1 /*
2 * Copyright (C) 2014 Rob Clark <robclark@freedesktop.org>
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 FROM,
20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 * SOFTWARE.
22 *
23 * Authors:
24 * Rob Clark <robclark@freedesktop.org>
25 */
26
27 #include "pipe/p_defines.h"
28 #include "util/format/u_format.h"
29
30 #include "fd4_format.h"
31
32 /* Specifies the table of all the formats and their features. Also supplies
33 * the helpers that look up various data in those tables.
34 */
35
36 struct fd4_format {
37 enum a4xx_vtx_fmt vtx;
38 enum a4xx_tex_fmt tex;
39 enum a4xx_color_fmt rb;
40 enum a3xx_color_swap swap;
41 boolean present;
42 };
43
44 /* vertex + texture */
45 #define VT(pipe, fmt, rbfmt, swapfmt) \
46 [PIPE_FORMAT_##pipe] = {.present = 1, \
47 .vtx = VFMT4_##fmt, \
48 .tex = TFMT4_##fmt, \
49 .rb = RB4_##rbfmt, \
50 .swap = swapfmt}
51
52 /* texture-only */
53 #define _T(pipe, fmt, rbfmt, swapfmt) \
54 [PIPE_FORMAT_##pipe] = {.present = 1, \
55 .vtx = VFMT4_NONE, \
56 .tex = TFMT4_##fmt, \
57 .rb = RB4_##rbfmt, \
58 .swap = swapfmt}
59
60 /* vertex-only */
61 #define V_(pipe, fmt, rbfmt, swapfmt) \
62 [PIPE_FORMAT_##pipe] = {.present = 1, \
63 .vtx = VFMT4_##fmt, \
64 .tex = TFMT4_NONE, \
65 .rb = RB4_##rbfmt, \
66 .swap = swapfmt}
67
68 /* clang-format off */
69 static struct fd4_format formats[PIPE_FORMAT_COUNT] = {
70 /* 8-bit */
71 VT(R8_UNORM, 8_UNORM, R8_UNORM, WZYX),
72 VT(R8_SNORM, 8_SNORM, R8_SNORM, WZYX),
73 VT(R8_UINT, 8_UINT, R8_UINT, WZYX),
74 VT(R8_SINT, 8_SINT, R8_SINT, WZYX),
75 V_(R8_USCALED, 8_UINT, NONE, WZYX),
76 V_(R8_SSCALED, 8_SINT, NONE, WZYX),
77
78 _T(A8_UNORM, 8_UNORM, A8_UNORM, WZYX),
79 _T(L8_UNORM, 8_UNORM, R8_UNORM, WZYX),
80 _T(I8_UNORM, 8_UNORM, NONE, WZYX),
81
82 _T(A8_UINT, 8_UINT, NONE, WZYX),
83 _T(A8_SINT, 8_SINT, NONE, WZYX),
84 _T(L8_UINT, 8_UINT, NONE, WZYX),
85 _T(L8_SINT, 8_SINT, NONE, WZYX),
86 _T(I8_UINT, 8_UINT, NONE, WZYX),
87 _T(I8_SINT, 8_SINT, NONE, WZYX),
88
89 _T(S8_UINT, 8_UINT, R8_UNORM, WZYX),
90
91 /* 16-bit */
92 VT(R16_UNORM, 16_UNORM, R16_UNORM, WZYX),
93 VT(R16_SNORM, 16_SNORM, R16_SNORM, WZYX),
94 VT(R16_UINT, 16_UINT, R16_UINT, WZYX),
