1 /*
2 * Copyright (C) 2016 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/u_format.h"
29
30 #include "fd5_format.h"
31
32
33 /* Specifies the table of all the formats and their features. Also supplies
34 * the helpers that look up various data in those tables.
35 */
36
37 struct fd5_format {
38 enum a5xx_vtx_fmt vtx;
39 enum a5xx_tex_fmt tex;
40 enum a5xx_color_fmt rb;
41 enum a3xx_color_swap swap;
42 boolean present;
43 };
44
45 #define RB5_NONE ~0
46
47 /* vertex + texture */
48 #define VT(pipe, fmt, rbfmt, swapfmt) \
49 [PIPE_FORMAT_ ## pipe] = { \
50 .present = 1, \
51 .vtx = VFMT5_ ## fmt, \
52 .tex = TFMT5_ ## fmt, \
53 .rb = RB5_ ## rbfmt, \
54 .swap = swapfmt \
55 }
56
57 /* texture-only */
58 #define _T(pipe, fmt, rbfmt, swapfmt) \
59 [PIPE_FORMAT_ ## pipe] = { \
60 .present = 1, \
61 .vtx = ~0, \
62 .tex = TFMT5_ ## fmt, \
63 .rb = RB5_ ## rbfmt, \
64 .swap = swapfmt \
65 }
66
67 /* vertex-only */
68 #define V_(pipe, fmt, rbfmt, swapfmt) \
69 [PIPE_FORMAT_ ## pipe] = { \
70 .present = 1, \
71 .vtx = VFMT5_ ## fmt, \
72 .tex = ~0, \
73 .rb = RB5_ ## rbfmt, \
74 .swap = swapfmt \
75 }
76
77 static struct fd5_format formats[PIPE_FORMAT_COUNT] = {
78 /* for blitting, treat PIPE_FORMAT_NONE as 8bit R8: */
79 _T(R8_UINT, 8_UINT, R8_UINT, WZYX),
80
81 /* 8-bit */
82 VT(R8_UNORM, 8_UNORM, R8_UNORM, WZYX),
83 VT(R8_SNORM, 8_SNORM, R8_SNORM, WZYX),
84 VT(R8_UINT, 8_UINT, R8_UINT, WZYX),
85 VT(R8_SINT, 8_SINT, R8_SINT, WZYX),
86 V_(R8_USCALED, 8_UINT, NONE, WZYX),
87 V_(R8_SSCALED, 8_UINT, NONE, WZYX),
88
89 _T(A8_UNORM, 8_UNORM, A8_UNORM, WZYX),
90 _T(L8_UNORM, 8_UNORM, R8_UNORM, WZYX),
91 _T(I8_UNORM, 8_UNORM, NONE, WZYX),
92
93 _T(A8_UINT, 8_UINT, NONE, WZYX),
94 _T(A8_SINT, 8_SINT, NONE, WZYX),
95 _T(L8_UINT, 8_UINT, NONE, WZYX),
96 _T(L8_SINT, 8_SINT, NONE, WZYX),
97 _T(I8_UINT, 8_UINT, NONE, WZYX),
98 _T(I8_SINT, 8_SINT, NONE, WZYX),
99
100 _T(S8_UINT, 8_UINT, R8_UNORM, WZYX),
101
102 /* 16-bit */
103 VT(R16_UNORM, 16_UNORM, R16_UNORM, WZYX),
104 VT(R16_SNORM, 16_SNORM, R16_SNORM, WZYX),
105 VT(R16_UINT, 16_UINT, R16_UINT, WZYX),
106 VT(R16_SINT, 16_SINT, R16_SINT, WZYX),
107 V_(R16_USCALED, 16_UINT, NONE, WZYX),
108 V_(R16_SSCALED, 16_UINT, NONE, WZYX),
109 VT(R16_FLOAT, 16_FLOAT, R16_FLOAT, WZYX),
