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 bool
  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    return true;
  67 }
  68
  69 static boolean
  70 nvc0_get_query_result(struct pipe_context *pipe, struct pipe_query *pq,
  71                       boolean wait, union pipe_query_result *result)
  72 {
  73    struct nvc0_query *q = nvc0_query(pq);
  74    return q->funcs->get_query_result(nvc0_context(pipe), q, wait, result);
  75 }
  76
  77 static void
  78 nvc0_get_query_result_resource(struct pipe_context *pipe,
  79                                struct pipe_query *pq,
  80                                boolean wait,
  81                                enum pipe_query_value_type result_type,
  82                                int index,
  83                                struct pipe_resource *resource,
  84                                unsigned offset)
  85 {
  86    struct nvc0_query *q = nvc0_query(pq);
  87    if (!q->funcs->get_query_result_resource) {
  88       assert(!"Unexpected lack of get_query_result_resource");
  89       return;
  90    }
  91    q->funcs->get_query_result_resource(nvc0_context(pipe), q, wait, result_type,
  92                                        index, resource, offset);
  93 }
  94
  95 static void
  96 nvc0_render_condition(struct pipe_context *pipe,
  97                       struct pipe_query *pq,
  98                       boolean condition, enum pipe_render_cond_flag mode)
  99 {
 100    struct nvc0_context *nvc0 = nvc0_context(pipe);
 101    struct nouveau_pushbuf *push = nvc0->base.pushbuf;
 102    struct nvc0_query *q = nvc0_query(pq);
 103    struct nvc0_hw_query *hq = nvc0_hw_query(q);
 104    uint32_t cond;
 105    bool wait =
 106       mode != PIPE_RENDER_COND_NO_WAIT &&
 107       mode != PIPE_RENDER_COND_BY_REGION_NO_WAIT;
 108
 109    if (!pq) {
 110       cond = NVC0_3D_COND_MODE_ALWAYS;
 111    }
 112    else {
 113       /* NOTE: comparison of 2 queries only works if both have completed */
 114       switch (q->type) {
 115       case PIPE_QUERY_SO_OVERFLOW_PREDICATE:
 116          cond = condition ? NVC0_3D_COND_MODE_EQUAL :
 117                           NVC0_3D_COND_MODE_NOT_EQUAL;
 118          wait = true;
 119          break;
 120       case PIPE_QUERY_OCCLUSION_COUNTER:
 121       case PIPE_QUERY_OCCLUSION_PREDICATE:
 122       case PIPE_QUERY_OCCLUSION_PREDICATE_CONSERVATIVE:
 123          if (likely(!condition)) {
 124             if (unlikely(hq->nesting))
 125                cond = wait ? NVC0_3D_COND_MODE_NOT_EQUAL :
 126                              NVC0_3D_COND_MODE_ALWAYS;
 127             else
 128                cond = NVC0_3D_COND_MODE_RES_NON_ZERO;
 129          } else {
 130             cond = wait ? NVC0_3D_COND_MODE_EQUAL : NVC0_3D_COND_MODE_ALWAYS;
 131          }
 132          break;
 133       default:
 134          assert(!"render condition query not a predicate");
 135          cond = NVC0_3D_COND_MODE_ALWAYS;
 136          break;
 137       }
 138    }
 139
 140    nvc0->cond_query = pq;
 141    nvc0->cond_cond = condition;
 142    nvc0->cond_condmode = cond;
 143    nvc0->cond_mode = mode;
 144
 145    if (!pq) {
 146       PUSH_SPACE(push, 2);
 147       IMMED_NVC0(push, NVC0_3D(COND_MODE), cond);
 148       if (nvc0->screen->compute)
 149          IMMED_NVC0(push, NVC0_CP(COND_MODE), cond);
 150       return;
 151    }
 152
 153    if (wait)
 154       nvc0_hw_query_fifo_wait(nvc0, q);
 155
 156    PUSH_SPACE(push, 10);
 157    PUSH_REFN (push, hq->bo, NOUVEAU_BO_GART | NOUVEAU_BO_RD);
 158    BEGIN_NVC0(push, NVC0_3D(COND_ADDRESS_HIGH), 3);
 159    PUSH_DATAh(push, hq->bo->offset + hq->offset);
 160    PUSH_DATA (push, hq->bo->offset + hq->offset);
 161    PUSH_DATA (push, cond);
 162    BEGIN_NVC0(push, NVC0_2D(COND_ADDRESS_HIGH), 2);
 163    PUSH_DATAh(push, hq->bo->offset + hq->offset);
 164    PUSH_DATA (push, hq->bo->offset + hq->offset);
 165    if (nvc0->screen->compute) {
 166       BEGIN_NVC0(push, NVC0_CP(COND_ADDRESS_HIGH), 3);
 167       PUSH_DATAh(push, hq->bo->offset + hq->offset);
 168       PUSH_DATA (push, hq->bo->offset + hq->offset);
