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 NV50_PUSH_EXPLICIT_SPACE_CHECKING 26 27 #include "nv50_context.h" 28 #include "nouveau/nv_object.xml.h" 29 30 /* XXX: Nested queries, and simultaneous queries on multiple gallium contexts 31 * (since we use only a single GPU channel per screen) will not work properly. 32 * 33 * The first is not that big of an issue because OpenGL does not allow nested 34 * queries anyway. 35 */ 36 37 struct nv50_query { 38 uint32_t *data; 39 uint16_t type; 40 uint16_t index; 41 uint32_t sequence; 42 struct nouveau_bo *bo; 43 uint32_t base; 44 uint32_t offset; /* base + i * 16 */ 45 boolean ready; 46 boolean flushed; 47 boolean is64bit; 48 struct nouveau_mm_allocation *mm; 49 }; 50 51 #define NV50_QUERY_ALLOC_SPACE 128 52 53 static INLINE struct nv50_query * 54 nv50_query(struct pipe_query *pipe) 55 { 56 return (struct nv50_query *)pipe; 57 } 58 59 static boolean 60 nv50_query_allocate(struct nv50_context *nv50, struct nv50_query *q, int size) 61 { 62 struct nv50_screen *screen = nv50->screen; 63 int ret; 64 65 if (q->bo) { 66 nouveau_bo_ref(NULL, &q->bo); 67 if (q->mm) { 68 if (q->ready) 69 nouveau_mm_free(q->mm); 70 else 71 nouveau_fence_work(screen->base.fence.current, nouveau_mm_free_work, 72 q->mm); 73 } 74 } 75 if (size) { 76 q->mm = nouveau_mm_allocate(screen->base.mm_GART, size, &q->bo, &q->base); 77 if (!q->bo) 78 return FALSE; 79 q->offset = q->base; 80 81 ret = nouveau_bo_map(q->bo, 0, screen->base.client); 82 if (ret) { 83 nv50_query_allocate(nv50, q, 0); 84 return FALSE; 85 } 86 q->data = (uint32_t *)((uint8_t *)q->bo->map + q->base); 87 } 88 return TRUE; 89 } 90 91 static void 92 nv50_query_destroy(struct pipe_context *pipe, struct pipe_query *pq) 93 { 94 nv50_query_allocate(nv50_context(pipe), nv50_query(pq), 0); 95 FREE(nv50_query(pq)); 96 } 97 98 static struct pipe_query * 99 nv50_query_create(struct pipe_context *pipe, unsigned type) 100 { 101 struct nv50_context *nv50 = nv50_context(pipe); 102 struct nv50_query *q; 103 104 q = CALLOC_STRUCT(nv50_query); 105 if (!q) 106 return NULL; 107 108 if (!nv50_query_allocate(nv50, q, NV50_QUERY_ALLOC_SPACE)) { 109 FREE(q); 110 return NULL; 111 } 112 113 q->is64bit = (type == PIPE_QUERY_PRIMITIVES_GENERATED || 114 type == PIPE_QUERY_PRIMITIVES_EMITTED || 115 type == PIPE_QUERY_SO_STATISTICS); 116 q->type = type; 117 118 if (q->type == PIPE_QUERY_OCCLUSION_COUNTER) { 119 q->offset -= 16; 120 q->data -= 16 / sizeof(*q->data); /* we advance before query_begin ! */ 121 } 122 123 return (struct pipe_query *)q; 124 } 125 126 static void 127 nv50_query_get(struct nouveau_pushbuf *push, struct nv50_query *q, 128 unsigned offset, uint32_t get) 129 { 130 offset += q->offset; 131 132 PUSH_SPACE(push, 5); 133 PUSH_REFN (push, q->bo, NOUVEAU_BO_GART | NOUVEAU_BO_WR); 134 BEGIN_NV04(push, NV50_3D(QUERY_ADDRESS_HIGH), 4); 135 PUSH_DATAh(push, q->bo->offset + offset); 136 PUSH_DATA (push, q->bo->offset + offset); 137 PUSH_DATA (push, q->sequence); 138 PUSH_DATA (push, get); 139 } 140 141 static void 142 nv50_query_begin(struct pipe_context *pipe, struct pipe_query *pq) 143 { 144 struct nv50_context *nv50 = nv50_context(pipe); 145 struct nouveau_pushbuf *push = nv50->base.pushbuf; 146 struct nv50_query *q = nv50_query(pq); 147 148 /* For occlusion queries we have to change the storage, because a previous 149 * query might set the initial render conition to FALSE even *after* we re- 150 * initialized it to TRUE. 151 */ 152 if (q->type == PIPE_QUERY_OCCLUSION_COUNTER) { 153 q->offset += 16; 154 q->data += 16 / sizeof(*q->data); 155 if (q->offset - q->base == NV50_QUERY_ALLOC_SPACE) 156 nv50_query_allocate(nv50, q, NV50_QUERY_ALLOC_SPACE); 157 158 /* XXX: can we do this with the GPU, and sync with respect to a previous 159 * query ? 