110 _T(Z16_UNORM, 16_UNORM, R16_UNORM, WZYX),
111
112 _T(A16_UNORM, 16_UNORM, NONE, WZYX),
113 _T(A16_SNORM, 16_SNORM, NONE, WZYX),
114 _T(A16_UINT, 16_UINT, NONE, WZYX),
115 _T(A16_SINT, 16_SINT, NONE, WZYX),
116 _T(L16_UNORM, 16_UNORM, NONE, WZYX),
117 _T(L16_SNORM, 16_SNORM, NONE, WZYX),
118 _T(L16_UINT, 16_UINT, NONE, WZYX),
119 _T(L16_SINT, 16_SINT, NONE, WZYX),
120 _T(I16_UNORM, 16_UNORM, NONE, WZYX),
121 _T(I16_SNORM, 16_SNORM, NONE, WZYX),
122 _T(I16_UINT, 16_UINT, NONE, WZYX),
123 _T(I16_SINT, 16_SINT, NONE, WZYX),
124
125 VT(R8G8_UNORM, 8_8_UNORM, R8G8_UNORM, WZYX),
126 VT(R8G8_SNORM, 8_8_SNORM, R8G8_SNORM, WZYX),
127 VT(R8G8_UINT, 8_8_UINT, R8G8_UINT, WZYX),
128 VT(R8G8_SINT, 8_8_SINT, R8G8_SINT, WZYX),
129 V_(R8G8_USCALED, 8_8_UINT, NONE, WZYX),
130 V_(R8G8_SSCALED, 8_8_SINT, NONE, WZYX),
131
132 _T(L8A8_UINT, 8_8_UINT, NONE, WZYX),
133 _T(L8A8_SINT, 8_8_SINT, NONE, WZYX),
134
135 _T(B5G6R5_UNORM, 5_6_5_UNORM, R5G6B5_UNORM, WXYZ),
136 _T(B5G5R5A1_UNORM, 5_5_5_1_UNORM, R5G5B5A1_UNORM, WXYZ),
137 _T(B5G5R5X1_UNORM, 5_5_5_1_UNORM, R5G5B5A1_UNORM, WXYZ),
138 _T(B4G4R4A4_UNORM, 4_4_4_4_UNORM, R4G4B4A4_UNORM, WXYZ),
139
140 /* 24-bit */
141 V_(R8G8B8_UNORM, 8_8_8_UNORM, NONE, WZYX),
142 V_(R8G8B8_SNORM, 8_8_8_SNORM, NONE, WZYX),
143 V_(R8G8B8_UINT, 8_8_8_UINT, NONE, WZYX),
144 V_(R8G8B8_SINT, 8_8_8_SINT, NONE, WZYX),
145 V_(R8G8B8_USCALED, 8_8_8_UINT, NONE, WZYX),
146 V_(R8G8B8_SSCALED, 8_8_8_SINT, NONE, WZYX),
147
148 /* 32-bit */
149 VT(R32_UINT, 32_UINT, R32_UINT, WZYX),
150 VT(R32_SINT, 32_SINT, R32_SINT, WZYX),
151 V_(R32_USCALED, 32_UINT, NONE, WZYX),
152 V_(R32_SSCALED, 32_UINT, NONE, WZYX),
153 VT(R32_FLOAT, 32_FLOAT, R32_FLOAT,WZYX),
154 V_(R32_FIXED, 32_FIXED, NONE, WZYX),
155
156 _T(A32_UINT, 32_UINT, NONE, WZYX),
157 _T(A32_SINT, 32_SINT, NONE, WZYX),
158 _T(L32_UINT, 32_UINT, NONE, WZYX),
159 _T(L32_SINT, 32_SINT, NONE, WZYX),
160 _T(I32_UINT, 32_UINT, NONE, WZYX),
161 _T(I32_SINT, 32_SINT, NONE, WZYX),
162
163 VT(R16G16_UNORM, 16_16_UNORM, R16G16_UNORM, WZYX),
164 VT(R16G16_SNORM, 16_16_SNORM, R16G16_SNORM, WZYX),
165 VT(R16G16_UINT, 16_16_UINT, R16G16_UINT, WZYX),
166 VT(R16G16_SINT, 16_16_SINT, R16G16_SINT, WZYX),
167 VT(R16G16_USCALED, 16_16_UINT, NONE, WZYX),
