vulkan/wsi: disable the hardware cursor
[mesa.git] / src / vulkan / 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 <string.h>
29 #include <vulkan/vulkan.h>
30
31 static inline void *
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 *
40 vk_zalloc(const VkAllocationCallbacks *alloc,
41 size_t size, size_t align,
42 VkSystemAllocationScope scope)
43 {
44 void *mem = vk_alloc(alloc, size, align, scope);
45 if (mem == NULL)
46 return NULL;
47
48 memset(mem, 0, size);
49
50 return mem;
51 }
52
53 static inline void *
54 vk_realloc(const VkAllocationCallbacks *alloc,
55 void *ptr, size_t size, size_t align,
56 VkSystemAllocationScope scope)
57 {
58 return alloc->pfnReallocation(alloc->pUserData, ptr, size, align, scope);
59 }
60
61 static inline void
62 vk_free(const VkAllocationCallbacks *alloc, void *data)
63 {
64 if (data == NULL)
65 return;
66
67 alloc->pfnFree(alloc->pUserData, data);
68 }
69
70 static inline char *
71 vk_strdup(const VkAllocationCallbacks *alloc, const char *s,
72 VkSystemAllocationScope scope)
73 {
74 if (s == NULL)
75 return NULL;
76
77 size_t size = strlen(s) + 1;
78 char *copy = vk_alloc(alloc, size, 1, scope);
79 if (copy == NULL)
80 return NULL;
81
82 memcpy(copy, s, size);
83
84 return copy;
85 }
86
87 static inline void *
88 vk_alloc2(const VkAllocationCallbacks *parent_alloc,
89 const VkAllocationCallbacks *alloc,
90 size_t size, size_t align,
91 VkSystemAllocationScope scope)
92 {
93 if (alloc)
94 return vk_alloc(alloc, size, align, scope);
95 else
96 return vk_alloc(parent_alloc, size, align, scope);
97 }
98
99 static inline void *
100 vk_zalloc2(const VkAllocationCallbacks *parent_alloc,
101 const VkAllocationCallbacks *alloc,
102 size_t size, size_t align,
103 VkSystemAllocationScope scope)
104 {
105 void *mem = vk_alloc2(parent_alloc, alloc, size, align, scope);
106 if (mem == NULL)
107 return NULL;
108
109 memset(mem, 0, size);
110
111 return mem;
112 }
113
114 static inline void
115 vk_free2(const VkAllocationCallbacks *parent_alloc,
116 const VkAllocationCallbacks *alloc,
117 void *data)
118 {
119 if (alloc)
120 vk_free(alloc, data);
121 else
122 vk_free(parent_alloc, data);
123 }
124
125 #endif