src/gallium/state_trackers/clover/api/device.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 BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  18 // WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
  19 // OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  20 // SOFTWARE.
  21 //
  22
  23 #include "api/util.hpp"
  24 #include "core/device.hpp"
  25
  26 using namespace clover;
  27
  28 static device_registry registry;
  29
  30 PUBLIC cl_int
  31 clGetDeviceIDs(cl_platform_id platform, cl_device_type device_type,
  32                cl_uint num_entries, cl_device_id *devices,
  33                cl_uint *num_devices) {
  34    std::vector<cl_device_id> devs;
  35
  36    if (platform != NULL)
  37       return CL_INVALID_PLATFORM;
  38
  39    if ((!num_entries && devices) ||
  40        (!num_devices && !devices))
  41       return CL_INVALID_VALUE;
  42
  43    // Collect matching devices
  44    for (device &dev : registry) {
  45       if (((device_type & CL_DEVICE_TYPE_DEFAULT) &&
  46            &dev == &registry.front()) ||
  47           (device_type & dev.type()))
  48          devs.push_back(&dev);
  49    }
  50
  51    if (devs.empty())
  52       return CL_DEVICE_NOT_FOUND;
  53
  54    // ...and return the requested data.
  55    if (num_devices)
  56       *num_devices = devs.size();
  57    if (devices)
  58       std::copy_n(devs.begin(),
  59                   std::min((cl_uint)devs.size(), num_entries),
  60                   devices);
  61
  62    return CL_SUCCESS;
  63 }
  64
  65 PUBLIC cl_int
  66 clGetDeviceInfo(cl_device_id dev, cl_device_info param,
  67                 size_t size, void *buf, size_t *size_ret) {
  68    if (!dev)
  69       return CL_INVALID_DEVICE;
  70
  71    switch (param) {
  72    case CL_DEVICE_TYPE:
  73       return scalar_property<cl_device_type>(buf, size, size_ret, dev->type());
  74
  75    case CL_DEVICE_VENDOR_ID:
  76       return scalar_property<cl_uint>(buf, size, size_ret, dev->vendor_id());
  77
  78    case CL_DEVICE_MAX_COMPUTE_UNITS:
  79       return scalar_property<cl_uint>(buf, size, size_ret, 1);
  80
  81    case CL_DEVICE_MAX_WORK_ITEM_DIMENSIONS:
  82       return scalar_property<cl_uint>(buf, size, size_ret,
  83                                       dev->max_block_size().size());
  84
  85    case CL_DEVICE_MAX_WORK_ITEM_SIZES:
  86       return vector_property<size_t>(buf, size, size_ret,
  87                                      dev->max_block_size());
  88
  89    case CL_DEVICE_MAX_WORK_GROUP_SIZE:
  90       return scalar_property<size_t>(buf, size, size_ret,
  91                                      dev->max_threads_per_block());
  92
  93    case CL_DEVICE_PREFERRED_VECTOR_WIDTH_CHAR:
  94       return scalar_property<cl_uint>(buf, size, size_ret, 16);
  95
  96    case CL_DEVICE_PREFERRED_VECTOR_WIDTH_SHORT:
  97       return scalar_property<cl_uint>(buf, size, size_ret, 8);
  98
  99    case CL_DEVICE_PREFERRED_VECTOR_WIDTH_INT:
 100       return scalar_property<cl_uint>(buf, size, size_ret, 4);
 101
 102    case CL_DEVICE_PREFERRED_VECTOR_WIDTH_LONG:
 103       return scalar_property<cl_uint>(buf, size, size_ret, 2);
 104
 105    case CL_DEVICE_PREFERRED_VECTOR_WIDTH_FLOAT:
 106       return scalar_property<cl_uint>(buf, size, size_ret, 4);
