src/gallium/state_trackers/clover/core/timestamp.cpp

   1 //
   2 // Copyright 2013 Francisco Jerez
   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
  23 #include "core/timestamp.hpp"
  24 #include "core/queue.hpp"
  25 #include "pipe/p_screen.h"
  26 #include "pipe/p_context.h"
  27
  28 using namespace clover;
  29
  30 timestamp::query::query(command_queue &q) :
  31    q(q),
  32    _query(q.pipe->create_query(q.pipe, PIPE_QUERY_TIMESTAMP, 0)) {
  33 }
  34
  35 timestamp::query::query(query &&other) :
  36    q(other.q),
  37    _query(other._query) {
  38    other._query = NULL;
  39 }
  40
  41 timestamp::query::~query() {
  42    if (_query)
  43       q().pipe->destroy_query(q().pipe, _query);
  44 }
  45
  46 cl_ulong
  47 timestamp::query::operator()() const {
  48    pipe_query_result result;
  49
  50    if (!q().pipe->get_query_result(q().pipe, _query, false, &result))
  51       throw error(CL_PROFILING_INFO_NOT_AVAILABLE);
  52
  53    return result.u64;
  54 }
  55
  56 timestamp::current::current(command_queue &q) :
  57    result(q.pipe->screen->get_timestamp(q.pipe->screen)) {
  58 }
  59
  60 cl_ulong
  61 timestamp::current::operator()() const {
  62    return result;
  63 }