 169       PUSH_DATA (push, cond);
 170    }
 171 }
 172
 173 int
 174 nvc0_screen_get_driver_query_info(struct pipe_screen *pscreen,
 175                                   unsigned id,
 176                                   struct pipe_driver_query_info *info)
 177 {
 178    struct nvc0_screen *screen = nvc0_screen(pscreen);
 179    int num_sw_queries = 0, num_hw_queries = 0;
 180
 181    num_sw_queries = nvc0_sw_get_driver_query_info(screen, 0, NULL);
 182    num_hw_queries = nvc0_hw_get_driver_query_info(screen, 0, NULL);
 183
 184    if (!info)
 185       return num_sw_queries + num_hw_queries;
 186
 187    /* Init default values. */
 188    info->name = "this_is_not_the_query_you_are_looking_for";
 189    info->query_type = 0xdeadd01d;
 190    info->max_value.u64 = 0;
 191    info->type = PIPE_DRIVER_QUERY_TYPE_UINT64;
 192    info->group_id = -1;
 193    info->flags = 0;
 194
 195 #ifdef NOUVEAU_ENABLE_DRIVER_STATISTICS
 196    if (id < num_sw_queries)
 197       return nvc0_sw_get_driver_query_info(screen, id, info);
 198 #endif
 199
 200    return nvc0_hw_get_driver_query_info(screen, id - num_sw_queries, info);
 201 }
 202
 203 int
 204 nvc0_screen_get_driver_query_group_info(struct pipe_screen *pscreen,
 205                                         unsigned id,
 206                                         struct pipe_driver_query_group_info *info)
 207 {
 208    struct nvc0_screen *screen = nvc0_screen(pscreen);
 209    int count = 0;
 210
 211 #ifdef NOUVEAU_ENABLE_DRIVER_STATISTICS
 212    count++;
 213 #endif
 214
 215    if (screen->base.drm->version >= 0x01000101) {
 216       if (screen->compute) {
 217          if (screen->base.class_3d <= GM200_3D_CLASS) {
 218             count += 2;
 219          }
 220       }
 221    }
 222
 223    if (!info)
 224       return count;
 225
 226    if (id == NVC0_HW_SM_QUERY_GROUP) {
 227       if (screen->compute) {
 228          info->name = "MP counters";
 229
 230          /* Expose the maximum number of hardware counters available, although
 231           * some queries use more than one counter. Expect failures in that
 232           * case but as performance counters are for developers, this should
 233           * not have a real impact. */
 234          info->max_active_queries = 8;
 235          info->num_queries = nvc0_hw_sm_get_num_queries(screen);
 236          return 1;
 237       }
 238    } else
 239    if (id == NVC0_HW_METRIC_QUERY_GROUP) {
 240       if (screen->compute) {
 241           if (screen->base.class_3d <= GM200_3D_CLASS) {
 242             info->name = "Performance metrics";
 243             info->max_active_queries = 4; /* A metric uses at least 2 queries */
 244             info->num_queries = nvc0_hw_metric_get_num_queries(screen);
 245             return 1;
 246          }
 247       }
 248    }
 249 #ifdef NOUVEAU_ENABLE_DRIVER_STATISTICS
 250    else if (id == NVC0_SW_QUERY_DRV_STAT_GROUP) {
 251       info->name = "Driver statistics";
 252       info->max_active_queries = NVC0_SW_QUERY_DRV_STAT_COUNT;
 253       info->num_queries = NVC0_SW_QUERY_DRV_STAT_COUNT;
 254       return 1;
 255    }
 256 #endif
 257
 258    /* user asked for info about non-existing query group */
 259    info->name = "this_is_not_the_query_group_you_are_looking_for";
 260    info->max_active_queries = 0;
 261    info->num_queries = 0;
 262    return 0;
 263 }
 264
 265 static void
 266 nvc0_set_active_query_state(struct pipe_context *pipe, boolean enable)
 267 {
 268 }
 269
 270 void
 271 nvc0_init_query_functions(struct nvc0_context *nvc0)
 272 {
 273    struct pipe_context *pipe = &nvc0->base.pipe;
 274
 275    pipe->create_query = nvc0_create_query;
 276    pipe->destroy_query = nvc0_destroy_query;
 277    pipe->begin_query = nvc0_begin_query;
 278    pipe->end_query = nvc0_end_query;
 279    pipe->get_query_result = nvc0_get_query_result;
 280    pipe->get_query_result_resource = nvc0_get_query_result_resource;
 281    pipe->set_active_query_state = nvc0_set_active_query_state;
 282    pipe->render_condition = nvc0_render_condition;
 283    nvc0->cond_condmode = NVC0_3D_COND_MODE_ALWAYS;
 284 }