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
139
140
141
142
143
144
|
//
// 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.
//
#include "api/util.hpp"
#include "core/context.hpp"
#include "core/platform.hpp"
using namespace clover;
CLOVER_API cl_context
clCreateContext(const cl_context_properties *d_props, cl_uint num_devs,
const cl_device_id *d_devs,
void (CL_CALLBACK *pfn_notify)(const char *, const void *,
size_t, void *),
void *user_data, cl_int *r_errcode) try {
auto props = obj<property_list_tag>(d_props);
auto devs = objs(d_devs, num_devs);
if (!pfn_notify && user_data)
throw error(CL_INVALID_VALUE);
for (auto &prop : props) {
if (prop.first == CL_CONTEXT_PLATFORM)
obj(prop.second.as<cl_platform_id>());
else
throw error(CL_INVALID_PROPERTY);
}
const auto notify = (!pfn_notify ? context::notify_action() :
[=](const char *s) {
pfn_notify(s, NULL, 0, user_data);
});
ret_error(r_errcode, CL_SUCCESS);
return desc(new context(props, devs, notify));
} catch (error &e) {
ret_error(r_errcode, e);
return NULL;
}
CLOVER_API cl_context
clCreateContextFromType(const cl_context_properties *d_props,
cl_device_type type,
void (CL_CALLBACK *pfn_notify)(
const char *, const void *, size_t, void *),
void *user_data, cl_int *r_errcode) try {
cl_platform_id d_platform;
cl_uint num_platforms;
cl_int ret;
std::vector<cl_device_id> devs;
cl_uint num_devices;
ret = clGetPlatformIDs(1, &d_platform, &num_platforms);
if (ret || !num_platforms)
throw error(CL_INVALID_PLATFORM);
ret = clGetDeviceIDs(d_platform, type, 0, NULL, &num_devices);
if (ret)
throw error(CL_DEVICE_NOT_FOUND);
devs.resize(num_devices);
ret = clGetDeviceIDs(d_platform, type, num_devices, devs.data(), 0);
if (ret)
throw error(CL_DEVICE_NOT_FOUND);
return clCreateContext(d_props, num_devices, devs.data(), pfn_notify,
user_data, r_errcode);
} catch (error &e) {
ret_error(r_errcode, e);
return NULL;
}
CLOVER_API cl_int
clRetainContext(cl_context d_ctx) try {
obj(d_ctx).retain();
return CL_SUCCESS;
} catch (error &e) {
return e.get();
}
CLOVER_API cl_int
clReleaseContext(cl_context d_ctx) try {
if (obj(d_ctx).release())
delete pobj(d_ctx);
return CL_SUCCESS;
} catch (error &e) {
return e.get();
}
CLOVER_API cl_int
clGetContextInfo(cl_context d_ctx, cl_context_info param,
size_t size, void *r_buf, size_t *r_size) try {
property_buffer buf { r_buf, size, r_size };
auto &ctx = obj(d_ctx);
switch (param) {
case CL_CONTEXT_REFERENCE_COUNT:
buf.as_scalar<cl_uint>() = ctx.ref_count();
break;
case CL_CONTEXT_NUM_DEVICES:
buf.as_scalar<cl_uint>() = ctx.devices().size();
break;
case CL_CONTEXT_DEVICES:
buf.as_vector<cl_device_id>() = descs(ctx.devices());
break;
case CL_CONTEXT_PROPERTIES:
buf.as_vector<cl_context_properties>() = desc(ctx.properties());
break;
default:
throw error(CL_INVALID_VALUE);
}
return CL_SUCCESS;
} catch (error &e) {
return e.get();
}
|
