src/gallium/drivers/swr/swr_query.cpp

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   4  * Permission is hereby granted, free of charge, to any person obtaining a
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  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
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  23
  24 #include "pipe/p_defines.h"
  25 #include "util/u_memory.h"
  26 #include "os/os_time.h"
  27 #include "swr_context.h"
  28 #include "swr_fence.h"
  29 #include "swr_query.h"
  30 #include "swr_screen.h"
  31 #include "swr_state.h"
  32
  33
  34 static struct swr_query *
  35 swr_query(struct pipe_query *p)
  36 {
  37    return (struct swr_query *)p;
  38 }
  39
  40 static struct pipe_query *
  41 swr_create_query(struct pipe_context *pipe, unsigned type, unsigned index)
  42 {
  43    struct swr_query *pq;
  44
  45    assert(type < PIPE_QUERY_TYPES);
  46    assert(index < MAX_SO_STREAMS);
  47
  48    pq = CALLOC_STRUCT(swr_query);
  49
  50    if (pq) {
  51       pq->type = type;
  52       pq->index = index;
  53    }
  54
  55    return (struct pipe_query *)pq;
  56 }
  57
  58
  59 static void
  60 swr_destroy_query(struct pipe_context *pipe, struct pipe_query *q)
  61 {
  62    struct swr_query *pq = swr_query(q);
  63
  64    if (pq->fence) {
  65       if (swr_is_fence_pending(pq->fence))
  66          swr_fence_finish(pipe->screen, NULL, pq->fence, 0);
  67       swr_fence_reference(pipe->screen, &pq->fence, NULL);
  68    }
  69
  70    FREE(pq);
  71 }
  72
  73
  74 static void
  75 swr_gather_stats(struct pipe_context *pipe, struct swr_query *pq)
  76 {
  77    struct swr_context *ctx = swr_context(pipe);
  78
  79    assert(pq->result);
  80    struct swr_query_result *result = pq->result;
  81    boolean enable_stats = pq->enable_stats;
  82
  83    /* A few results don't require the core, so don't involve it */
  84    switch (pq->type) {
  85    case PIPE_QUERY_TIMESTAMP:
  86    case PIPE_QUERY_TIME_ELAPSED:
  87       result->timestamp = swr_get_timestamp(pipe->screen);
  88       break;
  89    case PIPE_QUERY_TIMESTAMP_DISJOINT:
  90    case PIPE_QUERY_GPU_FINISHED:
  91       /* nothing to do here */
  92       break;
  93    default:
  94       /* TODO: should fence instead of stalling pipeline */
  95       SwrWaitForIdle(ctx->swrContext);
  96       memcpy(&result->core, &ctx->stats, sizeof(result->core));
  97
  98 #if 0
  99       if (!pq->fence) {
 100          struct swr_screen *screen = swr_screen(pipe->screen);
 101          swr_fence_reference(pipe->screen, &pq->fence, screen->flush_fence);
 102       }
 103       swr_fence_submit(ctx, pq->fence);
 104 #endif
 105
 106       /* Only change stat collection if there are no active queries */
 107       if (ctx->active_queries == 0)
 108          SwrEnableStats(ctx->swrContext, enable_stats);
 109
 110       break;
 111    }
 112 }
 113
 114
 115 static boolean
 116 swr_get_query_result(struct pipe_context *pipe,
 117                      struct pipe_query *q,
 118                      boolean wait,
 119                      union pipe_query_result *result)
 120 {
 121    struct swr_query *pq = swr_query(q);
 122    struct swr_query_result *start = &pq->start;
 123    struct swr_query_result *end = &pq->end;
 124    unsigned index = pq->index;
 125
 126    if (pq->fence) {
 127       if (!wait && !swr_is_fence_done(pq->fence))
 128          return FALSE;
 129
 130       swr_fence_finish(pipe->screen, NULL, pq->fence, 0);
 131       swr_fence_reference(pipe->screen, &pq->fence, NULL);
 132    }
 133
 134    /* XXX: Need to handle counter rollover */
 135
 136    switch (pq->type) {
 137    /* Booleans */
 138    case PIPE_QUERY_OCCLUSION_PREDICATE:
 139       result->b = end->core.DepthPassCount != start->core.DepthPassCount;
 140       break;
 141    case PIPE_QUERY_GPU_FINISHED:
 142       result->b = TRUE;
 143       break;
 144    /* Counters */
 145    case PIPE_QUERY_OCCLUSION_COUNTER:
 146       result->u64 = end->core.DepthPassCount - start->core.DepthPassCount;
 147       break;
 148    case PIPE_QUERY_TIMESTAMP:
 149    case PIPE_QUERY_TIME_ELAPSED:
 150       result->u64 = end->timestamp - start->timestamp;
 151       break;
 152    case PIPE_QUERY_PRIMITIVES_GENERATED:
 153       result->u64 = end->core.IaPrimitives - start->core.IaPrimitives;
 154       break;
 155    case PIPE_QUERY_PRIMITIVES_EMITTED:
 156       result->u64 = end->core.SoNumPrimsWritten[index]
 157          - start->core.SoNumPrimsWritten[index];
 158       break;
 159    /* Structures */
 160    case PIPE_QUERY_SO_STATISTICS: {
 161       struct pipe_query_data_so_statistics *so_stats = &result->so_statistics;
 162       struct SWR_STATS *start = &pq->start.core;
 163       struct SWR_STATS *end = &pq->end.core;
 164       so_stats->num_primitives_written =
