src/gallium/drivers/ilo/ilo_query.c

   1 /*
   2  * Mesa 3-D graphics library
   3  *
   4  * Copyright (C) 2012-2013 LunarG, Inc.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the "Software"),
   8  * to deal in the Software without restriction, including without limitation
   9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10  * and/or sell copies of the Software, and to permit persons to whom the
  11  * Software is furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included
  14  * in all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  21  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  22  * DEALINGS IN THE SOFTWARE.
  23  *
  24  * Authors:
  25  *    Chia-I Wu <olv@lunarg.com>
  26  */
  27
  28 #include "intel_winsys.h"
  29
  30 #include "ilo_context.h"
  31 #include "ilo_cp.h"
  32 #include "ilo_draw.h"
  33 #include "ilo_query.h"
  34
  35 static const struct {
  36    bool (*init)(struct ilo_context *ilo, struct ilo_query *q);
  37    void (*begin)(struct ilo_context *ilo, struct ilo_query *q);
  38    void (*end)(struct ilo_context *ilo, struct ilo_query *q);
  39    void (*process)(struct ilo_context *ilo, struct ilo_query *q);
  40 } ilo_query_table[PIPE_QUERY_TYPES] = {
  41 #define INFO(mod) {                    \
  42    .init = ilo_init_ ## mod ## _query,         \
  43    .begin = ilo_begin_ ## mod ## _query,       \
  44    .end = ilo_end_ ## mod ## _query,           \
  45    .process = ilo_process_ ## mod ## _query,   \
  46 }
  47 #define INFOX(prefix) { NULL, NULL, NULL, NULL, }
  48
  49    [PIPE_QUERY_OCCLUSION_COUNTER]      = INFO(draw),
  50    [PIPE_QUERY_OCCLUSION_PREDICATE]    = INFOX(draw),
  51    [PIPE_QUERY_TIMESTAMP]              = INFO(draw),
  52    [PIPE_QUERY_TIMESTAMP_DISJOINT]     = INFOX(draw),
  53    [PIPE_QUERY_TIME_ELAPSED]           = INFO(draw),
  54    [PIPE_QUERY_PRIMITIVES_GENERATED]   = INFO(draw),
  55    [PIPE_QUERY_PRIMITIVES_EMITTED]     = INFO(draw),
  56    [PIPE_QUERY_SO_STATISTICS]          = INFOX(draw),
  57    [PIPE_QUERY_SO_OVERFLOW_PREDICATE]  = INFOX(draw),
  58    [PIPE_QUERY_GPU_FINISHED]           = INFOX(draw),
  59    [PIPE_QUERY_PIPELINE_STATISTICS]    = INFO(draw),
  60
  61 #undef INFO
  62 #undef INFOX
  63 };
  64
  65 static inline struct ilo_query *
  66 ilo_query(struct pipe_query *query)
  67 {
  68    return (struct ilo_query *) query;
  69 }
  70
  71 static struct pipe_query *
  72 ilo_create_query(struct pipe_context *pipe, unsigned query_type, unsigned index)
  73 {
  74    struct ilo_query *q;
  75
  76    switch (query_type) {
  77    case PIPE_QUERY_OCCLUSION_COUNTER:
  78    case PIPE_QUERY_TIMESTAMP:
  79    case PIPE_QUERY_TIME_ELAPSED:
  80    case PIPE_QUERY_PRIMITIVES_GENERATED:
  81    case PIPE_QUERY_PRIMITIVES_EMITTED:
  82    case PIPE_QUERY_PIPELINE_STATISTICS:
  83       break;
  84    default:
  85       return NULL;
  86    }
  87
  88    q = CALLOC_STRUCT(ilo_query);
  89    if (!q)
  90       return NULL;
  91
  92    q->type = query_type;
  93    q->index = index;
  94
  95    list_inithead(&q->list);
  96
  97    if (!ilo_query_table[q->type].init(ilo_context(pipe), q)) {
  98       FREE(q);
  99       return NULL;
 100    }
 101
 102    return (struct pipe_query *) q;
 103 }
 104
 105 static void
 106 ilo_destroy_query(struct pipe_context *pipe, struct pipe_query *query)
 107 {
 108    struct ilo_query *q = ilo_query(query);
 109
