1 /*
2 * Copyright © 2016 Rob Clark <[email protected]>
3 * Copyright © 2018 Google, Inc.
4 * SPDX-License-Identifier: MIT
5 *
6 * Authors:
7 * Rob Clark <[email protected]>
8 */
9
10 #include "util/format/u_format.h"
11
12 #include "fd6_format_table.h"
13
14 /* Specifies the table of all the formats and their features. Also supplies
15 * the helpers that look up various data in those tables.
16 */
17
18 struct fd6_format {
19 enum a6xx_format vtx;
20 enum a6xx_format tex;
21 enum a6xx_format rb;
22 enum a3xx_color_swap swap;
23 bool present;
24 };
25
26 #define FMT(pipe, vtxfmt, texfmt, rbfmt, swapfmt) \
27 [PIPE_FORMAT_##pipe] = {.present = 1, \
28 .vtx = FMT6_##vtxfmt, \
29 .tex = FMT6_##texfmt, \
30 .rb = FMT6_##rbfmt, \
31 .swap = swapfmt}
32
33 /* vertex + texture + color */
34 #define VTC(pipe, fmt, swapfmt) FMT(pipe, fmt, fmt, fmt, swapfmt)
35
36 #define _TC(pipe, fmt, swapfmt) FMT(pipe, NONE, fmt, fmt, swapfmt)
37 #define _T_(pipe, fmt, swapfmt) FMT(pipe, NONE, fmt, NONE, swapfmt)
38 #define VT_(pipe, fmt, swapfmt) FMT(pipe, fmt, fmt, NONE, swapfmt)
39 #define V__(pipe, fmt, swapfmt) FMT(pipe, fmt, NONE, NONE, swapfmt)
40
41 /* clang-format off */
42 static const struct fd6_format formats[PIPE_FORMAT_COUNT] = {
43 /* 8-bit */
44 VTC(R8_UNORM, 8_UNORM, WZYX),
45 VTC(R8_SNORM, 8_SNORM, WZYX),
46 VTC(R8_UINT, 8_UINT, WZYX),
47 VTC(R8_SINT, 8_SINT, WZYX),
48 V__(R8_USCALED, 8_UINT, WZYX),
49 V__(R8_SSCALED, 8_SINT, WZYX),
50 _TC(R8_SRGB, 8_UNORM, WZYX),
51 _TC(Y8_UNORM, NV12_Y, WZYX),
52
53 _TC(A8_UNORM, A8_UNORM, WZYX),
54 _TC(L8_UNORM, 8_UNORM, WZYX),
55 _TC(L8_SRGB, 8_UNORM, WZYX),
56 _TC(L8_SNORM, 8_SNORM, WZYX),
57 _T_(I8_UNORM, 8_UNORM, WZYX),
58 _T_(I8_SNORM, 8_SNORM, WZYX),
59
60 _T_(A8_UINT, 8_UINT, WZYX),
61 _T_(A8_SINT, 8_SINT, WZYX),
62 _T_(L8_UINT, 8_UINT, WZYX),
63 _T_(L8_SINT, 8_SINT, WZYX),
64 _T_(I8_UINT, 8_UINT, WZYX),
65 _T_(I8_SINT, 8_SINT, WZYX),
66
67 _TC(S8_UINT, 8_UINT, WZYX),
68
69 /* 16-bit */
70 VTC(R16_UNORM, 16_UNORM, WZYX),
71 VTC(R16_SNORM, 16_SNORM, WZYX),
72 VTC(R16_UINT, 16_UINT, WZYX),
73 VTC(R16_SINT, 16_SINT, WZYX),
74 V__(R16_USCALED, 16_UINT, WZYX),
75 V__(R16_SSCALED, 16_SINT, WZYX),
76 VTC(R16_FLOAT, 16_FLOAT, WZYX),
77 _TC(Z16_UNORM, 16_UNORM, WZYX),
78
79 _T_(A16_UNORM, 16_UNORM, WZYX),