168 VT(R16G16_SSCALED, 16_16_SINT, NONE, WZYX),
169 VT(R16G16_FLOAT, 16_16_FLOAT, R16G16_FLOAT, WZYX),
170
171 _T(L16A16_UNORM, 16_16_UNORM, NONE, WZYX),
172 _T(L16A16_SNORM, 16_16_SNORM, NONE, WZYX),
173 _T(L16A16_UINT, 16_16_UINT, NONE, WZYX),
174 _T(L16A16_SINT, 16_16_SINT, NONE, WZYX),
175
176 VT(R8G8B8A8_UNORM, 8_8_8_8_UNORM, R8G8B8A8_UNORM, WZYX),
177 _T(R8G8B8X8_UNORM, 8_8_8_8_UNORM, R8G8B8A8_UNORM, WZYX),
178 _T(R8G8B8A8_SRGB, 8_8_8_8_UNORM, R8G8B8A8_UNORM, WZYX),
179 _T(R8G8B8X8_SRGB, 8_8_8_8_UNORM, R8G8B8A8_UNORM, WZYX),
180 VT(R8G8B8A8_SNORM, 8_8_8_8_SNORM, R8G8B8A8_SNORM, WZYX),
181 VT(R8G8B8A8_UINT, 8_8_8_8_UINT, R8G8B8A8_UINT, WZYX),
182 VT(R8G8B8A8_SINT, 8_8_8_8_SINT, R8G8B8A8_SINT, WZYX),
183 V_(R8G8B8A8_USCALED, 8_8_8_8_UINT, NONE, WZYX),
184 V_(R8G8B8A8_SSCALED, 8_8_8_8_SINT, NONE, WZYX),
185
186 VT(B8G8R8A8_UNORM, 8_8_8_8_UNORM, R8G8B8A8_UNORM, WXYZ),
187 _T(B8G8R8X8_UNORM, 8_8_8_8_UNORM, R8G8B8A8_UNORM, WXYZ),
188 VT(B8G8R8A8_SRGB, 8_8_8_8_UNORM, R8G8B8A8_UNORM, WXYZ),
189 _T(B8G8R8X8_SRGB, 8_8_8_8_UNORM, R8G8B8A8_UNORM, WXYZ),
190
191 VT(A8B8G8R8_UNORM, 8_8_8_8_UNORM, R8G8B8A8_UNORM, XYZW),
192 _T(X8B8G8R8_UNORM, 8_8_8_8_UNORM, R8G8B8A8_UNORM, XYZW),
193 _T(A8B8G8R8_SRGB, 8_8_8_8_UNORM, R8G8B8A8_UNORM, XYZW),
194 _T(X8B8G8R8_SRGB, 8_8_8_8_UNORM, R8G8B8A8_UNORM, XYZW),
195
196 VT(A8R8G8B8_UNORM, 8_8_8_8_UNORM, R8G8B8A8_UNORM, ZYXW),
197 _T(X8R8G8B8_UNORM, 8_8_8_8_UNORM, R8G8B8A8_UNORM, ZYXW),
198 _T(A8R8G8B8_SRGB, 8_8_8_8_UNORM, R8G8B8A8_UNORM, ZYXW),
199 _T(X8R8G8B8_SRGB, 8_8_8_8_UNORM, R8G8B8A8_UNORM, ZYXW),
200
201 VT(R10G10B10A2_UNORM, 10_10_10_2_UNORM, R10G10B10A2_UNORM, WZYX),
202 VT(B10G10R10A2_UNORM, 10_10_10_2_UNORM, R10G10B10A2_UNORM, WXYZ),
203 _T(B10G10R10X2_UNORM, 10_10_10_2_UNORM, R10G10B10A2_UNORM, WXYZ),
204 V_(R10G10B10A2_SNORM, 10_10_10_2_SNORM, NONE, WZYX),
205 V_(B10G10R10A2_SNORM, 10_10_10_2_SNORM, NONE, WXYZ),
206 VT(R10G10B10A2_UINT, 10_10_10_2_UINT, R10G10B10A2_UINT, WZYX),
207 VT(B10G10R10A2_UINT, 10_10_10_2_UINT, R10G10B10A2_UINT, WXYZ),
208 V_(R10G10B10A2_USCALED, 10_10_10_2_UINT, NONE, WZYX),
209 V_(B10G10R10A2_USCALED, 10_10_10_2_UINT, NONE, WXYZ),
210 V_(R10G10B10A2_SSCALED, 10_10_10_2_SINT, NONE, WZYX),
211 V_(B10G10R10A2_SSCALED, 10_10_10_2_SINT, NONE, WXYZ),
212