160 */ 161 q->data[1] = 1; /* initial render condition = TRUE */ 162 } 163 if (!q->is64bit) 164 q->data[0] = q->sequence++; /* the previously used one */ 165 166 switch (q->type) { 167 case PIPE_QUERY_OCCLUSION_COUNTER: 168 PUSH_SPACE(push, 4); 169 BEGIN_NV04(push, NV50_3D(COUNTER_RESET), 1); 170 PUSH_DATA (push, NV50_3D_COUNTER_RESET_SAMPLECNT); 171 BEGIN_NV04(push, NV50_3D(SAMPLECNT_ENABLE), 1); 172 PUSH_DATA (push, 1); 173 break; 174 case PIPE_QUERY_PRIMITIVES_GENERATED: 175 nv50_query_get(push, q, 0x10, 0x06805002); 176 break; 177 case PIPE_QUERY_PRIMITIVES_EMITTED: 178 nv50_query_get(push, q, 0x10, 0x05805002); 179 break; 180 case PIPE_QUERY_SO_STATISTICS: 181 nv50_query_get(push, q, 0x20, 0x05805002); 182 nv50_query_get(push, q, 0x30, 0x06805002); 183 break; 184 case PIPE_QUERY_TIMESTAMP_DISJOINT: 185 case PIPE_QUERY_TIME_ELAPSED: 186 nv50_query_get(push, q, 0x10, 0x00005002); 187 break; 188 default: 189 break; 190 } 191 q->ready = FALSE; 192 } 193 194 static void 195 nv50_query_end(struct pipe_context *pipe, struct pipe_query *pq) 196 { 197 struct nv50_context *nv50 = nv50_context(pipe); 198 struct nouveau_pushbuf *push = nv50->base.pushbuf; 199 struct nv50_query *q = nv50_query(pq); 200 201 switch (q->type) { 202 case PIPE_QUERY_OCCLUSION_COUNTER: 203 nv50_query_get(push, q, 0, 0x0100f002); 204 PUSH_SPACE(push, 2); 205 BEGIN_NV04(push, NV50_3D(SAMPLECNT_ENABLE), 1); 206 PUSH_DATA (push, 0); 207 break; 208 case PIPE_QUERY_PRIMITIVES_GENERATED: 209 nv50_query_get(push, q, 0, 0x06805002); 210 break; 211 case PIPE_QUERY_PRIMITIVES_EMITTED: 212 nv50_query_get(push, q, 0, 0x05805002); 213 break; 214 case PIPE_QUERY_SO_STATISTICS: 215 nv50_query_get(push, q, 0x00, 0x05805002); 216 nv50_query_get(push, q, 0x10, 0x06805002); 217 break; 218 case PIPE_QUERY_TIMESTAMP: 219 q->sequence++; 220 /* fall through */ 221 case PIPE_QUERY_TIMESTAMP_DISJOINT: 222 case PIPE_QUERY_TIME_ELAPSED: 223 nv50_query_get(push, q, 0, 0x00005002); 224 break; 225 case PIPE_QUERY_GPU_FINISHED: 226 q->sequence++; 227 nv50_query_get(push, q, 0, 0x1000f010); 228 break; 229 case NVA0_QUERY_STREAM_OUTPUT_BUFFER_OFFSET: 230 nv50_query_get(push, q, 0, 0x0d005002 | (q->index << 5)); 231 break; 232 default: 233 assert(0); 234 break; 235 } 236 q->ready = q->flushed = FALSE; 237 } 238 239 static INLINE boolean 240 nv50_query_ready(struct nv50_query *q) 241 { 242 return q->ready || (!q->is64bit && (q->data[0] == q->sequence)); 243 } 244 245 static boolean 246 nv50_query_result(struct pipe_context *pipe, struct pipe_query *pq, 247 boolean wait, union pipe_query_result *result) 248 { 249 struct nv50_context *nv50 = nv50_context(pipe); 250 struct nv50_query *q = nv50_query(pq); 251 uint64_t *res64 = (uint64_t *)result; 252 uint32_t *res32 = (uint32_t *)result; 253 boolean *res8 = (boolean *)result; 254 uint64_t *data64 = (uint64_t *)q->data; 255 256 if (!q->ready) /* update ? */ 257 q->ready = nv50_query_ready(q); 258 if (!q->ready) { 259 if (!wait) { 260 /* for broken apps that spin on GL_QUERY_RESULT_AVAILABLE */ 261 if (!q->flushed) { 262 q->flushed = TRUE; 263 PUSH_KICK(nv50->base.pushbuf); 264 } 265 return FALSE; 266 } 267 if (nouveau_bo_wait(q->bo, NOUVEAU_BO_RD, nv50->screen->base.client)) 268 return FALSE; 269 } 270 q->ready = TRUE; 271 272 switch (q->type) { 273 case PIPE_QUERY_GPU_FINISHED: 274 res8[0] = TRUE; 275 break; 276 case