1 /*
2 * Copyright © 2016 Intel Corporation
3 * Copyright © 2019 Google LLC
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
14 * Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 * DEALINGS IN THE SOFTWARE.
23 */
24
25 #ifndef U_FORMAT_VK_H
26 #define U_FORMAT_VK_H
27
28 #include <vulkan/vulkan_core.h>
29 #include "util/format/u_format.h"
30
31 #ifdef __cplusplus
32 extern "C" {
33 #endif
34
35 enum pipe_format
36 vk_format_to_pipe_format(enum VkFormat vkformat);
37
38 VkImageAspectFlags
39 vk_format_aspects(VkFormat format);
40
41 static inline bool
vk_format_is_color(VkFormat format)42 vk_format_is_color(VkFormat format)
43 {
44 return vk_format_aspects(format) == VK_IMAGE_ASPECT_COLOR_BIT;
45 }
46
47 static inline bool
vk_format_is_depth_or_stencil(VkFormat format)48 vk_format_is_depth_or_stencil(VkFormat format)
49 {
50 const VkImageAspectFlags aspects = vk_format_aspects(format);
51 return aspects & (VK_IMAGE_ASPECT_DEPTH_BIT | VK_IMAGE_ASPECT_STENCIL_BIT);
52 }
53
54 static inline bool
vk_format_has_depth(VkFormat format)55 vk_format_has_depth(VkFormat format)
56 {
57 const VkImageAspectFlags aspects = vk_format_aspects(format);
58 return aspects & VK_IMAGE_ASPECT_DEPTH_BIT;
59 }
60
61 static inline bool
vk_format_has_stencil(VkFormat format)62 vk_format_has_stencil(VkFormat format)
63 {
64 const VkImageAspectFlags aspects = vk_format_aspects(format);
65 return aspects & VK_IMAGE_ASPECT_STENCIL_BIT;
66 }
67
68 static inline VkFormat
vk_format_depth_only(VkFormat format)69 vk_format_depth_only(VkFormat format)
70 {
71 assert(vk_format_has_depth(format));
72 switch (format) {
73 case VK_FORMAT_D16_UNORM_S8_UINT:
74 return VK_FORMAT_D16_UNORM;
75 case VK_FORMAT_D24_UNORM_S8_UINT:
76 return VK_FORMAT_X8_D24_UNORM_PACK32;
77 case VK_FORMAT_D32_SFLOAT_S8_UINT:
78 return VK_FORMAT_D32_SFLOAT;
79 default:
80 return format;
81 }
82 }
83
84 static inline VkFormat
vk_format_stencil_only(VkFormat format)85 vk_format_stencil_only(VkFormat format)
86 {
87 assert(vk_format_has_stencil(format));
88 return VK_FORMAT_S8_UINT;
89 }
90
91 #ifdef __cplusplus
92 }
93 #endif
94
95 #endif
96