vc4_resource.c revision 01e04c3f
1/* 2 * Copyright © 2014 Broadcom 3 * Copyright (C) 2012 Rob Clark <robclark@freedesktop.org> 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 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 9 * and/or sell copies of the Software, and to permit persons to whom the 10 * 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 NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 22 * IN THE SOFTWARE. 23 */ 24 25#include "pipe/p_defines.h" 26#include "util/u_blit.h" 27#include "util/u_memory.h" 28#include "util/u_format.h" 29#include "util/u_inlines.h" 30#include "util/u_surface.h" 31#include "util/u_transfer_helper.h" 32#include "util/u_upload_mgr.h" 33 34#include "drm_fourcc.h" 35#include "vc4_drm.h" 36#include "vc4_screen.h" 37#include "vc4_context.h" 38#include "vc4_resource.h" 39#include "vc4_tiling.h" 40 41static bool 42vc4_resource_bo_alloc(struct vc4_resource *rsc) 43{ 44 struct pipe_resource *prsc = &rsc->base; 45 struct pipe_screen *pscreen = prsc->screen; 46 struct vc4_bo *bo; 47 48 if (vc4_debug & VC4_DEBUG_SURFACE) { 49 fprintf(stderr, "alloc %p: size %d + offset %d -> %d\n", 50 rsc, 51 rsc->slices[0].size, 52 rsc->slices[0].offset, 53 rsc->slices[0].offset + 54 rsc->slices[0].size + 55 rsc->cube_map_stride * (prsc->array_size - 1)); 56 } 57 58 bo = vc4_bo_alloc(vc4_screen(pscreen), 59 rsc->slices[0].offset + 60 rsc->slices[0].size + 61 rsc->cube_map_stride * (prsc->array_size - 1), 62 "resource"); 63 if (bo) { 64 vc4_bo_unreference(&rsc->bo); 65 rsc->bo = bo; 66 return true; 67 } else { 68 return false; 69 } 70} 71 72static void 73vc4_resource_transfer_unmap(struct pipe_context *pctx, 74 struct pipe_transfer *ptrans) 75{ 76 struct vc4_context *vc4 = vc4_context(pctx); 77 struct vc4_transfer *trans = vc4_transfer(ptrans); 78 79 if (trans->map) { 80 struct vc4_resource *rsc = vc4_resource(ptrans->resource); 81 struct vc4_resource_slice *slice = &rsc->slices[ptrans->level]; 82 83 if (ptrans->usage & PIPE_TRANSFER_WRITE) { 84 vc4_store_tiled_image(rsc->bo->map + slice->offset + 85 ptrans->box.z * rsc->cube_map_stride, 86 slice->stride, 87 trans->map, ptrans->stride, 88 slice->tiling, rsc->cpp, 89 &ptrans->box); 90 } 91 free(trans->map); 92 } 93 94 pipe_resource_reference(&ptrans->resource, NULL); 95 slab_free(&vc4->transfer_pool, ptrans); 96} 97 98static void * 99vc4_resource_transfer_map(struct pipe_context *pctx, 100 struct pipe_resource *prsc, 101 unsigned level, unsigned usage, 102 const struct pipe_box *box, 103 struct pipe_transfer **pptrans) 104{ 105 struct vc4_context *vc4 = vc4_context(pctx); 106 struct vc4_resource *rsc = vc4_resource(prsc); 107 struct vc4_transfer *trans; 108 struct pipe_transfer *ptrans; 109 enum pipe_format format = prsc->format; 110 char *buf; 111 112 /* Upgrade DISCARD_RANGE to WHOLE_RESOURCE if the whole resource is 113 * being mapped. 114 */ 115 if ((usage & PIPE_TRANSFER_DISCARD_RANGE) && 116 !(usage & PIPE_TRANSFER_UNSYNCHRONIZED) && 117 !(prsc->flags & PIPE_RESOURCE_FLAG_MAP_PERSISTENT) && 118 prsc->last_level == 0 && 119 prsc->width0 == box->width && 120 prsc->height0 == box->height && 121 prsc->depth0 == box->depth && 122 prsc->array_size == 1 && 123 rsc->bo->private) { 124 usage |= PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE; 125 } 126 127 if (usage & PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE) { 128 if (vc4_resource_bo_alloc(rsc)) { 129 /* If it might be bound as one of our vertex buffers, 130 * make sure we re-emit vertex buffer state. 131 */ 132 if (prsc->bind & PIPE_BIND_VERTEX_BUFFER) 133 vc4->dirty |= VC4_DIRTY_VTXBUF; 134 } else { 135 /* If we failed to reallocate, flush users so that we 136 * don't violate any syncing requirements. 137 */ 138 vc4_flush_jobs_reading_resource(vc4, prsc); 139 } 140 } else if (!(usage & PIPE_TRANSFER_UNSYNCHRONIZED)) { 141 /* If we're writing and the buffer is being used by the CL, we 142 * have to flush the CL first. If we're only reading, we need 143 * to flush if the CL has written our buffer. 