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_get_query_result_resource(struct pipe_context *pipe,
  78                                struct pipe_query *pq,
  79                                boolean wait,
  80                                enum pipe_query_value_type result_type,
  81                                int index,
  82                                struct pipe_resource *resource,
  83                                unsigned offset)
  84 {
  85    struct nvc0_query *q = nvc0_query(pq);
  86    if (!q->funcs->get_query_result_resource) {
  87       assert(!"Unexpected lack of get_query_result_resource");
  88       return;
  89    }
  90    q->funcs->get_query_result_resource(nvc0_context(pipe), q, wait, result_type,
  91                                        index, resource, offset);
  92 }
  93
  94 static void
  95 nvc0_render_condition(struct pipe_context *pipe,
  96                       struct pipe_query *pq,
  97                       boolean condition, uint mode)
  98 {
  99    struct nvc0_context *nvc0 = nvc0_context(pipe);
 100    struct nouveau_pushbuf *push = nvc0->base.pushbuf;
 101    struct nvc0_query *q = nvc0_query(pq);
 102    struct nvc0_hw_query *hq = nvc0_hw_query(q);
 103    uint32_t cond;
 104    bool wait =
 105       mode != PIPE_RENDER_COND_NO_WAIT &&
 106       mode != PIPE_RENDER_COND_BY_REGION_NO_WAIT;
 107
 108    if (!pq) {
 109       cond = NVC0_3D_COND_MODE_ALWAYS;
 110    }
 111    else {
 112       /* NOTE: comparison of 2 queries only works if both have completed */
 113       switch (q->type) {
 114       case PIPE_QUERY_SO_OVERFLOW_PREDICATE:
 115          cond = condition ? NVC0_3D_COND_MODE_EQUAL :
 116                           NVC0_3D_COND_MODE_NOT_EQUAL;
 117          wait = true;
 118          break;
 119       case PIPE_QUERY_OCCLUSION_COUNTER:
 120       case PIPE_QUERY_OCCLUSION_PREDICATE:
 121          if (likely(!condition)) {
 122             if (unlikely(hq->nesting))
 123                cond = wait ? NVC0_3D_COND_MODE_NOT_EQUAL :
 124                              NVC0_3D_COND_MODE_ALWAYS;
 125             else
 126                cond = NVC0_3D_COND_MODE_RES_NON_ZERO;
 127          } else {
 128             cond = wait ? NVC0_3D_COND_MODE_EQUAL : NVC0_3D_COND_MODE_ALWAYS;
 129          }
 130          break;
 131       default:
 132          assert(!"render condition query not a predicate");
 133          cond = NVC0_3D_COND_MODE_ALWAYS;
 134          break;
 135       }
 136    }
 137
 138    nvc0->cond_query = pq;
 139    nvc0->cond_cond = condition;
 140    nvc0->cond_condmode = cond;
 141    nvc0->cond_mode = mode;
 142
 143    if (!pq) {
 144       PUSH_SPACE(push, 1);
 145       IMMED_NVC0(push, NVC0_3D(COND_MODE), cond);
 146       return;
 147    }
 148
 149    if (wait)
 150       nvc0_hw_query_fifo_wait(nvc0, q);
 151
 152    PUSH_SPACE(push, 7);
 153    PUSH_REFN (push, hq->bo, NOUVEAU_BO_GART | NOUVEAU_BO_RD);
 154    BEGIN_NVC0(push, NVC0_3D(COND_ADDRESS_HIGH), 3);
 155    PUSH_DATAh(push, hq->bo->offset + hq->offset);
 156    PUSH_DATA (push, hq->bo->offset + hq->offset);
 157    PUSH_DATA (push, cond);
 158    BEGIN_NVC0(push, NVC0_2D(COND_ADDRESS_HIGH), 2);
 159    PUSH_DATAh(push, hq->bo->offset + hq->offset);
 160    PUSH_DATA (push, hq->bo->offset + hq->offset);
 161 }
 162
 163 int
 164 nvc0_screen_get_driver_query_info(struct pipe_screen *pscreen,
 165                                   unsigned id,
 166                                   struct pipe_driver_query_info *info)
 167 {
 168    struct nvc0_screen *screen = nvc0_screen(pscreen);
 169    int num_sw_queries = 0, num_hw_queries = 0;
 170