95 VT(R16_SINT, 16_SINT, R16_SINT, WZYX),
96 V_(R16_USCALED, 16_UINT, NONE, WZYX),
97 V_(R16_SSCALED, 16_SINT, NONE, WZYX),
98 VT(R16_FLOAT, 16_FLOAT, R16_FLOAT, WZYX),
99
100 _T(A16_UNORM, 16_UNORM, NONE, WZYX),
101 _T(A16_SNORM, 16_SNORM, NONE, WZYX),
102 _T(A16_UINT, 16_UINT, NONE, WZYX),
103 _T(A16_SINT, 16_SINT, NONE, WZYX),
104 _T(L16_UNORM, 16_UNORM, NONE, WZYX),
105 _T(L16_SNORM, 16_SNORM, NONE, WZYX),
106 _T(L16_UINT, 16_UINT, NONE, WZYX),
107 _T(L16_SINT, 16_SINT, NONE, WZYX),
108 _T(I16_UNORM, 16_UNORM, NONE, WZYX),
109 _T(I16_SNORM, 16_SNORM, NONE, WZYX),
110 _T(I16_UINT, 16_UINT, NONE, WZYX),
111 _T(I16_SINT, 16_SINT, NONE, WZYX),
112
113 VT(R8G8_UNORM, 8_8_UNORM, R8G8_UNORM, WZYX),
114 VT(R8G8_SNORM, 8_8_SNORM, R8G8_SNORM, WZYX),
115 VT(R8G8_UINT, 8_8_UINT, R8G8_UINT, WZYX),
116 VT(R8G8_SINT, 8_8_SINT, R8G8_SINT, WZYX),
117 V_(R8G8_USCALED, 8_8_UINT, NONE, WZYX),
118 V_(R8G8_SSCALED, 8_8_SINT, NONE, WZYX),
119
120 _T(L8A8_UINT, 8_8_UINT, NONE, WZYX),
121 _T(L8A8_SINT, 8_8_SINT, NONE, WZYX),
122
123 _T(B5G6R5_UNORM, 5_6_5_UNORM, R5G6B5_UNORM, WXYZ),
124 _T(B5G5R5A1_UNORM, 5_5_5_1_UNORM, R5G5B5A1_UNORM, WXYZ),
125 _T(B5G5R5X1_UNORM, 5_5_5_1_UNORM, R5G5B5A1_UNORM, WXYZ),
126 _T(B4G4R4A4_UNORM, 4_4_4_4_UNORM, R4G4B4A4_UNORM, WXYZ),
127
128 /* 24-bit */
129 V_(R8G8B8_UNORM, 8_8_8_UNORM, NONE, WZYX),
130 V_(R8G8B8_SNORM, 8_8_8_SNORM, NONE, WZYX),
131 V_(R8G8B8_UINT, 8_8_8_UINT, NONE, WZYX),
132 V_(R8G8B8_SINT, 8_8_8_SINT, NONE, WZYX),
133 V_(R8G8B8_USCALED, 8_8_8_UINT, NONE, WZYX),
134 V_(R8G8B8_SSCALED, 8_8_8_SINT, NONE, WZYX),
135
136 /* 32-bit */
137 VT(R32_UINT, 32_UINT, R32_UINT, WZYX),
138 VT(R32_SINT, 32_SINT, R32_SINT, WZYX),
139 V_(R32_USCALED, 32_UINT, NONE, WZYX),
140 V_(R32_SSCALED, 32_SINT, NONE, WZYX),
141 VT(R32_FLOAT, 32_FLOAT, R32_FLOAT,WZYX),
142 V_(R32_FIXED, 32_FIXED, NONE, WZYX),
143
144 _T(A32_UINT, 32_UINT, NONE, WZYX),
145 _T(A32_SINT, 32_SINT, NONE, WZYX),
146 _T(L32_UINT, 32_UINT, NONE, WZYX),
147 _T(L32_SINT, 32_SINT, NONE, WZYX),
148 _T(I32_UINT, 32_UINT, NONE, WZYX),
149 _T(I32_SINT, 32_SINT, NONE, WZYX),
150
151 VT(R16G16_UNORM, 16_16_UNORM, R16G16_UNORM, WZYX),
152 VT(R16G16_SNORM, 16_16_SNORM, R16G16_SNORM, WZYX),
