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[gvar] Optimize as_array() access

This commit is contained in:
Behdad Esfahbod 2022-11-22 11:57:29 -07:00
parent bb3bb76450
commit 2968dd7844
1 changed files with 9 additions and 7 deletions
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16
src/hb-ot-var-gvar-table.hh
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@ -564,12 +564,14 @@ struct gvar
return true; /* so isn't applied at all */ return true; /* so isn't applied at all */
/* Save original points for inferred delta calculation */ /* Save original points for inferred delta calculation */
contour_point_vector_t orig_points; contour_point_vector_t orig_points_vec;
orig_points.extend (points); orig_points_vec.extend (points);
if (unlikely (orig_points.in_error ())) return false; if (unlikely (orig_points_vec.in_error ())) return false;
auto orig_points = orig_points_vec.as_array ();
contour_point_vector_t deltas; /* flag is used to indicate referenced point */ contour_point_vector_t deltas_vec; /* flag is used to indicate referenced point */
if (unlikely (!deltas.resize (points.length, false))) return false; if (unlikely (!deltas_vec.resize (points.length, false))) return false;
auto deltas = deltas_vec.as_array ();
hb_vector_t<unsigned> end_points; hb_vector_t<unsigned> end_points;
for (unsigned i = 0; i < points.length; ++i) for (unsigned i = 0; i < points.length; ++i)
@ -669,8 +671,8 @@ struct gvar
{ {
i = next_index (i, start_point, end_point); i = next_index (i, start_point, end_point);
if (i == next) break; if (i == next) break;
deltas.arrayZ[i].x = infer_delta (orig_points.as_array (), deltas.as_array (), i, prev, next, &contour_point_t::x); deltas.arrayZ[i].x = infer_delta (orig_points, deltas, i, prev, next, &contour_point_t::x);
deltas.arrayZ[i].y = infer_delta (orig_points.as_array (), deltas.as_array (), i, prev, next, &contour_point_t::y); deltas.arrayZ[i].y = infer_delta (orig_points, deltas, i, prev, next, &contour_point_t::y);
if (--unref_count == 0) goto no_more_gaps; if (--unref_count == 0) goto no_more_gaps;
} }
} }