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/*
* Copyright 2021 Google LLC
* SPDX-License-Identifier: MIT
*/
#include "vk_alloc.h"
#include <stdlib.h>
#ifndef _MSC_VER
#include <stddef.h>
#define MAX_ALIGN alignof(max_align_t)
#else
/* long double might be 128-bit, but our callers do not need that anyway(?) */
#include <stdint.h>
#define MAX_ALIGN alignof(uint64_t)
#endif
static VKAPI_ATTR void * VKAPI_CALL
vk_default_alloc(void *pUserData,
size_t size,
size_t alignment,
VkSystemAllocationScope allocationScope)
{
assert(MAX_ALIGN % alignment == 0);
return malloc(size);
}
static VKAPI_ATTR void * VKAPI_CALL
vk_default_realloc(void *pUserData,
void *pOriginal,
size_t size,
size_t alignment,
VkSystemAllocationScope allocationScope)
{
assert(MAX_ALIGN % alignment == 0);
return realloc(pOriginal, size);
}
static VKAPI_ATTR void VKAPI_CALL
vk_default_free(void *pUserData, void *pMemory)
{
free(pMemory);
}
const VkAllocationCallbacks *
vk_default_allocator(void)
{
static const VkAllocationCallbacks allocator = {
.pfnAllocation = vk_default_alloc,
.pfnReallocation = vk_default_realloc,
.pfnFree = vk_default_free,
};
return &allocator;
}
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