1 /* 2 * Copyright 2011 Nouveau Project 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, 18 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF 19 * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 20 * SOFTWARE. 21 * 22 * Authors: Christoph Bumiller 23 */ 24 25 #define NVC0_PUSH_EXPLICIT_SPACE_CHECKING 26 27 #include "nvc0_context.h" 28 #include "nouveau/nv_object.xml.h" 29 30 #define NVC0_QUERY_STATE_READY 0 31 #define NVC0_QUERY_STATE_ACTIVE 1 32 #define NVC0_QUERY_STATE_ENDED 2 33 #define NVC0_QUERY_STATE_FLUSHED 3 34 35 struct nvc0_query { 36 uint32_t *data; 37 uint16_t type; 38 uint16_t index; 39 uint32_t sequence; 40 struct nouveau_bo *bo; 41 uint32_t base; 42 uint32_t offset; /* base + i * rotate */ 43 uint8_t state; 44 boolean is64bit; 45 uint8_t rotate; 46 int nesting; /* only used for occlusion queries */ 47 struct nouveau_mm_allocation *mm; 48 }; 49 50 #define NVC0_QUERY_ALLOC_SPACE 256 51 52 static INLINE struct nvc0_query * 53 nvc0_query(struct pipe_query *pipe) 54 { 55 return (struct nvc0_query *)pipe; 56 } 57 58 static boolean 59 nvc0_query_allocate(struct nvc0_context *nvc0, struct nvc0_query *q, int size) 60 { 61 struct nvc0_screen *screen = nvc0->screen; 62 int ret; 63 64 if (q->bo) { 65 nouveau_bo_ref(NULL, &q->bo); 66 if (q->mm) { 67 if (q->state == NVC0_QUERY_STATE_READY) 68 nouveau_mm_free(q->mm); 69 else 70 nouveau_fence_work(screen->base.fence.current, 71 nouveau_mm_free_work, q->mm); 72 } 73 } 74 if (size) { 75 q->mm = nouveau_mm_allocate(screen->base.mm_GART, size, &q->bo, &q->base); 76 if (!q->bo) 77 return FALSE; 78 q->offset = q->base; 79 80 ret = nouveau_bo_map(q->bo, 0, screen->base.client); 81 if (ret) { 82 nvc0_query_allocate(nvc0, q, 0); 83 return FALSE; 84 } 85 q->data = (uint32_t *)((uint8_t *)q->bo->map + q->base); 86 } 87 return TRUE; 88 } 89 90 static void 91 nvc0_query_destroy(struct pipe_context *pipe, struct pipe_query *pq) 92 { 93 nvc0_query_allocate(nvc0_context(pipe), nvc0_query(pq), 0); 94 FREE(nvc0_query(pq)); 95 } 96 97 static struct pipe_query * 98 nvc0_query_create(struct pipe_context *pipe, unsigned type) 99 { 100 struct nvc0_context *nvc0 = nvc0_context(pipe); 101 struct nvc0_query *q; 102 unsigned space = NVC0_QUERY_ALLOC_SPACE; 103 104 q = CALLOC_STRUCT(nvc0_query); 105 if (!q) 106 return NULL; 107 108 switch (type) { 109 case PIPE_QUERY_OCCLUSION_COUNTER: 110 case PIPE_QUERY_OCCLUSION_PREDICATE: 111 q->rotate = 32; 112 space = NVC0_QUERY_ALLOC_SPACE; 113 break; 114 case PIPE_QUERY_PIPELINE_STATISTICS: 115 q->is64bit = TRUE; 116 space = 512; 117 break; 118 case PIPE_QUERY_SO_STATISTICS: 119 case PIPE_QUERY_SO_OVERFLOW_PREDICATE: 