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/*
* Copyright © 2015 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#ifndef VK_ALLOC_H
#define VK_ALLOC_H
/* common allocation inlines for vulkan drivers */
#include <string.h>
#include <vulkan/vulkan.h>
static inline void *
vk_alloc(const VkAllocationCallbacks *alloc,
size_t size, size_t align,
VkSystemAllocationScope scope)
{
return alloc->pfnAllocation(alloc->pUserData, size, align, scope);
}
static inline void *
vk_zalloc(const VkAllocationCallbacks *alloc,
size_t size, size_t align,
VkSystemAllocationScope scope)
{
void *mem = vk_alloc(alloc, size, align, scope);
if (mem == NULL)
return NULL;
memset(mem, 0, size);
return mem;
}
static inline void *
vk_realloc(const VkAllocationCallbacks *alloc,
void *ptr, size_t size, size_t align,
VkSystemAllocationScope scope)
{
return alloc->pfnReallocation(alloc->pUserData, ptr, size, align, scope);
}
static inline void
vk_free(const VkAllocationCallbacks *alloc, void *data)
{
if (data == NULL)
return;
alloc->pfnFree(alloc->pUserData, data);
}
static inline char *
vk_strdup(const VkAllocationCallbacks *alloc, const char *s,
VkSystemAllocationScope scope)
{
if (s == NULL)
return NULL;
size_t size = strlen(s) + 1;
char *copy = vk_alloc(alloc, size, 1, scope);
if (copy == NULL)
return NULL;
memcpy(copy, s, size);
return copy;
}
static inline void *
vk_alloc2(const VkAllocationCallbacks *parent_alloc,
const VkAllocationCallbacks *alloc,
size_t size, size_t align,
VkSystemAllocationScope scope)
{
if (alloc)
return vk_alloc(alloc, size, align, scope);
else
return vk_alloc(parent_alloc, size, align, scope);
}
static inline void *
vk_zalloc2(const VkAllocationCallbacks *parent_alloc,
const VkAllocationCallbacks *alloc,
size_t size, size_t align,
VkSystemAllocationScope scope)
{
void *mem = vk_alloc2(parent_alloc, alloc, size, align, scope);
if (mem == NULL)
return NULL;
memset(mem, 0, size);
return mem;
}
static inline void
vk_free2(const VkAllocationCallbacks *parent_alloc,
const VkAllocationCallbacks *alloc,
void *data)
{
if (alloc)
vk_free(alloc, data);
else
vk_free(parent_alloc, data);
}
#endif
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