80 _T_(A16_SNORM, 16_SNORM, WZYX),
81 _T_(A16_UINT, 16_UINT, WZYX),
82 _T_(A16_SINT, 16_SINT, WZYX),
83 _T_(A16_FLOAT, 16_FLOAT, WZYX),
84 _T_(L16_UNORM, 16_UNORM, WZYX),
85 _T_(L16_SNORM, 16_SNORM, WZYX),
86 _T_(L16_UINT, 16_UINT, WZYX),
87 _T_(L16_SINT, 16_SINT, WZYX),
88 _T_(L16_FLOAT, 16_FLOAT, WZYX),
89 _T_(I16_UNORM, 16_UNORM, WZYX),
90 _T_(I16_SNORM, 16_SNORM, WZYX),
91 _T_(I16_UINT, 16_UINT, WZYX),
92 _T_(I16_SINT, 16_SINT, WZYX),
93 _T_(I16_FLOAT, 16_FLOAT, WZYX),
94
95 VTC(R8G8_UNORM, 8_8_UNORM, WZYX),
96 VTC(R8G8_SNORM, 8_8_SNORM, WZYX),
97 VTC(R8G8_UINT, 8_8_UINT, WZYX),
98 VTC(R8G8_SINT, 8_8_SINT, WZYX),
99 V__(R8G8_USCALED, 8_8_UINT, WZYX),
100 V__(R8G8_SSCALED, 8_8_SINT, WZYX),
101 _TC(R8G8_SRGB, 8_8_UNORM, WZYX),
102
103 _T_(L8A8_UNORM, 8_8_UNORM, WZYX),
104 _T_(L8A8_UINT, 8_8_UINT, WZYX),
105 _T_(L8A8_SINT, 8_8_SINT, WZYX),
106
107 _TC(R5G6B5_UNORM, 5_6_5_UNORM, WZYX),
108 _TC(B5G6R5_UNORM, 5_6_5_UNORM, WXYZ),
109
110 _TC(R5G5B5A1_UNORM, 5_5_5_1_UNORM, WZYX),
111 _TC(B5G5R5A1_UNORM, 5_5_5_1_UNORM, WXYZ),
112 _TC(B5G5R5X1_UNORM, 5_5_5_1_UNORM, WXYZ),
113 _TC(A1R5G5B5_UNORM, 5_5_5_1_UNORM, ZYXW),
114 _TC(A1B5G5R5_UNORM, 5_5_5_1_UNORM, XYZW),
115
116 _TC(R4G4B4A4_UNORM, 4_4_4_4_UNORM, WZYX),
117 _TC(B4G4R4A4_UNORM, 4_4_4_4_UNORM, WXYZ),
118 _TC(A4R4G4B4_UNORM, 4_4_4_4_UNORM, ZYXW),
119 _TC(A4B4G4R4_UNORM, 4_4_4_4_UNORM, XYZW),
120
121 /* 24-bit */
122 VT_(R8G8B8_UNORM, 8_8_8_UNORM, WZYX),
123 VT_(R8G8B8_SNORM, 8_8_8_SNORM, WZYX),
124 VT_(R8G8B8_UINT, 8_8_8_UINT, WZYX),
125 VT_(R8G8B8_SINT, 8_8_8_SINT, WZYX),
126 V__(R8G8B8_USCALED, 8_8_8_UINT, WZYX),
127 V__(R8G8B8_SSCALED, 8_8_8_SINT, WZYX),
128
129 /* 32-bit */
130 V__(R32_UNORM, 32_UNORM, WZYX),
131 V__(R32_SNORM, 32_SNORM, WZYX),
132 VTC(R32_UINT, 32_UINT, WZYX),
133 VTC(R32_SINT, 32_SINT, WZYX),
134 V__(R32_USCALED, 32_UINT, WZYX),
135 V__(R32_SSCALED, 32_SINT, WZYX),
136 VTC(R32_FLOAT, 32_FLOAT, WZYX),
137 V__(R32_FIXED, 32_FIXED, WZYX),
138
139 _T_(A32_UINT, 32_UINT, WZYX),
140 _T_(A32_SINT, 32_SINT, WZYX),
141 _T_(A32_FLOAT, 32_FLOAT, WZYX),
142 _T_(L32_UINT, 32_UINT, WZYX),
143 _T_(L32_SINT, 32_SINT, WZYX),
144 _T_(L32_FLOAT, 32_FLOAT, WZYX),
145 _T_(I32_UINT, 32_UINT, WZYX),
146 _T_(I32_SINT, 32_SINT, WZYX),
147 _T_(I32_FLOAT, 32_FLOAT, WZYX),
