1/* 2 * Copyright (c) 2016 Etnaviv Project 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, sub license, 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 12 * next paragraph) shall be included in all copies or substantial portions 13 * of the 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 NON-INFRINGEMENT. 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 20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 21 * DEALINGS IN THE SOFTWARE. 22 * 23 * Authors: 24 * Christian Gmeiner <christian.gmeiner@gmail.com> 25 */ 26 27#include "etnaviv_format.h" 28 29#include "hw/common_3d.xml.h" 30#include "hw/state.xml.h" 31#include "hw/state_3d.xml.h" 32 33#include "pipe/p_defines.h" 34 35/* Specifies the table of all the formats and their features. Also supplies 36 * the helpers that look up various data in those tables. 37 */ 38 39struct etna_format { 40 unsigned vtx; 41 unsigned tex; 42 unsigned rs; 43 unsigned ts; 44 boolean present; 45 const unsigned char tex_swiz[4]; 46}; 47 48#define RS_FORMAT_NONE ~0 49 50#define RS_FORMAT_MASK 0xf 51#define RS_FORMAT(x) ((x) & RS_FORMAT_MASK) 52#define RS_FORMAT_RB_SWAP 0x10 53 54#define RS_FORMAT_X8B8G8R8 (RS_FORMAT_X8R8G8B8 | RS_FORMAT_RB_SWAP) 55#define RS_FORMAT_A8B8G8R8 (RS_FORMAT_A8R8G8B8 | RS_FORMAT_RB_SWAP) 56 57#define TS_SAMPLER_FORMAT_NONE ETNA_NO_MATCH 58 59#define SWIZ(x,y,z,w) { \ 60 PIPE_SWIZZLE_##x, \ 61 PIPE_SWIZZLE_##y, \ 62 PIPE_SWIZZLE_##z, \ 63 PIPE_SWIZZLE_##w \ 64} 65 66/* vertex + texture */ 67#define VT(pipe, vtxfmt, texfmt, texswiz, rsfmt, tsfmt) \ 68 [PIPE_FORMAT_##pipe] = { \ 69 .vtx = FE_DATA_TYPE_##vtxfmt, \ 70 .tex = TEXTURE_FORMAT_##texfmt, \ 71 .rs = RS_FORMAT_##rsfmt, \ 72 .ts = TS_SAMPLER_FORMAT_##tsfmt, \ 73 .present = 1, \ 74 .tex_swiz = texswiz, \ 75 } 76 77/* texture-only */ 78#define _T(pipe, fmt, swiz, rsfmt, tsfmt) \ 79 [PIPE_FORMAT_##pipe] = { \ 80 .vtx = ETNA_NO_MATCH, \ 81 .tex = TEXTURE_FORMAT_##fmt, \ 82 .rs = RS_FORMAT_##rsfmt, \ 83 .ts = TS_SAMPLER_FORMAT_##tsfmt, \ 84 .present = 1, \ 85 .tex_swiz = swiz, \ 86 } 87 88/* vertex-only */ 89#define V_(pipe, fmt, rsfmt) \ 90 [PIPE_FORMAT_##pipe] = { \ 91 .vtx = FE_DATA_TYPE_##fmt, \ 92 .tex = ETNA_NO_MATCH, \ 93 .rs = RS_FORMAT_##rsfmt, \ 94 .present = 1, \ 95 } 96 97static struct etna_format formats[PIPE_FORMAT_COUNT] = { 98 /* 8-bit */ 99 VT(R8_UNORM, UNSIGNED_BYTE, L8, SWIZ(X, 0, 0, 1), NONE, NONE), 100 V_(R8_SNORM, BYTE, NONE), 101 V_(R8_UINT, UNSIGNED_BYTE, NONE), 102 V_(R8_SINT, BYTE, NONE), 103 V_(R8_USCALED, UNSIGNED_BYTE, NONE), 104 V_(R8_SSCALED, BYTE, NONE), 105 106 _T(A8_UNORM, A8, SWIZ(X, Y, Z, W), NONE, NONE), 107 _T(L8_UNORM, L8, SWIZ(X, Y, Z, W), NONE, NONE), 108 _T(I8_UNORM, I8, SWIZ(X, Y, Z, W), NONE, NONE), 109 110 /* 16-bit */ 111 V_(R16_UNORM, UNSIGNED_SHORT, NONE), 112 V_(R16_SNORM, SHORT, NONE), 113 