src/util/vk_alloc.h

   1 /*
   2  * Copyright © 2015 Intel Corporation
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  21  * IN THE SOFTWARE.
  22  */
  23 #ifndef VK_ALLOC_H
  24 #define VK_ALLOC_H
  25
  26 /* common allocation inlines for vulkan drivers */
  27
  28 #include <vulkan/vulkan.h>
  29
  30 static inline void *
  31 vk_alloc(const VkAllocationCallbacks *alloc,
  32          size_t size, size_t align,
  33          VkSystemAllocationScope scope)
  34 {
  35    return alloc->pfnAllocation(alloc->pUserData, size, align, scope);
  36 }
  37
  38 static inline void *
  39 vk_realloc(const VkAllocationCallbacks *alloc,
  40            void *ptr, size_t size, size_t align,
  41            VkSystemAllocationScope scope)
  42 {
  43    return alloc->pfnReallocation(alloc->pUserData, ptr, size, align, scope);
  44 }
  45
  46 static inline void
  47 vk_free(const VkAllocationCallbacks *alloc, void *data)
  48 {
  49    alloc->pfnFree(alloc->pUserData, data);
  50 }
  51
  52 static inline void *
  53 vk_alloc2(const VkAllocationCallbacks *parent_alloc,
  54           const VkAllocationCallbacks *alloc,
  55           size_t size, size_t align,
  56           VkSystemAllocationScope scope)
  57 {
  58    if (alloc)
  59       return vk_alloc(alloc, size, align, scope);
  60    else
  61       return vk_alloc(parent_alloc, size, align, scope);
  62 }
  63
  64 static inline void
  65 vk_free2(const VkAllocationCallbacks *parent_alloc,
  66          const VkAllocationCallbacks *alloc,
  67          void *data)
  68 {
  69    if (alloc)
  70       vk_free(alloc, data);
  71    else
  72       vk_free(parent_alloc, data);
  73 }
  74
  75 #endif