153 VT(R16G16_UINT, 16_16_UINT, R16G16_UINT, WZYX),
154 VT(R16G16_SINT, 16_16_SINT, R16G16_SINT, WZYX),
155 V_(R16G16_USCALED, 16_16_UINT, NONE, WZYX),
156 V_(R16G16_SSCALED, 16_16_SINT, NONE, WZYX),
157 VT(R16G16_FLOAT, 16_16_FLOAT, R16G16_FLOAT, WZYX),
158
159 _T(L16A16_UNORM, 16_16_UNORM, NONE, WZYX),
160 _T(L16A16_SNORM, 16_16_SNORM, NONE, WZYX),
161 _T(L16A16_UINT, 16_16_UINT, NONE, WZYX),
162 _T(L16A16_SINT, 16_16_SINT, NONE, WZYX),
163
164 VT(R8G8B8A8_UNORM, 8_8_8_8_UNORM, R8G8B8A8_UNORM, WZYX),
165 _T(R8G8B8X8_UNORM, 8_8_8_8_UNORM, R8G8B8A8_UNORM, WZYX),
166 _T(R8G8B8A8_SRGB, 8_8_8_8_UNORM, R8G8B8A8_UNORM, WZYX),
167 _T(R8G8B8X8_SRGB, 8_8_8_8_UNORM, R8G8B8A8_UNORM, WZYX),
168 VT(R8G8B8A8_SNORM, 8_8_8_8_SNORM, R8G8B8A8_SNORM, WZYX),
169 VT(R8G8B8A8_UINT, 8_8_8_8_UINT, R8G8B8A8_UINT, WZYX),
170 VT(R8G8B8A8_SINT, 8_8_8_8_SINT, R8G8B8A8_SINT, WZYX),
171 V_(R8G8B8A8_USCALED, 8_8_8_8_UINT, NONE, WZYX),
172 V_(R8G8B8A8_SSCALED, 8_8_8_8_SINT, NONE, WZYX),
173
174 VT(B8G8R8A8_UNORM, 8_8_8_8_UNORM, R8G8B8A8_UNORM, WXYZ),
175 _T(B8G8R8X8_UNORM, 8_8_8_8_UNORM, R8G8B8A8_UNORM, WXYZ),
176 VT(B8G8R8A8_SRGB, 8_8_8_8_UNORM, R8G8B8A8_UNORM, WXYZ),
177 _T(B8G8R8X8_SRGB, 8_8_8_8_UNORM, R8G8B8A8_UNORM, WXYZ),
178
179 VT(A8B8G8R8_UNORM, 8_8_8_8_UNORM, R8G8B8A8_UNORM, XYZW),
180 _T(X8B8G8R8_UNORM, 8_8_8_8_UNORM, R8G8B8A8_UNORM, XYZW),
181 _T(A8B8G8R8_SRGB, 8_8_8_8_UNORM, R8G8B8A8_UNORM, XYZW),
182 _T(X8B8G8R8_SRGB, 8_8_8_8_UNORM, R8G8B8A8_UNORM, XYZW),
183
184 VT(A8R8G8B8_UNORM, 8_8_8_8_UNORM, R8G8B8A8_UNORM, ZYXW),
185 _T(X8R8G8B8_UNORM, 8_8_8_8_UNORM, R8G8B8A8_UNORM, ZYXW),
186 _T(A8R8G8B8_SRGB, 8_8_8_8_UNORM, R8G8B8A8_UNORM, ZYXW),
187 _T(X8R8G8B8_SRGB, 8_8_8_8_UNORM, R8G8B8A8_UNORM, ZYXW),
188
189 VT(R10G10B10A2_UNORM, 10_10_10_2_UNORM, R10G10B10A2_UNORM, WZYX),
190 VT(B10G10R10A2_UNORM, 10_10_10_2_UNORM, R10G10B10A2_UNORM, WXYZ),
191 _T(B10G10R10X2_UNORM, 10_10_10_2_UNORM, R10G10B10A2_UNORM, WXYZ),
192 V_(R10G10B10A2_SNORM, 10_10_10_2_SNORM, NONE, WZYX),
193 V_(B10G10R10A2_SNORM, 10_10_10_2_SNORM, NONE, WXYZ),
194 VT(R10G10B10A2_UINT, 10_10_10_2_UINT, R10G10B10A2_UINT, WZYX),
195 VT(B10G10R10A2_UINT, 10_10_10_2_UINT, R10G10B10A2_UINT, WXYZ),
