2 * Copyright (C) 2016 Rob Clark <robclark@freedesktop.org>
3 * Copyright © 2018 Google, Inc.
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
25 * Rob Clark <robclark@freedesktop.org>
28 #include "pipe/p_defines.h"
29 #include "util/format/u_format.h"
31 #include "fd6_format.h"
32 #include "freedreno_resource.h"
35 /* Specifies the table of all the formats and their features. Also supplies
36 * the helpers that look up various data in those tables.
43 enum a3xx_color_swap swap
;
49 #define FMT(pipe, vtxfmt, texfmt, rbfmt, swapfmt) \
50 [PIPE_FORMAT_ ## pipe] = { \
52 .vtx = FMT6_ ## vtxfmt, \
53 .tex = FMT6_ ## texfmt, \
54 .rb = FMT6_ ## rbfmt, \
58 /* vertex + texture + color */
59 #define VTC(pipe, fmt, swapfmt) FMT(pipe, fmt, fmt, fmt, swapfmt)
61 #define _TC(pipe, fmt, swapfmt) FMT(pipe, NONE, fmt, fmt, swapfmt)
62 #define _T_(pipe, fmt, swapfmt) FMT(pipe, NONE, fmt, NONE, swapfmt)
63 #define VT_(pipe, fmt, swapfmt) FMT(pipe, fmt, fmt, NONE, swapfmt)
64 #define V__(pipe, fmt, swapfmt) FMT(pipe, fmt, NONE, NONE, swapfmt)
66 static struct fd6_format formats
[PIPE_FORMAT_COUNT
] = {
68 VTC(R8_UNORM
, 8_UNORM
, WZYX
),
69 VTC(R8_SNORM
, 8_SNORM
, WZYX
),
70 VTC(R8_UINT
, 8_UINT
, WZYX
),
71 VTC(R8_SINT
, 8_SINT
, WZYX
),
72 V__(R8_USCALED
, 8_UINT
, WZYX
),
73 V__(R8_SSCALED
, 8_SINT
, WZYX
),
75 FMT(A8_UNORM
, NONE
, 8_UNORM
, A8_UNORM
, WZYX
),
76 _TC(L8_UNORM
, 8_UNORM
, WZYX
),
77 _T_(I8_UNORM
, 8_UNORM
, WZYX
),
79 _T_(A8_UINT
, 8_UINT
, WZYX
),
80 _T_(A8_SINT
, 8_SINT
, WZYX
),
81 _T_(L8_UINT
, 8_UINT
, WZYX
),
82 _T_(L8_SINT
, 8_SINT
, WZYX
),
83 _T_(I8_UINT
, 8_UINT
, WZYX
),
84 _T_(I8_SINT
, 8_SINT
, WZYX
),
86 _TC(S8_UINT
, 8_UINT
, WZYX
),
89 VTC(R16_UNORM
, 16_UNORM
, WZYX
),
90 VTC(R16_SNORM
, 16_SNORM
, WZYX
),
91 VTC(R16_UINT
, 16_UINT
, WZYX
),
92 VTC(R16_SINT
, 16_SINT
, WZYX
),
93 V__(R16_USCALED
, 16_UINT
, WZYX
),
94 V__(R16_SSCALED
, 16_SINT
, WZYX
),
95 VTC(R16_FLOAT
, 16_FLOAT
, WZYX
),
96 _TC(Z16_UNORM
, 16_UNORM
, WZYX
),
98 _T_(A16_UNORM
, 16_UNORM
, WZYX
),
99 _T_(A16_SNORM
, 16_SNORM
, WZYX
),
100 _T_(A16_UINT
, 16_UINT
, WZYX
),
101 _T_(A16_SINT
, 16_SINT
, WZYX
),
102 _T_(L16_UNORM
