src/gallium/drivers/ilo/ilo_query.h

   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 #ifndef ILO_QUERY_H
  29 #define ILO_QUERY_H
  30
  31 #include "ilo_common.h"
  32
  33 struct intel_bo;
  34 struct ilo_context;
  35
  36 /**
  37  * Queries can be bound to various places in the driver.  While bound, it tells
  38  * the driver to collect the data indicated by the type of the query.
  39  */
  40 struct ilo_query {
  41    unsigned type;
  42    unsigned index;
  43
  44    struct list_head list;
  45
  46    bool active;
  47
  48    /* for queries that need to read hardware statistics */
  49    int cmd_len; /* in dwords, as expected by ilo_cp */
  50    bool in_pairs;
  51    struct intel_bo *bo;
  52    int stride, count;
  53    int used;
  54
  55    /* storage for the collected data */
  56    union pipe_query_result result;
  57 };
  58
  59 void
  60 ilo_init_query_functions(struct ilo_context *ilo);
  61
  62 #endif /* ILO_QUERY_H */