120 q->is64bit = TRUE; 121 space = 64; 122 break; 123 case PIPE_QUERY_TIME_ELAPSED: 124 case PIPE_QUERY_TIMESTAMP: 125 case PIPE_QUERY_TIMESTAMP_DISJOINT: 126 case PIPE_QUERY_GPU_FINISHED: 127 case PIPE_QUERY_PRIMITIVES_GENERATED: 128 case PIPE_QUERY_PRIMITIVES_EMITTED: 129 space = 32; 130 break; 131 case NVC0_QUERY_TFB_BUFFER_OFFSET: 132 space = 16; 133 break; 134 default: 135 FREE(q); 136 return NULL; 137 } 138 if (!nvc0_query_allocate(nvc0, q, space)) { 139 FREE(q); 140 return NULL; 141 } 142 143 q->type = type; 144 145 if (q->rotate) { 146 /* we advance before query_begin ! */ 147 q->offset -= q->rotate; 148 q->data -= q->rotate / sizeof(*q->data); 149 } else 150 if (!q->is64bit) 151 q->data[0] = 0; /* initialize sequence */ 152 153 return (struct pipe_query *)q; 154 } 155 156 static void 157 nvc0_query_get(struct nouveau_pushbuf *push, struct nvc0_query *q, 158 unsigned offset, uint32_t get) 159 { 160 offset += q->offset; 161 162 PUSH_SPACE(push, 5); 163 PUSH_REFN (push, q->bo, NOUVEAU_BO_GART | NOUVEAU_BO_WR); 164 BEGIN_NVC0(push, NVC0_3D(QUERY_ADDRESS_HIGH), 4); 165 PUSH_DATAh(push, q->bo->offset + offset); 166 PUSH_DATA (push, q->bo->offset + offset); 167 PUSH_DATA (push, q->sequence); 168 PUSH_DATA (push, get); 169 } 170 171 static void 172 nvc0_query_rotate(struct nvc0_context *nvc0, struct nvc0_query *q) 173 { 174 q->offset += q->rotate; 175 q->data += q->rotate / sizeof(*q->data); 176 if (q->offset - q->base == NVC0_QUERY_ALLOC_SPACE) 177 nvc0_query_allocate(nvc0, q, NVC0_QUERY_ALLOC_SPACE); 178 } 179 180 static void 181 nvc0_query_begin(struct pipe_context *pipe, struct pipe_query *pq) 182 { 183 struct nvc0_context *nvc0 = nvc0_context(pipe); 184 struct nouveau_pushbuf *push = nvc0->base.pushbuf; 185 struct nvc0_query *q = nvc0_query(pq); 186 187 /* For occlusion queries we have to change the storage, because a previous 188 * query might set the initial render conition to FALSE even *after* we re- 189 * initialized it to TRUE. 190 */ 191 if (q->rotate) { 192 nvc0_query_rotate(nvc0, q); 193 194 /* XXX: can we do this with the GPU, and sync with respect to a previous 195 * query ? 196 */ 197 q->data[0] = q->sequence; /* initialize sequence */ 198 q->data[1] = 1; /* initial render condition = TRUE */ 199 q->data[4] = q->sequence + 1; /* for comparison COND_MODE */ 200 q->data[5] = 0; 201 } 202 q->sequence++; 203 204 switch (q->type) { 205 case PIPE_QUERY_OCCLUSION_COUNTER: 206 case PIPE_QUERY_OCCLUSION_PREDICATE: 207 q->nesting = nvc0->screen->num_occlusion_queries_active++; 208 if (q->nesting) { 209 nvc0_query_get(push, q, 0x10, 0x0100f002); 210 } else { 211 PUSH_SPACE(push, 3); 