 110    intel_bo_unref(q->bo);
 111    FREE(q);
 112 }
 113
 114 static void
 115 ilo_begin_query(struct pipe_context *pipe, struct pipe_query *query)
 116 {
 117    struct ilo_query *q = ilo_query(query);
 118
 119    if (q->active)
 120       return;
 121
 122    util_query_clear_result(&q->result, q->type);
 123    q->used = 0;
 124    q->active = true;
 125
 126    ilo_query_table[q->type].begin(ilo_context(pipe), q);
 127 }
 128
 129 static void
 130 ilo_end_query(struct pipe_context *pipe, struct pipe_query *query)
 131 {
 132    struct ilo_query *q = ilo_query(query);
 133
 134    if (!q->active) {
 135       /* require ilo_begin_query() first */
 136       if (q->in_pairs)
 137          return;
 138
 139       ilo_begin_query(pipe, query);
 140    }
 141
 142    q->active = false;
 143
 144    ilo_query_table[q->type].end(ilo_context(pipe), q);
 145 }
 146
 147 /**
 148  * Serialize the result.  The size of \p buf is
 149  * sizeof(union pipe_query_result).
 150  */
 151 static void
 152 query_serialize(const struct ilo_query *q, void *buf)
 153 {
 154    switch (q->type) {
 155    case PIPE_QUERY_OCCLUSION_COUNTER:
 156    case PIPE_QUERY_TIMESTAMP:
 157    case PIPE_QUERY_TIME_ELAPSED:
 158    case PIPE_QUERY_PRIMITIVES_GENERATED:
 159    case PIPE_QUERY_PRIMITIVES_EMITTED:
 160       {
 161          uint64_t *dst = buf;
 162          dst[0] = q->result.u64;
 163       }
 164       break;
 165    case PIPE_QUERY_PIPELINE_STATISTICS:
 166       {
 167          const struct pipe_query_data_pipeline_statistics *stats =
 168             &q->result.pipeline_statistics;
 169          uint64_t *dst = buf;
 170
 171          dst[0] = stats->ia_vertices;
 172          dst[1] = stats->ia_primitives;
 173          dst[2] = stats->vs_invocations;
 174          dst[3] = stats->gs_invocations;
 175          dst[4] = stats->gs_primitives;
 176          dst[5] = stats->c_invocations;
 177          dst[6] = stats->c_primitives;
 178          dst[7] = stats->ps_invocations;
 179          dst[8] = stats->hs_invocations;
 180          dst[9] = stats->ds_invocations;
 181          dst[10] = stats->cs_invocations;
 182       }
 183       break;
 184    default:
 185       memset(buf, 0, sizeof(union pipe_query_result));
 186       break;
 187    }
 188 }
 189
 190 static boolean
 191 ilo_get_query_result(struct pipe_context *pipe, struct pipe_query *query,
 192                      boolean wait, union pipe_query_result *result)
 193 {
 194    struct ilo_query *q = ilo_query(query);
 195
 196    if (q->active)
 197       return false;
 198
 199    if (q->bo) {
 200       struct ilo_cp *cp = ilo_context(pipe)->cp;
 201
 202       if (ilo_builder_has_reloc(&cp->builder, q->bo))
 203          ilo_cp_submit(cp, "syncing for queries");
 204
 205       if (!wait && intel_bo_is_busy(q->bo))
 206          return false;
 207    }
 208
 209    ilo_query_table[q->type].process(ilo_context(pipe), q);
 210
 211    if (result)
 212       query_serialize(q, (void *) result);
 213
 214    return true;
 215 }
 216
 217 /**
 218  * Initialize query-related functions.
 219  */
 220 void
 221 ilo_init_query_functions(struct ilo_context *ilo)
 222 {
 223    ilo->base.create_query = ilo_create_query;
 224    ilo->base.destroy_query = ilo_destroy_query;
 225    ilo->base.begin_query = ilo_begin_query;
 226    ilo->base.end_query = ilo_end_query;
 227    ilo->base.get_query_result = ilo_get_query_result;
 228 }