, 16_UNORM
, WZYX
),
103 _T_(L16_SNORM
, 16_SNORM
, WZYX
),
104 _T_(L16_UINT
, 16_UINT
, WZYX
),
105 _T_(L16_SINT
, 16_SINT
, WZYX
),
106 _T_(I16_UNORM
, 16_UNORM
, WZYX
),
107 _T_(I16_SNORM
, 16_SNORM
, WZYX
),
108 _T_(I16_UINT
, 16_UINT
, WZYX
),
109 _T_(I16_SINT
, 16_SINT
, WZYX
),
111 VTC(R8G8_UNORM
, 8_8_UNORM
, WZYX
),
112 VTC(R8G8_SNORM
, 8_8_SNORM
, WZYX
),
113 VTC(R8G8_UINT
, 8_8_UINT
, WZYX
),
114 VTC(R8G8_SINT
, 8_8_SINT
, WZYX
),
115 V__(R8G8_USCALED
, 8_8_UINT
, WZYX
),
116 V__(R8G8_SSCALED
, 8_8_SINT
, WZYX
),
118 _T_(L8A8_UINT
, 8_8_UINT
, WZYX
),
119 _T_(L8A8_SINT
, 8_8_SINT
, WZYX
),
121 _TC(B5G6R5_UNORM
, 5_6_5_UNORM
, WXYZ
),
122 _TC(B5G5R5A1_UNORM
, 5_5_5_1_UNORM
, WXYZ
),
123 _TC(B5G5R5X1_UNORM
, 5_5_5_1_UNORM
, WXYZ
),
124 _TC(B4G4R4A4_UNORM
, 4_4_4_4_UNORM
, WXYZ
),
127 V__(R8G8B8_UNORM
, 8_8_8_UNORM
, WZYX
),
128 V__(R8G8B8_SNORM
, 8_8_8_SNORM
, WZYX
),
129 V__(R8G8B8_UINT
, 8_8_8_UINT
, WZYX
),
130 V__(R8G8B8_SINT
, 8_8_8_SINT
, WZYX
),
131 V__(R8G8B8_USCALED
, 8_8_8_UINT
, WZYX
),
132 V__(R8G8B8_SSCALED
, 8_8_8_SINT
, WZYX
),
135 VTC(R32_UINT
, 32_UINT
, WZYX
),
136 VTC(R32_SINT
, 32_SINT
, WZYX
),
137 V__(R32_USCALED
, 32_UINT
, WZYX
),
138 V__(R32_SSCALED
, 32_SINT
, WZYX
),
139 VTC(R32_FLOAT
, 32_FLOAT
, WZYX
),
140 V__(R32_FIXED
, 32_FIXED
, WZYX
),
142 _T_(A32_UINT
, 32_UINT
, WZYX
),
143 _T_(A32_SINT
, 32_SINT
, WZYX
),
144 _T_(L32_UINT
, 32_UINT
, WZYX
),
145 _T_(L32_SINT
, 32_SINT
, WZYX
),
146 _T_(I32_UINT
, 32_UINT
, WZYX
),
147 _T_(I32_SINT
, 32_SINT
, WZYX
),
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 VT_(R16G16_USCALED
, 16_16_UINT
, WZYX
),
154 VT_(R16G16_SSCALED
, 16_16_SINT
, WZYX
),
155 VTC(R16G16_FLOAT
, 16_16_FLOAT
, WZYX
),
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
),
162 VTC(R8G8B8A8_UNORM
, 8_8_8_8_UNORM
, WZYX
),
163 _TC(R8G8B8X8_UNORM
, 8_8_8_8_UNORM
, WZYX
),
164 _TC(R8G8B8A8_SRGB
, 8_8_8_8_UNORM
, WZYX
),
165 _TC(R8G8B8X8_SRGB
, 8_8_8_8_UNORM
, WZYX
),
166 VTC(R8G8B8A8_SNORM
, 8_8_8_8_SNORM
, WZYX
),
167 VTC(R8G8B8A8_UINT
, 8_8_8_8_UINT
, WZYX
),
168 VTC(R8G8B8A8_SINT
, 8_8_8_8_SINT
, WZYX
),
169 V__(R8G8B8A8_USCALED
, 8_8_8_8_UINT
, WZYX
),