144 */ 145 if (usage & PIPE_TRANSFER_WRITE) 146 vc4_flush_jobs_reading_resource(vc4, prsc); 147 else 148 vc4_flush_jobs_writing_resource(vc4, prsc); 149 } 150 151 if (usage & PIPE_TRANSFER_WRITE) { 152 rsc->writes++; 153 rsc->initialized_buffers = ~0; 154 } 155 156 trans = slab_alloc(&vc4->transfer_pool); 157 if (!trans) 158 return NULL; 159 160 /* XXX: Handle DONTBLOCK, DISCARD_RANGE, PERSISTENT, COHERENT. */ 161 162 /* slab_alloc_st() doesn't zero: */ 163 memset(trans, 0, sizeof(*trans)); 164 ptrans = &trans->base; 165 166 pipe_resource_reference(&ptrans->resource, prsc); 167 ptrans->level = level; 168 ptrans->usage = usage; 169 ptrans->box = *box; 170 171 if (usage & PIPE_TRANSFER_UNSYNCHRONIZED) 172 buf = vc4_bo_map_unsynchronized(rsc->bo); 173 else 174 buf = vc4_bo_map(rsc->bo); 175 if (!buf) { 176 fprintf(stderr, "Failed to map bo\n"); 177 goto fail; 178 } 179 180 *pptrans = ptrans; 181 182 struct vc4_resource_slice *slice = &rsc->slices[level]; 183 if (rsc->tiled) { 184 /* No direct mappings of tiled, since we need to manually 185 * tile/untile. 186 */ 187 if (usage & PIPE_TRANSFER_MAP_DIRECTLY) 188 return NULL; 189 190 if (format == PIPE_FORMAT_ETC1_RGB8) { 191 /* ETC1 is arranged as 64-bit blocks, where each block 192 * is 4x4 pixels. Texture tiling operates on the 193 * 64-bit block the way it would an uncompressed 194 * pixels. 195 */ 196 assert(!(ptrans->box.x & 3)); 197 assert(!(ptrans->box.y & 3)); 198 ptrans->box.x >>= 2; 199 ptrans->box.y >>= 2; 200 ptrans->box.width = (ptrans->box.width + 3) >> 2; 201 ptrans->box.height = (ptrans->box.height + 3) >> 2; 202 } 203 204 ptrans->stride = ptrans->box.width * rsc->cpp; 205 ptrans->layer_stride = ptrans->stride * ptrans->box.height; 206 207 trans->map = malloc(ptrans->layer_stride * ptrans->box.depth); 208 209 if (usage & PIPE_TRANSFER_READ) { 210 vc4_load_tiled_image(trans->map, ptrans->stride, 211 buf + slice->offset + 212 ptrans->box.z * rsc->cube_map_stride, 213 slice->stride, 214 slice->tiling, rsc->cpp, 215 &ptrans->box); 216 } 217 return trans->map; 218 } else { 219 ptrans->stride = slice->stride; 220 ptrans->layer_stride = ptrans->stride; 221 222 return buf + slice->offset + 223 ptrans->box.y / util_format_get_blockheight(format) * ptrans->stride + 224 ptrans->box.x / util_format_get_blockwidth(format) * rsc->cpp + 225 ptrans->box.z * rsc->cube_map_stride; 226 } 227 228 229fail: 230 vc4_resource_transfer_unmap(pctx, ptrans); 231 return NULL; 232} 233 234static void 235vc4_texture_subdata(struct pipe_context *pctx, 236 struct pipe_resource *prsc, 237 unsigned level, 238 unsigned usage, 239 const struct pipe_box *box, 240 const void *data, 241 unsigned stride, 242 unsigned layer_stride) 243{ 244 struct vc4_resource *rsc = vc4_resource(prsc); 245 struct vc4_resource_slice *slice = &rsc->slices[level]; 246 247 /* For a direct mapping, we can just take the u_transfer path. */ 248 if (!rsc->tiled || 249 box->depth != 1 || 250 (usage & PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE)) { 251 return u_default_texture_subdata(pctx, prsc, level, usage, box, 252 data, stride, layer_stride); 253 } 254 255 /* Otherwise, map and store the texture data directly into the tiled 256 * texture. 257 */ 258 void *buf; 259 if (usage & PIPE_TRANSFER_UNSYNCHRONIZED) 260 buf = vc4_bo_map_unsynchronized(rsc->bo); 261 else 262 buf = vc4_bo_map(rsc->bo); 263 264 vc4_store_tiled_image(buf + slice->offset + 265 box->z * rsc->cube_map_stride, 266 slice->stride, 267 (void *)data, stride, 268 slice->tiling, rsc->cpp, 269 box); 270} 271 272static void 273vc4_resource_destroy(struct pipe_screen *pscreen, 274 struct pipe_resource *prsc) 275{ 276 struct vc4_screen *screen = vc4_screen(pscreen); 277 struct vc4_resource *rsc = vc4_resource(prsc); 278 vc4_bo_unreference(&rsc->bo); 279 280 if (rsc->scanout) 281 renderonly_scanout_destroy(rsc->scanout, screen->ro); 282 283 free(rsc); 284} 285 286static boolean 287vc4_resource_get_handle(struct pipe_screen *pscreen, 288 struct pipe_context *pctx, 289 struct pipe_resource *prsc, 290 struct winsys_handle *whandle, 291 unsigned usage) 292{ 293 struct vc4_screen *screen = vc4_screen(pscreen); 294 struct vc4_resource *rsc = vc4_resource(prsc); 295 296 whandle->stride = rsc->slices[0].stride; 297 whandle->offset = 0; 298 299 /* If we're passing some reference to our BO out to some other part of 300 * the system, then we can't do any optimizations about only us being 301 * the ones seeing it (like BO caching or shadow update avoidance). 