anv_formats.c revision 9f464c52
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
24#include "anv_private.h"
25#include "drm-uapi/drm_fourcc.h"
26#include "vk_enum_to_str.h"
27#include "vk_format_info.h"
28#include "vk_util.h"
29
30/*
31 * gcc-4 and earlier don't allow compound literals where a constant
32 * is required in -std=c99/gnu99 mode, so we can't use ISL_SWIZZLE()
33 * here. -std=c89/gnu89 would allow it, but we depend on c99 features
34 * so using -std=c89/gnu89 is not an option. Starting from gcc-5
35 * compound literals can also be considered constant in -std=c99/gnu99
36 * mode.
37 */
38#define _ISL_SWIZZLE(r, g, b, a) { \
39      ISL_CHANNEL_SELECT_##r, \
40      ISL_CHANNEL_SELECT_##g, \
41      ISL_CHANNEL_SELECT_##b, \
42      ISL_CHANNEL_SELECT_##a, \
43}
44
45#define RGBA _ISL_SWIZZLE(RED, GREEN, BLUE, ALPHA)
46#define BGRA _ISL_SWIZZLE(BLUE, GREEN, RED, ALPHA)
47#define RGB1 _ISL_SWIZZLE(RED, GREEN, BLUE, ONE)
48
49#define swiz_fmt1(__vk_fmt, __hw_fmt, __swizzle) \
50   [VK_ENUM_OFFSET(__vk_fmt)] = { \
51      .planes = { \
52         { .isl_format = __hw_fmt, .swizzle = __swizzle, \
53           .denominator_scales = { 1, 1, }, \
54           .aspect = VK_IMAGE_ASPECT_COLOR_BIT, \
55         }, \
56      }, \
57      .vk_format = __vk_fmt, \
58      .n_planes = 1, \
59   }
60
61#define fmt1(__vk_fmt, __hw_fmt) \
62   swiz_fmt1(__vk_fmt, __hw_fmt, RGBA)
63
64#define d_fmt(__vk_fmt, __hw_fmt) \
65   [VK_ENUM_OFFSET(__vk_fmt)] = { \
66      .planes = { \
67         { .isl_format = __hw_fmt, .swizzle = RGBA, \
68           .denominator_scales = { 1, 1, }, \
69           .aspect = VK_IMAGE_ASPECT_DEPTH_BIT, \
70         }, \
71      }, \
72      .vk_format = __vk_fmt, \
73      .n_planes = 1, \
74   }
75
76#define s_fmt(__vk_fmt, __hw_fmt) \
77   [VK_ENUM_OFFSET(__vk_fmt)] = { \
78      .planes = { \
79         { .isl_format = __hw_fmt, .swizzle = RGBA, \
80           .denominator_scales = { 1, 1, }, \
81           .aspect = VK_IMAGE_ASPECT_STENCIL_BIT, \
82         }, \
83      }, \
84      .vk_format = __vk_fmt, \
85      .n_planes = 1, \
86   }
87
88#define ds_fmt2(__vk_fmt, __fmt1, __fmt2) \
89   [VK_ENUM_OFFSET(__vk_fmt)] = { \
90      .planes = { \
91         { .isl_format = __fmt1, .swizzle = RGBA, \
92           .denominator_scales = { 1, 1, }, \
93           .aspect = VK_IMAGE_ASPECT_DEPTH_BIT, \
94         }, \
95         { .isl_format = __fmt2, .swizzle = RGBA, \
96           .denominator_scales = { 1, 1, }, \
97           .aspect = VK_IMAGE_ASPECT_STENCIL_BIT, \
98         }, \
99      }, \
100      .vk_format = __vk_fmt, \
101      .n_planes = 2, \
102   }
103
104#define fmt_unsupported(__vk_fmt) \
105   [VK_ENUM_OFFSET(__vk_fmt)] = { \
106      .planes = { \
107         { .isl_format = ISL_FORMAT_UNSUPPORTED, }, \
108      }, \
109      .vk_format = VK_FORMAT_UNDEFINED, \
110   }
111
112#define y_plane(__plane, __hw_fmt, __swizzle, __ycbcr_swizzle, dhs, dvs) \
113   { .isl_format = __hw_fmt, \
114     .swizzle = __swizzle, \
115     .ycbcr_swizzle = __ycbcr_swizzle, \
116     .denominator_scales = { dhs, dvs, }, \
117     .has_chroma = false, \
118     .aspect = VK_IMAGE_ASPECT_PLANE_0_BIT, /* Y plane is always plane 0 */ \
119   }
120
121#define chroma_plane(__plane, __hw_fmt, __swizzle, __ycbcr_swizzle, dhs, dvs) \
122   { .isl_format = __hw_fmt, \
123     .swizzle = __swizzle, \
124     .ycbcr_swizzle = __ycbcr_swizzle, \
125     .denominator_scales = { dhs, dvs, }, \
126     .has_chroma = true, \
127     .aspect = VK_IMAGE_ASPECT_PLANE_ ## __plane ## _BIT, \
128   }
129
130#define ycbcr_fmt(__vk_fmt, __n_planes, ...) \
131   [VK_ENUM_OFFSET(__vk_fmt)] = { \
132      .planes = { \
133         __VA_ARGS__, \
134      }, \
135      .vk_format = __vk_fmt, \
136      .n_planes = __n_planes, \
137      .can_ycbcr = true, \
138   }
139
140/* HINT: For array formats, the ISL name should match the VK name.  For
141 * packed formats, they should have the channels in reverse order from each
142 * other.  The reason for this is that, for packed formats, the ISL (and
143 * bspec) names are in LSB -> MSB order while VK formats are MSB -> LSB.
144 */
145static const struct anv_format main_formats[] = {
146   fmt_unsupported(VK_FORMAT_UNDEFINED),
147   fmt_unsupported(VK_FORMAT_R4G4_UNORM_PACK8),
148   fmt1(VK_FORMAT_R4G4B4A4_UNORM_PACK16,             ISL_FORMAT_A4B4G4R4_UNORM),
149   swiz_fmt1(VK_FORMAT_B4G4R4A4_UNORM_PACK16,        ISL_FORMAT_A4B4G4R4_UNORM,  BGRA),
150   fmt1(VK_FORMAT_R5G6B5_UNORM_PACK16,               ISL_FORMAT_B5G6R5_UNORM),
151   swiz_fmt1(VK_FORMAT_B5G6R5_UNORM_PACK16,          ISL_FORMAT_B5G6R5_UNORM, BGRA),
152   fmt1(VK_FORMAT_R5G5B5A1_UNORM_PACK16,             ISL_FORMAT_A1B5G5R5_UNORM),
153   fmt_unsupported(VK_FORMAT_B5G5R5A1_UNORM_PACK16),
154   fmt1(VK_FORMAT_A1R5G5B5_UNORM_PACK16,             ISL_FORMAT_B5G5R5A1_UNORM),
155   fmt1(VK_FORMAT_R8_UNORM,                          ISL_FORMAT_R8_UNORM),
156   fmt1(VK_FORMAT_R8_SNORM,                          ISL_FORMAT_R8_SNORM),
157   fmt1(VK_FORMAT_R8_USCALED,                        ISL_FORMAT_R8_USCALED),
158   fmt1(VK_FORMAT_R8_SSCALED,                        ISL_FORMAT_R8_SSCALED),
159   fmt1(VK_FORMAT_R8_UINT,                           ISL_FORMAT_R8_UINT),
160   fmt1(VK_FORMAT_R8_SINT,                           ISL_FORMAT_R8_SINT),
161   swiz_fmt1(VK_FORMAT_R8_SRGB,                      ISL_FORMAT_L8_UNORM_SRGB,
162                                                     _ISL_SWIZZLE(RED, ZERO, ZERO, ONE)),
163   fmt1(VK_FORMAT_R8G8_UNORM,                        ISL_FORMAT_R8G8_UNORM),
164   fmt1(VK_FORMAT_R8G8_SNORM,                        ISL_FORMAT_R8G8_SNORM),
165   fmt1(VK_FORMAT_R8G8_USCALED,                      ISL_FORMAT_R8G8_USCALED),
166   fmt1(VK_FORMAT_R8G8_SSCALED,                      ISL_FORMAT_R8G8_SSCALED),
167   fmt1(VK_FORMAT_R8G8_UINT,                         ISL_FORMAT_R8G8_UINT),
168   fmt1(VK_FORMAT_R8G8_SINT,                         ISL_FORMAT_R8G8_SINT),
169   fmt_unsupported(VK_FORMAT_R8G8_SRGB),             /* L8A8_UNORM_SRGB */
170   fmt1(VK_FORMAT_R8G8B8_UNORM,                      ISL_FORMAT_R8G8B8_UNORM),
171   fmt1(VK_FORMAT_R8G8B8_SNORM,                      ISL_FORMAT_R8G8B8_SNORM),
172   fmt1(VK_FORMAT_R8G8B8_USCALED,                    ISL_FORMAT_R8G8B8_USCALED),
173   fmt1(VK_FORMAT_R8G8B8_SSCALED,                    ISL_FORMAT_R8G8B8_SSCALED),
174   fmt1(VK_FORMAT_R8G8B8_UINT,                       ISL_FORMAT_R8G8B8_UINT),