PIPE_QUERY_OCCLUSION_COUNTER: /* u32 sequence, u32 count, u64 time */ 277 res64[0] = q->data[1]; 278 break; 279 case PIPE_QUERY_PRIMITIVES_GENERATED: /* u64 count, u64 time */ 280 case PIPE_QUERY_PRIMITIVES_EMITTED: /* u64 count, u64 time */ 281 res64[0] = data64[0] - data64[2]; 282 break; 283 case PIPE_QUERY_SO_STATISTICS: 284 res64[0] = data64[0] - data64[4]; 285 res64[1] = data64[2] - data64[6]; 286 break; 287 case PIPE_QUERY_TIMESTAMP: 288 res64[0] = data64[1]; 289 break; 290 case PIPE_QUERY_TIMESTAMP_DISJOINT: /* u32 sequence, u32 0, u64 time */ 291 res64[0] = 1000000000; 292 res8[8] = (data64[1] == data64[3]) ? FALSE : TRUE; 293 break; 294 case PIPE_QUERY_TIME_ELAPSED: 295 res64[0] = data64[1] - data64[3]; 296 break; 297 case NVA0_QUERY_STREAM_OUTPUT_BUFFER_OFFSET: 298 res32[0] = q->data[1]; 299 break; 300 default: 301 return FALSE; 302 } 303 304 return TRUE; 305 } 306 307 void 308 nv84_query_fifo_wait(struct nouveau_pushbuf *push, struct pipe_query *pq) 309 { 310 struct nv50_query *q = nv50_query(pq); 311 unsigned offset = q->offset; 312 313 PUSH_SPACE(push, 5); 314 PUSH_REFN (push, q->bo, NOUVEAU_BO_GART | NOUVEAU_BO_RD); 315 BEGIN_NV04(push, SUBC_3D(NV84_SUBCHAN_SEMAPHORE_ADDRESS_HIGH), 4); 316 PUSH_DATAh(push, q->bo->offset + offset); 317 PUSH_DATA (push, q->bo->offset + offset); 318 PUSH_DATA (push, q->sequence); 319 PUSH_DATA (push, NV84_SUBCHAN_SEMAPHORE_TRIGGER_ACQUIRE_EQUAL); 320 } 321 322 static void 323 nv50_render_condition(struct pipe_context *pipe, 324 struct pipe_query *pq, uint mode) 325 { 326 struct nv50_context *nv50 = nv50_context(pipe); 327 struct nouveau_pushbuf *push = nv50->base.pushbuf; 328 struct nv50_query *q; 329 330 PUSH_SPACE(push, 6); 331 332 if (!pq) { 333 BEGIN_NV04(push, NV50_3D(COND_MODE), 1); 334 PUSH_DATA (push, NV50_3D_COND_MODE_ALWAYS); 335 return; 336 } 337 q = nv50_query(pq); 338 339 if (mode == PIPE_RENDER_COND_WAIT || 340 mode == PIPE_RENDER_COND_BY_REGION_WAIT) { 341 BEGIN_NV04(push, SUBC_3D(NV50_GRAPH_SERIALIZE), 1); 342 PUSH_DATA (push, 0); 343 } 344 345 BEGIN_NV04(push, NV50_3D(COND_ADDRESS_HIGH), 3); 346 PUSH_DATAh(push, q->bo->offset + q->offset); 347 PUSH_DATA (push, q->bo->offset + q->offset); 348 PUSH_DATA (push, NV50_3D_COND_MODE_RES_NON_ZERO); 349 } 350 351 void 352 nv50_query_pushbuf_submit(struct nouveau_pushbuf *push, 353 struct pipe_query *pq, unsigned result_offset) 354 { 355 struct nv50_query *q = nv50_query(pq); 356 357 /* XXX: does this exist ? */ 358 #define NV50_IB_ENTRY_1_NO_PREFETCH (0 << (31 - 8)) 359 360 nouveau_pushbuf_space(push, 0, 0, 1); 361 nouveau_pushbuf_data(push, q->bo, q->offset + result_offset, 4 | 362 NV50_IB_ENTRY_1_NO_PREFETCH); 363 } 364 365 void 366 nva0_so_target_save_offset(struct pipe_context *pipe, 367 struct pipe_stream_output_target *ptarg, 368 unsigned index, boolean serialize) 369 { 370 struct nv50_so_target *targ = nv50_so_target(ptarg); 371 372 if (serialize) { 373 struct nouveau_pushbuf *push = nv50_context(pipe)->base.pushbuf; 374 PUSH_SPACE(push, 2); 375 BEGIN_NV04(push, SUBC_3D(NV50_GRAPH_SERIALIZE), 1); 376 PUSH_DATA (push, 0); 377 } 378 379 nv50_query(targ->pq)->index = index; 380 nv50_query_end(pipe, targ->pq); 381 } 382 383 void 384 nv50_init_query_functions(struct nv50_context *nv50) 385 { 386 struct pipe_context *pipe = &nv50->base.pipe; 387 388 pipe->create_query = nv50_query_create; 389 pipe->destroy_query = nv50_query_destroy; 390 pipe->begin_query = nv50_query_begin; 391 pipe->end_query = nv50_query_end; 392 pipe->get_query_result = nv50_query_result; 393 pipe->render_condition = nv50_render_condition; 394 } 395
