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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_defines.h"
27 #include "vk_enum_to_str.h"
28 #include "vk_format.h"
29 #include "vk_util.h"
30 
31 /*
32  * gcc-4 and earlier don't allow compound literals where a constant
33  * is required in -std=c99/gnu99 mode, so we can't use ISL_SWIZZLE()
34  * here. -std=c89/gnu89 would allow it, but we depend on c99 features
35  * so using -std=c89/gnu89 is not an option. Starting from gcc-5
36  * compound literals can also be considered constant in -std=c99/gnu99
37  * mode.
38  */
39 #define _ISL_SWIZZLE(r, g, b, a) { \
40       ISL_CHANNEL_SELECT_##r, \
41       ISL_CHANNEL_SELECT_##g, \
42       ISL_CHANNEL_SELECT_##b, \
43       ISL_CHANNEL_SELECT_##a, \
44 }
45 
46 #define RGBA _ISL_SWIZZLE(RED, GREEN, BLUE, ALPHA)
47 #define BGRA _ISL_SWIZZLE(BLUE, GREEN, RED, ALPHA)
48 #define RGB1 _ISL_SWIZZLE(RED, GREEN, BLUE, ONE)
49 
50 #define swiz_fmt1(__vk_fmt, __hw_fmt, __swizzle) \
51    [VK_ENUM_OFFSET(__vk_fmt)] = { \
52       .planes = { \
53          { .isl_format = __hw_fmt, .swizzle = __swizzle, \
54            .denominator_scales = { 1, 1, }, \
55            .aspect = VK_IMAGE_ASPECT_COLOR_BIT, \
56          }, \
57       }, \
58       .vk_format = __vk_fmt, \
59       .n_planes = 1, \
60    }
61 
62 #define fmt1(__vk_fmt, __hw_fmt) \
63    swiz_fmt1(__vk_fmt, __hw_fmt, RGBA)
64 
65 #define d_fmt(__vk_fmt, __hw_fmt) \
66    [VK_ENUM_OFFSET(__vk_fmt)] = { \
67       .planes = { \
68          { .isl_format = __hw_fmt, .swizzle = RGBA, \
69            .denominator_scales = { 1, 1, }, \
70            .aspect = VK_IMAGE_ASPECT_DEPTH_BIT, \
71          }, \
72       }, \
73       .vk_format = __vk_fmt, \
74       .n_planes = 1, \
75    }
76 
77 #define s_fmt(__vk_fmt, __hw_fmt) \
78    [VK_ENUM_OFFSET(__vk_fmt)] = { \
79       .planes = { \
80          { .isl_format = __hw_fmt, .swizzle = RGBA, \
81            .denominator_scales = { 1, 1, }, \
82            .aspect = VK_IMAGE_ASPECT_STENCIL_BIT, \
83          }, \
84       }, \
85       .vk_format = __vk_fmt, \
86       .n_planes = 1, \
87    }
88 
89 #define ds_fmt2(__vk_fmt, __fmt1, __fmt2) \
90    [VK_ENUM_OFFSET(__vk_fmt)] = { \
91       .planes = { \
92          { .isl_format = __fmt1, .swizzle = RGBA, \
93            .denominator_scales = { 1, 1, }, \
94            .aspect = VK_IMAGE_ASPECT_DEPTH_BIT, \
95          }, \
96          { .isl_format = __fmt2, .swizzle = RGBA, \
97            .denominator_scales = { 1, 1, }, \
98            .aspect = VK_IMAGE_ASPECT_STENCIL_BIT, \
99          }, \
100       }, \
101       .vk_format = __vk_fmt, \
102       .n_planes = 2, \
103    }
104 
105 #define fmt_unsupported(__vk_fmt) \
106    [VK_ENUM_OFFSET(__vk_fmt)] = { \
107       .planes = { \
108          { .isl_format = ISL_FORMAT_UNSUPPORTED, }, \
109       }, \
110       .vk_format = VK_FORMAT_UNDEFINED, \
111    }
112 
113 #define y_plane(__plane, __hw_fmt, __swizzle, __ycbcr_swizzle, dhs, dvs) \
114    { .isl_format = __hw_fmt, \
115      .swizzle = __swizzle, \
116      .ycbcr_swizzle = __ycbcr_swizzle, \
117      .denominator_scales = { dhs, dvs, }, \
118      .has_chroma = false, \
119      .aspect = VK_IMAGE_ASPECT_PLANE_0_BIT, /* Y plane is always plane 0 */ \
120    }
121 
122 #define chroma_plane(__plane, __hw_fmt, __swizzle, __ycbcr_swizzle, dhs, dvs) \
123    { .isl_format = __hw_fmt, \
124      .swizzle = __swizzle, \
125      .ycbcr_swizzle = __ycbcr_swizzle, \
126      .denominator_scales = { dhs, dvs, }, \
127      .has_chroma = true, \
128      .aspect = VK_IMAGE_ASPECT_PLANE_ ## __plane ## _BIT, \
129    }
130 
131 #define ycbcr_fmt(__vk_fmt, __n_planes, ...) \
132    [VK_ENUM_OFFSET(__vk_fmt)] = { \
133       .planes = { \
134          __VA_ARGS__, \
135       }, \
136       .vk_format = __vk_fmt, \
137       .n_planes = __n_planes, \
138       .can_ycbcr = true, \
139    }
140 
141 /* HINT: For array formats, the ISL name should match the VK name.  For
142  * packed formats, they should have the channels in reverse order from each
143  * other.  The reason for this is that, for packed formats, the ISL (and
144  * bspec) names are in LSB -> MSB order while VK formats are MSB -> LSB.
145  */
146 static const struct anv_format main_formats[] = {
147    fmt_unsupported(VK_FORMAT_UNDEFINED),
148    fmt_unsupported(VK_FORMAT_R4G4_UNORM_PACK8),
149    fmt1(VK_FORMAT_R4G4B4A4_UNORM_PACK16,             ISL_FORMAT_A4B4G4R4_UNORM),
150    swiz_fmt1(VK_FORMAT_B4G4R4A4_UNORM_PACK16,        ISL_FORMAT_A4B4G4R4_UNORM,  BGRA),
151    fmt1(VK_FORMAT_R5G6B5_UNORM_PACK16,               ISL_FORMAT_B5G6R5_UNORM),
152    swiz_fmt1(VK_FORMAT_B5G6R5_UNORM_PACK16,          ISL_FORMAT_B5G6R5_UNORM, BGRA),
153    fmt1(VK_FORMAT_R5G5B5A1_UNORM_PACK16,             ISL_FORMAT_A1B5G5R5_UNORM),
154    swiz_fmt1(VK_FORMAT_B5G5R5A1_UNORM_PACK16,        ISL_FORMAT_A1B5G5R5_UNORM, BGRA),
155    fmt1(VK_FORMAT_A1R5G5B5_UNORM_PACK16,             ISL_FORMAT_B5G5R5A1_UNORM),
156    fmt1(VK_FORMAT_R8_UNORM,                          ISL_FORMAT_R8_UNORM),
157    fmt1(VK_FORMAT_R8_SNORM,                          ISL_FORMAT_R8_SNORM),
158    fmt1(VK_FORMAT_R8_USCALED,                        ISL_FORMAT_R8_USCALED),
159    fmt1(VK_FORMAT_R8_SSCALED,                        ISL_FORMAT_R8_SSCALED),
160    fmt1(VK_FORMAT_R8_UINT,                           ISL_FORMAT_R8_UINT),
161    fmt1(VK_FORMAT_R8_SINT,                           ISL_FORMAT_R8_SINT),
162    swiz_fmt1(VK_FORMAT_R8_SRGB,                      ISL_FORMAT_L8_UNORM_SRGB,
163                                                      _ISL_SWIZZLE(RED, ZERO, ZERO, ONE)),
164    fmt1(VK_FORMAT_R8G8_UNORM,                        ISL_FORMAT_R8G8_UNORM),
165    fmt1(VK_FORMAT_R8G8_SNORM,                        ISL_FORMAT_R8G8_SNORM),
166    fmt1(VK_FORMAT_R8G8_USCALED,                      ISL_FORMAT_R8G8_USCALED),
167    fmt1(VK_FORMAT_R8G8_SSCALED,                      ISL_FORMAT_R8G8_SSCALED),
168    fmt1(VK_FORMAT_R8G8_UINT,                         ISL_FORMAT_R8G8_UINT),
169    fmt1(VK_FORMAT_R8G8_SINT,                         ISL_FORMAT_R8G8_SINT),
170    fmt_unsupported(VK_FORMAT_R8G8_SRGB),             /* L8A8_UNORM_SRGB */
171    fmt1(VK_FORMAT_R8G8B8_UNORM,                      ISL_FORMAT_R8G8B8_UNORM),
172    fmt1(VK_FORMAT_R8G8B8_SNORM,                      ISL_FORMAT_R8G8B8_SNORM),
173    fmt1(VK_FORMAT_R8G8B8_USCALED,                    ISL_FORMAT_R8G8B8_USCALED),
174    fmt1(VK_FORMAT_R8G8B8_SSCALED,                    ISL_FORMAT_R8G8B8_SSCALED),
175    fmt1(VK_FORMAT_R8G8B8_UINT,                       ISL_FORMAT_R8G8B8_UINT),
176    fmt1(VK_FORMAT_R8G8B8_SINT,                       ISL_FORMAT_R8G8B8_SINT),
177    fmt1(VK_FORMAT_R8G8B8_SRGB,                       ISL_FORMAT_R8G8B8_UNORM_SRGB),
178    fmt1(VK_FORMAT_R8G8B8A8_UNORM,                    ISL_FORMAT_R8G8B8A8_UNORM),
179    fmt1(VK_FORMAT_R8G8B8A8_SNORM,                    ISL_FORMAT_R8G8B8A8_SNORM),
180    fmt1(VK_FORMAT_R8G8B8A8_USCALED,                  ISL_FORMAT_R8G8B8A8_USCALED),
181    fmt1(VK_FORMAT_R8G8B8A8_SSCALED,                  ISL_FORMAT_R8G8B8A8_SSCALED),
182    fmt1(VK_FORMAT_R8G8B8A8_UINT,                     ISL_FORMAT_R8G8B8A8_UINT),
183    fmt1(VK_FORMAT_R8G8B8A8_SINT,                     ISL_FORMAT_R8G8B8A8_SINT),
184    fmt1(VK_FORMAT_R8G8B8A8_SRGB,                     ISL_FORMAT_R8G8B8A8_UNORM_SRGB),
185    fmt1(VK_FORMAT_A8B8G8R8_UNORM_PACK32,             ISL_FORMAT_R8G8B8A8_UNORM),
186    fmt1(VK_FORMAT_A8B8G8R8_SNORM_PACK32,             ISL_FORMAT_R8G8B8A8_SNORM),
187    fmt1(VK_FORMAT_A8B8G8R8_USCALED_PACK32,           ISL_FORMAT_R8G8B8A8_USCALED),
188    fmt1(VK_FORMAT_A8B8G8R8_SSCALED_PACK32,           ISL_FORMAT_R8G8B8A8_SSCALED),
189    fmt1(VK_FORMAT_A8B8G8R8_UINT_PACK32,              ISL_FORMAT_R8G8B8A8_UINT),
190    fmt1(VK_FORMAT_A8B8G8R8_SINT_PACK32,              ISL_FORMAT_R8G8B8A8_SINT),
191    fmt1(VK_FORMAT_A8B8G8R8_SRGB_PACK32,              ISL_FORMAT_R8G8B8A8_UNORM_SRGB),
192    fmt1(VK_FORMAT_A2R10G10B10_UNORM_PACK32,          ISL_FORMAT_B10G10R10A2_UNORM),
193    fmt1(VK_FORMAT_A2R10G10B10_SNORM_PACK32,          ISL_FORMAT_B10G10R10A2_SNORM),
194    fmt1(VK_FORMAT_A2R10G10B10_USCALED_PACK32,        ISL_FORMAT_B10G10R10A2_USCALED),
195    fmt1(VK_FORMAT_A2R10G10B10_SSCALED_PACK32,        ISL_FORMAT_B10G10R10A2_SSCALED),
196    fmt1(VK_FORMAT_A2R10G10B10_UINT_PACK32,           ISL_FORMAT_B10G10R10A2_UINT),
197    fmt1(VK_FORMAT_A2R10G10B10_SINT_PACK32,           ISL_FORMAT_B10G10R10A2_SINT),
198    fmt1(VK_FORMAT_A2B10G10R10_UNORM_PACK32,          ISL_FORMAT_R10G10B10A2_UNORM),
199    fmt1(VK_FORMAT_A2B10G10R10_SNORM_PACK32,          ISL_FORMAT_R10G10B10A2_SNORM),
200    fmt1(VK_FORMAT_A2B10G10R10_USCALED_PACK32,        ISL_FORMAT_R10G10B10A2_USCALED),
201    fmt1(VK_FORMAT_A2B10G10R10_SSCALED_PACK32,        ISL_FORMAT_R10G10B10A2_SSCALED),
202    fmt1(VK_FORMAT_A2B10G10R10_UINT_PACK32,           ISL_FORMAT_R10G10B10A2_UINT),
203    fmt1(VK_FORMAT_A2B10G10R10_SINT_PACK32,           ISL_FORMAT_R10G10B10A2_SINT),
204    fmt1(VK_FORMAT_R16_UNORM,                         ISL_FORMAT_R16_UNORM),