212 BEGIN_NVC0(push, NVC0_3D(COUNTER_RESET), 1); 213 PUSH_DATA (push, NVC0_3D_COUNTER_RESET_SAMPLECNT); 214 IMMED_NVC0(push, NVC0_3D(SAMPLECNT_ENABLE), 1); 215 } 216 break; 217 case PIPE_QUERY_PRIMITIVES_GENERATED: 218 nvc0_query_get(push, q, 0x10, 0x06805002 | (q->index << 5)); 219 break; 220 case PIPE_QUERY_PRIMITIVES_EMITTED: 221 nvc0_query_get(push, q, 0x10, 0x05805002 | (q->index << 5)); 222 break; 223 case PIPE_QUERY_SO_STATISTICS: 224 nvc0_query_get(push, q, 0x20, 0x05805002 | (q->index << 5)); 225 nvc0_query_get(push, q, 0x30, 0x06805002 | (q->index << 5)); 226 break; 227 case PIPE_QUERY_SO_OVERFLOW_PREDICATE: 228 nvc0_query_get(push, q, 0x10, 0x03005002 | (q->index << 5)); 229 break; 230 case PIPE_QUERY_TIMESTAMP_DISJOINT: 231 case PIPE_QUERY_TIME_ELAPSED: 232 nvc0_query_get(push, q, 0x10, 0x00005002); 233 break; 234 case PIPE_QUERY_PIPELINE_STATISTICS: 235 nvc0_query_get(push, q, 0xc0 + 0x00, 0x00801002); /* VFETCH, VERTICES */ 236 nvc0_query_get(push, q, 0xc0 + 0x10, 0x01801002); /* VFETCH, PRIMS */ 237 nvc0_query_get(push, q, 0xc0 + 0x20, 0x02802002); /* VP, LAUNCHES */ 238 nvc0_query_get(push, q, 0xc0 + 0x30, 0x03806002); /* GP, LAUNCHES */ 239 nvc0_query_get(push, q, 0xc0 + 0x40, 0x04806002); /* GP, PRIMS_OUT */ 240 nvc0_query_get(push, q, 0xc0 + 0x50, 0x07804002); /* RAST, PRIMS_IN */ 241 nvc0_query_get(push, q, 0xc0 + 0x60, 0x08804002); /* RAST, PRIMS_OUT */ 242 nvc0_query_get(push, q, 0xc0 + 0x70, 0x0980a002); /* ROP, PIXELS */ 243 nvc0_query_get(push, q, 0xc0 + 0x80, 0x0d808002); /* TCP, LAUNCHES */ 244 nvc0_query_get(push, q, 0xc0 + 0x90, 0x0e809002); /* TEP, LAUNCHES */ 245 break; 246 default: 247 break; 248 } 249 q->state = NVC0_QUERY_STATE_ACTIVE; 250 } 251 252 static void 253 nvc0_query_end(struct pipe_context *pipe, struct pipe_query *pq) 254 { 255 struct nvc0_context *nvc0 = nvc0_context(pipe); 256 struct nouveau_pushbuf *push = nvc0->base.pushbuf; 257 struct nvc0_query *q = nvc0_query(pq); 258 259 if (q->state != NVC0_QUERY_STATE_ACTIVE) { 260 /* some queries don't require 'begin' to be called (e.g. GPU_FINISHED) */ 261 if (q->rotate) 262 nvc0_query_rotate(nvc0, q); 263 q->sequence++; 264 } 265 q->state = NVC0_QUERY_STATE_ENDED; 266 267 switch (q->type) { 268 case PIPE_QUERY_OCCLUSION_COUNTER: 269 case PIPE_QUERY_OCCLUSION_PREDICATE: 270 nvc0_query_get(push, q, 0, 0x0100f002); 271 if (--nvc0->screen->num_occlusion_queries_active == 0) { 272 PUSH_SPACE(push, 1); 273 IMMED_NVC0(push, NVC0_3D(SAMPLECNT_ENABLE), 0); 274 } 275 break; 276 case PIPE_QUERY_PRIMITIVES_GENERATED: 277 nvc0_query_get(push, q, 0, 0x06805002 | (q->index << 5)); 278 break; 279 case PIPE_QUERY_PRIMITIVES_EMITTED: 