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 #include "vk_format.h"
26 
27 #include "vk_enum_defines.h"
28 #include "vk_enum_to_str.h"
29 #include "vk_util.h"
30 
31 /* Note that for packed formats, VK_FORMAT_ lists channels from high to low
32  * bits occupied by the channel, while MESA_FORMAT_* and PIPE_FORMAT_* are
33  * low-to-high.
34  *
35  * Also, missing entries are zero-filled, which happens to be
36  * PIPE_FORMAT_NONE.
37  */
38 const enum pipe_format vk_format_map[] = {
39    /* Missing R4G4 */
40    [VK_FORMAT_R4G4B4A4_UNORM_PACK16] = PIPE_FORMAT_A4B4G4R4_UNORM,
41    [VK_FORMAT_B4G4R4A4_UNORM_PACK16] = PIPE_FORMAT_A4R4G4B4_UNORM,
42    [VK_FORMAT_R5G6B5_UNORM_PACK16] = PIPE_FORMAT_B5G6R5_UNORM,
43    [VK_FORMAT_B5G6R5_UNORM_PACK16] = PIPE_FORMAT_R5G6B5_UNORM,
44    [VK_FORMAT_R5G5B5A1_UNORM_PACK16] = PIPE_FORMAT_A1B5G5R5_UNORM,
45    [VK_FORMAT_B5G5R5A1_UNORM_PACK16] = PIPE_FORMAT_A1R5G5B5_UNORM,
46    [VK_FORMAT_A1R5G5B5_UNORM_PACK16] = PIPE_FORMAT_B5G5R5A1_UNORM,
47 
48    [VK_FORMAT_R8_UNORM] = PIPE_FORMAT_R8_UNORM,
49    [VK_FORMAT_R8_SNORM] = PIPE_FORMAT_R8_SNORM,
50    [VK_FORMAT_R8_USCALED] = PIPE_FORMAT_R8_USCALED,
51    [VK_FORMAT_R8_SSCALED] = PIPE_FORMAT_R8_SSCALED,
52    [VK_FORMAT_R8_UINT] = PIPE_FORMAT_R8_UINT,
53    [VK_FORMAT_R8_SINT] = PIPE_FORMAT_R8_SINT,
54    [VK_FORMAT_R8_SRGB] = PIPE_FORMAT_R8_SRGB,
55 
56    [VK_FORMAT_R8G8_UNORM] = PIPE_FORMAT_R8G8_UNORM,
57    [VK_FORMAT_R8G8_SNORM] = PIPE_FORMAT_R8G8_SNORM,
58    [VK_FORMAT_R8G8_USCALED] = PIPE_FORMAT_R8G8_USCALED,
59    [VK_FORMAT_R8G8_SSCALED] = PIPE_FORMAT_R8G8_SSCALED,
60    [VK_FORMAT_R8G8_UINT] = PIPE_FORMAT_R8G8_UINT,
61    [VK_FORMAT_R8G8_SINT] = PIPE_FORMAT_R8G8_SINT,
62    [VK_FORMAT_R8G8_SRGB] = PIPE_FORMAT_R8G8_SRGB,
63 
64    [VK_FORMAT_R8G8B8_UNORM] = PIPE_FORMAT_R8G8B8_UNORM,
65    [VK_FORMAT_R8G8B8_SNORM] = PIPE_FORMAT_R8G8B8_SNORM,
66    [VK_FORMAT_R8G8B8_USCALED] = PIPE_FORMAT_R8G8B8_USCALED,
67    [VK_FORMAT_R8G8B8_SSCALED] = PIPE_FORMAT_R8G8B8_SSCALED,
68    [VK_FORMAT_R8G8B8_UINT] = PIPE_FORMAT_R8G8B8_UINT,
69    [VK_FORMAT_R8G8B8_SINT] = PIPE_FORMAT_R8G8B8_SINT,
70    [VK_FORMAT_R8G8B8_SRGB] = PIPE_FORMAT_R8G8B8_SRGB,
71 
72    [VK_FORMAT_B8G8R8_UNORM] = PIPE_FORMAT_B8G8R8_UNORM,
73    [VK_FORMAT_B8G8R8_SNORM] = PIPE_FORMAT_B8G8R8_SNORM,
74    [VK_FORMAT_B8G8R8_USCALED] = PIPE_FORMAT_B8G8R8_USCALED,
75    [VK_FORMAT_B8G8R8_SSCALED] = PIPE_FORMAT_B8G8R8_SSCALED,
76    [VK_FORMAT_B8G8R8_UINT] = PIPE_FORMAT_B8G8R8_UINT,
77    [VK_FORMAT_B8G8R8_SINT] = PIPE_FORMAT_B8G8R8_SINT,
78    [VK_FORMAT_B8G8R8_SRGB] = PIPE_FORMAT_B8G8R8_SRGB,
79 
80    [VK_FORMAT_R8G8B8A8_UNORM] = PIPE_FORMAT_R8G8B8A8_UNORM,
81    [VK_FORMAT_R8G8B8A8_SNORM] = PIPE_FORMAT_R8G8B8A8_SNORM,
82    [VK_FORMAT_R8G8B8A8_USCALED] = PIPE_FORMAT_R8G8B8A8_USCALED,
83    [VK_FORMAT_R8G8B8A8_SSCALED] = PIPE_FORMAT_R8G8B8A8_SSCALED,
84    [VK_FORMAT_R8G8B8A8_UINT] = PIPE_FORMAT_R8G8B8A8_UINT,
85    [VK_FORMAT_R8G8B8A8_SINT] = PIPE_FORMAT_R8G8B8A8_SINT,
86    [VK_FORMAT_R8G8B8A8_SRGB] = PIPE_FORMAT_R8G8B8A8_SRGB,
87 
88    [VK_FORMAT_B8G8R8A8_UNORM] = PIPE_FORMAT_B8G8R8A8_UNORM,
89    [VK_FORMAT_B8G8R8A8_SNORM] = PIPE_FORMAT_B8G8R8A8_SNORM,
90    [VK_FORMAT_B8G8R8A8_USCALED] = PIPE_FORMAT_B8G8R8A8_USCALED,
91    [VK_FORMAT_B8G8R8A8_SSCALED] = PIPE_FORMAT_B8G8R8A8_SSCALED,
92    [VK_FORMAT_B8G8R8A8_UINT] = PIPE_FORMAT_B8G8R8A8_UINT,
93    [VK_FORMAT_B8G8R8A8_SINT] = PIPE_FORMAT_B8G8R8A8_SINT,
94    [VK_FORMAT_B8G8R8A8_SRGB] = PIPE_FORMAT_B8G8R8A8_SRGB,
95 
96    [VK_FORMAT_A8B8G8R8_UNORM_PACK32] = PIPE_FORMAT_RGBA8888_UNORM,
97    [VK_FORMAT_A8B8G8R8_SNORM_PACK32] = PIPE_FORMAT_RGBA8888_SNORM,
98    [VK_FORMAT_A8B8G8R8_USCALED_PACK32] = PIPE_FORMAT_RGBA8888_USCALED,
99    [VK_FORMAT_A8B8G8R8_SSCALED_PACK32] = PIPE_FORMAT_RGBA8888_SSCALED,
100    [VK_FORMAT_A8B8G8R8_UINT_PACK32] = PIPE_FORMAT_RGBA8888_UINT,
101    [VK_FORMAT_A8B8G8R8_SINT_PACK32] = PIPE_FORMAT_RGBA8888_SINT,
102    [VK_FORMAT_A8B8G8R8_SRGB_PACK32] = PIPE_FORMAT_RGBA8888_SRGB,
103 
104    [VK_FORMAT_A2R10G10B10_UNORM_PACK32] = PIPE_FORMAT_B10G10R10A2_UNORM,
