src/gallium/drivers/nouveau/nvc0/nvc0_query.c

   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 OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20  * OTHER DEALINGS IN THE SOFTWARE.
  21  *
  22  * Authors: Christoph Bumiller
  23  */
  24
  25 #define NVC0_PUSH_EXPLICIT_SPACE_CHECKING
  26
  27 #include "nvc0/nvc0_context.h"
  28 #include "nvc0/nvc0_query.h"
  29 #include "nvc0/nvc0_query_sw.h"
  30 #include "nvc0/nvc0_query_hw.h"
  31 #include "nvc0/nvc0_query_hw_metric.h"
  32 #include "nvc0/nvc0_query_hw_sm.h"
  33
  34 static struct pipe_query *
  35 nvc0_create_query(struct pipe_context *pipe, unsigned type, unsigned index)
  36 {
  37    struct nvc0_context *nvc0 = nvc0_context(pipe);
  38    struct nvc0_query *q;
  39
  40    q = nvc0_sw_create_query(nvc0, type, index);
  41    if (!q)
  42       q = nvc0_hw_create_query(nvc0, type, index);
  43
  44    return (struct pipe_query *)q;
  45 }
  46
  47 static void
  48 nvc0_destroy_query(struct pipe_context *pipe, struct pipe_query *pq)
  49 {
  50    struct nvc0_query *q = nvc0_query(pq);
  51    q->funcs->destroy_query(nvc0_context(pipe), q);
  52 }
  53
  54 static boolean
  55 nvc0_begin_query(struct pipe_context *pipe, struct pipe_query *pq)
  56 {
  57    struct nvc0_query *q = nvc0_query(pq);
  58    return q->funcs->begin_query(nvc0_context(pipe), q);
  59 }
  60
  61 static void
  62 nvc0_end_query(struct pipe_context *pipe, struct pipe_query *pq)
  63 {
  64    struct nvc0_query *q = nvc0_query(pq);
  65    q->funcs->end_query(nvc0_context(pipe), q);
  66 }
  67
  68 static boolean
  69 nvc0_get_query_result(struct pipe_context *pipe, struct pipe_query *pq,
  70                       boolean wait, union pipe_query_result *result)
  71 {
  72    struct nvc0_query *q = nvc0_query(pq);
  73    return q->funcs->get_query_result(nvc0_context(pipe), q, wait, result);
  74 }
  75
  76 static void
  77 nvc0_render_condition(struct pipe_context *pipe,
  78                       struct pipe_query *pq,
  79                       boolean condition, uint mode)
  80 {
  81    struct nvc0_context *nvc0 = nvc0_context(pipe);
  82    struct nouveau_pushbuf *push = nvc0->base.pushbuf;
  83    struct nvc0_query *q = nvc0_query(pq);
  84    struct nvc0_hw_query *hq = nvc0_hw_query(q);
  85    uint32_t cond;
  86    bool wait =
  87       mode != PIPE_RENDER_COND_NO_WAIT &&
  88       mode != PIPE_RENDER_COND_BY_REGION_NO_WAIT;
  89
  90    if (!pq) {
  91       cond = NVC0_3D_COND_MODE_ALWAYS;
  92    }
  93    else {
  94       /* NOTE: comparison of 2 queries only works if both have completed */
  95       switch (q->type) {
  96       case PIPE_QUERY_SO_OVERFLOW_PREDICATE:
  97          cond = condition ? NVC0_3D_COND_MODE_EQUAL :
  98                           NVC0_3D_COND_MODE_NOT_EQUAL;
  99          wait = true;
 100          break;
 101       case PIPE_QUERY_OCCLUSION_COUNTER:
 102       case PIPE_QUERY_OCCLUSION_PREDICATE:
 103          if (likely(!condition)) {
 104             if (unlikely(hq->nesting))
 105                cond = wait ? NVC0_3D_COND_MODE_NOT_EQUAL :
 106                              NVC0_3D_COND_MODE_ALWAYS;
 107             else
 108                cond = NVC0_3D_COND_MODE_RES_NON_ZERO;
 109          } else {
 110             cond = wait ? NVC0_3D_COND_MODE_EQUAL : NVC0_3D_COND_MODE_ALWAYS;
 111          }
 112          break;
 113       default:
 114          assert(!"render condition query not a predicate");
 115          cond = NVC0_3D_COND_MODE_ALWAYS;
 116          break;
 117       }
 118    }
 119
 120    nvc0->cond_query = pq;
 121    nvc0->cond_cond = condition;
 122    nvc0->cond_condmode = cond;
 123    nvc0->cond_mode = mode;
 124
 125    if (!pq) {
 126       PUSH_SPACE(push, 1);
 127       IMMED_NVC0(push, NVC0_3D(COND_MODE), cond);
 128       return;
 129    }
 130
 131    if (wait)
 132       nvc0_hw_query_fifo_wait(push, q);
 133
 134    PUSH_SPACE(push, 7);
 135    PUSH_REFN (push, hq->bo, NOUVEAU_BO_GART | NOUVEAU_BO_RD);
 136    BEGIN_NVC0(push, NVC0_3D(COND_ADDRESS_HIGH), 3);
 137    PUSH_DATAh(push, hq->bo->offset + hq->offset);
 138    PUSH_DATA (push, hq->bo->offset + hq->offset);
 139    PUSH_DATA (push, cond);
 140    BEGIN_NVC0(push, NVC0_2D(COND_ADDRESS_HIGH), 2);
 141    PUSH_DATAh(push, hq->bo->offset + hq->offset);
 142    PUSH_DATA (push, hq->bo->offset + hq->offset);
 143 }
 144
 145 int
 146 nvc0_screen_get_driver_query_info(struct pipe_screen *pscreen,