148
149 VTC(R16G16_UNORM, 16_16_UNORM, WZYX),
150 VTC(R16G16_SNORM, 16_16_SNORM, WZYX),
151 VTC(R16G16_UINT, 16_16_UINT, WZYX),
152 VTC(R16G16_SINT, 16_16_SINT, WZYX),
153 V__(R16G16_USCALED, 16_16_UINT, WZYX),
154 V__(R16G16_SSCALED, 16_16_SINT, WZYX),
155 VTC(R16G16_FLOAT, 16_16_FLOAT, WZYX),
156
157 _T_(L16A16_UNORM, 16_16_UNORM, WZYX),
158 _T_(L16A16_SNORM, 16_16_SNORM, WZYX),
159 _T_(L16A16_UINT, 16_16_UINT, WZYX),
160 _T_(L16A16_SINT, 16_16_SINT, WZYX),
161 _T_(L16A16_FLOAT, 16_16_FLOAT, WZYX),
162
163 VTC(R8G8B8A8_UNORM, 8_8_8_8_UNORM, WZYX),
164 _TC(R8G8B8X8_UNORM, 8_8_8_8_UNORM, WZYX),
165 _TC(R8G8B8A8_SRGB, 8_8_8_8_UNORM, WZYX),
166 _TC(R8G8B8X8_SRGB, 8_8_8_8_UNORM, WZYX),
167 VTC(R8G8B8A8_SNORM, 8_8_8_8_SNORM, WZYX),
168 VTC(R8G8B8X8_SNORM, 8_8_8_8_SNORM, WZYX),
169 VTC(R8G8B8A8_UINT, 8_8_8_8_UINT, WZYX),
170 VTC(R8G8B8A8_SINT, 8_8_8_8_SINT, WZYX),
171 V__(R8G8B8A8_USCALED, 8_8_8_8_UINT, WZYX),
172 V__(R8G8B8A8_SSCALED, 8_8_8_8_SINT, WZYX),
173
174 VTC(B8G8R8A8_UNORM, 8_8_8_8_UNORM, WXYZ),
175 _TC(B8G8R8X8_UNORM, 8_8_8_8_UNORM, WXYZ),
176 _TC(B8G8R8A8_SRGB, 8_8_8_8_UNORM, WXYZ),
177 _TC(B8G8R8X8_SRGB, 8_8_8_8_UNORM, WXYZ),
178 VTC(B8G8R8A8_SNORM, 8_8_8_8_SNORM, WXYZ),
179 VTC(B8G8R8A8_UINT, 8_8_8_8_UINT, WXYZ),
180 VTC(B8G8R8A8_SINT, 8_8_8_8_SINT, WXYZ),
181 V__(B8G8R8A8_USCALED, 8_8_8_8_UINT, WXYZ),
182 V__(B8G8R8A8_SSCALED, 8_8_8_8_SINT, WXYZ),
183
184 VTC(A8B8G8R8_UNORM, 8_8_8_8_UNORM, XYZW),
185 _TC(X8B8G8R8_UNORM, 8_8_8_8_UNORM, XYZW),
186 _TC(A8B8G8R8_SRGB, 8_8_8_8_UNORM, XYZW),
187 _TC(X8B8G8R8_SRGB, 8_8_8_8_UNORM, XYZW),
188 VTC(A8B8G8R8_SNORM, 8_8_8_8_SNORM, XYZW),
189 VTC(X8B8G8R8_SNORM, 8_8_8_8_SNORM, XYZW),
190 VTC(A8B8G8R8_UINT, 8_8_8_8_UINT, XYZW),
191 VTC(X8B8G8R8_SINT, 8_8_8_8_SINT, XYZW),
192
193 VTC(A8R8G8B8_UNORM, 8_8_8_8_UNORM, ZYXW),
194 _TC(X8R8G8B8_UNORM, 8_8_8_8_UNORM, ZYXW),
195 _TC(A8R8G8B8_SRGB, 8_8_8_8_UNORM, ZYXW),
196 _TC(X8R8G8B8_SRGB, 8_8_8_8_UNORM, ZYXW),
197 VTC(A8R8G8B8_SNORM, 8_8_8_8_SNORM, ZYXW),
198 VTC(X8R8G8B8_SNORM, 8_8_8_8_SNORM, ZYXW),
199 VTC(A8R8G8B8_UINT, 8_8_8_8_UINT, ZYXW),
200 VTC(X8R8G8B8_SINT, 8_8_8_8_SINT, ZYXW),
201
202 FMT(R10G10B10A2_UNORM, 10_10_10_2_UNORM, 10_10_10_2_UNORM, 10_10_10_2_UNORM_DEST, WZYX),