213 VT(R11G11B10_FLOAT, 11_11_10_FLOAT, R11G11B10_FLOAT, WZYX),
214 _T(R9G9B9E5_FLOAT, 9_9_9_E5_FLOAT, NONE, WZYX),
215
216 _T(Z24X8_UNORM, X8Z24_UNORM, R8G8B8A8_UNORM, WZYX),
217 _T(X24S8_UINT, 8_8_8_8_UINT, R8G8B8A8_UINT, XYZW),
218 _T(Z24_UNORM_S8_UINT, X8Z24_UNORM, R8G8B8A8_UNORM, WZYX),
219 _T(Z32_FLOAT, 32_FLOAT, R8G8B8A8_UNORM, WZYX),
220 _T(Z32_FLOAT_S8X24_UINT, 32_FLOAT, R8G8B8A8_UNORM, WZYX),
221 _T(X32_S8X24_UINT, 8_UINT, R8_UINT, WZYX),
222
223 /* 48-bit */
224 V_(R16G16B16_UNORM, 16_16_16_UNORM, NONE, WZYX),
225 V_(R16G16B16_SNORM, 16_16_16_SNORM, NONE, WZYX),
226 V_(R16G16B16_UINT, 16_16_16_UINT, NONE, WZYX),
227 V_(R16G16B16_SINT, 16_16_16_SINT, NONE, WZYX),
228 V_(R16G16B16_USCALED, 16_16_16_UINT, NONE, WZYX),
229 V_(R16G16B16_SSCALED, 16_16_16_SINT, NONE, WZYX),
230 V_(R16G16B16_FLOAT, 16_16_16_FLOAT, NONE, WZYX),
231
232 /* 64-bit */
233 VT(R16G16B16A16_UNORM, 16_16_16_16_UNORM, R16G16B16A16_UNORM, WZYX),
234 VT(R16G16B16X16_UNORM, 16_16_16_16_UNORM, R16G16B16A16_UNORM, WZYX),
235 VT(R16G16B16A16_SNORM, 16_16_16_16_SNORM, R16G16B16A16_SNORM, WZYX),
236 VT(R16G16B16X16_SNORM, 16_16_16_16_SNORM, R16G16B16A16_SNORM, WZYX),
237 VT(R16G16B16A16_UINT, 16_16_16_16_UINT, R16G16B16A16_UINT, WZYX),
238 VT(R16G16B16X16_UINT, 16_16_16_16_UINT, R16G16B16A16_UINT, WZYX),
239 VT(R16G16B16A16_SINT, 16_16_16_16_SINT, R16G16B16A16_SINT, WZYX),
240 VT(R16G16B16X16_SINT, 16_16_16_16_SINT, R16G16B16A16_SINT, WZYX),
241 VT(R16G16B16A16_USCALED, 16_16_16_16_UINT, NONE, WZYX),
242 VT(R16G16B16A16_SSCALED, 16_16_16_16_SINT, NONE, WZYX),
243 VT(R16G16B16A16_FLOAT, 16_16_16_16_FLOAT, R16G16B16A16_FLOAT, WZYX),
244 VT(R16G16B16X16_FLOAT, 16_16_16_16_FLOAT, R16G16B16A16_FLOAT, WZYX),
245
246 VT(R32G32_UINT, 32_32_UINT, R32G32_UINT, WZYX),
247 VT(R32G32_SINT, 32_32_SINT, R32G32_SINT, WZYX),
248 V_(R32G32_USCALED, 32_32_UINT, NONE, WZYX),
249 V_(R32G32_SSCALED, 32_32_SINT, NONE, WZYX),
250 VT(R32G32_FLOAT, 32_32_FLOAT, R32G32_FLOAT,WZYX),
251 V_(R32G32_FIXED, 32_32_FIXED, NONE, WZYX),
252
253 _T(L32A32_UINT, 32_32_UINT, NONE, WZYX),
254 _T(L32A32_SINT, 32_32_SINT, NONE, WZYX),
255
256 /* 96-bit */
257 VT(R32G32B32_UINT, 32_32_32_UINT, NONE, WZYX),
258 VT(R32G32B32_SINT, 32_32_32_SINT, NONE, WZYX),
