1 /* 2 * Copyright 2008 Corbin Simpson <MostAwesomeDude (at) gmail.com> 3 * Copyright 2010 Marek Olk <maraeo (at) gmail.com> 4 * 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 * on the rights to use, copy, modify, merge, publish, distribute, sub 9 * license, and/or sell copies of the Software, and to permit persons to whom 10 * the Software is furnished to do so, subject to the following conditions: 11 * 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 14 * Software. 15 * 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 NON-INFRINGEMENT. IN NO EVENT SHALL 19 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, 20 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 21 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 22 * USE OR OTHER DEALINGS IN THE SOFTWARE. */ 23 24 /* Always include headers in the reverse order!! ~ M. */ 25 #include "r300_texture.h" 26 27 #include "r300_context.h" 28 #include "r300_reg.h" 29 #include "r300_texture_desc.h" 30 #include "r300_transfer.h" 31 #include "r300_screen.h" 32 33 #include "util/u_format.h" 34 #include "util/u_format_s3tc.h" 35 #include "util/u_math.h" 36 #include "util/u_memory.h" 37 38 #include "pipe/p_screen.h" 39 40 /* These formats are supported by swapping their bytes. 41 * The swizzles must be set exactly like their non-swapped counterparts, 42 * because byte-swapping is what reverses the component order, not swizzling. 43 * 44 * This function returns the format that must be used to program CB and TX 45 * swizzles. 46 */ 47 static enum pipe_format r300_unbyteswap_array_format(enum pipe_format format) 48 { 49 /* FIXME: Disabled on little endian because of a reported regression: 50 * https://bugs.freedesktop.org/show_bug.cgi?id=98869 */ 51 if (PIPE_ENDIAN_NATIVE != PIPE_ENDIAN_BIG) 52 return format; 53 54 /* Only BGRA 8888 array formats are supported for simplicity of 55 * the implementation. */ 56 switch (format) { 57 case PIPE_FORMAT_A8R8G8B8_UNORM: 58 return PIPE_FORMAT_B8G8R8A8_UNORM; 59 case PIPE_FORMAT_A8R8G8B8_SRGB: 60 return PIPE_FORMAT_B8G8R8A8_SRGB; 61 case PIPE_FORMAT_X8R8G8B8_UNORM: 62 return PIPE_FORMAT_B8G8R8X8_UNORM; 63 case PIPE_FORMAT_X8R8G8B8_SRGB: 64 return PIPE_FORMAT_B8G8R8X8_SRGB; 65 default: 66 return format; 67 } 68 } 69 70 static unsigned r300_get_endian_swap(enum pipe_format format) 71 { 72 const struct util_format_description *desc; 73 unsigned swap_size; 74 75 if (r300_unbyteswap_array_format(format) != format) 76 return R300_SURF_DWORD_SWAP; 77 78 if (PIPE_ENDIAN_NATIVE != PIPE_ENDIAN_BIG) 79 return R300_SURF_NO_SWAP; 80 81 desc = util_format_description(format); 82 if (!desc) 83 return R300_SURF_NO_SWAP; 84 85 /* Compressed formats should be in the little endian format. */ 86 if (desc->block.width != 1 || desc->block.height != 1) 87 return R300_SURF_NO_SWAP; 88 89 swap_size = desc->is_array ? desc->channel[0].size : desc->block.bits; 90 91 switch (swap_size) { 92 default: /* shouldn't happen? */ 93 case 8: 94 return R300_SURF_NO_SWAP; 95 case 16: 96 return R300_SURF_WORD_SWAP; 97 case 32: 98 return R300_SURF_DWORD_SWAP; 99 } 100 } 101 102 unsigned r300_get_swizzle_combined(const unsigned char *swizzle_format, 103 const unsigned char *swizzle_view, 104 boolean dxtc_swizzle) 105 { 106 unsigned i; 107 unsigned char swizzle[4]; 108 unsigned result = 0; 109 const uint32_t swizzle_shift[4] = { 110 R300_TX_FORMAT_R_SHIFT, 111 R300_TX_FORMAT_G_SHIFT, 112 R300_TX_FORMAT_B_SHIFT, 113 R300_TX_FORMAT_A_SHIFT 114 }; 115 uint32_t swizzle_bit[4] = { 116 dxtc_swizzle ? R300_TX_FORMAT_Z : R300_TX_FORMAT_X, 117 R300_TX_FORMAT_Y, 118 dxtc_swizzle ? R300_TX_FORMAT_X : R300_TX_FORMAT_Z, 119 R300_TX_FORMAT_W 120 }; 121 122 if (swizzle_view) { 123 /* Combine two sets of swizzles. */ 124 util_format_compose_swizzles(swizzle_format, swizzle_view, swizzle); 125 } else { 126 memcpy(swizzle, swizzle_format, 4); 127 } 128 129 /* Get swizzle. */ 130 for (i = 0; i < 4; i++) { 131 switch (swizzle[i]) { 132 case PIPE_SWIZZLE_Y: 133 result |= swizzle_bit[1] << swizzle_shift[i]; 134 break; 135 case PIPE_SWIZZLE_Z: 136 result |= swizzle_bit[2] << swizzle_shift[i]; 137 break; 138 case PIPE_SWIZZLE_W: 139 result |= swizzle_bit[3] << swizzle_shift[i]; 140 break; 141 case PIPE_SWIZZLE_0: 142 result |= R300_TX_FORMAT_ZERO << swizzle_shift[i]; 143 break; 144 case PIPE_SWIZZLE_1: 145 result |= R300_TX_FORMAT_ONE << swizzle_shift[i]; 146 break; 147 default: /* PIPE_SWIZZLE_X */ 148 result |= swizzle_bit[0] << swizzle_shift[i]; 149 } 150 } 151 return result; 152 } 153 154 /* Translate a pipe_format into a useful texture format for sampling. 155 * 156 * Some special formats are translated directly using R300_EASY_TX_FORMAT, 157 * but the majority of them is translated in a generic way, automatically 158 * supporting all the formats hw can support. 159 * 160 * R300_EASY_TX_FORMAT swizzles the texture. 