105    [VK_FORMAT_A2R10G10B10_SNORM_PACK32] = PIPE_FORMAT_B10G10R10A2_SNORM,
106    [VK_FORMAT_A2R10G10B10_USCALED_PACK32] = PIPE_FORMAT_B10G10R10A2_USCALED,
107    [VK_FORMAT_A2R10G10B10_SSCALED_PACK32] = PIPE_FORMAT_B10G10R10A2_SSCALED,
108    [VK_FORMAT_A2R10G10B10_UINT_PACK32] = PIPE_FORMAT_B10G10R10A2_UINT,
109    [VK_FORMAT_A2R10G10B10_SINT_PACK32] = PIPE_FORMAT_B10G10R10A2_SINT,
110 
111    [VK_FORMAT_A2B10G10R10_UNORM_PACK32] = PIPE_FORMAT_R10G10B10A2_UNORM,
112    [VK_FORMAT_A2B10G10R10_SNORM_PACK32] = PIPE_FORMAT_R10G10B10A2_SNORM,
113    [VK_FORMAT_A2B10G10R10_USCALED_PACK32] = PIPE_FORMAT_R10G10B10A2_USCALED,
114    [VK_FORMAT_A2B10G10R10_SSCALED_PACK32] = PIPE_FORMAT_R10G10B10A2_SSCALED,
115    [VK_FORMAT_A2B10G10R10_UINT_PACK32] = PIPE_FORMAT_R10G10B10A2_UINT,
116    [VK_FORMAT_A2B10G10R10_SINT_PACK32] = PIPE_FORMAT_R10G10B10A2_SINT,
117 
118    [VK_FORMAT_R16_UNORM] = PIPE_FORMAT_R16_UNORM,
119    [VK_FORMAT_R16_SNORM] = PIPE_FORMAT_R16_SNORM,
120    [VK_FORMAT_R16_USCALED] = PIPE_FORMAT_R16_USCALED,
121    [VK_FORMAT_R16_SSCALED] = PIPE_FORMAT_R16_SSCALED,
122    [VK_FORMAT_R16_UINT] = PIPE_FORMAT_R16_UINT,
123    [VK_FORMAT_R16_SINT] = PIPE_FORMAT_R16_SINT,
124    [VK_FORMAT_R16_SFLOAT] = PIPE_FORMAT_R16_FLOAT,
125 
126    [VK_FORMAT_R16G16_UNORM] = PIPE_FORMAT_R16G16_UNORM,
127    [VK_FORMAT_R16G16_SNORM] = PIPE_FORMAT_R16G16_SNORM,
128    [VK_FORMAT_R16G16_USCALED] = PIPE_FORMAT_R16G16_USCALED,
129    [VK_FORMAT_R16G16_SSCALED] = PIPE_FORMAT_R16G16_SSCALED,
130    [VK_FORMAT_R16G16_UINT] = PIPE_FORMAT_R16G16_UINT,
131    [VK_FORMAT_R16G16_SINT] = PIPE_FORMAT_R16G16_SINT,
132    [VK_FORMAT_R16G16_SFLOAT] = PIPE_FORMAT_R16G16_FLOAT,
133 
134    [VK_FORMAT_R16G16B16_UNORM] = PIPE_FORMAT_R16G16B16_UNORM,
135    [VK_FORMAT_R16G16B16_SNORM] = PIPE_FORMAT_R16G16B16_SNORM,
136    [VK_FORMAT_R16G16B16_USCALED] = PIPE_FORMAT_R16G16B16_USCALED,
137    [VK_FORMAT_R16G16B16_SSCALED] = PIPE_FORMAT_R16G16B16_SSCALED,
138    [VK_FORMAT_R16G16B16_UINT] = PIPE_FORMAT_R16G16B16_UINT,
139    [VK_FORMAT_R16G16B16_SINT] = PIPE_FORMAT_R16G16B16_SINT,
140    [VK_FORMAT_R16G16B16_SFLOAT] = PIPE_FORMAT_R16G16B16_FLOAT,
141 
142    [VK_FORMAT_R16G16B16A16_UNORM] = PIPE_FORMAT_R16G16B16A16_UNORM,
143    [VK_FORMAT_R16G16B16A16_SNORM] = PIPE_FORMAT_R16G16B16A16_SNORM,
144    [VK_FORMAT_R16G16B16A16_USCALED] = PIPE_FORMAT_R16G16B16A16_USCALED,
145    [VK_FORMAT_R16G16B16A16_SSCALED] = PIPE_FORMAT_R16G16B16A16_SSCALED,
146    [VK_FORMAT_R16G16B16A16_UINT] = PIPE_FORMAT_R16G16B16A16_UINT,
147    [VK_FORMAT_R16G16B16A16_SINT] = PIPE_FORMAT_R16G16B16A16_SINT,
148    [VK_FORMAT_R16G16B16A16_SFLOAT] = PIPE_FORMAT_R16G16B16A16_FLOAT,
149 
150    [VK_FORMAT_R32_UINT] = PIPE_FORMAT_R32_UINT,
151    [VK_FORMAT_R32_SINT] = PIPE_FORMAT_R32_SINT,
152    [VK_FORMAT_R32_SFLOAT] = PIPE_FORMAT_R32_FLOAT,
153 
154    [VK_FORMAT_R32G32_UINT] = PIPE_FORMAT_R32G32_UINT,
155    [VK_FORMAT_R32G32_SINT] = PIPE_FORMAT_R32G32_SINT,
156    [VK_FORMAT_R32G32_SFLOAT] = PIPE_FORMAT_R32G32_FLOAT,
157 
158    [VK_FORMAT_R32G32B32_UINT] = PIPE_FORMAT_R32G32B32_UINT,
159    [VK_FORMAT_R32G32B32_SINT] = PIPE_FORMAT_R32G32B32_SINT,
160    [VK_FORMAT_R32G32B32_SFLOAT] = PIPE_FORMAT_R32G32B32_FLOAT,
161 
162    [VK_FORMAT_R32G32B32A32_UINT] = PIPE_FORMAT_R32G32B32A32_UINT,
163    [VK_FORMAT_R32G32B32A32_SINT] = PIPE_FORMAT_R32G32B32A32_SINT,
164    [VK_FORMAT_R32G32B32A32_SFLOAT] = PIPE_FORMAT_R32G32B32A32_FLOAT,
165 
166    [VK_FORMAT_R64_UINT] = PIPE_FORMAT_R64_UINT,
167    [VK_FORMAT_R64_SINT] = PIPE_FORMAT_R64_SINT,
168    [VK_FORMAT_R64_SFLOAT] = PIPE_FORMAT_R64_FLOAT,
169 
170    [VK_FORMAT_R64G64_UINT] = PIPE_FORMAT_R64G64_UINT,
171    [VK_FORMAT_R64G64_SINT] = PIPE_FORMAT_R64G64_SINT,
172    [VK_FORMAT_R64G64_SFLOAT] = PIPE_FORMAT_R64G64_FLOAT,
173 
174    [VK_FORMAT_R64G64B64_UINT] = PIPE_FORMAT_R64G64B64_UINT,
175    [VK_FORMAT_R64G64B64_SINT] = PIPE_FORMAT_R64G64B64_SINT,
176    [VK_FORMAT_R64G64B64_SFLOAT] = PIPE_FORMAT_R64G64B64_FLOAT,
177 
178    [VK_FORMAT_R64G64B64A64_UINT] = PIPE_FORMAT_R64G64B64A64_UINT,
