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_memory.h" 27#include "util/format/u_format.h" 28#include "util/u_inlines.h" 29#include "util/u_surface.h" 30#include "util/u_transfer_helper.h" 31#include "util/u_upload_mgr.h" 32#include "util/u_drm.h" 33 34#include "drm-uapi/drm_fourcc.h" 35#include "drm-uapi/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_MAP_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_MAP_DISCARD_RANGE) && 116 !(usage & PIPE_MAP_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_MAP_DISCARD_WHOLE_RESOURCE; 125 } 126 127 if (usage & PIPE_MAP_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_MAP_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_MAP_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_MAP_WRITE) { 152 rsc->writes++; 153 rsc->initialized_buffers = ~0; 154 } 155 156 trans = slab_zalloc(&vc4->transfer_pool); 157 if (!trans) 158 return NULL; 159 160 /* XXX: Handle DONTBLOCK, DISCARD_RANGE, PERSISTENT, COHERENT. */ 161 162 ptrans = &trans->base; 163 164 pipe_resource_reference(&ptrans->resource, prsc); 165 ptrans->level = level; 166 ptrans->usage = usage; 167 ptrans->box = *box; 168 169 if (usage & PIPE_MAP_UNSYNCHRONIZED) 170 buf = vc4_bo_map_unsynchronized(rsc->bo); 171 else 172 buf = vc4_bo_map(rsc->bo); 173 if (!buf) { 174 fprintf(stderr, "Failed to map bo\n"); 175 goto fail; 176 } 177 178 *pptrans = ptrans; 179 180 struct vc4_resource_slice *slice = &rsc->slices[level]; 181 if (rsc->tiled) { 182 /* No direct mappings of tiled, since we need to manually 183 * tile/untile. 184 */ 185 if (usage & PIPE_MAP_DIRECTLY) 186 return NULL; 187 188 /* Our load/store routines work on entire compressed blocks. */ 189 u_box_pixels_to_blocks(&ptrans->box, &ptrans->box, format); 190 191 ptrans->stride = ptrans->box.width * rsc->cpp; 192 ptrans->layer_stride = ptrans->stride * ptrans->box.height; 193 194 trans->map = malloc(ptrans->layer_stride * ptrans->box.depth); 195 196 if (usage & PIPE_MAP_READ) { 197 vc4_load_tiled_image(trans->map, ptrans->stride, 198 buf + slice->offset + 199 ptrans->box.z * rsc->cube_map_stride, 200 slice->stride, 201 slice->tiling, rsc->cpp, 202 &ptrans->box); 203 } 204 return trans->map; 205 } else { 206 ptrans->stride = slice->stride; 207 ptrans->layer_stride = ptrans->stride; 208 209 return buf + slice->offset + 210 ptrans->box.y / util_format_get_blockheight(format) * ptrans->stride + 211 ptrans->box.x / util_format_get_blockwidth(format) * rsc->cpp + 212 ptrans->box.z * rsc->cube_map_stride; 213 } 214 215 216fail: 217 vc4_resource_transfer_unmap(pctx, ptrans); 218 return NULL; 219} 220 221static void 222vc4_texture_subdata(struct pipe_context *pctx, 223 struct pipe_resource *prsc, 224 unsigned level, 225 unsigned usage, 226 const struct pipe_box *box, 227 const void *data, 228 unsigned stride, 229 unsigned layer_stride) 230{ 231 struct vc4_resource *rsc = vc4_resource(prsc); 232 struct vc4_resource_slice *slice = &rsc->slices[level]; 233 234 /* For a direct mapping, we can just take the u_transfer path. */ 235 if (!rsc->tiled || 236 box->depth != 1 || 237 (usage & PIPE_MAP_DISCARD_WHOLE_RESOURCE)) { 238 return u_default_texture_subdata(pctx, prsc, level, usage, box, 239 data, stride, layer_stride); 240 } 241 242 /* Otherwise, map and store the texture data directly into the tiled 243 * texture. 