1 /************************************************************************** 2 * 3 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. 4 * All Rights Reserved. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the 8 * "Software"), to deal in the Software without restriction, including 9 * without limitation the rights to use, copy, modify, merge, publish, 10 * distribute, sub license, and/or sell copies of the Software, and to 11 * permit persons to whom the Software is furnished to do so, subject to 12 * the following conditions: 13 * 14 * The above copyright notice and this permission notice (including the 15 * next paragraph) shall be included in all copies or substantial portions 16 * of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR 22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 25 * 26 **************************************************************************/ 27 28 /** 29 * RGBA/float tile get/put functions. 30 * Usable both by drivers and state trackers. 31 */ 32 33 34 #include "pipe/p_defines.h" 35 #include "util/u_inlines.h" 36 37 #include "util/u_format.h" 38 #include "util/u_math.h" 39 #include "util/u_memory.h" 40 #include "util/u_rect.h" 41 #include "util/u_tile.h" 42 43 44 /** 45 * Move raw block of pixels from transfer object to user memory. 46 */ 47 void 48 pipe_get_tile_raw(struct pipe_context *pipe, 49 struct pipe_transfer *pt, 50 uint x, uint y, uint w, uint h, 51 void *dst, int dst_stride) 52 { 53 const void *src; 54 55 if (dst_stride == 0) 56 dst_stride = util_format_get_stride(pt->resource->format, w); 57 58 if (u_clip_tile(x, y, &w, &h, &pt->box)) 59 return; 60 61 src = pipe->transfer_map(pipe, pt); 62 assert(src); 63 if(!src) 64 return; 65 66 util_copy_rect(dst, pt->resource->format, dst_stride, 0, 0, w, h, src, pt->stride, x, y); 67 68 pipe->transfer_unmap(pipe, pt); 69 } 70 71 72 /** 73 * Move raw block of pixels from user memory to transfer object. 74 */ 75 void 76 pipe_put_tile_raw(struct pipe_context *pipe, 77 struct pipe_transfer *pt, 78 uint x, uint y, uint w, uint h, 79 const void *src, int src_stride) 80 { 81 void *dst; 82 enum pipe_format format = pt->resource->format; 83 84 if (src_stride == 0) 85 src_stride = util_format_get_stride(format, w); 86 87 if (u_clip_tile(x, y, &w, &h, &pt->box)) 88 return; 89 90 dst = pipe->transfer_map(pipe, pt); 91 assert(dst); 92 if(!dst) 93 return; 94 95 util_copy_rect(dst, format, pt->stride, x, y, w, h, src, src_stride, 0, 0); 96 97 pipe->transfer_unmap(pipe, pt); 98 } 99 100 101 102 103 /** Convert short in [-32768,32767] to GLfloat in [-1.0,1.0] */ 104 #define SHORT_TO_FLOAT(S) ((2.0F * (S) + 1.0F) * (1.0F/65535.0F)) 105 106 #define UNCLAMPED_FLOAT_TO_SHORT(us, f) \ 107 us = ( (short) ( CLAMP((f), -1.0, 1.0) * 32767.0F) ) 108 109 110 111 /*** PIPE_FORMAT_Z16_UNORM ***/ 112 113 /** 114 * Return each Z value as four floats in [0,1]. 