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//
// Copyright 2013 Francisco Jerez
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
// OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.
//
#ifndef CLOVER_CORE_TIMESTAMP_HPP
#define CLOVER_CORE_TIMESTAMP_HPP
#include "core/object.hpp"
struct pipe_query;
namespace clover {
class command_queue;
namespace timestamp {
///
/// Emit a timestamp query that is executed asynchronously by
/// the command queue \a q.
///
class query {
public:
query(command_queue &q);
query(query &&other);
~query();
query &operator=(const query &) = delete;
///
/// Retrieve the query results.
///
cl_ulong operator()() const;
private:
const intrusive_ref<command_queue> q;
pipe_query *_query;
};
///
/// Get the current timestamp value.
///
class current {
public:
current(command_queue &q);
///
/// Retrieve the query results.
///
cl_ulong operator()() const;
private:
cl_ulong result;
};
}
}
#endif
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