175   fmt1(VK_FORMAT_R8G8B8_SINT,                       ISL_FORMAT_R8G8B8_SINT),
176   fmt1(VK_FORMAT_R8G8B8_SRGB,                       ISL_FORMAT_R8G8B8_UNORM_SRGB),
177   fmt1(VK_FORMAT_R8G8B8A8_UNORM,                    ISL_FORMAT_R8G8B8A8_UNORM),
178   fmt1(VK_FORMAT_R8G8B8A8_SNORM,                    ISL_FORMAT_R8G8B8A8_SNORM),
179   fmt1(VK_FORMAT_R8G8B8A8_USCALED,                  ISL_FORMAT_R8G8B8A8_USCALED),
180   fmt1(VK_FORMAT_R8G8B8A8_SSCALED,                  ISL_FORMAT_R8G8B8A8_SSCALED),
181   fmt1(VK_FORMAT_R8G8B8A8_UINT,                     ISL_FORMAT_R8G8B8A8_UINT),
182   fmt1(VK_FORMAT_R8G8B8A8_SINT,                     ISL_FORMAT_R8G8B8A8_SINT),
183   fmt1(VK_FORMAT_R8G8B8A8_SRGB,                     ISL_FORMAT_R8G8B8A8_UNORM_SRGB),
184   fmt1(VK_FORMAT_A8B8G8R8_UNORM_PACK32,             ISL_FORMAT_R8G8B8A8_UNORM),
185   fmt1(VK_FORMAT_A8B8G8R8_SNORM_PACK32,             ISL_FORMAT_R8G8B8A8_SNORM),
186   fmt1(VK_FORMAT_A8B8G8R8_USCALED_PACK32,           ISL_FORMAT_R8G8B8A8_USCALED),
187   fmt1(VK_FORMAT_A8B8G8R8_SSCALED_PACK32,           ISL_FORMAT_R8G8B8A8_SSCALED),
188   fmt1(VK_FORMAT_A8B8G8R8_UINT_PACK32,              ISL_FORMAT_R8G8B8A8_UINT),
189   fmt1(VK_FORMAT_A8B8G8R8_SINT_PACK32,              ISL_FORMAT_R8G8B8A8_SINT),
190   fmt1(VK_FORMAT_A8B8G8R8_SRGB_PACK32,              ISL_FORMAT_R8G8B8A8_UNORM_SRGB),
191   fmt1(VK_FORMAT_A2R10G10B10_UNORM_PACK32,          ISL_FORMAT_B10G10R10A2_UNORM),
192   fmt1(VK_FORMAT_A2R10G10B10_SNORM_PACK32,          ISL_FORMAT_B10G10R10A2_SNORM),
193   fmt1(VK_FORMAT_A2R10G10B10_USCALED_PACK32,        ISL_FORMAT_B10G10R10A2_USCALED),
194   fmt1(VK_FORMAT_A2R10G10B10_SSCALED_PACK32,        ISL_FORMAT_B10G10R10A2_SSCALED),
195   fmt1(VK_FORMAT_A2R10G10B10_UINT_PACK32,           ISL_FORMAT_B10G10R10A2_UINT),
196   fmt1(VK_FORMAT_A2R10G10B10_SINT_PACK32,           ISL_FORMAT_B10G10R10A2_SINT),
197   fmt1(VK_FORMAT_A2B10G10R10_UNORM_PACK32,          ISL_FORMAT_R10G10B10A2_UNORM),
198   fmt1(VK_FORMAT_A2B10G10R10_SNORM_PACK32,          ISL_FORMAT_R10G10B10A2_SNORM),
199   fmt1(VK_FORMAT_A2B10G10R10_USCALED_PACK32,        ISL_FORMAT_R10G10B10A2_USCALED),
200   fmt1(VK_FORMAT_A2B10G10R10_SSCALED_PACK32,        ISL_FORMAT_R10G10B10A2_SSCALED),
201   fmt1(VK_FORMAT_A2B10G10R10_UINT_PACK32,           ISL_FORMAT_R10G10B10A2_UINT),
202   fmt1(VK_FORMAT_A2B10G10R10_SINT_PACK32,           ISL_FORMAT_R10G10B10A2_SINT),
203   fmt1(VK_FORMAT_R16_UNORM,                         ISL_FORMAT_R16_UNORM),
204   fmt1(VK_FORMAT_R16_SNORM,                         ISL_FORMAT_R16_SNORM),
205   fmt1(VK_FORMAT_R16_USCALED,                       ISL_FORMAT_R16_USCALED),
206   fmt1(VK_FORMAT_R16_SSCALED,                       ISL_FORMAT_R16_SSCALED),
207   fmt1(VK_FORMAT_R16_UINT,                          ISL_FORMAT_R16_UINT),
208   fmt1(VK_FORMAT_R16_SINT,                          ISL_FORMAT_R16_SINT),
209   fmt1(VK_FORMAT_R16_SFLOAT,                        ISL_FORMAT_R16_FLOAT),
210   fmt1(VK_FORMAT_R16G16_UNORM,                      ISL_FORMAT_R16G16_UNORM),
211   fmt1(VK_FORMAT_R16G16_SNORM,                      ISL_FORMAT_R16G16_SNORM),
212   fmt1(VK_FORMAT_R16G16_USCALED,                    ISL_FORMAT_R16G16_USCALED),
213   fmt1(VK_FORMAT_R16G16_SSCALED,                    ISL_FORMAT_R16G16_SSCALED),
214   fmt1(VK_FORMAT_R16G16_UINT,                       ISL_FORMAT_R16G16_UINT),
215   fmt1(VK_FORMAT_R16G16_SINT,                       ISL_FORMAT_R16G16_SINT),
216   fmt1(VK_FORMAT_R16G16_SFLOAT,                     ISL_FORMAT_R16G16_FLOAT),
217   fmt1(VK_FORMAT_R16G16B16_UNORM,                   ISL_FORMAT_R16G16B16_UNORM),
218   fmt1(VK_FORMAT_R16G16B16_SNORM,                   ISL_FORMAT_R16G16B16_SNORM),
219   fmt1(VK_FORMAT_R16G16B16_USCALED,                 ISL_FORMAT_R16G16B16_USCALED),
220   fmt1(VK_FORMAT_R16G16B16_SSCALED,                 ISL_FORMAT_R16G16B16_SSCALED),
221   fmt1(VK_FORMAT_R16G16B16_UINT,                    ISL_FORMAT_R16G16B16_UINT),
222   fmt1(VK_FORMAT_R16G16B16_SINT,                    ISL_FORMAT_R16G16B16_SINT),
223   fmt1(VK_FORMAT_R16G16B16_SFLOAT,                  ISL_FORMAT_R16G16B16_FLOAT),
224   fmt1(VK_FORMAT_R16G16B16A16_UNORM,                ISL_FORMAT_R16G16B16A16_UNORM),
225   fmt1(VK_FORMAT_R16G16B16A16_SNORM,                ISL_FORMAT_R16G16B16A16_SNORM),
226   fmt1(VK_FORMAT_R16G16B16A16_USCALED,              ISL_FORMAT_R16G16B16A16_USCALED),
227   fmt1(VK_FORMAT_R16G16B16A16_SSCALED,              ISL_FORMAT_R16G16B16A16_SSCALED),
228   fmt1(VK_FORMAT_R16G16B16A16_UINT,                 ISL_FORMAT_R16G16B16A16_UINT),
229   fmt1(VK_FORMAT_R16G16B16A16_SINT,                 ISL_FORMAT_R16G16B16A16_SINT),
230   fmt1(VK_FORMAT_R16G16B16A16_SFLOAT,               ISL_FORMAT_R16G16B16A16_FLOAT),
231   fmt1(VK_FORMAT_R32_UINT,                          ISL_FORMAT_R32_UINT),
232   fmt1(VK_FORMAT_R32_SINT,                          ISL_FORMAT_R32_SINT),
233   fmt1(VK_FORMAT_R32_SFLOAT,                        ISL_FORMAT_R32_FLOAT),
234   fmt1(VK_FORMAT_R32G32_UINT,                       ISL_FORMAT_R32G32_UINT),
235   fmt1(VK_FORMAT_R32G32_SINT,                       ISL_FORMAT_R32G32_SINT),
236   fmt1(VK_FORMAT_R32G32_SFLOAT,                     ISL_FORMAT_R32G32_FLOAT),
237   fmt1(VK_FORMAT_R32G32B32_UINT,                    ISL_FORMAT_R32G32B32_UINT),
238   fmt1(VK_FORMAT_R32G32B32_SINT,                    ISL_FORMAT_R32G32B32_SINT),
239   fmt1(VK_FORMAT_R32G32B32_SFLOAT,                  ISL_FORMAT_R32G32B32_FLOAT),
240   fmt1(VK_FORMAT_R32G32B32A32_UINT,                 ISL_FORMAT_R32G32B32A32_UINT),
241   fmt1(VK_FORMAT_R32G32B32A32_SINT,                 ISL_FORMAT_R32G32B32A32_SINT),
242   fmt1(VK_FORMAT_R32G32B32A32_SFLOAT,               ISL_FORMAT_R32G32B32A32_FLOAT),
243   fmt1(VK_FORMAT_R64_UINT,                          ISL_FORMAT_R64_PASSTHRU),
244   fmt1(VK_FORMAT_R64_SINT,                          ISL_FORMAT_R64_PASSTHRU),
245   fmt1(VK_FORMAT_R64_SFLOAT,                        ISL_FORMAT_R64_PASSTHRU),
246   fmt1(VK_FORMAT_R64G64_UINT,                       ISL_FORMAT_R64G64_PASSTHRU),
247   fmt1(VK_FORMAT_R64G64_SINT,                       ISL_FORMAT_R64G64_PASSTHRU),
248   fmt1(VK_FORMAT_R64G64_SFLOAT,                     ISL_FORMAT_R64G64_PASSTHRU),
249   fmt1(VK_FORMAT_R64G64B64_UINT,                    ISL_FORMAT_R64G64B64_PASSTHRU),
250   fmt1(VK_FORMAT_R64G64B64_SINT,                    ISL_FORMAT_R64G64B64_PASSTHRU),
251   fmt1(VK_FORMAT_R64G64B64_SFLOAT,                  ISL_FORMAT_R64G64B64_PASSTHRU),