205    fmt1(VK_FORMAT_R16_SNORM,                         ISL_FORMAT_R16_SNORM),
206    fmt1(VK_FORMAT_R16_USCALED,                       ISL_FORMAT_R16_USCALED),
207    fmt1(VK_FORMAT_R16_SSCALED,                       ISL_FORMAT_R16_SSCALED),
208    fmt1(VK_FORMAT_R16_UINT,                          ISL_FORMAT_R16_UINT),
209    fmt1(VK_FORMAT_R16_SINT,                          ISL_FORMAT_R16_SINT),
210    fmt1(VK_FORMAT_R16_SFLOAT,                        ISL_FORMAT_R16_FLOAT),
211    fmt1(VK_FORMAT_R16G16_UNORM,                      ISL_FORMAT_R16G16_UNORM),
212    fmt1(VK_FORMAT_R16G16_SNORM,                      ISL_FORMAT_R16G16_SNORM),
213    fmt1(VK_FORMAT_R16G16_USCALED,                    ISL_FORMAT_R16G16_USCALED),
214    fmt1(VK_FORMAT_R16G16_SSCALED,                    ISL_FORMAT_R16G16_SSCALED),
215    fmt1(VK_FORMAT_R16G16_UINT,                       ISL_FORMAT_R16G16_UINT),
216    fmt1(VK_FORMAT_R16G16_SINT,                       ISL_FORMAT_R16G16_SINT),
217    fmt1(VK_FORMAT_R16G16_SFLOAT,                     ISL_FORMAT_R16G16_FLOAT),
218    fmt1(VK_FORMAT_R16G16B16_UNORM,                   ISL_FORMAT_R16G16B16_UNORM),
219    fmt1(VK_FORMAT_R16G16B16_SNORM,                   ISL_FORMAT_R16G16B16_SNORM),
220    fmt1(VK_FORMAT_R16G16B16_USCALED,                 ISL_FORMAT_R16G16B16_USCALED),
221    fmt1(VK_FORMAT_R16G16B16_SSCALED,                 ISL_FORMAT_R16G16B16_SSCALED),
222    fmt1(VK_FORMAT_R16G16B16_UINT,                    ISL_FORMAT_R16G16B16_UINT),
223    fmt1(VK_FORMAT_R16G16B16_SINT,                    ISL_FORMAT_R16G16B16_SINT),
224    fmt1(VK_FORMAT_R16G16B16_SFLOAT,                  ISL_FORMAT_R16G16B16_FLOAT),
225    fmt1(VK_FORMAT_R16G16B16A16_UNORM,                ISL_FORMAT_R16G16B16A16_UNORM),
226    fmt1(VK_FORMAT_R16G16B16A16_SNORM,                ISL_FORMAT_R16G16B16A16_SNORM),
227    fmt1(VK_FORMAT_R16G16B16A16_USCALED,              ISL_FORMAT_R16G16B16A16_USCALED),
228    fmt1(VK_FORMAT_R16G16B16A16_SSCALED,              ISL_FORMAT_R16G16B16A16_SSCALED),
229    fmt1(VK_FORMAT_R16G16B16A16_UINT,                 ISL_FORMAT_R16G16B16A16_UINT),
230    fmt1(VK_FORMAT_R16G16B16A16_SINT,                 ISL_FORMAT_R16G16B16A16_SINT),
231    fmt1(VK_FORMAT_R16G16B16A16_SFLOAT,               ISL_FORMAT_R16G16B16A16_FLOAT),
232    fmt1(VK_FORMAT_R32_UINT,                          ISL_FORMAT_R32_UINT),
233    fmt1(VK_FORMAT_R32_SINT,                          ISL_FORMAT_R32_SINT),
234    fmt1(VK_FORMAT_R32_SFLOAT,                        ISL_FORMAT_R32_FLOAT),
235    fmt1(VK_FORMAT_R32G32_UINT,                       ISL_FORMAT_R32G32_UINT),
236    fmt1(VK_FORMAT_R32G32_SINT,                       ISL_FORMAT_R32G32_SINT),
237    fmt1(VK_FORMAT_R32G32_SFLOAT,                     ISL_FORMAT_R32G32_FLOAT),
238    fmt1(VK_FORMAT_R32G32B32_UINT,                    ISL_FORMAT_R32G32B32_UINT),
239    fmt1(VK_FORMAT_R32G32B32_SINT,                    ISL_FORMAT_R32G32B32_SINT),
240    fmt1(VK_FORMAT_R32G32B32_SFLOAT,                  ISL_FORMAT_R32G32B32_FLOAT),
241    fmt1(VK_FORMAT_R32G32B32A32_UINT,                 ISL_FORMAT_R32G32B32A32_UINT),
242    fmt1(VK_FORMAT_R32G32B32A32_SINT,                 ISL_FORMAT_R32G32B32A32_SINT),
243    fmt1(VK_FORMAT_R32G32B32A32_SFLOAT,               ISL_FORMAT_R32G32B32A32_FLOAT),
244    fmt1(VK_FORMAT_R64_UINT,                          ISL_FORMAT_R64_PASSTHRU),
245    fmt1(VK_FORMAT_R64_SINT,                          ISL_FORMAT_R64_PASSTHRU),
246    fmt1(VK_FORMAT_R64_SFLOAT,                        ISL_FORMAT_R64_PASSTHRU),
247    fmt1(VK_FORMAT_R64G64_UINT,                       ISL_FORMAT_R64G64_PASSTHRU),
248    fmt1(VK_FORMAT_R64G64_SINT,                       ISL_FORMAT_R64G64_PASSTHRU),
249    fmt1(VK_FORMAT_R64G64_SFLOAT,                     ISL_FORMAT_R64G64_PASSTHRU),
250    fmt1(VK_FORMAT_R64G64B64_UINT,                    ISL_FORMAT_R64G64B64_PASSTHRU),
251    fmt1(VK_FORMAT_R64G64B64_SINT,                    ISL_FORMAT_R64G64B64_PASSTHRU),
252    fmt1(VK_FORMAT_R64G64B64_SFLOAT,                  ISL_FORMAT_R64G64B64_PASSTHRU),
253    fmt1(VK_FORMAT_R64G64B64A64_UINT,                 ISL_FORMAT_R64G64B64A64_PASSTHRU),
254    fmt1(VK_FORMAT_R64G64B64A64_SINT,                 ISL_FORMAT_R64G64B64A64_PASSTHRU),
255    fmt1(VK_FORMAT_R64G64B64A64_SFLOAT,               ISL_FORMAT_R64G64B64A64_PASSTHRU),
256    fmt1(VK_FORMAT_B10G11R11_UFLOAT_PACK32,           ISL_FORMAT_R11G11B10_FLOAT),
257    fmt1(VK_FORMAT_E5B9G9R9_UFLOAT_PACK32,            ISL_FORMAT_R9G9B9E5_SHAREDEXP),
258 
259    d_fmt(VK_FORMAT_D16_UNORM,                        ISL_FORMAT_R16_UNORM),
260    d_fmt(VK_FORMAT_X8_D24_UNORM_PACK32,              ISL_FORMAT_R24_UNORM_X8_TYPELESS),
261    d_fmt(VK_FORMAT_D32_SFLOAT,                       ISL_FORMAT_R32_FLOAT),
262    s_fmt(VK_FORMAT_S8_UINT,                          ISL_FORMAT_R8_UINT),
263    fmt_unsupported(VK_FORMAT_D16_UNORM_S8_UINT),
264    ds_fmt2(VK_FORMAT_D24_UNORM_S8_UINT,              ISL_FORMAT_R24_UNORM_X8_TYPELESS, ISL_FORMAT_R8_UINT),
265    ds_fmt2(VK_FORMAT_D32_SFLOAT_S8_UINT,             ISL_FORMAT_R32_FLOAT, ISL_FORMAT_R8_UINT),
266 
267    swiz_fmt1(VK_FORMAT_BC1_RGB_UNORM_BLOCK,          ISL_FORMAT_BC1_UNORM, RGB1),
268    swiz_fmt1(VK_FORMAT_BC1_RGB_SRGB_BLOCK,           ISL_FORMAT_BC1_UNORM_SRGB, RGB1),
269    fmt1(VK_FORMAT_BC1_RGBA_UNORM_BLOCK,              ISL_FORMAT_BC1_UNORM),
270    fmt1(VK_FORMAT_BC1_RGBA_SRGB_BLOCK,               ISL_FORMAT_BC1_UNORM_SRGB),
271    fmt1(VK_FORMAT_BC2_UNORM_BLOCK,                   ISL_FORMAT_BC2_UNORM),
272    fmt1(VK_FORMAT_BC2_SRGB_BLOCK,                    ISL_FORMAT_BC2_UNORM_SRGB),
273    fmt1(VK_FORMAT_BC3_UNORM_BLOCK,                   ISL_FORMAT_BC3_UNORM),
274    fmt1(VK_FORMAT_BC3_SRGB_BLOCK,                    ISL_FORMAT_BC3_UNORM_SRGB),
275    fmt1(VK_FORMAT_BC4_UNORM_BLOCK,                   ISL_FORMAT_BC4_UNORM),
276    fmt1(VK_FORMAT_BC4_SNORM_BLOCK,                   ISL_FORMAT_BC4_SNORM),
277    fmt1(VK_FORMAT_BC5_UNORM_BLOCK,                   ISL_FORMAT_BC5_UNORM),
278    fmt1(VK_FORMAT_BC5_SNORM_BLOCK,                   ISL_FORMAT_BC5_SNORM),
279    fmt1(VK_FORMAT_BC6H_UFLOAT_BLOCK,                 ISL_FORMAT_BC6H_UF16),
280    fmt1(VK_FORMAT_BC6H_SFLOAT_BLOCK,                 ISL_FORMAT_BC6H_SF16),
281    fmt1(VK_FORMAT_BC7_UNORM_BLOCK,                   ISL_FORMAT_BC7_UNORM),
282    fmt1(VK_FORMAT_BC7_SRGB_BLOCK,                    ISL_FORMAT_BC7_UNORM_SRGB),
283    fmt1(VK_FORMAT_ETC2_R8G8B8_UNORM_BLOCK,           ISL_FORMAT_ETC2_RGB8),
284    fmt1(VK_FORMAT_ETC2_R8G8B8_SRGB_BLOCK,            ISL_FORMAT_ETC2_SRGB8),
285    fmt1(VK_FORMAT_ETC2_R8G8B8A1_UNORM_BLOCK,         ISL_FORMAT_ETC2_RGB8_PTA),
286    fmt1(VK_FORMAT_ETC2_R8G8B8A1_SRGB_BLOCK,          ISL_FORMAT_ETC2_SRGB8_PTA),
287    fmt1(VK_FORMAT_ETC2_R8G8B8A8_UNORM_BLOCK,         ISL_FORMAT_ETC2_EAC_RGBA8),
288    fmt1(VK_FORMAT_ETC2_R8G8B8A8_SRGB_BLOCK,          ISL_FORMAT_ETC2_EAC_SRGB8_A8),
289    fmt1(VK_FORMAT_EAC_R11_UNORM_BLOCK,               ISL_FORMAT_EAC_R11),
290    fmt1(VK_FORMAT_EAC_R11_SNORM_BLOCK,               ISL_FORMAT_EAC_SIGNED_R11),
291    fmt1(VK_FORMAT_EAC_R11G11_UNORM_BLOCK,            ISL_FORMAT_EAC_RG11),
292    fmt1(VK_FORMAT_EAC_R11G11_SNORM_BLOCK,            ISL_FORMAT_EAC_SIGNED_RG11),
293    fmt1(VK_FORMAT_ASTC_4x4_SRGB_BLOCK,               ISL_FORMAT_ASTC_LDR_2D_4X4_U8SRGB),
294    fmt1(VK_FORMAT_ASTC_5x4_SRGB_BLOCK,               ISL_FORMAT_ASTC_LDR_2D_5X4_U8SRGB),
295    fmt1(VK_FORMAT_ASTC_5x5_SRGB_BLOCK,               ISL_FORMAT_ASTC_LDR_2D_5X5_U8SRGB),
296    fmt1(VK_FORMAT_ASTC_6x5_SRGB_BLOCK,               ISL_FORMAT_ASTC_LDR_2D_6X5_U8SRGB),
297    fmt1(VK_FORMAT_ASTC_6x6_SRGB_BLOCK,               ISL_FORMAT_ASTC_LDR_2D_6X6_U8SRGB),
298    fmt1(VK_FORMAT_ASTC_8x5_SRGB_BLOCK,               ISL_FORMAT_ASTC_LDR_2D_8X5_U8SRGB),
299    fmt1(VK_FORMAT_ASTC_8x6_SRGB_BLOCK,               ISL_FORMAT_ASTC_LDR_2D_8X6_U8SRGB),
300    fmt1(VK_FORMAT_ASTC_8x8_SRGB_BLOCK,               ISL_FORMAT_ASTC_LDR_2D_8X8_U8SRGB),
301    fmt1(VK_FORMAT_ASTC_10x5_SRGB_BLOCK,              ISL_FORMAT_ASTC_LDR_2D_10X5_U8SRGB),
302    fmt1(VK_FORMAT_ASTC_10x6_SRGB_BLOCK,              ISL_FORMAT_ASTC_LDR_2D_10X6_U8SRGB),
303    fmt1(VK_FORMAT_ASTC_10x8_SRGB_BLOCK,              ISL_FORMAT_ASTC_LDR_2D_10X8_U8SRGB),
304    fmt1(VK_FORMAT_ASTC_10x10_SRGB_BLOCK,             ISL_FORMAT_ASTC_LDR_2D_10X10_U8SRGB),
305    fmt1(VK_FORMAT_ASTC_12x10_SRGB_BLOCK,             ISL_FORMAT_ASTC_LDR_2D_12X10_U8SRGB),
306    fmt1(VK_FORMAT_ASTC_12x12_SRGB_BLOCK,             ISL_FORMAT_ASTC_LDR_2D_12X12_U8SRGB),
307    fmt1(VK_FORMAT_ASTC_4x4_UNORM_BLOCK,              ISL_FORMAT_ASTC_LDR_2D_4X4_FLT16),
308    fmt1(VK_FORMAT_ASTC_5x4_UNORM_BLOCK,              ISL_FORMAT_ASTC_LDR_2D_5X4_FLT16),
309    fmt1(VK_FORMAT_ASTC_5x5_UNORM_BLOCK,              ISL_FORMAT_ASTC_LDR_2D_5X5_FLT16),
310    fmt1(VK_FORMAT_ASTC_6x5_UNORM_BLOCK,              ISL_FORMAT_ASTC_LDR_2D_6X5_FLT16),
311    fmt1(VK_FORMAT_ASTC_6x6_UNORM_BLOCK,              ISL_FORMAT_ASTC_LDR_2D_6X6_FLT16),