280 nvc0_query_get(push, q, 0, 0x05805002 | (q->index << 5)); 281 break; 282 case PIPE_QUERY_SO_STATISTICS: 283 nvc0_query_get(push, q, 0x00, 0x05805002 | (q->index << 5)); 284 nvc0_query_get(push, q, 0x10, 0x06805002 | (q->index << 5)); 285 break; 286 case PIPE_QUERY_SO_OVERFLOW_PREDICATE: 287 /* TODO: How do we sum over all streams for render condition ? */ 288 /* PRIMS_DROPPED doesn't write sequence, use a ZERO query to sync on */ 289 nvc0_query_get(push, q, 0x00, 0x03005002 | (q->index << 5)); 290 nvc0_query_get(push, q, 0x20, 0x00005002); 291 break; 292 case PIPE_QUERY_TIMESTAMP: 293 case PIPE_QUERY_TIMESTAMP_DISJOINT: 294 case PIPE_QUERY_TIME_ELAPSED: 295 nvc0_query_get(push, q, 0, 0x00005002); 296 break; 297 case PIPE_QUERY_GPU_FINISHED: 298 nvc0_query_get(push, q, 0, 0x1000f010); 299 break; 300 case PIPE_QUERY_PIPELINE_STATISTICS: 301 nvc0_query_get(push, q, 0x00, 0x00801002); /* VFETCH, VERTICES */ 302 nvc0_query_get(push, q, 0x10, 0x01801002); /* VFETCH, PRIMS */ 303 nvc0_query_get(push, q, 0x20, 0x02802002); /* VP, LAUNCHES */ 304 nvc0_query_get(push, q, 0x30, 0x03806002); /* GP, LAUNCHES */ 305 nvc0_query_get(push, q, 0x40, 0x04806002); /* GP, PRIMS_OUT */ 306 nvc0_query_get(push, q, 0x50, 0x07804002); /* RAST, PRIMS_IN */ 307 nvc0_query_get(push, q, 0x60, 0x08804002); /* RAST, PRIMS_OUT */ 308 nvc0_query_get(push, q, 0x70, 0x0980a002); /* ROP, PIXELS */ 309 nvc0_query_get(push, q, 0x80, 0x0d808002); /* TCP, LAUNCHES */ 310 nvc0_query_get(push, q, 0x90, 0x0e809002); /* TEP, LAUNCHES */ 311 break; 312 case NVC0_QUERY_TFB_BUFFER_OFFSET: 313 /* indexed by TFB buffer instead of by vertex stream */ 314 nvc0_query_get(push, q, 0x00, 0x0d005002 | (q->index << 5)); 315 break; 316 default: 317 assert(0); 318 break; 319 } 320 } 321 322 static INLINE void 323 nvc0_query_update(struct nouveau_client *cli, struct nvc0_query *q) 324 { 325 if (q->is64bit) { 326 if (!nouveau_bo_map(q->bo, NOUVEAU_BO_RD | NOUVEAU_BO_NOBLOCK, cli)) 327 q->state = NVC0_QUERY_STATE_READY; 328 } else { 329 if (q->data[0] == q->sequence) 330 q->state = NVC0_QUERY_STATE_READY; 331 } 332 } 333 334 static boolean 335 nvc0_query_result(struct pipe_context *pipe, struct pipe_query *pq, 336 boolean wait, union pipe_query_result *result) 337 { 338 struct nvc0_context *nvc0 = nvc0_context(pipe); 339 struct nvc0_query *q = nvc0_query(pq); 340 uint64_t *res64 = (uint64_t*)result; 341 uint32_t *res32 = (uint32_t*)result; 342 boolean *res8 = (boolean*)result; 343 uint64_t *data64 = (uint64_t *)q->data; 344 unsigned i; 345 346 if (q->state != NVC0_QUERY_STATE_READY) 347 nvc0_query_update(nvc0->screen->base.client, q); 