summaryrefslogtreecommitdiffstats
path: root/src/gallium/drivers/etnaviv/etnaviv_format.c
blob: 29e81c4a8b047e4e1830c2a88a63b6a6253c0a3f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
/*
 * Copyright (c) 2016 Etnaviv Project
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sub license,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice (including the
 * next paragraph) shall be included in all copies or substantial portions
 * of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 *
 * Authors:
 *    Christian Gmeiner <christian.gmeiner@gmail.com>
 */

#include "etnaviv_format.h"

#include "hw/common_3d.xml.h"
#include "hw/state.xml.h"
#include "hw/state_3d.xml.h"

#include "pipe/p_defines.h"

/* Specifies the table of all the formats and their features. Also supplies
 * the helpers that look up various data in those tables.
 */

struct etna_format {
   unsigned vtx;
   unsigned tex;
   unsigned rs;
   unsigned ts;
   boolean present;
   const unsigned char tex_swiz[4];
};

#define RS_FORMAT_NONE ~0

#define RS_FORMAT_MASK        0xf
#define RS_FORMAT(x)          ((x) & RS_FORMAT_MASK)
#define RS_FORMAT_RB_SWAP     0x10

#define RS_FORMAT_X8B8G8R8    (RS_FORMAT_X8R8G8B8 | RS_FORMAT_RB_SWAP)
#define RS_FORMAT_A8B8G8R8    (RS_FORMAT_A8R8G8B8 | RS_FORMAT_RB_SWAP)

#define TS_SAMPLER_FORMAT_NONE      ETNA_NO_MATCH

#define SWIZ(x,y,z,w) {    \
   PIPE_SWIZZLE_##x,       \
   PIPE_SWIZZLE_##y,       \
   PIPE_SWIZZLE_##z,       \
   PIPE_SWIZZLE_##w        \
}

/* vertex + texture */
#define VT(pipe, vtxfmt, texfmt, texswiz, rsfmt, tsfmt)          \
   [PIPE_FORMAT_##pipe] = {                               \
      .vtx = FE_DATA_TYPE_##vtxfmt, \
      .tex = TEXTURE_FORMAT_##texfmt,                     \
      .rs = RS_FORMAT_##rsfmt,                            \
      .ts = TS_SAMPLER_FORMAT_##tsfmt,        \
      .present = 1,                                       \
      .tex_swiz = texswiz,                                \
   }

/* texture-only */
#define _T(pipe, fmt, swiz, rsfmt, tsfmt) \
   [PIPE_FORMAT_##pipe] = {        \
      .vtx = ETNA_NO_MATCH,        \
      .tex = TEXTURE_FORMAT_##fmt, \
      .rs = RS_FORMAT_##rsfmt,     \
      .ts = TS_SAMPLER_FORMAT_##tsfmt,     \
      .present = 1,                \
      .tex_swiz = swiz,            \
   }

/* vertex-only */
#define V_(pipe, fmt, rsfmt)                           \
   [PIPE_FORMAT_##pipe] = {                            \
      .vtx = FE_DATA_TYPE_##fmt, \
      .tex = ETNA_NO_MATCH,                            \
      .rs = RS_FORMAT_##rsfmt,                         \
      .present = 1,                                    \
   }

static struct etna_format formats[PIPE_FORMAT_COUNT] = {
   /* 8-bit */
   VT(R8_UNORM,   UNSIGNED_BYTE, L8, SWIZ(X, 0, 0, 1), NONE, NONE),
   V_(R8_SNORM,   BYTE,          NONE),
   V_(R8_UINT,    UNSIGNED_BYTE, NONE),
   V_(R8_SINT,    BYTE,          NONE),
   V_(R8_USCALED, UNSIGNED_BYTE, NONE),
   V_(R8_SSCALED, BYTE,          NONE),

   _T(A8_UNORM, A8, SWIZ(X, Y, Z, W), NONE, NONE),
   _T(L8_UNORM, L8, SWIZ(X, Y, Z, W), NONE, NONE),
   _T(I8_UNORM, I8, SWIZ(X, Y, Z, W), NONE, NONE),