115 */ 116 static void 117 z16_get_tile_rgba(const ushort *src, 118 unsigned w, unsigned h, 119 float *p, 120 unsigned dst_stride) 121 { 122 const float scale = 1.0f / 65535.0f; 123 unsigned i, j; 124 125 for (i = 0; i < h; i++) { 126 float *pRow = p; 127 for (j = 0; j < w; j++, pRow += 4) { 128 pRow[0] = 129 pRow[1] = 130 pRow[2] = 131 pRow[3] = *src++ * scale; 132 } 133 p += dst_stride; 134 } 135 } 136 137 138 139 140 /*** PIPE_FORMAT_Z32_UNORM ***/ 141 142 /** 143 * Return each Z value as four floats in [0,1]. 144 */ 145 static void 146 z32_get_tile_rgba(const unsigned *src, 147 unsigned w, unsigned h, 148 float *p, 149 unsigned dst_stride) 150 { 151 const double scale = 1.0 / (double) 0xffffffff; 152 unsigned i, j; 153 154 for (i = 0; i < h; i++) { 155 float *pRow = p; 156 for (j = 0; j < w; j++, pRow += 4) { 157 pRow[0] = 158 pRow[1] = 159 pRow[2] = 160 pRow[3] = (float) (*src++ * scale); 161 } 162 p += dst_stride; 163 } 164 } 165 166 167 /*** PIPE_FORMAT_Z24_UNORM_S8_UINT ***/ 168 169 /** 170 * Return Z component as four float in [0,1]. Stencil part ignored. 171 */ 172 static void 173 s8z24_get_tile_rgba(const unsigned *src, 174 unsigned w, unsigned h, 175 float *p, 176 unsigned dst_stride) 177 { 178 const double scale = 1.0 / ((1 << 24) - 1); 179 unsigned i, j; 180 181 for (i = 0; i < h; i++) { 182 float *pRow = p; 183 for (j = 0; j < w; j++, pRow += 4) { 184 pRow[0] = 185 pRow[1] = 186 pRow[2] = 187 pRow[3] = (float) (scale * (*src++ & 0xffffff)); 188 } 189 p += dst_stride; 190 } 191 } 192 193 194 /*** PIPE_FORMAT_S8_UINT_Z24_UNORM ***/ 195 196 /** 197 * Return Z component as four float in [0,1]. Stencil part ignored. 198 */ 199 static void 200 z24s8_get_tile_rgba(const unsigned *src, 201 unsigned w, unsigned h, 202 float *p, 203 unsigned dst_stride) 204 { 205 const double scale = 1.0 / ((1 << 24) - 1); 206 unsigned i, j; 207 208 for (i = 0; i < h; i++) { 209 float *pRow = p; 210 for (j = 0; j < w; j++, pRow += 4) { 211 pRow[0] = 212 pRow[1] = 213 pRow[2] = 214 pRow[3] = (float) (scale * (*src++ >> 8)); 215 } 216 p += dst_stride; 217 } 218 } 219 220 /*** PIPE_FORMAT_S8X24_UINT ***/ 221 222 /** 223 * Return S component as four uint32_t in [0..255]. Z part ignored. 224 */ 225 static void 226 s8x24_get_tile_rgba(const unsigned *src, 227 unsigned w, unsigned h, 228 float *p, 229 unsigned dst_stride) 230 { 231 unsigned i, j; 232 233 for (i = 0; i < h; i++) { 234 float *pRow = p; 235 236 for (j = 0; j < w; j++, pRow += 4) { 237 pRow[0] = 238 pRow[1] = 239 pRow[2] = 240 pRow[3] = (float)((*src++ >> 24) & 0xff); 241 } 242 243 p += dst_stride; 244 } 245 } 246 247 /*** PIPE_FORMAT_X24S8_UINT ***/ 248 249 /** 250 * Return S component as four uint32_t in [0..255]. Z part ignored. 251 */ 252 static void 253 x24s8_get_tile_rgba(const unsigned *src, 254 unsigned w, unsigned h, 255 float *p, 256 unsigned dst_stride) 257 { 258 unsigned i, j; 259 260 for (i = 0; i < h; i++) { 261 float *pRow = p; 262 for (j = 0; j < w; j++, pRow += 4) { 263 pRow[0] = 264 pRow[1] = 265 pRow[2] = 266 pRow[3] = (float)(*src++ & 0xff); 267 } 268 p += dst_stride; 269 } 270 } 271 272 273 /** 274 * Return S component as four uint32_t in [0..255]. Z part ignored. 