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
26using namespace clover;
27
28CLOVER_API cl_command_queue
29clCreateCommandQueue(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
50CLOVER_API cl_int
51clRetainCommandQueue(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
59CLOVER_API cl_int
60clReleaseCommandQueue(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
74CLOVER_API cl_int
75clGetCommandQueueInfo(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
120CLOVER_API cl_int
121clFlush(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
129CLOVER_API cl_command_queue
130clCreateCommandQueueWithProperties(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