 165          end->SoNumPrimsWritten[index] - start->SoNumPrimsWritten[index];
 166       so_stats->primitives_storage_needed =
 167          end->SoPrimStorageNeeded[index] - start->SoPrimStorageNeeded[index];
 168    } break;
 169    case PIPE_QUERY_TIMESTAMP_DISJOINT:
 170       /* os_get_time_nano returns nanoseconds */
 171       result->timestamp_disjoint.frequency = UINT64_C(1000000000);
 172       result->timestamp_disjoint.disjoint = FALSE;
 173       break;
 174    case PIPE_QUERY_PIPELINE_STATISTICS: {
 175       struct pipe_query_data_pipeline_statistics *p_stats =
 176          &result->pipeline_statistics;
 177       struct SWR_STATS *start = &pq->start.core;
 178       struct SWR_STATS *end = &pq->end.core;
 179       p_stats->ia_vertices = end->IaVertices - start->IaVertices;
 180       p_stats->ia_primitives = end->IaPrimitives - start->IaPrimitives;
 181       p_stats->vs_invocations = end->VsInvocations - start->VsInvocations;
 182       p_stats->gs_invocations = end->GsInvocations - start->GsInvocations;
 183       p_stats->gs_primitives = end->GsPrimitives - start->GsPrimitives;
 184       p_stats->c_invocations = end->CPrimitives - start->CPrimitives;
 185       p_stats->c_primitives = end->CPrimitives - start->CPrimitives;
 186       p_stats->ps_invocations = end->PsInvocations - start->PsInvocations;
 187       p_stats->hs_invocations = end->HsInvocations - start->HsInvocations;
 188       p_stats->ds_invocations = end->DsInvocations - start->DsInvocations;
 189       p_stats->cs_invocations = end->CsInvocations - start->CsInvocations;
 190     } break;
 191    case PIPE_QUERY_SO_OVERFLOW_PREDICATE: {
 192       struct SWR_STATS *start = &pq->start.core;
 193       struct SWR_STATS *end = &pq->end.core;
 194       uint64_t num_primitives_written =
 195          end->SoNumPrimsWritten[index] - start->SoNumPrimsWritten[index];
 196       uint64_t primitives_storage_needed =
 197          end->SoPrimStorageNeeded[index] - start->SoPrimStorageNeeded[index];
 198       result->b = num_primitives_written > primitives_storage_needed;
 199    }
 200       break;
 201    default:
 202       assert(0 && "Unsupported query");
 203       break;
 204    }
 205
 206    return TRUE;
 207 }
 208
 209 static boolean
 210 swr_begin_query(struct pipe_context *pipe, struct pipe_query *q)
 211 {
 212    struct swr_context *ctx = swr_context(pipe);
 213    struct swr_query *pq = swr_query(q);
 214
 215    assert(!pq->enable_stats && "swr_begin_query: Query is already active!");
 216
 217    /* Initialize Results */
 218    memset(&pq->start, 0, sizeof(pq->start));
 219    memset(&pq->end, 0, sizeof(pq->end));
 220
 221    /* Gather start stats and enable SwrCore counters */
 222    pq->result = &pq->start;
 223    pq->enable_stats = TRUE;
 224    swr_gather_stats(pipe, pq);
 225    ctx->active_queries++;
 226
 227    /* override start timestamp to 0 for TIMESTAMP query */
 228    if (pq->type == PIPE_QUERY_TIMESTAMP)
 229       pq->start.timestamp = 0;
 230
 231    return true;
 232 }
 233
 234 static bool
 235 swr_end_query(struct pipe_context *pipe, struct pipe_query *q)
 236 {
 237    struct swr_context *ctx = swr_context(pipe);
 238    struct swr_query *pq = swr_query(q);
 239
 240    assert(ctx->active_queries
 241           && "swr_end_query, there are no active queries!");
 242    ctx->active_queries--;
 243
 244    /* Gather end stats and disable SwrCore counters */
 245    pq->result = &pq->end;
 246    pq->enable_stats = FALSE;
 247    swr_gather_stats(pipe, pq);
 248    return true;
 249 }
 250
 251
 252 boolean
 253 swr_check_render_cond(struct pipe_context *pipe)
 254 {
 255    struct swr_context *ctx = swr_context(pipe);
 256    boolean b, wait;
 257    uint64_t result;
 258
 259    if (!ctx->render_cond_query)
 260       return TRUE; /* no query predicate, draw normally */
 261
 262    wait = (ctx->render_cond_mode == PIPE_RENDER_COND_WAIT
 263            || ctx->render_cond_mode == PIPE_RENDER_COND_BY_REGION_WAIT);
 264
 265    b = pipe->get_query_result(
 266       pipe, ctx->render_cond_query, wait, (union pipe_query_result *)&result);
 267    if (b)
 268       return ((!result) == ctx->render_cond_cond);
 269    else
 270       return TRUE;
 271 }
 272
 273
 274 static void
 275 swr_set_active_query_state(struct pipe_context *pipe, boolean enable)
 276 {
 277 }
 278
 279 void
 280 swr_query_init(struct pipe_context *pipe)
 281 {
 282    struct swr_context *ctx = swr_context(pipe);
 283
 284    pipe->create_query = swr_create_query;
 285    pipe->destroy_query = swr_destroy_query;
 286    pipe->begin_query = swr_begin_query;
 287    pipe->end_query = swr_end_query;
 288    pipe->get_query_result = swr_get_query_result;
 289    pipe->set_active_query_state = swr_set_active_query_state;
 290
 291    ctx->active_queries = 0;
 292 }