170 V__(R8G8B8A8_SSCALED
, 8_8_8_8_SINT
, WZYX
),
172 VTC(B8G8R8A8_UNORM
, 8_8_8_8_UNORM
, WXYZ
),
173 _TC(B8G8R8X8_UNORM
, 8_8_8_8_UNORM
, WXYZ
),
174 VTC(B8G8R8A8_SRGB
, 8_8_8_8_UNORM
, WXYZ
),
175 _TC(B8G8R8X8_SRGB
, 8_8_8_8_UNORM
, WXYZ
),
177 VTC(A8B8G8R8_UNORM
, 8_8_8_8_UNORM
, XYZW
),
178 _TC(X8B8G8R8_UNORM
, 8_8_8_8_UNORM
, XYZW
),
179 _TC(A8B8G8R8_SRGB
, 8_8_8_8_UNORM
, XYZW
),
180 _TC(X8B8G8R8_SRGB
, 8_8_8_8_UNORM
, XYZW
),
182 VTC(A8R8G8B8_UNORM
, 8_8_8_8_UNORM
, ZYXW
),
183 _TC(X8R8G8B8_UNORM
, 8_8_8_8_UNORM
, ZYXW
),
184 _TC(A8R8G8B8_SRGB
, 8_8_8_8_UNORM
, ZYXW
),
185 _TC(X8R8G8B8_SRGB
, 8_8_8_8_UNORM
, ZYXW
),
187 FMT(R10G10B10A2_UNORM
, 10_10_10_2_UNORM
, 10_10_10_2_UNORM
, 10_10_10_2_UNORM_DEST
, WZYX
),
188 FMT(B10G10R10A2_UNORM
, 10_10_10_2_UNORM
, 10_10_10_2_UNORM
, 10_10_10_2_UNORM_DEST
, WXYZ
),
189 FMT(B10G10R10X2_UNORM
, NONE
, 10_10_10_2_UNORM
, 10_10_10_2_UNORM_DEST
, WXYZ
),
190 V__(R10G10B10A2_SNORM
, 10_10_10_2_SNORM
, WZYX
),
191 V__(B10G10R10A2_SNORM
, 10_10_10_2_SNORM
, WXYZ
),
192 VTC(R10G10B10A2_UINT
, 10_10_10_2_UINT
, WZYX
),
193 VTC(B10G10R10A2_UINT
, 10_10_10_2_UINT
, WXYZ
),
194 V__(R10G10B10A2_USCALED
, 10_10_10_2_UINT
, WZYX
),
195 V__(B10G10R10A2_USCALED
, 10_10_10_2_UINT
, WXYZ
),
196 V__(R10G10B10A2_SSCALED
, 10_10_10_2_SINT
, WZYX
),
197 V__(B10G10R10A2_SSCALED
, 10_10_10_2_SINT
, WXYZ
),
199 VTC(R11G11B10_FLOAT
, 11_11_10_FLOAT
, WZYX
),
200 _T_(R9G9B9E5_FLOAT
, 9_9_9_E5_FLOAT
, WZYX
),
202 _TC(Z24X8_UNORM
, Z24_UNORM_S8_UINT
, WZYX
),
203 _TC(X24S8_UINT
, 8_8_8_8_UINT
, WZYX
),
204 _TC(Z24_UNORM_S8_UINT
, Z24_UNORM_S8_UINT
, WZYX
),
205 _TC(Z32_FLOAT
, 32_FLOAT
, WZYX
),
206 _TC(Z32_FLOAT_S8X24_UINT
, 32_FLOAT
, WZYX
),
207 _TC(X32_S8X24_UINT
, 8_UINT
, WZYX
),
209 /* special format for blits: */
210 _TC(Z24_UNORM_S8_UINT_AS_R8G8B8A8
, Z24_UNORM_S8_UINT_AS_R8G8B8A8
, WZYX
),
213 V__(R16G16B16_UNORM
, 16_16_16_UNORM
, WZYX
),
214 V__(R16G16B16_SNORM
, 16_16_16_SNORM
, WZYX
),
215 V__(R16G16B16_UINT
, 16_16_16_UINT
, WZYX
),
216 V__(R16G16B16_SINT
, 16_16_16_SINT
, WZYX
),
217 V__(R16G16B16_USCALED
, 16_16_16_UINT
, WZYX
),
218 V__(R16G16B16_SSCALED
, 16_16_16_SINT
, WZYX
),