244 */ 245 void *buf; 246 if (usage & PIPE_MAP_UNSYNCHRONIZED) 247 buf = vc4_bo_map_unsynchronized(rsc->bo); 248 else 249 buf = vc4_bo_map(rsc->bo); 250 251 vc4_store_tiled_image(buf + slice->offset + 252 box->z * rsc->cube_map_stride, 253 slice->stride, 254 (void *)data, stride, 255 slice->tiling, rsc->cpp, 256 box); 257} 258 259static void 260vc4_resource_destroy(struct pipe_screen *pscreen, 261 struct pipe_resource *prsc) 262{ 263 struct vc4_screen *screen = vc4_screen(pscreen); 264 struct vc4_resource *rsc = vc4_resource(prsc); 265 vc4_bo_unreference(&rsc->bo); 266 267 if (rsc->scanout) 268 renderonly_scanout_destroy(rsc->scanout, screen->ro); 269 270 free(rsc); 271} 272 273static uint64_t 274vc4_resource_modifier(struct vc4_resource *rsc) 275{ 276 if (rsc->tiled) 277 return DRM_FORMAT_MOD_BROADCOM_VC4_T_TILED; 278 else 279 return DRM_FORMAT_MOD_LINEAR; 280} 281 282static bool 283vc4_resource_get_handle(struct pipe_screen *pscreen, 284 struct pipe_context *pctx, 285 struct pipe_resource *prsc, 286 struct winsys_handle *whandle, 287 unsigned usage) 288{ 289 struct vc4_screen *screen = vc4_screen(pscreen); 290 struct vc4_resource *rsc = vc4_resource(prsc); 291 292 whandle->stride = rsc->slices[0].stride; 293 whandle->offset = 0; 294 whandle->modifier = vc4_resource_modifier(rsc); 295 296 /* If we're passing some reference to our BO out to some other part of 297 * the system, then we can't do any optimizations about only us being 298 * the ones seeing it (like BO caching or shadow update avoidance). 299 */ 300 rsc->bo->private = false; 301 302 switch (whandle->type) { 303 case WINSYS_HANDLE_TYPE_SHARED: 304 if (screen->ro) { 305 /* This could probably be supported, assuming that a 306 * control node was used for pl111. 307 */ 308 fprintf(stderr, "flink unsupported with pl111\n"); 309 return false; 310 } 311 312 return vc4_bo_flink(rsc->bo, &whandle->handle); 313 case WINSYS_HANDLE_TYPE_KMS: 314 if (screen->ro) { 315 return renderonly_get_handle(rsc->scanout, whandle); 316 } 317 whandle->handle = rsc->bo->handle; 318 return true; 319 case WINSYS_HANDLE_TYPE_FD: 320 /* FDs are cross-device, so we can export directly from vc4. 321 */ 322 whandle->handle = vc4_bo_get_dmabuf(rsc->bo); 323 return whandle->handle != -1; 324 } 325 326 return false; 327} 328 329static bool 330vc4_resource_get_param(struct pipe_screen *pscreen, 331 struct pipe_context *pctx, struct pipe_resource *prsc, 332 unsigned plane, unsigned layer, unsigned level, 333 enum pipe_resource_param param, 334 unsigned usage, uint64_t *value) 335{ 336 struct vc4_resource *rsc = vc4_resource(prsc); 337 338 switch (param) { 339 case PIPE_RESOURCE_PARAM_STRIDE: 340 *value = rsc->slices[level].stride; 341 return true; 342 case PIPE_RESOURCE_PARAM_OFFSET: 343 *value = 0; 344 return true; 345 case PIPE_RESOURCE_PARAM_MODIFIER: 346 *value = vc4_resource_modifier(rsc); 347 return true; 348 default: 349 return false; 350 } 351} 352 353static void 