275 */ 276 static void 277 s8_get_tile_rgba(const unsigned char *src, 278 unsigned w, unsigned h, 279 float *p, 280 unsigned dst_stride) 281 { 282 unsigned i, j; 283 284 for (i = 0; i < h; i++) { 285 float *pRow = p; 286 for (j = 0; j < w; j++, pRow += 4) { 287 pRow[0] = 288 pRow[1] = 289 pRow[2] = 290 pRow[3] = (float)(*src++ & 0xff); 291 } 292 p += dst_stride; 293 } 294 } 295 296 /*** PIPE_FORMAT_Z32_FLOAT ***/ 297 298 /** 299 * Return each Z value as four floats in [0,1]. 300 */ 301 static void 302 z32f_get_tile_rgba(const float *src, 303 unsigned w, unsigned h, 304 float *p, 305 unsigned dst_stride) 306 { 307 unsigned i, j; 308 309 for (i = 0; i < h; i++) { 310 float *pRow = p; 311 for (j = 0; j < w; j++, pRow += 4) { 312 pRow[0] = 313 pRow[1] = 314 pRow[2] = 315 pRow[3] = *src++; 316 } 317 p += dst_stride; 318 } 319 } 320 321 /*** PIPE_FORMAT_Z32_FLOAT_S8X24_UINT ***/ 322 323 /** 324 * Return each Z value as four floats in [0,1]. 325 */ 326 static void 327 z32f_x24s8_get_tile_rgba(const float *src, 328 unsigned w, unsigned h, 329 float *p, 330 unsigned dst_stride) 331 { 332 unsigned i, j; 333 334 for (i = 0; i < h; i++) { 335 float *pRow = p; 336 for (j = 0; j < w; j++, pRow += 4) { 337 pRow[0] = 338 pRow[1] = 339 pRow[2] = 340 pRow[3] = *src; 341 src += 2; 342 } 343 p += dst_stride; 344 } 345 } 346 347 /*** PIPE_FORMAT_X32_S8X24_UINT ***/ 348 349 /** 350 * Return S component as four uint32_t in [0..255]. Z part ignored. 351 */ 352 static void 353 x32_s8_get_tile_rgba(const unsigned *src, 354 unsigned w, unsigned h, 355 float *p, 356 unsigned dst_stride) 357 { 358 unsigned i, j; 359 360 for (i = 0; i < h; i++) { 361 float *pRow = p; 362 for (j = 0; j < w; j++, pRow += 4) { 363 src++; 364 pRow[0] = 365 pRow[1] = 366 pRow[2] = 367 pRow[3] = (float)(*src++ & 0xff); 368 } 369 p += dst_stride; 370 } 371 } 372 373 void 374 pipe_tile_raw_to_rgba(enum pipe_format format, 375 void *src, 376 uint w, uint h, 377 float *dst, unsigned dst_stride) 378 { 379 switch (format) { 380 case PIPE_FORMAT_Z16_UNORM: 381 z16_get_tile_rgba((ushort *) src, w, h, dst, dst_stride); 382 break; 383 case PIPE_FORMAT_Z32_UNORM: 384 z32_get_tile_rgba((unsigned *) src, w, h, dst, dst_stride); 385 break; 386 case PIPE_FORMAT_Z24_UNORM_S8_UINT: 387 case PIPE_FORMAT_Z24X8_UNORM: 388 s8z24_get_tile_rgba((unsigned *) src, w, h, dst, dst_stride); 389 break; 390 case PIPE_FORMAT_S8_UINT: 391 s8_get_tile_rgba((unsigned char *) src, w, h, dst, dst_stride); 392 break; 393 case PIPE_FORMAT_X24S8_UINT: 394 s8x24_get_tile_rgba((unsigned *) src, w, h, dst, dst_stride); 395 break; 396 case PIPE_FORMAT_S8_UINT_Z24_UNORM: 397 case PIPE_FORMAT_X8Z24_UNORM: 398 z24s8_get_tile_rgba((unsigned *) src, w, h, dst, dst_stride); 399 break; 400 case PIPE_FORMAT_S8X24_UINT: 401 x24s8_get_tile_rgba((unsigned *) src, w, h, dst, dst_stride); 402 break; 403 case PIPE_FORMAT_Z32_FLOAT: 404 z32f_get_tile_rgba((float *) src, w, h, dst, dst_stride); 405 break; 406 case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT: 407 z32f_x24s8_get_tile_rgba((float *) src, w, h, dst, dst_stride); 408 break; 409 case PIPE_FORMAT_X32_S8X24_UINT: 410 x32_s8_get_tile_rgba((unsigned *) src, w, h, dst, dst_stride); 411 break; 412 default: 413 util_format_read_4f(format, 414 dst, dst_stride * sizeof(float), 415 src, util_format_get_stride(format, w), 416 0, 0, w, h); 417 } 418 } 419 420 void 421 pipe_tile_raw_to_unsigned(enum pipe_format format, 422 void *src, 423 uint w, uint h, 424 unsigned *dst, unsigned dst_stride) 425 { 426 util_format_read_4ui(format, 427 dst, dst_stride * sizeof(float), 428 src, util_format_get_stride(format, w), 429 0, 0, w, h); 430 } 431 432 void 433 pipe_tile_raw_to_signed(enum pipe_format format, 434 void *src, 435 uint w, uint h, 436 int *dst, unsigned dst_stride) 437 { 438 util_format_read_4i(format, 439 dst, dst_stride * sizeof(float), 440 src, util_format_get_stride(format, w), 441 0, 0, w, h); 442 } 443 444 void 445 pipe_get_tile_rgba(struct pipe_context *pipe, 446 struct pipe_transfer *pt, 447 uint x, uint y, uint w, uint h, 448 float *p) 449 { 450 pipe_get_tile_rgba_format(pipe, pt, x, y, w, h, pt->resource->format, p); 451 } 452 453 454 void 455 pipe_get_tile_rgba_format(struct pipe_context *pipe, 456 struct pipe_transfer *pt, 457 uint x, uint y, uint w, uint h, 458 enum pipe_format format, 459 float *p) 460 { 461 unsigned dst_stride = w * 4; 462 void *packed; 463 464 if (u_clip_tile(x, y, &w, &h, &pt->box)) { 465 return; 466 } 467 468 packed = MALLOC(util_format_get_nblocks(format, w, h) * util_format_get_blocksize(format)); 469 if (!packed) { 470 return; 471 } 472 473 if (format == PIPE_FORMAT_UYVY || format == PIPE_FORMAT_YUYV) { 474 assert((x & 1) == 0); 475 } 476 477 pipe_get_tile_raw(pipe, pt, x, y, w, h, packed, 0); 478 479 pipe_tile_raw_to_rgba(format, packed, w, h, p, dst_stride); 480 481 FREE(packed); 482 } 483 484 485 void 486 pipe_put_tile_rgba(struct pipe_context *pipe, 487 struct pipe_transfer *pt, 488 uint x, uint y, uint w, uint h, 489 const float *p) 490 { 491 pipe_put_tile_rgba_format(pipe, pt, x, y, w, h, pt->resource->format, p); 492 } 493 494 495 void 496 pipe_put_tile_rgba_format(struct pipe_context *pipe, 497 struct pipe_transfer *pt, 498 uint x, uint y, uint w, uint h, 499 enum pipe_format format, 500 const float *p) 501 { 502 unsigned src_stride = w * 4; 503 void *packed; 504 505 if (u_clip_tile(x, y, &w, &h, &pt->box)) 506 return; 507 508 packed = MALLOC(util_format_get_nblocks(format, w, h) * util_format_get_blocksize(format)); 509 510 if (!packed) 511 return; 512 513 switch (format) { 514 case PIPE_FORMAT_Z16_UNORM: 515 /*z16_put_tile_rgba((ushort *) packed, w, h, p, src_stride);*/ 516 break; 517 case PIPE_FORMAT_Z32_UNORM: 518 /*z32_put_tile_rgba((unsigned *) packed, w, h, p, src_stride);*/ 519 break; 520 case PIPE_FORMAT_Z24_UNORM_S8_UINT: 521 case PIPE_FORMAT_Z24X8_UNORM: 522 /*s8z24_put_tile_rgba((unsigned *) packed, w, h, p, src_stride);*/ 523 break; 524 case PIPE_FORMAT_S8_UINT_Z24_UNORM: 525 case PIPE_FORMAT_X8Z24_UNORM: 526 /*z24s8_put_tile_rgba((unsigned *) packed, w, h, p, src_stride);*/ 527 break; 528 case PIPE_FORMAT_Z32_FLOAT: 529 /*z32f_put_tile_rgba((unsigned *) packed, w, h, p, src_stride);*/ 530 break; 531 case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT: 532 /*z32f_s8x24_put_tile_rgba((unsigned *) packed, w, h, p, src_stride);*/ 533 break; 534 