302 */ 303 rsc->bo->private = false; 304 305 if (rsc->tiled) 306 whandle->modifier = DRM_FORMAT_MOD_BROADCOM_VC4_T_TILED; 307 else 308 whandle->modifier = DRM_FORMAT_MOD_LINEAR; 309 310 switch (whandle->type) { 311 case WINSYS_HANDLE_TYPE_SHARED: 312 if (screen->ro) { 313 /* This could probably be supported, assuming that a 314 * control node was used for pl111. 315 */ 316 fprintf(stderr, "flink unsupported with pl111\n"); 317 return FALSE; 318 } 319 320 return vc4_bo_flink(rsc->bo, &whandle->handle); 321 case WINSYS_HANDLE_TYPE_KMS: 322 if (screen->ro && renderonly_get_handle(rsc->scanout, whandle)) 323 return TRUE; 324 whandle->handle = rsc->bo->handle; 325 return TRUE; 326 case WINSYS_HANDLE_TYPE_FD: 327 /* FDs are cross-device, so we can export directly from vc4. 328 */ 329 whandle->handle = vc4_bo_get_dmabuf(rsc->bo); 330 return whandle->handle != -1; 331 } 332 333 return FALSE; 334} 335 336static void 337vc4_setup_slices(struct vc4_resource *rsc, const char *caller) 338{ 339 struct pipe_resource *prsc = &rsc->base; 340 uint32_t width = prsc->width0; 341 uint32_t height = prsc->height0; 342 if (prsc->format == PIPE_FORMAT_ETC1_RGB8) { 343 width = (width + 3) >> 2; 344 height = (height + 3) >> 2; 345 } 346 347 uint32_t pot_width = util_next_power_of_two(width); 348 uint32_t pot_height = util_next_power_of_two(height); 349 uint32_t offset = 0; 350 uint32_t utile_w = vc4_utile_width(rsc->cpp); 351 uint32_t utile_h = vc4_utile_height(rsc->cpp); 352 353 for (int i = prsc->last_level; i >= 0; i--) { 354 struct vc4_resource_slice *slice = &rsc->slices[i]; 355 356 uint32_t level_width, level_height; 357 if (i == 0) { 358 level_width = width; 359 level_height = height; 360 } else { 361 level_width = u_minify(pot_width, i); 362 level_height = u_minify(pot_height, i); 363 } 364 365 if (!rsc->tiled) { 366 slice->tiling = VC4_TILING_FORMAT_LINEAR; 367 if (prsc->nr_samples > 1) { 368 /* MSAA (4x) surfaces are stored as raw tile buffer contents. */ 369 level_width = align(level_width, 32); 370 level_height = align(level_height, 32); 371 } else { 372 level_width = align(level_width, utile_w); 373 } 374 } else { 375 if (vc4_size_is_lt(level_width, level_height, 376 rsc->cpp)) { 377 slice->tiling = VC4_TILING_FORMAT_LT; 378 level_width = align(level_width, utile_w); 379 level_height = align(level_height, utile_h); 380 } else { 381 slice->tiling = VC4_TILING_FORMAT_T; 382 level_width = align(level_width, 383 4 * 2 * utile_w); 384 level_height = align(level_height, 385 4 * 2 * utile_h); 386 } 387 } 388 389 slice->offset = offset; 390 slice->stride = (level_width * rsc->cpp * 391 MAX2(prsc->nr_samples, 1)); 392 slice->size = level_height * slice->stride; 393 394 offset += slice->size; 395 396 if (vc4_debug & VC4_DEBUG_SURFACE) { 397 static const char tiling_chars[] = { 398 [VC4_TILING_FORMAT_LINEAR] = 'R', 399 [VC4_TILING_FORMAT_LT] = 'L', 400 [VC4_TILING_FORMAT_T] = 'T' 401 }; 402 fprintf(stderr, 403 "rsc %s %p (format %s: vc4 %d), %dx%d: " 404 "level %d (%c) -> %dx%d, stride %d@0x%08x\n", 405 caller, rsc, 406 util_format_short_name(prsc->format), 407 rsc->vc4_format, 408 prsc->width0, prsc->height0, 409 i, tiling_chars[slice->tiling], 410 level_width, level_height, 411 slice->stride, slice->offset); 412 } 413 } 414 415 /* The texture base pointer that has to point to level 0 doesn't have 416 * intra-page bits, so we have to align it, and thus shift up all the 417 * smaller slices. 418 */ 419 uint32_t page_align_offset = (align(rsc->slices[0].offset, 4096) - 420 rsc->slices[0].offset); 421 if (page_align_offset) { 422 for (int i = 0; i <= prsc->last_level; i++) 423 rsc->slices[i].offset += page_align_offset; 424 } 425 426 /* Cube map faces appear as whole miptrees at a page-aligned offset 427 * from the first face's miptree. 