161 * Note the signature of R300_EASY_TX_FORMAT: 162 * R300_EASY_TX_FORMAT(B, G, R, A, FORMAT); 163 * 164 * The FORMAT specifies how the texture sampler will treat the texture, and 165 * makes available X, Y, Z, W, ZERO, and ONE for swizzling. */ 166 uint32_t r300_translate_texformat(enum pipe_format format, 167 const unsigned char *swizzle_view, 168 boolean is_r500, 169 boolean dxtc_swizzle) 170 { 171 uint32_t result = 0; 172 const struct util_format_description *desc; 173 unsigned i; 174 boolean uniform = TRUE; 175 const uint32_t sign_bit[4] = { 176 R300_TX_FORMAT_SIGNED_W, 177 R300_TX_FORMAT_SIGNED_Z, 178 R300_TX_FORMAT_SIGNED_Y, 179 R300_TX_FORMAT_SIGNED_X, 180 }; 181 182 format = r300_unbyteswap_array_format(format); 183 desc = util_format_description(format); 184 185 /* Colorspace (return non-RGB formats directly). */ 186 switch (desc->colorspace) { 187 /* Depth stencil formats. 188 * Swizzles are added in r300_merge_textures_and_samplers. */ 189 case UTIL_FORMAT_COLORSPACE_ZS: 190 switch (format) { 191 case PIPE_FORMAT_Z16_UNORM: 192 return R300_TX_FORMAT_X16; 193 case PIPE_FORMAT_X8Z24_UNORM: 194 case PIPE_FORMAT_S8_UINT_Z24_UNORM: 195 if (is_r500) 196 return R500_TX_FORMAT_Y8X24; 197 else 198 return R300_TX_FORMAT_Y16X16; 199 default: 200 return ~0; /* Unsupported. */ 201 } 202 203 /* YUV formats. */ 204 case UTIL_FORMAT_COLORSPACE_YUV: 205 result |= R300_TX_FORMAT_YUV_TO_RGB; 206 207 switch (format) { 208 case PIPE_FORMAT_UYVY: 209 return R300_EASY_TX_FORMAT(X, Y, Z, ONE, YVYU422) | result; 210 case PIPE_FORMAT_YUYV: 211 return R300_EASY_TX_FORMAT(X, Y, Z, ONE, VYUY422) | result; 212 default: 213 return ~0; /* Unsupported/unknown. */ 214 } 215 216 /* Add gamma correction. */ 217 case UTIL_FORMAT_COLORSPACE_SRGB: 218 result |= R300_TX_FORMAT_GAMMA; 219 break; 220 221 default: 222 switch (format) { 223 /* Same as YUV but without the YUR->RGB conversion. */ 224 case PIPE_FORMAT_R8G8_B8G8_UNORM: 225 return R300_EASY_TX_FORMAT(X, Y, Z, ONE, YVYU422) | result; 226 case PIPE_FORMAT_G8R8_G8B8_UNORM: 227 return R300_EASY_TX_FORMAT(X, Y, Z, ONE, VYUY422) | result; 228 default:; 229 } 230 } 231 232 /* Add swizzling. */ 233 /* The RGTC1_SNORM and LATC1_SNORM swizzle is done in the shader. */ 234 if (util_format_is_compressed(format) && 235 dxtc_swizzle && 236 format != PIPE_FORMAT_RGTC2_UNORM && 237 format != PIPE_FORMAT_RGTC2_SNORM && 238 format != PIPE_FORMAT_LATC2_UNORM && 239 format != PIPE_FORMAT_LATC2_SNORM && 240 format != PIPE_FORMAT_RGTC1_UNORM && 241 format != PIPE_FORMAT_RGTC1_SNORM && 242 format != PIPE_FORMAT_LATC1_UNORM && 243 format != PIPE_FORMAT_LATC1_SNORM) { 244 result |= r300_get_swizzle_combined(desc->swizzle, swizzle_view, 245 TRUE); 246 } else { 247 result |= r300_get_swizzle_combined(desc->swizzle, swizzle_view, 248 FALSE); 249 } 250 251 /* S3TC formats. */ 252 if (desc->layout == UTIL_FORMAT_LAYOUT_S3TC) { 253 switch (format) { 254 case PIPE_FORMAT_DXT1_RGB: 255 case PIPE_FORMAT_DXT1_RGBA: 256 case PIPE_FORMAT_DXT1_SRGB: 257 case PIPE_FORMAT_DXT1_SRGBA: 258 return R300_TX_FORMAT_DXT1 | result; 259 case PIPE_FORMAT_DXT3_RGBA: 260 case PIPE_FORMAT_DXT3_SRGBA: 261 return R300_TX_FORMAT_DXT3 | result; 262 case PIPE_FORMAT_DXT5_RGBA: 263 case PIPE_FORMAT_DXT5_SRGBA: 264 return R300_TX_FORMAT_DXT5 | result; 265 default: 266 return ~0; /* Unsupported/unknown. */ 267 } 268 } 269 270 /* RGTC formats. */ 271 if (desc->layout == UTIL_FORMAT_LAYOUT_RGTC) { 272 switch (format) { 273 case PIPE_FORMAT_RGTC1_SNORM: 274 case PIPE_FORMAT_LATC1_SNORM: 275 result |= sign_bit[0]; 276 case PIPE_FORMAT_LATC1_UNORM: 277 case PIPE_FORMAT_RGTC1_UNORM: 278 return R500_TX_FORMAT_ATI1N | result; 279 280 case PIPE_FORMAT_RGTC2_SNORM: 281 case PIPE_FORMAT_LATC2_SNORM: 282 result |= sign_bit[1] | sign_bit[0]; 283 case PIPE_FORMAT_RGTC2_UNORM: 284 case PIPE_FORMAT_LATC2_UNORM: 285 return R400_TX_FORMAT_ATI2N | result; 286 287 default: 288 return ~0; /* Unsupported/unknown. */ 289 } 290 } 291 292 /* This is truly a special format. 293 * It stores R8G8 and B is computed using sqrt(1 - R^2 - G^2) 294 * in the sampler unit. Also known as D3DFMT_CxV8U8. */ 295 if (format == PIPE_FORMAT_R8G8Bx_SNORM) { 296 return R300_TX_FORMAT_CxV8U8 | result; 297 } 298 299 /* Integer and fixed-point 16.16 textures are not supported. */ 300 for (i = 0; i < 4; i++) { 301 if (desc->channel[i].type == UTIL_FORMAT_TYPE_FIXED || 302 ((desc->channel[i].type == UTIL_FORMAT_TYPE_SIGNED || 303 desc->channel[i].type == UTIL_FORMAT_TYPE_UNSIGNED) && 304 (!desc->channel[i].normalized || 305 desc->channel[i].pure_integer))) { 306 return ~0; /* Unsupported/unknown. */ 307 } 308 } 309 310 /* Add sign. */ 311 for (i = 0; i < desc->nr_channels; i++) { 312 if (desc->channel[i].type == UTIL_FORMAT_TYPE_SIGNED) { 313 result |= sign_bit[i]; 314 } 315 } 316 317 /* See whether the components are of the same size. */ 318 for (i = 1; i < desc->nr_channels; i++) { 319 uniform = uniform && desc->channel[0].size == desc->channel[i].size; 320 } 321 322 /* Non-uniform formats. */ 323 if (!uniform) { 