354vc4_setup_slices(struct vc4_resource *rsc, const char *caller) 355{ 356 struct pipe_resource *prsc = &rsc->base; 357 uint32_t width = prsc->width0; 358 uint32_t height = prsc->height0; 359 if (prsc->format == PIPE_FORMAT_ETC1_RGB8) { 360 width = (width + 3) >> 2; 361 height = (height + 3) >> 2; 362 } 363 364 uint32_t pot_width = util_next_power_of_two(width); 365 uint32_t pot_height = util_next_power_of_two(height); 366 uint32_t offset = 0; 367 uint32_t utile_w = vc4_utile_width(rsc->cpp); 368 uint32_t utile_h = vc4_utile_height(rsc->cpp); 369 370 for (int i = prsc->last_level; i >= 0; i--) { 371 struct vc4_resource_slice *slice = &rsc->slices[i]; 372 373 uint32_t level_width, level_height; 374 if (i == 0) { 375 level_width = width; 376 level_height = height; 377 } else { 378 level_width = u_minify(pot_width, i); 379 level_height = u_minify(pot_height, i); 380 } 381 382 if (!rsc->tiled) { 383 slice->tiling = VC4_TILING_FORMAT_LINEAR; 384 if (prsc->nr_samples > 1) { 385 /* MSAA (4x) surfaces are stored as raw tile buffer contents. */ 386 level_width = align(level_width, 32); 387 level_height = align(level_height, 32); 388 } else { 389 level_width = align(level_width, utile_w); 390 } 391 } else { 392 if (vc4_size_is_lt(level_width, level_height, 393 rsc->cpp)) { 394 slice->tiling = VC4_TILING_FORMAT_LT; 395 level_width = align(level_width, utile_w); 396 level_height = align(level_height, utile_h); 397 } else { 398 slice->tiling = VC4_TILING_FORMAT_T; 399 level_width = align(level_width, 400 4 * 2 * utile_w); 401 level_height = align(level_height, 402 4 * 2 * utile_h); 403 } 404 } 405 406 slice->offset = offset; 407 slice->stride = (level_width * rsc->cpp * 408 MAX2(prsc->nr_samples, 1)); 409 slice->size = level_height * slice->stride; 410 411 offset += slice->size; 412 413 if (vc4_debug & VC4_DEBUG_SURFACE) { 414 static const char tiling_chars[] = { 415 [VC4_TILING_FORMAT_LINEAR] = 'R', 416 [VC4_TILING_FORMAT_LT] = 'L', 417 [VC4_TILING_FORMAT_T] = 'T' 418 }; 419 fprintf(stderr, 420 "rsc %s %p (format %s: vc4 %d), %dx%d: " 421 "level %d (%c) -> %dx%d, stride %d@0x%08x\n", 422 caller, rsc, 423 util_format_short_name(prsc->format), 424 rsc->vc4_format, 425 prsc->width0, prsc->height0, 426 i, tiling_chars[slice->tiling], 427 level_width, level_height, 428 slice->stride, slice->offset); 429 } 430 } 431 432 /* The texture base pointer that has to point to level 0 doesn't have 433 * intra-page bits, so we have to align it, and thus shift up all the 434 * smaller slices. 435 */ 436 uint32_t page_align_offset = (align(rsc->slices[0].offset, 4096) - 437 rsc->slices[0].offset); 438 if (page_align_offset) { 439 for (int i = 0; i <= prsc->last_level; i++) 440 rsc->slices[i].offset += page_align_offset; 441 } 442 443 /* Cube map faces appear as whole miptrees at a page-aligned offset 444 * from the first face's miptree. 