196 V_(R10G10B10A2_USCALED, 10_10_10_2_UINT, NONE, WZYX),
197 V_(B10G10R10A2_USCALED, 10_10_10_2_UINT, NONE, WXYZ),
198 V_(R10G10B10A2_SSCALED, 10_10_10_2_SINT, NONE, WZYX),
199 V_(B10G10R10A2_SSCALED, 10_10_10_2_SINT, NONE, WXYZ),
200
201 VT(R11G11B10_FLOAT, 11_11_10_FLOAT, R11G11B10_FLOAT, WZYX),
202 _T(R9G9B9E5_FLOAT, 9_9_9_E5_FLOAT, NONE, WZYX),
203
204 _T(Z16_UNORM, 16_UNORM, R8G8_UNORM, WZYX),
205 _T(Z24X8_UNORM, X8Z24_UNORM, R8G8B8A8_UNORM, WZYX),
206 _T(X24S8_UINT, 8_8_8_8_UINT, R8G8B8A8_UINT, XYZW),
207 _T(Z24_UNORM_S8_UINT, X8Z24_UNORM, R8G8B8A8_UNORM, WZYX),
208 _T(Z32_FLOAT, 32_FLOAT, R8G8B8A8_UNORM, WZYX),
209 _T(Z32_FLOAT_S8X24_UINT, 32_FLOAT, R8G8B8A8_UNORM, WZYX),
210 _T(X32_S8X24_UINT, 8_UINT, R8_UINT, WZYX),
211
212 /* 48-bit */
213 V_(R16G16B16_UNORM, 16_16_16_UNORM, NONE, WZYX),
214 V_(R16G16B16_SNORM, 16_16_16_SNORM, NONE, WZYX),
215 V_(R16G16B16_UINT, 16_16_16_UINT, NONE, WZYX),
216 V_(R16G16B16_SINT, 16_16_16_SINT, NONE, WZYX),
217 V_(R16G16B16_USCALED, 16_16_16_UINT, NONE, WZYX),
218 V_(R16G16B16_SSCALED, 16_16_16_SINT, NONE, WZYX),
219 V_(R16G16B16_FLOAT, 16_16_16_FLOAT, NONE, WZYX),
220
221 /* 64-bit */
222 VT(R16G16B16A16_UNORM, 16_16_16_16_UNORM, R16G16B16A16_UNORM, WZYX),
223 VT(R16G16B16X16_UNORM, 16_16_16_16_UNORM, R16G16B16A16_UNORM, WZYX),
224 VT(R16G16B16A16_SNORM, 16_16_16_16_SNORM, R16G16B16A16_SNORM, WZYX),
225 VT(R16G16B16X16_SNORM, 16_16_16_16_SNORM, R16G16B16A16_SNORM, WZYX),
226 VT(R16G16B16A16_UINT, 16_16_16_16_UINT, R16G16B16A16_UINT, WZYX),
227 _T(R16G16B16X16_UINT, 16_16_16_16_UINT, R16G16B16A16_UINT, WZYX),
228 VT(R16G16B16A16_SINT, 16_16_16_16_SINT, R16G16B16A16_SINT, WZYX),
229 _T(R16G16B16X16_SINT, 16_16_16_16_SINT, R16G16B16A16_SINT, WZYX),
230 V_(R16G16B16A16_USCALED, 16_16_16_16_UINT, NONE, WZYX),
231 V_(R16G16B16A16_SSCALED, 16_16_16_16_SINT, NONE, WZYX),
232 VT(R16G16B16A16_FLOAT, 16_16_16_16_FLOAT, R16G16B16A16_FLOAT, WZYX),
233 _T(R16G16B16X16_FLOAT, 16_16_16_16_FLOAT, R16G16B16A16_FLOAT, WZYX),
234
235 VT(R32G32_UINT, 32_32_UINT, R32G32_UINT, WZYX),
236 VT(R32G32_SINT, 32_32_SINT, R32G32_SINT, WZYX),
237 V_(R32G32_USCALED, 32_32_UINT, NONE, WZYX),
238 V_(R32G32_SSCALED, 32_32_SINT, NONE, WZYX),