default: 535 util_format_write_4f(format, 536 p, src_stride * sizeof(float), 537 packed, util_format_get_stride(format, w), 538 0, 0, w, h); 539 } 540 541 pipe_put_tile_raw(pipe, pt, x, y, w, h, packed, 0); 542 543 FREE(packed); 544 } 545 546 void 547 pipe_put_tile_i_format(struct pipe_context *pipe, 548 struct pipe_transfer *pt, 549 uint x, uint y, uint w, uint h, 550 enum pipe_format format, 551 const int *p) 552 { 553 unsigned src_stride = w * 4; 554 void *packed; 555 556 if (u_clip_tile(x, y, &w, &h, &pt->box)) 557 return; 558 559 packed = MALLOC(util_format_get_nblocks(format, w, h) * util_format_get_blocksize(format)); 560 561 if (!packed) 562 return; 563 564 util_format_write_4i(format, 565 p, src_stride * sizeof(float), 566 packed, util_format_get_stride(format, w), 567 0, 0, w, h); 568 569 pipe_put_tile_raw(pipe, pt, x, y, w, h, packed, 0); 570 571 FREE(packed); 572 } 573 574 void 575 pipe_put_tile_ui_format(struct pipe_context *pipe, 576 struct pipe_transfer *pt, 577 uint x, uint y, uint w, uint h, 578 enum pipe_format format, 579 const unsigned int *p) 580 { 581 unsigned src_stride = w * 4; 582 void *packed; 583 584 if (u_clip_tile(x, y, &w, &h, &pt->box)) 585 return; 586 587 packed = MALLOC(util_format_get_nblocks(format, w, h) * util_format_get_blocksize(format)); 588 589 if (!packed) 590 return; 591 592 util_format_write_4ui(format, 593 p, src_stride * sizeof(float), 594 packed, util_format_get_stride(format, w), 595 0, 0, w, h); 596 597 pipe_put_tile_raw(pipe, pt, x, y, w, h, packed, 0); 598 599 FREE(packed); 600 } 601 602 /** 603 * Get a block of Z values, converted to 32-bit range. 604 */ 605 void 606 pipe_get_tile_z(struct pipe_context *pipe, 607 struct pipe_transfer *pt, 608 uint x, uint y, uint w, uint h, 609 uint *z) 610 { 611 const uint dstStride = w; 612 ubyte *map; 613 uint *pDest = z; 614 uint i, j; 615 enum pipe_format format = pt->resource->format; 616 617 if (u_clip_tile(x, y, &w, &h, &pt->box)) 618 return; 619 620 map = (ubyte *)pipe->transfer_map(pipe, pt); 621 if (!map) { 622 assert(0); 623 return; 624 } 625 626 switch (format) { 627 case PIPE_FORMAT_Z32_UNORM: 628 { 629 const uint *ptrc 630 = (const uint *)(map + y * pt->stride + x*4); 631 for (i = 0; i < h; i++) { 632 memcpy(pDest, ptrc, 4 * w); 633 pDest += dstStride; 634 ptrc += pt->stride/4; 635 } 636 } 637 break; 638 case PIPE_FORMAT_Z24_UNORM_S8_UINT: 639 case PIPE_FORMAT_Z24X8_UNORM: 640 { 641 const uint *ptrc 642 = (const uint *)(map + y * pt->stride + x*4); 643 for (i = 0; i < h; i++) { 644 for (j = 0; j < w; j++) { 645 /* convert 24-bit Z to 32-bit Z */ 646 pDest[j] = (ptrc[j] << 8) | ((ptrc[j] >> 16) & 0xff); 647 } 648 pDest += dstStride; 649 ptrc += pt->stride/4; 650 } 651 } 652 break; 653 case PIPE_FORMAT_S8_UINT_Z24_UNORM: 654 case PIPE_FORMAT_X8Z24_UNORM: 655 { 656 const uint *ptrc 657 = (const uint *)(map + y * pt->stride + x*4); 658 for (i = 0; i < h; i++) { 659 for (j = 0; j < w; j++) { 660 /* convert 24-bit Z to 32-bit Z */ 661 pDest[j] = (ptrc[j] & 0xffffff00) | ((ptrc[j] >> 24) & 0xff); 662 } 663 pDest += dstStride; 664 ptrc += pt->stride/4; 665 } 