1 /* 2 * Copyright (C) 2013 Rob Clark <robclark (at) 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 */ 24 25 #include "pipe/p_defines.h" 26 #include "util/u_format.h" 27 28 #include "fd3_format.h" 29 30 /* Specifies the table of all the formats and their features. Also supplies 31 * the helpers that look up various data in those tables. 32 */ 33 34 struct fd3_format { 35 enum a3xx_vtx_fmt vtx; 36 enum a3xx_tex_fmt tex; 37 enum a3xx_color_fmt rb; 38 enum a3xx_color_swap swap; 39 boolean present; 40 }; 41 42 #define RB_NONE ~0 43 44 /* vertex + texture */ 45 #define VT(pipe, fmt, rbfmt, swapfmt) \ 46 [PIPE_FORMAT_ ## pipe] = { \ 47 .present = 1, \ 48 .vtx = VFMT_ ## fmt, \ 49 .tex = TFMT_ ## fmt, \ 50 .rb = RB_ ## rbfmt, \ 51 .swap = swapfmt \ 52 } 53 54 /* texture-only */ 55 #define _T(pipe, fmt, rbfmt, swapfmt) \ 56 [PIPE_FORMAT_ ## pipe] = { \ 57 .present = 1, \ 58 .vtx = ~0, \ 59 .tex = TFMT_ ## fmt, \ 60 .rb = RB_ ## rbfmt, \ 61 .swap = swapfmt \ 62 } 63 64 /* vertex-only */ 65 #define V_(pipe, fmt, rbfmt, swapfmt) \ 66 [PIPE_FORMAT_ ## pipe] = { \ 67 .present = 1, \ 68 .vtx = VFMT_ ## fmt, \ 69 .tex = ~0, \ 70 .rb = RB_ ## rbfmt, \ 71 .swap = swapfmt \ 72 } 73 74 static struct fd3_format formats[PIPE_FORMAT_COUNT] = { 75 /* 8-bit */ 76 VT(R8_UNORM, 8_UNORM, R8_UNORM, WZYX), 77 VT(R8_SNORM, 8_SNORM, NONE, WZYX), 78 VT(R8_UINT, 8_UINT, R8_UINT, WZYX), 79 VT(R8_SINT, 8_SINT, R8_SINT, WZYX), 80 V_(R8_USCALED, 8_UINT, NONE, WZYX), 81 V_(R8_SSCALED, 8_UINT, NONE, WZYX), 82 83 _T(A8_UNORM, 8_UNORM, A8_UNORM, WZYX), 84 _T(L8_UNORM, 8_UNORM, R8_UNORM, WZYX), 85 _T(I8_UNORM, 8_UNORM, NONE, WZYX), 86 87 _T(A8_UINT, 8_UINT, NONE, WZYX), 88 _T(A8_SINT, 8_SINT, NONE, WZYX), 89 _T(L8_UINT, 8_UINT, NONE, WZYX), 90 _T(L8_SINT, 8_SINT, NONE, WZYX), 91 _T(I8_UINT, 8_UINT, NONE, WZYX), 92 _T(I8_SINT, 8_SINT, NONE, WZYX), 93 94 _T(S8_UINT, 8_UINT, R8_UNORM, WZYX), 95 96 /* 16-bit */ 97 VT(R16_UNORM, 16_UNORM, NONE, WZYX), 98 VT(R16_SNORM, 16_SNORM, NONE, WZYX), 99 VT(R16_UINT, 16_UINT, R16_UINT, WZYX), 100 VT(R16_SINT, 16_SINT, R16_SINT, WZYX), 101 V_(R16_USCALED, 16_UINT, NONE, WZYX), 102 V_(R16_SSCALED, 16_UINT, NONE, WZYX), 103 VT(R16_FLOAT, 16_FLOAT, R16_FLOAT,WZYX), 104 105 _T(A16_UINT, 16_UINT, NONE, WZYX), 106 _T(A16_SINT, 16_SINT, NONE, WZYX), 107 _T(L16_UINT, 16_UINT, NONE, WZYX), 108 _T(L16_SINT, 16_SINT, NONE, WZYX), 109 _T(I16_UINT, 16_UINT, NONE, WZYX), 110 _T(I16_SINT, 16_SINT, NONE, WZYX), 111 112 