252   fmt1(VK_FORMAT_R64G64B64A64_UINT,                 ISL_FORMAT_R64G64B64A64_PASSTHRU),
253   fmt1(VK_FORMAT_R64G64B64A64_SINT,                 ISL_FORMAT_R64G64B64A64_PASSTHRU),
254   fmt1(VK_FORMAT_R64G64B64A64_SFLOAT,               ISL_FORMAT_R64G64B64A64_PASSTHRU),
255   fmt1(VK_FORMAT_B10G11R11_UFLOAT_PACK32,           ISL_FORMAT_R11G11B10_FLOAT),
256   fmt1(VK_FORMAT_E5B9G9R9_UFLOAT_PACK32,            ISL_FORMAT_R9G9B9E5_SHAREDEXP),
257
258   d_fmt(VK_FORMAT_D16_UNORM,                        ISL_FORMAT_R16_UNORM),
259   d_fmt(VK_FORMAT_X8_D24_UNORM_PACK32,              ISL_FORMAT_R24_UNORM_X8_TYPELESS),
260   d_fmt(VK_FORMAT_D32_SFLOAT,                       ISL_FORMAT_R32_FLOAT),
261   s_fmt(VK_FORMAT_S8_UINT,                          ISL_FORMAT_R8_UINT),
262   fmt_unsupported(VK_FORMAT_D16_UNORM_S8_UINT),
263   ds_fmt2(VK_FORMAT_D24_UNORM_S8_UINT,              ISL_FORMAT_R24_UNORM_X8_TYPELESS, ISL_FORMAT_R8_UINT),
264   ds_fmt2(VK_FORMAT_D32_SFLOAT_S8_UINT,             ISL_FORMAT_R32_FLOAT, ISL_FORMAT_R8_UINT),
265
266   swiz_fmt1(VK_FORMAT_BC1_RGB_UNORM_BLOCK,          ISL_FORMAT_BC1_UNORM, RGB1),
267   swiz_fmt1(VK_FORMAT_BC1_RGB_SRGB_BLOCK,           ISL_FORMAT_BC1_UNORM_SRGB, RGB1),
268   fmt1(VK_FORMAT_BC1_RGBA_UNORM_BLOCK,              ISL_FORMAT_BC1_UNORM),
269   fmt1(VK_FORMAT_BC1_RGBA_SRGB_BLOCK,               ISL_FORMAT_BC1_UNORM_SRGB),
270   fmt1(VK_FORMAT_BC2_UNORM_BLOCK,                   ISL_FORMAT_BC2_UNORM),
271   fmt1(VK_FORMAT_BC2_SRGB_BLOCK,                    ISL_FORMAT_BC2_UNORM_SRGB),
272   fmt1(VK_FORMAT_BC3_UNORM_BLOCK,                   ISL_FORMAT_BC3_UNORM),
273   fmt1(VK_FORMAT_BC3_SRGB_BLOCK,                    ISL_FORMAT_BC3_UNORM_SRGB),
274   fmt1(VK_FORMAT_BC4_UNORM_BLOCK,                   ISL_FORMAT_BC4_UNORM),
275   fmt1(VK_FORMAT_BC4_SNORM_BLOCK,                   ISL_FORMAT_BC4_SNORM),
276   fmt1(VK_FORMAT_BC5_UNORM_BLOCK,                   ISL_FORMAT_BC5_UNORM),
277   fmt1(VK_FORMAT_BC5_SNORM_BLOCK,                   ISL_FORMAT_BC5_SNORM),
278   fmt1(VK_FORMAT_BC6H_UFLOAT_BLOCK,                 ISL_FORMAT_BC6H_UF16),
279   fmt1(VK_FORMAT_BC6H_SFLOAT_BLOCK,                 ISL_FORMAT_BC6H_SF16),
280   fmt1(VK_FORMAT_BC7_UNORM_BLOCK,                   ISL_FORMAT_BC7_UNORM),
281   fmt1(VK_FORMAT_BC7_SRGB_BLOCK,                    ISL_FORMAT_BC7_UNORM_SRGB),
282   fmt1(VK_FORMAT_ETC2_R8G8B8_UNORM_BLOCK,           ISL_FORMAT_ETC2_RGB8),
283   fmt1(VK_FORMAT_ETC2_R8G8B8_SRGB_BLOCK,            ISL_FORMAT_ETC2_SRGB8),
284   fmt1(VK_FORMAT_ETC2_R8G8B8A1_UNORM_BLOCK,         ISL_FORMAT_ETC2_RGB8_PTA),
285   fmt1(VK_FORMAT_ETC2_R8G8B8A1_SRGB_BLOCK,          ISL_FORMAT_ETC2_SRGB8_PTA),
286   fmt1(VK_FORMAT_ETC2_R8G8B8A8_UNORM_BLOCK,         ISL_FORMAT_ETC2_EAC_RGBA8),
287   fmt1(VK_FORMAT_ETC2_R8G8B8A8_SRGB_BLOCK,          ISL_FORMAT_ETC2_EAC_SRGB8_A8),
288   fmt1(VK_FORMAT_EAC_R11_UNORM_BLOCK,               ISL_FORMAT_EAC_R11),
289   fmt1(VK_FORMAT_EAC_R11_SNORM_BLOCK,               ISL_FORMAT_EAC_SIGNED_R11),
290   fmt1(VK_FORMAT_EAC_R11G11_UNORM_BLOCK,            ISL_FORMAT_EAC_RG11),
291   fmt1(VK_FORMAT_EAC_R11G11_SNORM_BLOCK,            ISL_FORMAT_EAC_SIGNED_RG11),
292   fmt1(VK_FORMAT_ASTC_4x4_SRGB_BLOCK,               ISL_FORMAT_ASTC_LDR_2D_4X4_U8SRGB),
293   fmt1(VK_FORMAT_ASTC_5x4_SRGB_BLOCK,               ISL_FORMAT_ASTC_LDR_2D_5X4_U8SRGB),
294   fmt1(VK_FORMAT_ASTC_5x5_SRGB_BLOCK,               ISL_FORMAT_ASTC_LDR_2D_5X5_U8SRGB),
295   fmt1(VK_FORMAT_ASTC_6x5_SRGB_BLOCK,               ISL_FORMAT_ASTC_LDR_2D_6X5_U8SRGB),
296   fmt1(VK_FORMAT_ASTC_6x6_SRGB_BLOCK,               ISL_FORMAT_ASTC_LDR_2D_6X6_U8SRGB),
297   fmt1(VK_FORMAT_ASTC_8x5_SRGB_BLOCK,               ISL_FORMAT_ASTC_LDR_2D_8X5_U8SRGB),
298   fmt1(VK_FORMAT_ASTC_8x6_SRGB_BLOCK,               ISL_FORMAT_ASTC_LDR_2D_8X6_U8SRGB),
299   fmt1(VK_FORMAT_ASTC_8x8_SRGB_BLOCK,               ISL_FORMAT_ASTC_LDR_2D_8X8_U8SRGB),
300   fmt1(VK_FORMAT_ASTC_10x5_SRGB_BLOCK,              ISL_FORMAT_ASTC_LDR_2D_10X5_U8SRGB),
301   fmt1(VK_FORMAT_ASTC_10x6_SRGB_BLOCK,              ISL_FORMAT_ASTC_LDR_2D_10X6_U8SRGB),
302   fmt1(VK_FORMAT_ASTC_10x8_SRGB_BLOCK,              ISL_FORMAT_ASTC_LDR_2D_10X8_U8SRGB),
303   fmt1(VK_FORMAT_ASTC_10x10_SRGB_BLOCK,             ISL_FORMAT_ASTC_LDR_2D_10X10_U8SRGB),
304   fmt1(VK_FORMAT_ASTC_12x10_SRGB_BLOCK,             ISL_FORMAT_ASTC_LDR_2D_12X10_U8SRGB),
305   fmt1(VK_FORMAT_ASTC_12x12_SRGB_BLOCK,             ISL_FORMAT_ASTC_LDR_2D_12X12_U8SRGB),
306   fmt1(VK_FORMAT_ASTC_4x4_UNORM_BLOCK,              ISL_FORMAT_ASTC_LDR_2D_4X4_FLT16),
307   fmt1(VK_FORMAT_ASTC_5x4_UNORM_BLOCK,              ISL_FORMAT_ASTC_LDR_2D_5X4_FLT16),
308   fmt1(VK_FORMAT_ASTC_5x5_UNORM_BLOCK,              ISL_FORMAT_ASTC_LDR_2D_5X5_FLT16),
309   fmt1(VK_FORMAT_ASTC_6x5_UNORM_BLOCK,              ISL_FORMAT_ASTC_LDR_2D_6X5_FLT16),
310   fmt1(VK_FORMAT_ASTC_6x6_UNORM_BLOCK,              ISL_FORMAT_ASTC_LDR_2D_6X6_FLT16),
311   fmt1(VK_FORMAT_ASTC_8x5_UNORM_BLOCK,              ISL_FORMAT_ASTC_LDR_2D_8X5_FLT16),
312   fmt1(VK_FORMAT_ASTC_8x6_UNORM_BLOCK,              ISL_FORMAT_ASTC_LDR_2D_8X6_FLT16),
313   fmt1(VK_FORMAT_ASTC_8x8_UNORM_BLOCK,              ISL_FORMAT_ASTC_LDR_2D_8X8_FLT16),
314   fmt1(VK_FORMAT_ASTC_10x5_UNORM_BLOCK,             ISL_FORMAT_ASTC_LDR_2D_10X5_FLT16),
315   fmt1(VK_FORMAT_ASTC_10x6_UNORM_BLOCK,             ISL_FORMAT_ASTC_LDR_2D_10X6_FLT16),
316   fmt1(VK_FORMAT_ASTC_10x8_UNORM_BLOCK,             ISL_FORMAT_ASTC_LDR_2D_10X8_FLT16),
317   fmt1(VK_FORMAT_ASTC_10x10_UNORM_BLOCK,            ISL_FORMAT_ASTC_LDR_2D_10X10_FLT16),
318   fmt1(VK_FORMAT_ASTC_12x10_UNORM_BLOCK,            ISL_FORMAT_ASTC_LDR_2D_12X10_FLT16),
319   fmt1(VK_FORMAT_ASTC_12x12_UNORM_BLOCK,            ISL_FORMAT_ASTC_LDR_2D_12X12_FLT16),
320   fmt_unsupported(VK_FORMAT_B8G8R8_UNORM),
321   fmt_unsupported(VK_FORMAT_B8G8R8_SNORM),
322   fmt_unsupported(VK_FORMAT_B8G8R8_USCALED),
323   fmt_unsupported(VK_FORMAT_B8G8R8_SSCALED),
324   fmt_unsupported(VK_FORMAT_B8G8R8_UINT),
325   fmt_unsupported(VK_FORMAT_B8G8R8_SINT),
326   fmt_unsupported(VK_FORMAT_B8G8R8_SRGB),
327   fmt1(VK_FORMAT_B8G8R8A8_UNORM,                    ISL_FORMAT_B8G8R8A8_UNORM),
328   fmt_unsupported(VK_FORMAT_B8G8R8A8_SNORM),
329   fmt_unsupported(VK_FORMAT_B8G8R8A8_USCALED),
330   fmt_unsupported(VK_FORMAT_B8G8R8A8_SSCALED),
331   fmt_unsupported(VK_FORMAT_B8G8R8A8_UINT),
332   fmt_unsupported(VK_FORMAT_B8G8R8A8_SINT),
333   fmt1(VK_FORMAT_B8G8R8A8_SRGB,                     ISL_FORMAT_B8G8R8A8_UNORM_SRGB),