239 VT(R32G32_FLOAT, 32_32_FLOAT, R32G32_FLOAT,WZYX),
240 V_(R32G32_FIXED, 32_32_FIXED, NONE, WZYX),
241
242 _T(L32A32_UINT, 32_32_UINT, NONE, WZYX),
243 _T(L32A32_SINT, 32_32_SINT, NONE, WZYX),
244
245 /* 96-bit */
246 VT(R32G32B32_UINT, 32_32_32_UINT, NONE, WZYX),
247 VT(R32G32B32_SINT, 32_32_32_SINT, NONE, WZYX),
248 V_(R32G32B32_USCALED, 32_32_32_UINT, NONE, WZYX),
249 V_(R32G32B32_SSCALED, 32_32_32_SINT, NONE, WZYX),
250 VT(R32G32B32_FLOAT, 32_32_32_FLOAT, NONE, WZYX),
251 V_(R32G32B32_FIXED, 32_32_32_FIXED, NONE, WZYX),
252
253 /* 128-bit */
254 VT(R32G32B32A32_UINT, 32_32_32_32_UINT, R32G32B32A32_UINT, WZYX),
255 _T(R32G32B32X32_UINT, 32_32_32_32_UINT, R32G32B32A32_UINT, WZYX),
256 VT(R32G32B32A32_SINT, 32_32_32_32_SINT, R32G32B32A32_SINT, WZYX),
257 _T(R32G32B32X32_SINT, 32_32_32_32_SINT, R32G32B32A32_SINT, WZYX),
258 V_(R32G32B32A32_USCALED, 32_32_32_32_UINT, NONE, WZYX),
259 V_(R32G32B32A32_SSCALED, 32_32_32_32_SINT, NONE, WZYX),
260 VT(R32G32B32A32_FLOAT, 32_32_32_32_FLOAT, R32G32B32A32_FLOAT, WZYX),
261 _T(R32G32B32X32_FLOAT, 32_32_32_32_FLOAT, R32G32B32A32_FLOAT, WZYX),
262 V_(R32G32B32A32_FIXED, 32_32_32_32_FIXED, NONE, WZYX),
263
264 /* compressed */
265 _T(ETC1_RGB8, ETC1, NONE, WZYX),
266 _T(ETC2_RGB8, ETC2_RGB8, NONE, WZYX),
267 _T(ETC2_SRGB8, ETC2_RGB8, NONE, WZYX),
268 _T(ETC2_RGB8A1, ETC2_RGB8A1, NONE, WZYX),
269 _T(ETC2_SRGB8A1, ETC2_RGB8A1, NONE, WZYX),
270 _T(ETC2_RGBA8, ETC2_RGBA8, NONE, WZYX),
271 _T(ETC2_SRGBA8, ETC2_RGBA8, NONE, WZYX),
272 _T(ETC2_R11_UNORM, ETC2_R11_UNORM, NONE, WZYX),
273 _T(ETC2_R11_SNORM, ETC2_R11_SNORM, NONE, WZYX),
274 _T(ETC2_RG11_UNORM, ETC2_RG11_UNORM, NONE, WZYX),
275 _T(ETC2_RG11_SNORM, ETC2_RG11_SNORM, NONE, WZYX),
276
277 _T(DXT1_RGB, DXT1, NONE, WZYX),
278 _T(DXT1_SRGB, DXT1, NONE, WZYX),
279 _T(DXT1_RGBA, DXT1, NONE, WZYX),
280 _T(DXT1_SRGBA, DXT1, NONE, WZYX),
281 _T(DXT3_RGBA, DXT3, NONE, WZYX),
282 _T(DXT3_SRGBA, DXT3, NONE, WZYX),
283 _T(DXT5_RGBA, DXT5, NONE, WZYX),
284 _T(DXT5_SRGBA, DXT5, NONE, WZYX),
285
286 _T(BPTC_RGBA_UNORM, BPTC, NONE, WZYX),
287 _T(BPTC_SRGBA, BPTC, NONE, WZYX),
288 _T(BPTC_RGB_FLOAT, BPTC_FLOAT, NONE, WZYX),
289 _T(BPTC_RGB_UFLOAT, BPTC_UFLOAT, NONE, WZYX),