V_(R16_UINT, UNSIGNED_SHORT, NONE), 114 V_(R16_SINT, SHORT, NONE), 115 V_(R16_USCALED, UNSIGNED_SHORT, NONE), 116 V_(R16_SSCALED, SHORT, NONE), 117 V_(R16_FLOAT, HALF_FLOAT, NONE), 118 119 _T(B4G4R4A4_UNORM, A4R4G4B4, SWIZ(X, Y, Z, W), A4R4G4B4, A4R4G4B4), 120 _T(B4G4R4X4_UNORM, X4R4G4B4, SWIZ(X, Y, Z, W), X4R4G4B4, A4R4G4B4), 121 122 _T(L8A8_UNORM, A8L8, SWIZ(X, Y, Z, W), NONE, NONE), 123 124 _T(Z16_UNORM, D16, SWIZ(X, Y, Z, W), A4R4G4B4, D16), 125 _T(B5G6R5_UNORM, R5G6B5, SWIZ(X, Y, Z, W), R5G6B5, R5G6B5), 126 _T(B5G5R5A1_UNORM, A1R5G5B5, SWIZ(X, Y, Z, W), A1R5G5B5, A1R5G5B5), 127 _T(B5G5R5X1_UNORM, X1R5G5B5, SWIZ(X, Y, Z, W), X1R5G5B5, A1R5G5B5), 128 129 VT(R8G8_UNORM, UNSIGNED_BYTE, EXT_G8R8 | EXT_FORMAT, SWIZ(X, Y, 0, 1), NONE, NONE), 130 V_(R8G8_SNORM, BYTE, NONE), 131 V_(R8G8_UINT, UNSIGNED_BYTE, NONE), 132 V_(R8G8_SINT, BYTE, NONE), 133 V_(R8G8_USCALED, UNSIGNED_BYTE, NONE), 134 V_(R8G8_SSCALED, BYTE, NONE), 135 136 /* 24-bit */ 137 V_(R8G8B8_UNORM, UNSIGNED_BYTE, NONE), 138 V_(R8G8B8_SNORM, BYTE, NONE), 139 V_(R8G8B8_UINT, UNSIGNED_BYTE, NONE), 140 V_(R8G8B8_SINT, BYTE, NONE), 141 V_(R8G8B8_USCALED, UNSIGNED_BYTE, NONE), 142 V_(R8G8B8_SSCALED, BYTE, NONE), 143 144 /* 32-bit */ 145 V_(R32_UNORM, UNSIGNED_INT, NONE), 146 V_(R32_SNORM, INT, NONE), 147 V_(R32_SINT, INT, NONE), 148 V_(R32_UINT, UNSIGNED_INT, NONE), 149 V_(R32_USCALED, UNSIGNED_INT, NONE), 150 V_(R32_SSCALED, INT, NONE), 151 V_(R32_FLOAT, FLOAT, NONE), 152 V_(R32_FIXED, FIXED, NONE), 153 154 V_(R16G16_UNORM, UNSIGNED_SHORT, NONE), 155 V_(R16G16_SNORM, SHORT, NONE), 156 V_(R16G16_UINT, UNSIGNED_SHORT, NONE), 157 V_(R16G16_SINT, SHORT, NONE), 158 V_(R16G16_USCALED, UNSIGNED_SHORT, NONE), 159 V_(R16G16_SSCALED, SHORT, NONE), 160 V_(R16G16_FLOAT, HALF_FLOAT, NONE), 161 162 V_(A8B8G8R8_UNORM, UNSIGNED_BYTE, NONE), 163 164 VT(R8G8B8A8_UNORM, UNSIGNED_BYTE, A8B8G8R8, SWIZ(X, Y, Z, W), A8B8G8R8, A8R8G8B8), 165 V_(R8G8B8A8_SNORM, BYTE, A8B8G8R8), 166 _T(R8G8B8X8_UNORM, X8B8G8R8, SWIZ(X, Y, Z, W), X8B8G8R8, X8R8G8B8), 167 V_(R8G8B8A8_UINT, UNSIGNED_BYTE, A8B8G8R8), 168 V_(R8G8B8A8_SINT, BYTE, A8B8G8R8), 169 V_(R8G8B8A8_USCALED, UNSIGNED_BYTE, A8B8G8R8), 170 V_(R8G8B8A8_SSCALED, BYTE, A8B8G8R8), 171 172 _T(B8G8R8A8_UNORM, A8R8G8B8, SWIZ(X, Y, Z, W), A8R8G8B8, A8R8G8B8), 173 _T(B8G8R8X8_UNORM, X8R8G8B8, SWIZ(X, Y, Z, W), X8R8G8B8, X8R8G8B8), 174 _T(B8G8R8A8_SRGB, A8R8G8B8, SWIZ(X, Y, Z, W), A8R8G8B8, A8R8G8B8), 175 _T(B8G8R8X8_SRGB, X8R8G8B8, SWIZ(X, Y, Z, W), X8R8G8B8, X8R8G8B8), 176 177 V_(R10G10B10A2_UNORM, UNSIGNED_INT_10_10_10_2, NONE), 178 V_(R10G10B10A2_SNORM, INT_10_10_10_2, NONE), 179 V_(R10G10B10A2_USCALED, UNSIGNED_INT_10_10_10_2, NONE), 180 V_(R10G10B10A2_SSCALED, INT_10_10_10_2, NONE), 181 182 _T(X8Z24_UNORM, D24X8, SWIZ(X, Y, Z, W), A8R8G8B8, D24X8), 183 _T(S8_UINT_Z24_UNORM, D24X8, SWIZ(X, Y, Z, W), A8R8G8B8, D24X8), 