428 */ 429 if (prsc->target == PIPE_TEXTURE_CUBE) { 430 rsc->cube_map_stride = align(rsc->slices[0].offset + 431 rsc->slices[0].size, 4096); 432 } 433} 434 435static struct vc4_resource * 436vc4_resource_setup(struct pipe_screen *pscreen, 437 const struct pipe_resource *tmpl) 438{ 439 struct vc4_resource *rsc = CALLOC_STRUCT(vc4_resource); 440 if (!rsc) 441 return NULL; 442 struct pipe_resource *prsc = &rsc->base; 443 444 *prsc = *tmpl; 445 446 pipe_reference_init(&prsc->reference, 1); 447 prsc->screen = pscreen; 448 449 if (prsc->nr_samples <= 1) 450 rsc->cpp = util_format_get_blocksize(tmpl->format); 451 else 452 rsc->cpp = sizeof(uint32_t); 453 454 assert(rsc->cpp); 455 456 return rsc; 457} 458 459static enum vc4_texture_data_type 460get_resource_texture_format(struct pipe_resource *prsc) 461{ 462 struct vc4_resource *rsc = vc4_resource(prsc); 463 uint8_t format = vc4_get_tex_format(prsc->format); 464 465 if (!rsc->tiled) { 466 if (prsc->nr_samples > 1) { 467 return ~0; 468 } else { 469 if (format == VC4_TEXTURE_TYPE_RGBA8888) 470 return VC4_TEXTURE_TYPE_RGBA32R; 471 else 472 return ~0; 473 } 474 } 475 476 return format; 477} 478 479static bool 480find_modifier(uint64_t needle, const uint64_t *haystack, int count) 481{ 482 int i; 483 484 for (i = 0; i < count; i++) { 485 if (haystack[i] == needle) 486 return true; 487 } 488 489 return false; 490} 491 492static struct pipe_resource * 493vc4_resource_create_with_modifiers(struct pipe_screen *pscreen, 494 const struct pipe_resource *tmpl, 495 const uint64_t *modifiers, 496 int count) 497{ 498 struct vc4_screen *screen = vc4_screen(pscreen); 499 struct vc4_resource *rsc = vc4_resource_setup(pscreen, tmpl); 500 struct pipe_resource *prsc = &rsc->base; 501 bool linear_ok = find_modifier(DRM_FORMAT_MOD_LINEAR, modifiers, count); 502 /* Use a tiled layout if we can, for better 3D performance. */ 503 bool should_tile = true; 504 505 /* VBOs/PBOs are untiled (and 1 height). */ 506 if (tmpl->target == PIPE_BUFFER) 507 should_tile = false; 508 509 /* MSAA buffers are linear. */ 510 if (tmpl->nr_samples > 1) 511 should_tile = false; 512 513 /* No tiling when we're sharing with another device (pl111). */ 514 if (screen->ro && (tmpl->bind & PIPE_BIND_SCANOUT)) 515 should_tile = false; 516 517 /* Cursors are always linear, and the user can request linear as well. 518 */ 519 if (tmpl->bind & (PIPE_BIND_LINEAR | PIPE_BIND_CURSOR)) 520 should_tile = false; 521 522 /* No shared objects with LT format -- the kernel only has T-format 523 * metadata. LT objects are small enough it's not worth the trouble to 524 * give them metadata to tile. 525 */ 526 if ((tmpl->bind & (PIPE_BIND_SHARED | PIPE_BIND_SCANOUT)) && 527 vc4_size_is_lt(prsc->width0, prsc->height0, rsc->cpp)) 528 should_tile = false; 529 530 /* If we're sharing or scanning out, we need the ioctl present to 531 * inform the kernel or the other side. 532 */ 533 if ((tmpl->bind & (PIPE_BIND_SHARED | 534 PIPE_BIND_SCANOUT)) && !screen->has_tiling_ioctl) 535 should_tile = false; 536 537 /* No user-specified modifier; determine our own. */ 538 if (count == 1 && modifiers[0] == DRM_FORMAT_MOD_INVALID) { 539 linear_ok = true; 540 rsc->tiled = should_tile; 541 } else if (should_tile && 542 find_modifier(DRM_FORMAT_MOD_BROADCOM_VC4_T_TILED, 543 modifiers, count)) { 544 rsc->tiled = true; 545 } else if (linear_ok) { 546 rsc->tiled = false; 547 } else { 548 fprintf(stderr, "Unsupported modifier requested\n"); 549 return NULL; 550 } 551 552 if (tmpl->target != PIPE_BUFFER) 553 rsc->vc4_format = get_resource_texture_format(prsc); 554 555 vc4_setup_slices(rsc, "create"); 556 if (!vc4_resource_bo_alloc(rsc)) 557 goto fail; 558 559 if (screen->has_tiling_ioctl) { 560 uint64_t modifier; 561 if (rsc->tiled) 562 modifier = DRM_FORMAT_MOD_BROADCOM_VC4_T_TILED; 563 else 564 modifier = DRM_FORMAT_MOD_LINEAR; 565 struct drm_vc4_set_tiling set_tiling = { 566 .handle = rsc->bo->handle, 567 .modifier = modifier, 568 }; 569 int ret = vc4_ioctl(screen->fd, DRM_IOCTL_VC4_SET_TILING, 570 &set_tiling); 571 if (ret != 0) 572 goto fail; 573 } 574 575 /* Set up the "scanout resource" (the dmabuf export of our buffer to 576 * the KMS handle) if the buffer might ever have 577 * resource_get_handle(WINSYS_HANDLE_TYPE_KMS) called on it. 578 * create_with_modifiers() doesn't give us usage flags, so we have to 579 * assume that all calls with modifiers are scanout-possible. 580 */ 581 if (screen->ro && 582 ((tmpl->bind & PIPE_BIND_SCANOUT) || 583 !