334};
335
336static const struct anv_format ycbcr_formats[] = {
337   ycbcr_fmt(VK_FORMAT_G8B8G8R8_422_UNORM, 1,
338             y_plane(0, ISL_FORMAT_YCRCB_SWAPUV, RGBA, _ISL_SWIZZLE(BLUE, GREEN, RED, ZERO), 1, 1)),
339   ycbcr_fmt(VK_FORMAT_B8G8R8G8_422_UNORM, 1,
340             y_plane(0, ISL_FORMAT_YCRCB_SWAPUVY, RGBA, _ISL_SWIZZLE(BLUE, GREEN, RED, ZERO), 1, 1)),
341   ycbcr_fmt(VK_FORMAT_G8_B8_R8_3PLANE_420_UNORM, 3,
342             y_plane(0, ISL_FORMAT_R8_UNORM, RGBA, _ISL_SWIZZLE(GREEN, ZERO, ZERO, ZERO), 1, 1),
343             chroma_plane(1, ISL_FORMAT_R8_UNORM, RGBA, _ISL_SWIZZLE(BLUE, ZERO, ZERO, ZERO), 2, 2),
344             chroma_plane(2, ISL_FORMAT_R8_UNORM, RGBA, _ISL_SWIZZLE(RED, ZERO, ZERO, ZERO), 2, 2)),
345   ycbcr_fmt(VK_FORMAT_G8_B8R8_2PLANE_420_UNORM, 2,
346             y_plane(0, ISL_FORMAT_R8_UNORM, RGBA, _ISL_SWIZZLE(GREEN, ZERO, ZERO, ZERO), 1, 1),
347             chroma_plane(1, ISL_FORMAT_R8G8_UNORM, RGBA, _ISL_SWIZZLE(BLUE, RED, ZERO, ZERO), 2, 2)),
348   ycbcr_fmt(VK_FORMAT_G8_B8_R8_3PLANE_422_UNORM, 3,
349             y_plane(0, ISL_FORMAT_R8_UNORM, RGBA, _ISL_SWIZZLE(GREEN, ZERO, ZERO, ZERO), 1, 1),
350             chroma_plane(1, ISL_FORMAT_R8_UNORM, RGBA, _ISL_SWIZZLE(BLUE, ZERO, ZERO, ZERO), 2, 1),
351             chroma_plane(2, ISL_FORMAT_R8_UNORM, RGBA, _ISL_SWIZZLE(RED, ZERO, ZERO, ZERO), 2, 1)),
352   ycbcr_fmt(VK_FORMAT_G8_B8R8_2PLANE_422_UNORM, 2,
353             y_plane(0, ISL_FORMAT_R8_UNORM, RGBA, _ISL_SWIZZLE(GREEN, ZERO, ZERO, ZERO), 1, 1),
354             chroma_plane(1, ISL_FORMAT_R8G8_UNORM, RGBA, _ISL_SWIZZLE(BLUE, RED, ZERO, ZERO), 2, 1)),
355   ycbcr_fmt(VK_FORMAT_G8_B8_R8_3PLANE_444_UNORM, 3,
356             y_plane(0, ISL_FORMAT_R8_UNORM, RGBA, _ISL_SWIZZLE(GREEN, ZERO, ZERO, ZERO), 1, 1),
357             chroma_plane(1, ISL_FORMAT_R8_UNORM, RGBA, _ISL_SWIZZLE(BLUE, ZERO, ZERO, ZERO), 1, 1),
358             chroma_plane(2, ISL_FORMAT_R8_UNORM, RGBA, _ISL_SWIZZLE(RED, ZERO, ZERO, ZERO), 1, 1)),
359
360   fmt_unsupported(VK_FORMAT_R10X6_UNORM_PACK16),
361   fmt_unsupported(VK_FORMAT_R10X6G10X6_UNORM_2PACK16),
362   fmt_unsupported(VK_FORMAT_R10X6G10X6B10X6A10X6_UNORM_4PACK16),
363   fmt_unsupported(VK_FORMAT_G10X6B10X6G10X6R10X6_422_UNORM_4PACK16),
364   fmt_unsupported(VK_FORMAT_B10X6G10X6R10X6G10X6_422_UNORM_4PACK16),
365   fmt_unsupported(VK_FORMAT_G10X6_B10X6_R10X6_3PLANE_420_UNORM_3PACK16),
366   fmt_unsupported(VK_FORMAT_G10X6_B10X6R10X6_2PLANE_420_UNORM_3PACK16),
367   fmt_unsupported(VK_FORMAT_G10X6_B10X6_R10X6_3PLANE_422_UNORM_3PACK16),
368   fmt_unsupported(VK_FORMAT_G10X6_B10X6R10X6_2PLANE_422_UNORM_3PACK16),
369   fmt_unsupported(VK_FORMAT_G10X6_B10X6_R10X6_3PLANE_444_UNORM_3PACK16),
370   fmt_unsupported(VK_FORMAT_R12X4_UNORM_PACK16),
371   fmt_unsupported(VK_FORMAT_R12X4G12X4_UNORM_2PACK16),
372   fmt_unsupported(VK_FORMAT_R12X4G12X4B12X4A12X4_UNORM_4PACK16),
373   fmt_unsupported(VK_FORMAT_G12X4B12X4G12X4R12X4_422_UNORM_4PACK16),
374   fmt_unsupported(VK_FORMAT_B12X4G12X4R12X4G12X4_422_UNORM_4PACK16),
375   fmt_unsupported(VK_FORMAT_G12X4_B12X4_R12X4_3PLANE_420_UNORM_3PACK16),
376   fmt_unsupported(VK_FORMAT_G12X4_B12X4R12X4_2PLANE_420_UNORM_3PACK16),
377   fmt_unsupported(VK_FORMAT_G12X4_B12X4_R12X4_3PLANE_422_UNORM_3PACK16),
378   fmt_unsupported(VK_FORMAT_G12X4_B12X4R12X4_2PLANE_422_UNORM_3PACK16),
379   fmt_unsupported(VK_FORMAT_G12X4_B12X4_R12X4_3PLANE_444_UNORM_3PACK16),
380   /* TODO: it is possible to enable the following 2 formats, but that
381    * requires further refactoring of how we handle multiplanar formats.
382    */
383   fmt_unsupported(VK_FORMAT_G16B16G16R16_422_UNORM),
384   fmt_unsupported(VK_FORMAT_B16G16R16G16_422_UNORM),
385
386   ycbcr_fmt(VK_FORMAT_G16_B16_R16_3PLANE_420_UNORM, 3,
387             y_plane(0, ISL_FORMAT_R16_UNORM, RGBA, _ISL_SWIZZLE(GREEN, ZERO, ZERO, ZERO), 1, 1),
388             chroma_plane(1, ISL_FORMAT_R16_UNORM, RGBA, _ISL_SWIZZLE(BLUE, ZERO, ZERO, ZERO), 2, 2),
389             chroma_plane(2, ISL_FORMAT_R16_UNORM, RGBA, _ISL_SWIZZLE(RED, ZERO, ZERO, ZERO), 2, 2)),
390   ycbcr_fmt(VK_FORMAT_G16_B16R16_2PLANE_420_UNORM, 2,
391             y_plane(0, ISL_FORMAT_R16_UNORM, RGBA, _ISL_SWIZZLE(GREEN, ZERO, ZERO, ZERO), 1, 1),
392             chroma_plane(1, ISL_FORMAT_R16G16_UNORM, RGBA, _ISL_SWIZZLE(BLUE, RED, ZERO, ZERO), 2, 2)),
393   ycbcr_fmt(VK_FORMAT_G16_B16_R16_3PLANE_422_UNORM, 3,
394             y_plane(0, ISL_FORMAT_R16_UNORM, RGBA, _ISL_SWIZZLE(GREEN, ZERO, ZERO, ZERO), 1, 1),
395             chroma_plane(1, ISL_FORMAT_R16_UNORM, RGBA, _ISL_SWIZZLE(BLUE, ZERO, ZERO, ZERO), 2, 1),
396             chroma_plane(2, ISL_FORMAT_R16_UNORM, RGBA, _ISL_SWIZZLE(RED, ZERO, ZERO, ZERO), 2, 1)),
397   ycbcr_fmt(VK_FORMAT_G16_B16R16_2PLANE_422_UNORM, 2,
398             y_plane(0, ISL_FORMAT_R16_UNORM, RGBA, _ISL_SWIZZLE(GREEN, ZERO, ZERO, ZERO), 1, 1),
399             chroma_plane(1, ISL_FORMAT_R16G16_UNORM, RGBA, _ISL_SWIZZLE(BLUE, RED, ZERO, ZERO), 2, 1)),
400   ycbcr_fmt(VK_FORMAT_G16_B16_R16_3PLANE_444_UNORM, 3,
401             y_plane(0, ISL_FORMAT_R16_UNORM, RGBA, _ISL_SWIZZLE(GREEN, ZERO, ZERO, ZERO), 1, 1),
402             chroma_plane(1, ISL_FORMAT_R16_UNORM, RGBA, _ISL_SWIZZLE(BLUE, ZERO, ZERO, ZERO), 1, 1),
403             chroma_plane(2, ISL_FORMAT_R16_UNORM, RGBA, _ISL_SWIZZLE(RED, ZERO, ZERO, ZERO), 1, 1)),
404};
405
406#undef _fmt
407#undef swiz_fmt1
408#undef fmt1
409#undef fmt
410
411static const struct {
412   const struct anv_format *formats;
413   uint32_t n_formats;
414} anv_formats[] = {
415   [0]                                       = { .formats = main_formats,
416                                                 .n_formats = ARRAY_SIZE(main_formats), },
417   [_VK_KHR_sampler_ycbcr_conversion_number] = { .formats = ycbcr_formats,
418                                                 .n_formats = ARRAY_SIZE(ycbcr_formats), },
419};
420
421const struct anv_format *
422anv_get_format(VkFormat vk_format)
423{
424   uint32_t enum_offset = VK_ENUM_OFFSET(vk_format);
425   uint32_t ext_number = VK_ENUM_EXTENSION(vk_format);
426
427   if (ext_number >= ARRAY_SIZE(anv_formats) ||
428       enum_offset >= anv_formats[ext_number].n_formats)
429      return NULL;
430
431   const struct anv_format *format =
432      &anv_formats[ext_number].formats[enum_offset];
433   if (format->planes[0].isl_format == ISL_FORMAT_UNSUPPORTED)
434      return NULL;
435
436   return format;
437}
438
439/**
440 * Exactly one bit must be set in \a aspect.