312    fmt1(VK_FORMAT_ASTC_8x5_UNORM_BLOCK,              ISL_FORMAT_ASTC_LDR_2D_8X5_FLT16),
313    fmt1(VK_FORMAT_ASTC_8x6_UNORM_BLOCK,              ISL_FORMAT_ASTC_LDR_2D_8X6_FLT16),
314    fmt1(VK_FORMAT_ASTC_8x8_UNORM_BLOCK,              ISL_FORMAT_ASTC_LDR_2D_8X8_FLT16),
315    fmt1(VK_FORMAT_ASTC_10x5_UNORM_BLOCK,             ISL_FORMAT_ASTC_LDR_2D_10X5_FLT16),
316    fmt1(VK_FORMAT_ASTC_10x6_UNORM_BLOCK,             ISL_FORMAT_ASTC_LDR_2D_10X6_FLT16),
317    fmt1(VK_FORMAT_ASTC_10x8_UNORM_BLOCK,             ISL_FORMAT_ASTC_LDR_2D_10X8_FLT16),
318    fmt1(VK_FORMAT_ASTC_10x10_UNORM_BLOCK,            ISL_FORMAT_ASTC_LDR_2D_10X10_FLT16),
319    fmt1(VK_FORMAT_ASTC_12x10_UNORM_BLOCK,            ISL_FORMAT_ASTC_LDR_2D_12X10_FLT16),
320    fmt1(VK_FORMAT_ASTC_12x12_UNORM_BLOCK,            ISL_FORMAT_ASTC_LDR_2D_12X12_FLT16),
321    fmt_unsupported(VK_FORMAT_B8G8R8_UNORM),
322    fmt_unsupported(VK_FORMAT_B8G8R8_SNORM),
323    fmt_unsupported(VK_FORMAT_B8G8R8_USCALED),
324    fmt_unsupported(VK_FORMAT_B8G8R8_SSCALED),
325    fmt_unsupported(VK_FORMAT_B8G8R8_UINT),
326    fmt_unsupported(VK_FORMAT_B8G8R8_SINT),
327    fmt_unsupported(VK_FORMAT_B8G8R8_SRGB),
328    fmt1(VK_FORMAT_B8G8R8A8_UNORM,                    ISL_FORMAT_B8G8R8A8_UNORM),
329    fmt_unsupported(VK_FORMAT_B8G8R8A8_SNORM),
330    fmt_unsupported(VK_FORMAT_B8G8R8A8_USCALED),
331    fmt_unsupported(VK_FORMAT_B8G8R8A8_SSCALED),
332    fmt_unsupported(VK_FORMAT_B8G8R8A8_UINT),
333    fmt_unsupported(VK_FORMAT_B8G8R8A8_SINT),
334    fmt1(VK_FORMAT_B8G8R8A8_SRGB,                     ISL_FORMAT_B8G8R8A8_UNORM_SRGB),
335 };
336 
337 static const struct anv_format _4444_formats[] = {
338    fmt1(VK_FORMAT_A4R4G4B4_UNORM_PACK16, ISL_FORMAT_B4G4R4A4_UNORM),
339    fmt_unsupported(VK_FORMAT_A4B4G4R4_UNORM_PACK16),
340 };
341 
342 static const struct anv_format ycbcr_formats[] = {
343    ycbcr_fmt(VK_FORMAT_G8B8G8R8_422_UNORM, 1,
344              y_plane(0, ISL_FORMAT_YCRCB_SWAPUV, RGBA, _ISL_SWIZZLE(BLUE, GREEN, RED, ZERO), 1, 1)),
345    ycbcr_fmt(VK_FORMAT_B8G8R8G8_422_UNORM, 1,
346              y_plane(0, ISL_FORMAT_YCRCB_SWAPUVY, RGBA, _ISL_SWIZZLE(BLUE, GREEN, RED, ZERO), 1, 1)),
347    ycbcr_fmt(VK_FORMAT_G8_B8_R8_3PLANE_420_UNORM, 3,
348              y_plane(0, ISL_FORMAT_R8_UNORM, RGBA, _ISL_SWIZZLE(GREEN, ZERO, ZERO, ZERO), 1, 1),
349              chroma_plane(1, ISL_FORMAT_R8_UNORM, RGBA, _ISL_SWIZZLE(BLUE, ZERO, ZERO, ZERO), 2, 2),
350              chroma_plane(2, ISL_FORMAT_R8_UNORM, RGBA, _ISL_SWIZZLE(RED, ZERO, ZERO, ZERO), 2, 2)),
351    ycbcr_fmt(VK_FORMAT_G8_B8R8_2PLANE_420_UNORM, 2,
352              y_plane(0, ISL_FORMAT_R8_UNORM, RGBA, _ISL_SWIZZLE(GREEN, ZERO, ZERO, ZERO), 1, 1),
353              chroma_plane(1, ISL_FORMAT_R8G8_UNORM, RGBA, _ISL_SWIZZLE(BLUE, RED, ZERO, ZERO), 2, 2)),
354    ycbcr_fmt(VK_FORMAT_G8_B8_R8_3PLANE_422_UNORM, 3,
355              y_plane(0, ISL_FORMAT_R8_UNORM, RGBA, _ISL_SWIZZLE(GREEN, ZERO, ZERO, ZERO), 1, 1),
356              chroma_plane(1, ISL_FORMAT_R8_UNORM, RGBA, _ISL_SWIZZLE(BLUE, ZERO, ZERO, ZERO), 2, 1),
357              chroma_plane(2, ISL_FORMAT_R8_UNORM, RGBA, _ISL_SWIZZLE(RED, ZERO, ZERO, ZERO), 2, 1)),
358    ycbcr_fmt(VK_FORMAT_G8_B8R8_2PLANE_422_UNORM, 2,
359              y_plane(0, ISL_FORMAT_R8_UNORM, RGBA, _ISL_SWIZZLE(GREEN, ZERO, ZERO, ZERO), 1, 1),
360              chroma_plane(1, ISL_FORMAT_R8G8_UNORM, RGBA, _ISL_SWIZZLE(BLUE, RED, ZERO, ZERO), 2, 1)),
361    ycbcr_fmt(VK_FORMAT_G8_B8_R8_3PLANE_444_UNORM, 3,
362              y_plane(0, ISL_FORMAT_R8_UNORM, RGBA, _ISL_SWIZZLE(GREEN, ZERO, ZERO, ZERO), 1, 1),
363              chroma_plane(1, ISL_FORMAT_R8_UNORM, RGBA, _ISL_SWIZZLE(BLUE, ZERO, ZERO, ZERO), 1, 1),
364              chroma_plane(2, ISL_FORMAT_R8_UNORM, RGBA, _ISL_SWIZZLE(RED, ZERO, ZERO, ZERO), 1, 1)),
365 
366    fmt_unsupported(VK_FORMAT_R10X6_UNORM_PACK16),
367    fmt_unsupported(VK_FORMAT_R10X6G10X6_UNORM_2PACK16),
368    fmt_unsupported(VK_FORMAT_R10X6G10X6B10X6A10X6_UNORM_4PACK16),
369    fmt_unsupported(VK_FORMAT_G10X6B10X6G10X6R10X6_422_UNORM_4PACK16),
370    fmt_unsupported(VK_FORMAT_B10X6G10X6R10X6G10X6_422_UNORM_4PACK16),
371    fmt_unsupported(VK_FORMAT_G10X6_B10X6_R10X6_3PLANE_420_UNORM_3PACK16),
372    fmt_unsupported(VK_FORMAT_G10X6_B10X6R10X6_2PLANE_420_UNORM_3PACK16),
373    fmt_unsupported(VK_FORMAT_G10X6_B10X6_R10X6_3PLANE_422_UNORM_3PACK16),
374    fmt_unsupported(VK_FORMAT_G10X6_B10X6R10X6_2PLANE_422_UNORM_3PACK16),
375    fmt_unsupported(VK_FORMAT_G10X6_B10X6_R10X6_3PLANE_444_UNORM_3PACK16),
376    fmt_unsupported(VK_FORMAT_R12X4_UNORM_PACK16),
377    fmt_unsupported(VK_FORMAT_R12X4G12X4_UNORM_2PACK16),
378    fmt_unsupported(VK_FORMAT_R12X4G12X4B12X4A12X4_UNORM_4PACK16),
379    fmt_unsupported(VK_FORMAT_G12X4B12X4G12X4R12X4_422_UNORM_4PACK16),
380    fmt_unsupported(VK_FORMAT_B12X4G12X4R12X4G12X4_422_UNORM_4PACK16),
381    fmt_unsupported(VK_FORMAT_G12X4_B12X4_R12X4_3PLANE_420_UNORM_3PACK16),
382    fmt_unsupported(VK_FORMAT_G12X4_B12X4R12X4_2PLANE_420_UNORM_3PACK16),
383    fmt_unsupported(VK_FORMAT_G12X4_B12X4_R12X4_3PLANE_422_UNORM_3PACK16),
384    fmt_unsupported(VK_FORMAT_G12X4_B12X4R12X4_2PLANE_422_UNORM_3PACK16),
385    fmt_unsupported(VK_FORMAT_G12X4_B12X4_R12X4_3PLANE_444_UNORM_3PACK16),
386    /* TODO: it is possible to enable the following 2 formats, but that
387     * requires further refactoring of how we handle multiplanar formats.
388     */
389    fmt_unsupported(VK_FORMAT_G16B16G16R16_422_UNORM),
390    fmt_unsupported(VK_FORMAT_B16G16R16G16_422_UNORM),
391 
392    ycbcr_fmt(VK_FORMAT_G16_B16_R16_3PLANE_420_UNORM, 3,
393              y_plane(0, ISL_FORMAT_R16_UNORM, RGBA, _ISL_SWIZZLE(GREEN, ZERO, ZERO, ZERO), 1, 1),
394              chroma_plane(1, ISL_FORMAT_R16_UNORM, RGBA, _ISL_SWIZZLE(BLUE, ZERO, ZERO, ZERO), 2, 2),
395              chroma_plane(2, ISL_FORMAT_R16_UNORM, RGBA, _ISL_SWIZZLE(RED, ZERO, ZERO, ZERO), 2, 2)),
396    ycbcr_fmt(VK_FORMAT_G16_B16R16_2PLANE_420_UNORM, 2,
397              y_plane(0, ISL_FORMAT_R16_UNORM, RGBA, _ISL_SWIZZLE(GREEN, ZERO, ZERO, ZERO), 1, 1),
398              chroma_plane(1, ISL_FORMAT_R16G16_UNORM, RGBA, _ISL_SWIZZLE(BLUE, RED, ZERO, ZERO), 2, 2)),
399    ycbcr_fmt(VK_FORMAT_G16_B16_R16_3PLANE_422_UNORM, 3,
400              y_plane(0, ISL_FORMAT_R16_UNORM, RGBA, _ISL_SWIZZLE(GREEN, ZERO, ZERO, ZERO), 1, 1),
401              chroma_plane(1, ISL_FORMAT_R16_UNORM, RGBA, _ISL_SWIZZLE(BLUE, ZERO, ZERO, ZERO), 2, 1),
402              chroma_plane(2, ISL_FORMAT_R16_UNORM, RGBA, _ISL_SWIZZLE(RED, ZERO, ZERO, ZERO), 2, 1)),
403    ycbcr_fmt(VK_FORMAT_G16_B16R16_2PLANE_422_UNORM, 2,
404              y_plane(0, ISL_FORMAT_R16_UNORM, RGBA, _ISL_SWIZZLE(GREEN, ZERO, ZERO, ZERO), 1, 1),
405              chroma_plane(1, ISL_FORMAT_R16G16_UNORM, RGBA, _ISL_SWIZZLE(BLUE, RED, ZERO, ZERO), 2, 1)),
406    ycbcr_fmt(VK_FORMAT_G16_B16_R16_3PLANE_444_UNORM, 3,
407              y_plane(0, ISL_FORMAT_R16_UNORM, RGBA, _ISL_SWIZZLE(GREEN, ZERO, ZERO, ZERO), 1, 1),
408              chroma_plane(1, ISL_FORMAT_R16_UNORM, RGBA, _ISL_SWIZZLE(BLUE, ZERO, ZERO, ZERO), 1, 1),
409              chroma_plane(2, ISL_FORMAT_R16_UNORM, RGBA, _ISL_SWIZZLE(RED, ZERO, ZERO, ZERO), 1, 1)),
410 };
411 
412 #undef _fmt
413 #undef swiz_fmt1
414 #undef fmt1
415 #undef fmt
416 
417 static const struct {
418    const struct anv_format *formats;
419    uint32_t n_formats;
420 } anv_formats[] = {
421    [0]                                       = { .formats = main_formats,
422                                                  .n_formats = ARRAY_SIZE(main_formats), },
423    [_VK_EXT_4444_formats_number]             = { .formats = _4444_formats,
424                                                  .n_formats = ARRAY_SIZE(_4444_formats), },
425    [_VK_KHR_sampler_ycbcr_conversion_number] = { .formats = ycbcr_formats,
426                                                  .n_formats = ARRAY_SIZE(ycbcr_formats), },
427 };
428 
429 const struct anv_format *
anv_get_format(VkFormat vk_format)430 anv_get_format(VkFormat vk_format)
431 {
432    uint32_t enum_offset = VK_ENUM_OFFSET(vk_format);
433    uint32_t ext_number = VK_ENUM_EXTENSION(vk_format);
434 
435    if (ext_number >= ARRAY_SIZE(anv_formats) ||
436        enum_offset >= anv_formats[ext_number].n_formats)
437       return NULL;
438 
439    const struct anv_format *format =
440       &anv_formats[ext_number].formats[enum_offset];
441    if (format->planes[0].isl_format == ISL_FORMAT_UNSUPPORTED)
442       return NULL;
443 
444    return format;
445 }
446 
447 /** Return true if any format plane has non-power-of-two bits-per-block. */
448 static bool
anv_format_has_npot_plane(const struct anv_format * anv_format)449 anv_format_has_npot_plane(const struct anv_format *anv_format) {
450    for (uint32_t i = 0; i < anv_format->n_planes; ++i) {
451       const struct isl_format_layout *isl_layout =
452          isl_format_get_layout(anv_format->planes[i].isl_format);
453 
454       if (!util_is_power_of_two_or_zero(isl_layout->bpb))
455          return true;
456    }
457 
458    return false;
459 }
460 
461 /**
462  * Exactly one bit must be set in \a aspect.
