1/*
2 * Copyright © 2016 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
24#ifndef VK_FORMAT_INFO_H
25#define VK_FORMAT_INFO_H
26
27#include <stdbool.h>
28#include <vulkan/vulkan.h>
29
30static inline VkImageAspectFlags
31vk_format_aspects(VkFormat format)
32{
33   switch (format) {
34   case VK_FORMAT_UNDEFINED:
35      return 0;
36
37   case VK_FORMAT_S8_UINT:
38      return VK_IMAGE_ASPECT_STENCIL_BIT;
39
40   case VK_FORMAT_D16_UNORM_S8_UINT:
41   case VK_FORMAT_D24_UNORM_S8_UINT:
42   case VK_FORMAT_D32_SFLOAT_S8_UINT:
43      return VK_IMAGE_ASPECT_DEPTH_BIT | VK_IMAGE_ASPECT_STENCIL_BIT;
44
45   case VK_FORMAT_D16_UNORM:
46   case VK_FORMAT_X8_D24_UNORM_PACK32:
47   case VK_FORMAT_D32_SFLOAT:
48      return VK_IMAGE_ASPECT_DEPTH_BIT;
49
50   default:
51      return VK_IMAGE_ASPECT_COLOR_BIT;
52   }
53}
54
55static inline bool
56vk_format_is_color(VkFormat format)
57{
58   return vk_format_aspects(format) == VK_IMAGE_ASPECT_COLOR_BIT;
59}
60
61static inline bool
62vk_format_is_depth_or_stencil(VkFormat format)
63{
64   const VkImageAspectFlags aspects = vk_format_aspects(format);
65   return aspects & (VK_IMAGE_ASPECT_DEPTH_BIT | VK_IMAGE_ASPECT_STENCIL_BIT);
66}
67
68static inline bool
69vk_format_has_depth(VkFormat format)
70{
71   const VkImageAspectFlags aspects = vk_format_aspects(format);
72   return aspects & VK_IMAGE_ASPECT_DEPTH_BIT;
73}
74
75#endif /* VK_FORMAT_INFO_H */
76