179    [VK_FORMAT_R64G64B64A64_SINT] = PIPE_FORMAT_R64G64B64A64_SINT,
180    [VK_FORMAT_R64G64B64A64_SFLOAT] = PIPE_FORMAT_R64G64B64A64_FLOAT,
181 
182    [VK_FORMAT_B10G11R11_UFLOAT_PACK32] = PIPE_FORMAT_R11G11B10_FLOAT,
183    [VK_FORMAT_E5B9G9R9_UFLOAT_PACK32] = PIPE_FORMAT_R9G9B9E5_FLOAT,
184 
185    [VK_FORMAT_D16_UNORM] = PIPE_FORMAT_Z16_UNORM,
186    [VK_FORMAT_X8_D24_UNORM_PACK32] = PIPE_FORMAT_Z24X8_UNORM,
187    [VK_FORMAT_D32_SFLOAT] = PIPE_FORMAT_Z32_FLOAT,
188    [VK_FORMAT_S8_UINT] = PIPE_FORMAT_S8_UINT,
189    [VK_FORMAT_D16_UNORM_S8_UINT] = PIPE_FORMAT_Z16_UNORM_S8_UINT,
190    [VK_FORMAT_D24_UNORM_S8_UINT] = PIPE_FORMAT_Z24_UNORM_S8_UINT,
191    [VK_FORMAT_D32_SFLOAT_S8_UINT] = PIPE_FORMAT_Z32_FLOAT_S8X24_UINT,
192 
193    [VK_FORMAT_BC1_RGB_UNORM_BLOCK] = PIPE_FORMAT_DXT1_RGB,
194    [VK_FORMAT_BC1_RGB_SRGB_BLOCK] = PIPE_FORMAT_DXT1_SRGB,
195    [VK_FORMAT_BC1_RGBA_UNORM_BLOCK] = PIPE_FORMAT_DXT1_RGBA,
196    [VK_FORMAT_BC1_RGBA_SRGB_BLOCK] = PIPE_FORMAT_DXT1_SRGBA,
197    [VK_FORMAT_BC2_UNORM_BLOCK] = PIPE_FORMAT_DXT3_RGBA,
198    [VK_FORMAT_BC2_SRGB_BLOCK] = PIPE_FORMAT_DXT3_SRGBA,
199    [VK_FORMAT_BC3_UNORM_BLOCK] = PIPE_FORMAT_DXT5_RGBA,
200    [VK_FORMAT_BC3_SRGB_BLOCK] = PIPE_FORMAT_DXT5_SRGBA,
201    [VK_FORMAT_BC4_UNORM_BLOCK] = PIPE_FORMAT_RGTC1_UNORM,
202    [VK_FORMAT_BC4_SNORM_BLOCK] = PIPE_FORMAT_RGTC1_SNORM,
203    [VK_FORMAT_BC5_UNORM_BLOCK] = PIPE_FORMAT_RGTC2_UNORM,
204    [VK_FORMAT_BC5_SNORM_BLOCK] = PIPE_FORMAT_RGTC2_SNORM,
205    [VK_FORMAT_BC6H_UFLOAT_BLOCK] = PIPE_FORMAT_BPTC_RGB_UFLOAT,
206    [VK_FORMAT_BC6H_SFLOAT_BLOCK] = PIPE_FORMAT_BPTC_RGB_FLOAT,
207    [VK_FORMAT_BC7_UNORM_BLOCK] = PIPE_FORMAT_BPTC_RGBA_UNORM,
208    [VK_FORMAT_BC7_SRGB_BLOCK] = PIPE_FORMAT_BPTC_SRGBA,
209 
210    [VK_FORMAT_ETC2_R8G8B8_UNORM_BLOCK] = PIPE_FORMAT_ETC2_RGB8,
211    [VK_FORMAT_ETC2_R8G8B8_SRGB_BLOCK] = PIPE_FORMAT_ETC2_SRGB8,
212    [VK_FORMAT_ETC2_R8G8B8A1_UNORM_BLOCK] = PIPE_FORMAT_ETC2_RGB8A1,
213    [VK_FORMAT_ETC2_R8G8B8A1_SRGB_BLOCK] = PIPE_FORMAT_ETC2_SRGB8A1,
214    [VK_FORMAT_ETC2_R8G8B8A8_UNORM_BLOCK] = PIPE_FORMAT_ETC2_RGBA8,
215    [VK_FORMAT_ETC2_R8G8B8A8_SRGB_BLOCK] = PIPE_FORMAT_ETC2_SRGBA8,
216    [VK_FORMAT_EAC_R11_UNORM_BLOCK] = PIPE_FORMAT_ETC2_R11_UNORM,
217    [VK_FORMAT_EAC_R11_SNORM_BLOCK] = PIPE_FORMAT_ETC2_R11_SNORM,
218    [VK_FORMAT_EAC_R11G11_UNORM_BLOCK] = PIPE_FORMAT_ETC2_RG11_UNORM,
219    [VK_FORMAT_EAC_R11G11_SNORM_BLOCK] = PIPE_FORMAT_ETC2_RG11_SNORM,
220 
221    [VK_FORMAT_ASTC_4x4_UNORM_BLOCK] = PIPE_FORMAT_ASTC_4x4,
222    [VK_FORMAT_ASTC_4x4_SRGB_BLOCK] = PIPE_FORMAT_ASTC_4x4_SRGB,
223    [VK_FORMAT_ASTC_5x4_UNORM_BLOCK] = PIPE_FORMAT_ASTC_5x4,
224    [VK_FORMAT_ASTC_5x4_SRGB_BLOCK] = PIPE_FORMAT_ASTC_5x4_SRGB,
225    [VK_FORMAT_ASTC_5x5_UNORM_BLOCK] = PIPE_FORMAT_ASTC_5x5,
226    [VK_FORMAT_ASTC_5x5_SRGB_BLOCK] = PIPE_FORMAT_ASTC_5x5_SRGB,
227    [VK_FORMAT_ASTC_6x5_UNORM_BLOCK] = PIPE_FORMAT_ASTC_6x5,
228    [VK_FORMAT_ASTC_6x5_SRGB_BLOCK] = PIPE_FORMAT_ASTC_6x5_SRGB,
229    [VK_FORMAT_ASTC_6x6_UNORM_BLOCK] = PIPE_FORMAT_ASTC_6x6,
230    [VK_FORMAT_ASTC_6x6_SRGB_BLOCK] = PIPE_FORMAT_ASTC_6x6_SRGB,
231    [VK_FORMAT_ASTC_8x5_UNORM_BLOCK] = PIPE_FORMAT_ASTC_8x5,
232    [VK_FORMAT_ASTC_8x5_SRGB_BLOCK] = PIPE_FORMAT_ASTC_8x5_SRGB,
233    [VK_FORMAT_ASTC_8x6_UNORM_BLOCK] = PIPE_FORMAT_ASTC_8x6,
234    [VK_FORMAT_ASTC_8x6_SRGB_BLOCK] = PIPE_FORMAT_ASTC_8x6_SRGB,
235    [VK_FORMAT_ASTC_8x8_UNORM_BLOCK] = PIPE_FORMAT_ASTC_8x8,
236    [VK_FORMAT_ASTC_8x8_SRGB_BLOCK] = PIPE_FORMAT_ASTC_8x8_SRGB,
237    [VK_FORMAT_ASTC_10x5_UNORM_BLOCK] = PIPE_FORMAT_ASTC_10x5,
238    [VK_FORMAT_ASTC_10x5_SRGB_BLOCK] = PIPE_FORMAT_ASTC_10x5_SRGB,
239    [VK_FORMAT_ASTC_10x6_UNORM_BLOCK] = PIPE_FORMAT_ASTC_10x6,
240    [VK_FORMAT_ASTC_10x6_SRGB_BLOCK] = PIPE_FORMAT_ASTC_10x6_SRGB,
241    [VK_FORMAT_ASTC_10x8_UNORM_BLOCK] = PIPE_FORMAT_ASTC_10x8,
242    [VK_FORMAT_ASTC_10x8_SRGB_BLOCK] = PIPE_FORMAT_ASTC_10x8_SRGB,
243    [VK_FORMAT_ASTC_10x10_UNORM_BLOCK] = PIPE_FORMAT_ASTC_10x10,