463  *
464  * If tiling is VK_IMAGE_TILING_DRM_FORMAT_MODIFIER_EXT, then return the
465  * requested anv_format_plane without checking for compatibility with modifiers.
466  * It is the caller's responsibility to verify that the the returned
467  * anv_format_plane is compatible with a particular modifier.  (Observe that
468  * this function has no parameter for the DRM format modifier, and therefore
469  * _cannot_ check for compatibility).
470  */
471 struct anv_format_plane
anv_get_format_plane(const struct intel_device_info * devinfo,VkFormat vk_format,uint32_t plane,VkImageTiling tiling)472 anv_get_format_plane(const struct intel_device_info *devinfo,
473                      VkFormat vk_format, uint32_t plane,
474                      VkImageTiling tiling)
475 {
476    const struct anv_format *format = anv_get_format(vk_format);
477    const struct anv_format_plane unsupported = {
478       .isl_format = ISL_FORMAT_UNSUPPORTED,
479    };
480 
481    if (format == NULL)
482       return unsupported;
483 
484    assert(plane < format->n_planes);
485    struct anv_format_plane plane_format = format->planes[plane];
486    if (plane_format.isl_format == ISL_FORMAT_UNSUPPORTED)
487       return unsupported;
488 
489    if (tiling == VK_IMAGE_TILING_DRM_FORMAT_MODIFIER_EXT)
490       return plane_format;
491 
492    if (vk_format_is_depth_or_stencil(vk_format))
493       return plane_format;
494 
495    const struct isl_format_layout *isl_layout =
496       isl_format_get_layout(plane_format.isl_format);
497 
498    /* On Ivy Bridge we don't even have enough 24 and 48-bit formats that we
499     * can reliably do texture upload with BLORP so just don't claim support
500     * for any of them.
501     */
502    if (devinfo->verx10 == 70 &&
503        (isl_layout->bpb == 24 || isl_layout->bpb == 48))
504       return unsupported;
505 
506    if (tiling == VK_IMAGE_TILING_OPTIMAL &&
507        !util_is_power_of_two_or_zero(isl_layout->bpb)) {
508       /* Tiled formats *must* be power-of-two because we need up upload
509        * them with the render pipeline.  For 3-channel formats, we fix
510        * this by switching them over to RGBX or RGBA formats under the
511        * hood.
512        */
513       enum isl_format rgbx = isl_format_rgb_to_rgbx(plane_format.isl_format);
514       if (rgbx != ISL_FORMAT_UNSUPPORTED &&
515           isl_format_supports_rendering(devinfo, rgbx)) {
516          plane_format.isl_format = rgbx;
517       } else {
518          plane_format.isl_format =
519             isl_format_rgb_to_rgba(plane_format.isl_format);
520          plane_format.swizzle = ISL_SWIZZLE(RED, GREEN, BLUE, ONE);
521       }
522    }
523 
524    /* The B4G4R4A4 format isn't available prior to Broadwell so we have to fall
525     * back to a format with a more complex swizzle.
526     */
527    if (vk_format == VK_FORMAT_B4G4R4A4_UNORM_PACK16 && devinfo->ver < 8) {
528       plane_format.isl_format = ISL_FORMAT_B4G4R4A4_UNORM;
529       plane_format.swizzle = ISL_SWIZZLE(GREEN, RED, ALPHA, BLUE);
530    }
531 
532    return plane_format;
533 }
534 
535 struct anv_format_plane
anv_get_format_aspect(const struct intel_device_info * devinfo,VkFormat vk_format,VkImageAspectFlagBits aspect,VkImageTiling tiling)536 anv_get_format_aspect(const struct intel_device_info *devinfo,
537                       VkFormat vk_format,
538                       VkImageAspectFlagBits aspect, VkImageTiling tiling)
539 {
540    const uint32_t plane =
541       anv_aspect_to_plane(vk_format_aspects(vk_format), aspect);
542    return anv_get_format_plane(devinfo, vk_format, plane, tiling);
543 }
544 
545 // Format capabilities
546 
547 VkFormatFeatureFlags2
anv_get_image_format_features2(const struct intel_device_info * devinfo,VkFormat vk_format,const struct anv_format * anv_format,VkImageTiling vk_tiling,const struct isl_drm_modifier_info * isl_mod_info)548 anv_get_image_format_features2(const struct intel_device_info *devinfo,
549                                VkFormat vk_format,
550                                const struct anv_format *anv_format,
551                                VkImageTiling vk_tiling,
552                                const struct isl_drm_modifier_info *isl_mod_info)
553 {
554    VkFormatFeatureFlags2 flags = 0;
555 
556    if (anv_format == NULL)
557       return 0;
558 
559    assert((isl_mod_info != NULL) ==
560           (vk_tiling == VK_IMAGE_TILING_DRM_FORMAT_MODIFIER_EXT));
561 
562    const VkImageAspectFlags aspects = vk_format_aspects(vk_format);
563 
564    if (aspects & (VK_IMAGE_ASPECT_DEPTH_BIT | VK_IMAGE_ASPECT_STENCIL_BIT)) {
565       if (vk_tiling == VK_IMAGE_TILING_LINEAR ||
566           vk_tiling == VK_IMAGE_TILING_DRM_FORMAT_MODIFIER_EXT)
567          return 0;
568 
569       flags |= VK_FORMAT_FEATURE_2_DEPTH_STENCIL_ATTACHMENT_BIT |
570                VK_FORMAT_FEATURE_2_SAMPLED_IMAGE_BIT |
571                VK_FORMAT_FEATURE_2_BLIT_SRC_BIT |
572                VK_FORMAT_FEATURE_2_BLIT_DST_BIT |
573                VK_FORMAT_FEATURE_2_TRANSFER_SRC_BIT |
574                VK_FORMAT_FEATURE_2_TRANSFER_DST_BIT;
575 
576       if (aspects & VK_IMAGE_ASPECT_DEPTH_BIT)
577          flags |= VK_FORMAT_FEATURE_2_SAMPLED_IMAGE_FILTER_LINEAR_BIT;
578 
579       if ((aspects & VK_IMAGE_ASPECT_DEPTH_BIT) && devinfo->ver >= 9)
580          flags |= VK_FORMAT_FEATURE_2_SAMPLED_IMAGE_FILTER_MINMAX_BIT;
581 
582       if (aspects & VK_IMAGE_ASPECT_DEPTH_BIT)
583          flags |= VK_FORMAT_FEATURE_2_SAMPLED_IMAGE_DEPTH_COMPARISON_BIT;
584 
585       return flags;
586    }
587 
588    assert(aspects & VK_IMAGE_ASPECT_ANY_COLOR_BIT_ANV);
589    const struct anv_format_plane plane_format =
590       anv_get_format_plane(devinfo, vk_format, 0, vk_tiling);
591 
592    if (plane_format.isl_format == ISL_FORMAT_UNSUPPORTED)
593       return 0;
594 
595    struct anv_format_plane base_plane_format = plane_format;
596    if (vk_tiling != VK_IMAGE_TILING_LINEAR) {
597       base_plane_format = anv_get_format_plane(devinfo, vk_format, 0,
598                                                VK_IMAGE_TILING_LINEAR);
599    }
600 
601    enum isl_format base_isl_format = base_plane_format.isl_format;
602 
603    if (isl_format_supports_sampling(devinfo, plane_format.isl_format)) {
604       /* ASTC textures must be in Y-tiled memory, and we reject compressed
605        * formats with modifiers. We do however interpret ASTC textures with
606        * uncompressed formats during data transfers.
607        */
608       if (vk_tiling != VK_IMAGE_TILING_OPTIMAL &&
609           isl_format_get_layout(plane_format.isl_format)->txc == ISL_TXC_ASTC)
610          return VK_FORMAT_FEATURE_2_TRANSFER_SRC_BIT |
611                 VK_FORMAT_FEATURE_2_TRANSFER_DST_BIT;
612 
613       flags |= VK_FORMAT_FEATURE_2_SAMPLED_IMAGE_BIT;
614 
615       if (devinfo->ver >= 9)
616          flags |= VK_FORMAT_FEATURE_2_SAMPLED_IMAGE_FILTER_MINMAX_BIT;
617 
618       if (isl_format_supports_filtering(devinfo, plane_format.isl_format))
619          flags |= VK_FORMAT_FEATURE_2_SAMPLED_IMAGE_FILTER_LINEAR_BIT;
620    }
621 
622    /* We can render to swizzled formats.  However, if the alpha channel is
623     * moved, then blending won't work correctly.  The PRM tells us
624     * straight-up not to render to such a surface.
625     */
626    if (isl_format_supports_rendering(devinfo, plane_format.isl_format) &&
627        plane_format.swizzle.a == ISL_CHANNEL_SELECT_ALPHA) {
628       flags |= VK_FORMAT_FEATURE_2_COLOR_ATTACHMENT_BIT;
629 
630       /* While we can render to swizzled formats, they don't blend correctly
631        * if there are blend constants involved.  The swizzle just remaps the
632        * output of the shader to different channels in the texture.  It
633        * doesn't change the interpretation of the constant blend factors in
634        * COLOR_CALC_STATE.
635        */
636       if (isl_format_supports_alpha_blending(devinfo, plane_format.isl_format) &&
637           isl_swizzle_is_identity(plane_format.swizzle))
638          flags |= VK_FORMAT_FEATURE_2_COLOR_ATTACHMENT_BLEND_BIT;
639    }
640 
641    /* Load/store is determined based on base format.  This prevents RGB
642     * formats from showing up as load/store capable.
643     */
644    if (isl_format_supports_typed_reads(devinfo, base_isl_format))
645       flags |= VK_FORMAT_FEATURE_2_STORAGE_READ_WITHOUT_FORMAT_BIT;
646    if (isl_format_supports_typed_writes(devinfo, base_isl_format))
647       flags |= VK_FORMAT_FEATURE_2_STORAGE_WRITE_WITHOUT_FORMAT_BIT;
648 
649    /* Keep this old behavior on VK_FORMAT_FEATURE_2_STORAGE_IMAGE_BIT.
650     * When KHR_format_features2 is enabled, applications should only rely on
651     * it for the list of shader storage extended formats [1]. Before that,
652     * this applies to all VkFormats.
653     *
654     * [1] : https://www.khronos.org/registry/vulkan/specs/1.2-extensions/html/vkspec.html#features-shaderStorageImageExtendedFormats
655     */
656    if (flags & VK_FORMAT_FEATURE_2_STORAGE_WRITE_WITHOUT_FORMAT_BIT)
657       flags |= VK_FORMAT_FEATURE_2_STORAGE_IMAGE_BIT;
658 
659    if (base_isl_format == ISL_FORMAT_R32_SINT ||
660        base_isl_format == ISL_FORMAT_R32_UINT ||
661        base_isl_format == ISL_FORMAT_R32_FLOAT)
662       flags |= VK_FORMAT_FEATURE_2_STORAGE_IMAGE_ATOMIC_BIT;
663 
664    if (flags) {
665       flags |= VK_FORMAT_FEATURE_2_BLIT_SRC_BIT |
666                VK_FORMAT_FEATURE_2_TRANSFER_SRC_BIT |
667                VK_FORMAT_FEATURE_2_TRANSFER_DST_BIT;
668 
669       /* Blit destination requires rendering support. */
670       if (isl_format_supports_rendering(devinfo, plane_format.isl_format))
671          flags |= VK_FORMAT_FEATURE_2_BLIT_DST_BIT;
672    }
673 
674    /* XXX: We handle 3-channel formats by switching them out for RGBX or
675     * RGBA formats behind-the-scenes.  This works fine for textures
676     * because the upload process will fill in the extra channel.
677     * We could also support it for render targets, but it will take
678     * substantially more work and we have enough RGBX formats to handle
679     * what most clients will want.
