src/gallium/state_trackers/clover/api/queue.cpp

   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 PUBLIC cl_command_queue
  29 clCreateCommandQueue(cl_context d_ctx, cl_device_id d_dev,
  30                      cl_command_queue_properties props,
  31                      cl_int *errcode_ret) try {
  32    auto &ctx = obj(d_ctx);
  33    auto &dev = obj(d_dev);
  34
  35    if (!ctx.has_device(dev))
  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(errcode_ret, CL_SUCCESS);
  43    return new command_queue(ctx, dev, props);
  44
  45 } catch (error &e) {
  46    ret_error(errcode_ret, e);
  47    return NULL;
  48 }
  49
  50 PUBLIC cl_int
  51 clRetainCommandQueue(cl_command_queue q) {
  52    if (!q)
  53       return CL_INVALID_COMMAND_QUEUE;
  54
  55    q->retain();
  56    return CL_SUCCESS;
  57 }
  58
  59 PUBLIC cl_int
  60 clReleaseCommandQueue(cl_command_queue q) {
  61    if (!q)
  62       return CL_INVALID_COMMAND_QUEUE;
  63
  64    if (q->release())
  65       delete q;
  66
  67    return CL_SUCCESS;
  68 }
  69
  70 PUBLIC cl_int
  71 clGetCommandQueueInfo(cl_command_queue q, cl_command_queue_info param,
  72                       size_t size, void *r_buf, size_t *r_size) try {
  73    property_buffer buf { r_buf, size, r_size };
  74
  75    if (!q)
  76       return CL_INVALID_COMMAND_QUEUE;
  77
  78    switch (param) {
  79    case CL_QUEUE_CONTEXT:
  80       buf.as_scalar<cl_context>() = &q->ctx;
  81       break;
  82
  83    case CL_QUEUE_DEVICE:
  84       buf.as_scalar<cl_device_id>() = &q->dev;
  85       break;
  86
  87    case CL_QUEUE_REFERENCE_COUNT:
  88       buf.as_scalar<cl_uint>() = q->ref_count();
  89       break;
  90
  91    case CL_QUEUE_PROPERTIES:
  92       buf.as_scalar<cl_command_queue_properties>() = q->props();
  93       break;
  94
  95    default:
  96       throw error(CL_INVALID_VALUE);
  97    }
  98
  99    return CL_SUCCESS;
 100
 101 } catch (error &e) {
 102    return e.get();
 103 }
 104
 105 PUBLIC cl_int
 106 clFlush(cl_command_queue q) {
 107    if (!q)
 108       return CL_INVALID_COMMAND_QUEUE;
 109
 110    q->flush();
 111    return CL_SUCCESS;
 112 }