diff options
Diffstat (limited to 'core/templates/cowdata.h')
| -rw-r--r-- | core/templates/cowdata.h | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/core/templates/cowdata.h b/core/templates/cowdata.h index e760fc2176..f98b2308c9 100644 --- a/core/templates/cowdata.h +++ b/core/templates/cowdata.h @@ -36,6 +36,7 @@ #include "core/templates/safe_refcount.h" #include <string.h> +#include <type_traits> template <class T> class Vector; @@ -158,6 +159,7 @@ public: return _ptr[p_index]; } + template <bool p_ensure_zero = false> Error resize(int p_size); _FORCE_INLINE_ void remove_at(int p_index) { @@ -204,7 +206,7 @@ void CowData<T>::_unref(void *p_data) { } // clean up - if (!__has_trivial_destructor(T)) { + if (!std::is_trivially_destructible<T>::value) { uint32_t *count = _get_size(); T *data = (T *)(count + 1); @@ -239,7 +241,7 @@ uint32_t CowData<T>::_copy_on_write() { T *_data = (T *)(mem_new); // initialize new elements - if (__has_trivial_copy(T)) { + if (std::is_trivially_copyable<T>::value) { memcpy(mem_new, _ptr, current_size * sizeof(T)); } else { @@ -257,6 +259,7 @@ uint32_t CowData<T>::_copy_on_write() { } template <class T> +template <bool p_ensure_zero> Error CowData<T>::resize(int p_size) { ERR_FAIL_COND_V(p_size < 0, ERR_INVALID_PARAMETER); @@ -302,16 +305,18 @@ Error CowData<T>::resize(int p_size) { // construct the newly created elements - if (!__has_trivial_constructor(T)) { + if (!std::is_trivially_constructible<T>::value) { for (int i = *_get_size(); i < p_size; i++) { memnew_placement(&_ptr[i], T); } + } else if (p_ensure_zero) { + memset((void *)(_ptr + current_size), 0, (p_size - current_size) * sizeof(T)); } *_get_size() = p_size; } else if (p_size < current_size) { - if (!__has_trivial_destructor(T)) { + if (!std::is_trivially_destructible<T>::value) { // deinitialize no longer needed elements for (uint32_t i = p_size; i < *_get_size(); i++) { T *t = &_ptr[i]; |