37 lines
1003 B
Perl
37 lines
1003 B
Perl
#! perl
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my $fname=shift || die "format is shaderinfo blah.vcs";
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open(SHADER, $fname) || die "can't open $fname";
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binmode SHADER;
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read(SHADER,$header,20);
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($ver,$ntotal,$ndynamic,$flags,$centroidmask)=unpack("LLLLL",$header);
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#print "Version $ver total combos=$ntotal, num dynamic combos=$ndynamic,\n flags=$flags, centroid mask=$centroidmask\n";
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read(SHADER,$refsize,4);
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$refsize=unpack("L",$refsize);
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#print "Size of reference shader for diffing=$refsize\n";
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seek(SHADER,$refsize,1);
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$nskipped_combos=0;
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for(1..$ntotal)
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{
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read(SHADER,$combodata,8);
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($ofs,$combosize)=unpack("LL",$combodata);
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if ( $ofs == 0xffffffff)
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{
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$nskipped_combos++;
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}
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else
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{
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}
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}
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#print "$nskipped_combos skipped, for an actual total of ",$ntotal-$nskipped_combos,"\n";
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#print "Real to skipped ratio = ",($ntotal-$nskipped_combos)/$ntotal,"\n";
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# csv output - name, real combos, virtual combos, dynamic combos
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my $real_combos=$ntotal-$nskipped_combos;
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print "$fname,$real_combos,$ntotal,$ndynamic\n";
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