680     */
681    if (vk_tiling == VK_IMAGE_TILING_OPTIMAL &&
682        base_isl_format != ISL_FORMAT_UNSUPPORTED &&
683        !util_is_power_of_two_or_zero(isl_format_layouts[base_isl_format].bpb) &&
684        isl_format_rgb_to_rgbx(base_isl_format) == ISL_FORMAT_UNSUPPORTED) {
685       flags &= ~VK_FORMAT_FEATURE_2_COLOR_ATTACHMENT_BIT;
686       flags &= ~VK_FORMAT_FEATURE_2_BLIT_DST_BIT;
687    }
688 
689    if (anv_format->can_ycbcr) {
690       /* The sampler doesn't have support for mid point when it handles YUV on
691        * its own.
692        */
693       if (isl_format_is_yuv(anv_format->planes[0].isl_format)) {
694          /* TODO: We've disabled linear implicit reconstruction with the
695           * sampler. The failures show a slightly out of range values on the
696           * bottom left of the sampled image.
697           */
698          flags |= VK_FORMAT_FEATURE_2_MIDPOINT_CHROMA_SAMPLES_BIT;
699       } else {
700          flags |= VK_FORMAT_FEATURE_2_SAMPLED_IMAGE_YCBCR_CONVERSION_LINEAR_FILTER_BIT |
701                   VK_FORMAT_FEATURE_2_MIDPOINT_CHROMA_SAMPLES_BIT |
702                   VK_FORMAT_FEATURE_2_SAMPLED_IMAGE_YCBCR_CONVERSION_SEPARATE_RECONSTRUCTION_FILTER_BIT;
703       }
704 
705       /* We can support cosited chroma locations when handle planes with our
706        * own shader snippets.
707        */
708       for (unsigned p = 0; p < anv_format->n_planes; p++) {
709          if (anv_format->planes[p].denominator_scales[0] > 1 ||
710              anv_format->planes[p].denominator_scales[1] > 1) {
711             flags |= VK_FORMAT_FEATURE_2_COSITED_CHROMA_SAMPLES_BIT;
712             break;
713          }
714       }
715 
716       if (anv_format->n_planes > 1)
717          flags |= VK_FORMAT_FEATURE_2_DISJOINT_BIT;
718 
719       const VkFormatFeatureFlags2 disallowed_ycbcr_image_features =
720          VK_FORMAT_FEATURE_2_BLIT_SRC_BIT |
721          VK_FORMAT_FEATURE_2_BLIT_DST_BIT |
722          VK_FORMAT_FEATURE_2_COLOR_ATTACHMENT_BIT |
723          VK_FORMAT_FEATURE_2_COLOR_ATTACHMENT_BLEND_BIT |
724          VK_FORMAT_FEATURE_2_STORAGE_IMAGE_BIT;
725 
726       flags &= ~disallowed_ycbcr_image_features;
727    }
728 
729    if (vk_tiling == VK_IMAGE_TILING_DRM_FORMAT_MODIFIER_EXT) {
730       if (!isl_drm_modifier_get_score(devinfo, isl_mod_info->modifier))
731          return 0;
732 
733       /* Try to restrict the supported formats to those in drm_fourcc.h. The
734        * VK_EXT_image_drm_format_modifier does not require this (after all, two
735        * Vulkan apps could share an image by exchanging its VkFormat instead of
736        * a DRM_FORMAT), but there exist no users of such non-drm_fourcc formats
737        * yet. And the restriction shrinks our test surface.
738        */
739       const struct isl_format_layout *isl_layout =
740          isl_format_get_layout(plane_format.isl_format);
741 
742       switch (isl_layout->colorspace) {
743       case ISL_COLORSPACE_LINEAR:
744       case ISL_COLORSPACE_SRGB:
745          /* Each DRM_FORMAT that we support uses unorm (if the DRM format name
746           * has no type suffix) or sfloat (if it has suffix F). No format
747           * contains mixed types. (as of 2021-06-14)
748           */
749          if (isl_layout->uniform_channel_type != ISL_UNORM &&
750              isl_layout->uniform_channel_type != ISL_SFLOAT)
751             return 0;
752          break;
753       case ISL_COLORSPACE_YUV:
754          anv_finishme("support YUV colorspace with DRM format modifiers");
755          return 0;
756       case ISL_COLORSPACE_NONE:
757          return 0;
758       }
759 
760       /* We could support compressed formats if we wanted to. */
761       if (isl_format_is_compressed(plane_format.isl_format))
762          return 0;
763 
764       /* No non-power-of-two fourcc formats exist.
765        *
766        * Even if non-power-of-two fourcc formats existed, we could support them
767        * only with DRM_FORMAT_MOD_LINEAR.  Tiled formats must be power-of-two
768        * because we implement transfers with the render pipeline.
769        */
770       if (anv_format_has_npot_plane(anv_format))
771          return 0;
772 
773       if (anv_format->n_planes > 1) {
774          /* For simplicity, keep DISJOINT disabled for multi-planar format. */
775          flags &= ~VK_FORMAT_FEATURE_2_DISJOINT_BIT;
776 
777          /* VK_ANDROID_external_memory_android_hardware_buffer in Virtio-GPU
778           * Venus driver layers on top of VK_EXT_image_drm_format_modifier of
779           * the host Vulkan driver, and both VK_FORMAT_G8_B8R8_2PLANE_420_UNORM
780           * and VK_FORMAT_G8_B8_R8_3PLANE_420_UNORM and required to support
781           * camera/media interop in Android.
782           */
783          if (vk_format != VK_FORMAT_G8_B8R8_2PLANE_420_UNORM &&
784              vk_format != VK_FORMAT_G8_B8_R8_3PLANE_420_UNORM) {
785             anv_finishme("support more multi-planar formats with DRM modifiers");
786             return 0;
787          }
788 
789          /* Currently there is no way to properly map memory planes to format
790           * planes and aux planes due to the lack of defined ABI for external
791           * multi-planar images.
792           */
793          if (isl_mod_info->aux_usage != ISL_AUX_USAGE_NONE) {
794             return 0;
795          }
796       }
797 
798       if (isl_mod_info->aux_usage == ISL_AUX_USAGE_CCS_E &&
799           !isl_format_supports_ccs_e(devinfo, plane_format.isl_format)) {
800          return 0;
801       }
802 
803       if (isl_mod_info->aux_usage != ISL_AUX_USAGE_NONE) {
804          /* Rejection DISJOINT for consistency with the GL driver. In
805           * eglCreateImage, we require that the dma_buf for the primary surface
806           * and the dma_buf for its aux surface refer to the same bo.
807           */
808          flags &= ~VK_FORMAT_FEATURE_2_DISJOINT_BIT;
809 
810          /* When the hardware accesses a storage image, it bypasses the aux
811           * surface. We could support storage access on images with aux
812           * modifiers by resolving the aux surface prior to the storage access.
813           */
814          flags &= ~VK_FORMAT_FEATURE_2_STORAGE_IMAGE_BIT;
815          flags &= ~VK_FORMAT_FEATURE_2_STORAGE_IMAGE_ATOMIC_BIT;
816       }
817    }
818 
819    if (devinfo->has_coarse_pixel_primitive_and_cb &&
820        vk_format == VK_FORMAT_R8_UINT &&
821        vk_tiling == VK_IMAGE_TILING_OPTIMAL)
822       flags |= VK_FORMAT_FEATURE_FRAGMENT_SHADING_RATE_ATTACHMENT_BIT_KHR;
823 
824    return flags;
825 }
826 
827 static VkFormatFeatureFlags2
get_buffer_format_features2(const struct intel_device_info * devinfo,VkFormat vk_format,const struct anv_format * anv_format)828 get_buffer_format_features2(const struct intel_device_info *devinfo,
829                             VkFormat vk_format,
830                             const struct anv_format *anv_format)
831 {
832    VkFormatFeatureFlags2 flags = 0;
833 
834    if (anv_format == NULL)
835       return 0;
836 
837    const enum isl_format isl_format = anv_format->planes[0].isl_format;
838 
839    if (isl_format == ISL_FORMAT_UNSUPPORTED)
840       return 0;
841 
842    if (anv_format->n_planes > 1)
843       return 0;
844 
845    if (anv_format->can_ycbcr)
846       return 0;
847 
848    if (vk_format_is_depth_or_stencil(vk_format))
849       return 0;
850 
851    if (isl_format_supports_sampling(devinfo, isl_format) &&
852        !isl_format_is_compressed(isl_format))
853       flags |= VK_FORMAT_FEATURE_2_UNIFORM_TEXEL_BUFFER_BIT;
854 
855    if (isl_format_supports_vertex_fetch(devinfo, isl_format))
856       flags |= VK_FORMAT_FEATURE_2_VERTEX_BUFFER_BIT;
857 
858    if (isl_is_storage_image_format(isl_format))
859       flags |= VK_FORMAT_FEATURE_2_STORAGE_TEXEL_BUFFER_BIT;
860 
861    if (isl_format == ISL_FORMAT_R32_SINT || isl_format == ISL_FORMAT_R32_UINT)
862       flags |= VK_FORMAT_FEATURE_2_STORAGE_TEXEL_BUFFER_ATOMIC_BIT;
863 
864    return flags;
865 }
866 
867 static VkFormatFeatureFlags
features2_to_features(VkFormatFeatureFlags2 features2)868 features2_to_features(VkFormatFeatureFlags2 features2)
869 {
870    return features2 & VK_ALL_FORMAT_FEATURE_FLAG_BITS;
871 }
872 
873 static void
get_drm_format_modifier_properties_list(const struct anv_physical_device * physical_device,VkFormat vk_format,VkDrmFormatModifierPropertiesListEXT * list)874 get_drm_format_modifier_properties_list(const struct anv_physical_device *physical_device,
875                                         VkFormat vk_format,
876                                         VkDrmFormatModifierPropertiesListEXT *list)
877 {
878    const struct intel_device_info *devinfo = &physical_device->info;
879    const struct anv_format *anv_format = anv_get_format(vk_format);
880 
881    VK_OUTARRAY_MAKE_TYPED(VkDrmFormatModifierPropertiesEXT, out,
882                           list->pDrmFormatModifierProperties,
883                           &list->drmFormatModifierCount);
884 
885    isl_drm_modifier_info_for_each(isl_mod_info) {
886       VkFormatFeatureFlags2 features2 =
887          anv_get_image_format_features2(devinfo, vk_format, anv_format,
888                                         VK_IMAGE_TILING_DRM_FORMAT_MODIFIER_EXT,
889                                         isl_mod_info);
890       VkFormatFeatureFlags features = features2_to_features(features2);
891       if (!features)
892          continue;
893 
894       uint32_t planes = anv_format->n_planes;
895       if (isl_mod_info->aux_usage != ISL_AUX_USAGE_NONE)
896          ++planes;
897 
898       vk_outarray_append_typed(VkDrmFormatModifierPropertiesEXT, &out, out_props) {
899          *out_props = (VkDrmFormatModifierPropertiesEXT) {
900             .drmFormatModifier = isl_mod_info->modifier,
901             .drmFormatModifierPlaneCount = planes,
902             .drmFormatModifierTilingFeatures = features,
903          };
904       };
905    }
906 }
907 
908 static void
get_drm_format_modifier_properties_list_2(const struct anv_physical_device * physical_device,VkFormat vk_format,VkDrmFormatModifierPropertiesList2EXT * list)909 get_drm_format_modifier_properties_list_2(const struct anv_physical_device *physical_device,
910                                           VkFormat vk_format,
911                                           VkDrmFormatModifierPropertiesList2EXT *list)
912 {
913    const struct intel_device_info *devinfo = &physical_device->info;
914    const struct anv_format *anv_format = anv_get_format(vk_format);
915 
916    VK_OUTARRAY_MAKE_TYPED(VkDrmFormatModifierProperties2EXT, out,
917                           list->pDrmFormatModifierProperties,
918                           &list->drmFormatModifierCount);
919 
920    isl_drm_modifier_info_for_each(isl_mod_info) {
921       VkFormatFeatureFlags2 features2 =
922          anv_get_image_format_features2(devinfo, vk_format, anv_format,
923                                         VK_IMAGE_TILING_DRM_FORMAT_MODIFIER_EXT,
924                                         isl_mod_info);
925       if (!features2)
926          continue;
927 
928       uint32_t planes = anv_format->n_planes;
929       if (isl_mod_info->aux_usage != ISL_AUX_USAGE_NONE)
930          ++planes;
931 
932       vk_outarray_append_typed(VkDrmFormatModifierProperties2EXT, &out, out_props) {
933          *out_props = (VkDrmFormatModifierProperties2EXT) {
934             .drmFormatModifier = isl_mod_info->modifier,
935             .drmFormatModifierPlaneCount = planes,
936             .drmFormatModifierTilingFeatures = features2,
937          };
938       };
939    }
940 }
941 
anv_GetPhysicalDeviceFormatProperties2(VkPhysicalDevice physicalDevice,VkFormat vk_format,VkFormatProperties2 * pFormatProperties)942 void anv_GetPhysicalDeviceFormatProperties2(
943     VkPhysicalDevice                            physicalDevice,
944     VkFormat                                    vk_format,
945     VkFormatProperties2*                        pFormatProperties)
946 {
947    ANV_FROM_HANDLE(anv_physical_device, physical_device, physicalDevice);
948    const struct intel_device_info *devinfo = &physical_device->info;
949    const struct anv_format *anv_format = anv_get_format(vk_format);
950 
951    assert(pFormatProperties->sType == VK_STRUCTURE_TYPE_FORMAT_PROPERTIES_2);
952 
953    VkFormatFeatureFlags2 linear2, optimal2, buffer2;
954    linear2 = anv_get_image_format_features2(devinfo, vk_format, anv_format,
955                                             VK_IMAGE_TILING_LINEAR, NULL);
956    optimal2 = anv_get_image_format_features2(devinfo, vk_format, anv_format,
957                                              VK_IMAGE_TILING_OPTIMAL, NULL);
958    buffer2 = get_buffer_format_features2(devinfo, vk_format, anv_format);
959 
960    pFormatProperties->formatProperties = (VkFormatProperties) {
961       .linearTilingFeatures = features2_to_features(linear2),
962       .optimalTilingFeatures = features2_to_features(optimal2),
963       .bufferFeatures = features2_to_features(buffer2),
964    };
965 
966    vk_foreach_struct(ext, pFormatProperties->pNext) {
967       /* Use unsigned since some cases are not in the VkStructureType enum. */
968       switch ((unsigned)ext->sType) {
969       case VK_STRUCTURE_TYPE_DRM_FORMAT_MODIFIER_PROPERTIES_LIST_EXT:
970          get_drm_format_modifier_properties_list(physical_device, vk_format,
971                                                  (void *)ext);
972          break;
973 
974       case VK_STRUCTURE_TYPE_DRM_FORMAT_MODIFIER_PROPERTIES_LIST_2_EXT:
975          get_drm_format_modifier_properties_list_2(physical_device, vk_format,
976                                                    (void *)ext);
977          break;
978 
979       case VK_STRUCTURE_TYPE_FORMAT_PROPERTIES_3: {
980          VkFormatProperties3 *props = (VkFormatProperties3 *)ext;
981          props->linearTilingFeatures = linear2;
982          props->optimalTilingFeatures = optimal2;
983          props->bufferFeatures = buffer2;
984          break;
985       }
986       default:
987          anv_debug_ignored_stype(ext->sType);
988          break;
989       }
990    }
991 }
992 
993 static VkResult
anv_get_image_format_properties(struct anv_physical_device * physical_device,const VkPhysicalDeviceImageFormatInfo2 * info,VkImageFormatProperties * pImageFormatProperties,VkSamplerYcbcrConversionImageFormatProperties * pYcbcrImageFormatProperties)994 anv_get_image_format_properties(
995    struct anv_physical_device *physical_device,
996    const VkPhysicalDeviceImageFormatInfo2 *info,
997    VkImageFormatProperties *pImageFormatProperties,
998    VkSamplerYcbcrConversionImageFormatProperties *pYcbcrImageFormatProperties)
999 {
1000    VkFormatFeatureFlags2 format_feature_flags;
1001    VkExtent3D maxExtent;
1002    uint32_t maxMipLevels;
1003    uint32_t maxArraySize;
1004    VkSampleCountFlags sampleCounts;
1005    const struct intel_device_info *devinfo = &physical_device->info;
1006    const struct anv_format *format = anv_get_format(info->format);
1007    const struct isl_drm_modifier_info *isl_mod_info = NULL;
1008    const VkImageFormatListCreateInfo *format_list_info =
1009       vk_find_struct_const(info->pNext, IMAGE_FORMAT_LIST_CREATE_INFO);
1010 
1011    if (format == NULL)
1012       goto unsupported;
1013 
1014    if (info->tiling == VK_IMAGE_TILING_DRM_FORMAT_MODIFIER_EXT) {
1015       const VkPhysicalDeviceImageDrmFormatModifierInfoEXT *vk_mod_info =
1016          vk_find_struct_const(info->pNext, PHYSICAL_DEVICE_IMAGE_DRM_FORMAT_MODIFIER_INFO_EXT);
1017 
1018       isl_mod_info = isl_drm_modifier_get_info(vk_mod_info->drmFormatModifier);
1019       if (isl_mod_info == NULL)
1020          goto unsupported;
1021    }
1022 
1023    assert(format->vk_format == info->format);
1024    format_feature_flags = anv_get_image_format_features2(devinfo, info->format,
1025                                                          format, info->tiling,
1026                                                          isl_mod_info);
1027 
1028    /* Remove the VkFormatFeatureFlags that are incompatible with any declared
1029     * image view format. (Removals are more likely to occur when a DRM format
1030     * modifier is present).