445 */ 446 if (prsc->target == PIPE_TEXTURE_CUBE) { 447 rsc->cube_map_stride = align(rsc->slices[0].offset + 448 rsc->slices[0].size, 4096); 449 } 450} 451 452static struct vc4_resource * 453vc4_resource_setup(struct pipe_screen *pscreen, 454 const struct pipe_resource *tmpl) 455{ 456 struct vc4_resource *rsc = CALLOC_STRUCT(vc4_resource); 457 if (!rsc) 458 return NULL; 459 struct pipe_resource *prsc = &rsc->base; 460 461 *prsc = *tmpl; 462 463 pipe_reference_init(&prsc->reference, 1); 464 prsc->screen = pscreen; 465 466 if (prsc->nr_samples <= 1) 467 rsc->cpp = util_format_get_blocksize(tmpl->format); 468 else 469 rsc->cpp = sizeof(uint32_t); 470 471 assert(rsc->cpp); 472 473 return rsc; 474} 475 476static enum vc4_texture_data_type 477get_resource_texture_format(struct pipe_resource *prsc) 478{ 479 struct vc4_resource *rsc = vc4_resource(prsc); 480 uint8_t format = vc4_get_tex_format(prsc->format); 481 482 if (!rsc->tiled) { 483 if (prsc->nr_samples > 1) { 484 return ~0; 485 } else { 486 if (format == VC4_TEXTURE_TYPE_RGBA8888) 487 return VC4_TEXTURE_TYPE_RGBA32R; 488 else 489 return ~0; 490 } 491 } 492 493 return format; 494} 495 496static struct pipe_resource * 497vc4_resource_create_with_modifiers(struct pipe_screen *pscreen, 498 const struct pipe_resource *tmpl, 499 const uint64_t *modifiers, 500 int count) 501{ 502 struct vc4_screen *screen = vc4_screen(pscreen); 503 struct vc4_resource *rsc = vc4_resource_setup(pscreen, tmpl); 504 struct pipe_resource *prsc = &rsc->base; 505 bool linear_ok = drm_find_modifier(DRM_FORMAT_MOD_LINEAR, modifiers, count); 506 /* Use a tiled layout if we can, for better 3D performance. */ 507 bool should_tile = true; 508 509 /* VBOs/PBOs are untiled (and 1 height). */ 510 if (tmpl->target == PIPE_BUFFER) 511 should_tile = false; 512 513 /* MSAA buffers are linear. */ 514 if (tmpl->nr_samples > 1) 515 should_tile = false; 516 517 /* No tiling when we're sharing with another device (pl111). */ 518 if (screen->ro && (tmpl->bind & PIPE_BIND_SCANOUT)) 519 should_tile = false; 520 521 /* Cursors are always linear, and the user can request linear as well. 522 */ 523 if (tmpl->bind & (PIPE_BIND_LINEAR | PIPE_BIND_CURSOR)) 524 should_tile = false; 525 526 /* No shared objects with LT format -- the kernel only has T-format 527 * metadata. LT objects are small enough it's not worth the trouble to 528 * give them metadata to tile. 529 */ 530 if ((tmpl->bind & (PIPE_BIND_SHARED | PIPE_BIND_SCANOUT)) && 531 vc4_size_is_lt(prsc->width0, prsc->height0, rsc->cpp)) 532 should_tile = false; 533 534 /* If we're sharing or scanning out, we need the ioctl present to 535 * inform the kernel or the other side. 536 */ 537 if ((tmpl->bind & (PIPE_BIND_SHARED | 538 PIPE_BIND_SCANOUT)) && !screen->has_tiling_ioctl) 539 should_tile = false; 540 541 /* No user-specified modifier; determine our own. */ 542 if (count == 1 && modifiers[0] == DRM_FORMAT_MOD_INVALID) { 543 linear_ok = true; 544 rsc->tiled = should_tile; 545 } else if (should_tile && 546 drm_find_modifier(DRM_FORMAT_MOD_BROADCOM_VC4_T_TILED, 547 modifiers, count)) { 548 rsc->tiled = true; 549 } else if (linear_ok) { 550 rsc->tiled = false; 551 } else { 552 fprintf(stderr, "Unsupported modifier requested\n"); 553 return NULL; 554 } 555 556 if (tmpl->target != PIPE_BUFFER) 557 rsc->vc4_format = get_resource_texture_format(prsc); 558 559 vc4_setup_slices(rsc, "create"); 560 if (!vc4_resource_bo_alloc(rsc)) 