203 FMT(B10G10R10A2_UNORM, 10_10_10_2_UNORM, 10_10_10_2_UNORM, 10_10_10_2_UNORM_DEST, WXYZ),
204 FMT(B10G10R10X2_UNORM, NONE, 10_10_10_2_UNORM, 10_10_10_2_UNORM_DEST, WXYZ),
205 V__(R10G10B10A2_SNORM, 10_10_10_2_SNORM, WZYX),
206 V__(B10G10R10A2_SNORM, 10_10_10_2_SNORM, WXYZ),
207 VTC(R10G10B10A2_UINT, 10_10_10_2_UINT, WZYX),
208 V__(R10G10B10A2_SINT, 10_10_10_2_SINT, WZYX),
209 VTC(B10G10R10A2_UINT, 10_10_10_2_UINT, WXYZ),
210 V__(B10G10R10A2_SINT, 10_10_10_2_SINT, WXYZ),
211 V__(R10G10B10A2_USCALED, 10_10_10_2_UINT, WZYX),
212 V__(B10G10R10A2_USCALED, 10_10_10_2_UINT, WXYZ),
213 V__(R10G10B10A2_SSCALED, 10_10_10_2_SINT, WZYX),
214 V__(B10G10R10A2_SSCALED, 10_10_10_2_SINT, WXYZ),
215
216 VTC(R11G11B10_FLOAT, 11_11_10_FLOAT, WZYX),
217 _T_(R9G9B9E5_FLOAT, 9_9_9_E5_FLOAT, WZYX),
218
219 _TC(Z24X8_UNORM, Z24_UNORM_S8_UINT, WZYX),
220 _TC(X24S8_UINT, 8_8_8_8_UINT, WZYX),
221 _TC(Z24_UNORM_S8_UINT, Z24_UNORM_S8_UINT, WZYX),
222 _TC(Z32_FLOAT, 32_FLOAT, WZYX),
223 _TC(Z32_FLOAT_S8X24_UINT, 32_FLOAT, WZYX),
224 _TC(X32_S8X24_UINT, 8_UINT, WZYX),
225
226 /* special format for blits: */
227 _TC(Z24_UNORM_S8_UINT_AS_R8G8B8A8, Z24_UNORM_S8_UINT_AS_R8G8B8A8, WZYX),
228
229 /* 48-bit */
230 VT_(R16G16B16_UNORM, 16_16_16_UNORM, WZYX),
231 VT_(R16G16B16_SNORM, 16_16_16_SNORM, WZYX),
232 VT_(R16G16B16_UINT, 16_16_16_UINT, WZYX),
233 VT_(R16G16B16_SINT, 16_16_16_SINT, WZYX),
234 V__(R16G16B16_USCALED, 16_16_16_UINT, WZYX),
235 V__(R16G16B16_SSCALED, 16_16_16_SINT, WZYX),
236 VT_(R16G16B16_FLOAT, 16_16_16_FLOAT, WZYX),
237
238 /* 64-bit */
239 VTC(R16G16B16A16_UNORM, 16_16_16_16_UNORM, WZYX),
240 VTC(R16G16B16X16_UNORM, 16_16_16_16_UNORM, WZYX),
241 VTC(R16G16B16A16_SNORM, 16_16_16_16_SNORM, WZYX),
242 VTC(R16G16B16X16_SNORM, 16_16_16_16_SNORM, WZYX),
243 VTC(R16G16B16A16_UINT, 16_16_16_16_UINT, WZYX),
244 VTC(R16G16B16X16_UINT, 16_16_16_16_UINT, WZYX),
245 VTC(R16G16B16A16_SINT, 16_16_16_16_SINT, WZYX),
246 VTC(R16G16B16X16_SINT, 16_16_16_16_SINT, WZYX),
247 V__(R16G16B16A16_USCALED, 16_16_16_16_UINT, WZYX),
248 V__(R16G16B16A16_SSCALED, 16_16_16_16_SINT, WZYX),
249 VTC(R16G16B16A16_FLOAT, 16_16_16_16_FLOAT, WZYX),
250 VTC(R16G16B16X16_FLOAT, 16_16_16_16_FLOAT, WZYX),
251
252 V__(R32G32_UNORM, 32_32_UNORM, WZYX),
253 V__(R32G32_SNORM, 32_32_SNORM, WZYX),
