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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 #include "api/util.hpp"
24 #include "core/queue.hpp"
25 
26 using namespace clover;
27 
28 CLOVER_API cl_command_queue
clCreateCommandQueue(cl_context d_ctx,cl_device_id d_dev,cl_command_queue_properties props,cl_int * r_errcode)29 clCreateCommandQueue(cl_context d_ctx, cl_device_id d_dev,
30                      cl_command_queue_properties props,
31                      cl_int *r_errcode) try {
32    auto &ctx = obj(d_ctx);
33    auto &dev = obj(d_dev);
34 
35    if (!count(dev, ctx.devices()))
36       throw error(CL_INVALID_DEVICE);
37 
38    if (props & ~(CL_QUEUE_OUT_OF_ORDER_EXEC_MODE_ENABLE |
39                  CL_QUEUE_PROFILING_ENABLE))
40       throw error(CL_INVALID_VALUE);
41 
42    ret_error(r_errcode, CL_SUCCESS);
43    return new command_queue(ctx, dev, props);
44 
45 } catch (error &e) {
46    ret_error(r_errcode, e);
47    return NULL;
48 }
49 
50 CLOVER_API cl_int
clRetainCommandQueue(cl_command_queue d_q)51 clRetainCommandQueue(cl_command_queue d_q) try {
52    obj(d_q).retain();
53    return CL_SUCCESS;
54 
55 } catch (error &e) {
56    return e.get();
57 }
58 
59 CLOVER_API cl_int
clReleaseCommandQueue(cl_command_queue d_q)60 clReleaseCommandQueue(cl_command_queue d_q) try {
61    auto &q = obj(d_q);
62 
63    q.flush();
64 
65    if (q.release())
66       delete pobj(d_q);
67 
68    return CL_SUCCESS;
69 
70 } catch (error &e) {
71    return e.get();
72 }
73 
74 CLOVER_API cl_int
clGetCommandQueueInfo(cl_command_queue d_q,cl_command_queue_info param,size_t size,void * r_buf,size_t * r_size)75 clGetCommandQueueInfo(cl_command_queue d_q, cl_command_queue_info param,
76                       size_t size, void *r_buf, size_t *r_size) try {
77    property_buffer buf { r_buf, size, r_size };
78    auto &q = obj(d_q);
79 
80    switch (param) {
81    case CL_QUEUE_CONTEXT:
82       buf.as_scalar<cl_context>() = desc(q.context());
83       break;
84 
85    case CL_QUEUE_DEVICE:
86       buf.as_scalar<cl_device_id>() = desc(q.device());
87       break;
88 
89    case CL_QUEUE_REFERENCE_COUNT:
90       buf.as_scalar<cl_uint>() = q.ref_count();
91       break;
92 
93    case CL_QUEUE_PROPERTIES:
94       buf.as_scalar<cl_command_queue_properties>() = q.props();
95       break;
96 
97    case CL_QUEUE_PROPERTIES_ARRAY:
98       buf.as_vector<cl_queue_properties>() = q.properties();
99       break;
100 
101    case CL_QUEUE_DEVICE_DEFAULT:
102       if (r_size)
103 	 *r_size = 0;
104       break;
105 
106    case CL_QUEUE_SIZE:
107       throw error(CL_INVALID_COMMAND_QUEUE);
108       break;
109 
110    default:
111       throw error(CL_INVALID_VALUE);
112    }
113 
114    return CL_SUCCESS;
115 
116 } catch (error &e) {
117    return e.get();
118 }
119 
120 CLOVER_API cl_int
clFlush(cl_command_queue d_q)121 clFlush(cl_command_queue d_q) try {
122    obj(d_q).flush();
123    return CL_SUCCESS;
124 
125 } catch (error &e) {
126    return e.get();
127 }
128 
129 CLOVER_API cl_command_queue
clCreateCommandQueueWithProperties(cl_context d_ctx,cl_device_id d_dev,const cl_queue_properties * d_properties,cl_int * r_errcode)130 clCreateCommandQueueWithProperties(cl_context d_ctx, cl_device_id d_dev,
131                                    const cl_queue_properties *d_properties,
132                                    cl_int *r_errcode) try {
133    auto &ctx = obj(d_ctx);
134    auto &dev = obj(d_dev);
135 
136    if (!count(dev, ctx.devices()))
137       throw error(CL_INVALID_DEVICE);
138 
139    ret_error(r_errcode, CL_SUCCESS);
140    std::vector<cl_queue_properties> properties;
141 
142    if (d_properties) {
143       int idx = -1;
144       /* these come in pairs, bail if the first is 0 */
145       do {
146          idx++;
147          properties.push_back(d_properties[idx]);
148       } while (d_properties[idx & ~1]);
149    }
150    return new command_queue(ctx, dev, properties);
151 
152 } catch (error &e) {
153    ret_error(r_errcode, e);
154    return NULL;
155 }
156