561 goto fail; 562 563 if (screen->has_tiling_ioctl) { 564 uint64_t modifier; 565 if (rsc->tiled) 566 modifier = DRM_FORMAT_MOD_BROADCOM_VC4_T_TILED; 567 else 568 modifier = DRM_FORMAT_MOD_LINEAR; 569 struct drm_vc4_set_tiling set_tiling = { 570 .handle = rsc->bo->handle, 571 .modifier = modifier, 572 }; 573 int ret = vc4_ioctl(screen->fd, DRM_IOCTL_VC4_SET_TILING, 574 &set_tiling); 575 if (ret != 0) 576 goto fail; 577 } 578 579 /* Set up the "scanout resource" (the dmabuf export of our buffer to 580 * the KMS handle) if the buffer might ever have 581 * resource_get_handle(WINSYS_HANDLE_TYPE_KMS) called on it. 582 * create_with_modifiers() doesn't give us usage flags, so we have to 583 * assume that all calls with modifiers are scanout-possible. 584 */ 585 if (screen->ro && 586 ((tmpl->bind & PIPE_BIND_SCANOUT) || 587 !(count == 1 && modifiers[0] == DRM_FORMAT_MOD_INVALID))) { 588 rsc->scanout = 589 renderonly_scanout_for_resource(prsc, screen->ro, NULL); 590 if (!rsc->scanout) 591 goto fail; 592 } 593 594 vc4_bo_label(screen, rsc->bo, "%sresource %dx%d@%d/%d", 595 (tmpl->bind & PIPE_BIND_SCANOUT) ? "scanout " : "", 596 tmpl->width0, tmpl->height0, 597 rsc->cpp * 8, prsc->last_level); 598 599 return prsc; 600fail: 601 vc4_resource_destroy(pscreen, prsc); 602 return NULL; 603} 604 605struct pipe_resource * 606vc4_resource_create(struct pipe_screen *pscreen, 607 const struct pipe_resource *tmpl) 608{ 609 const uint64_t mod = DRM_FORMAT_MOD_INVALID; 610 return vc4_resource_create_with_modifiers(pscreen, tmpl, &mod, 1); 611} 612 613static struct pipe_resource * 614vc4_resource_from_handle(struct pipe_screen *pscreen, 615 const struct pipe_resource *tmpl, 616 struct winsys_handle *whandle, 617 unsigned usage) 618{ 619 struct vc4_screen *screen = vc4_screen(pscreen); 620 struct vc4_resource *rsc = vc4_resource_setup(pscreen, tmpl); 621 struct pipe_resource *prsc = &rsc->base; 622 struct vc4_resource_slice *slice = &rsc->slices[0]; 623 624 if (!rsc) 625 return NULL; 626 627 switch (whandle->type) { 628 case WINSYS_HANDLE_TYPE_SHARED: 629 rsc->bo = vc4_bo_open_name(screen, whandle->handle); 630 break; 631 case WINSYS_HANDLE_TYPE_FD: 632 rsc->bo = vc4_bo_open_dmabuf(screen, whandle->handle); 633 break; 634 default: 635 fprintf(stderr, 636 "Attempt to import unsupported handle type %d\n", 637 whandle->type); 638 } 639 640 if (!rsc->bo) 641 goto fail; 642 643 struct drm_vc4_get_tiling get_tiling = { 644 .handle = rsc->bo->handle, 645 }; 646 int ret = vc4_ioctl(screen->fd, DRM_IOCTL_VC4_GET_TILING, &get_tiling); 647 648 if (ret != 0) { 649 whandle->modifier = DRM_FORMAT_MOD_LINEAR; 650 } else if (whandle->modifier == DRM_FORMAT_MOD_INVALID) { 651 whandle->modifier = get_tiling.modifier; 652 } else if (whandle->modifier != get_tiling.modifier) { 653 fprintf(stderr, 654 "Modifier 0x%llx vs. tiling (0x%llx) mismatch\n", 655 (long long)whandle->modifier, get_tiling.modifier); 656 goto fail; 657 } 658 659 switch (whandle->modifier) { 660 case DRM_FORMAT_MOD_LINEAR: 661 rsc->tiled = false; 662 break; 663 case DRM_FORMAT_MOD_BROADCOM_VC4_T_TILED: 664 rsc->tiled = true; 665 break; 666 default: 667 fprintf(stderr, 