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[varStore] Add clear_cache()

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Behdad Esfahbod 2025-04-02 15:18:44 -06:00
parent da0c459dd4
commit 7da049ed42
1 changed files with 12 additions and 5 deletions
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17
src/hb-ot-layout-common.hh
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@ -3187,16 +3187,23 @@ struct ItemVariationStore
#ifdef HB_NO_VAR #ifdef HB_NO_VAR
return nullptr; return nullptr;
#endif #endif
auto &r = this+regions; unsigned count = (this+regions).regionCount;
unsigned count = r.regionCount;
float *cache = (float *) hb_malloc (sizeof (float) * count); float *cache = (float *) hb_malloc (sizeof (float) * count);
if (unlikely (!cache)) return nullptr;
clear_cache (cache);
return cache;
}
void clear_cache (cache_t *cache) const
{
if (unlikely (!cache)) return;
unsigned count = (this+regions).regionCount;
for (unsigned i = 0; i < count; i++) for (unsigned i = 0; i < count; i++)
cache[i] = REGION_CACHE_ITEM_CACHE_INVALID; cache[i] = REGION_CACHE_ITEM_CACHE_INVALID;
return cache;
} }
static void destroy_cache (cache_t *cache) { hb_free (cache); } static void destroy_cache (cache_t *cache) { hb_free (cache); }