1 /************************************************************************** 2 * 3 * Copyright 2011 Marek Olk <maraeo (at) gmail.com> 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 AUTHORS 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 #include "util/u_vbuf.h" 29 30 #include "util/u_dump.h" 31 #include "util/u_format.h" 32 #include "util/u_inlines.h" 33 #include "util/u_memory.h" 34 #include "util/u_upload_mgr.h" 35 #include "translate/translate.h" 36 #include "translate/translate_cache.h" 37 #include "cso_cache/cso_cache.h" 38 #include "cso_cache/cso_hash.h" 39 40 struct u_vbuf_elements { 41 unsigned count; 42 struct pipe_vertex_element ve[PIPE_MAX_ATTRIBS]; 43 44 unsigned src_format_size[PIPE_MAX_ATTRIBS]; 45 46 /* If (velem[i].src_format != native_format[i]), the vertex buffer 47 * referenced by the vertex element cannot be used for rendering and 48 * its vertex data must be translated to native_format[i]. */ 49 enum pipe_format native_format[PIPE_MAX_ATTRIBS]; 50 unsigned native_format_size[PIPE_MAX_ATTRIBS]; 51 52 /* This might mean two things: 53 * - src_format != native_format, as discussed above. 54 * - src_offset % 4 != 0 (if the caps don't allow such an offset). */ 55 uint32_t incompatible_elem_mask; /* each bit describes a corresp. attrib */ 56 /* Which buffer has at least one vertex element referencing it 57 * incompatible. */ 58 uint32_t incompatible_vb_mask_any; 59 /* Which buffer has all vertex elements referencing it incompatible. */ 60 uint32_t incompatible_vb_mask_all; 61 /* Which buffer has at least one vertex element referencing it 62 * compatible. */ 63 uint32_t compatible_vb_mask_any; 64 /* Which buffer has all vertex elements referencing it compatible. */ 65 uint32_t compatible_vb_mask_all; 66 67 /* Which buffer has at least one vertex element referencing it 68 * non-instanced. */ 69 uint32_t noninstance_vb_mask_any; 70 71 void *driver_cso; 72 }; 73 74 enum { 75 VB_VERTEX = 0, 76 VB_INSTANCE = 1, 77 VB_CONST = 2, 78 VB_NUM = 3 79 }; 80 81 struct u_vbuf { 82 struct u_vbuf_caps caps; 83 84 struct pipe_context *pipe; 85 struct translate_cache *translate_cache; 86 struct cso_cache *cso_cache; 87 struct u_upload_mgr *uploader; 88 89 /* This is what was set in set_vertex_buffers. 90 * May contain user buffers. */ 91 struct pipe_vertex_buffer vertex_buffer[PIPE_MAX_ATTRIBS]; 92 unsigned nr_vertex_buffers; 93 94 /* Saved vertex buffers. */ 95 struct pipe_vertex_buffer vertex_buffer_saved[PIPE_MAX_ATTRIBS]; 96 unsigned nr_vertex_buffers_saved; 97 98 /* Vertex buffers for the driver. 99 * There are no user buffers. */ 100 struct pipe_vertex_buffer real_vertex_buffer[PIPE_MAX_ATTRIBS]; 101 int nr_real_vertex_buffers; 102 boolean vertex_buffers_dirty; 103 104 /* The index buffer. */ 105 struct pipe_index_buffer index_buffer; 106 107 /* Vertex elements. */ 108 struct u_vbuf_elements *ve, *ve_saved; 109 110 /* Vertex elements used for the translate fallback. */ 111 struct pipe_vertex_element fallback_velems[PIPE_MAX_ATTRIBS]; 112 /* If non-NULL, this is a vertex element state used for the translate 113 * fallback and therefore used for rendering too. */ 114 boolean using_translate; 115 /* The vertex buffer slot index where translated vertices have been 116 * stored in. */ 117 unsigned fallback_vbs[VB_NUM]; 118 119 /* Which buffer is a user buffer. */ 120 uint32_t user_vb_mask; /* each bit describes a corresp. buffer */ 121 /* Which buffer is incompatible (unaligned). */ 122 uint32_t incompatible_vb_mask; /* each bit describes a corresp. buffer */ 123 /* Which buffer has a non-zero stride. */ 124 uint32_t nonzero_stride_vb_mask; /* each bit describes a corresp. buffer */ 125 }; 126 127 static void * 128 u_vbuf_create_vertex_elements(struct u_vbuf *mgr, unsigned count, 129 const struct pipe_vertex_element *attribs); 130 static void u_vbuf_delete_vertex_elements(struct u_vbuf *mgr, void *cso); 131 132 133 void u_vbuf_get_caps(struct pipe_screen *screen, struct u_vbuf_caps *caps) 134 { 135 caps->format_fixed32 = 136 screen->is_format_supported(screen, PIPE_FORMAT_R32_FIXED, PIPE_BUFFER, 137 0, PIPE_BIND_VERTEX_BUFFER); 138 139 caps->format_float16 = 140 screen->is_format_supported(screen, PIPE_FORMAT_R16_FLOAT, PIPE_BUFFER, 141 0, PIPE_BIND_VERTEX_BUFFER); 142 143 caps->format_float64 = 144 screen->is_format_supported(screen, PIPE_FORMAT_R64_FLOAT, PIPE_BUFFER, 145 0, PIPE_BIND_VERTEX_BUFFER); 146 147 caps->format_norm32 = 148 screen->is_format_supported(screen, PIPE_FORMAT_R32_UNORM, PIPE_BUFFER, 149 