   /* 16-bit */
   V_(R16_UNORM,   UNSIGNED_SHORT, NONE),
   V_(R16_SNORM,   SHORT,          NONE),
   V_(R16_UINT,    UNSIGNED_SHORT, NONE),
   V_(R16_SINT,    SHORT,          NONE),
   V_(R16_USCALED, UNSIGNED_SHORT, NONE),
   V_(R16_SSCALED, SHORT,          NONE),
   V_(R16_FLOAT,   HALF_FLOAT,     NONE),

   _T(B4G4R4A4_UNORM, A4R4G4B4, SWIZ(X, Y, Z, W), A4R4G4B4, A4R4G4B4),
   _T(B4G4R4X4_UNORM, X4R4G4B4, SWIZ(X, Y, Z, W), X4R4G4B4, A4R4G4B4),

   _T(L8A8_UNORM, A8L8, SWIZ(X, Y, Z, W), NONE, NONE),

   _T(Z16_UNORM,      D16,      SWIZ(X, Y, Z, W), A4R4G4B4, D16),
   _T(B5G6R5_UNORM,   R5G6B5,   SWIZ(X, Y, Z, W), R5G6B5, R5G6B5),
   _T(B5G5R5A1_UNORM, A1R5G5B5, SWIZ(X, Y, Z, W), A1R5G5B5, A1R5G5B5),
   _T(B5G5R5X1_UNORM, X1R5G5B5, SWIZ(X, Y, Z, W), X1R5G5B5, A1R5G5B5),

   VT(R8G8_UNORM,   UNSIGNED_BYTE,  EXT_G8R8 | EXT_FORMAT, SWIZ(X, Y, 0, 1), NONE, NONE),
   V_(R8G8_SNORM,   BYTE,           NONE),
   V_(R8G8_UINT,    UNSIGNED_BYTE,  NONE),
   V_(R8G8_SINT,    BYTE,           NONE),
   V_(R8G8_USCALED, UNSIGNED_BYTE,  NONE),
   V_(R8G8_SSCALED, BYTE,           NONE),

   /* 24-bit */
   V_(R8G8B8_UNORM,   UNSIGNED_BYTE, NONE),
   V_(R8G8B8_SNORM,   BYTE,          NONE),
   V_(R8G8B8_UINT,    UNSIGNED_BYTE, NONE),
   V_(R8G8B8_SINT,    BYTE,          NONE),
   V_(R8G8B8_USCALED, UNSIGNED_BYTE, NONE),
   V_(R8G8B8_SSCALED, BYTE,          NONE),

   /* 32-bit */
   V_(R32_UNORM,   UNSIGNED_INT, NONE),
   V_(R32_SNORM,   INT,          NONE),
   V_(R32_SINT,    INT,          NONE),
   V_(R32_UINT,    UNSIGNED_INT, NONE),
   V_(R32_USCALED, UNSIGNED_INT, NONE),
   V_(R32_SSCALED, INT,          NONE),
   V_(R32_FLOAT,   FLOAT,        NONE),
   V_(R32_FIXED,   FIXED,        NONE),

   V_(R16G16_UNORM,   UNSIGNED_SHORT, NONE),
   V_(R16G16_SNORM,   SHORT,          NONE),
   V_(R16G16_UINT,    UNSIGNED_SHORT, NONE),
   V_(R16G16_SINT,    SHORT,          NONE),
   V_(R16G16_USCALED, UNSIGNED_SHORT, NONE),
   V_(R16G16_SSCALED, SHORT,          NONE),
   V_(R16G16_FLOAT,   HALF_FLOAT,     NONE),