219 V__(R16G16B16_FLOAT
, 16_16_16_FLOAT
, WZYX
),
222 VTC(R16G16B16A16_UNORM
, 16_16_16_16_UNORM
, WZYX
),
223 VTC(R16G16B16X16_UNORM
, 16_16_16_16_UNORM
, WZYX
),
224 VTC(R16G16B16A16_SNORM
, 16_16_16_16_SNORM
, WZYX
),
225 VTC(R16G16B16X16_SNORM
, 16_16_16_16_SNORM
, WZYX
),
226 VTC(R16G16B16A16_UINT
, 16_16_16_16_UINT
, WZYX
),
227 VTC(R16G16B16X16_UINT
, 16_16_16_16_UINT
, WZYX
),
228 VTC(R16G16B16A16_SINT
, 16_16_16_16_SINT
, WZYX
),
229 VTC(R16G16B16X16_SINT
, 16_16_16_16_SINT
, WZYX
),
230 VT_(R16G16B16A16_USCALED
, 16_16_16_16_UINT
, WZYX
),
231 VT_(R16G16B16A16_SSCALED
, 16_16_16_16_SINT
, WZYX
),
232 VTC(R16G16B16A16_FLOAT
, 16_16_16_16_FLOAT
, WZYX
),
233 VTC(R16G16B16X16_FLOAT
, 16_16_16_16_FLOAT
, WZYX
),
235 VTC(R32G32_UINT
, 32_32_UINT
, WZYX
),
236 VTC(R32G32_SINT
, 32_32_SINT
, WZYX
),
237 V__(R32G32_USCALED
, 32_32_UINT
, WZYX
),
238 V__(R32G32_SSCALED
, 32_32_SINT
, WZYX
),
239 VTC(R32G32_FLOAT
, 32_32_FLOAT
, WZYX
),
240 V__(R32G32_FIXED
, 32_32_FIXED
, WZYX
),
242 _T_(L32A32_UINT
, 32_32_UINT
, WZYX
),
243 _T_(L32A32_SINT
, 32_32_SINT
, WZYX
),
246 VT_(R32G32B32_UINT
, 32_32_32_UINT
, WZYX
),
247 VT_(R32G32B32_SINT
, 32_32_32_SINT
, WZYX
),
248 V__(R32G32B32_USCALED
, 32_32_32_UINT
, WZYX
),
249 V__(R32G32B32_SSCALED
, 32_32_32_SINT
, WZYX
),
250 VT_(R32G32B32_FLOAT
, 32_32_32_FLOAT
, WZYX
),
251 V__(R32G32B32_FIXED
, 32_32_32_FIXED
, WZYX
),
254 VTC(R32G32B32A32_UINT
, 32_32_32_32_UINT
, WZYX
),
255 _TC(R32G32B32X32_UINT
, 32_32_32_32_UINT
, WZYX
),
256 VTC(R32G32B32A32_SINT
, 32_32_32_32_SINT
, WZYX
),
257 _TC(R32G32B32X32_SINT
, 32_32_32_32_SINT
, WZYX
),
258 V__(R32G32B32A32_USCALED
, 32_32_32_32_UINT
, WZYX
),
259 V__(R32G32B32A32_SSCALED
, 32_32_32_32_SINT
, WZYX
),
260 VTC(R32G32B32A32_FLOAT
, 32_32_32_32_FLOAT
, WZYX
),
261 _TC(R32G32B32X32_FLOAT
, 32_32_32_32_FLOAT
, WZYX
),
262 V__(R32G32B32A32_FIXED
, 32_32_32_32_FIXED
, WZYX
),
265 _T_(ETC1_RGB8
, ETC1
, WZYX
),
266 _T_(ETC2_RGB8
, ETC2_RGB8
, WZYX
),
267 _T_(ETC2_SRGB8
, ETC2_RGB8
, WZYX
),
268 _T_(ETC2_RGB8A1
, ETC2_RGB8A1
, WZYX
),
269 _T_(ETC2_SRGB8A1
, ETC2_RGB8A1
, WZYX
),
270 _T_(ETC2_RGBA8
, ETC2_RGBA8
, WZYX
),
271 _T_(ETC2_SRGBA8