VT(R8G8_UNORM, 8_8_UNORM, R8G8_UNORM, WZYX), 113 VT(R8G8_SNORM, 8_8_SNORM, R8G8_SNORM, WZYX), 114 VT(R8G8_UINT, 8_8_UINT, NONE, WZYX), 115 VT(R8G8_SINT, 8_8_SINT, NONE, WZYX), 116 V_(R8G8_USCALED, 8_8_UINT, NONE, WZYX), 117 V_(R8G8_SSCALED, 8_8_SINT, NONE, WZYX), 118 119 _T(L8A8_UINT, 8_8_UINT, NONE, WZYX), 120 _T(L8A8_SINT, 8_8_SINT, NONE, WZYX), 121 122 _T(Z16_UNORM, Z16_UNORM, R8G8_UNORM, WZYX), 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_UINT, 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, NONE, WZYX), 152 VT(R16G16_SNORM, 16_16_SNORM, NONE, 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_UINT, 16_16_UINT, NONE, WZYX), 160 _T(L16A16_SINT, 16_16_SINT, NONE, WZYX), 161 162 VT(R8G8B8A8_UNORM, 8_8_8_8_UNORM, R8G8B8A8_UNORM, WZYX), 163 _T(R8G8B8X8_UNORM, 8_8_8_8_UNORM, R8G8B8A8_UNORM, WZYX), 164 _T(R8G8B8A8_SRGB, 8_8_8_8_UNORM, R8G8B8A8_UNORM, WZYX), 165 _T(R8G8B8X8_SRGB, 8_8_8_8_UNORM, R8G8B8A8_UNORM, WZYX), 166 VT(R8G8B8A8_SNORM, 8_8_8_8_SNORM, R8G8B8A8_SNORM, WZYX), 167 VT(R8G8B8A8_UINT, 8_8_8_8_UINT, R8G8B8A8_UINT, WZYX), 168 VT(R8G8B8A8_SINT, 8_8_8_8_SINT, R8G8B8A8_SINT, WZYX), 169 V_(R8G8B8A8_USCALED, 8_8_8_8_UINT, NONE, WZYX), 170 V_(R8G8B8A8_SSCALED, 8_8_8_8_SINT, NONE, WZYX), 171 172 VT(B8G8R8A8_UNORM, 8_8_8_8_UNORM, R8G8B8A8_UNORM, WXYZ), 173 _T(B8G8R8X8_UNORM, 8_8_8_8_UNORM, R8G8B8A8_UNORM, WXYZ), 174 VT(B8G8R8A8_SRGB, 8_8_8_8_UNORM, R8G8B8A8_UNORM, WXYZ), 175 _T(B8G8R8X8_SRGB, 8_8_8_8_UNORM, R8G8B8A8_UNORM, WXYZ), 176 177 VT(A8B8G8R8_UNORM, 8_8_8_8_UNORM, R8G8B8A8_UNORM, XYZW), 178 _T(X8B8G8R8_UNORM, 8_8_8_8_UNORM, R8G8B8A8_UNORM, XYZW), 179 _T(A8B8G8R8_SRGB, 8_8_8_8_UNORM, R8G8B8A8_UNORM, XYZW), 180 _T(X8B8G8R8_SRGB, 8_8_8_8_UNORM, R8G8B8A8_UNORM, XYZW), 181 182 VT(A8R8G8B8_UNORM, 8_8_8_8_UNORM, R8G8B8A8_UNORM, ZYXW), 183 _T(X8R8G8B8_UNORM, 8_8_8_8_UNORM, R8G8B8A8_UNORM, ZYXW), 184 _T(A8R8G8B8_SRGB, 8_8_8_8_UNORM, R8G8B8A8_UNORM, ZYXW), 185 _T(X8R8G8B8_SRGB, 8_8_8_8_UNORM, R8G8B8A8_UNORM, ZYXW), 186 187 VT(R10G10B10A2_UNORM, 10_10_10_2_UNORM, R10G10B10A2_UNORM, WZYX), 188 VT(B10G10R10A2_UNORM, 10_10_10_2_UNORM, R10G10B10A2_UNORM, WXYZ), 189 _T(B10G10R10X2_UNORM, 10_10_10_2_UNORM, R10G10B10A2_UNORM, WXYZ), 190 V_(R10G10B10A2_SNORM, 10_10_10_2_SNORM, NONE, WZYX), 191 V_(B10G10R10A2_SNORM, 10_10_10_2_SNORM, NONE, WXYZ), 192 V_(R10G10B10A2_UINT, 10_10_10_2_UINT, NONE, WZYX), 193 V_(B10G10R10A2_UINT, 10_10_10_2_UINT, NONE, WXYZ), 194 V_(R10G10B10A2_USCALED, 10_10_10_2_UINT, NONE, WZYX), 