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[instancing] Micro-optimize a loop

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This commit is contained in:
Behdad Esfahbod 2023-11-01 16:25:50 -06:00
parent 29d49eced8
commit 59cfb4c570
1 changed files with 13 additions and 8 deletions
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21
src/hb-ot-var-common.hh
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@ -516,14 +516,19 @@ struct tuple_delta_t
return *this;
unsigned num = indices.length;
for (unsigned i = 0; i < num; i++)
{
if (!indices.arrayZ[i]) continue;
deltas_x[i] *= scalar;
if (deltas_y)
deltas_y[i] *= scalar;
}
if (deltas_y)
for (unsigned i = 0; i < num; i++)
{
if (!indices.arrayZ[i]) continue;
deltas_x[i] *= scalar;
deltas_y[i] *= scalar;
}
else
for (unsigned i = 0; i < num; i++)
{
if (!indices.arrayZ[i]) continue;
deltas_x[i] *= scalar;
}
return *this;
}