1 /*
2 * Copyright © 2013 Rob Clark <[email protected]>
3 * SPDX-License-Identifier: MIT
4 *
5 */
6
7 #include "pipe/p_defines.h"
8 #include "util/format/u_format.h"
9
10 #include "fd3_format.h"
11
12 /* Specifies the table of all the formats and their features. Also supplies
13 * the helpers that look up various data in those tables.
14 */
15
16 struct fd3_format {
17 enum a3xx_vtx_fmt vtx;
18 enum a3xx_tex_fmt tex;
19 enum a3xx_color_fmt rb;
20 enum a3xx_color_swap swap;
21 bool present;
22 };
23
24 /* vertex + texture */
25 #define VT(pipe, fmt, rbfmt, swapfmt) \
26 [PIPE_FORMAT_##pipe] = {.present = 1, \
27 .vtx = VFMT_##fmt, \
28 .tex = TFMT_##fmt, \
29 .rb = RB_##rbfmt, \
30 .swap = swapfmt}
31
32 /* texture-only */
33 #define _T(pipe, fmt, rbfmt, swapfmt) \
34 [PIPE_FORMAT_##pipe] = {.present = 1, \
35 .vtx = VFMT_NONE, \
36 .tex = TFMT_##fmt, \
37 .rb = RB_##rbfmt, \
38 .swap = swapfmt}
39
40 /* vertex-only */
41 #define V_(pipe, fmt, rbfmt, swapfmt) \
42 [PIPE_FORMAT_##pipe] = {.present = 1, \
43 .vtx = VFMT_##fmt, \
44 .tex = TFMT_NONE, \
45 .rb = RB_##rbfmt, \
46 .swap = swapfmt}
47
48 /* clang-format off */
49 static struct fd3_format formats[PIPE_FORMAT_COUNT] = {
50 /* 8-bit */
51 VT(R8_UNORM, 8_UNORM, R8_UNORM, WZYX),
52 _T(R8_SRGB, 8_UNORM, R8_UNORM, WZYX),
53 VT(R8_SNORM, 8_SNORM, NONE, WZYX),
54 VT(R8_UINT, 8_UINT, NONE, WZYX),
55 VT(R8_SINT, 8_SINT, NONE, WZYX),
56 V_(R8_USCALED, 8_UINT, NONE, WZYX),
57 V_(R8_SSCALED, 8_SINT, NONE, WZYX),
58
59 _T(A8_UNORM, 8_UNORM, A8_UNORM, WZYX),
60 _T(L8_UNORM, 8_UNORM, R8_UNORM, WZYX),
61 _T(I8_UNORM, 8_UNORM, NONE, WZYX),
62
63 _T(A8_UINT, 8_UINT, NONE, WZYX),
64 _T(A8_SINT, 8_SINT, NONE, WZYX),
65 _T(L8_UINT, 8_UINT, NONE, WZYX),
66 _T(L8_SINT, 8_SINT, NONE, WZYX),
67 _T(I8_UINT, 8_UINT, NONE, WZYX),
68 _T(I8_SINT, 8_SINT, NONE, WZYX),
69
70 _T(S8_UINT, 8_UINT, R8_UNORM, WZYX),
71
72 /* 16-bit */
73 VT(R16_UNORM, 16_UNORM, NONE, WZYX),
74 VT(R16_SNORM, 16_SNORM, NONE, WZYX),
75 VT(R16_UINT, 16_UINT, R16_UINT, WZYX),
76 VT(R16_SINT, 16_SINT, R16_SINT, WZYX),
77 V_(R16_USCALED, 16_UINT, NONE, WZYX),
78 V_(R16_SSCALED, 16_SINT, NONE, WZYX),
79 VT(R16_FLOAT, 16_FLOAT, R16_FLOAT,WZYX),
80
81 _T(A16_UNORM, 16_UNORM, NONE, WZYX),