324 switch (desc->nr_channels) { 325 case 3: 326 if (desc->channel[0].size == 5 && 327 desc->channel[1].size == 6 && 328 desc->channel[2].size == 5) { 329 return R300_TX_FORMAT_Z5Y6X5 | result; 330 } 331 if (desc->channel[0].size == 5 && 332 desc->channel[1].size == 5 && 333 desc->channel[2].size == 6) { 334 return R300_TX_FORMAT_Z6Y5X5 | result; 335 } 336 if (desc->channel[0].size == 2 && 337 desc->channel[1].size == 3 && 338 desc->channel[2].size == 3) { 339 return R300_TX_FORMAT_Z3Y3X2 | result; 340 } 341 return ~0; /* Unsupported/unknown. */ 342 343 case 4: 344 if (desc->channel[0].size == 5 && 345 desc->channel[1].size == 5 && 346 desc->channel[2].size == 5 && 347 desc->channel[3].size == 1) { 348 return R300_TX_FORMAT_W1Z5Y5X5 | result; 349 } 350 if (desc->channel[0].size == 10 && 351 desc->channel[1].size == 10 && 352 desc->channel[2].size == 10 && 353 desc->channel[3].size == 2) { 354 return R300_TX_FORMAT_W2Z10Y10X10 | result; 355 } 356 } 357 return ~0; /* Unsupported/unknown. */ 358 } 359 360 /* Find the first non-VOID channel. */ 361 for (i = 0; i < 4; i++) { 362 if (desc->channel[i].type != UTIL_FORMAT_TYPE_VOID) { 363 break; 364 } 365 } 366 367 if (i == 4) 368 return ~0; /* Unsupported/unknown. */ 369 370 /* And finally, uniform formats. */ 371 switch (desc->channel[i].type) { 372 case UTIL_FORMAT_TYPE_UNSIGNED: 373 case UTIL_FORMAT_TYPE_SIGNED: 374 if (!desc->channel[i].normalized && 375 desc->colorspace != UTIL_FORMAT_COLORSPACE_SRGB) { 376 return ~0; 377 } 378 379 switch (desc->channel[i].size) { 380 case 4: 381 switch (desc->nr_channels) { 382 case 2: 383 return R300_TX_FORMAT_Y4X4 | result; 384 case 4: 385 return R300_TX_FORMAT_W4Z4Y4X4 | result; 386 } 387 return ~0; 388 389 case 8: 390 switch (desc->nr_channels) { 391 case 1: 392 return R300_TX_FORMAT_X8 | result; 393 case 2: 394 return R300_TX_FORMAT_Y8X8 | result; 395 case 4: 396 return R300_TX_FORMAT_W8Z8Y8X8 | result; 397 } 398 return ~0; 399 400 case 16: 401 switch (desc->nr_channels) { 402 case 1: 403 return R300_TX_FORMAT_X16 | result; 404 case 2: 405 return R300_TX_FORMAT_Y16X16 | result; 406 case 4: 407 return R300_TX_FORMAT_W16Z16Y16X16 | result; 408 } 409 } 410 return ~0; 411 412 case UTIL_FORMAT_TYPE_FLOAT: 413 switch (desc->channel[i].size) { 414 case 16: 415 switch (desc->nr_channels) { 416 case 1: 417 return R300_TX_FORMAT_16F | result; 418 case 2: 419 return R300_TX_FORMAT_16F_16F | result; 420 case 4: 421 return R300_TX_FORMAT_16F_16F_16F_16F | result; 422 } 423 return ~0; 424 425 case 32: 426 switch (desc->nr_channels) { 427 case 1: 428 return R300_TX_FORMAT_32F | result; 429 case 2: 430 return R300_TX_FORMAT_32F_32F | result; 431 case 4: 432 return R300_TX_FORMAT_32F_32F_32F_32F | result; 433 } 434 } 435 } 436 437 return ~0; /* Unsupported/unknown. */ 438 } 439 440 uint32_t r500_tx_format_msb_bit(enum pipe_format format) 441 { 442 switch (format) { 443 case PIPE_FORMAT_RGTC1_UNORM: 444 case PIPE_FORMAT_RGTC1_SNORM: 445 case PIPE_FORMAT_LATC1_UNORM: 446 case PIPE_FORMAT_LATC1_SNORM: 447 case PIPE_FORMAT_X8Z24_UNORM: 448 case PIPE_FORMAT_S8_UINT_Z24_UNORM: 449 return R500_TXFORMAT_MSB; 450 default: 451 return 0; 452 } 453 } 454 455 /* Buffer formats. */ 456 457 /* Colorbuffer formats. This is the unswizzled format of the RB3D block's 458 * output. For the swizzling of the targets, check the shader's format. */ 459 static uint32_t r300_translate_colorformat(enum pipe_format format) 460 { 461 format = r300_unbyteswap_array_format(format); 462 463 switch (format) { 464 /* 8-bit buffers. */ 465 case PIPE_FORMAT_A8_UNORM: 466 case PIPE_FORMAT_A8_SNORM: 467 case PIPE_FORMAT_I8_UNORM: 468 case PIPE_FORMAT_I8_SNORM: 469 case PIPE_FORMAT_L8_UNORM: 470 case PIPE_FORMAT_L8_SNORM: 471 case PIPE_FORMAT_R8_UNORM: 472 case PIPE_FORMAT_R8_SNORM: 473 return R300_COLOR_FORMAT_I8; 474 475 /* 16-bit buffers. */ 476 case PIPE_FORMAT_L8A8_UNORM: 477 case PIPE_FORMAT_L8A8_SNORM: 478 case PIPE_FORMAT_R8G8_UNORM: 479 case PIPE_FORMAT_R8G8_SNORM: 480 case PIPE_FORMAT_R8A8_UNORM: 481 case PIPE_FORMAT_R8A8_SNORM: 482 /* These formats work fine with UV88 if US_OUT_FMT is set correctly. */ 483 case PIPE_FORMAT_A16_UNORM: 484 case PIPE_FORMAT_A16_SNORM: 485 case PIPE_FORMAT_A16_FLOAT: 486 case PIPE_FORMAT_L16_UNORM: 487 case PIPE_FORMAT_L16_SNORM: 488 case PIPE_FORMAT_L16_FLOAT: 489 case PIPE_FORMAT_I16_UNORM: 490 case PIPE_FORMAT_I16_SNORM: 491 case PIPE_FORMAT_I16_FLOAT: 492 case PIPE_FORMAT_R16_UNORM: 493 case PIPE_FORMAT_R16_SNORM: 494 case PIPE_FORMAT_R16_FLOAT: 495 return R300_COLOR_FORMAT_UV88; 496 497 case PIPE_FORMAT_B5G6R5_UNORM: 498 return R300_COLOR_FORMAT_RGB565; 499 500 case PIPE_FORMAT_B5G5R5A1_UNORM: 501 case PIPE_FORMAT_B5G5R5X1_UNORM: 502 return R300_COLOR_FORMAT_ARGB1555; 503 504 case PIPE_FORMAT_B4G4R4A4_UNORM: 505 case PIPE_FORMAT_B4G4R4X4_UNORM: 506 return R300_COLOR_FORMAT_ARGB4444; 507 508 /* 32-bit buffers. */ 509 case PIPE_FORMAT_B8G8R8A8_UNORM: 510 /*case