src/gallium/state_trackers/clover/core/queue.hpp

   1 //
   2 // Copyright 2012 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 #ifndef CLOVER_CORE_QUEUE_HPP
  24 #define CLOVER_CORE_QUEUE_HPP
  25
  26 #include <deque>
  27 #include <mutex>
  28
  29 #include "core/object.hpp"
  30 #include "core/context.hpp"
  31 #include "core/timestamp.hpp"
  32 #include "pipe/p_context.h"
  33
  34 namespace clover {
  35    class resource;
  36    class mapping;
  37    class hard_event;
  38
  39    class command_queue : public ref_counter, public _cl_command_queue {
  40    public:
  41       command_queue(clover::context &ctx, clover::device &dev,
  42                     cl_command_queue_properties props);
  43       ~command_queue();
  44
  45       command_queue(const command_queue &q) = delete;
  46       command_queue &
  47       operator=(const command_queue &q) = delete;
  48
  49       void flush();
  50
  51       cl_command_queue_properties properties() const;
  52       bool profiling_enabled() const;
  53
  54       const intrusive_ref<clover::context> context;
  55       const intrusive_ref<clover::device> device;
  56
  57       friend class resource;
  58       friend class root_resource;
  59       friend class mapping;
  60       friend class hard_event;
  61       friend class sampler;
  62       friend class kernel;
  63       friend class clover::timestamp::query;
  64       friend class clover::timestamp::current;
  65
  66    private:
  67       /// Serialize a hardware event with respect to the previous ones,
  68       /// and push it to the pending list.
  69       void sequence(hard_event &ev);
  70
  71       cl_command_queue_properties props;
  72       pipe_context *pipe;
  73       std::mutex queued_events_mutex;
  74       std::deque<intrusive_ref<hard_event>> queued_events;
  75    };
  76 }
  77
  78 #endif