   V_(A8B8G8R8_UNORM,   UNSIGNED_BYTE, NONE),

   VT(R8G8B8A8_UNORM,   UNSIGNED_BYTE, A8B8G8R8, SWIZ(X, Y, Z, W), A8B8G8R8, A8R8G8B8),
   V_(R8G8B8A8_SNORM,   BYTE,          A8B8G8R8),
   _T(R8G8B8X8_UNORM,   X8B8G8R8,      SWIZ(X, Y, Z, W), X8B8G8R8, X8R8G8B8),
   V_(R8G8B8A8_UINT,    UNSIGNED_BYTE, A8B8G8R8),
   V_(R8G8B8A8_SINT,    BYTE,          A8B8G8R8),
   V_(R8G8B8A8_USCALED, UNSIGNED_BYTE, A8B8G8R8),
   V_(R8G8B8A8_SSCALED, BYTE,          A8B8G8R8),

   _T(B8G8R8A8_UNORM, A8R8G8B8, SWIZ(X, Y, Z, W), A8R8G8B8, A8R8G8B8),
   _T(B8G8R8X8_UNORM, X8R8G8B8, SWIZ(X, Y, Z, W), X8R8G8B8, X8R8G8B8),
   _T(B8G8R8A8_SRGB,  A8R8G8B8, SWIZ(X, Y, Z, W), A8R8G8B8, A8R8G8B8),
   _T(B8G8R8X8_SRGB,  X8R8G8B8, SWIZ(X, Y, Z, W), X8R8G8B8, X8R8G8B8),

   V_(R10G10B10A2_UNORM,   UNSIGNED_INT_10_10_10_2, NONE),
   V_(R10G10B10A2_SNORM,   INT_10_10_10_2,          NONE),
   V_(R10G10B10A2_USCALED, UNSIGNED_INT_10_10_10_2, NONE),
   V_(R10G10B10A2_SSCALED, INT_10_10_10_2,          NONE),

   _T(X8Z24_UNORM,       D24X8, SWIZ(X, Y, Z, W), A8R8G8B8, D24X8),
   _T(S8_UINT_Z24_UNORM, D24X8, SWIZ(X, Y, Z, W), A8R8G8B8, D24X8),

   /* 48-bit */
   V_(R16G16B16_UNORM,   UNSIGNED_SHORT, NONE),
   V_(R16G16B16_SNORM,   SHORT,          NONE),
   V_(R16G16B16_UINT,    UNSIGNED_SHORT, NONE),
   V_(R16G16B16_SINT,    SHORT,          NONE),
   V_(R16G16B16_USCALED, UNSIGNED_SHORT, NONE),
   V_(R16G16B16_SSCALED, SHORT,          NONE),
   V_(R16G16B16_FLOAT,   HALF_FLOAT,     NONE),

   /* 64-bit */
   V_(R16G16B16A16_UNORM,   UNSIGNED_SHORT, NONE),
   V_(R16G16B16A16_SNORM,   SHORT,          NONE),
   V_(R16G16B16A16_UINT,    UNSIGNED_SHORT, NONE),
   V_(R16G16B16A16_SINT,    SHORT,          NONE),
   V_(R16G16B16A16_USCALED, UNSIGNED_SHORT, NONE),
   V_(R16G16B16A16_SSCALED, SHORT,          NONE),
   V_(R16G16B16A16_FLOAT,   HALF_FLOAT,     NONE),

   V_(R32G32_UNORM,   UNSIGNED_INT, NONE),
   V_(R32G32_SNORM,   INT,          NONE),
   V_(R32G32_UINT,    UNSIGNED_INT, NONE),
   V_(R32G32_SINT,    INT,          NONE),
   V_(R32G32_USCALED, UNSIGNED_INT, NONE),
   V_(R32G32_SSCALED, INT,          NONE),
   V_(R32G32_FLOAT,   FLOAT,        NONE),
   V_(R32G32_FIXED,   FIXED,        NONE),

   /* 96-bit */
   V_(R32G32B32_UNORM,   UNSIGNED_INT, NONE),
   V_(R32G32B32_SNORM,   INT,          NONE),
   V_(R32G32B32_UINT,    UNSIGNED_INT, NONE),
   V_(R32G32B32_SINT,    INT,          NONE),
   V_(R32G32B32_USCALED, UNSIGNED_INT, NONE),
   V_(R32G32B32_SSCALED, INT,          NONE),
   V_(R32G32B32_FLOAT,   FLOAT,        NONE),
   V_(R32G32B32_FIXED,   FIXED,        NONE),