184 185 /* 48-bit */ 186 V_(R16G16B16_UNORM, UNSIGNED_SHORT, NONE), 187 V_(R16G16B16_SNORM, SHORT, NONE), 188 V_(R16G16B16_UINT, UNSIGNED_SHORT, NONE), 189 V_(R16G16B16_SINT, SHORT, NONE), 190 V_(R16G16B16_USCALED, UNSIGNED_SHORT, NONE), 191 V_(R16G16B16_SSCALED, SHORT, NONE), 192 V_(R16G16B16_FLOAT, HALF_FLOAT, NONE), 193 194 /* 64-bit */ 195 V_(R16G16B16A16_UNORM, UNSIGNED_SHORT, NONE), 196 V_(R16G16B16A16_SNORM, SHORT, NONE), 197 V_(R16G16B16A16_UINT, UNSIGNED_SHORT, NONE), 198 V_(R16G16B16A16_SINT, SHORT, NONE), 199 V_(R16G16B16A16_USCALED, UNSIGNED_SHORT, NONE), 200 V_(R16G16B16A16_SSCALED, SHORT, NONE), 201 V_(R16G16B16A16_FLOAT, HALF_FLOAT, NONE), 202 203 V_(R32G32_UNORM, UNSIGNED_INT, NONE), 204 V_(R32G32_SNORM, INT, NONE), 205 V_(R32G32_UINT, UNSIGNED_INT, NONE), 206 V_(R32G32_SINT, INT, NONE), 207 V_(R32G32_USCALED, UNSIGNED_INT, NONE), 208 V_(R32G32_SSCALED, INT, NONE), 209 V_(R32G32_FLOAT, FLOAT, NONE), 210 V_(R32G32_FIXED, FIXED, NONE), 211 212 /* 96-bit */ 213 V_(R32G32B32_UNORM, UNSIGNED_INT, NONE), 214 V_(R32G32B32_SNORM, INT, NONE), 215 V_(R32G32B32_UINT, UNSIGNED_INT, NONE), 216 V_(R32G32B32_SINT, INT, NONE), 217 V_(R32G32B32_USCALED, UNSIGNED_INT, NONE), 218 V_(R32G32B32_SSCALED, INT, NONE), 219 V_(R32G32B32_FLOAT, FLOAT, NONE), 220 V_(R32G32B32_FIXED, FIXED, NONE), 221 222 /* 128-bit */ 223 V_(R32G32B32A32_UNORM, UNSIGNED_INT, NONE), 224 V_(R32G32B32A32_SNORM, INT, NONE), 225 V_(R32G32B32A32_UINT, UNSIGNED_INT, NONE), 226 V_(R32G32B32A32_SINT, INT, NONE), 227 V_(R32G32B32A32_USCALED, UNSIGNED_INT, NONE), 228 V_(R32G32B32A32_SSCALED, INT, NONE), 229 V_(R32G32B32A32_FLOAT, FLOAT, NONE), 230 V_(R32G32B32A32_FIXED, FIXED, NONE), 231 232 /* compressed */ 233 _T(ETC1_RGB8, ETC1, SWIZ(X, Y, Z, W), NONE, NONE), 234 235 _T(DXT1_RGB, DXT1, SWIZ(X, Y, Z, W), NONE, NONE), 236 _T(DXT1_SRGBA,DXT1, SWIZ(X, Y, Z, W), NONE, NONE), 237 _T(DXT1_RGBA, DXT1, SWIZ(X, Y, Z, W), NONE, NONE), 238 _T(DXT3_SRGBA,DXT2_DXT3, SWIZ(X, Y, Z, W), NONE, NONE), 239 _T(DXT3_RGBA, DXT2_DXT3, SWIZ(X, Y, Z, W), NONE, NONE), 240 _T(DXT5_SRGBA,DXT4_DXT5, SWIZ(X, Y, Z, W), NONE, NONE), 241 _T(DXT5_RGBA, DXT4_DXT5, SWIZ(X, Y, Z, W), NONE, NONE), 242 243 _T(ETC2_RGB8, EXT_NONE | EXT_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE), /* Extd. format NONE doubles as ETC2_RGB8 */ 244 _T(ETC2_SRGB8, EXT_NONE | EXT_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE), 245 _T(ETC2_RGB8A1, EXT_RGB8_PUNCHTHROUGH_ALPHA1_ETC2 | EXT_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE), 246 _T(ETC2_SRGB8A1, EXT_RGB8_PUNCHTHROUGH_ALPHA1_ETC2 | EXT_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE), 247 _T(ETC2_RGBA8, EXT_RGBA8_ETC2_EAC | EXT_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE), 248 _T(ETC2_SRGBA8, EXT_RGBA8_ETC2_EAC | EXT_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE), 