348 349 if (q->state != NVC0_QUERY_STATE_READY) { 350 if (!wait) { 351 if (q->state != NVC0_QUERY_STATE_FLUSHED) { 352 q->state = NVC0_QUERY_STATE_FLUSHED; 353 /* flush for silly apps that spin on GL_QUERY_RESULT_AVAILABLE */ 354 PUSH_KICK(nvc0->base.pushbuf); 355 } 356 return FALSE; 357 } 358 if (nouveau_bo_wait(q->bo, NOUVEAU_BO_RD, nvc0->screen->base.client)) 359 return FALSE; 360 } 361 q->state = NVC0_QUERY_STATE_READY; 362 363 switch (q->type) { 364 case PIPE_QUERY_GPU_FINISHED: 365 res8[0] = TRUE; 366 break; 367 case PIPE_QUERY_OCCLUSION_COUNTER: /* u32 sequence, u32 count, u64 time */ 368 res64[0] = q->data[1] - q->data[5]; 369 break; 370 case PIPE_QUERY_OCCLUSION_PREDICATE: 371 res8[0] = q->data[1] != q->data[5]; 372 break; 373 case PIPE_QUERY_PRIMITIVES_GENERATED: /* u64 count, u64 time */ 374 case PIPE_QUERY_PRIMITIVES_EMITTED: /* u64 count, u64 time */ 375 res64[0] = data64[0] - data64[2]; 376 break; 377 case PIPE_QUERY_SO_STATISTICS: 378 res64[0] = data64[0] - data64[4]; 379 res64[1] = data64[2] - data64[6]; 380 break; 381 case PIPE_QUERY_SO_OVERFLOW_PREDICATE: 382 res8[0] = data64[0] != data64[2]; 383 break; 384 case PIPE_QUERY_TIMESTAMP: 385 res64[0] = data64[1]; 386 break; 387 case PIPE_QUERY_TIMESTAMP_DISJOINT: /* u32 sequence, u32 0, u64 time */ 388 res64[0] = 1000000000; 389 res8[8] = (data64[1] == data64[3]) ? FALSE : TRUE; 390 break; 391 case PIPE_QUERY_TIME_ELAPSED: 392 res64[0] = data64[1] - data64[3]; 393 break; 394 case PIPE_QUERY_PIPELINE_STATISTICS: 395 for (i = 0; i < 10; ++i) 396 res64[i] = data64[i * 2] - data64[24 + i * 2]; 397 break; 398 case NVC0_QUERY_TFB_BUFFER_OFFSET: 399 res32[0] = q->data[1]; 400 break; 401 default: 402 return FALSE; 403 } 404 405 return TRUE; 406 } 407 408 void 409 nvc0_query_fifo_wait(struct nouveau_pushbuf *push, struct pipe_query *pq) 410 { 411 struct nvc0_query *q = nvc0_query(pq); 412 unsigned offset = q->offset; 413 414 if (q->type == PIPE_QUERY_SO_OVERFLOW_PREDICATE) offset += 0x20; 415 416 PUSH_SPACE(push, 5); 417 PUSH_REFN (push, q->bo, NOUVEAU_BO_GART | NOUVEAU_BO_RD); 418 BEGIN_NVC0(push, SUBC_3D(NV84_SUBCHAN_SEMAPHORE_ADDRESS_HIGH), 4); 419 PUSH_DATAh(push, q->bo->offset + offset); 420 PUSH_DATA (push, q->bo->offset + offset); 421 PUSH_DATA (push, q->sequence); 422 PUSH_DATA (push, (1 << 12) | 423 NV84_SUBCHAN_SEMAPHORE_TRIGGER_ACQUIRE_EQUAL); 424 } 425 426 static void 427 nvc0_render_condition(struct pipe_context *pipe, 428 struct pipe_query *pq, uint mode) 429 { 430 struct nvc0_context *nvc0 = nvc0_context(pipe); 431 struct nouveau_pushbuf *push = nvc0->base.pushbuf; 432 struct nvc0_query *q; 433 uint32_t cond; 434 boolean