668 "Attempt to import unsupported modifier 0x%llx\n", 669 (long long)whandle->modifier); 670 goto fail; 671 } 672 673 rsc->vc4_format = get_resource_texture_format(prsc); 674 vc4_setup_slices(rsc, "import"); 675 676 if (whandle->offset != 0) { 677 if (rsc->tiled) { 678 fprintf(stderr, 679 "Attempt to import unsupported " 680 "winsys offset %u\n", 681 whandle->offset); 682 goto fail; 683 } 684 685 rsc->slices[0].offset += whandle->offset; 686 687 if (rsc->slices[0].offset + rsc->slices[0].size > 688 rsc->bo->size) { 689 fprintf(stderr, "Attempt to import " 690 "with overflowing offset (%d + %d > %d)\n", 691 whandle->offset, 692 rsc->slices[0].size, 693 rsc->bo->size); 694 goto fail; 695 } 696 } 697 698 if (screen->ro) { 699 /* Make sure that renderonly has a handle to our buffer in the 700 * display's fd, so that a later renderonly_get_handle() 701 * returns correct handles or GEM names. 702 */ 703 rsc->scanout = 704 renderonly_create_gpu_import_for_resource(prsc, 705 screen->ro, 706 NULL); 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] = { 0 }; 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_context *vc4 = vc4_context(pctx); 1017 struct vc4_sampler_view *view = vc4_sampler_view(pview); 1018 struct vc4_resource *shadow = vc4_resource(view->texture); 1019 struct vc4_resource *orig = vc4_resource(pview->texture); 1020 1021 assert(view->texture != pview->texture); 1022 1023 if (shadow->writes == orig->writes && orig->bo->private) 1024 return; 1025 1026 perf_debug("Updating %dx%d@%d shadow texture due to %s\n", 1027 orig->base.width0, orig->base.height0, 1028 pview->u.tex.first_level, 1029 pview->u.tex.first_level ? "base level" : "raster layout"); 1030 1031 for (int i = 0; i <= shadow->base.last_level; i++) { 1032 unsigned width = u_minify(shadow->base.width0, i); 1033 unsigned height = u_minify(shadow->base.height0, i); 1034 struct pipe_blit_info info = { 1035 .dst = { 1036 .resource = &shadow->base, 1037 .level = i, 1038 .box = { 1039 .x = 0, 1040 .y = 0, 1041 .z = 0, 1042 .width = width, 1043 .height = height, 1044 .depth = 1, 1045 }, 1046 .format = shadow->base.format, 1047 }, 1048 .src = { 1049 .resource = &orig->base, 1050 .level = pview->u.tex.first_level + i, 1051 .box = { 1052 .x = 0, 1053 .y = 0, 1054 .z = 0, 1055 .width = width, 1056 .height = height, 1057 .depth = 1, 1058 }, 1059 .format = orig->base.format, 1060 }, 1061 .mask = ~0, 1062 }; 1063 pctx->blit(pctx, &info); 1064 } 1065 1066 shadow->writes = orig->writes; 1067} 1068 1069/** 1070 * Converts a 4-byte index buffer to 2 bytes. 1071 * 1072 * Since GLES2 only has support for 1 and 2-byte indices, the hardware doesn't 1073 * include 4-byte index support, and we have to shrink it down. 1074 * 1075 * There's no fallback support for when indices end up being larger than 2^16, 1076 * though it will at least assertion fail. Also, if the original index data 1077 * was in user memory, it would be nice to not have uploaded it to a VBO 1078 * before translating. 