blender/intern/cycles/util/aligned_malloc.h

39 lines
908 B
C++

/* SPDX-FileCopyrightText: 2011-2022 Blender Foundation
*
* SPDX-License-Identifier: Apache-2.0 */
#ifndef __UTIL_ALIGNED_MALLOC_H__
#define __UTIL_ALIGNED_MALLOC_H__
#include "util/types.h"
CCL_NAMESPACE_BEGIN
/* Minimum alignment needed by all CPU native data types (SSE, AVX). */
#define MIN_ALIGNMENT_CPU_DATA_TYPES 16
/* Allocate block of size bytes at least aligned to a given value. */
void *util_aligned_malloc(size_t size, int alignment);
/* Free memory allocated by util_aligned_malloc. */
void util_aligned_free(void *ptr);
/* Aligned new operator. */
template<typename T, typename... Args> T *util_aligned_new(Args... args)
{
void *mem = util_aligned_malloc(sizeof(T), alignof(T));
return new (mem) T(args...);
}
template<typename T> void util_aligned_delete(T *t)
{
if (t) {
t->~T();
util_aligned_free(t);
}
}
CCL_NAMESPACE_END
#endif /* __UTIL_ALIGNED_MALLOC_H__ */