   /* 128-bit */
   V_(R32G32B32A32_UNORM,   UNSIGNED_INT, NONE),
   V_(R32G32B32A32_SNORM,   INT,          NONE),
   V_(R32G32B32A32_UINT,    UNSIGNED_INT, NONE),
   V_(R32G32B32A32_SINT,    INT,          NONE),
   V_(R32G32B32A32_USCALED, UNSIGNED_INT, NONE),
   V_(R32G32B32A32_SSCALED, INT,          NONE),
   V_(R32G32B32A32_FLOAT,   FLOAT,        NONE),
   V_(R32G32B32A32_FIXED,   FIXED,        NONE),

   /* compressed */
   _T(ETC1_RGB8, ETC1, SWIZ(X, Y, Z, W), NONE, NONE),

   _T(DXT1_RGB,  DXT1,      SWIZ(X, Y, Z, W), NONE, NONE),
   _T(DXT1_SRGBA,DXT1,      SWIZ(X, Y, Z, W), NONE, NONE),
   _T(DXT1_RGBA, DXT1,      SWIZ(X, Y, Z, W), NONE, NONE),
   _T(DXT3_SRGBA,DXT2_DXT3, SWIZ(X, Y, Z, W), NONE, NONE),
   _T(DXT3_RGBA, DXT2_DXT3, SWIZ(X, Y, Z, W), NONE, NONE),
   _T(DXT5_SRGBA,DXT4_DXT5, SWIZ(X, Y, Z, W), NONE, NONE),
   _T(DXT5_RGBA, DXT4_DXT5, SWIZ(X, Y, Z, W), NONE, NONE),

   _T(ETC2_RGB8,       EXT_NONE | EXT_FORMAT,                          SWIZ(X, Y, Z, W), NONE, NONE), /* Extd. format NONE doubles as ETC2_RGB8 */
   _T(ETC2_SRGB8,      EXT_NONE | EXT_FORMAT,                          SWIZ(X, Y, Z, W), NONE, NONE),
   _T(ETC2_RGB8A1,     EXT_RGB8_PUNCHTHROUGH_ALPHA1_ETC2 | EXT_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE),
   _T(ETC2_SRGB8A1,    EXT_RGB8_PUNCHTHROUGH_ALPHA1_ETC2 | EXT_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE),
   _T(ETC2_RGBA8,      EXT_RGBA8_ETC2_EAC | EXT_FORMAT,                SWIZ(X, Y, Z, W), NONE, NONE),
   _T(ETC2_SRGBA8,     EXT_RGBA8_ETC2_EAC | EXT_FORMAT,                SWIZ(X, Y, Z, W), NONE, NONE),
   _T(ETC2_R11_UNORM,  EXT_R11_EAC | EXT_FORMAT,                       SWIZ(X, Y, Z, W), NONE, NONE),
   _T(ETC2_R11_SNORM,  EXT_SIGNED_R11_EAC | EXT_FORMAT,                SWIZ(X, Y, Z, W), NONE, NONE),
   _T(ETC2_RG11_UNORM, EXT_RG11_EAC | EXT_FORMAT,                      SWIZ(X, Y, Z, W), NONE, NONE),
   _T(ETC2_RG11_SNORM, EXT_SIGNED_RG11_EAC | EXT_FORMAT,               SWIZ(X, Y, Z, W), NONE, NONE),