1079 */ 1080struct pipe_resource * 1081vc4_get_shadow_index_buffer(struct pipe_context *pctx, 1082 const struct pipe_draw_info *info, 1083 uint32_t offset, 1084 uint32_t count, 1085 uint32_t *shadow_offset) 1086{ 1087 struct vc4_context *vc4 = vc4_context(pctx); 1088 struct vc4_resource *orig = vc4_resource(info->index.resource); 1089 perf_debug("Fallback conversion for %d uint indices\n", count); 1090 1091 void *data; 1092 struct pipe_resource *shadow_rsc = NULL; 1093 u_upload_alloc(vc4->uploader, 0, count * 2, 4, 1094 shadow_offset, &shadow_rsc, &data); 1095 uint16_t *dst = data; 1096 1097 struct pipe_transfer *src_transfer = NULL; 1098 const uint32_t *src; 1099 if (info->has_user_indices) { 1100 src = (uint32_t*)((char*)info->index.user + offset); 1101 } else { 1102 src = pipe_buffer_map_range(pctx, &orig->base, 1103 offset, 1104 count * 4, 1105 PIPE_MAP_READ, &src_transfer); 1106 } 1107 1108 for (int i = 0; i < count; i++) { 1109 uint32_t src_index = src[i]; 1110 assert(src_index <= 0xffff); 1111 dst[i] = src_index; 1112 } 1113 1114 if (src_transfer) 1115 pctx->buffer_unmap(pctx, src_transfer); 1116 1117 return shadow_rsc; 1118} 1119 1120static const struct u_transfer_vtbl transfer_vtbl = { 1121 .resource_create = vc4_resource_create, 1122 .resource_destroy = vc4_resource_destroy, 1123 .transfer_map = vc4_resource_transfer_map, 1124 .transfer_unmap = vc4_resource_transfer_unmap, 1125 .transfer_flush_region = u_default_transfer_flush_region, 1126}; 1127 1128void 1129vc4_resource_screen_init(struct pipe_screen *pscreen) 1130{ 1131 struct vc4_screen *screen = vc4_screen(pscreen); 1132 1133 pscreen->resource_create = vc4_resource_create; 1134 pscreen->resource_create_with_modifiers = 1135 vc4_resource_create_with_modifiers; 1136 pscreen->resource_from_handle = vc4_resource_from_handle; 1137 pscreen->resource_get_handle = vc4_resource_get_handle; 1138 pscreen->resource_get_param = vc4_resource_get_param; 1139 pscreen->resource_destroy = vc4_resource_destroy; 1140 pscreen->transfer_helper = u_transfer_helper_create(&transfer_vtbl, 1141 false, false, 1142 false, true, 1143 false); 1144 1145 /* Test if the kernel has GET_TILING; it will return -EINVAL if the 1146 * ioctl does not exist, but -ENOENT if we pass an impossible handle. 1147 * 0 cannot be a valid GEM object, so use that. 1148 */ 1149 struct drm_vc4_get_tiling get_tiling = { 1150 .handle = 0x0, 1151 }; 1152 int ret = vc4_ioctl(screen->fd, DRM_IOCTL_VC4_GET_TILING, &get_tiling); 1153 if (ret == -1 && errno == ENOENT) 1154 screen->has_tiling_ioctl = true; 1155} 1156 1157void 1158vc4_resource_context_init(struct pipe_context *pctx) 1159{ 1160 pctx->buffer_map = u_transfer_helper_transfer_map; 1161 pctx->texture_map = u_transfer_helper_transfer_map; 1162 pctx->transfer_flush_region = u_transfer_helper_transfer_flush_region; 1163 pctx->buffer_unmap = u_transfer_helper_transfer_unmap; 1164 pctx->texture_unmap = u_transfer_helper_transfer_unmap; 1165 pctx->buffer_subdata = u_default_buffer_subdata; 1166 pctx->texture_subdata = vc4_texture_subdata; 1167 pctx->create_surface = vc4_create_surface; 1168 pctx->surface_destroy = vc4_surface_destroy; 1169 pctx->resource_copy_region = util_resource_copy_region; 1170 pctx->blit = vc4_blit; 1171 pctx->flush_resource = vc4_flush_resource; 1172} 1173