 171    num_sw_queries = nvc0_sw_get_driver_query_info(screen, 0, NULL);
 172    num_hw_queries = nvc0_hw_get_driver_query_info(screen, 0, NULL);
 173
 174    if (!info)
 175       return num_sw_queries + num_hw_queries;
 176
 177    /* Init default values. */
 178    info->name = "this_is_not_the_query_you_are_looking_for";
 179    info->query_type = 0xdeadd01d;
 180    info->max_value.u64 = 0;
 181    info->type = PIPE_DRIVER_QUERY_TYPE_UINT64;
 182    info->group_id = -1;
 183    info->flags = 0;
 184
 185 #ifdef NOUVEAU_ENABLE_DRIVER_STATISTICS
 186    if (id < num_sw_queries)
 187       return nvc0_sw_get_driver_query_info(screen, id, info);
 188 #endif
 189
 190    return nvc0_hw_get_driver_query_info(screen, id - num_sw_queries, info);
 191 }
 192
 193 int
 194 nvc0_screen_get_driver_query_group_info(struct pipe_screen *pscreen,
 195                                         unsigned id,
 196                                         struct pipe_driver_query_group_info *info)
 197 {
 198    struct nvc0_screen *screen = nvc0_screen(pscreen);
 199    int count = 0;
 200
 201 #ifdef NOUVEAU_ENABLE_DRIVER_STATISTICS
 202    count++;
 203 #endif
 204
 205    if (screen->base.drm->version >= 0x01000101) {
 206       if (screen->compute) {
 207          if (screen->base.class_3d <= NVF0_3D_CLASS) {
 208             count += 2;
 209          }
 210       }
 211    }
 212
 213    if (!info)
 214       return count;
 215
 216    if (id == NVC0_HW_SM_QUERY_GROUP) {
 217       if (screen->compute) {
 218          info->name = "MP counters";
 219
 220          /* Because we can't expose the number of hardware counters needed for
 221           * each different query, we don't want to allow more than one active
 222           * query simultaneously to avoid failure when the maximum number of
 223           * counters is reached. Note that these groups of GPU counters are
 224           * currently only used by AMD_performance_monitor.
 225           */
 226          info->max_active_queries = 1;
 227          info->num_queries = nvc0_hw_sm_get_num_queries(screen);
 228          return 1;
 229       }
 230    } else
 231    if (id == NVC0_HW_METRIC_QUERY_GROUP) {
 232       if (screen->compute) {
 233           if (screen->base.class_3d <= NVF0_3D_CLASS) {
 234             info->name = "Performance metrics";
 235             info->max_active_queries = 1;
 236             info->num_queries = nvc0_hw_metric_get_num_queries(screen);
 237             return 1;
 238          }
 239       }
 240    }
 241 #ifdef NOUVEAU_ENABLE_DRIVER_STATISTICS
 242    else if (id == NVC0_SW_QUERY_DRV_STAT_GROUP) {
 243       info->name = "Driver statistics";
 244       info->max_active_queries = NVC0_SW_QUERY_DRV_STAT_COUNT;
 245       info->num_queries = NVC0_SW_QUERY_DRV_STAT_COUNT;
 246       return 1;
 247    }
 248 #endif
 249
 250    /* user asked for info about non-existing query group */
 251    info->name = "this_is_not_the_query_group_you_are_looking_for";
 252    info->max_active_queries = 0;
 253    info->num_queries = 0;
 254    return 0;
 255 }
 256
 257 void
 258 nvc0_init_query_functions(struct nvc0_context *nvc0)
 259 {
 260    struct pipe_context *pipe = &nvc0->base.pipe;
 261
 262    pipe->create_query = nvc0_create_query;
 263    pipe->destroy_query = nvc0_destroy_query;
 264    pipe->begin_query = nvc0_begin_query;
 265    pipe->end_query = nvc0_end_query;
 266    pipe->get_query_result = nvc0_get_query_result;
 267    pipe->get_query_result_resource = nvc0_get_query_result_resource;
 268    pipe->render_condition = nvc0_render_condition;
 269    nvc0->cond_condmode = NVC0_3D_COND_MODE_ALWAYS;
 270 }