244    [VK_FORMAT_ASTC_10x10_SRGB_BLOCK] = PIPE_FORMAT_ASTC_10x10_SRGB,
245    [VK_FORMAT_ASTC_12x10_UNORM_BLOCK] = PIPE_FORMAT_ASTC_12x10,
246    [VK_FORMAT_ASTC_12x10_SRGB_BLOCK] = PIPE_FORMAT_ASTC_12x10_SRGB,
247    [VK_FORMAT_ASTC_12x12_UNORM_BLOCK] = PIPE_FORMAT_ASTC_12x12,
248    [VK_FORMAT_ASTC_12x12_SRGB_BLOCK] = PIPE_FORMAT_ASTC_12x12_SRGB,
249 
250    /* Missing planes */
251 
252    /* Missing PVRTC */
253 
254    /* Missing ASTC SFLOAT */
255 
256    /* Missing more planes */
257 };
258 
259 enum pipe_format
vk_format_to_pipe_format(enum VkFormat vkformat)260 vk_format_to_pipe_format(enum VkFormat vkformat)
261 {
262    if (vkformat >= ARRAY_SIZE(vk_format_map)) {
263       switch (vkformat) {
264       case VK_FORMAT_R10X6_UNORM_PACK16:
265          return PIPE_FORMAT_R16_UNORM;
266       case VK_FORMAT_R10X6G10X6_UNORM_2PACK16:
267          return PIPE_FORMAT_R16G16_UNORM;
268       case VK_FORMAT_G8B8G8R8_422_UNORM:
269          return PIPE_FORMAT_G8B8_G8R8_UNORM;
270       case VK_FORMAT_B8G8R8G8_422_UNORM:
271          return PIPE_FORMAT_B8G8_R8G8_UNORM;
272       case VK_FORMAT_G8_B8_R8_3PLANE_420_UNORM:
273          return PIPE_FORMAT_IYUV;
274       case VK_FORMAT_G8_B8R8_2PLANE_420_UNORM:
275          return PIPE_FORMAT_NV12;
276       case VK_FORMAT_G8_B8_R8_3PLANE_422_UNORM:
277          return PIPE_FORMAT_Y8_U8_V8_422_UNORM;
278       case VK_FORMAT_G8_B8R8_2PLANE_422_UNORM:
279          return PIPE_FORMAT_Y8_U8V8_422_UNORM;
280       case VK_FORMAT_G8_B8_R8_3PLANE_444_UNORM:
281          return PIPE_FORMAT_Y8_U8_V8_444_UNORM;
282       case VK_FORMAT_G16_B16_R16_3PLANE_420_UNORM:
283          return PIPE_FORMAT_Y16_U16_V16_420_UNORM;
284       case VK_FORMAT_G16_B16R16_2PLANE_420_UNORM:
285          return PIPE_FORMAT_P016;
286       case VK_FORMAT_G16_B16_R16_3PLANE_422_UNORM:
287          return PIPE_FORMAT_Y16_U16_V16_422_UNORM;
288       case VK_FORMAT_G16_B16R16_2PLANE_422_UNORM:
289          return PIPE_FORMAT_Y16_U16V16_422_UNORM;
290       case VK_FORMAT_G16_B16_R16_3PLANE_444_UNORM:
291          return PIPE_FORMAT_Y16_U16_V16_444_UNORM;
292       case VK_FORMAT_G10X6_B10X6R10X6_2PLANE_420_UNORM_3PACK16:
293          return PIPE_FORMAT_P010;
294       case VK_FORMAT_A4R4G4B4_UNORM_PACK16:
295          return PIPE_FORMAT_B4G4R4A4_UNORM;
296       case VK_FORMAT_A4B4G4R4_UNORM_PACK16:
297          return PIPE_FORMAT_R4G4B4A4_UNORM;
298       case VK_FORMAT_A8_UNORM_KHR:
299          return PIPE_FORMAT_A8_UNORM;
300       case VK_FORMAT_A1B5G5R5_UNORM_PACK16_KHR:
301          return PIPE_FORMAT_R5G5B5A1_UNORM;
302       default:
303          return PIPE_FORMAT_NONE;
304       }
305    }
306 
307    /* Unpopulated entries in the table must be PIPE_FORMAT_NONE */
308    STATIC_ASSERT(PIPE_FORMAT_NONE == 0);
309 
310    return vk_format_map[vkformat];
311 }
312 
313 VkImageAspectFlags
vk_format_aspects(VkFormat format)314 vk_format_aspects(VkFormat format)
315 {
316    switch (format) {
317    case VK_FORMAT_UNDEFINED:
318       return 0;
319 
320    case VK_FORMAT_S8_UINT:
321       return VK_IMAGE_ASPECT_STENCIL_BIT;
322 
323    case VK_FORMAT_D16_UNORM_S8_UINT:
324    case VK_FORMAT_D24_UNORM_S8_UINT:
325    case VK_FORMAT_D32_SFLOAT_S8_UINT:
326       return VK_IMAGE_ASPECT_DEPTH_BIT | VK_IMAGE_ASPECT_STENCIL_BIT;
327 
328    case VK_FORMAT_D16_UNORM:
329    case VK_FORMAT_X8_D24_UNORM_PACK32:
330    case VK_FORMAT_D32_SFLOAT:
331       return VK_IMAGE_ASPECT_DEPTH_BIT;
332 
333    case VK_FORMAT_G8_B8_R8_3PLANE_420_UNORM:
334    case VK_FORMAT_G8_B8_R8_3PLANE_422_UNORM:
335    case VK_FORMAT_G8_B8_R8_3PLANE_444_UNORM:
336    case VK_FORMAT_G10X6_B10X6_R10X6_3PLANE_420_UNORM_3PACK16:
337    case VK_FORMAT_G10X6_B10X6_R10X6_3PLANE_422_UNORM_3PACK16:
338    case VK_FORMAT_G10X6_B10X6_R10X6_3PLANE_444_UNORM_3PACK16:
339    case VK_FORMAT_G12X4_B12X4_R12X4_3PLANE_420_UNORM_3PACK16:
340    case VK_FORMAT_G12X4_B12X4_R12X4_3PLANE_422_UNORM_3PACK16:
341    case VK_FORMAT_G12X4_B12X4_R12X4_3PLANE_444_UNORM_3PACK16:
342    case VK_FORMAT_G16_B16_R16_3PLANE_420_UNORM:
343    case VK_FORMAT_G16_B16_R16_3PLANE_422_UNORM:
344    case VK_FORMAT_G16_B16_R16_3PLANE_444_UNORM:
345       return (VK_IMAGE_ASPECT_PLANE_0_BIT |
346               VK_IMAGE_ASPECT_PLANE_1_BIT |
347               VK_IMAGE_ASPECT_PLANE_2_BIT);
348 
349    case VK_FORMAT_G8_B8R8_2PLANE_420_UNORM:
350    case VK_FORMAT_G8_B8R8_2PLANE_422_UNORM:
351    case VK_FORMAT_G10X6_B10X6R10X6_2PLANE_420_UNORM_3PACK16:
352    case VK_FORMAT_G10X6_B10X6R10X6_2PLANE_422_UNORM_3PACK16:
353    case VK_FORMAT_G12X4_B12X4R12X4_2PLANE_420_UNORM_3PACK16:
354    case VK_FORMAT_G12X4_B12X4R12X4_2PLANE_422_UNORM_3PACK16:
355    case VK_FORMAT_G16_B16R16_2PLANE_420_UNORM:
356    case VK_FORMAT_G16_B16R16_2PLANE_422_UNORM:
357    case VK_FORMAT_G8_B8R8_2PLANE_444_UNORM_EXT:
358    case VK_FORMAT_G10X6_B10X6R10X6_2PLANE_444_UNORM_3PACK16_EXT:
359    case VK_FORMAT_G12X4_B12X4R12X4_2PLANE_444_UNORM_3PACK16_EXT:
360    case VK_FORMAT_G16_B16R16_2PLANE_444_UNORM_EXT:
361       return (VK_IMAGE_ASPECT_PLANE_0_BIT |
362               VK_IMAGE_ASPECT_PLANE_1_BIT);
363 
364    default:
365       return VK_IMAGE_ASPECT_COLOR_BIT;
366    }
367 }
368 
369 VkFormat
vk_format_get_plane_format(VkFormat format,unsigned plane_id)370 vk_format_get_plane_format(VkFormat format, unsigned plane_id)
371 {
372    assert(plane_id < vk_format_get_plane_count(format));
373    const struct vk_format_ycbcr_info *ycbcr_info =
374       vk_format_get_ycbcr_info(format);
375    if (ycbcr_info && ycbcr_info->n_planes > 1) {
376       const struct vk_format_ycbcr_plane *plane_info = &ycbcr_info->planes[plane_id];
377       return plane_info->format;
378    } else {
379       assert(vk_format_get_plane_count(format) == 1);
380       return format;
381    }
382 }
383 
384 VkFormat
vk_format_get_aspect_format(VkFormat format,const VkImageAspectFlags aspect)385 vk_format_get_aspect_format(VkFormat format, const VkImageAspectFlags aspect)
386 {
387    assert(util_bitcount(aspect) == 1);
388    assert(aspect & vk_format_aspects(format));
389 
390    switch (aspect) {
391    case VK_IMAGE_ASPECT_COLOR_BIT:
392       return format;
393    case VK_IMAGE_ASPECT_DEPTH_BIT:
394       return vk_format_depth_only(format);
395    case VK_IMAGE_ASPECT_STENCIL_BIT:
396       return vk_format_stencil_only(format);
397    case VK_IMAGE_ASPECT_PLANE_0_BIT:
398       return vk_format_get_plane_format(format, 0);
399    case VK_IMAGE_ASPECT_PLANE_1_BIT:
400       return vk_format_get_plane_format(format, 1);
401    case VK_IMAGE_ASPECT_PLANE_2_BIT:
402       return vk_format_get_plane_format(format, 2);
403    default:
404       unreachable("Cannot translate format aspect");
405    }
406 }
407 
408 void
vk_component_mapping_to_pipe_swizzle(VkComponentMapping mapping,unsigned char out_swizzle[4])409 vk_component_mapping_to_pipe_swizzle(VkComponentMapping mapping,
410                                      unsigned char out_swizzle[4])
411 {
412    VkComponentSwizzle swizzle[4] = { mapping.r, mapping.g, mapping.b, mapping.a };
413    for (unsigned i = 0; i < 4; i++) {
414       switch (swizzle[i]) {
415       case VK_COMPONENT_SWIZZLE_R:
416          out_swizzle[i] = PIPE_SWIZZLE_X;
417          break;
418       case VK_COMPONENT_SWIZZLE_G:
419          out_swizzle[i] = PIPE_SWIZZLE_Y;
420          break;
421       case VK_COMPONENT_SWIZZLE_B:
422          out_swizzle[i] = PIPE_SWIZZLE_Z;
423          break;
424       case VK_COMPONENT_SWIZZLE_A:
425          out_swizzle[i] = PIPE_SWIZZLE_W;
426          break;
427       case VK_COMPONENT_SWIZZLE_IDENTITY:
428          out_swizzle[i] = PIPE_SWIZZLE_X + i;
429          break;
430       case VK_COMPONENT_SWIZZLE_ZERO:
431          out_swizzle[i] = PIPE_SWIZZLE_0;
432          break;
433       case VK_COMPONENT_SWIZZLE_ONE:
434          out_swizzle[i] = PIPE_SWIZZLE_1;
435          break;
436       default:
437          unreachable("unknown swizzle");
438       }
439    }
440 }
441 
442 #define fmt_unsupported(__vk_fmt) \
443    [VK_ENUM_OFFSET(__vk_fmt)] = { \
444       .n_planes = 0, \
445    }
446 