, ETC2_RGBA8
, WZYX
),
272 _T_(ETC2_R11_UNORM
, ETC2_R11_UNORM
, WZYX
),
273 _T_(ETC2_R11_SNORM
, ETC2_R11_SNORM
, WZYX
),
274 _T_(ETC2_RG11_UNORM
, ETC2_RG11_UNORM
, WZYX
),
275 _T_(ETC2_RG11_SNORM
, ETC2_RG11_SNORM
, WZYX
),
277 _T_(DXT1_RGB
, DXT1
, WZYX
),
278 _T_(DXT1_SRGB
, DXT1
, WZYX
),
279 _T_(DXT1_RGBA
, DXT1
, WZYX
),
280 _T_(DXT1_SRGBA
, DXT1
, WZYX
),
281 _T_(DXT3_RGBA
, DXT3
, WZYX
),
282 _T_(DXT3_SRGBA
, DXT3
, WZYX
),
283 _T_(DXT5_RGBA
, DXT5
, WZYX
),
284 _T_(DXT5_SRGBA
, DXT5
, WZYX
),
286 _T_(BPTC_RGBA_UNORM
, BPTC
, WZYX
),
287 _T_(BPTC_SRGBA
, BPTC
, WZYX
),
288 _T_(BPTC_RGB_FLOAT
, BPTC_FLOAT
, WZYX
),
289 _T_(BPTC_RGB_UFLOAT
, BPTC_UFLOAT
, WZYX
),
291 _T_(RGTC1_UNORM
, RGTC1_UNORM
, WZYX
),
292 _T_(RGTC1_SNORM
, RGTC1_SNORM
, WZYX
),
293 _T_(RGTC2_UNORM
, RGTC2_UNORM
, WZYX
),
294 _T_(RGTC2_SNORM
, RGTC2_SNORM
, WZYX
),
295 _T_(LATC1_UNORM
, RGTC1_UNORM
, WZYX
),
296 _T_(LATC1_SNORM
, RGTC1_SNORM
, WZYX
),
297 _T_(LATC2_UNORM
, RGTC2_UNORM
, WZYX
),
298 _T_(LATC2_SNORM
, RGTC2_SNORM
, WZYX
),
300 _T_(ASTC_4x4
, ASTC_4x4
, WZYX
),
301 _T_(ASTC_5x4
, ASTC_5x4
, WZYX
),
302 _T_(ASTC_5x5
, ASTC_5x5
, WZYX
),
303 _T_(ASTC_6x5
, ASTC_6x5
, WZYX
),
304 _T_(ASTC_6x6
, ASTC_6x6
, WZYX
),
305 _T_(ASTC_8x5
, ASTC_8x5
, WZYX
),
306 _T_(ASTC_8x6
, ASTC_8x6
, WZYX
),
307 _T_(ASTC_8x8
, ASTC_8x8
, WZYX
),
308 _T_(ASTC_10x5
, ASTC_10x5
, WZYX
),
309 _T_(ASTC_10x6
, ASTC_10x6
, WZYX
),
310 _T_(ASTC_10x8
, ASTC_10x8
, WZYX
),
311 _T_(ASTC_10x10
, ASTC_10x10
, WZYX
),
312 _T_(ASTC_12x10
, ASTC_12x10
, WZYX
),
313 _T_(ASTC_12x12
, ASTC_12x12
, WZYX
),
315 _T_(ASTC_4x4_SRGB
, ASTC_4x4
, WZYX
),
316 _T_(ASTC_5x4_SRGB
, ASTC_5x4
, WZYX
),
317 _T_(ASTC_5x5_SRGB
, ASTC_5x5
, WZYX
),
318 _T_(ASTC_6x5_SRGB
, ASTC_6x5
, WZYX
),
319 _T_(ASTC_6x6_SRGB
, ASTC_6x6
, WZYX
),
320 _T_(ASTC_8x5_SRGB
, ASTC_8x5
, WZYX
),
321 _T_(ASTC_8x6_SRGB
, ASTC_8x6
, WZYX
),
322 _T_(ASTC_8x8_SRGB
, ASTC_8x8
, WZYX
),
323 _T_(ASTC_10x5_SRGB
, ASTC_10x5
, WZYX
),
324 _T_(ASTC_10x6_SRGB
, ASTC_10x6
, WZYX
),
325 _T_(ASTC_10x8_SRGB
, ASTC_10x8
, WZYX
),
326 _T_(ASTC_10x10_SRGB
, ASTC_10x10
, WZYX
),
327 _T_(ASTC_12x10_SRGB
, ASTC_12x10
, WZYX
),