666 } 667 break; 668 case PIPE_FORMAT_Z16_UNORM: 669 { 670 const ushort *ptrc 671 = (const ushort *)(map + y * pt->stride + x*2); 672 for (i = 0; i < h; i++) { 673 for (j = 0; j < w; j++) { 674 /* convert 16-bit Z to 32-bit Z */ 675 pDest[j] = (ptrc[j] << 16) | ptrc[j]; 676 } 677 pDest += dstStride; 678 ptrc += pt->stride/2; 679 } 680 } 681 break; 682 case PIPE_FORMAT_Z32_FLOAT: 683 { 684 const float *ptrc = (const float *)(map + y * pt->stride + x*4); 685 for (i = 0; i < h; i++) { 686 for (j = 0; j < w; j++) { 687 /* convert float Z to 32-bit Z */ 688 if (ptrc[j] <= 0.0) { 689 pDest[j] = 0; 690 } 691 else if (ptrc[j] >= 1.0) { 692 pDest[j] = 0xffffffff; 693 } 694 else { 695 double z = ptrc[j] * 0xffffffff; 696 pDest[j] = (uint) z; 697 } 698 } 699 pDest += dstStride; 700 ptrc += pt->stride/4; 701 } 702 } 703 break; 704 case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT: 705 { 706 const float *ptrc = (const float *)(map + y * pt->stride + x*8); 707 for (i = 0; i < h; i++) { 708 for (j = 0; j < w; j++) { 709 /* convert float Z to 32-bit Z */ 710 if (ptrc[j] <= 0.0) { 711 pDest[j*2] = 0; 712 } 713 else if (ptrc[j] >= 1.0) { 714 pDest[j*2] = 0xffffffff; 715 } 716 else { 717 double z = ptrc[j] * 0xffffffff; 718 pDest[j*2] = (uint) z; 719 } 720 } 721 pDest += dstStride; 722 ptrc += pt->stride/4; 723 } 724 } 725 break; 726 default: 727 assert(0); 728 } 729 730 pipe->transfer_unmap(pipe, pt); 731 } 732 733 734 void 735 pipe_put_tile_z(struct pipe_context *pipe, 736 struct pipe_transfer *pt, 737 uint x, uint y, uint w, uint h, 738 const uint *zSrc) 739 { 740 const uint srcStride = w; 741 const uint *ptrc = zSrc; 742 ubyte *map; 743 uint i, j; 744 enum pipe_format format = pt->resource->format; 745 746 if (u_clip_tile(x, y, &w, &h, &pt->box)) 747 return; 748 749 map = (ubyte *)pipe->transfer_map(pipe, pt); 750 if (!map) { 751 assert(0); 752 return; 753 } 754 755 switch (format) { 756 case PIPE_FORMAT_Z32_UNORM: 757 { 758 uint *pDest = (uint *) (map + y * pt->stride + x*4); 759 for (i = 0; i < h; i++) { 760 memcpy(pDest, ptrc, 4 * w); 761 pDest += pt->stride/4; 762 ptrc += srcStride; 763 } 764 } 765 break; 766 case PIPE_FORMAT_Z24_UNORM_S8_UINT: 767 { 768 uint *pDest = (uint *) (map + y * pt->stride + x*4); 769 /*assert((pt->usage & PIPE_TRANSFER_READ_WRITE) == PIPE_TRANSFER_READ_WRITE);*/ 770 for (i = 0; i < h; i++) { 771 for (j = 0; j < w; j++) { 772 /* convert 32-bit Z to 24-bit Z, preserve stencil */ 773 pDest[j] = (pDest[j] & 0xff000000) | ptrc[j] >> 8; 774 } 775 pDest += pt->stride/4; 776 ptrc += srcStride; 777 } 778 } 779 break; 780 case PIPE_FORMAT_Z24X8_UNORM: 781 { 782 uint *pDest = (uint *) (map + y * pt->stride + x*4); 783 for (i = 0; i < h; i++) { 784 for (j = 0; j < w; j++) { 785 /* convert 32-bit Z to 24-bit Z (0 stencil) */ 786 pDest[j] = ptrc[j] >> 8; 787 } 788 pDest += pt->stride/4; 789 ptrc += srcStride; 790 } 791 } 792 break; 793 case PIPE_FORMAT_S8_UINT_Z24_UNORM: 794 { 795 uint *pDest = (uint *) (map + y * pt->stride + x*4); 796 /*assert((pt->usage & PIPE_TRANSFER_READ_WRITE) == PIPE_TRANSFER_READ_WRITE);*/ 797 for (i = 0; i < h; i++) { 