1031     */
1032    if ((info->flags & VK_IMAGE_CREATE_MUTABLE_FORMAT_BIT) && format_list_info) {
1033       for (uint32_t i = 0; i < format_list_info->viewFormatCount; ++i) {
1034          VkFormat vk_view_format = format_list_info->pViewFormats[i];
1035          const struct anv_format *anv_view_format = anv_get_format(vk_view_format);
1036          VkFormatFeatureFlags2 view_format_features =
1037             anv_get_image_format_features2(devinfo, vk_view_format,
1038                                            anv_view_format,
1039                                            info->tiling,
1040                                            isl_mod_info);
1041          format_feature_flags &= view_format_features;
1042       }
1043    }
1044 
1045    if (!format_feature_flags)
1046       goto unsupported;
1047 
1048    switch (info->type) {
1049    default:
1050       unreachable("bad VkImageType");
1051    case VK_IMAGE_TYPE_1D:
1052       maxExtent.width = 16384;
1053       maxExtent.height = 1;
1054       maxExtent.depth = 1;
1055       maxMipLevels = 15; /* log2(maxWidth) + 1 */
1056       maxArraySize = 2048;
1057       sampleCounts = VK_SAMPLE_COUNT_1_BIT;
1058       break;
1059    case VK_IMAGE_TYPE_2D:
1060       /* FINISHME: Does this really differ for cube maps? The documentation
1061        * for RENDER_SURFACE_STATE suggests so.
1062        */
1063       maxExtent.width = 16384;
1064       maxExtent.height = 16384;
1065       maxExtent.depth = 1;
1066       maxMipLevels = 15; /* log2(maxWidth) + 1 */
1067       maxArraySize = 2048;
1068       sampleCounts = VK_SAMPLE_COUNT_1_BIT;
1069       break;
1070    case VK_IMAGE_TYPE_3D:
1071       maxExtent.width = 2048;
1072       maxExtent.height = 2048;
1073       maxExtent.depth = 2048;
1074       /* Prior to SKL, the mipmaps for 3D surfaces are laid out in a way
1075        * that make it impossible to represent in the way that
1076        * VkSubresourceLayout expects. Since we can't tell users how to make
1077        * sense of them, don't report them as available.
1078        */
1079       if (devinfo->ver < 9 && info->tiling == VK_IMAGE_TILING_LINEAR)
1080          maxMipLevels = 1;
1081       else
1082          maxMipLevels = 12; /* log2(maxWidth) + 1 */
1083       maxArraySize = 1;
1084       sampleCounts = VK_SAMPLE_COUNT_1_BIT;
1085       break;
1086    }
1087 
1088    /* From the Vulkan 1.2.199 spec:
1089     *
1090     *    "VK_IMAGE_CREATE_EXTENDED_USAGE_BIT specifies that the image can be
1091     *    created with usage flags that are not supported for the format the
1092     *    image is created with but are supported for at least one format a
1093     *    VkImageView created from the image can have."
1094     *
1095     * If VK_IMAGE_CREATE_EXTENDED_USAGE_BIT is set, views can be created with
1096     * different usage than the image so we can't always filter on usage.
1097     * There is one exception to this below for storage.
1098     */
1099    const VkImageUsageFlags image_usage = info->usage;
1100    VkImageUsageFlags view_usage = image_usage;
1101    if (info->flags & VK_IMAGE_CREATE_EXTENDED_USAGE_BIT)
1102       view_usage = 0;
1103 
1104    if (info->tiling == VK_IMAGE_TILING_DRM_FORMAT_MODIFIER_EXT) {
1105       /* We support modifiers only for "simple" (that is, non-array
1106        * non-mipmapped single-sample) 2D images.
1107        */
1108       if (info->type != VK_IMAGE_TYPE_2D) {
1109          vk_errorf(physical_device, VK_ERROR_FORMAT_NOT_SUPPORTED,
1110                    "VK_IMAGE_TILING_DRM_FORMAT_MODIFIER_EXT "
1111                    "requires VK_IMAGE_TYPE_2D");
1112          goto unsupported;
1113       }
1114 
1115       maxArraySize = 1;
1116       maxMipLevels = 1;
1117       sampleCounts = VK_SAMPLE_COUNT_1_BIT;
1118 
1119       if (isl_mod_info->aux_usage == ISL_AUX_USAGE_CCS_E &&
1120           !anv_formats_ccs_e_compatible(devinfo, info->flags, info->format,
1121                                         info->tiling, image_usage,
1122                                         format_list_info)) {
1123          goto unsupported;
1124       }
1125    }
1126 
1127    /* Our hardware doesn't support 1D compressed textures.
1128     *    From the SKL PRM, RENDER_SURFACE_STATE::SurfaceFormat:
1129     *    * This field cannot be a compressed (BC*, DXT*, FXT*, ETC*, EAC*) format
1130     *       if the Surface Type is SURFTYPE_1D.
1131     *    * This field cannot be ASTC format if the Surface Type is SURFTYPE_1D.
1132     */
1133    if (info->type == VK_IMAGE_TYPE_1D &&
1134        isl_format_is_compressed(format->planes[0].isl_format)) {
1135        goto unsupported;
1136    }
1137 
1138    if (info->tiling == VK_IMAGE_TILING_OPTIMAL &&
1139        info->type == VK_IMAGE_TYPE_2D &&
1140        (format_feature_flags & (VK_FORMAT_FEATURE_2_COLOR_ATTACHMENT_BIT |
1141                                 VK_FORMAT_FEATURE_2_DEPTH_STENCIL_ATTACHMENT_BIT)) &&
1142        !(info->flags & VK_IMAGE_CREATE_CUBE_COMPATIBLE_BIT) &&
1143        !(image_usage & VK_IMAGE_USAGE_STORAGE_BIT) &&
1144        isl_format_supports_multisampling(devinfo, format->planes[0].isl_format)) {
1145       sampleCounts = isl_device_get_sample_counts(&physical_device->isl_dev);
1146    }
1147 
1148    if (view_usage & VK_IMAGE_USAGE_TRANSFER_SRC_BIT) {
1149       if (!(format_feature_flags & (VK_FORMAT_FEATURE_2_TRANSFER_SRC_BIT |
1150                                     VK_FORMAT_FEATURE_2_BLIT_SRC_BIT))) {
1151          goto unsupported;
1152       }
1153    }
1154 
1155    if (view_usage & VK_IMAGE_USAGE_TRANSFER_DST_BIT) {
1156       if (!(format_feature_flags & (VK_FORMAT_FEATURE_2_TRANSFER_DST_BIT |
1157                                     VK_FORMAT_FEATURE_2_BLIT_DST_BIT))) {
1158          goto unsupported;
1159       }
1160    }
1161 
1162    if (view_usage & VK_IMAGE_USAGE_SAMPLED_BIT) {
1163       if (!(format_feature_flags & VK_FORMAT_FEATURE_2_SAMPLED_IMAGE_BIT)) {
1164          goto unsupported;
1165       }
1166    }
1167 
1168    if (image_usage & VK_IMAGE_USAGE_STORAGE_BIT) {
1169       /* Non-power-of-two formats can never be used as storage images.  We
1170        * only check plane 0 because there are no YCbCr formats with
1171        * non-power-of-two planes.
1172        */
1173       const struct isl_format_layout *isl_layout =
1174          isl_format_get_layout(format->planes[0].isl_format);
1175       if (!util_is_power_of_two_or_zero(isl_layout->bpb))
1176          goto unsupported;
1177    }
1178 
1179    if (view_usage & VK_IMAGE_USAGE_STORAGE_BIT) {
1180       if (!(format_feature_flags & VK_FORMAT_FEATURE_2_STORAGE_IMAGE_BIT)) {
1181          goto unsupported;
1182       }
1183    }
1184 
1185    if (view_usage & VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT) {
1186       if (!(format_feature_flags & VK_FORMAT_FEATURE_2_COLOR_ATTACHMENT_BIT)) {
1187          goto unsupported;
1188       }
1189    }
1190 
1191    if (view_usage & VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT) {
1192       if (!(format_feature_flags & VK_FORMAT_FEATURE_2_DEPTH_STENCIL_ATTACHMENT_BIT)) {
1193          goto unsupported;
1194       }
1195    }
1196 
1197    if (info->flags & VK_IMAGE_CREATE_DISJOINT_BIT) {
1198       /* From the Vulkan 1.2.149 spec, VkImageCreateInfo:
1199        *
1200        *    If format is a multi-planar format, and if imageCreateFormatFeatures
1201        *    (as defined in Image Creation Limits) does not contain
1202        *    VK_FORMAT_FEATURE_2_DISJOINT_BIT, then flags must not contain
1203        *    VK_IMAGE_CREATE_DISJOINT_BIT.
1204        */
1205       if (format->n_planes > 1 &&
1206           !(format_feature_flags & VK_FORMAT_FEATURE_2_DISJOINT_BIT)) {
1207          goto unsupported;
1208       }
1209 
1210       /* From the Vulkan 1.2.149 spec, VkImageCreateInfo:
1211        *
1212        * If format is not a multi-planar format, and flags does not include
1213        * VK_IMAGE_CREATE_ALIAS_BIT, flags must not contain
1214        * VK_IMAGE_CREATE_DISJOINT_BIT.
1215        */
1216       if (format->n_planes == 1 &&
1217           !(info->flags & VK_IMAGE_CREATE_ALIAS_BIT)) {
1218           goto unsupported;
1219       }
1220 
1221       if (info->tiling == VK_IMAGE_TILING_DRM_FORMAT_MODIFIER_EXT &&
1222           isl_mod_info->aux_usage != ISL_AUX_USAGE_NONE) {
1223          /* Rejection DISJOINT for consistency with the GL driver. In
1224           * eglCreateImage, we require that the dma_buf for the primary surface
1225           * and the dma_buf for its aux surface refer to the same bo.