328 _T_(ASTC_12x12_SRGB
, ASTC_12x12
, WZYX
),
331 /* convert pipe format to vertex buffer format: */
333 fd6_pipe2vtx(enum pipe_format format
)
335 if (!formats
[format
].present
)
337 return formats
[format
].vtx
;
340 /* convert pipe format to texture sampler format: */
342 fd6_pipe2tex(enum pipe_format format
)
344 if (!formats
[format
].present
)
346 return formats
[format
].tex
;
349 /* convert pipe format to MRT / copydest format used for render-target: */
351 fd6_pipe2color(enum pipe_format format
)
353 if (!formats
[format
].present
)
355 return formats
[format
].rb
;
359 fd6_pipe2swap(enum pipe_format format
)
361 if (!formats
[format
].present
)
363 return formats
[format
].swap
;
366 // XXX possibly same as a4xx..
367 enum a6xx_tex_fetchsize
368 fd6_pipe2fetchsize(enum pipe_format format
)
370 if (format
== PIPE_FORMAT_Z32_FLOAT_S8X24_UINT
)
371 format
= PIPE_FORMAT_Z32_FLOAT
;
373 if (util_format_description(format
)->layout
== UTIL_FORMAT_LAYOUT_ASTC
)
374 return TFETCH6_16_BYTE
;
376 switch (util_format_get_blocksizebits(format
) / util_format_get_blockwidth(format
)) {
377 case 8: return TFETCH6_1_BYTE
;
378 case 16: return TFETCH6_2_BYTE
;
379 case 32: return TFETCH6_4_BYTE
;
380 case 64: return TFETCH6_8_BYTE
;
381 case 96: return TFETCH6_1_BYTE
; /* Does this matter? */
382 case 128: return TFETCH6_16_BYTE
;
384 debug_printf("Unknown block size for format %s: %d\n",
385 util_format_name(format
),
386 util_format_get_blocksizebits(format
));
387 return TFETCH6_1_BYTE
;
391 enum a6xx_depth_format
392 fd6_pipe2depth(enum pipe_format format
)
395 case PIPE_FORMAT_Z16_UNORM
:
397 case PIPE_FORMAT_Z24X8_UNORM
:
398 case PIPE_FORMAT_Z24_UNORM_S8_UINT
:
399 case PIPE_FORMAT_X8Z24_UNORM
:
400 case PIPE_FORMAT_S8_UINT_Z24_UNORM
:
402 case PIPE_FORMAT_Z32_FLOAT
:
403 case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT
:
411 fd6_pipe2swiz(unsigned swiz
)
415 case PIPE_SWIZZLE_X
: return A6XX_TEX_X
;
416 case PIPE_SWIZZLE_Y
: return A6XX_TEX_Y
;
417 case PIPE_SWIZZLE_Z
: return A6XX_TEX_Z
;
418 case PIPE_SWIZZLE_W
: return A6XX_TEX_W
;
419 case PIPE_SWIZZLE_0
: return A6XX_TEX_ZERO
;
420 case PIPE_SWIZZLE_1