441 */
442struct anv_format_plane
443anv_get_format_plane(const struct gen_device_info *devinfo, VkFormat vk_format,
444                     VkImageAspectFlagBits aspect, VkImageTiling tiling)
445{
446   const struct anv_format *format = anv_get_format(vk_format);
447   const struct anv_format_plane unsupported = {
448      .isl_format = ISL_FORMAT_UNSUPPORTED,
449   };
450
451   if (format == NULL)
452      return unsupported;
453
454   uint32_t plane = anv_image_aspect_to_plane(vk_format_aspects(vk_format), aspect);
455   struct anv_format_plane plane_format = format->planes[plane];
456   if (plane_format.isl_format == ISL_FORMAT_UNSUPPORTED)
457      return unsupported;
458
459   if (aspect & (VK_IMAGE_ASPECT_DEPTH_BIT | VK_IMAGE_ASPECT_STENCIL_BIT)) {
460      assert(vk_format_aspects(vk_format) &
461             (VK_IMAGE_ASPECT_DEPTH_BIT | VK_IMAGE_ASPECT_STENCIL_BIT));
462      return plane_format;
463   }
464
465   assert((aspect & ~VK_IMAGE_ASPECT_ANY_COLOR_BIT_ANV) == 0);
466
467   const struct isl_format_layout *isl_layout =
468      isl_format_get_layout(plane_format.isl_format);
469
470   /* On Ivy Bridge we don't even have enough 24 and 48-bit formats that we
471    * can reliably do texture upload with BLORP so just don't claim support
472    * for any of them.
473    */
474   if (devinfo->gen == 7 && !devinfo->is_haswell &&
475       (isl_layout->bpb == 24 || isl_layout->bpb == 48))
476      return unsupported;
477
478   if (tiling == VK_IMAGE_TILING_OPTIMAL &&
479       !util_is_power_of_two_or_zero(isl_layout->bpb)) {
480      /* Tiled formats *must* be power-of-two because we need up upload
481       * them with the render pipeline.  For 3-channel formats, we fix
482       * this by switching them over to RGBX or RGBA formats under the
483       * hood.
484       */
485      enum isl_format rgbx = isl_format_rgb_to_rgbx(plane_format.isl_format);
486      if (rgbx != ISL_FORMAT_UNSUPPORTED &&
487          isl_format_supports_rendering(devinfo, rgbx)) {
488         plane_format.isl_format = rgbx;
489      } else {
490         plane_format.isl_format =
491            isl_format_rgb_to_rgba(plane_format.isl_format);
492         plane_format.swizzle = ISL_SWIZZLE(RED, GREEN, BLUE, ONE);
493      }
494   }
495
496   /* The B4G4R4A4 format isn't available prior to Broadwell so we have to fall
497    * back to a format with a more complex swizzle.
498    */
499   if (vk_format == VK_FORMAT_B4G4R4A4_UNORM_PACK16 && devinfo->gen < 8) {
500      plane_format.isl_format = ISL_FORMAT_B4G4R4A4_UNORM;
501      plane_format.swizzle = ISL_SWIZZLE(GREEN, RED, ALPHA, BLUE);
502   }
503
504   return plane_format;
505}
506
507// Format capabilities
508
509VkFormatFeatureFlags
510anv_get_image_format_features(const struct gen_device_info *devinfo,
511                              VkFormat vk_format,
512                              const struct anv_format *anv_format,
513                              VkImageTiling vk_tiling)
514{
515   VkFormatFeatureFlags flags = 0;
516
517   if (anv_format == NULL)
518      return 0;
519
520   const VkImageAspectFlags aspects = vk_format_aspects(vk_format);
521
522   if (aspects & (VK_IMAGE_ASPECT_DEPTH_BIT | VK_IMAGE_ASPECT_STENCIL_BIT)) {
523      if (vk_tiling == VK_IMAGE_TILING_LINEAR)
524         return 0;
525
526      flags |= VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT;
527
528      if (aspects == VK_IMAGE_ASPECT_DEPTH_BIT || devinfo->gen >= 8)
529         flags |= VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT;
530
531      if ((aspects & VK_IMAGE_ASPECT_DEPTH_BIT) && devinfo->gen >= 9)
532         flags |= VK_FORMAT_FEATURE_SAMPLED_IMAGE_FILTER_MINMAX_BIT_EXT;
533
534      flags |= VK_FORMAT_FEATURE_BLIT_SRC_BIT |
535               VK_FORMAT_FEATURE_BLIT_DST_BIT |
536               VK_FORMAT_FEATURE_TRANSFER_SRC_BIT |
537               VK_FORMAT_FEATURE_TRANSFER_DST_BIT;
538
539      return flags;
540   }
541
542   const struct anv_format_plane plane_format =
543      anv_get_format_plane(devinfo, vk_format, VK_IMAGE_ASPECT_COLOR_BIT,
544                           vk_tiling);
545
546   if (plane_format.isl_format == ISL_FORMAT_UNSUPPORTED)
547      return 0;
548
549   struct anv_format_plane base_plane_format = plane_format;
550   if (vk_tiling == VK_IMAGE_TILING_OPTIMAL) {
551      base_plane_format = anv_get_format_plane(devinfo, vk_format,
552                                               VK_IMAGE_ASPECT_COLOR_BIT,
553                                               VK_IMAGE_TILING_LINEAR);
554   }
555
556   enum isl_format base_isl_format = base_plane_format.isl_format;
557
558   /* ASTC textures must be in Y-tiled memory */
559   if (vk_tiling == VK_IMAGE_TILING_LINEAR &&
560       isl_format_get_layout(plane_format.isl_format)->txc == ISL_TXC_ASTC)
561      return 0;
562
563   /* ASTC requires nasty workarounds on BSW so we just disable it for now.
564    *
565    * TODO: Figure out the ASTC workarounds and re-enable on BSW.
566    */
567   if (devinfo->gen < 9 &&
568       isl_format_get_layout(plane_format.isl_format)->txc == ISL_TXC_ASTC)
569      return 0;
570
571   if (isl_format_supports_sampling(devinfo, plane_format.isl_format)) {
572      flags |= VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT;
573
574      if (devinfo->gen >= 9)
575         flags |= VK_FORMAT_FEATURE_SAMPLED_IMAGE_FILTER_MINMAX_BIT_EXT;
576
577      if (isl_format_supports_filtering(devinfo, plane_format.isl_format))
578         flags |= VK_FORMAT_FEATURE_SAMPLED_IMAGE_FILTER_LINEAR_BIT;
579   }
580
581   /* We can render to swizzled formats.  However, if the alpha channel is
582    * moved, then blending won't work correctly.  The PRM tells us
583    * straight-up not to render to such a surface.
584    */
585   if (isl_format_supports_rendering(devinfo, plane_format.isl_format) &&
586       plane_format.swizzle.a == ISL_CHANNEL_SELECT_ALPHA) {
587      flags |= VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT;
588
589      if (isl_format_supports_alpha_blending(devinfo, plane_format.isl_format))
590         flags |= VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BLEND_BIT;
591   }
592
593   /* Load/store is determined based on base format.  This prevents RGB
594    * formats from showing up as load/store capable.
595    */
596   if (isl_is_storage_image_format(base_isl_format))
597      flags |= VK_FORMAT_FEATURE_STORAGE_IMAGE_BIT;
598
599   if (base_isl_format == ISL_FORMAT_R32_SINT ||
600       base_isl_format == ISL_FORMAT_R32_UINT)
601      flags |= VK_FORMAT_FEATURE_STORAGE_IMAGE_ATOMIC_BIT;
602
603   if (flags) {
604      flags |= VK_FORMAT_FEATURE_BLIT_SRC_BIT |
605               VK_FORMAT_FEATURE_BLIT_DST_BIT |
606               VK_FORMAT_FEATURE_TRANSFER_SRC_BIT |
607               VK_FORMAT_FEATURE_TRANSFER_DST_BIT;
608   }
609
610   /* XXX: We handle 3-channel formats by switching them out for RGBX or
611    * RGBA formats behind-the-scenes.  This works fine for textures
612    * because the upload process will fill in the extra channel.
613    * We could also support it for render targets, but it will take
614    * substantially more work and we have enough RGBX formats to handle
615    * what most clients will want.
616    */
617   if (vk_tiling == VK_IMAGE_TILING_OPTIMAL &&
618       base_isl_format != ISL_FORMAT_UNSUPPORTED &&
619       !util_is_power_of_two_or_zero(isl_format_layouts[base_isl_format].bpb) &&
620       isl_format_rgb_to_rgbx(base_isl_format) == ISL_FORMAT_UNSUPPORTED) {
621      flags &= ~VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT;
622      flags &= ~VK_FORMAT_FEATURE_BLIT_DST_BIT;
623   }
624
625   if (anv_format->can_ycbcr) {
626      /* The sampler doesn't have support for mid point when it handles YUV on
627       * its own.