(count == 1 && modifiers[0] == DRM_FORMAT_MOD_INVALID))) { 584 rsc->scanout = 585 renderonly_scanout_for_resource(prsc, screen->ro, NULL); 586 if (!rsc->scanout) 587 goto fail; 588 } 589 590 vc4_bo_label(screen, rsc->bo, "%sresource %dx%d@%d/%d", 591 (tmpl->bind & PIPE_BIND_SCANOUT) ? "scanout " : "", 592 tmpl->width0, tmpl->height0, 593 rsc->cpp * 8, prsc->last_level); 594 595 return prsc; 596fail: 597 vc4_resource_destroy(pscreen, prsc); 598 return NULL; 599} 600 601struct pipe_resource * 602vc4_resource_create(struct pipe_screen *pscreen, 603 const struct pipe_resource *tmpl) 604{ 605 const uint64_t mod = DRM_FORMAT_MOD_INVALID; 606 return vc4_resource_create_with_modifiers(pscreen, tmpl, &mod, 1); 607} 608 609static struct pipe_resource * 610vc4_resource_from_handle(struct pipe_screen *pscreen, 611 const struct pipe_resource *tmpl, 612 struct winsys_handle *whandle, 613 unsigned usage) 614{ 615 struct vc4_screen *screen = vc4_screen(pscreen); 616 struct vc4_resource *rsc = vc4_resource_setup(pscreen, tmpl); 617 struct pipe_resource *prsc = &rsc->base; 618 struct vc4_resource_slice *slice = &rsc->slices[0]; 619 620 if (!rsc) 621 return NULL; 622 623 switch (whandle->type) { 624 case WINSYS_HANDLE_TYPE_SHARED: 625 rsc->bo = vc4_bo_open_name(screen, 626 whandle->handle, whandle->stride); 627 break; 628 case WINSYS_HANDLE_TYPE_FD: 629 rsc->bo = vc4_bo_open_dmabuf(screen, 630 whandle->handle, whandle->stride); 631 break; 632 default: 633 fprintf(stderr, 634 "Attempt to import unsupported handle type %d\n", 635 whandle->type); 636 } 637 638 if (!rsc->bo) 639 goto fail; 640 641 struct drm_vc4_get_tiling get_tiling = { 642 .handle = rsc->bo->handle, 643 }; 644 int ret = vc4_ioctl(screen->fd, DRM_IOCTL_VC4_GET_TILING, &get_tiling); 645 646 if (ret != 0) { 647 whandle->modifier = DRM_FORMAT_MOD_LINEAR; 648 } else if (whandle->modifier == DRM_FORMAT_MOD_INVALID) { 649 whandle->modifier = get_tiling.modifier; 650 } else if (whandle->modifier != get_tiling.modifier) { 651 fprintf(stderr, 652 "Modifier 0x%llx vs. tiling (0x%llx) mismatch\n", 653 (long long)whandle->modifier, get_tiling.modifier); 654 goto fail; 655 } 656 657 switch (whandle->modifier) { 658 case DRM_FORMAT_MOD_LINEAR: 659 rsc->tiled = false; 660 break; 661 case DRM_FORMAT_MOD_BROADCOM_VC4_T_TILED: 662 rsc->tiled = true; 663 break; 664 default: 665 fprintf(stderr, 666 "Attempt to import unsupported modifier 0x%llx\n", 667 (long long)whandle->modifier); 668 goto fail; 669 } 670 671 rsc->vc4_format = get_resource_texture_format(prsc); 672 vc4_setup_slices(rsc, "import"); 673 674 if (whandle->offset != 0) { 675 if (rsc->tiled) { 676 fprintf(stderr, 677 "Attempt to import unsupported " 678 "winsys offset %u\n", 679 whandle->offset); 680 goto fail; 681 } 682 683 rsc->slices[0].offset += whandle->offset; 684 685 if (rsc->slices[0].offset + rsc->slices[0].size > 686 rsc->bo->size) { 687 fprintf(stderr, "Attempt to import " 688 "with overflowing offset (%d + %d > %d)\n", 689 whandle->offset, 690 rsc->slices[0].size, 691 rsc->bo->size); 692 goto fail; 693 } 694 } 695 696 if (screen->ro) { 697 /* Make sure that renderonly has a handle to our buffer in the 698 * display's fd, so that a later renderonly_get_handle() 699 * returns correct handles or GEM names. 700 */ 701 rsc->scanout = 702 renderonly_create_gpu_import_for_resource(prsc, 703 screen->ro, 704 NULL); 705 if (!rsc->scanout) 706 goto fail; 707 } 708 709 if (rsc->tiled && whandle->stride != slice->stride) { 710 static bool warned = false; 711 if (!warned) { 712 warned = true; 713 fprintf(stderr, 714 "Attempting to import %dx%d %s with " 715 "unsupported stride %d instead of %d\n", 716 prsc->width0, prsc->height0, 717 util_format_short_name(prsc->format), 718 whandle->stride, 719 slice->stride); 720 } 721 goto fail; 722 } else if (!rsc->tiled) { 723 slice->stride = whandle->stride; 724 } 725 726 return prsc; 727 728fail: 729 vc4_resource_destroy(pscreen, prsc); 730 return NULL; 731} 732 733static struct pipe_surface * 734vc4_create_surface(struct pipe_context *pctx, 735 struct pipe_resource *ptex, 736 const struct pipe_surface *surf_tmpl) 737{ 738 struct vc4_surface *surface = CALLOC_STRUCT(vc4_surface); 739 struct vc4_resource *rsc = vc4_resource(ptex); 