Files
test2/intern/cycles/util/aligned_malloc.h
Brecht Van Lommel 8cf031ba95 Fix: Wrong Cycles NanoVDB memory alignment on Windows
This was not a problem in practice so far, but will be with upcoming changes.

Pull Request: https://projects.blender.org/blender/blender/pulls/132908
2025-07-09 20:59:27 +02:00

38 lines
959 B
C++

/* SPDX-FileCopyrightText: 2011-2022 Blender Foundation
*
* SPDX-License-Identifier: Apache-2.0 */
#pragma once
#include <cstddef>
CCL_NAMESPACE_BEGIN
/* Minimum alignment needed by all CPU native data types (SSE, AVX). */
#define MIN_ALIGNMENT_CPU_DATA_TYPES 16 // NOLINT
/* NanoVDB needs at least 32 byte alignment. */
#define MIN_ALIGNMENT_DEVICE_MEMORY 32 // NOLINT
/* Allocate block of size bytes at least aligned to a given value. */
void *util_aligned_malloc(const size_t size, const int alignment);
/* Free memory allocated by util_aligned_malloc. */
void util_aligned_free(void *ptr, const size_t size);
/* 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, sizeof(T));
}
}
CCL_NAMESPACE_END