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 <string.h>
29 #include <vulkan/vulkan.h>
30
31 static inline void *
vk_alloc(const VkAllocationCallbacks * alloc,size_t size,size_t align,VkSystemAllocationScope scope)32 vk_alloc(const VkAllocationCallbacks *alloc,
33 size_t size, size_t align,
34 VkSystemAllocationScope scope)
35 {
36 return alloc->pfnAllocation(alloc->pUserData, size, align, scope);
37 }
38
39 static inline void *
vk_realloc(const VkAllocationCallbacks * alloc,void * ptr,size_t size,size_t align,VkSystemAllocationScope scope)40 vk_realloc(const VkAllocationCallbacks *alloc,
41 void *ptr, size_t size, size_t align,
42 VkSystemAllocationScope scope)
43 {
44 return alloc->pfnReallocation(alloc->pUserData, ptr, size, align, scope);
45 }
46
47 static inline void
vk_free(const VkAllocationCallbacks * alloc,void * data)48 vk_free(const VkAllocationCallbacks *alloc, void *data)
49 {
50 if (data == NULL)
51 return;
52
53 alloc->pfnFree(alloc->pUserData, data);
54 }
55
56 static inline void *
vk_alloc2(const VkAllocationCallbacks * parent_alloc,const VkAllocationCallbacks * alloc,size_t size,size_t align,VkSystemAllocationScope scope)57 vk_alloc2(const VkAllocationCallbacks *parent_alloc,
58 const VkAllocationCallbacks *alloc,
59 size_t size, size_t align,
60 VkSystemAllocationScope scope)
61 {
62 if (alloc)
63 return vk_alloc(alloc, size, align, scope);
64 else
65 return vk_alloc(parent_alloc, size, align, scope);
66 }
67
68 static inline void *
vk_zalloc2(const VkAllocationCallbacks * parent_alloc,const VkAllocationCallbacks * alloc,size_t size,size_t align,VkSystemAllocationScope scope)69 vk_zalloc2(const VkAllocationCallbacks *parent_alloc,
70 const VkAllocationCallbacks *alloc,
71 size_t size, size_t align,
72 VkSystemAllocationScope scope)
73 {
74 void *mem = vk_alloc2(parent_alloc, alloc, size, align, scope);
75 if (mem == NULL)
76 return NULL;
77
78 memset(mem, 0, size);
79
80 return mem;
81 }
82
83 static inline void
vk_free2(const VkAllocationCallbacks * parent_alloc,const VkAllocationCallbacks * alloc,void * data)84 vk_free2(const VkAllocationCallbacks *parent_alloc,
85 const VkAllocationCallbacks *alloc,
86 void *data)
87 {
88 if (alloc)
89 vk_free(alloc, data);
90 else
91 vk_free(parent_alloc, data);
92 }
93
94 #endif
95