628       */
629      if (isl_format_is_yuv(anv_format->planes[0].isl_format)) {
630         /* TODO: We've disabled linear implicit reconstruction with the
631          * sampler. The failures show a slightly out of range values on the
632          * bottom left of the sampled image.
633          */
634         flags |= VK_FORMAT_FEATURE_MIDPOINT_CHROMA_SAMPLES_BIT;
635      } else {
636         flags |= VK_FORMAT_FEATURE_SAMPLED_IMAGE_YCBCR_CONVERSION_LINEAR_FILTER_BIT |
637                  VK_FORMAT_FEATURE_MIDPOINT_CHROMA_SAMPLES_BIT |
638                  VK_FORMAT_FEATURE_SAMPLED_IMAGE_YCBCR_CONVERSION_SEPARATE_RECONSTRUCTION_FILTER_BIT;
639      }
640
641      /* We can support cosited chroma locations when handle planes with our
642       * own shader snippets.
643       */
644      for (unsigned p = 0; p < anv_format->n_planes; p++) {
645         if (anv_format->planes[p].denominator_scales[0] > 1 ||
646             anv_format->planes[p].denominator_scales[1] > 1) {
647            flags |= VK_FORMAT_FEATURE_COSITED_CHROMA_SAMPLES_BIT;
648            break;
649         }
650      }
651
652      if (anv_format->n_planes > 1)
653         flags |= VK_FORMAT_FEATURE_DISJOINT_BIT;
654
655      const VkFormatFeatureFlags disallowed_ycbcr_image_features =
656         VK_FORMAT_FEATURE_BLIT_SRC_BIT |
657         VK_FORMAT_FEATURE_BLIT_DST_BIT |
658         VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT |
659         VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BLEND_BIT |
660         VK_FORMAT_FEATURE_STORAGE_IMAGE_BIT;
661
662      flags &= ~disallowed_ycbcr_image_features;
663   }
664
665   return flags;
666}
667
668static VkFormatFeatureFlags
669get_buffer_format_features(const struct gen_device_info *devinfo,
670                           VkFormat vk_format,
671                           const struct anv_format *anv_format)
672{
673   VkFormatFeatureFlags flags = 0;
674
675   if (anv_format == NULL)
676      return 0;
677
678   const enum isl_format isl_format = anv_format->planes[0].isl_format;
679
680   if (isl_format == ISL_FORMAT_UNSUPPORTED)
681      return 0;
682
683   if (anv_format->n_planes > 1)
684      return 0;
685
686   if (anv_format->can_ycbcr)
687      return 0;
688
689   if (vk_format_is_depth_or_stencil(vk_format))
690      return 0;
691
692   if (isl_format_supports_sampling(devinfo, isl_format) &&
693       !isl_format_is_compressed(isl_format))
694      flags |= VK_FORMAT_FEATURE_UNIFORM_TEXEL_BUFFER_BIT;
695
696   if (isl_format_supports_vertex_fetch(devinfo, isl_format))
697      flags |= VK_FORMAT_FEATURE_VERTEX_BUFFER_BIT;
698
699   if (isl_is_storage_image_format(isl_format))
700      flags |= VK_FORMAT_FEATURE_STORAGE_TEXEL_BUFFER_BIT;
701
702   if (isl_format == ISL_FORMAT_R32_SINT || isl_format == ISL_FORMAT_R32_UINT)
703      flags |= VK_FORMAT_FEATURE_STORAGE_TEXEL_BUFFER_ATOMIC_BIT;
704
705   return flags;
706}
707
708static void
709get_wsi_format_modifier_properties_list(const struct anv_physical_device *physical_device,
710                                        VkFormat vk_format,
711                                        struct wsi_format_modifier_properties_list *list)
712{
713   const struct anv_format *anv_format = anv_get_format(vk_format);
714
715   VK_OUTARRAY_MAKE(out, list->modifier_properties, &list->modifier_count);
716
717   /* This is a simplified list where all the modifiers are available */
718   assert(vk_format == VK_FORMAT_B8G8R8_SRGB ||
719          vk_format == VK_FORMAT_B8G8R8_UNORM ||
720          vk_format == VK_FORMAT_B8G8R8A8_SRGB ||
721          vk_format == VK_FORMAT_B8G8R8A8_UNORM);
722
723   uint64_t modifiers[] = {
724      DRM_FORMAT_MOD_LINEAR,
725      I915_FORMAT_MOD_X_TILED,
726      I915_FORMAT_MOD_Y_TILED,
727      I915_FORMAT_MOD_Y_TILED_CCS,
728   };
729
730   for (uint32_t i = 0; i < ARRAY_SIZE(modifiers); i++) {
731      const struct isl_drm_modifier_info *mod_info =
732         isl_drm_modifier_get_info(modifiers[i]);
733
734      if (mod_info->aux_usage == ISL_AUX_USAGE_CCS_E &&
735          !isl_format_supports_ccs_e(&physical_device->info,
736                                     anv_format->planes[0].isl_format))
737         continue;
738
739      vk_outarray_append(&out, mod_props) {
740         mod_props->modifier = modifiers[i];
741         if (isl_drm_modifier_has_aux(modifiers[i]))
742            mod_props->modifier_plane_count = 2;
743         else
744            mod_props->modifier_plane_count = anv_format->n_planes;
745      }
746   }
747}
748
749void anv_GetPhysicalDeviceFormatProperties(
750    VkPhysicalDevice                            physicalDevice,
751    VkFormat                                    vk_format,
752    VkFormatProperties*                         pFormatProperties)
753{
754   ANV_FROM_HANDLE(anv_physical_device, physical_device, physicalDevice);
755   const struct gen_device_info *devinfo = &physical_device->info;
756   const struct anv_format *anv_format = anv_get_format(vk_format);
757
758   *pFormatProperties = (VkFormatProperties) {
759      .linearTilingFeatures =
760         anv_get_image_format_features(devinfo, vk_format, anv_format,
761                                       VK_IMAGE_TILING_LINEAR),
762      .optimalTilingFeatures =
763         anv_get_image_format_features(devinfo, vk_format, anv_format,
764                                       VK_IMAGE_TILING_OPTIMAL),
765      .bufferFeatures =
766         get_buffer_format_features(devinfo, vk_format, anv_format),
767   };
768}
769
770void anv_GetPhysicalDeviceFormatProperties2(
771    VkPhysicalDevice                            physicalDevice,
772    VkFormat                                    format,
773    VkFormatProperties2*                        pFormatProperties)
774{
775   ANV_FROM_HANDLE(anv_physical_device, physical_device, physicalDevice);
776   anv_GetPhysicalDeviceFormatProperties(physicalDevice, format,
777                                         &pFormatProperties->formatProperties);
778
779   vk_foreach_struct(ext, pFormatProperties->pNext) {
780      /* Use unsigned since some cases are not in the VkStructureType enum. */
781      switch ((unsigned)ext->sType) {
782      case VK_STRUCTURE_TYPE_WSI_FORMAT_MODIFIER_PROPERTIES_LIST_MESA:
783         get_wsi_format_modifier_properties_list(physical_device, format,
784                                                 (void *)ext);
785         break;
786      default:
787         anv_debug_ignored_stype(ext->sType);
788         break;
789      }
790   }
791}
792
793static VkResult
794anv_get_image_format_properties(
795   struct anv_physical_device *physical_device,
796   const VkPhysicalDeviceImageFormatInfo2 *info,
797   VkImageFormatProperties *pImageFormatProperties,
798   VkSamplerYcbcrConversionImageFormatProperties *pYcbcrImageFormatProperties)
799{
800   VkFormatFeatureFlags format_feature_flags;
801   VkExtent3D maxExtent;
802   uint32_t maxMipLevels;
803   uint32_t maxArraySize;
804   VkSampleCountFlags sampleCounts = VK_SAMPLE_COUNT_1_BIT;
805   const struct gen_device_info *devinfo = &physical_device->info;
806   const struct anv_format *format = anv_get_format(info->format);
807
808   if (format == NULL)
809      goto unsupported;
810
811   assert(format->vk_format == info->format);
812   format_feature_flags = anv_get_image_format_features(devinfo, info->format,
813                                                        format, info->tiling);
814
815   switch (info->type) {
816   default:
817      unreachable("bad VkImageType");
818   case VK_IMAGE_TYPE_1D:
819      maxExtent.width = 16384;
820      maxExtent.height = 1;
821      maxExtent.depth = 1;
822      maxMipLevels = 15; /* log2(maxWidth) + 1 */
823      maxArraySize = 2048;
824      sampleCounts = VK_SAMPLE_COUNT_1_BIT;
825      break;
826   case VK_IMAGE_TYPE_2D:
827      /* FINISHME: Does this really differ for cube maps? The documentation
828       * for RENDER_SURFACE_STATE suggests so.
829       */
830      maxExtent.width = 16384;
831      maxExtent.height = 16384;
832      maxExtent.depth = 1;
833      maxMipLevels = 15; /* log2(maxWidth) + 1 */
834      maxArraySize = 2048;
835      break;
836   case VK_IMAGE_TYPE_3D:
837      maxExtent.width = 2048;
838      maxExtent.height = 2048;
839      maxExtent.depth = 2048;
840      maxMipLevels = 12; /* log2(maxWidth) + 1 */
841      maxArraySize = 1;
842      break;
843   }
844
845   /* Our hardware doesn't support 1D compressed textures.
846    *    From the SKL PRM, RENDER_SURFACE_STATE::SurfaceFormat:
847    *    * This field cannot be a compressed (BC*, DXT*, FXT*, ETC*, EAC*) format
848    *       if the Surface Type is SURFTYPE_1D.
849    *    * This field cannot be ASTC format if the Surface Type is SURFTYPE_1D.
