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 CLOVER_API cl_command_queue
  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
  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
  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
  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.properties();
  95       break;
  96
  97    default:
  98       throw error(CL_INVALID_VALUE);
  99    }
 100
 101    return CL_SUCCESS;
 102
 103 } catch (error &e) {
 104    return e.get();
 105 }
 106
 107 CLOVER_API cl_int
 108 clFlush(cl_command_queue d_q) try {
 109    obj(d_q).flush();
 110    return CL_SUCCESS;
 111
 112 } catch (error &e) {
 113    return e.get();
 114 }
 115
 116 CLOVER_API cl_command_queue
 117 clCreateCommandQueueWithProperties(cl_context context, cl_device_id device,
 118                                    const cl_queue_properties *properties,
 119                                    cl_int *errcode_ret) try {
 120    cl_command_queue_properties props = 0;
 121    if (properties) {
 122       for (auto idx = 0; properties[idx]; idx += 2) {
 123          if (properties[idx] == CL_QUEUE_PROPERTIES)
 124             props |= properties[idx + 1];
 125          else
 126             throw error(CL_INVALID_VALUE);
 127       }
 128    }
 129
 130    return clCreateCommandQueue(context, device, props, errcode_ret);
 131
 132 } catch (error &e) {
 133    ret_error(errcode_ret, e);
 134    return NULL;
 135 }