290
291 _T(RGTC1_UNORM, RGTC1_UNORM, NONE, WZYX),
292 _T(RGTC1_SNORM, RGTC1_SNORM, NONE, WZYX),
293 _T(RGTC2_UNORM, RGTC2_UNORM, NONE, WZYX),
294 _T(RGTC2_SNORM, RGTC2_SNORM, NONE, WZYX),
295 _T(LATC1_UNORM, RGTC1_UNORM, NONE, WZYX),
296 _T(LATC1_SNORM, RGTC1_SNORM, NONE, WZYX),
297 _T(LATC2_UNORM, RGTC2_UNORM, NONE, WZYX),
298 _T(LATC2_SNORM, RGTC2_SNORM, NONE, WZYX),
299
300 _T(ASTC_4x4, ASTC_4x4, NONE, WZYX),
301 _T(ASTC_5x4, ASTC_5x4, NONE, WZYX),
302 _T(ASTC_5x5, ASTC_5x5, NONE, WZYX),
303 _T(ASTC_6x5, ASTC_6x5, NONE, WZYX),
304 _T(ASTC_6x6, ASTC_6x6, NONE, WZYX),
305 _T(ASTC_8x5, ASTC_8x5, NONE, WZYX),
306 _T(ASTC_8x6, ASTC_8x6, NONE, WZYX),
307 _T(ASTC_8x8, ASTC_8x8, NONE, WZYX),
308 _T(ASTC_10x5, ASTC_10x5, NONE, WZYX),
309 _T(ASTC_10x6, ASTC_10x6, NONE, WZYX),
310 _T(ASTC_10x8, ASTC_10x8, NONE, WZYX),
311 _T(ASTC_10x10, ASTC_10x10, NONE, WZYX),
312 _T(ASTC_12x10, ASTC_12x10, NONE, WZYX),
313 _T(ASTC_12x12, ASTC_12x12, NONE, WZYX),
314
315 _T(ASTC_4x4_SRGB, ASTC_4x4, NONE, WZYX),
316 _T(ASTC_5x4_SRGB, ASTC_5x4, NONE, WZYX),
317 _T(ASTC_5x5_SRGB, ASTC_5x5, NONE, WZYX),
318 _T(ASTC_6x5_SRGB, ASTC_6x5, NONE, WZYX),
319 _T(ASTC_6x6_SRGB, ASTC_6x6, NONE, WZYX),
320 _T(ASTC_8x5_SRGB, ASTC_8x5, NONE, WZYX),
321 _T(ASTC_8x6_SRGB, ASTC_8x6, NONE, WZYX),
322 _T(ASTC_8x8_SRGB, ASTC_8x8, NONE, WZYX),
323 _T(ASTC_10x5_SRGB, ASTC_10x5, NONE, WZYX),
324 _T(ASTC_10x6_SRGB, ASTC_10x6, NONE, WZYX),
325 _T(ASTC_10x8_SRGB, ASTC_10x8, NONE, WZYX),
326 _T(ASTC_10x10_SRGB, ASTC_10x10, NONE, WZYX),
327 _T(ASTC_12x10_SRGB, ASTC_12x10, NONE, WZYX),
328 _T(ASTC_12x12_SRGB, ASTC_12x12, NONE, WZYX),
329 };
330 /* clang-format on */
331
332 /* convert pipe format to vertex buffer format: */
333 enum a4xx_vtx_fmt
fd4_pipe2vtx(enum pipe_format format)334 fd4_pipe2vtx(enum pipe_format format)
335 {
336 if (!formats[format].present)
337 return VFMT4_NONE;
338 return formats[format].vtx;
339 }
340
341 /* convert pipe format to texture sampler format: */
342 enum a4xx_tex_fmt
fd4_pipe2tex(enum pipe_format format)343 fd4_pipe2tex(enum pipe_format format)
344 {
345 if (!formats[format].present)
346 return TFMT4_NONE;
347 return formats[format].tex;
348 }
349