850    */
851   if (info->type == VK_IMAGE_TYPE_1D &&
852       isl_format_is_compressed(format->planes[0].isl_format)) {
853       goto unsupported;
854   }
855
856   if (info->tiling == VK_IMAGE_TILING_OPTIMAL &&
857       info->type == VK_IMAGE_TYPE_2D &&
858       (format_feature_flags & (VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT |
859                                VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT)) &&
860       !(info->flags & VK_IMAGE_CREATE_CUBE_COMPATIBLE_BIT) &&
861       !(info->usage & VK_IMAGE_USAGE_STORAGE_BIT)) {
862      sampleCounts = isl_device_get_sample_counts(&physical_device->isl_dev);
863   }
864
865   if (info->usage & (VK_IMAGE_USAGE_TRANSFER_SRC_BIT |
866                      VK_IMAGE_USAGE_TRANSFER_DST_BIT)) {
867      /* Accept transfers on anything we can sample from or renderer to. */
868      if (!(format_feature_flags & (VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT |
869                                    VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT |
870                                    VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT))) {
871         goto unsupported;
872      }
873   }
874
875   if (info->usage & VK_IMAGE_USAGE_SAMPLED_BIT) {
876      if (!(format_feature_flags & VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT)) {
877         goto unsupported;
878      }
879   }
880
881   if (info->usage & VK_IMAGE_USAGE_STORAGE_BIT) {
882      if (!(format_feature_flags & VK_FORMAT_FEATURE_STORAGE_IMAGE_BIT)) {
883         goto unsupported;
884      }
885   }
886
887   if (info->usage & VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT) {
888      if (!(format_feature_flags & VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT)) {
889         goto unsupported;
890      }
891   }
892
893   if (info->usage & VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT) {
894      if (!(format_feature_flags & VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT)) {
895         goto unsupported;
896      }
897   }
898
899   if (info->usage & VK_IMAGE_USAGE_TRANSIENT_ATTACHMENT_BIT) {
900      /* Nothing to check. */
901   }
902
903   if (info->usage & VK_IMAGE_USAGE_INPUT_ATTACHMENT_BIT) {
904      /* Ignore this flag because it was removed from the
905       * provisional_I_20150910 header.
906       */
907   }
908
909   /* From the bspec section entitled "Surface Layout and Tiling",
910    * pre-gen9 has a 2 GB limitation of the size in bytes,
911    * gen9 and gen10 have a 256 GB limitation and gen11+
912    * has a 16 TB limitation.
913    */
914   uint64_t maxResourceSize = 0;
915   if (devinfo->gen < 9)
916      maxResourceSize = (uint64_t) 1 << 31;
917   else if (devinfo->gen < 11)
918      maxResourceSize = (uint64_t) 1 << 38;
919   else
920      maxResourceSize = (uint64_t) 1 << 44;
921
922   *pImageFormatProperties = (VkImageFormatProperties) {
923      .maxExtent = maxExtent,
924      .maxMipLevels = maxMipLevels,
925      .maxArrayLayers = maxArraySize,
926      .sampleCounts = sampleCounts,
927
928      /* FINISHME: Accurately calculate
929       * VkImageFormatProperties::maxResourceSize.
930       */
931      .maxResourceSize = maxResourceSize,
932   };
933
934   if (pYcbcrImageFormatProperties) {
935      pYcbcrImageFormatProperties->combinedImageSamplerDescriptorCount =
936         format->n_planes;
937   }
938
939   return VK_SUCCESS;
940
941unsupported:
942   *pImageFormatProperties = (VkImageFormatProperties) {
943      .maxExtent = { 0, 0, 0 },
944      .maxMipLevels = 0,
945      .maxArrayLayers = 0,
946      .sampleCounts = 0,
947      .maxResourceSize = 0,
948   };
949
950   return VK_ERROR_FORMAT_NOT_SUPPORTED;
951}
952
953VkResult anv_GetPhysicalDeviceImageFormatProperties(
954    VkPhysicalDevice                            physicalDevice,
955    VkFormat                                    format,
956    VkImageType                                 type,
957    VkImageTiling                               tiling,
958    VkImageUsageFlags                           usage,
959    VkImageCreateFlags                          createFlags,
960    VkImageFormatProperties*                    pImageFormatProperties)
961{
962   ANV_FROM_HANDLE(anv_physical_device, physical_device, physicalDevice);
963
964   const VkPhysicalDeviceImageFormatInfo2 info = {
965      .sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_IMAGE_FORMAT_INFO_2,
966      .pNext = NULL,
967      .format = format,
968      .type = type,
969      .tiling = tiling,
970      .usage = usage,
971      .flags = createFlags,
972   };
973
974   return anv_get_image_format_properties(physical_device, &info,
975                                          pImageFormatProperties, NULL);
976}
977
978static const VkExternalMemoryProperties prime_fd_props = {
979   /* If we can handle external, then we can both import and export it. */
980   .externalMemoryFeatures = VK_EXTERNAL_MEMORY_FEATURE_EXPORTABLE_BIT |
981                             VK_EXTERNAL_MEMORY_FEATURE_IMPORTABLE_BIT,
982   /* For the moment, let's not support mixing and matching */
983   .exportFromImportedHandleTypes =
984      VK_EXTERNAL_MEMORY_HANDLE_TYPE_OPAQUE_FD_BIT |
985      VK_EXTERNAL_MEMORY_HANDLE_TYPE_DMA_BUF_BIT_EXT,
986   .compatibleHandleTypes =
987      VK_EXTERNAL_MEMORY_HANDLE_TYPE_OPAQUE_FD_BIT |
988      VK_EXTERNAL_MEMORY_HANDLE_TYPE_DMA_BUF_BIT_EXT,
989};
990
991static const VkExternalMemoryProperties userptr_props = {
992   .externalMemoryFeatures = VK_EXTERNAL_MEMORY_FEATURE_IMPORTABLE_BIT,
993   .exportFromImportedHandleTypes = 0,
994   .compatibleHandleTypes =
995      VK_EXTERNAL_MEMORY_HANDLE_TYPE_HOST_ALLOCATION_BIT_EXT,
996};
997
998static const VkExternalMemoryProperties android_buffer_props = {
999   .externalMemoryFeatures = VK_EXTERNAL_MEMORY_FEATURE_EXPORTABLE_BIT |
1000                             VK_EXTERNAL_MEMORY_FEATURE_IMPORTABLE_BIT,
1001   .exportFromImportedHandleTypes =
1002      VK_EXTERNAL_MEMORY_HANDLE_TYPE_ANDROID_HARDWARE_BUFFER_BIT_ANDROID,
1003   .compatibleHandleTypes =
1004      VK_EXTERNAL_MEMORY_HANDLE_TYPE_ANDROID_HARDWARE_BUFFER_BIT_ANDROID,
1005};
1006
1007
1008static const VkExternalMemoryProperties android_image_props = {
1009   .externalMemoryFeatures = VK_EXTERNAL_MEMORY_FEATURE_EXPORTABLE_BIT |
1010                             VK_EXTERNAL_MEMORY_FEATURE_IMPORTABLE_BIT |
1011                             VK_EXTERNAL_MEMORY_FEATURE_DEDICATED_ONLY_BIT,
1012   .exportFromImportedHandleTypes =
1013      VK_EXTERNAL_MEMORY_HANDLE_TYPE_ANDROID_HARDWARE_BUFFER_BIT_ANDROID,
1014   .compatibleHandleTypes =
1015      VK_EXTERNAL_MEMORY_HANDLE_TYPE_ANDROID_HARDWARE_BUFFER_BIT_ANDROID,
1016};
1017
1018VkResult anv_GetPhysicalDeviceImageFormatProperties2(
1019    VkPhysicalDevice                            physicalDevice,
1020    const VkPhysicalDeviceImageFormatInfo2*     base_info,
1021    VkImageFormatProperties2*                   base_props)
1022{
1023   ANV_FROM_HANDLE(anv_physical_device, physical_device, physicalDevice);
1024   const VkPhysicalDeviceExternalImageFormatInfo *external_info = NULL;
1025   VkExternalImageFormatProperties *external_props = NULL;
1026   VkSamplerYcbcrConversionImageFormatProperties *ycbcr_props = NULL;
1027   struct VkAndroidHardwareBufferUsageANDROID *android_usage = NULL;
1028   VkResult result;
1029
1030   /* Extract input structs */
1031   vk_foreach_struct_const(s, base_info->pNext) {
1032      switch (s->sType) {
1033      case VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_EXTERNAL_IMAGE_FORMAT_INFO:
1034         external_info = (const void *) s;
1035         break;
1036      default:
1037         anv_debug_ignored_stype(s->sType);
1038         break;
1039      }
1040   }
1041
1042   /* Extract output structs */
1043   vk_foreach_struct(s, base_props->pNext) {
1044      switch (s->sType) {
1045      case VK_STRUCTURE_TYPE_EXTERNAL_IMAGE_FORMAT_PROPERTIES:
1046         external_props = (void *) s;
1047         break;
1048      case VK_STRUCTURE_TYPE_SAMPLER_YCBCR_CONVERSION_IMAGE_FORMAT_PROPERTIES:
1049         ycbcr_props = (void *) s;
1050         break;
1051      case VK_STRUCTURE_TYPE_ANDROID_HARDWARE_BUFFER_USAGE_ANDROID:
1052         android_usage = (void *) s;
1053         break;
1054      default:
1055         anv_debug_ignored_stype(s->sType);
1056         break;
1057      }
1058   }
1059
1060   result = anv_get_image_format_properties(physical_device, base_info,
1061               &base_props->imageFormatProperties, ycbcr_props);
1062   if (result != VK_SUCCESS)
1063      goto fail;
1064
1065   bool ahw_supported =
1066      physical_device->supported_extensions.ANDROID_external_memory_android_hardware_buffer;
1067
1068   if (ahw_supported && android_usage) {
1069      android_usage->androidHardwareBufferUsage =
1070         anv_ahw_usage_from_vk_usage(base_info->flags,
1071                                     base_info->usage);
1072
1073      /* Limit maxArrayLayers to 1 for AHardwareBuffer based images for now. */
1074      base_props->imageFormatProperties.maxArrayLayers = 1;
1075   }
1076
1077   /* From the Vulkan 1.0.42 spec:
1078    *
1079    *    If handleType is 0, vkGetPhysicalDeviceImageFormatProperties2 will
1080    *    behave as if VkPhysicalDeviceExternalImageFormatInfo was not
1081    *    present and VkExternalImageFormatProperties will be ignored.