 107
 108    case CL_DEVICE_PREFERRED_VECTOR_WIDTH_DOUBLE:
 109       return scalar_property<cl_uint>(buf, size, size_ret, 2);
 110
 111    case CL_DEVICE_PREFERRED_VECTOR_WIDTH_HALF:
 112       return scalar_property<cl_uint>(buf, size, size_ret, 0);
 113
 114    case CL_DEVICE_MAX_CLOCK_FREQUENCY:
 115       return scalar_property<cl_uint>(buf, size, size_ret, 0);
 116
 117    case CL_DEVICE_ADDRESS_BITS:
 118       return scalar_property<cl_uint>(buf, size, size_ret, 32);
 119
 120    case CL_DEVICE_MAX_READ_IMAGE_ARGS:
 121       return scalar_property<cl_uint>(buf, size, size_ret,
 122                                       dev->max_images_read());
 123
 124    case CL_DEVICE_MAX_WRITE_IMAGE_ARGS:
 125       return scalar_property<cl_uint>(buf, size, size_ret,
 126                                       dev->max_images_write());
 127
 128    case CL_DEVICE_MAX_MEM_ALLOC_SIZE:
 129       return scalar_property<cl_ulong>(buf, size, size_ret, 0);
 130
 131    case CL_DEVICE_IMAGE2D_MAX_WIDTH:
 132    case CL_DEVICE_IMAGE2D_MAX_HEIGHT:
 133       return scalar_property<size_t>(buf, size, size_ret,
 134                                      1 << dev->max_image_levels_2d());
 135
 136    case CL_DEVICE_IMAGE3D_MAX_WIDTH:
 137    case CL_DEVICE_IMAGE3D_MAX_HEIGHT:
 138    case CL_DEVICE_IMAGE3D_MAX_DEPTH:
 139       return scalar_property<size_t>(buf, size, size_ret,
 140                                      1 << dev->max_image_levels_3d());
 141
 142    case CL_DEVICE_IMAGE_SUPPORT:
 143       return scalar_property<cl_bool>(buf, size, size_ret, CL_TRUE);
 144
 145    case CL_DEVICE_MAX_PARAMETER_SIZE:
 146       return scalar_property<size_t>(buf, size, size_ret,
 147                                      dev->max_mem_input());
 148
 149    case CL_DEVICE_MAX_SAMPLERS:
 150       return scalar_property<cl_uint>(buf, size, size_ret,
 151                                       dev->max_samplers());
 152
 153    case CL_DEVICE_MEM_BASE_ADDR_ALIGN:
 154    case CL_DEVICE_MIN_DATA_TYPE_ALIGN_SIZE:
 155       return scalar_property<cl_uint>(buf, size, size_ret, 128);
 156
 157    case CL_DEVICE_SINGLE_FP_CONFIG:
 158       return scalar_property<cl_device_fp_config>(buf, size, size_ret,
 159          CL_FP_DENORM | CL_FP_INF_NAN | CL_FP_ROUND_TO_NEAREST);
 160
 161    case CL_DEVICE_GLOBAL_MEM_CACHE_TYPE:
 162       return scalar_property<cl_device_mem_cache_type>(buf, size, size_ret,
 163                                                        CL_NONE);
 164
 165    case CL_DEVICE_GLOBAL_MEM_CACHELINE_SIZE:
 166       return scalar_property<cl_uint>(buf, size, size_ret, 0);
 167
 168    case CL_DEVICE_GLOBAL_MEM_CACHE_SIZE:
 169       return scalar_property<cl_ulong>(buf, size, size_ret, 0);
 170
 171    case CL_DEVICE_GLOBAL_MEM_SIZE:
 172       return scalar_property<cl_ulong>(buf, size, size_ret,
 173                                        dev->max_mem_global());
 174
 175    case CL_DEVICE_MAX_CONSTANT_BUFFER_SIZE:
 176       return scalar_property<cl_ulong>(buf, size, size_ret,
 177                                        dev->max_const_buffer_size());
 178
 179    case CL_DEVICE_MAX_CONSTANT_ARGS:
 180       return scalar_property<cl_uint>(buf, size, size_ret,