195 V_(B10G10R10A2_USCALED, 10_10_10_2_UINT, NONE, WXYZ), 196 V_(R10G10B10A2_SSCALED, 10_10_10_2_SINT, NONE, WZYX), 197 V_(B10G10R10A2_SSCALED, 10_10_10_2_SINT, NONE, WXYZ), 198 199 _T(R11G11B10_FLOAT, 11_11_10_FLOAT, R11G11B10_FLOAT, WZYX), 200 _T(R9G9B9E5_FLOAT, 9_9_9_E5_FLOAT, NONE, WZYX), 201 202 _T(Z24X8_UNORM, X8Z24_UNORM, R8G8B8A8_UNORM, WZYX), 203 _T(Z24_UNORM_S8_UINT, X8Z24_UNORM, R8G8B8A8_UNORM, WZYX), 204 _T(Z32_FLOAT, Z32_FLOAT, R8G8B8A8_UNORM, WZYX), 205 _T(Z32_FLOAT_S8X24_UINT, Z32_FLOAT,R8G8B8A8_UNORM, WZYX), 206 207 /* 48-bit */ 208 V_(R16G16B16_UNORM, 16_16_16_UNORM, NONE, WZYX), 209 V_(R16G16B16_SNORM, 16_16_16_SNORM, NONE, WZYX), 210 V_(R16G16B16_UINT, 16_16_16_UINT, NONE, WZYX), 211 V_(R16G16B16_SINT, 16_16_16_SINT, NONE, WZYX), 212 V_(R16G16B16_USCALED, 16_16_16_UINT, NONE, WZYX), 213 V_(R16G16B16_SSCALED, 16_16_16_SINT, NONE, WZYX), 214 V_(R16G16B16_FLOAT, 16_16_16_FLOAT, NONE, WZYX), 215 216 /* 64-bit */ 217 VT(R16G16B16A16_UNORM, 16_16_16_16_UNORM, NONE, WZYX), 218 VT(R16G16B16A16_SNORM, 16_16_16_16_SNORM, NONE, WZYX), 219 VT(R16G16B16A16_UINT, 16_16_16_16_UINT, R16G16B16A16_UINT, WZYX), 220 _T(R16G16B16X16_UINT, 16_16_16_16_UINT, R16G16B16A16_UINT, WZYX), 221 VT(R16G16B16A16_SINT, 16_16_16_16_SINT, R16G16B16A16_SINT, WZYX), 222 _T(R16G16B16X16_SINT, 16_16_16_16_SINT, R16G16B16A16_SINT, WZYX), 223 V_(R16G16B16A16_USCALED, 16_16_16_16_UINT, NONE, WZYX), 224 V_(R16G16B16A16_SSCALED, 16_16_16_16_SINT, NONE, WZYX), 225 VT(R16G16B16A16_FLOAT, 16_16_16_16_FLOAT, R16G16B16A16_FLOAT, WZYX), 226 _T(R16G16B16X16_FLOAT, 16_16_16_16_FLOAT, R16G16B16A16_FLOAT, WZYX), 227 228 VT(R32G32_UINT, 32_32_UINT, R32G32_UINT, WZYX), 229 VT(R32G32_SINT, 32_32_SINT, R32G32_SINT, WZYX), 230 V_(R32G32_USCALED, 32_32_UINT, NONE, WZYX), 231 V_(R32G32_SSCALED, 32_32_SINT, NONE, WZYX), 232 VT(R32G32_FLOAT, 32_32_FLOAT, R32G32_FLOAT,WZYX), 233 V_(R32G32_FIXED, 32_32_FIXED, NONE, WZYX), 234 235 _T(L32A32_UINT, 32_32_UINT, NONE, WZYX), 236 _T(L32A32_SINT, 32_32_SINT, NONE, WZYX), 237 238 /* 96-bit */ 239 V_(R32G32B32_UINT, 32_32_32_UINT, NONE, WZYX), 240 V_(R32G32B32_SINT, 32_32_32_SINT, NONE, WZYX), 241 V_(R32G32B32_USCALED, 32_32_32_UINT, NONE, WZYX), 242 V_(R32G32B32_SSCALED, 32_32_32_SINT, NONE, WZYX), 243 V_(R32G32B32_FLOAT, 32_32_32_FLOAT, NONE, WZYX), 244 V_(R32G32B32_FIXED, 32_32_32_FIXED, NONE, WZYX), 245 246 /* 128-bit */ 247 VT(R32G32B32A32_UINT, 32_32_32_32_UINT, R32G32B32A32_UINT, WZYX), 