PIPE_FORMAT_B8G8R8A8_SNORM:*/ 511 case PIPE_FORMAT_B8G8R8X8_UNORM: 512 /*case PIPE_FORMAT_B8G8R8X8_SNORM:*/ 513 case PIPE_FORMAT_R8G8B8A8_UNORM: 514 case PIPE_FORMAT_R8G8B8A8_SNORM: 515 case PIPE_FORMAT_R8G8B8X8_UNORM: 516 case PIPE_FORMAT_R8G8B8X8_SNORM: 517 /* These formats work fine with ARGB8888 if US_OUT_FMT is set 518 * correctly. */ 519 case PIPE_FORMAT_R16G16_UNORM: 520 case PIPE_FORMAT_R16G16_SNORM: 521 case PIPE_FORMAT_R16G16_FLOAT: 522 case PIPE_FORMAT_L16A16_UNORM: 523 case PIPE_FORMAT_L16A16_SNORM: 524 case PIPE_FORMAT_L16A16_FLOAT: 525 case PIPE_FORMAT_R16A16_UNORM: 526 case PIPE_FORMAT_R16A16_SNORM: 527 case PIPE_FORMAT_R16A16_FLOAT: 528 case PIPE_FORMAT_A32_FLOAT: 529 case PIPE_FORMAT_L32_FLOAT: 530 case PIPE_FORMAT_I32_FLOAT: 531 case PIPE_FORMAT_R32_FLOAT: 532 return R300_COLOR_FORMAT_ARGB8888; 533 534 case PIPE_FORMAT_R10G10B10A2_UNORM: 535 case PIPE_FORMAT_R10G10B10X2_SNORM: 536 case PIPE_FORMAT_B10G10R10A2_UNORM: 537 case PIPE_FORMAT_B10G10R10X2_UNORM: 538 return R500_COLOR_FORMAT_ARGB2101010; /* R5xx-only? */ 539 540 /* 64-bit buffers. */ 541 case PIPE_FORMAT_R16G16B16A16_UNORM: 542 case PIPE_FORMAT_R16G16B16A16_SNORM: 543 case PIPE_FORMAT_R16G16B16A16_FLOAT: 544 case PIPE_FORMAT_R16G16B16X16_UNORM: 545 case PIPE_FORMAT_R16G16B16X16_SNORM: 546 case PIPE_FORMAT_R16G16B16X16_FLOAT: 547 /* These formats work fine with ARGB16161616 if US_OUT_FMT is set 548 * correctly. */ 549 case PIPE_FORMAT_R32G32_FLOAT: 550 case PIPE_FORMAT_L32A32_FLOAT: 551 case PIPE_FORMAT_R32A32_FLOAT: 552 return R300_COLOR_FORMAT_ARGB16161616; 553 554 /* 128-bit buffers. */ 555 case PIPE_FORMAT_R32G32B32A32_FLOAT: 556 case PIPE_FORMAT_R32G32B32X32_FLOAT: 557 return R300_COLOR_FORMAT_ARGB32323232; 558 559 /* YUV buffers. */ 560 case PIPE_FORMAT_UYVY: 561 return R300_COLOR_FORMAT_YVYU; 562 case PIPE_FORMAT_YUYV: 563 return R300_COLOR_FORMAT_VYUY; 564 default: 565 return ~0; /* Unsupported. */ 566 } 567 } 568 569 /* Depthbuffer and stencilbuffer. Thankfully, we only support two flavors. */ 570 static uint32_t r300_translate_zsformat(enum pipe_format format) 571 { 572 switch (format) { 573 /* 16-bit depth, no stencil */ 574 case PIPE_FORMAT_Z16_UNORM: 575 return R300_DEPTHFORMAT_16BIT_INT_Z; 576 /* 24-bit depth, ignored stencil */ 577 case PIPE_FORMAT_X8Z24_UNORM: 578 /* 24-bit depth, 8-bit stencil */ 579 case PIPE_FORMAT_S8_UINT_Z24_UNORM: 580 return R300_DEPTHFORMAT_24BIT_INT_Z_8BIT_STENCIL; 581 default: 582 return ~0; /* Unsupported. */ 583 } 584 } 585 586 /* Shader output formats. This is essentially the swizzle from the shader 587 * to the RB3D block. 588 * 589 * Note that formats are stored from C3 to C0. */ 590 static uint32_t r300_translate_out_fmt(enum pipe_format format) 591 { 592 uint32_t modifier = 0; 593 unsigned i; 594 const struct util_format_description *desc; 595 boolean uniform_sign; 596 597 format = r300_unbyteswap_array_format(format); 598 desc = util_format_description(format); 599 600 /* Find the first non-VOID channel. */ 601 for (i = 0; i < 4; i++) { 602 if (desc->channel[i].type != UTIL_FORMAT_TYPE_VOID) { 603 break; 604 } 605 } 606 607 if (i == 4) 608 return ~0; /* Unsupported/unknown. */ 609 610 /* Specifies how the shader output is written to the fog unit. */ 611 switch (desc->channel[i].type) { 612 case UTIL_FORMAT_TYPE_FLOAT: 613 switch (desc->channel[i].size) { 614 case 32: 615 switch (desc->nr_channels) { 616 case 1: 617 modifier |= R300_US_OUT_FMT_C_32_FP; 618 break; 619 case 2: 620 modifier |= R300_US_OUT_FMT_C2_32_FP; 621 break; 622 case 4: 623 modifier |= R300_US_OUT_FMT_C4_32_FP; 624 break; 625 } 626 break; 627 628 case 16: 629 switch (desc->nr_channels) { 630 case 1: 631 modifier |= R300_US_OUT_FMT_C_16_FP; 632 break; 633 case 2: 634 modifier |= R300_US_OUT_FMT_C2_16_FP; 635 break; 636 case 4: 637 modifier |= R300_US_OUT_FMT_C4_16_FP; 638 break; 639 } 640 break; 641 } 642 break; 643 644 default: 645 switch (desc->channel[i].size) { 646 case 16: 647 switch (desc->nr_channels) { 648 case 1: 649 modifier |= R300_US_OUT_FMT_C_16; 650 break; 651 case 2: 652 modifier |= R300_US_OUT_FMT_C2_16; 653 break; 654 case 4: 655 modifier |= R300_US_OUT_FMT_C4_16; 656 break; 657 } 658 break; 659 660 case 10: 661 modifier |= R300_US_OUT_FMT_C4_10; 662 break; 663 664 default: 665 /* C4_8 seems to be used for the formats whose pixel size 666 * is <= 32 bits. */ 667 modifier |= R300_US_OUT_FMT_C4_8; 668 break; 669 } 670 } 671 672 /* Add sign. */ 673 uniform_sign = TRUE; 674 for (i = 0; i < desc->nr_channels; i++) 675 if (desc->channel[i].type != UTIL_FORMAT_TYPE_SIGNED) 676 uniform_sign = FALSE; 677 678 if (uniform_sign) 679 modifier |= R300_OUT_SIGN(0xf); 680 681 /* Add swizzles and return. */ 682 switch (format) { 683 /*** Special cases (non-standard channel mapping) ***/ 684 685 /* X8 686 * COLORFORMAT_I8 stores the Z component (C2). */ 687 case PIPE_FORMAT_A8_UNORM: 688 case PIPE_FORMAT_A8_SNORM: 689 return modifier | R300_C2_SEL_A; 690 case