249 _T(ETC2_R11_UNORM, EXT_R11_EAC | EXT_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE), 250 _T(ETC2_R11_SNORM, EXT_SIGNED_R11_EAC | EXT_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE), 251 _T(ETC2_RG11_UNORM, EXT_RG11_EAC | EXT_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE), 252 _T(ETC2_RG11_SNORM, EXT_SIGNED_RG11_EAC | EXT_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE), 253 254 _T(ASTC_4x4, ASTC_RGBA_4x4 | ASTC_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE), 255 _T(ASTC_5x4, ASTC_RGBA_5x4 | ASTC_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE), 256 _T(ASTC_5x5, ASTC_RGBA_5x5 | ASTC_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE), 257 _T(ASTC_6x5, ASTC_RGBA_6x5 | ASTC_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE), 258 _T(ASTC_6x6, ASTC_RGBA_6x6 | ASTC_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE), 259 _T(ASTC_8x5, ASTC_RGBA_8x5 | ASTC_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE), 260 _T(ASTC_8x6, ASTC_RGBA_8x6 | ASTC_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE), 261 _T(ASTC_8x8, ASTC_RGBA_8x8 | ASTC_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE), 262 _T(ASTC_10x5, ASTC_RGBA_10x5 | ASTC_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE), 263 _T(ASTC_10x6, ASTC_RGBA_10x6 | ASTC_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE), 264 _T(ASTC_10x8, ASTC_RGBA_10x8 | ASTC_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE), 265 _T(ASTC_10x10, ASTC_RGBA_10x10 | ASTC_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE), 266 _T(ASTC_12x10, ASTC_RGBA_12x10 | ASTC_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE), 267 _T(ASTC_12x12, ASTC_RGBA_12x12 | ASTC_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE), 268 269 _T(ASTC_4x4_SRGB, ASTC_SRGB8_ALPHA8_4x4 | ASTC_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE), 270 _T(ASTC_5x4_SRGB, ASTC_SRGB8_ALPHA8_5x4 | ASTC_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE), 271 _T(ASTC_5x5_SRGB, ASTC_SRGB8_ALPHA8_5x5 | ASTC_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE), 272 _T(ASTC_6x5_SRGB, ASTC_SRGB8_ALPHA8_6x5 | ASTC_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE), 273 _T(ASTC_6x6_SRGB, ASTC_SRGB8_ALPHA8_6x6 | ASTC_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE), 274 _T(ASTC_8x5_SRGB, ASTC_SRGB8_ALPHA8_8x5 | ASTC_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE), 275 _T(ASTC_8x6_SRGB, ASTC_SRGB8_ALPHA8_8x6 | ASTC_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE), 276 _T(ASTC_8x8_SRGB, ASTC_SRGB8_ALPHA8_8x8 | ASTC_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE), 277 _T(ASTC_10x5_SRGB, ASTC_SRGB8_ALPHA8_10x5 | ASTC_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE), 278 _T(ASTC_10x6_SRGB, ASTC_SRGB8_ALPHA8_10x6 | ASTC_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE), 279 _T(ASTC_10x8_SRGB, ASTC_SRGB8_ALPHA8_10x8 | ASTC_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE), 280 _T(ASTC_10x10_SRGB, ASTC_SRGB8_ALPHA8_10x10 | ASTC_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE), 281 _T(ASTC_12x10_SRGB, ASTC_SRGB8_ALPHA8_12x10 | ASTC_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE), 282 _T(ASTC_12x12_SRGB, ASTC_SRGB8_ALPHA8_12x12 | ASTC_FORMAT, SWIZ(X, Y, Z, W), NONE, NONE), 283 284 /* YUV */ 285 _T(YUYV, YUY2, SWIZ(X, Y, Z, W), YUY2, NONE), 286 _T(UYVY, UYVY, SWIZ(X, Y, Z, W), NONE, NONE), 287}; 288 289uint32_t 290translate_texture_format(enum pipe_format fmt) 291{ 292 if (!formats[fmt].present) 293 return ETNA_NO_MATCH; 294 295 return formats[fmt].tex; 296} 297 298bool 299texture_format_needs_swiz(enum pipe_format fmt) 300{ 301 static const unsigned char def[4] = SWIZ(X, Y, Z, W); 302 bool swiz = false; 303 304 if (formats[fmt].present) 305 swiz = !!memcmp(def, formats[fmt].tex_swiz, sizeof(formats[fmt].tex_swiz)); 306 307 return swiz; 308} 309 310uint32_t 311get_texture_swiz(enum pipe_format fmt, unsigned swizzle_r, 312 unsigned swizzle_g, unsigned swizzle_b, unsigned swizzle_a) 313{ 314 unsigned char swiz[4] = { 315 swizzle_r, swizzle_g, swizzle_b, swizzle_a, 316 }, rswiz[4]; 317 318 assert(formats[fmt].present); 319 util_format_compose_swizzles(formats[fmt].tex_swiz, swiz, rswiz); 320 321 /* PIPE_SWIZZLE_ maps 1:1 to TEXTURE_SWIZZLE_ */ 322 STATIC_ASSERT(PIPE_SWIZZLE_X == TEXTURE_SWIZZLE_RED); 323 STATIC_ASSERT(PIPE_SWIZZLE_Y == TEXTURE_SWIZZLE_GREEN); 324 STATIC_ASSERT(PIPE_SWIZZLE_Z == TEXTURE_SWIZZLE_BLUE); 325 STATIC_ASSERT(PIPE_SWIZZLE_W == TEXTURE_SWIZZLE_ALPHA); 326 STATIC_ASSERT(PIPE_SWIZZLE_0 == TEXTURE_SWIZZLE_ZERO); 327 STATIC_ASSERT(PIPE_SWIZZLE_1 == TEXTURE_SWIZZLE_ONE); 328 329 return VIVS_TE_SAMPLER_CONFIG1_SWIZZLE_R(rswiz[0]) | 330 VIVS_TE_SAMPLER_CONFIG1_SWIZZLE_G(rswiz[1]) | 331 VIVS_TE_SAMPLER_CONFIG1_SWIZZLE_B(rswiz[2]) | 332 VIVS_TE_SAMPLER_CONFIG1_SWIZZLE_A(rswiz[3]); 333} 334 335uint32_t 336translate_rs_format(enum pipe_format fmt) 337{ 338 if (!formats[fmt].present) 339 return ETNA_NO_MATCH; 340 341 if (formats[fmt].rs == ETNA_NO_MATCH) 342 return ETNA_NO_MATCH; 343 344 return RS_FORMAT(formats[fmt].rs); 345} 346 347int 348translate_rs_format_rb_swap(enum pipe_format fmt) 349{ 350 assert(formats[fmt].present); 351 352 return formats[fmt].rs & RS_FORMAT_RB_SWAP; 353} 354 355/* Return type flags for vertex element format */ 356uint32_t 357translate_vertex_format_type(enum pipe_format fmt) 358{ 359 if (!formats[fmt].present) 360 return ETNA_NO_MATCH; 361 362 return formats[fmt].vtx; 363} 364 365uint32_t 366translate_ts_sampler_format(enum pipe_format fmt) 367{ 368 if (!formats[fmt].present) 369 return ETNA_NO_MATCH; 370 371 return formats[fmt].ts; 372} 373