254 VTC(R32G32_UINT, 32_32_UINT, WZYX),
255 VTC(R32G32_SINT, 32_32_SINT, WZYX),
256 V__(R32G32_USCALED, 32_32_UINT, WZYX),
257 V__(R32G32_SSCALED, 32_32_SINT, WZYX),
258 VTC(R32G32_FLOAT, 32_32_FLOAT, WZYX),
259 V__(R32G32_FIXED, 32_32_FIXED, WZYX),
260
261 _T_(L32A32_UINT, 32_32_UINT, WZYX),
262 _T_(L32A32_SINT, 32_32_SINT, WZYX),
263 _T_(L32A32_FLOAT, 32_32_FLOAT, WZYX),
264
265 /* 96-bit */
266 V__(R32G32B32_UNORM, 32_32_32_UNORM, WZYX),
267 V__(R32G32B32_SNORM, 32_32_32_SNORM, WZYX),
268 VT_(R32G32B32_UINT, 32_32_32_UINT, WZYX),
269 VT_(R32G32B32_SINT, 32_32_32_SINT, WZYX),
270 V__(R32G32B32_USCALED, 32_32_32_UINT, WZYX),
271 V__(R32G32B32_SSCALED, 32_32_32_SINT, WZYX),
272 VT_(R32G32B32_FLOAT, 32_32_32_FLOAT, WZYX),
273 V__(R32G32B32_FIXED, 32_32_32_FIXED, WZYX),
274
275 /* 128-bit */
276 V__(R32G32B32A32_UNORM, 32_32_32_32_UNORM, WZYX),
277 V__(R32G32B32A32_SNORM, 32_32_32_32_SNORM, WZYX),
278 VTC(R32G32B32A32_UINT, 32_32_32_32_UINT, WZYX),
279 _TC(R32G32B32X32_UINT, 32_32_32_32_UINT, WZYX),
280 VTC(R32G32B32A32_SINT, 32_32_32_32_SINT, WZYX),
281 _TC(R32G32B32X32_SINT, 32_32_32_32_SINT, WZYX),
282 V__(R32G32B32A32_USCALED, 32_32_32_32_UINT, WZYX),
283 V__(R32G32B32A32_SSCALED, 32_32_32_32_SINT, WZYX),
284 VTC(R32G32B32A32_FLOAT, 32_32_32_32_FLOAT, WZYX),
285 _TC(R32G32B32X32_FLOAT, 32_32_32_32_FLOAT, WZYX),
286 V__(R32G32B32A32_FIXED, 32_32_32_32_FIXED, WZYX),
287
288 /* compressed */
289 _T_(ETC1_RGB8, ETC1, WZYX),
290 _T_(ETC2_RGB8, ETC2_RGB8, WZYX),
291 _T_(ETC2_SRGB8, ETC2_RGB8, WZYX),
292 _T_(ETC2_RGB8A1, ETC2_RGB8A1, WZYX),
293 _T_(ETC2_SRGB8A1, ETC2_RGB8A1, WZYX),
294 _T_(ETC2_RGBA8, ETC2_RGBA8, WZYX),
295 _T_(ETC2_SRGBA8, ETC2_RGBA8, WZYX),
296 _T_(ETC2_R11_UNORM, ETC2_R11_UNORM, WZYX),
297 _T_(ETC2_R11_SNORM, ETC2_R11_SNORM, WZYX),
298 _T_(ETC2_RG11_UNORM, ETC2_RG11_UNORM, WZYX),
299 _T_(ETC2_RG11_SNORM, ETC2_RG11_SNORM, WZYX),
300
301 _T_(DXT1_RGB, DXT1, WZYX),
302 _T_(DXT1_SRGB, DXT1, WZYX),
303 _T_(DXT1_RGBA, DXT1, WZYX),
304 _T_(DXT1_SRGBA, DXT1, WZYX),
305 _T_(DXT3_RGBA, DXT3, WZYX),
306 _T_(DXT3_SRGBA, DXT3, WZYX),
307 _T_(DXT5_RGBA, DXT5, WZYX),
308 _T_(DXT5_SRGBA, DXT5, WZYX),
309
310 _T_(BPTC_RGBA_UNORM, BPTC, WZYX),
311 _T_(BPTC_SRGBA, BPTC, WZYX),
312 _T_(BPTC_RGB_FLOAT, BPTC_FLOAT, WZYX),
