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 BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
18 // WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
19 // OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20 // SOFTWARE.
21 //
22 
23 #ifndef __CORE_QUEUE_HPP__
24 #define __CORE_QUEUE_HPP__
25 
26 #include "core/base.hpp"
27 #include "core/context.hpp"
28 #include "pipe/p_context.h"
29 
30 namespace clover {
31    typedef struct _cl_command_queue command_queue;
32    class resource;
33    class mapping;
34    class hard_event;
35 }
36 
37 struct _cl_command_queue : public clover::ref_counter {
38 public:
39    _cl_command_queue(clover::context &ctx, clover::device &dev,
40                      cl_command_queue_properties props);
41    _cl_command_queue(const _cl_command_queue &q) = delete;
42    ~_cl_command_queue();
43 
44    void flush();
45 
props_cl_command_queue46    cl_command_queue_properties props() const {
47       return __props;
48    }
49 
50    clover::context &ctx;
51    clover::device &dev;
52 
53    friend class clover::resource;
54    friend class clover::root_resource;
55    friend class clover::mapping;
56    friend class clover::hard_event;
57    friend struct _cl_sampler;
58    friend struct _cl_kernel;
59 
60 private:
61    /// Serialize a hardware event with respect to the previous ones,
62    /// and push it to the pending list.
63    void sequence(clover::hard_event *ev);
64 
65    cl_command_queue_properties __props;
66    pipe_context *pipe;
67 
68    typedef clover::ref_ptr<clover::hard_event> event_ptr;
69    std::vector<event_ptr> queued_events;
70 };
71 
72 #endif
73