447 #define y_plane(__plane_fmt, __ycbcr_swizzle, dhs, dvs) \
448    { .format = __plane_fmt, \
449      .has_chroma = false, \
450      .denominator_scales = { dhs, dvs, }, \
451      .ycbcr_swizzle = __ycbcr_swizzle, \
452    }
453 
454 #define c_plane(__plane_fmt, __ycbcr_swizzle, dhs, dvs) \
455    { .format = __plane_fmt, \
456      .has_chroma = true, \
457      .denominator_scales = { dhs, dvs, }, \
458      .ycbcr_swizzle = __ycbcr_swizzle, \
459    }
460 
461 #define ycbcr_fmt(__vk_fmt, __n_planes, ...) \
462    [VK_ENUM_OFFSET(__vk_fmt)] = { \
463       .n_planes = __n_planes, \
464       .planes = { \
465          __VA_ARGS__, \
466       }, \
467    }
468 
469 #define YCBCR_SWIZ(x, y, z, w) { \
470       VK_COMPONENT_SWIZZLE_##x, \
471       VK_COMPONENT_SWIZZLE_##y, \
472       VK_COMPONENT_SWIZZLE_##z, \
473       VK_COMPONENT_SWIZZLE_##w, \
474    }
475 
476 static const struct vk_format_ycbcr_info ycbcr_infos[] = {
477    ycbcr_fmt(VK_FORMAT_G8B8G8R8_422_UNORM, 1,
478              y_plane(VK_FORMAT_G8B8G8R8_422_UNORM, YCBCR_SWIZ(R, G, B, ZERO), 1, 1)),
479    ycbcr_fmt(VK_FORMAT_B8G8R8G8_422_UNORM, 1,
480              y_plane(VK_FORMAT_B8G8R8G8_422_UNORM, YCBCR_SWIZ(R, G, B, ZERO), 1, 1)),
481    ycbcr_fmt(VK_FORMAT_G8_B8_R8_3PLANE_420_UNORM, 3,
482              y_plane(VK_FORMAT_R8_UNORM, YCBCR_SWIZ(G, ZERO, ZERO, ZERO), 1, 1),
483              c_plane(VK_FORMAT_R8_UNORM, YCBCR_SWIZ(B, ZERO, ZERO, ZERO), 2, 2),
484              c_plane(VK_FORMAT_R8_UNORM, YCBCR_SWIZ(R, ZERO, ZERO, ZERO), 2, 2)),
485    ycbcr_fmt(VK_FORMAT_G8_B8R8_2PLANE_420_UNORM, 2,
486              y_plane(VK_FORMAT_R8_UNORM, YCBCR_SWIZ(G, ZERO, ZERO, ZERO), 1, 1),
487              c_plane(VK_FORMAT_R8G8_UNORM, YCBCR_SWIZ(B, R, ZERO, ZERO), 2, 2)),
488    ycbcr_fmt(VK_FORMAT_G8_B8_R8_3PLANE_422_UNORM, 3,
489              y_plane(VK_FORMAT_R8_UNORM, YCBCR_SWIZ(G, ZERO, ZERO, ZERO), 1, 1),
490              c_plane(VK_FORMAT_R8_UNORM, YCBCR_SWIZ(B, ZERO, ZERO, ZERO), 2, 1),
491              c_plane(VK_FORMAT_R8_UNORM, YCBCR_SWIZ(R, ZERO, ZERO, ZERO), 2, 1)),
492    ycbcr_fmt(VK_FORMAT_G8_B8R8_2PLANE_422_UNORM, 2,
493              y_plane(VK_FORMAT_R8_UNORM, YCBCR_SWIZ(G, ZERO, ZERO, ZERO), 1, 1),
494              c_plane(VK_FORMAT_R8G8_UNORM, YCBCR_SWIZ(B, R, ZERO, ZERO), 2, 1)),
495    ycbcr_fmt(VK_FORMAT_G8_B8_R8_3PLANE_444_UNORM, 3,
496              y_plane(VK_FORMAT_R8_UNORM, YCBCR_SWIZ(G, ZERO, ZERO, ZERO), 1, 1),
497              c_plane(VK_FORMAT_R8_UNORM, YCBCR_SWIZ(B, ZERO, ZERO, ZERO), 1, 1),
498              c_plane(VK_FORMAT_R8_UNORM, YCBCR_SWIZ(R, ZERO, ZERO, ZERO), 1, 1)),
499 
500    fmt_unsupported(VK_FORMAT_R10X6_UNORM_PACK16),
501    fmt_unsupported(VK_FORMAT_R10X6G10X6_UNORM_2PACK16),
502    fmt_unsupported(VK_FORMAT_R10X6G10X6B10X6A10X6_UNORM_4PACK16),
503 
504    ycbcr_fmt(VK_FORMAT_G10X6B10X6G10X6R10X6_422_UNORM_4PACK16, 1,
505              y_plane(VK_FORMAT_G10X6B10X6G10X6R10X6_422_UNORM_4PACK16, YCBCR_SWIZ(B, G, R, ZERO), 1, 1)),
506    ycbcr_fmt(VK_FORMAT_B10X6G10X6R10X6G10X6_422_UNORM_4PACK16, 1,
507              y_plane(VK_FORMAT_B10X6G10X6R10X6G10X6_422_UNORM_4PACK16, YCBCR_SWIZ(B, G, R, ZERO), 1, 1)),
508 
509    ycbcr_fmt(VK_FORMAT_G10X6_B10X6_R10X6_3PLANE_420_UNORM_3PACK16, 3,
510              y_plane(VK_FORMAT_R10X6_UNORM_PACK16, YCBCR_SWIZ(G, ZERO, ZERO, ZERO), 1, 1),
511              c_plane(VK_FORMAT_R10X6_UNORM_PACK16, YCBCR_SWIZ(B, ZERO, ZERO, ZERO), 2, 2),
512              c_plane(VK_FORMAT_R10X6_UNORM_PACK16, YCBCR_SWIZ(R, ZERO, ZERO, ZERO), 2, 2)),
513    ycbcr_fmt(VK_FORMAT_G10X6_B10X6R10X6_2PLANE_420_UNORM_3PACK16, 2,
514              y_plane(VK_FORMAT_R10X6_UNORM_PACK16, YCBCR_SWIZ(G, ZERO, ZERO, ZERO), 1, 1),
515              c_plane(VK_FORMAT_R10X6G10X6_UNORM_2PACK16, YCBCR_SWIZ(B, R, ZERO, ZERO), 2, 2)),
516    ycbcr_fmt(VK_FORMAT_G10X6_B10X6_R10X6_3PLANE_422_UNORM_3PACK16, 3,
517              y_plane(VK_FORMAT_R10X6_UNORM_PACK16, YCBCR_SWIZ(G, ZERO, ZERO, ZERO), 1, 1),
518              c_plane(VK_FORMAT_R10X6_UNORM_PACK16, YCBCR_SWIZ(B, ZERO, ZERO, ZERO), 2, 1),