negated = FALSE; 435 boolean wait = 436 mode != PIPE_RENDER_COND_NO_WAIT && 437 mode != PIPE_RENDER_COND_BY_REGION_NO_WAIT; 438 439 if (!pq) { 440 PUSH_SPACE(push, 1); 441 IMMED_NVC0(push, NVC0_3D(COND_MODE), NVC0_3D_COND_MODE_ALWAYS); 442 return; 443 } 444 q = nvc0_query(pq); 445 446 /* NOTE: comparison of 2 queries only works if both have completed */ 447 switch (q->type) { 448 case PIPE_QUERY_SO_OVERFLOW_PREDICATE: 449 cond = negated ? NVC0_3D_COND_MODE_EQUAL : 450 NVC0_3D_COND_MODE_NOT_EQUAL; 451 wait = TRUE; 452 break; 453 case PIPE_QUERY_OCCLUSION_COUNTER: 454 case PIPE_QUERY_OCCLUSION_PREDICATE: 455 if (likely(!negated)) { 456 if (unlikely(q->nesting)) 457 cond = wait ? NVC0_3D_COND_MODE_NOT_EQUAL : 458 NVC0_3D_COND_MODE_ALWAYS; 459 else 460 cond = NVC0_3D_COND_MODE_RES_NON_ZERO; 461 } else { 462 cond = wait ? NVC0_3D_COND_MODE_EQUAL : NVC0_3D_COND_MODE_ALWAYS; 463 } 464 break; 465 default: 466 assert(!"render condition query not a predicate"); 467 mode = NVC0_3D_COND_MODE_ALWAYS; 468 break; 469 } 470 471 if (wait) 472 nvc0_query_fifo_wait(push, pq); 473 474 PUSH_SPACE(push, 4); 475 PUSH_REFN (push, q->bo, NOUVEAU_BO_GART | NOUVEAU_BO_RD); 476 BEGIN_NVC0(push, NVC0_3D(COND_ADDRESS_HIGH), 3); 477 PUSH_DATAh(push, q->bo->offset + q->offset); 478 PUSH_DATA (push, q->bo->offset + q->offset); 479 PUSH_DATA (push, cond); 480 } 481 482 void 483 nvc0_query_pushbuf_submit(struct nouveau_pushbuf *push, 484 struct pipe_query *pq, unsigned result_offset) 485 { 486 struct nvc0_query *q = nvc0_query(pq); 487 488 #define NVC0_IB_ENTRY_1_NO_PREFETCH (1 << (31 - 8)) 489 490 nouveau_pushbuf_space(push, 0, 0, 1); 491 nouveau_pushbuf_data(push, q->bo, q->offset + result_offset, 4 | 492 NVC0_IB_ENTRY_1_NO_PREFETCH); 493 } 494 495 void 496 nvc0_so_target_save_offset(struct pipe_context *pipe, 497 struct pipe_stream_output_target *ptarg, 498 unsigned index, boolean *serialize) 499 { 500 struct nvc0_so_target *targ = nvc0_so_target(ptarg); 501 502 if (*serialize) { 503 *serialize = FALSE; 504 PUSH_SPACE(nvc0_context(pipe)->base.pushbuf, 1); 505 IMMED_NVC0(nvc0_context(pipe)->base.pushbuf, NVC0_3D(SERIALIZE), 0); 506 } 507 508 nvc0_query(targ->pq)->index = index; 509 510 nvc0_query_end(pipe, targ->pq); 511 } 512 513 void 514 nvc0_init_query_functions(struct nvc0_context *nvc0) 515 { 516 struct pipe_context *pipe = &nvc0->base.pipe; 517 518 pipe->create_query = nvc0_query_create; 519 pipe->destroy_query = nvc0_query_destroy; 520 pipe->begin_query = nvc0_query_begin; 521 pipe->end_query = nvc0_query_end; 522 pipe->get_query_result = nvc0_query_result; 523 pipe->render_condition = nvc0_render_condition; 524 } 525