0, PIPE_BIND_VERTEX_BUFFER) && 150 screen->is_format_supported(screen, PIPE_FORMAT_R32_SNORM, PIPE_BUFFER, 151 0, PIPE_BIND_VERTEX_BUFFER); 152 153 caps->format_scaled32 = 154 screen->is_format_supported(screen, PIPE_FORMAT_R32_USCALED, PIPE_BUFFER, 155 0, PIPE_BIND_VERTEX_BUFFER) && 156 screen->is_format_supported(screen, PIPE_FORMAT_R32_SSCALED, PIPE_BUFFER, 157 0, PIPE_BIND_VERTEX_BUFFER); 158 159 caps->buffer_offset_unaligned = 160 !screen->get_param(screen, 161 PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY); 162 163 caps->buffer_stride_unaligned = 164 !screen->get_param(screen, 165 PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY); 166 167 caps->velem_src_offset_unaligned = 168 !screen->get_param(screen, 169 PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY); 170 171 caps->user_vertex_buffers = 172 screen->get_param(screen, PIPE_CAP_USER_VERTEX_BUFFERS); 173 } 174 175 struct u_vbuf * 176 u_vbuf_create(struct pipe_context *pipe, 177 struct u_vbuf_caps *caps) 178 { 179 struct u_vbuf *mgr = CALLOC_STRUCT(u_vbuf); 180 181 mgr->caps = *caps; 182 mgr->pipe = pipe; 183 mgr->cso_cache = cso_cache_create(); 184 mgr->translate_cache = translate_cache_create(); 185 memset(mgr->fallback_vbs, ~0, sizeof(mgr->fallback_vbs)); 186 187 mgr->uploader = u_upload_create(pipe, 1024 * 1024, 4, 188 PIPE_BIND_VERTEX_BUFFER); 189 190 return mgr; 191 } 192 193 /* u_vbuf uses its own caching for vertex elements, because it needs to keep 194 * its own preprocessed state per vertex element CSO. */ 195 static struct u_vbuf_elements * 196 u_vbuf_set_vertex_elements_internal(struct u_vbuf *mgr, unsigned count, 197 const struct pipe_vertex_element *states) 198 { 199 struct pipe_context *pipe = mgr->pipe; 200 unsigned key_size, hash_key; 201 struct cso_hash_iter iter; 202 struct u_vbuf_elements *ve; 203 struct cso_velems_state velems_state; 204 205 /* need to include the count into the stored state data too. */ 206 key_size = sizeof(struct pipe_vertex_element) * count + sizeof(unsigned); 207 velems_state.count = count; 208 memcpy(velems_state.velems, states, 209 sizeof(struct pipe_vertex_element) * count); 210 hash_key = cso_construct_key((void*)&velems_state, key_size); 211 iter = cso_find_state_template(mgr->cso_cache, hash_key, CSO_VELEMENTS, 212 (void*)&velems_state, key_size); 213 214 if (cso_hash_iter_is_null(iter)) { 215 struct cso_velements *cso = MALLOC_STRUCT(cso_velements); 216 memcpy(&cso->state, &velems_state, key_size); 217 cso->data = u_vbuf_create_vertex_elements(mgr, count, states); 218 cso->delete_state = (cso_state_callback)u_vbuf_delete_vertex_elements; 219 cso->context = (void*)mgr; 220 221 iter = cso_insert_state(mgr->cso_cache, hash_key, CSO_VELEMENTS, cso); 222 ve = cso->data; 223 } else { 224 ve = ((struct cso_velements *)cso_hash_iter_data(iter))->data; 225 } 226 227 assert(ve); 228 229 if (ve != mgr->ve) 230 pipe->bind_vertex_elements_state(pipe, ve->driver_cso); 231 return ve; 232 } 233 234 void u_vbuf_set_vertex_elements(struct u_vbuf *mgr, unsigned count, 235 const struct pipe_vertex_element *states) 236 { 237 mgr->ve = u_vbuf_set_vertex_elements_internal(mgr, count, states); 238 } 239 240 void u_vbuf_destroy(struct u_vbuf *mgr) 241 { 242 unsigned i; 243 244 mgr->pipe->set_vertex_buffers(mgr->pipe, 0, NULL); 245 246 for (i = 0; i < mgr->nr_vertex_buffers; i++) { 247 pipe_resource_reference(&mgr->vertex_buffer[i].buffer, NULL); 248 } 249 for (i = 0; i < mgr->nr_real_vertex_buffers; i++) { 250 pipe_resource_reference(&mgr->real_vertex_buffer[i].buffer, NULL); 251 } 252 253 translate_cache_destroy(mgr->translate_cache); 254 u_upload_destroy(mgr->uploader); 255 cso_cache_delete(mgr->cso_cache); 256 FREE(mgr); 257 } 258 259 static enum pipe_error 260 u_vbuf_translate_buffers(struct u_vbuf *mgr, struct translate_key *key, 261 unsigned vb_mask, unsigned out_vb, 262 int start_vertex, unsigned num_vertices, 263 int start_index, unsigned num_indices, int min_index, 264 boolean unroll_indices) 265 { 266 struct translate *tr; 267 struct pipe_transfer *vb_transfer[PIPE_MAX_ATTRIBS] = {0}; 268 struct pipe_resource *out_buffer = NULL; 269 uint8_t *out_map; 270 unsigned out_offset, i; 271 enum pipe_error err; 272 273 /* Get a translate object. */ 274 tr = translate_cache_find(mgr->translate_cache, key); 275 276 /* Map buffers we want to translate. */ 277 for (i = 0; i < mgr->nr_vertex_buffers; i++) { 278 if (vb_mask & (1 << i)) { 279 struct pipe_vertex_buffer *vb = &mgr->vertex_buffer[i]; 280 unsigned offset = vb->buffer_offset + vb->stride * start_vertex; 281 uint8_t *map; 282 283 if (vb->user_buffer) { 284 map = (uint8_t*)vb->user_buffer + offset; 285 } else { 286 unsigned size = vb->stride ? num_vertices * vb->stride 287 : sizeof(double)*4; 288 289 if (offset+size > vb->buffer->width0) { 290 size = vb->buffer->width0 - offset; 291 } 292 293 map = pipe_buffer_map_range(mgr->pipe, vb->buffer, offset, size, 294 PIPE_TRANSFER_READ, &vb_transfer[i]); 295 } 296 297 /* Subtract min_index so that indexing with the index buffer works. */ 298 if (unroll_indices) { 299 map -= vb->stride * min_index; 300 } 301 302 tr->set_buffer(tr, i, map, vb->stride, ~0); 303 } 304 } 305 306 /* Translate. */ 307 if (unroll_indices) { 308 struct pipe_index_buffer *ib = &mgr->index_buffer; 309 struct pipe_transfer *transfer = NULL; 310 unsigned offset = ib->offset + start_index * ib->index_size; 311 uint8_t *map; 312 313 assert((ib->buffer || ib->user_buffer) && ib->index_size); 314 315 /* Create and map the output buffer. */ 316 err = u_upload_alloc(mgr->uploader, 0, 317 key->output_stride * num_indices, 318 &out_offset, &out_buffer, 319 (void**)&out_map); 320 if (err != PIPE_OK) 321 return err; 322 323 if (ib->user_buffer) { 324 map = (uint8_t*)ib->user_buffer + offset; 325 } else { 326 map = pipe_buffer_map_range(mgr->pipe, ib->buffer, offset, 327 num_indices * ib->index_size, 328 PIPE_TRANSFER_READ, &transfer); 329 } 330 331 switch (ib->index_size) { 332 case 4: 333 tr->run_elts(tr, (unsigned*)map, num_indices, 0, out_map); 334 break; 335 case 2: 336 tr->run_elts16(tr, (uint16_t*)map, num_indices, 0, out_map); 337 break; 338 case 1: 339 tr->run_elts8(tr, map, num_indices, 0, out_map); 340 break; 341 } 342 343 if (transfer) { 344 pipe_buffer_unmap(mgr->pipe, transfer); 345 } 346 } else { 347 /* Create and map the output buffer. */ 348 err = u_upload_alloc(mgr->uploader, 349 key->output_stride * start_vertex, 350 key->output_stride * num_vertices, 351 &out_offset, &out_buffer, 352 (void**)&out_map); 353 if (err != PIPE_OK) 354 return err; 355 356 out_offset -= key->output_stride * start_vertex; 357 358 tr->run(tr, 0, num_vertices, 0, out_map); 359 } 360 361 /* Unmap all buffers. */ 362 for (i = 0; i < mgr->nr_vertex_buffers; i++) { 363 if (vb_transfer[i]) { 364 pipe_buffer_unmap(mgr->pipe, vb_transfer[i]); 365 } 366 } 367 368 /* Setup the new vertex buffer. */ 369 mgr->real_vertex_buffer[out_vb].buffer_offset = out_offset; 370 mgr->real_vertex_buffer[out_vb].stride = key->output_stride; 371 372 /* Move the buffer reference. */ 373 pipe_resource_reference( 374 &mgr->real_vertex_buffer[out_vb].buffer, NULL); 375 mgr->real_vertex_buffer[out_vb].buffer = out_buffer; 376 377 return PIPE_OK; 378 } 379 380 static boolean 381 u_vbuf_translate_find_free_vb_slots(struct u_vbuf *mgr, 382 unsigned mask[VB_NUM]) 383 { 384 unsigned type; 385 unsigned fallback_vbs[VB_NUM]; 386 /* Set the bit for each buffer which is incompatible, or isn't set. */ 387 uint32_t unused_vb_mask = 388 mgr->ve->incompatible_vb_mask_all | mgr->incompatible_vb_mask | 389 ~((1 << mgr->nr_vertex_buffers) - 1); 390 391 memset(fallback_vbs, ~0, sizeof(fallback_vbs)); 392 393 /* Find free slots for each type if needed. */ 394 for (type = 0; type < VB_NUM; type++) { 395 if (mask[type]) { 396 uint32_t index; 397 398 if (!unused_vb_mask) { 399 /* fail, reset the number to its original value */ 400 mgr->nr_real_vertex_buffers = mgr->nr_vertex_buffers; 401 return FALSE; 402 } 403 404 index = ffs(unused_vb_mask) - 1; 405 fallback_vbs[type] = index; 406 if (index >= mgr->nr_real_vertex_buffers) { 407 mgr->nr_real_vertex_buffers = index + 1; 408 } 409 /*printf("found slot=%i for type=%i\n", index, type);*/ 410 } 411 } 412 413 memcpy(mgr->fallback_vbs, fallback_vbs, sizeof(fallback_vbs)); 414 return TRUE; 415 } 416 417 static boolean 418 u_vbuf_translate_begin(struct u_vbuf *mgr, 419 int start_vertex, unsigned num_vertices, 420 int start_instance, unsigned num_instances, 421 int start_index, unsigned num_indices, int min_index, 422 boolean unroll_indices) 423 { 424 unsigned mask[VB_NUM] = {0}; 425 struct translate_key key[VB_NUM]; 426 unsigned elem_index[VB_NUM][PIPE_MAX_ATTRIBS]; /* ... into key.elements */ 427 unsigned i, type; 428 429 int start[VB_NUM] = { 430 start_vertex, /* VERTEX */ 431 start_instance, /* INSTANCE */ 432 0 /* CONST */ 433 }; 434 435 unsigned num[VB_NUM] = { 436 num_vertices, /* VERTEX */ 437 num_instances, /* INSTANCE */ 438 1 /* CONST */ 439 }; 440 441 memset(key, 0, sizeof(key)); 442 memset(elem_index, ~0, sizeof(elem_index)); 443 444 /* See if there are vertex attribs of each type to translate and 445 * which ones. */ 446 for (i = 0; i < mgr->ve->count; i++) { 447 unsigned vb_index = mgr->ve->ve[i].vertex_buffer_index; 448 449 if (!mgr->vertex_buffer[vb_index].stride) { 450 if (!