   _T(ASTC_4x4,        ASTC_RGBA_4x4 | ASTC_FORMAT,                    SWIZ(X, Y, Z, W), NONE, NONE),
   _T(ASTC_5x4,        ASTC_RGBA_5x4 | ASTC_FORMAT,                    SWIZ(X, Y, Z, W), NONE, NONE),
   _T(ASTC_5x5,        ASTC_RGBA_5x5 | ASTC_FORMAT,                    SWIZ(X, Y, Z, W), NONE, NONE),
   _T(ASTC_6x5,        ASTC_RGBA_6x5 | ASTC_FORMAT,                    SWIZ(X, Y, Z, W), NONE, NONE),
   _T(ASTC_6x6,        ASTC_RGBA_6x6 | ASTC_FORMAT,                    SWIZ(X, Y, Z, W), NONE, NONE),
   _T(ASTC_8x5,        ASTC_RGBA_8x5 | ASTC_FORMAT,                    SWIZ(X, Y, Z, W), NONE, NONE),
   _T(ASTC_8x6,        ASTC_RGBA_8x6 | ASTC_FORMAT,                    SWIZ(X, Y, Z, W), NONE, NONE),
   _T(ASTC_8x8,        ASTC_RGBA_8x8 | ASTC_FORMAT,                    SWIZ(X, Y, Z, W), NONE, NONE),
   _T(ASTC_10x5,       ASTC_RGBA_10x5 | ASTC_FORMAT,                   SWIZ(X, Y, Z, W), NONE, NONE),
   _T(ASTC_10x6,       ASTC_RGBA_10x6 | ASTC_FORMAT,                   SWIZ(X, Y, Z, W), NONE, NONE),
   _T(ASTC_10x8,       ASTC_RGBA_10x8 | ASTC_FORMAT,                   SWIZ(X, Y, Z, W), NONE, NONE),
   _T(ASTC_10x10,      ASTC_RGBA_10x10 | ASTC_FORMAT,                  SWIZ(X, Y, Z, W), NONE, NONE),
   _T(ASTC_12x10,      ASTC_RGBA_12x10 | ASTC_FORMAT,                  SWIZ(X, Y, Z, W), NONE, NONE),
   _T(ASTC_12x12,      ASTC_RGBA_12x12 | ASTC_FORMAT,                  SWIZ(X, Y, Z, W), NONE, NONE),

   _T(ASTC_4x4_SRGB,   ASTC_SRGB8_ALPHA8_4x4 | ASTC_FORMAT,            SWIZ(X, Y, Z, W), NONE, NONE),
   _T(ASTC_5x4_SRGB,   ASTC_SRGB8_ALPHA8_5x4 | ASTC_FORMAT,            SWIZ(X, Y, Z, W), NONE, NONE),
   _T(ASTC_5x5_SRGB,   ASTC_SRGB8_ALPHA8_5x5 | ASTC_FORMAT,            SWIZ(X, Y, Z, W), NONE, NONE),
   _T(ASTC_6x5_SRGB,   ASTC_SRGB8_ALPHA8_6x5 | ASTC_FORMAT,            SWIZ(X, Y, Z, W), NONE, NONE),
   _T(ASTC_6x6_SRGB,   ASTC_SRGB8_ALPHA8_6x6 | ASTC_FORMAT,            SWIZ(X, Y, Z, W), NONE, NONE),
   _T(ASTC_8x5_SRGB,   ASTC_SRGB8_ALPHA8_8x5 | ASTC_FORMAT,            SWIZ(X, Y, Z, W), NONE, NONE),
   _T(ASTC_8x6_SRGB,   ASTC_SRGB8_ALPHA8_8x6 | ASTC_FORMAT,            SWIZ(X, Y, Z, W), NONE, NONE),
   _T(ASTC_8x8_SRGB,   ASTC_SRGB8_ALPHA8_8x8 | ASTC_FORMAT,            SWIZ(X, Y, Z, W), NONE, NONE),
   _T(ASTC_10x5_SRGB,  ASTC_SRGB8_ALPHA8_10x5 | ASTC_FORMAT,           SWIZ(X, Y, Z, W), NONE, NONE),
   _T(ASTC_10x6_SRGB,  ASTC_SRGB8_ALPHA8_10x6 | ASTC_FORMAT,           SWIZ(X, Y, Z, W), NONE, NONE),
   _T(ASTC_10x8_SRGB,  ASTC_SRGB8_ALPHA8_10x8 | ASTC_FORMAT,           SWIZ(X, Y, Z, W), NONE, NONE),
   _T(ASTC_10x10_SRGB, ASTC_SRGB8_ALPHA8_10x10 | ASTC_FORMAT,          SWIZ(X, Y, Z, W), NONE, NONE),
   _T(ASTC_12x10_SRGB, ASTC_SRGB8_ALPHA8_12x10 | ASTC_FORMAT,          SWIZ(X, Y, Z, W), NONE, NONE),
   _T(ASTC_12x12_SRGB, ASTC_SRGB8_ALPHA8_12x12 | ASTC_FORMAT,          SWIZ(X, Y, Z, W), NONE, NONE),

