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[Ligature] Micro-optimize

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This commit is contained in:
Behdad Esfahbod 2023-05-03 12:49:31 -06:00
parent 51061d2854
commit 0fe90ebc00
1 changed files with 12 additions and 4 deletions
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16
src/OT/Layout/GSUB/LigatureSet.hh
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@ -109,20 +109,28 @@ struct LigatureSet
}
bool not_short_circuit = matched && skippy_iter.may_skip (c->buffer->info[skippy_iter.idx]);
bool unsafe_to_concat = false;
unsigned int num_ligs = ligature.len;
for (unsigned int i = 0; i < num_ligs; i++)
{
const auto &lig = this+ligature.arrayZ[i];
if (lig.component.lenP1 <= 1 ||
if (unlikely (lig.component.lenP1 <= 1) ||
lig.component[1] == first ||
not_short_circuit)
{
if (lig.apply (c)) return_trace (true);
if (lig.apply (c))
{
if (unsafe_to_concat)
c->buffer->unsafe_to_concat (c->buffer->idx, unsafe_to);
return_trace (true);
}
}
else if (lig.component.lenP1 > 1)
c->buffer->unsafe_to_concat (c->buffer->idx, unsafe_to);
else if (likely (lig.component.lenP1 > 1))
unsafe_to_concat = true;
}
if (likely (unsafe_to_concat))
c->buffer->unsafe_to_concat (c->buffer->idx, unsafe_to);
return_trace (false);
}