259 V_(R32G32B32_USCALED, 32_32_32_UINT, NONE, WZYX),
260 V_(R32G32B32_SSCALED, 32_32_32_SINT, NONE, WZYX),
261 VT(R32G32B32_FLOAT, 32_32_32_FLOAT, NONE, WZYX),
262 V_(R32G32B32_FIXED, 32_32_32_FIXED, NONE, WZYX),
263
264 /* 128-bit */
265 VT(R32G32B32A32_UINT, 32_32_32_32_UINT, R32G32B32A32_UINT, WZYX),
266 _T(R32G32B32X32_UINT, 32_32_32_32_UINT, R32G32B32A32_UINT, WZYX),
267 VT(R32G32B32A32_SINT, 32_32_32_32_SINT, R32G32B32A32_SINT, WZYX),
268 _T(R32G32B32X32_SINT, 32_32_32_32_SINT, R32G32B32A32_SINT, WZYX),
269 V_(R32G32B32A32_USCALED, 32_32_32_32_UINT, NONE, WZYX),
270 V_(R32G32B32A32_SSCALED, 32_32_32_32_SINT, NONE, WZYX),
271 VT(R32G32B32A32_FLOAT, 32_32_32_32_FLOAT, R32G32B32A32_FLOAT, WZYX),
272 _T(R32G32B32X32_FLOAT, 32_32_32_32_FLOAT, R32G32B32A32_FLOAT, WZYX),
273 V_(R32G32B32A32_FIXED, 32_32_32_32_FIXED, NONE, WZYX),
274
275 /* compressed */
276 _T(ETC1_RGB8, ETC1, NONE, WZYX),
277 _T(ETC2_RGB8, ETC2_RGB8, NONE, WZYX),
278 _T(ETC2_SRGB8, ETC2_RGB8, NONE, WZYX),
279 _T(ETC2_RGB8A1, ETC2_RGB8A1, NONE, WZYX),
280 _T(ETC2_SRGB8A1, ETC2_RGB8A1, NONE, WZYX),
281 _T(ETC2_RGBA8, ETC2_RGBA8, NONE, WZYX),
282 _T(ETC2_SRGBA8, ETC2_RGBA8, NONE, WZYX),
283 _T(ETC2_R11_UNORM, ETC2_R11_UNORM, NONE, WZYX),
284 _T(ETC2_R11_SNORM, ETC2_R11_SNORM, NONE, WZYX),
285 _T(ETC2_RG11_UNORM, ETC2_RG11_UNORM, NONE, WZYX),
286 _T(ETC2_RG11_SNORM, ETC2_RG11_SNORM, NONE, WZYX),
287
288 _T(DXT1_RGB, DXT1, NONE, WZYX),
289 _T(DXT1_SRGB, DXT1, NONE, WZYX),
290 _T(DXT1_RGBA, DXT1, NONE, WZYX),
291 _T(DXT1_SRGBA, DXT1, NONE, WZYX),
292 _T(DXT3_RGBA, DXT3, NONE, WZYX),
293 _T(DXT3_SRGBA, DXT3, NONE, WZYX),
294 _T(DXT5_RGBA, DXT5, NONE, WZYX),
295 _T(DXT5_SRGBA, DXT5, NONE, WZYX),
296
297 _T(BPTC_RGBA_UNORM, BPTC, NONE, WZYX),
298 _T(BPTC_SRGBA, BPTC, NONE, WZYX),
299 _T(BPTC_RGB_FLOAT, BPTC_FLOAT, NONE, WZYX),
300 _T(BPTC_RGB_UFLOAT, BPTC_UFLOAT, NONE, WZYX),
301
302 _T(RGTC1_UNORM, RGTC1_UNORM, NONE, WZYX),
303 _T(RGTC1_SNORM, RGTC1_SNORM, NONE, WZYX),
304 _T(RGTC2_UNORM, RGTC2_UNORM, NONE, WZYX),
305 _T(RGTC2_SNORM, RGTC2_SNORM, NONE, WZYX),
306 _T(LATC1_UNORM, RGTC1_UNORM, NONE, WZYX),
307 _T(LATC1_SNORM, RGTC1_SNORM, NONE, WZYX),
308 _T(LATC2_UNORM, RGTC2_UNORM, NONE, WZYX),
309 _T(LATC2_SNORM, RGTC2_SNORM, NONE, WZYX),
310
311 _T(ASTC_4x4, ASTC_4x4, NONE, WZYX),