519              c_plane(VK_FORMAT_R10X6_UNORM_PACK16, YCBCR_SWIZ(R, ZERO, ZERO, ZERO), 2, 1)),
520    ycbcr_fmt(VK_FORMAT_G10X6_B10X6R10X6_2PLANE_422_UNORM_3PACK16, 2,
521              y_plane(VK_FORMAT_R10X6_UNORM_PACK16, YCBCR_SWIZ(G, ZERO, ZERO, ZERO), 1, 1),
522              c_plane(VK_FORMAT_R10X6G10X6_UNORM_2PACK16, YCBCR_SWIZ(B, R, ZERO, ZERO), 2, 1)),
523    ycbcr_fmt(VK_FORMAT_G10X6_B10X6_R10X6_3PLANE_444_UNORM_3PACK16, 3,
524              y_plane(VK_FORMAT_R10X6_UNORM_PACK16, YCBCR_SWIZ(G, ZERO, ZERO, ZERO), 1, 1),
525              c_plane(VK_FORMAT_R10X6_UNORM_PACK16, YCBCR_SWIZ(B, ZERO, ZERO, ZERO), 1, 1),
526              c_plane(VK_FORMAT_R10X6_UNORM_PACK16, YCBCR_SWIZ(R, ZERO, ZERO, ZERO), 1, 1)),
527 
528    fmt_unsupported(VK_FORMAT_R12X4_UNORM_PACK16),
529    fmt_unsupported(VK_FORMAT_R12X4G12X4_UNORM_2PACK16),
530    fmt_unsupported(VK_FORMAT_R12X4G12X4B12X4A12X4_UNORM_4PACK16),
531 
532    ycbcr_fmt(VK_FORMAT_G12X4B12X4G12X4R12X4_422_UNORM_4PACK16, 1,
533              y_plane(VK_FORMAT_G12X4B12X4G12X4R12X4_422_UNORM_4PACK16, YCBCR_SWIZ(B, G, R, ZERO), 1, 1)),
534    ycbcr_fmt(VK_FORMAT_B12X4G12X4R12X4G12X4_422_UNORM_4PACK16, 1,
535              y_plane(VK_FORMAT_B12X4G12X4R12X4G12X4_422_UNORM_4PACK16, YCBCR_SWIZ(B, G, R, ZERO), 1, 1)),
536 
537    ycbcr_fmt(VK_FORMAT_G12X4_B12X4_R12X4_3PLANE_420_UNORM_3PACK16, 3,
538              y_plane(VK_FORMAT_R12X4_UNORM_PACK16, YCBCR_SWIZ(G, ZERO, ZERO, ZERO), 1, 1),
539              c_plane(VK_FORMAT_R12X4_UNORM_PACK16, YCBCR_SWIZ(B, ZERO, ZERO, ZERO), 2, 2),
540              c_plane(VK_FORMAT_R12X4_UNORM_PACK16, YCBCR_SWIZ(R, ZERO, ZERO, ZERO), 2, 2)),
541    ycbcr_fmt(VK_FORMAT_G12X4_B12X4R12X4_2PLANE_420_UNORM_3PACK16, 2,
542              y_plane(VK_FORMAT_R12X4_UNORM_PACK16, YCBCR_SWIZ(G, ZERO, ZERO, ZERO), 1, 1),
543              c_plane(VK_FORMAT_R12X4G12X4_UNORM_2PACK16, YCBCR_SWIZ(B, R, ZERO, ZERO), 2, 2)),
544    ycbcr_fmt(VK_FORMAT_G12X4_B12X4_R12X4_3PLANE_422_UNORM_3PACK16, 3,
545              y_plane(VK_FORMAT_R12X4_UNORM_PACK16, YCBCR_SWIZ(G, ZERO, ZERO, ZERO), 1, 1),
546              c_plane(VK_FORMAT_R12X4_UNORM_PACK16, YCBCR_SWIZ(B, ZERO, ZERO, ZERO), 2, 1),
547              c_plane(VK_FORMAT_R12X4_UNORM_PACK16, YCBCR_SWIZ(R, ZERO, ZERO, ZERO), 2, 1)),
548    ycbcr_fmt(VK_FORMAT_G12X4_B12X4R12X4_2PLANE_422_UNORM_3PACK16, 2,
549              y_plane(VK_FORMAT_R12X4_UNORM_PACK16, YCBCR_SWIZ(G, ZERO, ZERO, ZERO), 1, 1),
550              c_plane(VK_FORMAT_R12X4G12X4_UNORM_2PACK16, YCBCR_SWIZ(B, R, ZERO, ZERO), 2, 1)),
551    ycbcr_fmt(VK_FORMAT_G12X4_B12X4_R12X4_3PLANE_444_UNORM_3PACK16, 3,
552              y_plane(VK_FORMAT_R12X4_UNORM_PACK16, YCBCR_SWIZ(G, ZERO, ZERO, ZERO), 1, 1),
553              c_plane(VK_FORMAT_R12X4_UNORM_PACK16, YCBCR_SWIZ(B, ZERO, ZERO, ZERO), 1, 1),
554              c_plane(VK_FORMAT_R12X4_UNORM_PACK16, YCBCR_SWIZ(R, ZERO, ZERO, ZERO), 1, 1)),
555 
556    ycbcr_fmt(VK_FORMAT_G16B16G16R16_422_UNORM, 1,
557              y_plane(VK_FORMAT_G16B16G16R16_422_UNORM, YCBCR_SWIZ(B, G, R, ZERO), 1, 1)),
558    ycbcr_fmt(VK_FORMAT_B16G16R16G16_422_UNORM, 1,
559              y_plane(VK_FORMAT_B16G16R16G16_422_UNORM, YCBCR_SWIZ(B, G, R, ZERO), 1, 1)),
560 
561    ycbcr_fmt(VK_FORMAT_G16_B16_R16_3PLANE_420_UNORM, 3,
562              y_plane(VK_FORMAT_R16_UNORM, YCBCR_SWIZ(G, ZERO, ZERO, ZERO), 1, 1),
563              c_plane(VK_FORMAT_R16_UNORM, YCBCR_SWIZ(B, ZERO, ZERO, ZERO), 2, 2),
564              c_plane(VK_FORMAT_R16_UNORM, YCBCR_SWIZ(R, ZERO, ZERO, ZERO), 2, 2)),
565    ycbcr_fmt(VK_FORMAT_G16_B16R16_2PLANE_420_UNORM, 2,
566              y_plane(VK_FORMAT_R16_UNORM, YCBCR_SWIZ(G, ZERO, ZERO, ZERO), 1, 1),
567              c_plane(VK_FORMAT_R16G16_UNORM, YCBCR_SWIZ(B, R, ZERO, ZERO), 2, 2)),
568    ycbcr_fmt(VK_FORMAT_G16_B16_R16_3PLANE_422_UNORM, 3,
569              y_plane(VK_FORMAT_R16_UNORM, YCBCR_SWIZ(G, ZERO, ZERO, ZERO), 1, 1),
570              c_plane(VK_FORMAT_R16_UNORM, YCBCR_SWIZ(B, ZERO, ZERO, ZERO), 2, 1),
571              c_plane(VK_FORMAT_R16_UNORM, YCBCR_SWIZ(R, ZERO, ZERO, ZERO), 2, 1)),