1082    */
1083   if (external_info && external_info->handleType != 0) {
1084      switch (external_info->handleType) {
1085      case VK_EXTERNAL_MEMORY_HANDLE_TYPE_OPAQUE_FD_BIT:
1086      case VK_EXTERNAL_MEMORY_HANDLE_TYPE_DMA_BUF_BIT_EXT:
1087         if (external_props)
1088            external_props->externalMemoryProperties = prime_fd_props;
1089         break;
1090      case VK_EXTERNAL_MEMORY_HANDLE_TYPE_HOST_ALLOCATION_BIT_EXT:
1091         if (external_props)
1092            external_props->externalMemoryProperties = userptr_props;
1093         break;
1094      case VK_EXTERNAL_MEMORY_HANDLE_TYPE_ANDROID_HARDWARE_BUFFER_BIT_ANDROID:
1095         if (ahw_supported && external_props) {
1096            external_props->externalMemoryProperties = android_image_props;
1097            break;
1098         }
1099      /* fallthrough if ahw not supported */
1100      default:
1101         /* From the Vulkan 1.0.42 spec:
1102          *
1103          *    If handleType is not compatible with the [parameters] specified
1104          *    in VkPhysicalDeviceImageFormatInfo2, then
1105          *    vkGetPhysicalDeviceImageFormatProperties2 returns
1106          *    VK_ERROR_FORMAT_NOT_SUPPORTED.
1107          */
1108         result = vk_errorf(physical_device->instance, physical_device,
1109                            VK_ERROR_FORMAT_NOT_SUPPORTED,
1110                            "unsupported VkExternalMemoryTypeFlagBits 0x%x",
1111                            external_info->handleType);
1112         goto fail;
1113      }
1114   }
1115
1116   return VK_SUCCESS;
1117
1118 fail:
1119   if (result == VK_ERROR_FORMAT_NOT_SUPPORTED) {
1120      /* From the Vulkan 1.0.42 spec:
1121       *
1122       *    If the combination of parameters to
1123       *    vkGetPhysicalDeviceImageFormatProperties2 is not supported by
1124       *    the implementation for use in vkCreateImage, then all members of
1125       *    imageFormatProperties will be filled with zero.
1126       */
1127      base_props->imageFormatProperties = (VkImageFormatProperties) {};
1128   }
1129
1130   return result;
1131}
1132
1133void anv_GetPhysicalDeviceSparseImageFormatProperties(
1134    VkPhysicalDevice                            physicalDevice,
1135    VkFormat                                    format,
1136    VkImageType                                 type,
1137    uint32_t                                    samples,
1138    VkImageUsageFlags                           usage,
1139    VkImageTiling                               tiling,
1140    uint32_t*                                   pNumProperties,
1141    VkSparseImageFormatProperties*              pProperties)
1142{
1143   /* Sparse images are not yet supported. */
1144   *pNumProperties = 0;
1145}
1146
1147void anv_GetPhysicalDeviceSparseImageFormatProperties2(
1148    VkPhysicalDevice                            physicalDevice,
1149    const VkPhysicalDeviceSparseImageFormatInfo2* pFormatInfo,
1150    uint32_t*                                   pPropertyCount,
1151    VkSparseImageFormatProperties2*             pProperties)
1152{
1153   /* Sparse images are not yet supported. */
1154   *pPropertyCount = 0;
1155}
1156
1157void anv_GetPhysicalDeviceExternalBufferProperties(
1158    VkPhysicalDevice                             physicalDevice,
1159    const VkPhysicalDeviceExternalBufferInfo*    pExternalBufferInfo,
1160    VkExternalBufferProperties*                  pExternalBufferProperties)
1161{
1162   /* The Vulkan 1.0.42 spec says "handleType must be a valid
1163    * VkExternalMemoryHandleTypeFlagBits value" in
1164    * VkPhysicalDeviceExternalBufferInfo. This differs from
1165    * VkPhysicalDeviceExternalImageFormatInfo, which surprisingly permits
1166    * handleType == 0.
1167    */
1168   assert(pExternalBufferInfo->handleType != 0);
1169
1170   /* All of the current flags are for sparse which we don't support yet.
1171    * Even when we do support it, doing sparse on external memory sounds
1172    * sketchy.  Also, just disallowing flags is the safe option.
1173    */
1174   if (pExternalBufferInfo->flags)
1175      goto unsupported;
1176
1177   ANV_FROM_HANDLE(anv_physical_device, physical_device, physicalDevice);
1178
1179   switch (pExternalBufferInfo->handleType) {
1180   case VK_EXTERNAL_MEMORY_HANDLE_TYPE_OPAQUE_FD_BIT:
1181   case VK_EXTERNAL_MEMORY_HANDLE_TYPE_DMA_BUF_BIT_EXT:
1182      pExternalBufferProperties->externalMemoryProperties = prime_fd_props;
1183      return;
1184   case VK_EXTERNAL_MEMORY_HANDLE_TYPE_HOST_ALLOCATION_BIT_EXT:
1185      pExternalBufferProperties->externalMemoryProperties = userptr_props;
1186      return;
1187   case VK_EXTERNAL_MEMORY_HANDLE_TYPE_ANDROID_HARDWARE_BUFFER_BIT_ANDROID:
1188      if (physical_device->supported_extensions.ANDROID_external_memory_android_hardware_buffer) {
1189         pExternalBufferProperties->externalMemoryProperties = android_buffer_props;
1190         return;
1191      }
1192      /* fallthrough if ahw not supported */
1193   default:
1194      goto unsupported;
1195   }
1196
1197 unsupported:
1198   /* From the Vulkan 1.1.113 spec:
1199    *
1200    *    compatibleHandleTypes must include at least handleType.
1201    */
1202   pExternalBufferProperties->externalMemoryProperties =
1203      (VkExternalMemoryProperties) {
1204         .compatibleHandleTypes = pExternalBufferInfo->handleType,
1205      };
1206}
1207
1208VkResult anv_CreateSamplerYcbcrConversion(
1209    VkDevice                                    _device,
1210    const VkSamplerYcbcrConversionCreateInfo*   pCreateInfo,
1211    const VkAllocationCallbacks*                pAllocator,
1212    VkSamplerYcbcrConversion*                   pYcbcrConversion)
1213{
1214   ANV_FROM_HANDLE(anv_device, device, _device);
1215   struct anv_ycbcr_conversion *conversion;
1216
1217   /* Search for VkExternalFormatANDROID and resolve the format. */
1218   struct anv_format *ext_format = NULL;
1219   const struct VkExternalFormatANDROID *ext_info =
1220      vk_find_struct_const(pCreateInfo->pNext, EXTERNAL_FORMAT_ANDROID);
1221
1222   uint64_t format = ext_info ? ext_info->externalFormat : 0;
1223   if (format) {
1224      assert(pCreateInfo->format == VK_FORMAT_UNDEFINED);
1225      ext_format = (struct anv_format *) (uintptr_t) format;
1226   }
1227
1228   assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_SAMPLER_YCBCR_CONVERSION_CREATE_INFO);
1229
1230   conversion = vk_alloc2(&device->alloc, pAllocator, sizeof(*conversion), 8,
1231                          VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
1232   if (!conversion)
1233      return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
1234
1235   memset(conversion, 0, sizeof(*conversion));
1236
1237   conversion->format = anv_get_format(pCreateInfo->format);
1238   conversion->ycbcr_model = pCreateInfo->ycbcrModel;
1239   conversion->ycbcr_range = pCreateInfo->ycbcrRange;
1240
1241   /* The Vulkan 1.1.95 spec says "When creating an external format conversion,
1242    * the value of components if ignored."
1243    */
1244   if (!ext_format) {
1245      conversion->mapping[0] = pCreateInfo->components.r;
1246      conversion->mapping[1] = pCreateInfo->components.g;
1247      conversion->mapping[2] = pCreateInfo->components.b;
1248      conversion->mapping[3] = pCreateInfo->components.a;
1249   }
1250
1251   conversion->chroma_offsets[0] = pCreateInfo->xChromaOffset;
1252   conversion->chroma_offsets[1] = pCreateInfo->yChromaOffset;
1253   conversion->chroma_filter = pCreateInfo->chromaFilter;
1254
1255   /* Setup external format. */
1256   if (ext_format)
1257      conversion->format = ext_format;
1258
1259   bool has_chroma_subsampled = false;
1260   for (uint32_t p = 0; p < conversion->format->n_planes; p++) {
1261      if (conversion->format->planes[p].has_chroma &&
1262          (conversion->format->planes[p].denominator_scales[0] > 1 ||
1263           conversion->format->planes[p].denominator_scales[1] > 1))
1264         has_chroma_subsampled = true;
1265   }
1266   conversion->chroma_reconstruction = has_chroma_subsampled &&
1267      (conversion->chroma_offsets[0] == VK_CHROMA_LOCATION_COSITED_EVEN ||
1268       conversion->chroma_offsets[1] == VK_CHROMA_LOCATION_COSITED_EVEN);
1269
1270   *pYcbcrConversion = anv_ycbcr_conversion_to_handle(conversion);
1271
1272   return VK_SUCCESS;
1273}
1274
1275void anv_DestroySamplerYcbcrConversion(
1276    VkDevice                                    _device,
1277    VkSamplerYcbcrConversion                    YcbcrConversion,
1278    const VkAllocationCallbacks*                pAllocator)
1279{
1280   ANV_FROM_HANDLE(anv_device, device, _device);
1281   ANV_FROM_HANDLE(anv_ycbcr_conversion, conversion, YcbcrConversion);
1282
1283   if (!conversion)
1284      return;
1285
1286   vk_free2(&device->alloc, pAllocator, conversion);
1287}
1288