nv50_query.c revision d6bdf1f6ae6f8d06db740ad75e9151ef275755b2
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#include "nv50_context.h" 26#include "nouveau/nv_object.xml.h" 27 28/* XXX: Nested queries, and simultaneous queries on multiple gallium contexts 29 * (since we use only a single GPU channel per screen) will not work properly. 30 * 31 * The first is not that big of an issue because OpenGL does not allow nested 32 * queries anyway. 33 */ 34 35struct nv50_query { 36 uint32_t *data; 37 uint32_t type; 38 uint32_t sequence; 39 struct nouveau_bo *bo; 40 uint32_t base; 41 uint32_t offset; /* base + i * 16 */ 42 boolean ready; 43 boolean is64bit; 44 struct nouveau_mm_allocation *mm; 45}; 46 47#define NV50_QUERY_ALLOC_SPACE 128 48 49static INLINE struct nv50_query * 50nv50_query(struct pipe_query *pipe) 51{ 52 return (struct nv50_query *)pipe; 53} 54 55static boolean 56nv50_query_allocate(struct nv50_context *nv50, struct nv50_query *q, int size) 57{ 58 struct nv50_screen *screen = nv50->screen; 59 int ret; 60 61 if (q->bo) { 62 nouveau_bo_ref(NULL, &q->bo); 63 if (q->mm) { 64 if (q->ready) 65 nouveau_mm_free(q->mm); 66 else 67 nouveau_fence_work(screen->base.fence.current, nouveau_mm_free_work, q->mm); 68 } 69 } 70 if (size) { 71 q->mm = nouveau_mm_allocate(screen->mm_GART, size, &q->bo, &q->base); 72 if (!q->bo) 73 return FALSE; 74 q->offset = q->base; 75 76 ret = nouveau_bo_map_range(q->bo, q->base, size, NOUVEAU_BO_RD | 77 NOUVEAU_BO_NOSYNC); 78 if (ret) { 79 nv50_query_allocate(nv50, q, 0); 80 return FALSE; 81 } 82 q->data = q->bo->map; 83 nouveau_bo_unmap(q->bo); 84 } 85 return TRUE; 86} 87 88static void 89nv50_query_destroy(struct pipe_context *pipe, struct pipe_query *pq) 90{ 91 nv50_query_allocate(nv50_context(pipe), nv50_query(pq), 0); 92 FREE(nv50_query(pq)); 93} 94 95static struct pipe_query * 96nv50_query_create(struct pipe_context *pipe, unsigned type) 97{ 98 struct nv50_context *nv50 = nv50_context(pipe); 99 struct nv50_query *q; 100 101 q = CALLOC_STRUCT(nv50_query); 102 if (!q) 103 return NULL; 104 105 if (!nv50_query_allocate(nv50, q, NV50_QUERY_ALLOC_SPACE)) { 106 FREE(q); 107 return NULL; 108 } 109 110 q->is64bit = (type == PIPE_QUERY_PRIMITIVES_GENERATED || 111 type == PIPE_QUERY_PRIMITIVES_EMITTED || 112 type == PIPE_QUERY_SO_STATISTICS); 113 q->type = type; 114 115 if (q->type == PIPE_QUERY_OCCLUSION_COUNTER) { 116 q->offset -= 16; 117 q->data -= 16 / sizeof(*q->data); /* we advance before query_begin ! */ 118 } 119 120 return (struct pipe_query *)q; 121} 122 123static void 124nv50_query_get(struct nouveau_channel *chan, struct nv50_query *q, 125 unsigned offset, uint32_t get) 126{ 127 offset += q->offset; 128 129 MARK_RING (chan, 5, 2); 130 BEGIN_RING(chan, RING_3D(QUERY_ADDRESS_HIGH), 4); 131 OUT_RELOCh(chan, q->bo, offset, NOUVEAU_BO_GART | NOUVEAU_BO_WR); 132 OUT_RELOCl(chan, q->bo, offset, NOUVEAU_BO_GART | NOUVEAU_BO_WR); 133 OUT_RING (chan, q->sequence); 134 OUT_RING (chan, get); 135} 136 137static void 138nv50_query_begin(struct pipe_context *pipe, struct pipe_query *pq) 139{ 140 struct nv50_context *nv50 = nv50_context(pipe); 141 struct nouveau_channel *chan = nv50->screen->base.channel; 142 struct nv50_query *q = nv50_query(pq); 143 144 /* For occlusion queries we have to change the storage, because a previous 145 * query might set the initial render conition to FALSE even *after* we re- 146 * initialized it to TRUE. 147 */ 148 if (q->type == PIPE_QUERY_OCCLUSION_COUNTER) { 149 q->offset += 16; 150 q->data += 16 / sizeof(*q->data); 151 if (q->offset - q->base == NV50_QUERY_ALLOC_SPACE) 152 nv50_query_allocate(nv50, q, NV50_QUERY_ALLOC_SPACE); 153 154 /* XXX: can we do this with the GPU, and sync with respect to a previous 155 * query ? 156 */ 157 q->data[1] = 1; /* initial render condition = TRUE */ 158 } 159 if (!q->is64bit) 160 q->data[0] = q->sequence++; /* the previously used one */ 161 162 switch (q->type) { 163 case PIPE_QUERY_OCCLUSION_COUNTER: 164 BEGIN_RING(chan, RING_3D(COUNTER_RESET), 1); 165 OUT_RING (chan, NV50_3D_COUNTER_RESET_SAMPLECNT); 166 BEGIN_RING(chan, RING_3D(SAMPLECNT_ENABLE), 1); 167 OUT_RING (chan, 1); 168 break; 169 case PIPE_QUERY_PRIMITIVES_GENERATED: /* store before & after instead ? */ 170 BEGIN_RING(chan, RING_3D(COUNTER_RESET), 1); 171 OUT_RING (chan, NV50_3D_COUNTER_RESET_GENERATED_PRIMITIVES); 172 break; 173 case PIPE_QUERY_PRIMITIVES_EMITTED: 174 BEGIN_RING(chan, RING_3D(COUNTER_RESET), 1); 175 OUT_RING (chan, NV50_3D_COUNTER_RESET_TRANSFORM_FEEDBACK); 176 break; 177 case PIPE_QUERY_SO_STATISTICS: 178 BEGIN_RING_NI(chan, RING_3D(COUNTER_RESET), 2); 179 OUT_RING (chan, NV50_3D_COUNTER_RESET_TRANSFORM_FEEDBACK); 180 OUT_RING (chan, NV50_3D_COUNTER_RESET_GENERATED_PRIMITIVES); 181 break; 182 case PIPE_QUERY_TIMESTAMP_DISJOINT: 183 case PIPE_QUERY_TIME_ELAPSED: 184 nv50_query_get(chan, q, 0x10, 0x00005002); 185 break; 186 default: 187 break; 188 } 189 q->ready = FALSE; 190} 191 192static void 193nv50_query_end(struct pipe_context *pipe, struct pipe_query *pq) 194{ 195 struct nv50_context *nv50 = nv50_context(pipe); 196 struct nouveau_channel *chan = nv50->screen->base.channel; 197 struct nv50_query *q = nv50_query(pq); 198 199 switch (q->type) { 200 case PIPE_QUERY_OCCLUSION_COUNTER: 201 nv50_query_get(chan, q, 0, 0x0100f002); 202 BEGIN_RING(chan, RING_3D(SAMPLECNT_ENABLE), 1); 203 OUT_RING (chan, 0); 204 break; 205 case PIPE_QUERY_PRIMITIVES_GENERATED: 206 nv50_query_get(chan, q, 0, 0x06805002); 207 break; 208 case PIPE_QUERY_PRIMITIVES_EMITTED: 209 nv50_query_get(chan, q, 0, 0x05805002); 210 break; 211 case PIPE_QUERY_SO_STATISTICS: 212 nv50_query_get(chan, q, 0x00, 0x05805002); 213 nv50_query_get(chan, q, 0x10, 0x06805002); 214 break; 215 case PIPE_QUERY_TIMESTAMP_DISJOINT: 216 case PIPE_QUERY_TIME_ELAPSED: 217 nv50_query_get(chan, q, 0, 0x00005002); 218 break; 219 case PIPE_QUERY_GPU_FINISHED: 220 nv50_query_get(chan, q, 0, 0x1000f010); 221 break; 222 default: 223 assert(0); 224 break; 225 } 226} 227 228static INLINE boolean 229nv50_query_ready(struct nv50_query *q) 230{ 231 