350 /* convert pipe format to MRT / copydest format used for render-target: */
351 enum a4xx_color_fmt
fd4_pipe2color(enum pipe_format format)352 fd4_pipe2color(enum pipe_format format)
353 {
354 if (!formats[format].present)
355 return RB4_NONE;
356 return formats[format].rb;
357 }
358
359 enum a3xx_color_swap
fd4_pipe2swap(enum pipe_format format)360 fd4_pipe2swap(enum pipe_format format)
361 {
362 if (!formats[format].present)
363 return WZYX;
364 return formats[format].swap;
365 }
366
367 enum a4xx_depth_format
fd4_pipe2depth(enum pipe_format format)368 fd4_pipe2depth(enum pipe_format format)
369 {
370 switch (format) {
371 case PIPE_FORMAT_Z16_UNORM:
372 return DEPTH4_16;
373 case PIPE_FORMAT_Z24X8_UNORM:
374 case PIPE_FORMAT_Z24_UNORM_S8_UINT:
375 case PIPE_FORMAT_X8Z24_UNORM:
376 case PIPE_FORMAT_S8_UINT_Z24_UNORM:
377 return DEPTH4_24_8;
378 case PIPE_FORMAT_Z32_FLOAT:
379 case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
380 return DEPTH4_32;
381 default:
382 return ~0;
383 }
384 }
385
386 static inline enum a4xx_tex_swiz
tex_swiz(unsigned swiz)387 tex_swiz(unsigned swiz)
388 {
389 switch (swiz) {
390 default:
391 case PIPE_SWIZZLE_X:
392 return A4XX_TEX_X;
393 case PIPE_SWIZZLE_Y:
394 return A4XX_TEX_Y;
395 case PIPE_SWIZZLE_Z:
396 return A4XX_TEX_Z;
397 case PIPE_SWIZZLE_W:
398 return A4XX_TEX_W;
399 case PIPE_SWIZZLE_0:
400 return A4XX_TEX_ZERO;
401 case PIPE_SWIZZLE_1:
402 return A4XX_TEX_ONE;
403 }
404 }
405
406 uint32_t
fd4_tex_swiz(enum pipe_format format,unsigned swizzle_r,unsigned swizzle_g,unsigned swizzle_b,unsigned swizzle_a)407 fd4_tex_swiz(enum pipe_format format, unsigned swizzle_r, unsigned swizzle_g,
408 unsigned swizzle_b, unsigned swizzle_a)
409 {
410 const struct util_format_description *desc = util_format_description(format);
411 unsigned char swiz[4] = {
412 swizzle_r,
413 swizzle_g,
414 swizzle_b,
415 swizzle_a,
416 }, rswiz[4];
417
418 util_format_compose_swizzles(desc->swizzle, swiz, rswiz);
419
420 return A4XX_TEX_CONST_0_SWIZ_X(tex_swiz(rswiz[0])) |
421 A4XX_TEX_CONST_0_SWIZ_Y(tex_swiz(rswiz[1])) |
422 A4XX_TEX_CONST_0_SWIZ_Z(tex_swiz(rswiz[2])) |
423 A4XX_TEX_CONST_0_SWIZ_W(tex_swiz(rswiz[3]));
424 }
425