 147                                   unsigned id,
 148                                   struct pipe_driver_query_info *info)
 149 {
 150    struct nvc0_screen *screen = nvc0_screen(pscreen);
 151    int num_sw_queries = 0, num_hw_queries = 0;
 152
 153    num_sw_queries = nvc0_sw_get_driver_query_info(screen, 0, NULL);
 154    num_hw_queries = nvc0_hw_get_driver_query_info(screen, 0, NULL);
 155
 156    if (!info)
 157       return num_sw_queries + num_hw_queries;
 158
 159    /* Init default values. */
 160    info->name = "this_is_not_the_query_you_are_looking_for";
 161    info->query_type = 0xdeadd01d;
 162    info->max_value.u64 = 0;
 163    info->type = PIPE_DRIVER_QUERY_TYPE_UINT64;
 164    info->group_id = -1;
 165    info->flags = 0;
 166
 167 #ifdef NOUVEAU_ENABLE_DRIVER_STATISTICS
 168    if (id < num_sw_queries)
 169       return nvc0_sw_get_driver_query_info(screen, id, info);
 170 #endif
 171
 172    return nvc0_hw_get_driver_query_info(screen, id - num_sw_queries, info);
 173 }
 174
 175 int
 176 nvc0_screen_get_driver_query_group_info(struct pipe_screen *pscreen,
 177                                         unsigned id,
 178                                         struct pipe_driver_query_group_info *info)
 179 {
 180    struct nvc0_screen *screen = nvc0_screen(pscreen);
 181    int count = 0;
 182
 183 #ifdef NOUVEAU_ENABLE_DRIVER_STATISTICS
 184    count++;
 185 #endif
 186
 187    if (screen->base.device->drm_version >= 0x01000101) {
 188       if (screen->compute) {
 189          if (screen->base.class_3d == NVE4_3D_CLASS) {
 190             count += 2;
 191          } else
 192          if (screen->base.class_3d < NVE4_3D_CLASS) {
 193             count += 2;
 194          }
 195       }
 196    }
 197
 198    if (!info)
 199       return count;
 200
 201    if (id == NVC0_HW_SM_QUERY_GROUP) {
 202       if (screen->compute) {
 203          info->name = "MP counters";
 204
 205          /* Because we can't expose the number of hardware counters needed for
 206           * each different query, we don't want to allow more than one active
 207           * query simultaneously to avoid failure when the maximum number of
 208           * counters is reached. Note that these groups of GPU counters are
 209           * currently only used by AMD_performance_monitor.
 210           */
 211          info->max_active_queries = 1;
 212
 213          if (screen->base.class_3d == NVE4_3D_CLASS) {
 214             info->num_queries = NVE4_HW_SM_QUERY_COUNT;
 215             return 1;
 216          } else
 217          if (screen->base.class_3d < NVE4_3D_CLASS) {
 218             info->num_queries = NVC0_HW_SM_QUERY_COUNT;
 219             return 1;
 220          }
 221       }
 222    } else
 223    if (id == NVC0_HW_METRIC_QUERY_GROUP) {
 224       if (screen->compute) {
 225           if (screen->base.class_3d == NVE4_3D_CLASS) {
 226             info->name = "Performance metrics";
 227             info->max_active_queries = 1;
 228             info->num_queries = NVE4_HW_METRIC_QUERY_COUNT;
 229             return 1;
 230          } else
 231          if (screen->base.class_3d < NVE4_3D_CLASS) {
 232             info->name = "Performance metrics";
 233             info->max_active_queries = 1;
 234             info->num_queries = NVC0_HW_METRIC_QUERY_COUNT;
 235             return 1;
 236          }
 237       }
 238    }
 239 #ifdef NOUVEAU_ENABLE_DRIVER_STATISTICS
 240    else if (id == NVC0_SW_QUERY_DRV_STAT_GROUP) {
 241       info->name = "Driver statistics";
 242       info->max_active_queries = NVC0_SW_QUERY_DRV_STAT_COUNT;
 243       info->num_queries = NVC0_SW_QUERY_DRV_STAT_COUNT;
 244       return 1;
 245    }
 246 #endif
 247
 248    /* user asked for info about non-existing query group */
 249    info->name = "this_is_not_the_query_group_you_are_looking_for";
 250    info->max_active_queries = 0;
 251    info->num_queries = 0;
 252    return 0;
 253 }
 254
 255 void
 256 nvc0_init_query_functions(struct nvc0_context *nvc0)
 257 {
 258    struct pipe_context *pipe = &nvc0->base.pipe;
 259
 260    pipe->create_query = nvc0_create_query;
 261    pipe->destroy_query = nvc0_destroy_query;
 262    pipe->begin_query = nvc0_begin_query;
 263    pipe->end_query = nvc0_end_query;
 264    pipe->get_query_result = nvc0_get_query_result;
 265    pipe->render_condition = nvc0_render_condition;
 266    nvc0->cond_condmode = NVC0_3D_COND_MODE_ALWAYS;
 267 }