return q->ready || (!q->is64bit && (q->data[0] == q->sequence)); 232} 233 234static INLINE boolean 235nv50_query_wait(struct nv50_query *q) 236{ 237 int ret = nouveau_bo_map(q->bo, NOUVEAU_BO_RD); 238 if (ret) 239 return FALSE; 240 nouveau_bo_unmap(q->bo); 241 return TRUE; 242} 243 244static boolean 245nv50_query_result(struct pipe_context *pipe, struct pipe_query *pq, 246 boolean wait, void *result) 247{ 248 struct nv50_query *q = nv50_query(pq); 249 uint64_t *res64 = result; 250 boolean *res8 = result; 251 uint64_t *data64 = (uint64_t *)q->data; 252 253 if (q->type == PIPE_QUERY_GPU_FINISHED) { 254 res8[0] = nv50_query_ready(q); 255 return TRUE; 256 } 257 258 if (!q->ready) /* update ? */ 259 q->ready = nv50_query_ready(q); 260 if (!q->ready) { 261 struct nouveau_channel *chan = nv50_context(pipe)->screen->base.channel; 262 if (!wait) { 263 if (nouveau_bo_pending(q->bo) & NOUVEAU_BO_WR) /* for daft apps */ 264 FIRE_RING(chan); 265 return FALSE; 266 } 267 if (!nv50_query_wait(q)) 268 return FALSE; 269 } 270 q->ready = TRUE; 271 272 switch (q->type) { 273 case PIPE_QUERY_OCCLUSION_COUNTER: /* u32 sequence, u32 count, u64 time */ 274 res64[0] = q->data[1]; 275 break; 276 case PIPE_QUERY_PRIMITIVES_GENERATED: /* u64 count, u64 time */ 277 case PIPE_QUERY_PRIMITIVES_EMITTED: /* u64 count, u64 time */ 278 res64[0] = data64[0]; 279 break; 280 case PIPE_QUERY_SO_STATISTICS: 281 res64[0] = data64[0]; 282 res64[1] = data64[1]; 283 break; 284 case PIPE_QUERY_TIMESTAMP_DISJOINT: /* u32 sequence, u32 0, u64 time */ 285 res64[0] = 1000000000; 286 res8[8] = (data64[0] == data64[2]) ? FALSE : TRUE; 287 break; 288 case PIPE_QUERY_TIME_ELAPSED: 289 res64[0] = data64[1] - data64[3]; 290 break; 291 default: 292 return FALSE; 293 } 294 295 return TRUE; 296} 297 298static void 299nv50_render_condition(struct pipe_context *pipe, 300 struct pipe_query *pq, uint mode) 301{ 302 struct nv50_context *nv50 = nv50_context(pipe); 303 struct nouveau_channel *chan = nv50->screen->base.channel; 304 struct nv50_query *q; 305 306 if (!pq) { 307 BEGIN_RING(chan, RING_3D(COND_MODE), 1); 308 OUT_RING (chan, NV50_3D_COND_MODE_ALWAYS); 309 return; 310 } 311 q = nv50_query(pq); 312 313 if (mode == PIPE_RENDER_COND_WAIT || 314 mode == PIPE_RENDER_COND_BY_REGION_WAIT) { 315 BEGIN_RING(chan, RING_3D_(NV50_GRAPH_WAIT_FOR_IDLE), 1); 316 OUT_RING (chan, 0); 317 } 318 319 MARK_RING (chan, 4, 2); 320 BEGIN_RING(chan, RING_3D(COND_ADDRESS_HIGH), 3); 321 OUT_RELOCh(chan, q->bo, q->offset, NOUVEAU_BO_GART | NOUVEAU_BO_RD); 322 OUT_RELOCl(chan, q->bo, q->offset, NOUVEAU_BO_GART | NOUVEAU_BO_RD); 323 OUT_RING (chan, NV50_3D_COND_MODE_RES_NON_ZERO); 324} 325 326void 327nv50_init_query_functions(struct nv50_context *nv50) 328{ 329 nv50->pipe.create_query = nv50_query_create; 330 nv50->pipe.destroy_query = nv50_query_destroy; 331 nv50->pipe.begin_query = nv50_query_begin; 332 nv50->pipe.end_query = nv50_query_end; 333 nv50->pipe.get_query_result = nv50_query_result; 334 nv50->pipe.render_condition = nv50_render_condition; 335} 336