740 741 if (!surface) 742 return NULL; 743 744 assert(surf_tmpl->u.tex.first_layer == surf_tmpl->u.tex.last_layer); 745 746 struct pipe_surface *psurf = &surface->base; 747 unsigned level = surf_tmpl->u.tex.level; 748 749 pipe_reference_init(&psurf->reference, 1); 750 pipe_resource_reference(&psurf->texture, ptex); 751 752 psurf->context = pctx; 753 psurf->format = surf_tmpl->format; 754 psurf->width = u_minify(ptex->width0, level); 755 psurf->height = u_minify(ptex->height0, level); 756 psurf->u.tex.level = level; 757 psurf->u.tex.first_layer = surf_tmpl->u.tex.first_layer; 758 psurf->u.tex.last_layer = surf_tmpl->u.tex.last_layer; 759 surface->offset = (rsc->slices[level].offset + 760 psurf->u.tex.first_layer * rsc->cube_map_stride); 761 surface->tiling = rsc->slices[level].tiling; 762 763 return &surface->base; 764} 765 766static void 767vc4_surface_destroy(struct pipe_context *pctx, struct pipe_surface *psurf) 768{ 769 pipe_resource_reference(&psurf->texture, NULL); 770 FREE(psurf); 771} 772 773static void 774vc4_dump_surface_non_msaa(struct pipe_surface *psurf) 775{ 776 struct pipe_resource *prsc = psurf->texture; 777 struct vc4_resource *rsc = vc4_resource(prsc); 778 uint32_t *map = vc4_bo_map(rsc->bo); 779 uint32_t stride = rsc->slices[0].stride / 4; 780 uint32_t width = psurf->width; 781 uint32_t height = psurf->height; 782 uint32_t chunk_w = width / 79; 783 uint32_t chunk_h = height / 40; 784 uint32_t found_colors[10]; 785 uint32_t num_found_colors = 0; 786 787 if (rsc->vc4_format != VC4_TEXTURE_TYPE_RGBA32R) { 788 fprintf(stderr, "%s: Unsupported format %s\n", 789 __func__, util_format_short_name(psurf->format)); 790 return; 791 } 792 793 for (int by = 0; by < height; by += chunk_h) { 794 for (int bx = 0; bx < width; bx += chunk_w) { 795 int all_found_color = -1; /* nothing found */ 796 797 for (int y = by; y < MIN2(height, by + chunk_h); y++) { 798 for (int x = bx; x < MIN2(width, bx + chunk_w); x++) { 799 uint32_t pix = map[y * stride + x]; 800 801 int i; 802 for (i = 0; i < num_found_colors; i++) { 803 if (pix == found_colors[i]) 804 break; 805 } 806 if (i == num_found_colors && 807 num_found_colors < 808 ARRAY_SIZE(found_colors)) { 809 found_colors[num_found_colors++] = pix; 810 } 811 812 if (i < num_found_colors) { 813 if (all_found_color == -1) 814 all_found_color = i; 815 else if (i != all_found_color) 816 all_found_color = ARRAY_SIZE(found_colors); 817 } 818 } 819 } 820 /* If all pixels for this chunk have a consistent 821 * value, then print a character for it. Either a 822 * fixed name (particularly common for piglit tests), 823 * or a runtime-generated number. 824 */ 825 if (all_found_color >= 0 && 826 all_found_color < ARRAY_SIZE(found_colors)) { 827 static const struct { 828 uint32_t val; 829 const char *c; 830 } named_colors[] = { 831 { 0xff000000, "█" }, 832 { 0x00000000, "█" }, 833 { 0xffff0000, "r" }, 834 { 0xff00ff00, "g" }, 835 { 0xff0000ff, "b" }, 836 { 0xffffffff, "w" }, 837 }; 838 int i; 839 for (i = 0; i < ARRAY_SIZE(named_colors); i++) { 840 if (named_colors[i].val == 841 found_colors[all_found_color]) { 842 fprintf(stderr, "%s", 843 named_colors[i].c); 844 break; 845 } 846 } 847 /* For unnamed colors, print a number and the 848 * numbers will have values printed at the 849 * end. 850 */ 851 if (i == ARRAY_SIZE(named_colors)) { 852 fprintf(stderr, "%c", 853 '0' + all_found_color); 854 } 855 } else { 856 /* If there's no consistent color, print this. 857 */ 858 fprintf(stderr, "."); 859 } 860 } 861 fprintf(stderr, "\n"); 862 } 863 864 for (int i = 0; i < num_found_colors; i++) { 865 fprintf(stderr, "color %d: 0x%08x\n", i, found_colors[i]); 866 } 867} 868 869static uint32_t 870vc4_surface_msaa_get_sample(struct pipe_surface *psurf, 871 uint32_t x, uint32_t y, uint32_t sample) 872{ 873 struct pipe_resource *prsc = psurf->texture; 874 struct vc4_resource *rsc = vc4_resource(prsc); 875 uint32_t tile_w = 32, tile_h = 32; 876 uint32_t tiles_w = DIV_ROUND_UP(psurf->width, 32); 877 878 uint32_t tile_x = x / tile_w; 879 uint32_t tile_y = y / tile_h; 880 uint32_t *tile = (vc4_bo_map(rsc->bo) + 881 VC4_TILE_BUFFER_SIZE * (tile_y * tiles_w + tile_x)); 882 uint32_t subtile_x = x % tile_w; 883 uint32_t