(mgr->ve->incompatible_elem_mask & (1 << i)) && 451 !(mgr->incompatible_vb_mask & (1 << vb_index))) { 452 continue; 453 } 454 mask[VB_CONST] |= 1 << vb_index; 455 } else if (mgr->ve->ve[i].instance_divisor) { 456 if (!(mgr->ve->incompatible_elem_mask & (1 << i)) && 457 !(mgr->incompatible_vb_mask & (1 << vb_index))) { 458 continue; 459 } 460 mask[VB_INSTANCE] |= 1 << vb_index; 461 } else { 462 if (!unroll_indices && 463 !(mgr->ve->incompatible_elem_mask & (1 << i)) && 464 !(mgr->incompatible_vb_mask & (1 << vb_index))) { 465 continue; 466 } 467 mask[VB_VERTEX] |= 1 << vb_index; 468 } 469 } 470 471 assert(mask[VB_VERTEX] || mask[VB_INSTANCE] || mask[VB_CONST]); 472 473 /* Find free vertex buffer slots. */ 474 if (!u_vbuf_translate_find_free_vb_slots(mgr, mask)) { 475 return FALSE; 476 } 477 478 /* Initialize the translate keys. */ 479 for (i = 0; i < mgr->ve->count; i++) { 480 struct translate_key *k; 481 struct translate_element *te; 482 unsigned bit, vb_index = mgr->ve->ve[i].vertex_buffer_index; 483 bit = 1 << vb_index; 484 485 if (!(mgr->ve->incompatible_elem_mask & (1 << i)) && 486 !(mgr->incompatible_vb_mask & (1 << vb_index)) && 487 (!unroll_indices || !(mask[VB_VERTEX] & bit))) { 488 continue; 489 } 490 491 /* Set type to what we will translate. 492 * Whether vertex, instance, or constant attribs. */ 493 for (type = 0; type < VB_NUM; type++) { 494 if (mask[type] & bit) { 495 break; 496 } 497 } 498 assert(type < VB_NUM); 499 assert(translate_is_output_format_supported(mgr->ve->native_format[i])); 500 /*printf("velem=%i type=%i\n", i, type);*/ 501 502 /* Add the vertex element. */ 503 k = &key[type]; 504 elem_index[type][i] = k->nr_elements; 505 506 te = &k->element[k->nr_elements]; 507 te->type = TRANSLATE_ELEMENT_NORMAL; 508 te->instance_divisor = 0; 509 te->input_buffer = vb_index; 510 te->input_format = mgr->ve->ve[i].src_format; 511 te->input_offset = mgr->ve->ve[i].src_offset; 512 te->output_format = mgr->ve->native_format[i]; 513 te->output_offset = k->output_stride; 514 515 k->output_stride += mgr->ve->native_format_size[i]; 516 k->nr_elements++; 517 } 518 519 /* Translate buffers. */ 520 for (type = 0; type < VB_NUM; type++) { 521 if (key[type].nr_elements) { 522 enum pipe_error err; 523 err = u_vbuf_translate_buffers(mgr, &key[type], mask[type], 524 mgr->fallback_vbs[type], 525 start[type], num[type], 526 start_index, num_indices, min_index, 527 unroll_indices && type == VB_VERTEX); 528 if (err != PIPE_OK) 529 return FALSE; 530 531 /* Fixup the stride for constant attribs. */ 532 if (type == VB_CONST) { 533 mgr->real_vertex_buffer[mgr->fallback_vbs[VB_CONST]].stride = 0; 534 } 535 } 536 } 537 538 /* Setup new vertex elements. */ 539 for (i = 0; i < mgr->ve->count; i++) { 540 for (type = 0; type < VB_NUM; type++) { 541 if (elem_index[type][i] < key[type].nr_elements) { 542 struct translate_element *te = &key[type].element[elem_index[type][i]]; 543 mgr->fallback_velems[i].instance_divisor = mgr->ve->ve[i].instance_divisor; 544 mgr->fallback_velems[i].src_format = te->output_format; 545 mgr->fallback_velems[i].src_offset = te->output_offset; 546 mgr->fallback_velems[i].vertex_buffer_index = mgr->fallback_vbs[type]; 547 548 /* elem_index[type][i] can only be set for one type. */ 549 assert(type > VB_INSTANCE || elem_index[type+1][i] == ~0); 550 assert(type > VB_VERTEX || elem_index[type+2][i] == ~0); 551 break; 552 } 553 } 554 /* No translating, just copy the original vertex element over. */ 555 if (type == VB_NUM) { 556 memcpy(&mgr->fallback_velems[i], &mgr->ve->ve[i], 557 sizeof(struct pipe_vertex_element)); 558 } 559 } 560 561 u_vbuf_set_vertex_elements_internal(mgr, mgr->ve->count, 562 mgr->fallback_velems); 563 mgr->using_translate = TRUE; 564 return TRUE; 565 } 566 567 static void u_vbuf_translate_end(struct u_vbuf *mgr) 568 { 569 unsigned i; 570 571 /* Restore vertex elements. */ 572 mgr->pipe->bind_vertex_elements_state(mgr->pipe, mgr->ve->driver_cso); 573 mgr->using_translate = FALSE; 574 575 /* Unreference the now-unused VBOs. */ 576 for (i = 0; i < VB_NUM; i++) { 577 unsigned vb = mgr->fallback_vbs[i]; 578 if (vb != ~0) { 579 pipe_resource_reference(&mgr->real_vertex_buffer[vb].buffer, NULL); 580 mgr->fallback_vbs[i] = ~0; 581 } 582 } 583 