82 _T(A16_SNORM, 16_SNORM, NONE, WZYX),
83 _T(A16_UINT, 16_UINT, NONE, WZYX),
84 _T(A16_SINT, 16_SINT, NONE, WZYX),
85 _T(A16_FLOAT, 16_FLOAT, NONE, WZYX),
86 _T(L16_UNORM, 16_UNORM, NONE, WZYX),
87 _T(L16_SNORM, 16_SNORM, NONE, WZYX),
88 _T(L16_UINT, 16_UINT, NONE, WZYX),
89 _T(L16_SINT, 16_SINT, NONE, WZYX),
90 _T(L16_FLOAT, 16_FLOAT, NONE, WZYX),
91 _T(I16_UNORM, 16_UNORM, NONE, WZYX),
92 _T(I16_SNORM, 16_SNORM, NONE, WZYX),
93 _T(I16_UINT, 16_UINT, NONE, WZYX),
94 _T(I16_SINT, 16_SINT, NONE, WZYX),
95 _T(I16_FLOAT, 16_FLOAT, NONE, WZYX),
96
97 VT(R8G8_UNORM, 8_8_UNORM, R8G8_UNORM, WZYX),
98 _T(R8G8_SRGB, 8_8_UNORM, R8G8_UNORM, WZYX),
99 VT(R8G8_SNORM, 8_8_SNORM, R8G8_SNORM, WZYX),
100 VT(R8G8_UINT, 8_8_UINT, R8G8_UINT, WZYX),
101 VT(R8G8_SINT, 8_8_SINT, R8G8_SINT, WZYX),
102 V_(R8G8_USCALED, 8_8_UINT, NONE, WZYX),
103 V_(R8G8_SSCALED, 8_8_SINT, NONE, WZYX),
104
105 _T(L8A8_UNORM, 8_8_UNORM, NONE, WZYX),
106 _T(L8A8_UINT, 8_8_UINT, NONE, WZYX),
107 _T(L8A8_SINT, 8_8_SINT, NONE, WZYX),
108
109 _T(Z16_UNORM, Z16_UNORM, R8G8_UNORM, WZYX),
110 _T(B5G6R5_UNORM, 5_6_5_UNORM, R5G6B5_UNORM, WXYZ),
111 _T(B5G5R5A1_UNORM, 5_5_5_1_UNORM, R5G5B5A1_UNORM, WXYZ),
112 _T(B5G5R5X1_UNORM, 5_5_5_1_UNORM, R5G5B5A1_UNORM, WXYZ),
113 _T(B4G4R4A4_UNORM, 4_4_4_4_UNORM, R4G4B4A4_UNORM, WXYZ),
114
115 /* 24-bit */
116 V_(R8G8B8_UNORM, 8_8_8_UNORM, NONE, WZYX),
117 V_(R8G8B8_SNORM, 8_8_8_SNORM, NONE, WZYX),
118 V_(R8G8B8_UINT, 8_8_8_UINT, NONE, WZYX),
119 V_(R8G8B8_SINT, 8_8_8_SINT, NONE, WZYX),
120 V_(R8G8B8_USCALED, 8_8_8_UINT, NONE, WZYX),
121 V_(R8G8B8_SSCALED, 8_8_8_SINT, NONE, WZYX),
122
123 /* 32-bit */
124 VT(R32_UINT, 32_UINT, R32_UINT, WZYX),
125 VT(R32_SINT, 32_SINT, R32_SINT, WZYX),
126 V_(R32_USCALED, 32_UINT, NONE, WZYX),
127 V_(R32_SSCALED, 32_SINT, NONE, WZYX),
128 VT(R32_FLOAT, 32_FLOAT, R32_FLOAT,WZYX),
129 V_(R32_FIXED, 32_FIXED, NONE, WZYX),
130
131 _T(A32_UINT, 32_UINT, NONE, WZYX),
132 _T(A32_SINT, 32_SINT, NONE, WZYX),
133 _T(A32_FLOAT, 32_FLOAT, NONE, WZYX),
134 _T(L32_UINT, 32_UINT, NONE, WZYX),
135 _T(L32_SINT, 32_SINT, NONE, WZYX),
136 _T(L32_FLOAT, 32_FLOAT, NONE, WZYX),
137 _T(I32_UINT, 32_UINT, NONE, WZYX),
138 _T(I32_SINT, 32_SINT, NONE, WZYX),
139 _T(I32_FLOAT, 32_FLOAT, NONE, WZYX),