: return A6XX_TEX_ONE
;
425 fd6_tex_swiz(enum pipe_format format
, unsigned char *swiz
,
426 unsigned swizzle_r
, unsigned swizzle_g
,
427 unsigned swizzle_b
, unsigned swizzle_a
)
429 const struct util_format_description
*desc
=
430 util_format_description(format
);
431 const unsigned char uswiz
[4] = {
432 swizzle_r
, swizzle_g
, swizzle_b
, swizzle_a
435 /* Gallium expects stencil sampler to return (s,s,s,s), so massage
436 * the swizzle to do so.
438 if (format
== PIPE_FORMAT_X24S8_UINT
) {
439 const unsigned char stencil_swiz
[4] = {
440 PIPE_SWIZZLE_W
, PIPE_SWIZZLE_W
, PIPE_SWIZZLE_W
, PIPE_SWIZZLE_W
442 util_format_compose_swizzles(stencil_swiz
, uswiz
, swiz
);
443 } else if (fd6_pipe2swap(format
) != WZYX
) {
444 /* Formats with a non-pass-through swap are permutations of RGBA
445 * formats. We program the permutation using the swap and don't
446 * need to compose the format swizzle with the user swizzle.
448 memcpy(swiz
, uswiz
, sizeof(uswiz
));
450 /* Otherwise, it's an unswapped RGBA format or a format like L8 where
451 * we need the XXX1 swizzle from the gallium format description.
453 util_format_compose_swizzles(desc
->swizzle
, uswiz
, swiz
);
457 /* Compute the TEX_CONST_0 value for texture state, including SWIZ/SWAP/etc: */
459 fd6_tex_const_0(struct pipe_resource
*prsc
,
460 unsigned level
, enum pipe_format format
,
461 unsigned swizzle_r
, unsigned swizzle_g
,
462 unsigned swizzle_b
, unsigned swizzle_a
)
464 struct fd_resource
*rsc
= fd_resource(prsc
);
465 unsigned char swiz
[4];
467 fd6_tex_swiz(format
, swiz
,
468 swizzle_r
, swizzle_g
,
469 swizzle_b
, swizzle_a
);
472 A6XX_TEX_CONST_0_FMT(fd6_pipe2tex(format
)) |
473 A6XX_TEX_CONST_0_SAMPLES(fd_msaa_samples(prsc
->nr_samples
)) |
474 A6XX_TEX_CONST_0_SWAP(fd6_resource_swap(rsc
, format
)) |
475 A6XX_TEX_CONST_0_TILE_MODE(fd_resource_tile_mode(prsc
, level
)) |
476 COND(util_format_is_srgb(format
), A6XX_TEX_CONST_0_SRGB
) |
477 A6XX_TEX_CONST_0_SWIZ_X(fd6_pipe2swiz(swiz
[0])) |
478 A6XX_TEX_CONST_0_SWIZ_Y(fd6_pipe2swiz(swiz
[1])) |
479 A6XX_TEX_CONST_0_SWIZ_Z(fd6_pipe2swiz(swiz
[2])) |
480 A6XX_TEX_CONST_0_SWIZ_W(fd6_pipe2swiz(swiz
[3]));