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| 5564 | serge | 1 | // |
| 2 | // Copyright 2013 Francisco Jerez |
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| 3 | // |
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| 4 | // Permission is hereby granted, free of charge, to any person obtaining a |
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| 5 | // copy of this software and associated documentation files (the "Software"), |
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| 6 | // to deal in the Software without restriction, including without limitation |
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| 7 | // the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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| 8 | // and/or sell copies of the Software, and to permit persons to whom the |
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| 9 | // Software is furnished to do so, subject to the following conditions: |
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| 10 | // |
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| 11 | // The above copyright notice and this permission notice shall be included in |
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| 12 | // all copies or substantial portions of the Software. |
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| 13 | // |
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| 14 | // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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| 15 | // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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| 16 | // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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| 17 | // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR |
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| 18 | // OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
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| 19 | // ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
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| 20 | // OTHER DEALINGS IN THE SOFTWARE. |
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| 21 | // |
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| 22 | |||
| 23 | #ifndef CLOVER_CORE_TIMESTAMP_HPP |
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| 24 | #define CLOVER_CORE_TIMESTAMP_HPP |
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| 25 | |||
| 26 | #include "core/object.hpp" |
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| 27 | |||
| 28 | struct pipe_query; |
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| 29 | |||
| 30 | namespace clover { |
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| 31 | class command_queue; |
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| 32 | |||
| 33 | namespace timestamp { |
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| 34 | /// |
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| 35 | /// Emit a timestamp query that is executed asynchronously by |
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| 36 | /// the command queue \a q. |
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| 37 | /// |
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| 38 | class query { |
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| 39 | public: |
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| 40 | query(command_queue &q); |
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| 41 | query(query &&other); |
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| 42 | ~query(); |
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| 43 | |||
| 44 | query &operator=(const query &) = delete; |
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| 45 | |||
| 46 | /// |
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| 47 | /// Retrieve the query results. |
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| 48 | /// |
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| 49 | cl_ulong operator()() const; |
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| 50 | |||
| 51 | private: |
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| 52 | const intrusive_ref |
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| 53 | pipe_query *_query; |
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| 54 | }; |
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| 55 | |||
| 56 | /// |
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| 57 | /// Get the current timestamp value. |
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| 58 | /// |
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| 59 | class current { |
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| 60 | public: |
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| 61 | current(command_queue &q); |
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| 62 | |||
| 63 | /// |
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| 64 | /// Retrieve the query results. |
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| 65 | /// |
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| 66 | cl_ulong operator()() const; |
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| 67 | |||
| 68 | private: |
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| 69 | cl_ulong result; |
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| 70 | }; |
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| 71 | } |
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| 72 | } |
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| 73 | |||
| 74 | #endif |