140
141 VT(R16G16_UNORM, 16_16_UNORM, NONE, WZYX),
142 VT(R16G16_SNORM, 16_16_SNORM, NONE, WZYX),
143 VT(R16G16_UINT, 16_16_UINT, R16G16_UINT, WZYX),
144 VT(R16G16_SINT, 16_16_SINT, R16G16_SINT, WZYX),
145 V_(R16G16_USCALED, 16_16_UINT, NONE, WZYX),
146 V_(R16G16_SSCALED, 16_16_SINT, NONE, WZYX),
147 VT(R16G16_FLOAT, 16_16_FLOAT, R16G16_FLOAT,WZYX),
148
149 _T(L16A16_UNORM, 16_16_UNORM, NONE, WZYX),
150 _T(L16A16_SNORM, 16_16_SNORM, NONE, WZYX),
151 _T(L16A16_UINT, 16_16_UINT, NONE, WZYX),
152 _T(L16A16_SINT, 16_16_SINT, NONE, WZYX),
153 _T(L16A16_FLOAT, 16_16_FLOAT, NONE, WZYX),
154
155 VT(R8G8B8A8_UNORM, 8_8_8_8_UNORM, R8G8B8A8_UNORM, WZYX),
156 _T(R8G8B8X8_UNORM, 8_8_8_8_UNORM, R8G8B8A8_UNORM, WZYX),
157 _T(R8G8B8A8_SRGB, 8_8_8_8_UNORM, R8G8B8A8_UNORM, WZYX),
158 _T(R8G8B8X8_SRGB, 8_8_8_8_UNORM, R8G8B8A8_UNORM, WZYX),
159 VT(R8G8B8A8_SNORM, 8_8_8_8_SNORM, R8G8B8A8_SNORM, WZYX),
160 VT(R8G8B8A8_UINT, 8_8_8_8_UINT, R8G8B8A8_UINT, WZYX),
161 VT(R8G8B8A8_SINT, 8_8_8_8_SINT, R8G8B8A8_SINT, WZYX),
162 V_(R8G8B8A8_USCALED, 8_8_8_8_UINT, NONE, WZYX),
163 V_(R8G8B8A8_SSCALED, 8_8_8_8_SINT, NONE, WZYX),
164
165 VT(B8G8R8A8_UNORM, 8_8_8_8_UNORM, R8G8B8A8_UNORM, WXYZ),
166 _T(B8G8R8X8_UNORM, 8_8_8_8_UNORM, R8G8B8A8_UNORM, WXYZ),
167 VT(B8G8R8A8_SRGB, 8_8_8_8_UNORM, R8G8B8A8_UNORM, WXYZ),
168 _T(B8G8R8X8_SRGB, 8_8_8_8_UNORM, R8G8B8A8_UNORM, WXYZ),
169
170 VT(A8B8G8R8_UNORM, 8_8_8_8_UNORM, R8G8B8A8_UNORM, XYZW),
171 _T(X8B8G8R8_UNORM, 8_8_8_8_UNORM, R8G8B8A8_UNORM, XYZW),
172 _T(A8B8G8R8_SRGB, 8_8_8_8_UNORM, R8G8B8A8_UNORM, XYZW),
173 _T(X8B8G8R8_SRGB, 8_8_8_8_UNORM, R8G8B8A8_UNORM, XYZW),
174
175 VT(A8R8G8B8_UNORM, 8_8_8_8_UNORM, R8G8B8A8_UNORM, ZYXW),
176 _T(X8R8G8B8_UNORM, 8_8_8_8_UNORM, R8G8B8A8_UNORM, ZYXW),
177 _T(A8R8G8B8_SRGB, 8_8_8_8_UNORM, R8G8B8A8_UNORM, ZYXW),
178 _T(X8R8G8B8_SRGB, 8_8_8_8_UNORM, R8G8B8A8_UNORM, ZYXW),
179
180 VT(R10G10B10A2_UNORM, 10_10_10_2_UNORM, R10G10B10A2_UNORM, WZYX),
181 VT(B10G10R10A2_UNORM, 10_10_10_2_UNORM, R10G10B10A2_UNORM, WXYZ),
182 _T(B10G10R10X2_UNORM, 10_10_10_2_UNORM, R10G10B10A2_UNORM, WXYZ),
183 V_(R10G10B10A2_SNORM, 10_10_10_2_SNORM, NONE, WZYX),
184 V_(B10G10R10A2_SNORM, 10_10_10_2_SNORM, NONE, WXYZ),
185 VT(R10G10B10A2_UINT, 10_10_10_2_UINT, NONE, WZYX),