798 for (j = 0; j < w; j++) { 799 /* convert 32-bit Z to 24-bit Z, preserve stencil */ 800 pDest[j] = (pDest[j] & 0xff) | (ptrc[j] & 0xffffff00); 801 } 802 pDest += pt->stride/4; 803 ptrc += srcStride; 804 } 805 } 806 break; 807 case PIPE_FORMAT_X8Z24_UNORM: 808 { 809 uint *pDest = (uint *) (map + y * pt->stride + x*4); 810 for (i = 0; i < h; i++) { 811 for (j = 0; j < w; j++) { 812 /* convert 32-bit Z to 24-bit Z (0 stencil) */ 813 pDest[j] = ptrc[j] & 0xffffff00; 814 } 815 pDest += pt->stride/4; 816 ptrc += srcStride; 817 } 818 } 819 break; 820 case PIPE_FORMAT_Z16_UNORM: 821 { 822 ushort *pDest = (ushort *) (map + y * pt->stride + x*2); 823 for (i = 0; i < h; i++) { 824 for (j = 0; j < w; j++) { 825 /* convert 32-bit Z to 16-bit Z */ 826 pDest[j] = ptrc[j] >> 16; 827 } 828 pDest += pt->stride/2; 829 ptrc += srcStride; 830 } 831 } 832 break; 833 case PIPE_FORMAT_Z32_FLOAT: 834 { 835 float *pDest = (float *) (map + y * pt->stride + x*4); 836 for (i = 0; i < h; i++) { 837 for (j = 0; j < w; j++) { 838 /* convert 32-bit integer Z to float Z */ 839 const double scale = 1.0 / 0xffffffffU; 840 pDest[j] = ptrc[j] * scale; 841 } 842 pDest += pt->stride/4; 843 ptrc += srcStride; 844 } 845 } 846 break; 847 case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT: 848 { 849 float *pDest = (float *) (map + y * pt->stride + x*8); 850 for (i = 0; i < h; i++) { 851 for (j = 0; j < w; j++) { 852 /* convert 32-bit integer Z to float Z */ 853 const double scale = 1.0 / 0xffffffffU; 854 pDest[j*2] = ptrc[j] * scale; 855 } 856 pDest += pt->stride/4; 857 ptrc += srcStride; 858 } 859 } 860 break; 861 default: 862 assert(0); 863 } 864 865 pipe->transfer_unmap(pipe, pt); 866 } 867 868 869 void 870 pipe_get_tile_ui_format(struct pipe_context *pipe, 871 struct pipe_transfer *pt, 872 uint x, uint y, uint w, uint h, 873 enum pipe_format format, 874 unsigned int *p) 875 { 876 unsigned dst_stride = w * 4; 877 void *packed; 878 879 if (u_clip_tile(x, y, &w, &h, &pt->box)) { 880 return; 881 } 882 883 packed = MALLOC(util_format_get_nblocks(format, w, h) * util_format_get_blocksize(format)); 884 if (!packed) { 885 return; 886 } 887 888 if (format == PIPE_FORMAT_UYVY || format == PIPE_FORMAT_YUYV) { 889 assert((x & 1) == 0); 890 } 891 892 pipe_get_tile_raw(pipe, pt, x, y, w, h, packed, 0); 893 894 pipe_tile_raw_to_unsigned(format, packed, w, h, p, dst_stride); 895 896 FREE(packed); 897 } 898 899 900 void 901 pipe_get_tile_i_format(struct pipe_context *pipe, 902 struct pipe_transfer *pt, 903 uint x, uint y, uint w, uint h, 904 enum pipe_format format, 905 int *p) 906 { 907 unsigned dst_stride = w * 4; 908 void *packed; 909 910 if (u_clip_tile(x, y, &w, &h, &pt->box)) { 911 return; 912 } 913 914 packed = MALLOC(util_format_get_nblocks(format, w, h) * util_format_get_blocksize(format)); 915 if (!packed) { 916 return; 917 } 918 919 if (format == PIPE_FORMAT_UYVY || format == PIPE_FORMAT_YUYV) { 920 assert((x & 1) == 0); 921 } 922 923 pipe_get_tile_raw(pipe, pt, x, y, w, h, packed, 0); 924 925 pipe_tile_raw_to_signed(format, packed, w, h, p, dst_stride); 926 927 FREE(packed); 928 } 929