mgr->nr_real_vertex_buffers = mgr->nr_vertex_buffers; 584 } 585 586 #define FORMAT_REPLACE(what, withwhat) \ 587 case PIPE_FORMAT_##what: format = PIPE_FORMAT_##withwhat; break 588 589 static void * 590 u_vbuf_create_vertex_elements(struct u_vbuf *mgr, unsigned count, 591 const struct pipe_vertex_element *attribs) 592 { 593 struct pipe_context *pipe = mgr->pipe; 594 unsigned i; 595 struct pipe_vertex_element driver_attribs[PIPE_MAX_ATTRIBS]; 596 struct u_vbuf_elements *ve = CALLOC_STRUCT(u_vbuf_elements); 597 uint32_t used_buffers = 0; 598 599 ve->count = count; 600 601 memcpy(ve->ve, attribs, sizeof(struct pipe_vertex_element) * count); 602 memcpy(driver_attribs, attribs, sizeof(struct pipe_vertex_element) * count); 603 604 /* Set the best native format in case the original format is not 605 * supported. */ 606 for (i = 0; i < count; i++) { 607 enum pipe_format format = ve->ve[i].src_format; 608 609 ve->src_format_size[i] = util_format_get_blocksize(format); 610 611 used_buffers |= 1 << ve->ve[i].vertex_buffer_index; 612 613 if (!ve->ve[i].instance_divisor) { 614 ve->noninstance_vb_mask_any |= 1 << ve->ve[i].vertex_buffer_index; 615 } 616 617 /* Choose a native format. 618 * For now we don't care about the alignment, that's going to 619 * be sorted out later. */ 620 if (!mgr->caps.format_fixed32) { 621 switch (format) { 622 FORMAT_REPLACE(R32_FIXED, R32_FLOAT); 623 FORMAT_REPLACE(R32G32_FIXED, R32G32_FLOAT); 624 FORMAT_REPLACE(R32G32B32_FIXED, R32G32B32_FLOAT); 625 FORMAT_REPLACE(R32G32B32A32_FIXED, R32G32B32A32_FLOAT); 626 default:; 627 } 628 } 629 if (!mgr->caps.format_float16) { 630 switch (format) { 631 FORMAT_REPLACE(R16_FLOAT, R32_FLOAT); 632 FORMAT_REPLACE(R16G16_FLOAT, R32G32_FLOAT); 633 FORMAT_REPLACE(R16G16B16_FLOAT, R32G32B32_FLOAT); 634 FORMAT_REPLACE(R16G16B16A16_FLOAT, R32G32B32A32_FLOAT); 635 default:; 636 } 637 } 638 if (!mgr->caps.format_float64) { 639 switch (format) { 640 FORMAT_REPLACE(R64_FLOAT, R32_FLOAT); 641 FORMAT_REPLACE(R64G64_FLOAT, R32G32_FLOAT); 642 FORMAT_REPLACE(R64G64B64_FLOAT, R32G32B32_FLOAT); 643 FORMAT_REPLACE(R64G64B64A64_FLOAT, R32G32B32A32_FLOAT); 644 default:; 645 } 646 } 647 if (!mgr->caps.format_norm32) { 648 switch (format) { 649 FORMAT_REPLACE(R32_UNORM, R32_FLOAT); 650 FORMAT_REPLACE(R32G32_UNORM, R32G32_FLOAT); 651 FORMAT_REPLACE(R32G32B32_UNORM, R32G32B32_FLOAT); 652 FORMAT_REPLACE(R32G32B32A32_UNORM, R32G32B32A32_FLOAT); 653 FORMAT_REPLACE(R32_SNORM, R32_FLOAT); 654 FORMAT_REPLACE(R32G32_SNORM, R32G32_FLOAT); 655 FORMAT_REPLACE(R32G32B32_SNORM, R32G32B32_FLOAT); 656 FORMAT_REPLACE(R32G32B32A32_SNORM, R32G32B32A32_FLOAT); 657 default:; 658 } 659 } 660 if (!mgr->caps.format_scaled32) { 661 switch (format) { 662 FORMAT_REPLACE(R32_USCALED, R32_FLOAT); 663 FORMAT_REPLACE(R32G32_USCALED, R32G32_FLOAT); 664 FORMAT_REPLACE(R32G32B32_USCALED, R32G32B32_FLOAT); 665 FORMAT_REPLACE(R32G32B32A32_USCALED,R32G32B32A32_FLOAT); 666 FORMAT_REPLACE(R32_SSCALED, R32_FLOAT); 667 FORMAT_REPLACE(R32G32_SSCALED, R32G32_FLOAT); 668 FORMAT_REPLACE(R32G32B32_SSCALED, R32G32B32_FLOAT); 669 FORMAT_REPLACE(R32G32B32A32_SSCALED,R32G32B32A32_FLOAT); 670 default:; 671 } 672 } 673 674 driver_attribs[i].src_format = format; 675 ve->native_format[i] = format; 676 ve->native_format_size[i] = 677 util_format_get_blocksize(ve->native_format[i]); 678 679 if (ve->ve[i].src_format != format || 680 (!mgr->caps.velem_src_offset_unaligned && 681 ve->ve[i].src_offset % 4 != 0)) { 682 ve->incompatible_elem_mask |= 1 << i; 683 ve->incompatible_vb_mask_any |= 1 << ve->ve[i].vertex_buffer_index; 684 } else { 685 ve->compatible_vb_mask_any |= 1 << ve->ve[i].vertex_buffer_index; 686 } 687 } 688 689 ve->compatible_vb_mask_all = ~ve->incompatible_vb_mask_any & used_buffers; 690 ve->incompatible_vb_mask_all = ~ve->compatible_vb_mask_any & used_buffers; 691 692 /* Align the formats to the size of DWORD if needed. */ 693 if (!mgr->caps.velem_src_offset_unaligned) { 694 for (i = 0; i < count; i++) { 695 ve->native_format_size[i] = align(ve->native_format_size[i], 4); 696 } 697 } 698 699 ve->driver_cso = 700 pipe->create_vertex_elements_state(pipe, count, driver_attribs); 701 return ve; 702 } 703 704 static void u_vbuf_delete_vertex_elements(struct u_vbuf *mgr, void *cso) 705 { 706 struct pipe_context *pipe = mgr->pipe; 707 struct u_vbuf_elements *ve = cso; 708 709 pipe->delete_vertex_elements_state(pipe, ve->driver_cso); 710 FREE(ve); 711 } 712 713 void u_vbuf_set_vertex_buffers(struct u_vbuf *mgr, unsigned count, 714 const struct pipe_vertex_buffer *bufs) 715 { 716 unsigned i; 717 718 mgr->user_vb_mask = 0; 719 mgr->incompatible_vb_mask = 0; 720 mgr->nonzero_stride_vb_mask = 0; 721 722 for (i = 0; i < count; i++) { 723 const struct pipe_vertex_buffer *vb = &bufs[i]; 724 struct pipe_vertex_buffer *orig_vb = &mgr->vertex_buffer[i]; 725 struct pipe_vertex_buffer *real_vb = &mgr->real_vertex_buffer[i]; 726 727 pipe_resource_reference(&orig_vb->buffer, vb->buffer); 728 orig_vb->user_buffer = vb->user_buffer; 729 730 real_vb->buffer_offset = orig_vb->buffer_offset = vb->buffer_offset; 731 real_vb->stride = orig_vb->stride = vb->stride; 732 real_vb->user_buffer = NULL; 733 734 if (vb->stride) { 735 mgr->nonzero_stride_vb_mask |= 1 << i; 736 } 737 738 if (!vb->buffer && !vb->user_buffer) { 739 pipe_resource_reference(&real_vb->buffer, NULL); 740 continue; 741 } 742 743 if ((!mgr->caps.buffer_offset_unaligned && vb->buffer_offset % 4 != 0) || 744 (!mgr->caps.buffer_stride_unaligned && vb->stride % 4 != 0)) { 745 mgr->incompatible_vb_mask |= 1 << i; 746 pipe_resource_reference(&real_vb->buffer, NULL); 747 continue; 748 } 749 750 if (!mgr->caps.user_vertex_buffers && vb->user_buffer) { 751 mgr->user_vb_mask |= 1 << i; 752 pipe_resource_reference(&real_vb->buffer, NULL); 753 continue; 754 } 755 756 pipe_resource_reference(&real_vb->buffer, vb->buffer); 757 real_vb->user_buffer = vb->user_buffer; 758 } 759 760 for (i = count; i < mgr->nr_vertex_buffers; i++) { 761 pipe_resource_reference(&mgr->vertex_buffer[i].buffer, NULL); 762 } 763 for (i = count; i < mgr->nr_real_vertex_buffers; i++) { 764 pipe_resource_reference(&mgr->real_vertex_buffer[i].buffer, NULL); 765 } 766 767 mgr->nr_vertex_buffers = count; 768 mgr->nr_real_vertex_buffers = count; 769 mgr->vertex_buffers_dirty = TRUE; 770 } 771 772 void u_vbuf_set_index_buffer(struct u_vbuf *mgr, 773 const struct pipe_index_buffer *ib) 774 { 775 struct pipe_context *pipe = mgr->pipe; 776 777 if (ib) { 778 assert(ib->offset % ib->index_size == 0); 779 pipe_resource_reference(&mgr->index_buffer.buffer, ib->buffer); 780 memcpy(&mgr->index_buffer, ib, sizeof(*ib)); 781 } else { 782 pipe_resource_reference(&mgr->index_buffer.buffer, NULL); 783 } 784 785 pipe->set_index_buffer(pipe, ib); 786 } 787 788 static enum pipe_error 789 u_vbuf_upload_buffers(struct u_vbuf *mgr, 790 int start_vertex, unsigned num_vertices, 791 int start_instance, unsigned num_instances) 792 { 793 unsigned i; 794 unsigned nr_velems = mgr->ve->count; 795 unsigned nr_vbufs = mgr->nr_vertex_buffers; 796 struct pipe_vertex_element *velems = 797 mgr->using_translate ? mgr->fallback_velems : mgr->ve->ve; 798 unsigned start_offset[PIPE_MAX_ATTRIBS]; 799 unsigned end_offset[PIPE_MAX_ATTRIBS] = {0}; 800 801 /* Determine how much data needs to be uploaded. */ 802 for (i = 0; i < nr_velems; i++) { 803 struct pipe_vertex_element *velem = &velems[i]; 804 unsigned index = velem->vertex_buffer_index; 805 struct pipe_vertex_buffer *vb = &mgr->vertex_buffer[index]; 806 unsigned instance_div, first, size; 807 808 /* Skip the buffers generated by translate. */ 809 if (index == mgr->fallback_vbs[VB_VERTEX] || 810 index == mgr->fallback_vbs[VB_INSTANCE] || 811 index == mgr->fallback_vbs[VB_CONST]) { 812 continue; 813 } 814 815 if (!vb->user_buffer) { 816 continue; 817 } 818 819 instance_div = velem->instance_divisor; 820 first = vb->buffer_offset + velem->src_offset; 821 822 if (!vb->stride) { 823 /* Constant attrib. */ 824 size = mgr->ve->src_format_size[i]; 825 } else if (instance_div) { 826 /* Per-instance attrib. */ 827 unsigned count = (num_instances + instance_div - 1) / instance_div; 828 first += vb->stride * start_instance; 829 size = vb->stride * (count - 1) + mgr->ve->src_format_size[i]; 830 } else { 831 /* Per-vertex attrib. */ 832 first += vb->stride * start_vertex; 833 size = vb->stride * (num_vertices - 1) + mgr->ve->src_format_size[i]; 834 } 835 836 /* Update offsets. */ 837 if (!end_offset[index]) { 838 start_offset[index] = first; 839 end_offset[index] = first + size; 840 } else { 841 if (first < start_offset[index]) 842 start_offset[index] = first; 843 if (first + size > end_offset[index]) 844 end_offset[index] = first + size; 845 } 846 } 847 848 /* Upload buffers. */ 849 for (i = 0; i < nr_vbufs; i++) { 850 unsigned start, end = end_offset[i]; 851 struct pipe_vertex_buffer *real_vb; 852 const uint8_t *ptr; 853 enum pipe_error err; 854 855 if (!end) { 856 continue; 857 } 858 859 start = start_offset[i]; 860 assert(start < end); 861 862 real_vb = &mgr->real_vertex_buffer[i]; 