313 _T_(BPTC_RGB_UFLOAT, BPTC_UFLOAT, WZYX),
314
315 _T_(RGTC1_UNORM, RGTC1_UNORM, WZYX),
316 _T_(RGTC1_SNORM, RGTC1_SNORM, WZYX),
317 _T_(RGTC2_UNORM, RGTC2_UNORM, WZYX),
318 _T_(RGTC2_SNORM, RGTC2_SNORM, WZYX),
319 _T_(LATC1_UNORM, RGTC1_UNORM, WZYX),
320 _T_(LATC1_SNORM, RGTC1_SNORM, WZYX),
321 _T_(LATC2_UNORM, RGTC2_UNORM, WZYX),
322 _T_(LATC2_SNORM, RGTC2_SNORM, WZYX),
323
324 _T_(ASTC_4x4, ASTC_4x4, WZYX),
325 _T_(ASTC_5x4, ASTC_5x4, WZYX),
326 _T_(ASTC_5x5, ASTC_5x5, WZYX),
327 _T_(ASTC_6x5, ASTC_6x5, WZYX),
328 _T_(ASTC_6x6, ASTC_6x6, WZYX),
329 _T_(ASTC_8x5, ASTC_8x5, WZYX),
330 _T_(ASTC_8x6, ASTC_8x6, WZYX),
331 _T_(ASTC_8x8, ASTC_8x8, WZYX),
332 _T_(ASTC_10x5, ASTC_10x5, WZYX),
333 _T_(ASTC_10x6, ASTC_10x6, WZYX),
334 _T_(ASTC_10x8, ASTC_10x8, WZYX),
335 _T_(ASTC_10x10, ASTC_10x10, WZYX),
336 _T_(ASTC_12x10, ASTC_12x10, WZYX),
337 _T_(ASTC_12x12, ASTC_12x12, WZYX),
338
339 _T_(ASTC_4x4_SRGB, ASTC_4x4, WZYX),
340 _T_(ASTC_5x4_SRGB, ASTC_5x4, WZYX),
341 _T_(ASTC_5x5_SRGB, ASTC_5x5, WZYX),
342 _T_(ASTC_6x5_SRGB, ASTC_6x5, WZYX),
343 _T_(ASTC_6x6_SRGB, ASTC_6x6, WZYX),
344 _T_(ASTC_8x5_SRGB, ASTC_8x5, WZYX),
345 _T_(ASTC_8x6_SRGB, ASTC_8x6, WZYX),
346 _T_(ASTC_8x8_SRGB, ASTC_8x8, WZYX),
347 _T_(ASTC_10x5_SRGB, ASTC_10x5, WZYX),
348 _T_(ASTC_10x6_SRGB, ASTC_10x6, WZYX),
349 _T_(ASTC_10x8_SRGB, ASTC_10x8, WZYX),
350 _T_(ASTC_10x10_SRGB, ASTC_10x10, WZYX),
351 _T_(ASTC_12x10_SRGB, ASTC_12x10, WZYX),
352 _T_(ASTC_12x12_SRGB, ASTC_12x12, WZYX),
353
354 _T_(G8B8_G8R8_UNORM, R8G8R8B8_422_UNORM, WZYX), /* YUYV */
355 _T_(B8G8_R8G8_UNORM, G8R8B8R8_422_UNORM, WZYX), /* UYVY */
356
357 _T_(R8_G8B8_420_UNORM, R8_G8B8_2PLANE_420_UNORM, WZYX), /* Gallium NV12 */
358 _T_(G8_B8R8_420_UNORM, R8_G8B8_2PLANE_420_UNORM, WZYX), /* Vulkan NV12 */
359 _T_(G8_B8_R8_420_UNORM, R8_G8_B8_3PLANE_420_UNORM, WZYX),
360 };
361 /* clang-format on */
362
363 static enum a3xx_color_swap
fd6_pipe2swap(enum pipe_format format,enum a6xx_tile_mode tile_mode)364 fd6_pipe2swap(enum pipe_format format, enum a6xx_tile_mode tile_mode)
365 {
366 if (!formats[format].present)
367 return WZYX;
368
369 /* It seems CCU ignores swap and always uses WZYX when tiled. TP, on the
370 * other hand, always respects swap. We should return WZYX such that CCU
371 * and TP agree each other.
