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
130
131
132
133
134
135
136
137
138
|
//
// 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 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_RESOURCE_HPP
#define CLOVER_CORE_RESOURCE_HPP
#include <list>
#include "core/queue.hpp"
#include "util/algebra.hpp"
#include "pipe/p_state.h"
namespace clover {
class memory_obj;
class mapping;
///
/// Class that represents a device-specific instance of some memory
/// object.
///
class resource {
public:
typedef std::array<size_t, 3> vector;
virtual ~resource();
resource(const resource &r) = delete;
resource &
operator=(const resource &r) = delete;
void copy(command_queue &q, const vector &origin, const vector ®ion,
resource &src_resource, const vector &src_origin);
void clear(command_queue &q, const size_t origin, const size_t size,
const void *pattern, const size_t pattern_size);
void *add_map(command_queue &q, cl_map_flags flags, bool blocking,
const vector &origin, const vector ®ion);
void del_map(void *p);
unsigned map_count() const;
const intrusive_ref<clover::device> device;
memory_obj &obj;
friend class sub_resource;
friend class mapping;
friend class kernel;
protected:
resource(clover::device &dev, memory_obj &obj);
pipe_sampler_view *bind_sampler_view(command_queue &q);
void unbind_sampler_view(command_queue &q,
pipe_sampler_view *st);
pipe_surface *bind_surface(command_queue &q, bool rw);
void unbind_surface(command_queue &q, pipe_surface *st);
pipe_resource *pipe;
vector 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, memory_obj &obj,
command_queue &q, const void *data_ptr);
root_resource(clover::device &dev, 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(resource &r, const vector &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::vector &origin,
const resource::vector ®ion);
mapping(mapping &&m);
~mapping();
mapping &
operator=(mapping m);
mapping(const mapping &m) = delete;
template<typename T>
operator T *() const {
return (T *)p;
}
resource::vector pitch() const;
private:
pipe_context *pctx;
pipe_transfer *pxfer;
pipe_resource *pres;
void *p;
};
}
#endif
|