PIPE_FORMAT_I8_UNORM: 691 case PIPE_FORMAT_I8_SNORM: 692 case PIPE_FORMAT_L8_UNORM: 693 case PIPE_FORMAT_L8_SNORM: 694 case PIPE_FORMAT_R8_UNORM: 695 case PIPE_FORMAT_R8_SNORM: 696 return modifier | R300_C2_SEL_R; 697 698 /* X8Y8 699 * COLORFORMAT_UV88 stores ZX (C2 and C0). */ 700 case PIPE_FORMAT_L8A8_SNORM: 701 case PIPE_FORMAT_L8A8_UNORM: 702 case PIPE_FORMAT_R8A8_SNORM: 703 case PIPE_FORMAT_R8A8_UNORM: 704 return modifier | R300_C0_SEL_A | R300_C2_SEL_R; 705 case PIPE_FORMAT_R8G8_SNORM: 706 case PIPE_FORMAT_R8G8_UNORM: 707 return modifier | R300_C0_SEL_G | R300_C2_SEL_R; 708 709 /* X32Y32 710 * ARGB16161616 stores XZ for RG32F */ 711 case PIPE_FORMAT_R32G32_FLOAT: 712 return modifier | R300_C0_SEL_R | R300_C2_SEL_G; 713 714 /*** Generic cases (standard channel mapping) ***/ 715 716 /* BGRA outputs. */ 717 case PIPE_FORMAT_B5G6R5_UNORM: 718 case PIPE_FORMAT_B5G5R5A1_UNORM: 719 case PIPE_FORMAT_B5G5R5X1_UNORM: 720 case PIPE_FORMAT_B4G4R4A4_UNORM: 721 case PIPE_FORMAT_B4G4R4X4_UNORM: 722 case PIPE_FORMAT_B8G8R8A8_UNORM: 723 /*case PIPE_FORMAT_B8G8R8A8_SNORM:*/ 724 case PIPE_FORMAT_B8G8R8X8_UNORM: 725 /*case PIPE_FORMAT_B8G8R8X8_SNORM:*/ 726 case PIPE_FORMAT_B10G10R10A2_UNORM: 727 case PIPE_FORMAT_B10G10R10X2_UNORM: 728 return modifier | 729 R300_C0_SEL_B | R300_C1_SEL_G | 730 R300_C2_SEL_R | R300_C3_SEL_A; 731 732 /* ARGB outputs. */ 733 case PIPE_FORMAT_A16_UNORM: 734 case PIPE_FORMAT_A16_SNORM: 735 case PIPE_FORMAT_A16_FLOAT: 736 case PIPE_FORMAT_A32_FLOAT: 737 return modifier | 738 R300_C0_SEL_A | R300_C1_SEL_R | 739 R300_C2_SEL_G | R300_C3_SEL_B; 740 741 /* RGBA outputs. */ 742 case PIPE_FORMAT_R8G8B8X8_UNORM: 743 case PIPE_FORMAT_R8G8B8X8_SNORM: 744 case PIPE_FORMAT_R8G8B8A8_UNORM: 745 case PIPE_FORMAT_R8G8B8A8_SNORM: 746 case PIPE_FORMAT_R10G10B10A2_UNORM: 747 case PIPE_FORMAT_R10G10B10X2_SNORM: 748 case PIPE_FORMAT_R16_UNORM: 749 case PIPE_FORMAT_R16G16_UNORM: 750 case PIPE_FORMAT_R16G16B16A16_UNORM: 751 case PIPE_FORMAT_R16_SNORM: 752 case PIPE_FORMAT_R16G16_SNORM: 753 case PIPE_FORMAT_R16G16B16A16_SNORM: 754 case PIPE_FORMAT_R16_FLOAT: 755 case PIPE_FORMAT_R16G16_FLOAT: 756 case PIPE_FORMAT_R16G16B16A16_FLOAT: 757 case PIPE_FORMAT_R32_FLOAT: 758 case PIPE_FORMAT_R32G32B32A32_FLOAT: 759 case PIPE_FORMAT_R32G32B32X32_FLOAT: 760 case PIPE_FORMAT_L16_UNORM: 761 case PIPE_FORMAT_L16_SNORM: 762 case PIPE_FORMAT_L16_FLOAT: 763 case PIPE_FORMAT_L32_FLOAT: 764 case PIPE_FORMAT_I16_UNORM: 765 case PIPE_FORMAT_I16_SNORM: 766 case PIPE_FORMAT_I16_FLOAT: 767 case PIPE_FORMAT_I32_FLOAT: 768 case PIPE_FORMAT_R16G16B16X16_UNORM: 769 case PIPE_FORMAT_R16G16B16X16_SNORM: 770 case PIPE_FORMAT_R16G16B16X16_FLOAT: 771 return modifier | 772 R300_C0_SEL_R | R300_C1_SEL_G | 773 R300_C2_SEL_B | R300_C3_SEL_A; 774 775 /* LA outputs. */ 776 case PIPE_FORMAT_L16A16_UNORM: 777 case PIPE_FORMAT_L16A16_SNORM: 778 case PIPE_FORMAT_L16A16_FLOAT: 779 case PIPE_FORMAT_R16A16_UNORM: 780 case PIPE_FORMAT_R16A16_SNORM: 781 case PIPE_FORMAT_R16A16_FLOAT: 782 case PIPE_FORMAT_L32A32_FLOAT: 783 case PIPE_FORMAT_R32A32_FLOAT: 784 return modifier | 785 R300_C0_SEL_R | R300_C1_SEL_A; 786 787 default: 788 return ~0; /* Unsupported. */ 789 } 790 } 791 792 static uint32_t r300_translate_colormask_swizzle(enum pipe_format format) 793 { 794 format = r300_unbyteswap_array_format(format); 795 796 switch (format) { 797 case PIPE_FORMAT_A8_UNORM: 798 case PIPE_FORMAT_A8_SNORM: 799 case PIPE_FORMAT_A16_UNORM: 800 case PIPE_FORMAT_A16_SNORM: 801 case PIPE_FORMAT_A16_FLOAT: 802 case PIPE_FORMAT_A32_FLOAT: 803 return COLORMASK_AAAA; 804 805 case PIPE_FORMAT_I8_UNORM: 806 case PIPE_FORMAT_I8_SNORM: 807 case PIPE_FORMAT_L8_UNORM: 808 case PIPE_FORMAT_L8_SNORM: 809 case PIPE_FORMAT_R8_UNORM: 810 case PIPE_FORMAT_R8_SNORM: 811 case PIPE_FORMAT_R32_FLOAT: 812 case PIPE_FORMAT_L32_FLOAT: 813 case PIPE_FORMAT_I32_FLOAT: 814 return COLORMASK_RRRR; 815 816 case PIPE_FORMAT_L8A8_SNORM: 817 case PIPE_FORMAT_L8A8_UNORM: 818 case PIPE_FORMAT_R8A8_UNORM: 819 case PIPE_FORMAT_R8A8_SNORM: 820 case PIPE_FORMAT_L16A16_UNORM: 821 case PIPE_FORMAT_L16A16_SNORM: 822 case PIPE_FORMAT_L16A16_FLOAT: 823 case PIPE_FORMAT_R16A16_UNORM: 824 case PIPE_FORMAT_R16A16_SNORM: 825 case PIPE_FORMAT_R16A16_FLOAT: 826 case PIPE_FORMAT_L32A32_FLOAT: 827 case PIPE_FORMAT_R32A32_FLOAT: 828 return COLORMASK_ARRA; 829 830 case PIPE_FORMAT_R8G8_SNORM: 831 case PIPE_FORMAT_R8G8_UNORM: 832 case PIPE_FORMAT_R16G16_UNORM: 833 case PIPE_FORMAT_R16G16_SNORM: 834 case PIPE_FORMAT_R16G16_FLOAT: 835 case PIPE_FORMAT_R32G32_FLOAT: 836 return COLORMASK_GRRG; 837 838 case PIPE_FORMAT_B5G5R5X1_UNORM: 839 case PIPE_FORMAT_B4G4R4X4_UNORM: 840 case PIPE_FORMAT_B8G8R8X8_UNORM: 841 /*case PIPE_FORMAT_B8G8R8X8_SNORM:*/ 842 case PIPE_FORMAT_B10G10R10X2_UNORM: 843 return COLORMASK_BGRX; 844 845 case PIPE_FORMAT_B5G6R5_UNORM: 846 case PIPE_FORMAT_B5G5R5A1_UNORM: 847 case PIPE_FORMAT_B4G4R4A4_UNORM: 848 case PIPE_FORMAT_B8G8R8A8_UNORM: 849 /*case