   /* YUV */
   _T(YUYV, YUY2, SWIZ(X, Y, Z, W), YUY2, NONE),
   _T(UYVY, UYVY, SWIZ(X, Y, Z, W), NONE, NONE),
};

uint32_t
translate_texture_format(enum pipe_format fmt)
{
   if (!formats[fmt].present)
      return ETNA_NO_MATCH;

   return formats[fmt].tex;
}

bool
texture_format_needs_swiz(enum pipe_format fmt)
{
   static const unsigned char def[4] = SWIZ(X, Y, Z, W);
   bool swiz = false;

   if (formats[fmt].present)
      swiz = !!memcmp(def, formats[fmt].tex_swiz, sizeof(formats[fmt].tex_swiz));

   return swiz;
}

uint32_t
get_texture_swiz(enum pipe_format fmt, unsigned swizzle_r,
                 unsigned swizzle_g, unsigned swizzle_b, unsigned swizzle_a)
{
   unsigned char swiz[4] = {
      swizzle_r, swizzle_g, swizzle_b, swizzle_a,
   }, rswiz[4];

   assert(formats[fmt].present);
   util_format_compose_swizzles(formats[fmt].tex_swiz, swiz, rswiz);

   /* PIPE_SWIZZLE_ maps 1:1 to TEXTURE_SWIZZLE_ */
   STATIC_ASSERT(PIPE_SWIZZLE_X == TEXTURE_SWIZZLE_RED);
   STATIC_ASSERT(PIPE_SWIZZLE_Y == TEXTURE_SWIZZLE_GREEN);
   STATIC_ASSERT(PIPE_SWIZZLE_Z == TEXTURE_SWIZZLE_BLUE);
   STATIC_ASSERT(PIPE_SWIZZLE_W == TEXTURE_SWIZZLE_ALPHA);
   STATIC_ASSERT(PIPE_SWIZZLE_0 == TEXTURE_SWIZZLE_ZERO);
   STATIC_ASSERT(PIPE_SWIZZLE_1 == TEXTURE_SWIZZLE_ONE);

   return VIVS_TE_SAMPLER_CONFIG1_SWIZZLE_R(rswiz[0]) |
          VIVS_TE_SAMPLER_CONFIG1_SWIZZLE_G(rswiz[1]) |
          VIVS_TE_SAMPLER_CONFIG1_SWIZZLE_B(rswiz[2]) |
          VIVS_TE_SAMPLER_CONFIG1_SWIZZLE_A(rswiz[3]);
}

uint32_t
translate_rs_format(enum pipe_format fmt)
{
   if (!formats[fmt].present)
      return ETNA_NO_MATCH;

   if (formats[fmt].rs == ETNA_NO_MATCH)
      return ETNA_NO_MATCH;

   return RS_FORMAT(formats[fmt].rs);
}

int
translate_rs_format_rb_swap(enum pipe_format fmt)
{
   assert(formats[fmt].present);

   return formats[fmt].rs & RS_FORMAT_RB_SWAP;
}

/* Return type flags for vertex element format */
uint32_t
translate_vertex_format_type(enum pipe_format fmt)
{
   if (!formats[fmt].present)
      return ETNA_NO_MATCH;

   return formats[fmt].vtx;
}

uint32_t
translate_ts_sampler_format(enum pipe_format fmt)
{
   if (!formats[fmt].present)
      return ETNA_NO_MATCH;

   return formats[fmt].ts;
}