diff options
| -rw-r--r-- | core/cowdata.h | 41 |
1 files changed, 24 insertions, 17 deletions
diff --git a/core/cowdata.h b/core/cowdata.h index 5de78be6d7..8b01b63aaa 100644 --- a/core/cowdata.h +++ b/core/cowdata.h @@ -253,7 +253,9 @@ Error CowData<T>::resize(int p_size) { ERR_FAIL_COND_V(p_size < 0, ERR_INVALID_PARAMETER); - if (p_size == size()) + int current_size = size(); + + if (p_size == current_size) return OK; if (p_size == 0) { @@ -266,24 +268,27 @@ Error CowData<T>::resize(int p_size) { // possibly changing size, copy on write _copy_on_write(); + size_t current_alloc_size = _get_alloc_size(current_size); size_t alloc_size; ERR_FAIL_COND_V(!_get_alloc_size_checked(p_size, &alloc_size), ERR_OUT_OF_MEMORY); - if (p_size > size()) { + if (p_size > current_size) { - if (size() == 0) { - // alloc from scratch - uint32_t *ptr = (uint32_t *)Memory::alloc_static(alloc_size, true); - ERR_FAIL_COND_V(!ptr, ERR_OUT_OF_MEMORY); - *(ptr - 1) = 0; //size, currently none - *(ptr - 2) = 1; //refcount + if (alloc_size != current_alloc_size) { + if (current_size == 0) { + // alloc from scratch + uint32_t *ptr = (uint32_t *)Memory::alloc_static(alloc_size, true); + ERR_FAIL_COND_V(!ptr, ERR_OUT_OF_MEMORY); + *(ptr - 1) = 0; //size, currently none + *(ptr - 2) = 1; //refcount - _ptr = (T *)ptr; + _ptr = (T *)ptr; - } else { - void *_ptrnew = (T *)Memory::realloc_static(_ptr, alloc_size, true); - ERR_FAIL_COND_V(!_ptrnew, ERR_OUT_OF_MEMORY); - _ptr = (T *)(_ptrnew); + } else { + void *_ptrnew = (T *)Memory::realloc_static(_ptr, alloc_size, true); + ERR_FAIL_COND_V(!_ptrnew, ERR_OUT_OF_MEMORY); + _ptr = (T *)(_ptrnew); + } } // construct the newly created elements @@ -298,7 +303,7 @@ Error CowData<T>::resize(int p_size) { *_get_size() = p_size; - } else if (p_size < size()) { + } else if (p_size < current_size) { if (!__has_trivial_destructor(T)) { // deinitialize no longer needed elements @@ -308,10 +313,12 @@ Error CowData<T>::resize(int p_size) { } } - void *_ptrnew = (T *)Memory::realloc_static(_ptr, alloc_size, true); - ERR_FAIL_COND_V(!_ptrnew, ERR_OUT_OF_MEMORY); + if (alloc_size != current_alloc_size) { + void *_ptrnew = (T *)Memory::realloc_static(_ptr, alloc_size, true); + ERR_FAIL_COND_V(!_ptrnew, ERR_OUT_OF_MEMORY); - _ptr = (T *)(_ptrnew); + _ptr = (T *)(_ptrnew); + } *_get_size() = p_size; } |