1226           */
1227          goto unsupported;
1228       }
1229    }
1230 
1231    if (info->flags & VK_IMAGE_CREATE_ALIAS_BIT) {
1232       /* Reject aliasing of images with non-linear DRM format modifiers because:
1233        *
1234        * 1. For modifiers with compression, we store aux tracking state in
1235        *    ANV_IMAGE_MEMORY_BINDING_PRIVATE, which is not aliasable because it's
1236        *    not client-bound.
1237        *
1238        * 2. For tiled modifiers without compression, we may attempt to compress
1239        *    them behind the scenes, in which case both the aux tracking state
1240        *    and the CCS data are bound to ANV_IMAGE_MEMORY_BINDING_PRIVATE.
1241        */
1242       if (info->tiling == VK_IMAGE_TILING_DRM_FORMAT_MODIFIER_EXT &&
1243           isl_mod_info->modifier != DRM_FORMAT_MOD_LINEAR) {
1244          goto unsupported;
1245       }
1246    }
1247 
1248    if (image_usage & VK_IMAGE_USAGE_TRANSIENT_ATTACHMENT_BIT) {
1249       /* Nothing to check. */
1250    }
1251 
1252    if (image_usage & VK_IMAGE_USAGE_INPUT_ATTACHMENT_BIT) {
1253       /* Ignore this flag because it was removed from the
1254        * provisional_I_20150910 header.
1255        */
1256    }
1257 
1258    /* From the bspec section entitled "Surface Layout and Tiling",
1259     * pre-gfx9 has a 2 GB limitation of the size in bytes,
1260     * gfx9 and gfx10 have a 256 GB limitation and gfx11+
1261     * has a 16 TB limitation.
1262     */
1263    uint64_t maxResourceSize = 0;
1264    if (devinfo->ver < 9)
1265       maxResourceSize = (uint64_t) 1 << 31;
1266    else if (devinfo->ver < 11)
1267       maxResourceSize = (uint64_t) 1 << 38;
1268    else
1269       maxResourceSize = (uint64_t) 1 << 44;
1270 
1271    *pImageFormatProperties = (VkImageFormatProperties) {
1272       .maxExtent = maxExtent,
1273       .maxMipLevels = maxMipLevels,
1274       .maxArrayLayers = maxArraySize,
1275       .sampleCounts = sampleCounts,
1276 
1277       /* FINISHME: Accurately calculate
1278        * VkImageFormatProperties::maxResourceSize.
1279        */
1280       .maxResourceSize = maxResourceSize,
1281    };
1282 
1283    if (pYcbcrImageFormatProperties) {
1284       pYcbcrImageFormatProperties->combinedImageSamplerDescriptorCount =
1285          format->n_planes;
1286    }
1287 
1288    return VK_SUCCESS;
1289 
1290 unsupported:
1291    *pImageFormatProperties = (VkImageFormatProperties) {
1292       .maxExtent = { 0, 0, 0 },
1293       .maxMipLevels = 0,
1294       .maxArrayLayers = 0,
1295       .sampleCounts = 0,
1296       .maxResourceSize = 0,
1297    };
1298 
1299    return VK_ERROR_FORMAT_NOT_SUPPORTED;
1300 }
1301 
anv_GetPhysicalDeviceImageFormatProperties(VkPhysicalDevice physicalDevice,VkFormat format,VkImageType type,VkImageTiling tiling,VkImageUsageFlags usage,VkImageCreateFlags createFlags,VkImageFormatProperties * pImageFormatProperties)1302 VkResult anv_GetPhysicalDeviceImageFormatProperties(
1303     VkPhysicalDevice                            physicalDevice,
1304     VkFormat                                    format,
1305     VkImageType                                 type,
1306     VkImageTiling                               tiling,
1307     VkImageUsageFlags                           usage,
1308     VkImageCreateFlags                          createFlags,
1309     VkImageFormatProperties*                    pImageFormatProperties)
1310 {
1311    ANV_FROM_HANDLE(anv_physical_device, physical_device, physicalDevice);
1312 
1313    const VkPhysicalDeviceImageFormatInfo2 info = {
1314       .sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_IMAGE_FORMAT_INFO_2,
1315       .pNext = NULL,
1316       .format = format,
1317       .type = type,
1318       .tiling = tiling,
1319       .usage = usage,
1320       .flags = createFlags,
1321    };
1322 
1323    return anv_get_image_format_properties(physical_device, &info,
1324                                           pImageFormatProperties, NULL);
1325 }
1326 
1327 
1328 /* Supports opaque fd but not dma_buf. */
1329 static const VkExternalMemoryProperties opaque_fd_only_props = {
1330    .externalMemoryFeatures =
1331       VK_EXTERNAL_MEMORY_FEATURE_EXPORTABLE_BIT |
1332       VK_EXTERNAL_MEMORY_FEATURE_IMPORTABLE_BIT,
1333    .exportFromImportedHandleTypes =
1334       VK_EXTERNAL_MEMORY_HANDLE_TYPE_OPAQUE_FD_BIT,
1335    .compatibleHandleTypes =
1336       VK_EXTERNAL_MEMORY_HANDLE_TYPE_OPAQUE_FD_BIT,
1337 };
1338 
1339 /* Supports opaque fd and dma_buf. */
1340 static const VkExternalMemoryProperties opaque_fd_dma_buf_props = {
1341    .externalMemoryFeatures =
1342       VK_EXTERNAL_MEMORY_FEATURE_EXPORTABLE_BIT |
1343       VK_EXTERNAL_MEMORY_FEATURE_IMPORTABLE_BIT,
1344    .exportFromImportedHandleTypes =
1345       VK_EXTERNAL_MEMORY_HANDLE_TYPE_OPAQUE_FD_BIT |
1346       VK_EXTERNAL_MEMORY_HANDLE_TYPE_DMA_BUF_BIT_EXT,
1347    .compatibleHandleTypes =
1348       VK_EXTERNAL_MEMORY_HANDLE_TYPE_OPAQUE_FD_BIT |
1349       VK_EXTERNAL_MEMORY_HANDLE_TYPE_DMA_BUF_BIT_EXT,
1350 };
1351 
1352 static const VkExternalMemoryProperties userptr_props = {
1353    .externalMemoryFeatures = VK_EXTERNAL_MEMORY_FEATURE_IMPORTABLE_BIT,
1354    .exportFromImportedHandleTypes = 0,
1355    .compatibleHandleTypes =
1356       VK_EXTERNAL_MEMORY_HANDLE_TYPE_HOST_ALLOCATION_BIT_EXT,
1357 };
1358 
1359 static const VkExternalMemoryProperties android_buffer_props = {
1360    .externalMemoryFeatures = VK_EXTERNAL_MEMORY_FEATURE_EXPORTABLE_BIT |
1361                              VK_EXTERNAL_MEMORY_FEATURE_IMPORTABLE_BIT,
1362    .exportFromImportedHandleTypes =
1363       VK_EXTERNAL_MEMORY_HANDLE_TYPE_ANDROID_HARDWARE_BUFFER_BIT_ANDROID,
1364    .compatibleHandleTypes =
1365       VK_EXTERNAL_MEMORY_HANDLE_TYPE_ANDROID_HARDWARE_BUFFER_BIT_ANDROID,
1366 };
1367 
1368 
1369 static const VkExternalMemoryProperties android_image_props = {
1370    .externalMemoryFeatures = VK_EXTERNAL_MEMORY_FEATURE_EXPORTABLE_BIT |
1371                              VK_EXTERNAL_MEMORY_FEATURE_IMPORTABLE_BIT |
1372                              VK_EXTERNAL_MEMORY_FEATURE_DEDICATED_ONLY_BIT,
1373    .exportFromImportedHandleTypes =
1374       VK_EXTERNAL_MEMORY_HANDLE_TYPE_ANDROID_HARDWARE_BUFFER_BIT_ANDROID,
1375    .compatibleHandleTypes =
1376       VK_EXTERNAL_MEMORY_HANDLE_TYPE_ANDROID_HARDWARE_BUFFER_BIT_ANDROID,
1377 };
1378 
anv_GetPhysicalDeviceImageFormatProperties2(VkPhysicalDevice physicalDevice,const VkPhysicalDeviceImageFormatInfo2 * base_info,VkImageFormatProperties2 * base_props)1379 VkResult anv_GetPhysicalDeviceImageFormatProperties2(
1380     VkPhysicalDevice                            physicalDevice,
1381     const VkPhysicalDeviceImageFormatInfo2*     base_info,
1382     VkImageFormatProperties2*                   base_props)
1383 {
1384    ANV_FROM_HANDLE(anv_physical_device, physical_device, physicalDevice);
1385    const VkPhysicalDeviceExternalImageFormatInfo *external_info = NULL;
1386    VkExternalImageFormatProperties *external_props = NULL;
1387    VkSamplerYcbcrConversionImageFormatProperties *ycbcr_props = NULL;
1388    VkAndroidHardwareBufferUsageANDROID *android_usage = NULL;
1389    VkResult result;
1390 
1391    /* Extract input structs */
1392    vk_foreach_struct_const(s, base_info->pNext) {
1393       switch (s->sType) {
1394       case VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_EXTERNAL_IMAGE_FORMAT_INFO:
1395          external_info = (const void *) s;
1396          break;
1397       case VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_IMAGE_DRM_FORMAT_MODIFIER_INFO_EXT:
1398       case VK_STRUCTURE_TYPE_IMAGE_FORMAT_LIST_CREATE_INFO:
1399          /* anv_get_image_format_properties will handle these */
1400          break;
1401       case VK_STRUCTURE_TYPE_IMAGE_STENCIL_USAGE_CREATE_INFO:
1402          /* Ignore but don't warn */
1403          break;
1404       default:
1405          anv_debug_ignored_stype(s->sType);
1406          break;
1407       }
1408    }
1409 
1410    /* Extract output structs */
1411    vk_foreach_struct(s, base_props->pNext) {
1412       switch (s->sType) {
1413       case VK_STRUCTURE_TYPE_EXTERNAL_IMAGE_FORMAT_PROPERTIES:
1414          external_props = (void *) s;
1415          break;
1416       case VK_STRUCTURE_TYPE_SAMPLER_YCBCR_CONVERSION_IMAGE_FORMAT_PROPERTIES:
1417          ycbcr_props = (void *) s;
1418          break;
1419       case VK_STRUCTURE_TYPE_ANDROID_HARDWARE_BUFFER_USAGE_ANDROID:
1420          android_usage = (void *) s;
1421          break;
1422       default:
1423          anv_debug_ignored_stype(s->sType);
1424          break;
1425       }
1426    }
1427 
1428    result = anv_get_image_format_properties(physical_device, base_info,
1429                &base_props->imageFormatProperties, ycbcr_props);
1430    if (result != VK_SUCCESS)
1431       goto fail;
1432 
1433    bool ahw_supported =
1434       physical_device->vk.supported_extensions.ANDROID_external_memory_android_hardware_buffer;
1435 
1436    if (ahw_supported && android_usage) {
1437       android_usage->androidHardwareBufferUsage =
1438          anv_ahw_usage_from_vk_usage(base_info->flags,
1439                                      base_info->usage);
1440 
1441       /* Limit maxArrayLayers to 1 for AHardwareBuffer based images for now. */
1442       base_props->imageFormatProperties.maxArrayLayers = 1;
1443    }
1444 
1445    /* From the Vulkan 1.0.42 spec:
1446     *
1447     *    If handleType is 0, vkGetPhysicalDeviceImageFormatProperties2 will
1448     *    behave as if VkPhysicalDeviceExternalImageFormatInfo was not
1449     *    present and VkExternalImageFormatProperties will be ignored.
1450     */
1451    if (external_info && external_info->handleType != 0) {
1452       /* Does there exist a method for app and driver to explicitly communicate
1453        * to each other the image's memory layout?
1454        */
1455       bool tiling_has_explicit_layout;
1456 
1457       switch (base_info->tiling) {
1458       default:
1459          unreachable("bad VkImageTiling");
1460       case VK_IMAGE_TILING_LINEAR:
1461          /* The app can query the image's memory layout with
1462           * vkGetImageSubresourceLayout.
1463           */
1464          tiling_has_explicit_layout = true;
1465          break;
1466       case VK_IMAGE_TILING_DRM_FORMAT_MODIFIER_EXT:
1467          /* The app can provide the image's memory layout with
1468           * VkImageDrmFormatModifierExplicitCreateInfoEXT;
1469           * or the app can query it with vkGetImageSubresourceLayout.
1470           */
1471          tiling_has_explicit_layout = true;
1472          break;
1473       case VK_IMAGE_TILING_OPTIMAL:
1474          /* The app can neither query nor provide the image's memory layout. */
1475          tiling_has_explicit_layout = false;
1476          break;
1477       }
1478 
1479       /* Compatibility between tiling and external memory handles
1480        * --------------------------------------------------------
1481        * When importing or exporting an image, there must exist a method that
1482        * enables the app and driver to agree on the image's memory layout. If no
1483        * method exists, then we reject image creation here.
1484        *
1485        * If the memory handle requires matching
1486        * VkPhysicalDeviceIDProperties::driverUUID and ::deviceUUID, then the
1487        * match-requirement guarantees that all users of the image agree on the
1488        * image's memory layout.
1489        *
1490        * If the memory handle does not require matching
1491        * VkPhysicalDeviceIDProperties::driverUUID nor ::deviceUUID, then we
1492        * require that the app and driver be able to explicitly communicate to
1493        * each other the image's memory layout.