248 _T(R32G32B32X32_UINT, 32_32_32_32_UINT, R32G32B32A32_UINT, WZYX), 249 VT(R32G32B32A32_SINT, 32_32_32_32_SINT, R32G32B32A32_SINT, WZYX), 250 _T(R32G32B32X32_SINT, 32_32_32_32_SINT, R32G32B32A32_SINT, WZYX), 251 V_(R32G32B32A32_USCALED, 32_32_32_32_UINT, NONE, WZYX), 252 V_(R32G32B32A32_SSCALED, 32_32_32_32_SINT, NONE, WZYX), 253 VT(R32G32B32A32_FLOAT, 32_32_32_32_FLOAT, R32G32B32A32_FLOAT, WZYX), 254 _T(R32G32B32X32_FLOAT, 32_32_32_32_FLOAT, R32G32B32A32_FLOAT, WZYX), 255 V_(R32G32B32A32_FIXED, 32_32_32_32_FIXED, NONE, WZYX), 256 257 /* compressed */ 258 _T(ETC1_RGB8, ETC1, NONE, WZYX), 259 _T(ETC2_RGB8, ETC2_RGB8, NONE, WZYX), 260 _T(ETC2_SRGB8, ETC2_RGB8, NONE, WZYX), 261 _T(ETC2_RGB8A1, ETC2_RGB8A1, NONE, WZYX), 262 _T(ETC2_SRGB8A1, ETC2_RGB8A1, NONE, WZYX), 263 _T(ETC2_RGBA8, ETC2_RGBA8, NONE, WZYX), 264 _T(ETC2_SRGBA8, ETC2_RGBA8, NONE, WZYX), 265 _T(ETC2_R11_UNORM, ETC2_R11_UNORM, NONE, WZYX), 266 _T(ETC2_R11_SNORM, ETC2_R11_SNORM, NONE, WZYX), 267 _T(ETC2_RG11_UNORM, ETC2_RG11_UNORM, NONE, WZYX), 268 _T(ETC2_RG11_SNORM, ETC2_RG11_SNORM, NONE, WZYX), 269 270 _T(DXT1_RGB, DXT1, NONE, WZYX), 271 _T(DXT1_SRGB, DXT1, NONE, WZYX), 272 _T(DXT1_RGBA, DXT1, NONE, WZYX), 273 _T(DXT1_SRGBA, DXT1, NONE, WZYX), 274 _T(DXT3_RGBA, DXT3, NONE, WZYX), 275 _T(DXT3_SRGBA, DXT3, NONE, WZYX), 276 _T(DXT5_RGBA, DXT5, NONE, WZYX), 277 _T(DXT5_SRGBA, DXT5, NONE, WZYX), 278 279 /* faked */ 280 _T(RGTC1_UNORM, 8_8_8_8_UNORM, NONE, WZYX), 281 _T(RGTC1_SNORM, 8_8_8_8_SNORM, NONE, WZYX), 282 _T(RGTC2_UNORM, 8_8_8_8_UNORM, NONE, WZYX), 283 _T(RGTC2_SNORM, 8_8_8_8_SNORM, NONE, WZYX), 284 _T(LATC1_UNORM, 8_8_8_8_UNORM, NONE, WZYX), 285 _T(LATC1_SNORM, 8_8_8_8_SNORM, NONE, WZYX), 286 _T(LATC2_UNORM, 8_8_8_8_UNORM, NONE, WZYX), 287 _T(LATC2_SNORM, 8_8_8_8_SNORM, NONE, WZYX), 288 }; 289 290 enum a3xx_vtx_fmt 291 fd3_pipe2vtx(enum pipe_format format) 292 { 293 if (!formats[format].present) 294 return ~0; 295 return formats[format].vtx; 296 } 297 298 enum a3xx_tex_fmt 299 fd3_pipe2tex(enum pipe_format format) 300 { 301 if (!formats[format].present) 302 return ~0; 303 return formats[format].tex; 304 } 305 306 enum a3xx_color_fmt 307 fd3_pipe2color(enum pipe_format format) 308 { 309 if (!formats[format].present) 310 return ~0; 311 return formats[format].rb; 312 } 313 314 enum a3xx_color_swap 315 fd3_pipe2swap(enum pipe_format format) 316 { 317 if (!formats[format].present) 318 return WZYX; 319 return formats[format].swap; 320 } 321 