372 */
373 if (tile_mode)
374 return WZYX;
375
376 return formats[format].swap;
377 }
378
379 /* convert pipe format to vertex buffer format: */
380 enum a6xx_format
fd6_vertex_format(enum pipe_format format)381 fd6_vertex_format(enum pipe_format format)
382 {
383 if (!formats[format].present)
384 return FMT6_NONE;
385 return formats[format].vtx;
386 }
387
388 enum a3xx_color_swap
fd6_vertex_swap(enum pipe_format format)389 fd6_vertex_swap(enum pipe_format format)
390 {
391 return fd6_pipe2swap(format, TILE6_LINEAR);
392 }
393
394 /* convert pipe format to texture sampler format: */
395 enum a6xx_format
fd6_texture_format(enum pipe_format format,enum a6xx_tile_mode tile_mode)396 fd6_texture_format(enum pipe_format format, enum a6xx_tile_mode tile_mode)
397 {
398 if (!formats[format].present)
399 return FMT6_NONE;
400
401 if (!tile_mode) {
402 switch (format) {
403 /* Linear ARGB/ABGR1555 has a special format for sampling (tiled
404 * 1555/5551 formats always have the same swizzle and layout).
405 */
406 case PIPE_FORMAT_A1R5G5B5_UNORM:
407 case PIPE_FORMAT_A1B5G5R5_UNORM:
408 return FMT6_1_5_5_5_UNORM;
409 /* note: this may be more about UBWC than tiling, but we don't support
410 * tiled non-UBWC NV12
411 */
412 case PIPE_FORMAT_Y8_UNORM:
413 return FMT6_8_UNORM;
414 default:
415 break;
416 }
417 }
418
419 return formats[format].tex;
420 }
421
422 enum a3xx_color_swap
fd6_texture_swap(enum pipe_format format,enum a6xx_tile_mode tile_mode)423 fd6_texture_swap(enum pipe_format format, enum a6xx_tile_mode tile_mode)
424 {
425 if (!tile_mode) {
426 switch (format) {
427 case PIPE_FORMAT_A1R5G5B5_UNORM:
428 return WZYX;
429 case PIPE_FORMAT_A1B5G5R5_UNORM:
430 return WXYZ;
431 default:
432 break;
433 }
434 }
435
436 /* format is PIPE_FORMAT_X24S8_UINT when texturing the stencil aspect of
437 * PIPE_FORMAT_Z24_UNORM_S8_UINT. Because we map the format to
438 * FMT6_8_8_8_8_UINT, return XYZW such that the stencil value is in X
439 * component.
440 *
441 * We used to return WZYX and apply swizzles. That required us to
442 * un-swizzle the user-specified border color, which could not be done for
443 * turnip.
444 */
445 if (format == PIPE_FORMAT_X24S8_UINT)
446 return XYZW;
447
448 return fd6_pipe2swap(format, tile_mode);
449 }
450
451 /* convert pipe format to MRT / copydest format used for render-target: */
452 enum a6xx_format
fd6_color_format(enum pipe_format format,enum a6xx_tile_mode tile_mode)453 fd6_color_format(enum pipe_format format, enum a6xx_tile_mode tile_mode)
454 {
455 if (!formats[format].present)
456 return FMT6_NONE;
457
458 if (!tile_mode && format == PIPE_FORMAT_Y8_UNORM)
459 return FMT6_8_UNORM;
460
461 return formats[format].rb;
462 }
463
464 enum a3xx_color_swap
fd6_color_swap(enum pipe_format format,enum a6xx_tile_mode tile_mode)465 fd6_color_swap(enum pipe_format format, enum a6xx_tile_mode tile_mode)
466 {
467 return fd6_pipe2swap(format, tile_mode);
468 }
469
470 enum a6xx_depth_format
fd6_pipe2depth(enum pipe_format format)471 fd6_pipe2depth(enum pipe_format format)
472 {
473 switch (format) {
474 case PIPE_FORMAT_Z16_UNORM:
475 return DEPTH6_16;
476 case PIPE_FORMAT_Z24X8_UNORM:
477 case PIPE_FORMAT_Z24_UNORM_S8_UINT:
478 case PIPE_FORMAT_X8Z24_UNORM:
479 case PIPE_FORMAT_S8_UINT_Z24_UNORM:
480 return DEPTH6_24_8;
481 case PIPE_FORMAT_Z32_FLOAT:
482 case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
483 return DEPTH6_32;
484 default:
485 return ~0;
486 }
487 }
488