1494        *
1495        * (For restrictions on driverUUID and deviceUUID, see the Vulkan 1.2.149
1496        * spec, Table 73 "External memory handle types").
1497        */
1498       switch (external_info->handleType) {
1499       case VK_EXTERNAL_MEMORY_HANDLE_TYPE_OPAQUE_FD_BIT:
1500          if (external_props) {
1501             if (tiling_has_explicit_layout) {
1502                /* With an explicit memory layout, we don't care which type of fd
1503                 * the image belongs too. Both OPAQUE_FD and DMA_BUF are
1504                 * interchangeable here.
1505                 */
1506                external_props->externalMemoryProperties = opaque_fd_dma_buf_props;
1507             } else {
1508                /* With an implicit memory layout, we must rely on deviceUUID
1509                 * and driverUUID to determine the layout. Therefore DMA_BUF is
1510                 * incompatible here.
1511                 */
1512                external_props->externalMemoryProperties = opaque_fd_only_props;
1513             }
1514          }
1515          break;
1516       case VK_EXTERNAL_MEMORY_HANDLE_TYPE_DMA_BUF_BIT_EXT:
1517          /* This memory handle has no restrictions on driverUUID nor deviceUUID,
1518           * and therefore requires explicit memory layout.
1519           */
1520          if (!tiling_has_explicit_layout) {
1521             result = vk_errorf(physical_device, VK_ERROR_FORMAT_NOT_SUPPORTED,
1522                                "VK_EXTERNAL_MEMORY_HANDLE_TYPE_DMA_BUF_BIT_EXT "
1523                                "requires VK_IMAGE_TILING_LINEAR or "
1524                                "VK_IMAGE_TILING_DRM_FORMAT_MODIFIER_EXT");
1525             goto fail;
1526          }
1527 
1528          /* With an explicit memory layout, we don't care which type of fd
1529           * the image belongs too. Both OPAQUE_FD and DMA_BUF are
1530           * interchangeable here.
1531           */
1532          if (external_props)
1533             external_props->externalMemoryProperties = opaque_fd_dma_buf_props;
1534          break;
1535       case VK_EXTERNAL_MEMORY_HANDLE_TYPE_HOST_ALLOCATION_BIT_EXT:
1536          /* This memory handle has no restrictions on driverUUID nor deviceUUID,
1537           * and therefore requires explicit memory layout.
1538           */
1539          if (!tiling_has_explicit_layout) {
1540             result = vk_errorf(physical_device, VK_ERROR_FORMAT_NOT_SUPPORTED,
1541                                "VK_EXTERNAL_MEMORY_HANDLE_TYPE_HOST_ALLOCATION_BIT_EXT "
1542                                "requires VK_IMAGE_TILING_LINEAR or "
1543                                "VK_IMAGE_TILING_DRM_FORMAT_MODIFIER_EXT");
1544             goto fail;
1545          }
1546 
1547          if (external_props)
1548             external_props->externalMemoryProperties = userptr_props;
1549          break;
1550       case VK_EXTERNAL_MEMORY_HANDLE_TYPE_ANDROID_HARDWARE_BUFFER_BIT_ANDROID:
1551          /* This memory handle is magic. The Vulkan spec says it has no
1552           * requirements regarding deviceUUID nor driverUUID, but Android still
1553           * requires support for VK_IMAGE_TILING_OPTIMAL. Android systems
1554           * communicate the image's memory layout through backdoor channels.
1555           */
1556          if (ahw_supported && external_props) {
1557             external_props->externalMemoryProperties = android_image_props;
1558             break;
1559          }
1560          FALLTHROUGH; /* If ahw not supported */
1561       default:
1562          /* From the Vulkan 1.0.42 spec:
1563           *
1564           *    If handleType is not compatible with the [parameters] specified
1565           *    in VkPhysicalDeviceImageFormatInfo2, then
1566           *    vkGetPhysicalDeviceImageFormatProperties2 returns
1567           *    VK_ERROR_FORMAT_NOT_SUPPORTED.
1568           */
1569          result = vk_errorf(physical_device, VK_ERROR_FORMAT_NOT_SUPPORTED,
1570                             "unsupported VkExternalMemoryTypeFlagBits 0x%x",
1571                             external_info->handleType);
1572          goto fail;
1573       }
1574    }
1575 
1576    return VK_SUCCESS;
1577 
1578  fail:
1579    if (result == VK_ERROR_FORMAT_NOT_SUPPORTED) {
1580       /* From the Vulkan 1.0.42 spec:
1581        *
1582        *    If the combination of parameters to
1583        *    vkGetPhysicalDeviceImageFormatProperties2 is not supported by
1584        *    the implementation for use in vkCreateImage, then all members of
1585        *    imageFormatProperties will be filled with zero.
1586        */
1587       base_props->imageFormatProperties = (VkImageFormatProperties) {};
1588    }
1589 
1590    return result;
1591 }
1592 
anv_GetPhysicalDeviceSparseImageFormatProperties(VkPhysicalDevice physicalDevice,VkFormat format,VkImageType type,uint32_t samples,VkImageUsageFlags usage,VkImageTiling tiling,uint32_t * pNumProperties,VkSparseImageFormatProperties * pProperties)1593 void anv_GetPhysicalDeviceSparseImageFormatProperties(
1594     VkPhysicalDevice                            physicalDevice,
1595     VkFormat                                    format,
1596     VkImageType                                 type,
1597     uint32_t                                    samples,
1598     VkImageUsageFlags                           usage,
1599     VkImageTiling                               tiling,
1600     uint32_t*                                   pNumProperties,
1601     VkSparseImageFormatProperties*              pProperties)
1602 {
1603    /* Sparse images are not yet supported. */
1604    *pNumProperties = 0;
1605 }
1606 
anv_GetPhysicalDeviceSparseImageFormatProperties2(VkPhysicalDevice physicalDevice,const VkPhysicalDeviceSparseImageFormatInfo2 * pFormatInfo,uint32_t * pPropertyCount,VkSparseImageFormatProperties2 * pProperties)1607 void anv_GetPhysicalDeviceSparseImageFormatProperties2(
1608     VkPhysicalDevice                            physicalDevice,
1609     const VkPhysicalDeviceSparseImageFormatInfo2* pFormatInfo,
1610     uint32_t*                                   pPropertyCount,
1611     VkSparseImageFormatProperties2*             pProperties)
1612 {
1613    /* Sparse images are not yet supported. */
1614    *pPropertyCount = 0;
1615 }
1616 
anv_GetPhysicalDeviceExternalBufferProperties(VkPhysicalDevice physicalDevice,const VkPhysicalDeviceExternalBufferInfo * pExternalBufferInfo,VkExternalBufferProperties * pExternalBufferProperties)1617 void anv_GetPhysicalDeviceExternalBufferProperties(
1618     VkPhysicalDevice                             physicalDevice,
1619     const VkPhysicalDeviceExternalBufferInfo*    pExternalBufferInfo,
1620     VkExternalBufferProperties*                  pExternalBufferProperties)
1621 {
1622    /* The Vulkan 1.0.42 spec says "handleType must be a valid
1623     * VkExternalMemoryHandleTypeFlagBits value" in
1624     * VkPhysicalDeviceExternalBufferInfo. This differs from
1625     * VkPhysicalDeviceExternalImageFormatInfo, which surprisingly permits
1626     * handleType == 0.
1627     */
1628    assert(pExternalBufferInfo->handleType != 0);
1629 
1630    /* All of the current flags are for sparse which we don't support yet.
1631     * Even when we do support it, doing sparse on external memory sounds
1632     * sketchy.  Also, just disallowing flags is the safe option.
1633     */
1634    if (pExternalBufferInfo->flags)
1635       goto unsupported;
1636 
1637    ANV_FROM_HANDLE(anv_physical_device, physical_device, physicalDevice);
1638 
1639    switch (pExternalBufferInfo->handleType) {
1640    case VK_EXTERNAL_MEMORY_HANDLE_TYPE_OPAQUE_FD_BIT:
1641    case VK_EXTERNAL_MEMORY_HANDLE_TYPE_DMA_BUF_BIT_EXT:
1642       pExternalBufferProperties->externalMemoryProperties = opaque_fd_dma_buf_props;
1643       return;
1644    case VK_EXTERNAL_MEMORY_HANDLE_TYPE_HOST_ALLOCATION_BIT_EXT:
1645       pExternalBufferProperties->externalMemoryProperties = userptr_props;
1646       return;
1647    case VK_EXTERNAL_MEMORY_HANDLE_TYPE_ANDROID_HARDWARE_BUFFER_BIT_ANDROID:
1648       if (physical_device->vk.supported_extensions.ANDROID_external_memory_android_hardware_buffer) {
1649          pExternalBufferProperties->externalMemoryProperties = android_buffer_props;
1650          return;
1651       }
1652       FALLTHROUGH; /* If ahw not supported */
1653    default:
1654       goto unsupported;
1655    }
1656 
1657  unsupported:
1658    /* From the Vulkan 1.1.113 spec:
1659     *
1660     *    compatibleHandleTypes must include at least handleType.
1661     */
1662    pExternalBufferProperties->externalMemoryProperties =
1663       (VkExternalMemoryProperties) {
1664          .compatibleHandleTypes = pExternalBufferInfo->handleType,
1665       };
1666 }
1667 
anv_CreateSamplerYcbcrConversion(VkDevice _device,const VkSamplerYcbcrConversionCreateInfo * pCreateInfo,const VkAllocationCallbacks * pAllocator,VkSamplerYcbcrConversion * pYcbcrConversion)1668 VkResult anv_CreateSamplerYcbcrConversion(
1669     VkDevice                                    _device,
1670     const VkSamplerYcbcrConversionCreateInfo*   pCreateInfo,
1671     const VkAllocationCallbacks*                pAllocator,
1672     VkSamplerYcbcrConversion*                   pYcbcrConversion)
1673 {
1674    ANV_FROM_HANDLE(anv_device, device, _device);
1675    struct anv_ycbcr_conversion *conversion;
1676 
1677    /* Search for VkExternalFormatANDROID and resolve the format. */
1678    struct anv_format *ext_format = NULL;
1679    const VkExternalFormatANDROID *ext_info =
1680       vk_find_struct_const(pCreateInfo->pNext, EXTERNAL_FORMAT_ANDROID);
1681 
1682    uint64_t format = ext_info ? ext_info->externalFormat : 0;
1683    if (format) {
1684       assert(pCreateInfo->format == VK_FORMAT_UNDEFINED);
1685       ext_format = (struct anv_format *) (uintptr_t) format;
1686    }
1687 
1688    assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_SAMPLER_YCBCR_CONVERSION_CREATE_INFO);
1689 
1690    conversion = vk_object_zalloc(&device->vk, pAllocator, sizeof(*conversion),
1691                                  VK_OBJECT_TYPE_SAMPLER_YCBCR_CONVERSION);
1692    if (!conversion)
1693       return vk_error(device, VK_ERROR_OUT_OF_HOST_MEMORY);
1694 
1695    conversion->format = anv_get_format(pCreateInfo->format);
1696    conversion->ycbcr_model = pCreateInfo->ycbcrModel;
1697    conversion->ycbcr_range = pCreateInfo->ycbcrRange;
1698 
1699    /* The Vulkan 1.1.95 spec says "When creating an external format conversion,
1700     * the value of components if ignored."
1701     */
1702    if (!ext_format) {
1703       conversion->mapping[0] = pCreateInfo->components.r;
1704       conversion->mapping[1] = pCreateInfo->components.g;
1705       conversion->mapping[2] = pCreateInfo->components.b;
1706       conversion->mapping[3] = pCreateInfo->components.a;
1707    }
1708 
1709    conversion->chroma_offsets[0] = pCreateInfo->xChromaOffset;
1710    conversion->chroma_offsets[1] = pCreateInfo->yChromaOffset;
1711    conversion->chroma_filter = pCreateInfo->chromaFilter;
1712 
1713    /* Setup external format. */
1714    if (ext_format)
1715       conversion->format = ext_format;
1716 
1717    bool has_chroma_subsampled = false;
1718    for (uint32_t p = 0; p < conversion->format->n_planes; p++) {
1719       if (conversion->format->planes[p].has_chroma &&
1720           (conversion->format->planes[p].denominator_scales[0] > 1 ||
1721            conversion->format->planes[p].denominator_scales[1] > 1))
1722          has_chroma_subsampled = true;
1723    }
1724    conversion->chroma_reconstruction = has_chroma_subsampled &&
1725       (conversion->chroma_offsets[0] == VK_CHROMA_LOCATION_COSITED_EVEN ||
1726        conversion->chroma_offsets[1] == VK_CHROMA_LOCATION_COSITED_EVEN);
1727 
1728    *pYcbcrConversion = anv_ycbcr_conversion_to_handle(conversion);
1729 
1730    return VK_SUCCESS;
1731 }
1732 
anv_DestroySamplerYcbcrConversion(VkDevice _device,VkSamplerYcbcrConversion YcbcrConversion,const VkAllocationCallbacks * pAllocator)1733 void anv_DestroySamplerYcbcrConversion(
1734     VkDevice                                    _device,
1735     VkSamplerYcbcrConversion                    YcbcrConversion,
1736     const VkAllocationCallbacks*                pAllocator)
1737 {
1738    ANV_FROM_HANDLE(anv_device, device, _device);
1739    ANV_FROM_HANDLE(anv_ycbcr_conversion, conversion, YcbcrConversion);
1740 
1741    if (!conversion)
1742       return;
1743 
1744    vk_object_free(&device->vk, pAllocator, conversion);
1745 }
1746