572    ycbcr_fmt(VK_FORMAT_G16_B16R16_2PLANE_422_UNORM, 2,
573              y_plane(VK_FORMAT_R16_UNORM, YCBCR_SWIZ(G, ZERO, ZERO, ZERO), 1, 1),
574              c_plane(VK_FORMAT_R16G16_UNORM, YCBCR_SWIZ(B, R, ZERO, ZERO), 2, 1)),
575    ycbcr_fmt(VK_FORMAT_G16_B16_R16_3PLANE_444_UNORM, 3,
576              y_plane(VK_FORMAT_R16_UNORM, YCBCR_SWIZ(G, ZERO, ZERO, ZERO), 1, 1),
577              c_plane(VK_FORMAT_R16_UNORM, YCBCR_SWIZ(B, ZERO, ZERO, ZERO), 1, 1),
578              c_plane(VK_FORMAT_R16_UNORM, YCBCR_SWIZ(R, ZERO, ZERO, ZERO), 1, 1)),
579 };
580 
581 static const struct vk_format_ycbcr_info ycbcr_2plane_444_infos[] = {
582    ycbcr_fmt(VK_FORMAT_G8_B8R8_2PLANE_444_UNORM_EXT, 2,
583              y_plane(VK_FORMAT_R8_UNORM, YCBCR_SWIZ(G, ZERO, ZERO, ZERO), 1, 1),
584              c_plane(VK_FORMAT_R8G8_UNORM, YCBCR_SWIZ(B, R, ZERO, ZERO), 1, 1)),
585 
586    ycbcr_fmt(VK_FORMAT_G10X6_B10X6R10X6_2PLANE_444_UNORM_3PACK16_EXT, 2,
587              y_plane(VK_FORMAT_R10X6_UNORM_PACK16, YCBCR_SWIZ(G, ZERO, ZERO, ZERO), 1, 1),
588              c_plane(VK_FORMAT_R10X6G10X6_UNORM_2PACK16, YCBCR_SWIZ(B, R, ZERO, ZERO), 1, 1)),
589 
590    ycbcr_fmt(VK_FORMAT_G12X4_B12X4R12X4_2PLANE_444_UNORM_3PACK16_EXT, 2,
591              y_plane(VK_FORMAT_R12X4_UNORM_PACK16, YCBCR_SWIZ(G, ZERO, ZERO, ZERO), 1, 1),
592              c_plane(VK_FORMAT_R12X4G12X4_UNORM_2PACK16, YCBCR_SWIZ(B, R, ZERO, ZERO), 1, 1)),
593 
594    ycbcr_fmt(VK_FORMAT_G16_B16R16_2PLANE_444_UNORM_EXT, 2,
595              y_plane(VK_FORMAT_R16_UNORM, YCBCR_SWIZ(G, ZERO, ZERO, ZERO), 1, 1),
596              c_plane(VK_FORMAT_R16G16_UNORM, YCBCR_SWIZ(B, R, ZERO, ZERO), 1, 1)),
597 };
598 
599 const struct vk_format_ycbcr_info *
vk_format_get_ycbcr_info(VkFormat format)600 vk_format_get_ycbcr_info(VkFormat format)
601 {
602    uint32_t enum_offset = VK_ENUM_OFFSET(format);
603    uint32_t ext_number = VK_ENUM_EXTENSION(format);
604    const struct vk_format_ycbcr_info *info;
605    switch (ext_number) {
606    case _VK_KHR_sampler_ycbcr_conversion_number:
607       if (enum_offset >= ARRAY_SIZE(ycbcr_infos))
608          return NULL;
609       info = &ycbcr_infos[enum_offset];
610       break;
611 
612    case _VK_EXT_ycbcr_2plane_444_formats_number:
613       if (enum_offset >= ARRAY_SIZE(ycbcr_2plane_444_infos))
614          return NULL;
615       info = &ycbcr_2plane_444_infos[enum_offset];
616       break;
617 
618    default:
619       return NULL;
620    }
621 
622    if (info->n_planes == 0)
623       return NULL;
624 
625    return info;
626 }
627 
628 static uint32_t
swizzled_color_component(const VkClearColorValue * color,VkComponentSwizzle swizzle,uint32_t comp,bool is_int)629 swizzled_color_component(const VkClearColorValue *color,
630                          VkComponentSwizzle swizzle,
631                          uint32_t comp, bool is_int)
632 {
633    switch (swizzle) {
634    case VK_COMPONENT_SWIZZLE_IDENTITY: return color->uint32[comp];
635    case VK_COMPONENT_SWIZZLE_ZERO:     return 0;
636    case VK_COMPONENT_SWIZZLE_ONE:      return is_int ? 1 : 0x3f800000;
637    case VK_COMPONENT_SWIZZLE_R:        return color->uint32[0];
638    case VK_COMPONENT_SWIZZLE_G:        return color->uint32[1];
639    case VK_COMPONENT_SWIZZLE_B:        return color->uint32[2];
640    case VK_COMPONENT_SWIZZLE_A:        return color->uint32[3];
641    default: unreachable("Invalid component swizzle");
642    }
643 }
644 
645 VkClearColorValue
vk_swizzle_color_value(VkClearColorValue color,VkComponentMapping swizzle,bool is_int)646 vk_swizzle_color_value(VkClearColorValue color,
647                        VkComponentMapping swizzle, bool is_int)
648 {
649    return (VkClearColorValue) { .uint32 = {
650       swizzled_color_component(&color, swizzle.r, 0, is_int),
651       swizzled_color_component(&color, swizzle.g, 1, is_int),
652       swizzled_color_component(&color, swizzle.b, 2, is_int),
653       swizzled_color_component(&color, swizzle.a, 3, is_int),
654    }};
655 }
656