; |
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} elsif ($type =~ s/<(\d+)>$//) { |
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$dynamic = 1; |
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$array = 1; |
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} |
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$type = $typemap{$type} |
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or die "$name: no mapping for $ctype"; |
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my $perltype = $type->[2]; |
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if ($array && $nelem ne "1") { |
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$perltype = "\@${perltype}s"; |
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} else { |
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$perltype = "\$$perltype"; |
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} |
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$POD .= "=item $perltype = \$$real_class->$perl_name$extra_perl_args\n\nCalls C<clGet${cbase}Info> with C<$name> and returns the result(s).\n\n"; |
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root |
1.1 |
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$XS .= "void\n" |
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. "$perl_name (OpenCL::$classmap{$real_class} this$extra_xs_args)\n" |
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. " PPCODE:\n"; |
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if ($dynamic) { |
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$XS .= " size_t size;\n" |
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. " NEED_SUCCESS (Get${cbase}Info, (this$extra_args, $name, 0, 0, &size));\n" |
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. " $type->[0] *value = tmpbuf (size);\n" |
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. " NEED_SUCCESS (Get${cbase}Info, (this$extra_args, $name, size, value, 0));\n"; |
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} else { |
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$XS .= " $type->[0] value [1];\n" |
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. " NEED_SUCCESS (Get${cbase}Info, (this$extra_args, $name, sizeof (value), value, 0));\n"; |
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} |
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if ($array) { |
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$XS .= " int i, n = $nelem;\n" |
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. " EXTEND (SP, n);\n" |
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. " for (i = 0; i < n; ++i)\n"; |
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} else { |
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$XS .= " EXTEND (SP, 1);\n" |
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. " const int i = 0;\n" |
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} |
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if ($type->[1] =~ /^OpenCL::(\S+)$/) { |
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my $oclass = $1; |
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$oclass = "MemObject" if $oclass eq "Memory"; |
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$oclass = "CommandQueue" if $oclass eq "Queue"; |
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$XS .= " {\n"; |
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$XS .= " NEED_SUCCESS (Retain$oclass, (value [i]));\n" unless $1 eq "Platform" || $1 eq "Device"; |
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$XS .= " PUSHs (NEW_MORTAL_OBJ (\"$type->[1]\", value [i]));\n"; |
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$XS .= " }\n"; |
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} else { |
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$XS .= " PUSHs (sv_2mortal ($type->[1]));\n"; |
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} |
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$XS .= "\n"; |
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} |
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patch "OpenCL.xs", "#BEGIN:$CLASS" , "#END:$CLASS" , $XS; |
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patch "OpenCL.pm", "=for gengetinfo begin $CLASS", "=for gengetinfo end $CLASS", $POD; |
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root |
1.1 |
} |
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