PIPE_FORMAT_B8G8R8A8_SNORM:*/ 850 case PIPE_FORMAT_B10G10R10A2_UNORM: 851 return COLORMASK_BGRA; 852 853 case PIPE_FORMAT_R8G8B8X8_UNORM: 854 /* RGBX_SNORM formats are broken for an unknown reason */ 855 /*case PIPE_FORMAT_R8G8B8X8_SNORM:*/ 856 /*case PIPE_FORMAT_R10G10B10X2_SNORM:*/ 857 case PIPE_FORMAT_R16G16B16X16_UNORM: 858 /*case PIPE_FORMAT_R16G16B16X16_SNORM:*/ 859 case PIPE_FORMAT_R16G16B16X16_FLOAT: 860 case PIPE_FORMAT_R32G32B32X32_FLOAT: 861 return COLORMASK_RGBX; 862 863 case PIPE_FORMAT_R8G8B8A8_UNORM: 864 case PIPE_FORMAT_R8G8B8A8_SNORM: 865 case PIPE_FORMAT_R10G10B10A2_UNORM: 866 case PIPE_FORMAT_R16_UNORM: 867 case PIPE_FORMAT_R16G16B16A16_UNORM: 868 case PIPE_FORMAT_R16_SNORM: 869 case PIPE_FORMAT_R16G16B16A16_SNORM: 870 case PIPE_FORMAT_R16_FLOAT: 871 case PIPE_FORMAT_R16G16B16A16_FLOAT: 872 case PIPE_FORMAT_R32G32B32A32_FLOAT: 873 case PIPE_FORMAT_L16_UNORM: 874 case PIPE_FORMAT_L16_SNORM: 875 case PIPE_FORMAT_L16_FLOAT: 876 case PIPE_FORMAT_I16_UNORM: 877 case PIPE_FORMAT_I16_SNORM: 878 case PIPE_FORMAT_I16_FLOAT: 879 return COLORMASK_RGBA; 880 881 default: 882 return ~0; /* Unsupported. */ 883 } 884 } 885 886 boolean r300_is_colorbuffer_format_supported(enum pipe_format format) 887 { 888 return r300_translate_colorformat(format) != ~0 && 889 r300_translate_out_fmt(format) != ~0 && 890 r300_translate_colormask_swizzle(format) != ~0; 891 } 892 893 boolean r300_is_zs_format_supported(enum pipe_format format) 894 { 895 return r300_translate_zsformat(format) != ~0; 896 } 897 898 boolean r300_is_sampler_format_supported(enum pipe_format format) 899 { 900 return r300_translate_texformat(format, 0, TRUE, FALSE) != ~0; 901 } 902 903 void r300_texture_setup_format_state(struct r300_screen *screen, 904 struct r300_resource *tex, 905 enum pipe_format format, 906 unsigned level, 907 unsigned width0_override, 908 unsigned height0_override, 909 struct r300_texture_format_state *out) 910 { 911 struct pipe_resource *pt = &tex->b.b; 912 struct r300_texture_desc *desc = &tex->tex; 913 boolean is_r500 = screen->caps.is_r500; 914 unsigned width, height, depth; 915 unsigned txwidth, txheight, txdepth; 916 917 width = u_minify(width0_override, level); 918 height = u_minify(height0_override, level); 919 depth = u_minify(desc->depth0, level); 920 921 txwidth = (width - 1) & 0x7ff; 922 txheight = (height - 1) & 0x7ff; 923 txdepth = util_logbase2(depth) & 0xf; 924 925 /* Mask out all the fields we change. */ 926 out->format0 = 0; 927 out->format1 &= ~R300_TX_FORMAT_TEX_COORD_TYPE_MASK; 928 out->format2 &= R500_TXFORMAT_MSB; 929 out->tile_config = 0; 930 931 /* Set sampler state. */ 932 out->format0 = 933 R300_TX_WIDTH(txwidth) | 934 R300_TX_HEIGHT(txheight) | 935 R300_TX_DEPTH(txdepth); 936 937 if (desc->uses_stride_addressing) { 938 unsigned stride = 939 r300_stride_to_width(format, desc->stride_in_bytes[level]); 940 /* rectangles love this */ 941 out->format0 |= R300_TX_PITCH_EN; 942 out->format2 = (stride - 1) & 0x1fff; 943 } 944 945 if (pt->target == PIPE_TEXTURE_CUBE) { 946 out->format1 |= R300_TX_FORMAT_CUBIC_MAP; 947 } 948 if (pt->target == PIPE_TEXTURE_3D) { 949 out->format1 |= R300_TX_FORMAT_3D; 950 } 951 952 /* large textures on r500 */ 953 if (is_r500) 954 { 955 unsigned us_width = txwidth; 956 unsigned us_height = txheight; 957 unsigned us_depth = txdepth; 958 959 if (width > 2048) { 960 out->format2 |= R500_TXWIDTH_BIT11; 961 } 962 if (height > 2048) { 963 out->format2 |= R500_TXHEIGHT_BIT11; 964 } 965 966 /* The US_FORMAT register fixes an R500 TX addressing bug. 967 * Don't ask why it must be set like this. I don't know it either. */ 968 if (width > 2048) { 969 us_width = (0x000007FF + us_width) >> 1; 970 us_depth |= 0x0000000D; 971 } 972 if (height > 2048) { 973 us_height = (0x000007FF + us_height) >> 1; 974 us_depth |= 0x0000000E; 975 } 976 977 out->us_format0 = 978 R300_TX_WIDTH(us_width) | 979 R300_TX_HEIGHT(us_height) | 980 R300_TX_DEPTH(us_depth); 981 } 982 983 out->tile_config = R300_TXO_MACRO_TILE(desc->macrotile[level]) | 984 R300_TXO_MICRO_TILE(desc->microtile) | 985 R300_TXO_ENDIAN(r300_get_endian_swap(format)); 986 } 987 988 static void r300_texture_setup_fb_state(struct r300_surface *surf) 989 { 990 struct r300_resource *tex = r300_resource(surf->base.texture); 991 unsigned level = surf->base.u.tex.level; 992 unsigned stride = 993 r300_stride_to_width(surf->base.format, tex->tex.stride_in_bytes[level]); 994 995 /* Set framebuffer state. */ 996 if (util_format_is_depth_or_stencil(surf->base.format)) { 997 surf->pitch = 998 stride | 999 R300_DEPTHMACROTILE(tex->tex.macrotile[level]) | 1000 R300_DEPTHMICROTILE(tex->tex.microtile) | 1001 R300_DEPTHENDIAN(r300_get_endian_swap(surf->base.format)); 1002 surf->format = r300_translate_zsformat(surf->base.format); 1003 surf->pitch_zmask = tex->tex.zmask_stride_in_pixels[level]; 1004 surf->pitch_hiz = tex->tex.hiz_stride_in_pixels[level]; 1005 } else { 1006 enum pipe_format format = util_format_linear(surf->base.format); 1007 1008 surf->pitch = 1009 stride | 1010 r300_translate_colorformat(format) | 1011 R300_COLOR_TILE(tex->tex.macrotile[level]) | 1012 R300_COLOR_MICROTILE(tex->tex.microtile) | 1013 R300_COLOR_ENDIAN(r300_get_endian_swap(format)); 1014 surf->format = r300_translate_out_fmt(format); 1015 surf->colormask_swizzle = 1016 r300_translate_colormask_swizzle(format); 1017 surf->pitch_cmask = tex->tex.cmask_stride_in_pixels; 1018 } 1019 } 1020 1021 static void r300_texture_destroy(struct pipe_screen *screen, 1022 struct pipe_resource* texture) 1023 { 1024 struct r300_screen *rscreen = r300_screen(screen); 1025 struct r300_resource* tex = (struct r300_resource*)texture; 1026 1027 if (tex->tex.cmask_dwords) { 1028 mtx_lock(&rscreen->cmask_mutex); 1029 if (texture == rscreen->cmask_resource) { 1030 rscreen->cmask_resource = NULL; 1031 } 1032 mtx_unlock(&rscreen->cmask_mutex); 1033 } 1034 pb_reference(&tex->buf, NULL); 1035 FREE(tex); 1036 } 1037 1038 boolean r300_resource_get_handle(struct pipe_screen* screen, 1039 struct pipe_context *ctx, 1040 struct pipe_resource *texture, 1041 struct winsys_handle *whandle, 1042 unsigned usage) 1043 { 1044 struct radeon_winsys *rws = r300_screen(screen)->rws; 1045 struct r300_resource* tex = (struct r300_resource*)texture; 1046 1047 if (!tex) { 1048 return FALSE; 1049 } 1050 1051 return rws->buffer_get_handle(tex->buf, tex->tex.stride_in_bytes[0], 1052 0, 0, whandle); 1053 } 1054 1055 static const struct u_resource_vtbl r300_texture_vtbl = 1056 { 1057 NULL, /* get_handle */ 1058 r300_texture_destroy, /* resource_destroy */ 1059 r300_texture_transfer_map, /* transfer_map */ 1060 NULL, /* transfer_flush_region */ 1061 r300_texture_transfer_unmap, /* transfer_unmap */ 1062 }; 1063 1064 /* The common texture constructor. */ 1065 static struct r300_resource* 1066 r300_texture_create_object(struct r300_screen *rscreen, 1067 const struct pipe_resource *base, 1068 enum radeon_bo_layout microtile, 1069 enum radeon_bo_layout macrotile, 1070 unsigned stride_in_bytes_override, 1071 struct pb_buffer *buffer) 1072 { 1073 struct radeon_winsys *rws = rscreen->rws; 1074 struct r300_resource *tex = NULL; 1075 struct radeon_bo_metadata tiling = {}; 1076 1077 tex = CALLOC_STRUCT(r300_resource); 1078 if (!tex) { 1079 goto fail; 1080 } 1081 1082 pipe_reference_init(&tex->b.b.reference, 1); 1083 tex->b.b.screen = &rscreen->screen; 1084 tex->b.b.usage = base->usage; 1085 tex->b.b.bind = base->bind; 1086 tex->b.b.flags = base->flags; 1087 tex->b.vtbl = &r300_texture_vtbl; 1088 tex->tex.microtile = microtile; 1089 tex->tex.macrotile[0] = macrotile; 1090 tex->tex.stride_in_bytes_override = stride_in_bytes_override; 1091 tex->domain = (base->flags & R300_RESOURCE_FLAG_TRANSFER || 1092 base->usage == PIPE_USAGE_STAGING) ? RADEON_DOMAIN_GTT : 1093 base->nr_samples > 1 ? RADEON_DOMAIN_VRAM : 1094 RADEON_DOMAIN_VRAM | RADEON_DOMAIN_GTT; 1095 tex->buf = buffer; 1096 1097 r300_texture_desc_init(rscreen, tex, base); 1098 1099 /* Figure out the ideal placement for the texture.. */ 1100 if (tex->domain & RADEON_DOMAIN_VRAM && 1101 tex->tex.size_in_bytes >= rscreen->info.vram_size) { 1102 tex->domain &= ~RADEON_DOMAIN_VRAM; 1103 tex->domain |= RADEON_DOMAIN_GTT; 1104 } 1105 if (tex->domain & RADEON_DOMAIN_GTT && 1106 tex->tex.size_in_bytes >= rscreen->info.gart_size) { 1107 tex->domain &= ~RADEON_DOMAIN_GTT; 1108 } 1109 /* Just fail if the texture is too large. */ 1110 if (!tex->domain) { 1111 goto fail; 1112 } 1113 1114 /* Create the backing buffer if needed. */ 1115 if (!tex->buf) { 1116 tex->buf = rws->buffer_create(rws, tex->tex.size_in_bytes, 2048, 1117 tex->domain, RADEON_FLAG_NO_SUBALLOC); 1118 1119 if (!tex->buf) { 1120 goto fail; 1121 } 1122 } 1123 1124 if (SCREEN_DBG_ON(rscreen, DBG_MSAA) && base->nr_samples > 1) { 1125 fprintf(stderr, "r300: %ix MSAA %s buffer created\n", 1126 base->nr_samples, 1127 util_format_is_depth_or_stencil(base->format) ? "depth" : "color"); 1128 } 1129 1130 tiling.u.legacy.microtile = tex->tex.microtile; 1131 tiling.u.legacy.macrotile = tex->tex.macrotile[0]; 1132 tiling.u.legacy.stride = tex->tex.stride_in_bytes[0]; 1133 rws->buffer_set_metadata(tex->buf, &tiling); 1134 1135 return tex; 1136 1137 fail: 1138 FREE(tex); 1139 if (buffer) 1140 pb_reference(&buffer, NULL); 1141 return NULL; 1142 } 1143 1144 /* Create a new texture. */ 1145 struct pipe_resource *r300_texture_create(struct pipe_screen *screen, 1146 const struct pipe_resource *base) 1147 { 1148 struct r300_screen *rscreen = r300_screen(screen); 1149 enum radeon_bo_layout microtile, macrotile; 1150 1151 if ((base->flags & R300_RESOURCE_FLAG_TRANSFER) || 1152 (base->bind & (PIPE_BIND_SCANOUT | PIPE_BIND_LINEAR))) { 1153 microtile = RADEON_LAYOUT_LINEAR; 1154 macrotile = RADEON_LAYOUT_LINEAR; 1155 } else { 1156 /* This will make the texture_create_function select the layout. */ 1157 microtile = RADEON_LAYOUT_UNKNOWN; 1158 macrotile = RADEON_LAYOUT_UNKNOWN; 1159 } 1160 1161 return (struct pipe_resource*) 1162 r300_texture_create_object(rscreen, base, microtile, macrotile, 1163 0, NULL); 1164 } 1165 1166 struct pipe_resource *r300_texture_from_handle(struct pipe_screen *screen, 1167 const struct pipe_resource *base, 1168 struct winsys_handle *whandle, 1169 unsigned usage) 1170 { 1171 struct r300_screen *rscreen = r300_screen(screen); 1172 struct radeon_winsys *rws = rscreen->rws; 1173 struct pb_buffer *buffer; 1174 unsigned stride; 1175 struct radeon_bo_metadata tiling = {}; 1176 1177 /* Support only 2D textures without mipmaps */ 1178 if ((base->target != PIPE_TEXTURE_2D && 1179 base->target != PIPE_TEXTURE_RECT) || 1180 base->depth0 != 1 || 1181 base->last_level != 0) { 1182 return NULL; 1183 } 1184 1185 buffer = rws->buffer_from_handle(rws, whandle, &stride, NULL); 1186 if (!buffer) 1187 return NULL; 1188 1189 rws->buffer_get_metadata(buffer, &tiling); 1190 1191 /* Enforce a microtiled zbuffer. */ 1192 if (util_format_is_depth_or_stencil(base->format) && 1193 tiling.u.legacy.microtile == RADEON_LAYOUT_LINEAR) { 1194 switch (util_format_get_blocksize(base->format)) { 1195 case 4: 1196 tiling.u.legacy.microtile = RADEON_LAYOUT_TILED; 1197 break; 1198 1199 case 2: 1200 tiling.u.legacy.microtile = RADEON_LAYOUT_SQUARETILED; 1201 break; 1202 } 1203 } 1204 1205 return (struct pipe_resource*) 1206 r300_texture_create_object(rscreen, base, tiling.u.legacy.microtile, tiling.u.legacy.macrotile, 1207 stride, buffer); 1208 } 1209 1210 /* Not required to implement u_resource_vtbl, consider moving to another file: 1211 */ 1212 struct pipe_surface* r300_create_surface_custom(struct pipe_context * ctx, 1213 struct pipe_resource* texture, 1214 const struct pipe_surface *surf_tmpl, 1215 unsigned width0_override, 1216 unsigned height0_override) 1217 { 1218 struct r300_resource* tex = r300_resource(texture); 1219 struct r300_surface* surface = CALLOC_STRUCT(r300_surface); 1220 unsigned level = surf_tmpl->u.tex.level; 1221 1222 assert(surf_tmpl->u.tex.first_layer == surf_tmpl->u.tex.last_layer); 1223 1224 if (surface) { 1225 uint32_t offset, tile_height; 1226 1227 pipe_reference_init(&surface->base.reference, 1); 1228 pipe_resource_reference(&surface->base.texture, texture); 1229 surface->base.context = ctx; 1230 surface->base.format = surf_tmpl->format; 1231 surface->base.width = u_minify(width0_override, level); 1232 surface->base.height = u_minify(height0_override, level); 1233 surface->base.u.tex.level = level; 1234 surface->base.u.tex.first_layer = surf_tmpl->u.tex.first_layer; 1235 surface->base.u.tex.last_layer = surf_tmpl->u.tex.last_layer; 1236 1237 surface->buf = tex->buf; 1238 1239 /* Prefer VRAM if there are multiple domains to choose from. */ 1240 surface->domain = tex->domain; 1241 if (surface->domain & RADEON_DOMAIN_VRAM) 1242 surface->domain &= ~RADEON_DOMAIN_GTT; 1243 1244 surface->offset = r300_texture_get_offset(tex, level, 1245 surf_tmpl->u.tex.first_layer); 1246 r300_texture_setup_fb_state(surface); 1247 1248 /* Parameters for the CBZB clear. */ 1249 surface->cbzb_allowed = tex->tex.cbzb_allowed[level]; 1250 surface->cbzb_width = align(surface->base.width, 64); 1251 1252 /* Height must be aligned to the size of a tile. */ 1253 tile_height = r300_get_pixel_alignment(surface->base.format, 1254 tex->b.b.nr_samples, 1255 tex->tex.microtile, 1256 tex->tex.macrotile[level], 1257 DIM_HEIGHT, 0); 1258 1259 surface->cbzb_height = align((surface->base.height + 1) / 2, 1260 tile_height); 1261 1262 /* Offset must be aligned to 2K and must point at the beginning 1263 * of a scanline. */ 1264 offset = surface->offset + 1265 tex->tex.stride_in_bytes[level] * surface->cbzb_height; 1266 surface->cbzb_midpoint_offset = offset & ~2047; 1267 1268 surface->cbzb_pitch = surface->pitch & 0x1ffffc; 1269 1270 if (util_format_get_blocksizebits(surface->base.format) == 32) 1271 surface->cbzb_format = R300_DEPTHFORMAT_24BIT_INT_Z_8BIT_STENCIL; 1272 else 1273 surface->cbzb_format = R300_DEPTHFORMAT_16BIT_INT_Z; 1274 1275 DBG(r300_context(ctx), DBG_CBZB, 1276 "CBZB Allowed: %s, Dim: %ix%i, Misalignment: %i, Micro: %s, Macro: %s\n", 1277 surface->cbzb_allowed ? "YES" : " NO", 1278 surface->cbzb_width, surface->cbzb_height, 1279 offset & 2047, 1280 tex->tex.microtile ? "YES" : " NO", 1281 tex->tex.macrotile[level] ? "YES" : " NO"); 1282 } 1283 1284 return &surface->base; 1285 } 1286 1287 struct pipe_surface* r300_create_surface(struct pipe_context * ctx, 1288 struct pipe_resource* texture, 1289 const struct pipe_surface *surf_tmpl) 1290 { 1291 return r300_create_surface_custom(ctx, texture, surf_tmpl, 1292 texture->width0, 1293 texture->height0); 1294 } 1295 1296 /* Not required to implement u_resource_vtbl, consider moving to another file: 1297 */ 1298 void r300_surface_destroy(struct pipe_context *ctx, struct pipe_surface* s) 1299 { 1300 pipe_resource_reference(&s->texture, NULL); 1301 FREE(s); 1302 } 1303