322 enum a3xx_tex_fetchsize 323 fd3_pipe2fetchsize(enum pipe_format format) 324 { 325 if (format == PIPE_FORMAT_Z32_FLOAT_S8X24_UINT) 326 format = PIPE_FORMAT_Z32_FLOAT; 327 else if (util_format_description(format)->layout == UTIL_FORMAT_LAYOUT_RGTC) 328 format = PIPE_FORMAT_R8G8B8A8_UNORM; 329 switch (util_format_get_blocksizebits(format) / util_format_get_blockwidth(format)) { 330 case 8: return TFETCH_1_BYTE; 331 case 16: return TFETCH_2_BYTE; 332 case 32: return TFETCH_4_BYTE; 333 case 64: return TFETCH_8_BYTE; 334 case 128: return TFETCH_16_BYTE; 335 default: 336 debug_printf("Unknown block size for format %s: %d\n", 337 util_format_name(format), 338 util_format_get_blocksizebits(format)); 339 return TFETCH_DISABLE; 340 } 341 } 342 343 unsigned 344 fd3_pipe2nblocksx(enum pipe_format format, unsigned width) 345 { 346 if (util_format_description(format)->layout == UTIL_FORMAT_LAYOUT_RGTC) 347 format = PIPE_FORMAT_R8G8B8A8_UNORM; 348 return util_format_get_nblocksx(format, width); 349 } 350 351 enum a3xx_color_fmt 352 fd3_fs_output_format(enum pipe_format format) 353 { 354 if (util_format_is_srgb(format)) 355 return RB_R16G16B16A16_FLOAT; 356 switch (format) { 357 case PIPE_FORMAT_R16_FLOAT: 358 case PIPE_FORMAT_R16G16_FLOAT: 359 case PIPE_FORMAT_R11G11B10_FLOAT: 360 return RB_R16G16B16A16_FLOAT; 361 case PIPE_FORMAT_L8_UNORM: 362 return RB_R8G8B8A8_UNORM; 363 default: 364 return fd3_pipe2color(format); 365 } 366 } 367 368 static inline enum a3xx_tex_swiz 369 tex_swiz(unsigned swiz) 370 { 371 switch (swiz) { 372 default: 373 case PIPE_SWIZZLE_X: return A3XX_TEX_X; 374 case PIPE_SWIZZLE_Y: return A3XX_TEX_Y; 375 case PIPE_SWIZZLE_Z: return A3XX_TEX_Z; 376 case PIPE_SWIZZLE_W: return A3XX_TEX_W; 377 case PIPE_SWIZZLE_0: return A3XX_TEX_ZERO; 378 case PIPE_SWIZZLE_1: return A3XX_TEX_ONE; 379 } 380 } 381 382 uint32_t 383 fd3_tex_swiz(enum pipe_format format, unsigned swizzle_r, unsigned swizzle_g, 384 unsigned swizzle_b, unsigned swizzle_a) 385 { 386 const struct util_format_description *desc = 387 util_format_description(format); 388 unsigned char swiz[4] = { 389 swizzle_r, swizzle_g, swizzle_b, swizzle_a, 390 }, rswiz[4]; 391 392 util_format_compose_swizzles(desc->swizzle, swiz, rswiz); 393 394 return A3XX_TEX_CONST_0_SWIZ_X(tex_swiz(rswiz[0])) | 395 A3XX_TEX_CONST_0_SWIZ_Y(tex_swiz(rswiz[1])) | 396 A3XX_TEX_CONST_0_SWIZ_Z(tex_swiz(rswiz[2])) | 397 A3XX_TEX_CONST_0_SWIZ_W(tex_swiz(rswiz[3])); 398 } 399
