1 /* Copyright (c) 2017-2018 Hans-Kristian Arntzen
2 *
3 * Permission is hereby granted, free of charge, to any person obtaining
4 * a copy of this software and associated documentation files (the
5 * "Software"), to deal in the Software without restriction, including
6 * without limitation the rights to use, copy, modify, merge, publish,
7 * distribute, sublicense, and/or sell copies of the Software, and to
8 * permit persons to whom the Software is furnished to do so, subject to
9 * the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be
12 * included in all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
15 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
16 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
17 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
18 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
19 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
20 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
21 */
22
23 #pragma once
24
25 #include "vulkan.hpp"
26 #include "texture_format.hpp"
27
28 namespace Vulkan
29 {
format_is_srgb(VkFormat format)30 static inline bool format_is_srgb(VkFormat format)
31 {
32 switch (format)
33 {
34 case VK_FORMAT_A8B8G8R8_SRGB_PACK32:
35 case VK_FORMAT_R8G8B8A8_SRGB:
36 case VK_FORMAT_B8G8R8A8_SRGB:
37 case VK_FORMAT_R8_SRGB:
38 case VK_FORMAT_R8G8_SRGB:
39 case VK_FORMAT_R8G8B8_SRGB:
40 case VK_FORMAT_B8G8R8_SRGB:
41 return true;
42
43 default:
44 return false;
45 }
46 }
47
format_has_depth_aspect(VkFormat format)48 static inline bool format_has_depth_aspect(VkFormat format)
49 {
50 switch (format)
51 {
52 case VK_FORMAT_D16_UNORM:
53 case VK_FORMAT_D16_UNORM_S8_UINT:
54 case VK_FORMAT_D24_UNORM_S8_UINT:
55 case VK_FORMAT_D32_SFLOAT:
56 case VK_FORMAT_X8_D24_UNORM_PACK32:
57 case VK_FORMAT_D32_SFLOAT_S8_UINT:
58 return true;
59
60 default:
61 return false;
62 }
63 }
64
format_has_stencil_aspect(VkFormat format)65 static inline bool format_has_stencil_aspect(VkFormat format)
66 {
67 switch (format)
68 {
69 case VK_FORMAT_D16_UNORM_S8_UINT:
70 case VK_FORMAT_D24_UNORM_S8_UINT:
71 case VK_FORMAT_D32_SFLOAT_S8_UINT:
72 case VK_FORMAT_S8_UINT:
73 return true;
74
75 default:
76 return false;
77 }
78 }
79
format_has_depth_or_stencil_aspect(VkFormat format)80 static inline bool format_has_depth_or_stencil_aspect(VkFormat format)
81 {
82 return format_has_depth_aspect(format) || format_has_stencil_aspect(format);
83 }
84
format_to_aspect_mask(VkFormat format)85 static inline VkImageAspectFlags format_to_aspect_mask(VkFormat format)
86 {
87 switch (format)
88 {
89 case VK_FORMAT_UNDEFINED:
90 return 0;
91
92 case VK_FORMAT_S8_UINT:
93 return VK_IMAGE_ASPECT_STENCIL_BIT;
94
95 case VK_FORMAT_D16_UNORM_S8_UINT:
96 case VK_FORMAT_D24_UNORM_S8_UINT:
97 case VK_FORMAT_D32_SFLOAT_S8_UINT:
98 return VK_IMAGE_ASPECT_STENCIL_BIT | VK_IMAGE_ASPECT_DEPTH_BIT;
99
100 case VK_FORMAT_D16_UNORM:
101 case VK_FORMAT_D32_SFLOAT:
102 case VK_FORMAT_X8_D24_UNORM_PACK32:
103 return VK_IMAGE_ASPECT_DEPTH_BIT;
104
105 default:
106 return VK_IMAGE_ASPECT_COLOR_BIT;
107 }
108 }
109
format_align_dim(VkFormat format,uint32_t & width,uint32_t & height)110 static inline void format_align_dim(VkFormat format, uint32_t &width, uint32_t &height)
111 {
112 uint32_t align_width, align_height;
113 TextureFormatLayout::format_block_dim(format, align_width, align_height);
114 width = ((width + align_width - 1) / align_width) * align_width;
115 height = ((height + align_height - 1) / align_height) * align_height;
116 }
117
format_num_blocks(VkFormat format,uint32_t & width,uint32_t & height)118 static inline void format_num_blocks(VkFormat format, uint32_t &width, uint32_t &height)
119 {
120 uint32_t align_width, align_height;
121 TextureFormatLayout::format_block_dim(format, align_width, align_height);
122 width = (width + align_width - 1) / align_width;
123 height = (height + align_height - 1) / align_height;
124 }
125
format_get_layer_size(VkFormat format,unsigned width,unsigned height,unsigned depth)126 static inline VkDeviceSize format_get_layer_size(VkFormat format, unsigned width, unsigned height, unsigned depth)
127 {
128 uint32_t blocks_x = width;
129 uint32_t blocks_y = height;
130 format_num_blocks(format, blocks_x, blocks_y);
131 format_align_dim(format, width, height);
132
133 VkDeviceSize size = TextureFormatLayout::format_block_size(format) * depth * blocks_x * blocks_y;
134 return size;
135 }
136 }
137