863 ptr = mgr->vertex_buffer[i].user_buffer; 864 865 err = u_upload_data(mgr->uploader, start, end - start, ptr + start, 866 &real_vb->buffer_offset, &real_vb->buffer); 867 if (err != PIPE_OK) 868 return err; 869 870 real_vb->buffer_offset -= start; 871 } 872 873 return PIPE_OK; 874 } 875 876 static boolean u_vbuf_need_minmax_index(struct u_vbuf *mgr) 877 { 878 /* See if there are any per-vertex attribs which will be uploaded or 879 * translated. Use bitmasks to get the info instead of looping over vertex 880 * elements. */ 881 return ((mgr->user_vb_mask | mgr->incompatible_vb_mask | 882 mgr->ve->incompatible_vb_mask_any) & 883 mgr->ve->noninstance_vb_mask_any & mgr->nonzero_stride_vb_mask) != 0; 884 } 885 886 static boolean u_vbuf_mapping_vertex_buffer_blocks(struct u_vbuf *mgr) 887 { 888 /* Return true if there are hw buffers which don't need to be translated. 889 * 890 * We could query whether each buffer is busy, but that would 891 * be way more costly than this. */ 892 return (~mgr->user_vb_mask & ~mgr->incompatible_vb_mask & 893 mgr->ve->compatible_vb_mask_all & mgr->ve->noninstance_vb_mask_any & 894 mgr->nonzero_stride_vb_mask) != 0; 895 } 896 897 static void u_vbuf_get_minmax_index(struct pipe_context *pipe, 898 struct pipe_index_buffer *ib, 899 const struct pipe_draw_info *info, 900 int *out_min_index, 901 int *out_max_index) 902 { 903 struct pipe_transfer *transfer = NULL; 904 const void *indices; 905 unsigned i; 906 unsigned restart_index = info->restart_index; 907 908 if (ib->user_buffer) { 909 indices = (uint8_t*)ib->user_buffer + 910 ib->offset + info->start * ib->index_size; 911 } else { 912 indices = pipe_buffer_map_range(pipe, ib->buffer, 913 ib->offset + info->start * ib->index_size, 914 info->count * ib->index_size, 915 PIPE_TRANSFER_READ, &transfer); 916 } 917 918 switch (ib->index_size) { 919 case 4: { 920 const unsigned *ui_indices = (const unsigned*)indices; 921 unsigned max_ui = 0; 922 unsigned min_ui = ~0U; 923 if (info->primitive_restart) { 924 for (i = 0; i < info->count; i++) { 925 if (ui_indices[i] != restart_index) { 926 if (ui_indices[i] > max_ui) max_ui = ui_indices[i]; 927 if (ui_indices[i] < min_ui) min_ui = ui_indices[i]; 928 } 929 } 930 } 931 else { 932 for (i = 0; i < info->count; i++) { 933 if (ui_indices[i] > max_ui) max_ui = ui_indices[i]; 934 if (ui_indices[i] < min_ui) min_ui = ui_indices[i]; 935 } 936 } 937 *out_min_index = min_ui; 938 *out_max_index = max_ui; 939 break; 940 } 941 case 2: { 942 const unsigned short *us_indices = (const unsigned short*)indices; 943 unsigned max_us = 0; 944 unsigned min_us = ~0U; 945 if (info->primitive_restart) { 946 for (i = 0; i < info->count; i++) { 947 if (us_indices[i] != restart_index) { 948 if (us_indices[i] > max_us) max_us = us_indices[i]; 949 if (us_indices[i] < min_us) min_us = us_indices[i]; 950 } 951 } 952 } 953 else { 954 for (i = 0; i < info->count; i++) { 955 if (us_indices[i] > max_us) max_us = us_indices[i]; 956 if (us_indices[i] < min_us) min_us = us_indices[i]; 957 } 958 } 959 *out_min_index = min_us; 960 *out_max_index = max_us; 961 break; 962 } 963 case 1: { 964 const unsigned char *ub_indices = (const unsigned char*)indices; 965 unsigned max_ub = 0; 966 unsigned min_ub = ~0U; 967 if (info->primitive_restart) { 968 for (i = 0; i < info->count; i++) { 969 if (ub_indices[i] != restart_index) { 970 if (ub_indices[i] > max_ub) max_ub = ub_indices[i]; 971 if (ub_indices[i] < min_ub) min_ub = ub_indices[i]; 972 } 973 } 974 } 975 else { 976 for (i = 0; i < info->count; i++) { 977 if (ub_indices[i] > max_ub) max_ub = ub_indices[i]; 978 if (ub_indices[i] < min_ub) min_ub = ub_indices[i]; 979 } 980 } 981 *out_min_index = min_ub; 982 *out_max_index = max_ub; 983 break; 984 } 985 default: 986 assert(0); 987 *out_min_index = 0; 988 *out_max_index = 0; 989 } 990 991 if (transfer) { 992 pipe_buffer_unmap(pipe, transfer); 993 } 994 } 995 996 void u_vbuf_draw_vbo(struct u_vbuf *mgr, const struct pipe_draw_info *info) 997 { 998 struct pipe_context *pipe = mgr->pipe; 999 int start_vertex, min_index; 1000 unsigned num_vertices; 1001 boolean unroll_indices = FALSE; 1002 uint32_t user_vb_mask = mgr->user_vb_mask; 1003 1004 /* Normal draw. No fallback and no user buffers. */ 1005 if (!mgr->incompatible_vb_mask && 1006 !mgr->ve->incompatible_elem_mask && 1007 !user_vb_mask) { 1008 /* Set vertex buffers if needed. */ 1009 if (mgr->vertex_buffers_dirty) { 1010 pipe->set_vertex_buffers(pipe, mgr->nr_real_vertex_buffers, 1011 mgr->real_vertex_buffer); 1012 