subtile_y = y % tile_h; 884 885 uint32_t quad_samples = VC4_MAX_SAMPLES * 4; 886 uint32_t tile_stride = quad_samples * tile_w / 2; 887 888 return *((uint32_t *)tile + 889 (subtile_y >> 1) * tile_stride + 890 (subtile_x >> 1) * quad_samples + 891 ((subtile_y & 1) << 1) + 892 (subtile_x & 1) + 893 sample); 894} 895 896static void 897vc4_dump_surface_msaa_char(struct pipe_surface *psurf, 898 uint32_t start_x, uint32_t start_y, 899 uint32_t w, uint32_t h) 900{ 901 bool all_same_color = true; 902 uint32_t all_pix = 0; 903 904 for (int y = start_y; y < start_y + h; y++) { 905 for (int x = start_x; x < start_x + w; x++) { 906 for (int s = 0; s < VC4_MAX_SAMPLES; s++) { 907 uint32_t pix = vc4_surface_msaa_get_sample(psurf, 908 x, y, 909 s); 910 if (x == start_x && y == start_y) 911 all_pix = pix; 912 else if (all_pix != pix) 913 all_same_color = false; 914 } 915 } 916 } 917 if (all_same_color) { 918 static const struct { 919 uint32_t val; 920 const char *c; 921 } named_colors[] = { 922 { 0xff000000, "█" }, 923 { 0x00000000, "█" }, 924 { 0xffff0000, "r" }, 925 { 0xff00ff00, "g" }, 926 { 0xff0000ff, "b" }, 927 { 0xffffffff, "w" }, 928 }; 929 int i; 930 for (i = 0; i < ARRAY_SIZE(named_colors); i++) { 931 if (named_colors[i].val == all_pix) { 932 fprintf(stderr, "%s", 933 named_colors[i].c); 934 return; 935 } 936 } 937 fprintf(stderr, "x"); 938 } else { 939 fprintf(stderr, "."); 940 } 941} 942 943static void 944vc4_dump_surface_msaa(struct pipe_surface *psurf) 945{ 946 uint32_t tile_w = 32, tile_h = 32; 947 uint32_t tiles_w = DIV_ROUND_UP(psurf->width, tile_w); 948 uint32_t tiles_h = DIV_ROUND_UP(psurf->height, tile_h); 949 uint32_t char_w = 140, char_h = 60; 950 uint32_t char_w_per_tile = char_w / tiles_w - 1; 951 uint32_t char_h_per_tile = char_h / tiles_h - 1; 952 953 fprintf(stderr, "Surface: %dx%d (%dx MSAA)\n", 954 psurf->width, psurf->height, psurf->texture->nr_samples); 955 956 for (int x = 0; x < (char_w_per_tile + 1) * tiles_w; x++) 957 fprintf(stderr, "-"); 958 fprintf(stderr, "\n"); 959 960 for (int ty = 0; ty < psurf->height; ty += tile_h) { 961 for (int y = 0; y < char_h_per_tile; y++) { 962 963 for (int tx = 0; tx < psurf->width; tx += tile_w) { 964 for (int x = 0; x < char_w_per_tile; x++) { 965 uint32_t bx1 = (x * tile_w / 966 char_w_per_tile); 967 uint32_t bx2 = ((x + 1) * tile_w / 968 char_w_per_tile); 969 uint32_t by1 = (y * tile_h / 970 char_h_per_tile); 971 uint32_t by2 = ((y + 1) * tile_h / 972 char_h_per_tile); 973 974 vc4_dump_surface_msaa_char(psurf, 975 tx + bx1, 976 ty + by1, 977 bx2 - bx1, 978 by2 - by1); 979 } 980 fprintf(stderr, "|"); 981 } 982 fprintf(stderr, "\n"); 983 } 984 985 for (int x = 0; x < (char_w_per_tile + 1) * tiles_w; x++) 986 fprintf(stderr, "-"); 987 fprintf(stderr, "\n"); 988 } 989} 990 991/** Debug routine to dump the contents of an 8888 surface to the console */ 992void 993vc4_dump_surface(struct pipe_surface *psurf) 994{ 995 if (!psurf) 996 return; 997 998 if (psurf->texture->nr_samples > 1) 999 vc4_dump_surface_msaa(psurf); 1000 else 1001 vc4_dump_surface_non_msaa(psurf); 1002} 1003 1004static void 1005vc4_flush_resource(struct pipe_context *pctx, struct pipe_resource *resource) 1006{ 1007 /* All calls to flush_resource are followed by a flush of the context, 1008 * so there's nothing to do. 1009 */ 1010} 1011 1012void 1013vc4_update_shadow_baselevel_texture(struct pipe_context *pctx, 1014 struct pipe_sampler_view *pview) 1015{ 1016 struct vc4_sampler_view *view = vc4_sampler_view(pview); 1017 struct vc4_resource *shadow = vc4_resource(view->texture); 1018 struct vc4_resource *orig = vc4_resource(pview->texture); 1019 1020 assert(view->texture != pview->texture); 1021 1022 if (shadow->writes == orig->writes && orig->bo->private) 1023 return; 1024 1025 perf_debug("Updating %dx%d@%d shadow texture due to %s\n", 1026 orig->base.width0, orig->base.height0, 1027 pview->u.tex.first_level, 1028 pview->u.tex.first_level ? "base level" : "raster layout"); 1029 1030 for (int i = 0; i <= shadow->base.last_level; i++) { 1031 unsigned width = u_minify(shadow->base.width0, i); 1032 unsigned height = u_minify(shadow->base.height0, i); 1033 struct pipe_blit_info info = { 1034 .dst = { 1035 .resource = &shadow->base, 1036 .level = i, 1037 .box = { 1038 .x = 0, 1039 .y = 0, 1040 .z = 0, 1041 .width = width, 1042 .height = height, 1043 .depth = 1, 1044 }, 1045 .format = shadow->base.format, 1046 }, 1047 .src = { 1048 .resource = &orig->base, 1049 .level = pview->u.tex.first_level + i, 1050 .box = { 1051 .x = 0, 1052 .y = 0, 1053 .z = 0, 1054 .width = width, 1055 .height = height, 1056 .depth = 1, 1057 }, 1058 .format = orig->base.format, 1059 }, 1060 .mask = ~0, 1061 }; 1062 pctx->blit(pctx, &info); 1063 } 1064 1065 shadow->writes = orig->writes; 1066} 1067 1068/** 1069 * Converts a 4-byte index buffer to 2 bytes. 