186 V_(B10G10R10A2_UINT, 10_10_10_2_UINT, NONE, WXYZ),
187 V_(R10G10B10A2_USCALED, 10_10_10_2_UINT, NONE, WZYX),
188 V_(B10G10R10A2_USCALED, 10_10_10_2_UINT, NONE, WXYZ),
189 V_(R10G10B10A2_SSCALED, 10_10_10_2_SINT, NONE, WZYX),
190 V_(B10G10R10A2_SSCALED, 10_10_10_2_SINT, NONE, WXYZ),
191
192 _T(R11G11B10_FLOAT, 11_11_10_FLOAT, R11G11B10_FLOAT, WZYX),
193 _T(R9G9B9E5_FLOAT, 9_9_9_E5_FLOAT, NONE, WZYX),
194
195 _T(Z24X8_UNORM, X8Z24_UNORM, R8G8B8A8_UNORM, WZYX),
196 _T(Z24_UNORM_S8_UINT, X8Z24_UNORM, R8G8B8A8_UNORM, WZYX),
197 _T(Z32_FLOAT, Z32_FLOAT, R8G8B8A8_UNORM, WZYX),
198 _T(Z32_FLOAT_S8X24_UINT, Z32_FLOAT,R8G8B8A8_UNORM, WZYX),
199
200 /* 48-bit */
201 V_(R16G16B16_UNORM, 16_16_16_UNORM, NONE, WZYX),
202 V_(R16G16B16_SNORM, 16_16_16_SNORM, NONE, WZYX),
203 V_(R16G16B16_UINT, 16_16_16_UINT, NONE, WZYX),
204 V_(R16G16B16_SINT, 16_16_16_SINT, NONE, WZYX),
205 V_(R16G16B16_USCALED, 16_16_16_UINT, NONE, WZYX),
206 V_(R16G16B16_SSCALED, 16_16_16_SINT, NONE, WZYX),
207 V_(R16G16B16_FLOAT, 16_16_16_FLOAT, NONE, WZYX),
208
209 /* 64-bit */
210 VT(R16G16B16A16_UNORM, 16_16_16_16_UNORM, NONE, WZYX),
211 VT(R16G16B16A16_SNORM, 16_16_16_16_SNORM, NONE, WZYX),
212 VT(R16G16B16A16_UINT, 16_16_16_16_UINT, R16G16B16A16_UINT, WZYX),
213 _T(R16G16B16X16_UINT, 16_16_16_16_UINT, R16G16B16A16_UINT, WZYX),
214 VT(R16G16B16A16_SINT, 16_16_16_16_SINT, R16G16B16A16_SINT, WZYX),
215 _T(R16G16B16X16_SINT, 16_16_16_16_SINT, R16G16B16A16_SINT, WZYX),
216 V_(R16G16B16A16_USCALED, 16_16_16_16_UINT, NONE, WZYX),
217 V_(R16G16B16A16_SSCALED, 16_16_16_16_SINT, NONE, WZYX),
218 VT(R16G16B16A16_FLOAT, 16_16_16_16_FLOAT, R16G16B16A16_FLOAT, WZYX),
219 _T(R16G16B16X16_FLOAT, 16_16_16_16_FLOAT, R16G16B16A16_FLOAT, WZYX),
220
221 VT(R32G32_UINT, 32_32_UINT, R32G32_UINT, WZYX),
222 VT(R32G32_SINT, 32_32_SINT, R32G32_SINT, WZYX),
223 V_(R32G32_USCALED, 32_32_UINT, NONE, WZYX),
224 V_(R32G32_SSCALED, 32_32_SINT, NONE, WZYX),
225 VT(R32G32_FLOAT, 32_32_FLOAT, R32G32_FLOAT,WZYX),
226 V_(R32G32_FIXED, 32_32_FIXED, NONE, WZYX),
227
228 _T(L32A32_UINT, 32_32_UINT, NONE, WZYX),
229 _T(L32A32_SINT, 32_32_SINT, NONE, WZYX),
230 _T(L32A32_FLOAT, 32_32_FLOAT, NONE, WZYX),
231
232 /* 96-bit */