312 _T(ASTC_5x4, ASTC_5x4, NONE, WZYX),
313 _T(ASTC_5x5, ASTC_5x5, NONE, WZYX),
314 _T(ASTC_6x5, ASTC_6x5, NONE, WZYX),
315 _T(ASTC_6x6, ASTC_6x6, NONE, WZYX),
316 _T(ASTC_8x5, ASTC_8x5, NONE, WZYX),
317 _T(ASTC_8x6, ASTC_8x6, NONE, WZYX),
318 _T(ASTC_8x8, ASTC_8x8, NONE, WZYX),
319 _T(ASTC_10x5, ASTC_10x5, NONE, WZYX),
320 _T(ASTC_10x6, ASTC_10x6, NONE, WZYX),
321 _T(ASTC_10x8, ASTC_10x8, NONE, WZYX),
322 _T(ASTC_10x10, ASTC_10x10, NONE, WZYX),
323 _T(ASTC_12x10, ASTC_12x10, NONE, WZYX),
324 _T(ASTC_12x12, ASTC_12x12, NONE, WZYX),
325
326 _T(ASTC_4x4_SRGB, ASTC_4x4, NONE, WZYX),
327 _T(ASTC_5x4_SRGB, ASTC_5x4, NONE, WZYX),
328 _T(ASTC_5x5_SRGB, ASTC_5x5, NONE, WZYX),
329 _T(ASTC_6x5_SRGB, ASTC_6x5, NONE, WZYX),
330 _T(ASTC_6x6_SRGB, ASTC_6x6, NONE, WZYX),
331 _T(ASTC_8x5_SRGB, ASTC_8x5, NONE, WZYX),
332 _T(ASTC_8x6_SRGB, ASTC_8x6, NONE, WZYX),
333 _T(ASTC_8x8_SRGB, ASTC_8x8, NONE, WZYX),
334 _T(ASTC_10x5_SRGB, ASTC_10x5, NONE, WZYX),
335 _T(ASTC_10x6_SRGB, ASTC_10x6, NONE, WZYX),
336 _T(ASTC_10x8_SRGB, ASTC_10x8, NONE, WZYX),
337 _T(ASTC_10x10_SRGB, ASTC_10x10, NONE, WZYX),
338 _T(ASTC_12x10_SRGB, ASTC_12x10, NONE, WZYX),
339 _T(ASTC_12x12_SRGB, ASTC_12x12, NONE, WZYX),
340 };
341
342 /* convert pipe format to vertex buffer format: */
343 enum a5xx_vtx_fmt
fd5_pipe2vtx(enum pipe_format format)344 fd5_pipe2vtx(enum pipe_format format)
345 {
346 if (!formats[format].present)
347 return ~0;
348 return formats[format].vtx;
349 }
350
351 /* convert pipe format to texture sampler format: */
352 enum a5xx_tex_fmt
fd5_pipe2tex(enum pipe_format format)353 fd5_pipe2tex(enum pipe_format format)
354 {
355 if (!formats[format].present)
356 return ~0;
357 return formats[format].tex;
358 }
359
360 /* convert pipe format to MRT / copydest format used for render-target: */
361 enum a5xx_color_fmt
fd5_pipe2color(enum pipe_format format)362 fd5_pipe2color(enum pipe_format format)
363 {
364 if (!formats[format].present)
365 return ~0;
366 return formats[format].rb;
367 }
368
369 enum a3xx_color_swap
fd5_pipe2swap(enum pipe_format format)370 fd5_pipe2swap(enum pipe_format format)
371 {
372 if (!formats[format].present)
373 return WZYX;
374 return formats[format].swap;
375 }
376
377 // XXX possibly same as a4xx..