1070 * 1071 * Since GLES2 only has support for 1 and 2-byte indices, the hardware doesn't 1072 * include 4-byte index support, and we have to shrink it down. 1073 * 1074 * There's no fallback support for when indices end up being larger than 2^16, 1075 * though it will at least assertion fail. Also, if the original index data 1076 * was in user memory, it would be nice to not have uploaded it to a VBO 1077 * before translating. 1078 */ 1079struct pipe_resource * 1080vc4_get_shadow_index_buffer(struct pipe_context *pctx, 1081 const struct pipe_draw_info *info, 1082 uint32_t offset, 1083 uint32_t count, 1084 uint32_t *shadow_offset) 1085{ 1086 struct vc4_context *vc4 = vc4_context(pctx); 1087 struct vc4_resource *orig = vc4_resource(info->index.resource); 1088 perf_debug("Fallback conversion for %d uint indices\n", count); 1089 1090 void *data; 1091 struct pipe_resource *shadow_rsc = NULL; 1092 u_upload_alloc(vc4->uploader, 0, count * 2, 4, 1093 shadow_offset, &shadow_rsc, &data); 1094 uint16_t *dst = data; 1095 1096 struct pipe_transfer *src_transfer = NULL; 1097 const uint32_t *src; 1098 if (info->has_user_indices) { 1099 src = info->index.user; 1100 } else { 1101 src = pipe_buffer_map_range(pctx, &orig->base, 1102 offset, 1103 count * 4, 1104 PIPE_TRANSFER_READ, &src_transfer); 1105 } 1106 1107 for (int i = 0; i < count; i++) { 1108 uint32_t src_index = src[i]; 1109 assert(src_index <= 0xffff); 1110 dst[i] = src_index; 1111 } 1112 1113 if (src_transfer) 1114 pctx->transfer_unmap(pctx, src_transfer); 1115 1116 return shadow_rsc; 1117} 1118 1119static const struct u_transfer_vtbl transfer_vtbl = { 1120 .resource_create = vc4_resource_create, 1121 .resource_destroy = vc4_resource_destroy, 1122 .transfer_map = vc4_resource_transfer_map, 1123 .transfer_unmap = vc4_resource_transfer_unmap, 1124 .transfer_flush_region = u_default_transfer_flush_region, 1125}; 1126 1127void 1128vc4_resource_screen_init(struct pipe_screen *pscreen) 1129{ 1130 struct vc4_screen *screen = vc4_screen(pscreen); 1131 1132 pscreen->resource_create = vc4_resource_create; 1133 pscreen->resource_create_with_modifiers = 1134 vc4_resource_create_with_modifiers; 1135 pscreen->resource_from_handle = vc4_resource_from_handle; 1136 pscreen->resource_destroy = u_resource_destroy_vtbl; 1137 pscreen->resource_get_handle = vc4_resource_get_handle; 1138 pscreen->resource_destroy = vc4_resource_destroy; 1139 pscreen->transfer_helper = u_transfer_helper_create(&transfer_vtbl, 1140 false, false, 1141 false, true); 1142 1143 /* Test if the kernel has GET_TILING; it will return -EINVAL if the 1144 * ioctl does not exist, but -ENOENT if we pass an impossible handle. 1145 * 0 cannot be a valid GEM object, so use that. 1146 */ 1147 struct drm_vc4_get_tiling get_tiling = { 1148 .handle = 0x0, 1149 }; 1150 int ret = vc4_ioctl(screen->fd, DRM_IOCTL_VC4_GET_TILING, &get_tiling); 1151 if (ret == -1 && errno == ENOENT) 1152 screen->has_tiling_ioctl = true; 1153} 1154 1155void 1156vc4_resource_context_init(struct pipe_context *pctx) 1157{ 1158 pctx->transfer_map = u_transfer_helper_transfer_map; 1159 pctx->transfer_flush_region = u_transfer_helper_transfer_flush_region; 1160 pctx->transfer_unmap = u_transfer_helper_transfer_unmap; 1161 pctx->buffer_subdata = u_default_buffer_subdata; 1162 pctx->texture_subdata = vc4_texture_subdata; 1163 pctx->create_surface = vc4_create_surface; 1164 pctx->surface_destroy = vc4_surface_destroy; 1165 pctx->resource_copy_region = util_resource_copy_region; 1166 pctx->blit = vc4_blit; 1167 pctx->flush_resource = vc4_flush_resource; 1168} 1169