233 V_(R32G32B32_UINT, 32_32_32_UINT, NONE, WZYX),
234 V_(R32G32B32_SINT, 32_32_32_SINT, NONE, WZYX),
235 V_(R32G32B32_USCALED, 32_32_32_UINT, NONE, WZYX),
236 V_(R32G32B32_SSCALED, 32_32_32_SINT, NONE, WZYX),
237 V_(R32G32B32_FLOAT, 32_32_32_FLOAT, NONE, WZYX),
238 V_(R32G32B32_FIXED, 32_32_32_FIXED, NONE, WZYX),
239
240 /* 128-bit */
241 VT(R32G32B32A32_UINT, 32_32_32_32_UINT, R32G32B32A32_UINT, WZYX),
242 _T(R32G32B32X32_UINT, 32_32_32_32_UINT, R32G32B32A32_UINT, WZYX),
243 VT(R32G32B32A32_SINT, 32_32_32_32_SINT, R32G32B32A32_SINT, WZYX),
244 _T(R32G32B32X32_SINT, 32_32_32_32_SINT, R32G32B32A32_SINT, WZYX),
245 V_(R32G32B32A32_USCALED, 32_32_32_32_UINT, NONE, WZYX),
246 V_(R32G32B32A32_SSCALED, 32_32_32_32_SINT, NONE, WZYX),
247 VT(R32G32B32A32_FLOAT, 32_32_32_32_FLOAT, R32G32B32A32_FLOAT, WZYX),
248 _T(R32G32B32X32_FLOAT, 32_32_32_32_FLOAT, R32G32B32A32_FLOAT, WZYX),
249 V_(R32G32B32A32_FIXED, 32_32_32_32_FIXED, NONE, WZYX),
250
251 /* compressed */
252 _T(ETC1_RGB8, ETC1, NONE, WZYX),
253 _T(ETC2_RGB8, ETC2_RGB8, NONE, WZYX),
254 _T(ETC2_SRGB8, ETC2_RGB8, NONE, WZYX),
255 _T(ETC2_RGB8A1, ETC2_RGB8A1, NONE, WZYX),
256 _T(ETC2_SRGB8A1, ETC2_RGB8A1, NONE, WZYX),
257 _T(ETC2_RGBA8, ETC2_RGBA8, NONE, WZYX),
258 _T(ETC2_SRGBA8, ETC2_RGBA8, NONE, WZYX),
259 _T(ETC2_R11_UNORM, ETC2_R11_UNORM, NONE, WZYX),
260 _T(ETC2_R11_SNORM, ETC2_R11_SNORM, NONE, WZYX),
261 _T(ETC2_RG11_UNORM, ETC2_RG11_UNORM, NONE, WZYX),
262 _T(ETC2_RG11_SNORM, ETC2_RG11_SNORM, NONE, WZYX),
263
264 _T(DXT1_RGB, DXT1, NONE, WZYX),
265 _T(DXT1_SRGB, DXT1, NONE, WZYX),
266 _T(DXT1_RGBA, DXT1, NONE, WZYX),
267 _T(DXT1_SRGBA, DXT1, NONE, WZYX),
268 _T(DXT3_RGBA, DXT3, NONE, WZYX),
269 _T(DXT3_SRGBA, DXT3, NONE, WZYX),
270 _T(DXT5_RGBA, DXT5, NONE, WZYX),
271 _T(DXT5_SRGBA, DXT5, NONE, WZYX),
272
273 _T(ATC_RGB, ATC_RGB, NONE, WZYX),
274 _T(ATC_RGBA_EXPLICIT, ATC_RGBA_EXPLICIT, NONE, WZYX),
275 _T(ATC_RGBA_INTERPOLATED, ATC_RGBA_INTERPOLATED, NONE, WZYX),
276 };
277 /* clang-format on */
278
279 enum a3xx_vtx_fmt
fd3_pipe2vtx(enum pipe_format format)280 fd3_pipe2vtx(enum pipe_format format)
281 {
282 if (!formats[format].present)
283 return VFMT_NONE;
284 return formats[format].vtx;
285 }
286
287 enum a3xx_tex_fmt