378 enum a5xx_tex_fetchsize
fd5_pipe2fetchsize(enum pipe_format format)379 fd5_pipe2fetchsize(enum pipe_format format)
380 {
381 if (format == PIPE_FORMAT_Z32_FLOAT_S8X24_UINT)
382 format = PIPE_FORMAT_Z32_FLOAT;
383
384 if (util_format_description(format)->layout == UTIL_FORMAT_LAYOUT_ASTC)
385 return TFETCH5_16_BYTE;
386
387 switch (util_format_get_blocksizebits(format) / util_format_get_blockwidth(format)) {
388 case 8: return TFETCH5_1_BYTE;
389 case 16: return TFETCH5_2_BYTE;
390 case 32: return TFETCH5_4_BYTE;
391 case 64: return TFETCH5_8_BYTE;
392 case 96: return TFETCH5_1_BYTE; /* Does this matter? */
393 case 128: return TFETCH5_16_BYTE;
394 default:
395 debug_printf("Unknown block size for format %s: %d\n",
396 util_format_name(format),
397 util_format_get_blocksizebits(format));
398 return TFETCH5_1_BYTE;
399 }
400 }
401
402 enum a5xx_depth_format
fd5_pipe2depth(enum pipe_format format)403 fd5_pipe2depth(enum pipe_format format)
404 {
405 switch (format) {
406 case PIPE_FORMAT_Z16_UNORM:
407 return DEPTH5_16;
408 case PIPE_FORMAT_Z24X8_UNORM:
409 case PIPE_FORMAT_Z24_UNORM_S8_UINT:
410 case PIPE_FORMAT_X8Z24_UNORM:
411 case PIPE_FORMAT_S8_UINT_Z24_UNORM:
412 return DEPTH5_24_8;
413 case PIPE_FORMAT_Z32_FLOAT:
414 case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
415 return DEPTH5_32;
416 default:
417 return ~0;
418 }
419 }
420
421 static inline enum a5xx_tex_swiz
tex_swiz(unsigned swiz)422 tex_swiz(unsigned swiz)
423 {
424 switch (swiz) {
425 default:
426 case PIPE_SWIZZLE_X: return A5XX_TEX_X;
427 case PIPE_SWIZZLE_Y: return A5XX_TEX_Y;
428 case PIPE_SWIZZLE_Z: return A5XX_TEX_Z;
429 case PIPE_SWIZZLE_W: return A5XX_TEX_W;
430 case PIPE_SWIZZLE_0: return A5XX_TEX_ZERO;
431 case PIPE_SWIZZLE_1: return A5XX_TEX_ONE;
432 }
433 }
434
435 uint32_t
fd5_tex_swiz(enum pipe_format format,unsigned swizzle_r,unsigned swizzle_g,unsigned swizzle_b,unsigned swizzle_a)436 fd5_tex_swiz(enum pipe_format format, unsigned swizzle_r, unsigned swizzle_g,
437 unsigned swizzle_b, unsigned swizzle_a)
438 {
439 const struct util_format_description *desc =
440 util_format_description(format);
441 unsigned char swiz[4] = {
442 swizzle_r, swizzle_g, swizzle_b, swizzle_a,
443 }, rswiz[4];
444
445 util_format_compose_swizzles(desc->swizzle, swiz, rswiz);
446
447 return A5XX_TEX_CONST_0_SWIZ_X(tex_swiz(rswiz[0])) |
448 A5XX_TEX_CONST_0_SWIZ_Y(tex_swiz(rswiz[1])) |
449 A5XX_TEX_CONST_0_SWIZ_Z(tex_swiz(rswiz[2])) |
450 A5XX_TEX_CONST_0_SWIZ_W(tex_swiz(rswiz[3]));
451 }
452