1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
|
//
// Copyright 2012 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 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 __CORE_RESOURCE_HPP__
#define __CORE_RESOURCE_HPP__
#include <list>
#include "core/base.hpp"
#include "core/memory.hpp"
#include "core/geometry.hpp"
#include "pipe/p_state.h"
namespace clover {
class mapping;
///
/// Class that represents a device-specific instance of some memory
/// object.
///
class resource {
public:
typedef clover::point<size_t, 3> point;
resource(const resource &r) = delete;
virtual ~resource();
void copy(command_queue &q, const point &origin, const point ®ion,
resource &src_resource, const point &src_origin);
void *add_map(command_queue &q, cl_map_flags flags, bool blocking,
const point &origin, const point ®ion);
void del_map(void *p);
unsigned map_count() const;
clover::device &dev;
clover::memory_obj &obj;
friend class sub_resource;
friend class mapping;
friend struct ::_cl_kernel;
protected:
resource(clover::device &dev, clover::memory_obj &obj);
pipe_sampler_view *bind_sampler_view(clover::command_queue &q);
void unbind_sampler_view(clover::command_queue &q,
pipe_sampler_view *st);
pipe_surface *bind_surface(clover::command_queue &q, bool rw);
void unbind_surface(clover::command_queue &q, pipe_surface *st);
pipe_resource *pipe;
point offset;
private:
std::list<mapping> maps;
};
///
/// Resource associated with its own top-level data storage
/// allocated in some device.
///
class root_resource : public resource {
public:
root_resource(clover::device &dev, clover::memory_obj &obj,
clover::command_queue &q, const std::string &data);
root_resource(clover::device &dev, clover::memory_obj &obj,
root_resource &r);
virtual ~root_resource();
};
///
/// Resource that reuses a portion of some other resource as data
/// storage.
///
class sub_resource : public resource {
public:
sub_resource(clover::resource &r, point offset);
};
///
/// Class that represents a mapping of some resource into the CPU
/// memory space.
///
class mapping {
public:
mapping(command_queue &q, resource &r, cl_map_flags flags,
bool blocking, const resource::point &origin,
const resource::point ®ion);
mapping(const mapping &m) = delete;
mapping(mapping &&m);
~mapping();
operator void *() {
return p;
}
operator char *() {
return (char *)p;
}
private:
pipe_context *pctx;
pipe_transfer *pxfer;
void *p;
};
}
#endif
|