fd3_pipe2tex(enum pipe_format format)288 fd3_pipe2tex(enum pipe_format format)
289 {
290 if (!formats[format].present)
291 return TFMT_NONE;
292 return formats[format].tex;
293 }
294
295 enum a3xx_color_fmt
fd3_pipe2color(enum pipe_format format)296 fd3_pipe2color(enum pipe_format format)
297 {
298 if (!formats[format].present)
299 return RB_NONE;
300 return formats[format].rb;
301 }
302
303 enum a3xx_color_swap
fd3_pipe2swap(enum pipe_format format)304 fd3_pipe2swap(enum pipe_format format)
305 {
306 if (!formats[format].present)
307 return WZYX;
308 return formats[format].swap;
309 }
310
311 enum a3xx_color_fmt
fd3_fs_output_format(enum pipe_format format)312 fd3_fs_output_format(enum pipe_format format)
313 {
314 if (util_format_is_srgb(format))
315 return RB_R16G16B16A16_FLOAT;
316 switch (format) {
317 case PIPE_FORMAT_R16_FLOAT:
318 case PIPE_FORMAT_R16G16_FLOAT:
319 case PIPE_FORMAT_R11G11B10_FLOAT:
320 return RB_R16G16B16A16_FLOAT;
321 case PIPE_FORMAT_L8_UNORM:
322 return RB_R8G8B8A8_UNORM;
323 default:
324 return fd3_pipe2color(format);
325 }
326 }
327
328 static inline enum a3xx_tex_swiz
tex_swiz(unsigned swiz)329 tex_swiz(unsigned swiz)
330 {
331 switch (swiz) {
332 default:
333 case PIPE_SWIZZLE_X:
334 return A3XX_TEX_X;
335 case PIPE_SWIZZLE_Y:
336 return A3XX_TEX_Y;
337 case PIPE_SWIZZLE_Z:
338 return A3XX_TEX_Z;
339 case PIPE_SWIZZLE_W:
340 return A3XX_TEX_W;
341 case PIPE_SWIZZLE_0:
342 return A3XX_TEX_ZERO;
343 case PIPE_SWIZZLE_1:
344 return A3XX_TEX_ONE;
345 }
346 }
347
348 uint32_t
fd3_tex_swiz(enum pipe_format format,unsigned swizzle_r,unsigned swizzle_g,unsigned swizzle_b,unsigned swizzle_a)349 fd3_tex_swiz(enum pipe_format format, unsigned swizzle_r, unsigned swizzle_g,
350 unsigned swizzle_b, unsigned swizzle_a)
351 {
352 const struct util_format_description *desc = util_format_description(format);
353 unsigned char swiz[4] = {
354 swizzle_r,
355 swizzle_g,
356 swizzle_b,
357 swizzle_a,
358 }, rswiz[4];
359
360 util_format_compose_swizzles(desc->swizzle, swiz, rswiz);
361
362 return A3XX_TEX_CONST_0_SWIZ_X(tex_swiz(rswiz[0])) |
363 A3XX_TEX_CONST_0_SWIZ_Y(tex_swiz(rswiz[1])) |
364 A3XX_TEX_CONST_0_SWIZ_Z(tex_swiz(rswiz[2])) |
365 A3XX_TEX_CONST_0_SWIZ_W(tex_swiz(rswiz[3]));
366 }
367