 181                                       dev->max_const_buffers());
 182
 183    case CL_DEVICE_LOCAL_MEM_TYPE:
 184       return scalar_property<cl_device_local_mem_type>(buf, size, size_ret,
 185                                                        CL_LOCAL);
 186
 187    case CL_DEVICE_LOCAL_MEM_SIZE:
 188       return scalar_property<cl_ulong>(buf, size, size_ret,
 189                                        dev->max_mem_local());
 190
 191    case CL_DEVICE_ERROR_CORRECTION_SUPPORT:
 192       return scalar_property<cl_bool>(buf, size, size_ret, CL_FALSE);
 193
 194    case CL_DEVICE_PROFILING_TIMER_RESOLUTION:
 195       return scalar_property<size_t>(buf, size, size_ret, 0);
 196
 197    case CL_DEVICE_ENDIAN_LITTLE:
 198       return scalar_property<cl_bool>(buf, size, size_ret, CL_TRUE);
 199
 200    case CL_DEVICE_AVAILABLE:
 201    case CL_DEVICE_COMPILER_AVAILABLE:
 202       return scalar_property<cl_bool>(buf, size, size_ret, CL_TRUE);
 203
 204    case CL_DEVICE_EXECUTION_CAPABILITIES:
 205       return scalar_property<cl_device_exec_capabilities>(buf, size, size_ret,
 206                                                           CL_EXEC_KERNEL);
 207
 208    case CL_DEVICE_QUEUE_PROPERTIES:
 209       return scalar_property<cl_command_queue_properties>(buf, size, size_ret,
 210          CL_QUEUE_PROFILING_ENABLE);
 211
 212    case CL_DEVICE_NAME:
 213       return string_property(buf, size, size_ret, dev->device_name());
 214
 215    case CL_DEVICE_VENDOR:
 216       return string_property(buf, size, size_ret, dev->vendor_name());
 217
 218    case CL_DRIVER_VERSION:
 219       return string_property(buf, size, size_ret, MESA_VERSION);
 220
 221    case CL_DEVICE_PROFILE:
 222       return string_property(buf, size, size_ret, "FULL_PROFILE");
 223
 224    case CL_DEVICE_VERSION:
 225       return string_property(buf, size, size_ret, "OpenCL 1.1 MESA " MESA_VERSION);
 226
 227    case CL_DEVICE_EXTENSIONS:
 228       return string_property(buf, size, size_ret, "");
 229
 230    case CL_DEVICE_PLATFORM:
 231       return scalar_property<cl_platform_id>(buf, size, size_ret, NULL);
 232
 233    case CL_DEVICE_HOST_UNIFIED_MEMORY:
 234       return scalar_property<cl_bool>(buf, size, size_ret, CL_TRUE);
 235
 236    case CL_DEVICE_NATIVE_VECTOR_WIDTH_CHAR:
 237       return scalar_property<cl_uint>(buf, size, size_ret, 16);
 238
 239    case CL_DEVICE_NATIVE_VECTOR_WIDTH_SHORT:
 240       return scalar_property<cl_uint>(buf, size, size_ret, 8);
 241
 242    case CL_DEVICE_NATIVE_VECTOR_WIDTH_INT:
 243       return scalar_property<cl_uint>(buf, size, size_ret, 4);
 244
 245    case CL_DEVICE_NATIVE_VECTOR_WIDTH_LONG:
 246       return scalar_property<cl_uint>(buf, size, size_ret, 2);
 247
 248    case CL_DEVICE_NATIVE_VECTOR_WIDTH_FLOAT:
 249       return scalar_property<cl_uint>(buf, size, size_ret, 4);
 250
 251    case CL_DEVICE_NATIVE_VECTOR_WIDTH_DOUBLE:
 252       return scalar_property<cl_uint>(buf, size, size_ret, 2);
 253
 254    case CL_DEVICE_NATIVE_VECTOR_WIDTH_HALF:
 255       return scalar_property<cl_uint>(buf, size, size_ret, 0);
 256
 257    case CL_DEVICE_OPENCL_C_VERSION:
 258       return string_property(buf, size, size_ret, "OpenCL C 1.1");
 259
 260    default:
 261       return CL_INVALID_VALUE;
 262    }
 263 }