mgr->vertex_buffers_dirty = FALSE; 1013 } 1014 1015 pipe->draw_vbo(pipe, info); 1016 return; 1017 } 1018 1019 if (info->indexed) { 1020 /* See if anything needs to be done for per-vertex attribs. */ 1021 if (u_vbuf_need_minmax_index(mgr)) { 1022 int max_index; 1023 1024 if (info->max_index != ~0) { 1025 min_index = info->min_index; 1026 max_index = info->max_index; 1027 } else { 1028 u_vbuf_get_minmax_index(mgr->pipe, &mgr->index_buffer, info, 1029 &min_index, &max_index); 1030 } 1031 1032 assert(min_index <= max_index); 1033 1034 start_vertex = min_index + info->index_bias; 1035 num_vertices = max_index + 1 - min_index; 1036 1037 /* Primitive restart doesn't work when unrolling indices. 1038 * We would have to break this drawing operation into several ones. */ 1039 /* Use some heuristic to see if unrolling indices improves 1040 * performance. */ 1041 if (!info->primitive_restart && 1042 num_vertices > info->count*2 && 1043 num_vertices-info->count > 32 && 1044 !u_vbuf_mapping_vertex_buffer_blocks(mgr)) { 1045 /*printf("num_vertices=%i count=%i\n", num_vertices, info->count);*/ 1046 unroll_indices = TRUE; 1047 user_vb_mask &= ~(mgr->nonzero_stride_vb_mask & 1048 mgr->ve->noninstance_vb_mask_any); 1049 } 1050 } else { 1051 /* Nothing to do for per-vertex attribs. */ 1052 start_vertex = 0; 1053 num_vertices = 0; 1054 min_index = 0; 1055 } 1056 } else { 1057 start_vertex = info->start; 1058 num_vertices = info->count; 1059 min_index = 0; 1060 } 1061 1062 /* Translate vertices with non-native layouts or formats. */ 1063 if (unroll_indices || 1064 mgr->incompatible_vb_mask || 1065 mgr->ve->incompatible_elem_mask) { 1066 if (!u_vbuf_translate_begin(mgr, start_vertex, num_vertices, 1067 info->start_instance, info->instance_count, 1068 info->start, info->count, min_index, 1069 unroll_indices)) { 1070 debug_warn_once("u_vbuf_translate_begin() failed"); 1071 return; 1072 } 1073 1074 user_vb_mask &= ~(mgr->incompatible_vb_mask | 1075 mgr->ve->incompatible_vb_mask_all); 1076 } 1077 1078 /* Upload user buffers. */ 1079 if (user_vb_mask) { 1080 if (u_vbuf_upload_buffers(mgr, start_vertex, num_vertices, 1081 info->start_instance, 1082 info->instance_count) != PIPE_OK) { 1083 debug_warn_once("u_vbuf_upload_buffers() failed"); 1084 return; 1085 } 1086 } 1087 1088 /* 1089 if (unroll_indices) { 1090 printf("unrolling indices: start_vertex = %i, num_vertices = %i\n", 1091 start_vertex, num_vertices); 1092 util_dump_draw_info(stdout, info); 1093 printf("\n"); 1094 } 1095 1096 unsigned i; 1097 for (i = 0; i < mgr->nr_vertex_buffers; i++) { 1098 printf("input %i: ", i); 1099 util_dump_vertex_buffer(stdout, mgr->vertex_buffer+i); 1100 printf("\n"); 1101 } 1102 for (i = 0; i < mgr->nr_real_vertex_buffers; i++) { 1103 printf("real %i: ", i); 1104 util_dump_vertex_buffer(stdout, mgr->real_vertex_buffer+i); 1105 printf("\n"); 1106 } 1107 */ 1108 1109 u_upload_unmap(mgr->uploader); 1110 pipe->set_vertex_buffers(pipe, mgr->nr_real_vertex_buffers, 1111 mgr->real_vertex_buffer); 1112 1113 if (unlikely(unroll_indices)) { 1114 struct pipe_draw_info new_info = *info; 1115 new_info.indexed = FALSE; 1116 new_info.index_bias = 0; 1117 new_info.min_index = 0; 1118 new_info.max_index = info->count - 1; 1119 new_info.start = 0; 1120 1121 pipe->draw_vbo(pipe, &new_info); 1122 } else { 1123 pipe->draw_vbo(pipe, info); 1124 } 1125 1126 if (mgr->using_translate) { 1127 u_vbuf_translate_end(mgr); 1128 } 1129 mgr->vertex_buffers_dirty = TRUE; 1130 } 1131 1132 void u_vbuf_save_vertex_elements(struct u_vbuf *mgr) 1133 { 1134 assert(!mgr->ve_saved); 1135 mgr->ve_saved = mgr->ve; 1136 } 1137 1138 void u_vbuf_restore_vertex_elements(struct u_vbuf *mgr) 1139 { 1140 if (mgr->ve != mgr->ve_saved) { 1141 struct pipe_context *pipe = mgr->pipe; 1142 1143 mgr->ve = mgr->ve_saved; 1144 pipe->bind_vertex_elements_state(pipe, 1145 mgr->ve ? mgr->ve->driver_cso : NULL); 1146 } 1147 mgr->ve_saved = NULL; 1148 } 1149 1150 void u_vbuf_save_vertex_buffers(struct u_vbuf *mgr) 1151 { 1152 util_copy_vertex_buffers(mgr->vertex_buffer_saved, 1153 &mgr->nr_vertex_buffers_saved, 1154 mgr->vertex_buffer, 1155 mgr->nr_vertex_buffers); 1156 } 1157 1158 void u_vbuf_restore_vertex_buffers(struct u_vbuf *mgr) 1159 { 1160 unsigned i; 1161 1162 u_vbuf_set_vertex_buffers(mgr, mgr->nr_vertex_buffers_saved, 1163 mgr->vertex_buffer_saved); 1164 for (i = 0; i < mgr->nr_vertex_buffers_saved; i++) { 1165 pipe_resource_reference(&mgr->vertex_buffer_saved[i].buffer, NULL); 1166 } 1167 mgr->nr_vertex_buffers_saved = 0; 1168 } 1169
