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 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/platform.hpp"
  25 #include "core/device.hpp"
  26
  27 using namespace clover;
  28
  29 PUBLIC cl_int
  30 clGetDeviceIDs(cl_platform_id platform, cl_device_type device_type,
  31                cl_uint num_entries, cl_device_id *devices,
  32                cl_uint *num_devices) {
  33    std::vector<cl_device_id> devs;
  34
  35    if ((!num_entries && devices) ||
  36        (!num_devices && !devices))
  37       return CL_INVALID_VALUE;
  38
  39    // Collect matching devices
  40    for (device &dev : *platform) {
  41       if (((device_type & CL_DEVICE_TYPE_DEFAULT) &&
  42            &dev == &platform->front()) ||
  43           (device_type & dev.type()))
  44          devs.push_back(&dev);
  45    }
  46
  47    if (devs.empty())
  48       return CL_DEVICE_NOT_FOUND;
  49
  50    // ...and return the requested data.
  51    if (num_devices)
  52       *num_devices = devs.size();
  53    if (devices)
  54       std::copy_n(devs.begin(),
  55                   std::min((cl_uint)devs.size(), num_entries),
  56                   devices);
  57
  58    return CL_SUCCESS;
  59 }
  60
  61 PUBLIC cl_int
  62 clGetDeviceInfo(cl_device_id dev, cl_device_info param,
  63                 size_t size, void *r_buf, size_t *r_size) try {
  64    property_buffer buf { r_buf, size, r_size };
  65
  66    if (!dev)
  67       return CL_INVALID_DEVICE;
  68
  69    switch (param) {
  70    case CL_DEVICE_TYPE:
  71       buf.as_scalar<cl_device_type>() = dev->type();
  72       break;
  73
  74    case CL_DEVICE_VENDOR_ID:
  75       buf.as_scalar<cl_uint>() = dev->vendor_id();
  76       break;
  77
  78    case CL_DEVICE_MAX_COMPUTE_UNITS:
  79       buf.as_scalar<cl_uint>() = 1;
  80       break;
  81
  82    case CL_DEVICE_MAX_WORK_ITEM_DIMENSIONS:
  83       buf.as_scalar<cl_uint>() = dev->max_block_size().size();
  84       break;
  85
  86    case CL_DEVICE_MAX_WORK_ITEM_SIZES:
  87       buf.as_vector<size_t>() = dev->max_block_size();
  88       break;
  89
  90    case CL_DEVICE_MAX_WORK_GROUP_SIZE:
  91       buf.as_scalar<size_t>() = dev->max_threads_per_block();
  92       break;
  93
  94    case CL_DEVICE_PREFERRED_VECTOR_WIDTH_CHAR:
  95       buf.as_scalar<cl_uint>() = 16;
  96       break;
  97
  98    case CL_DEVICE_PREFERRED_VECTOR_WIDTH_SHORT:
  99       buf.as_scalar<cl_uint>() = 8;
 100       break;
 101
 102    case CL_DEVICE_PREFERRED_VECTOR_WIDTH_INT:
 103       buf.as_scalar<cl_uint>() = 4;
 104       break;
 105
 106    case CL_DEVICE_PREFERRED_VECTOR_WIDTH_LONG:
 107       buf.as_scalar<cl_uint>() = 2;
 108       break;
 109
 110    case CL_DEVICE_PREFERRED_VECTOR_WIDTH_FLOAT:
 111       buf.as_scalar<cl_uint>() = 4;
 112       break;
 113
 114    case CL_DEVICE_PREFERRED_VECTOR_WIDTH_DOUBLE:
 115       buf.as_scalar<cl_uint>() = 2;
 116       break;
 117
 118    case CL_DEVICE_PREFERRED_VECTOR_WIDTH_HALF:
 119       buf.as_scalar<cl_uint>() = 0;
 120       break;
 121
 122    case CL_DEVICE_MAX_CLOCK_FREQUENCY:
 123       buf.as_scalar<cl_uint>() = 0;
 124       break;
 125
 126    case CL_DEVICE_ADDRESS_BITS:
 127       buf.as_scalar<cl_uint>() = 32;
 128       break;
 129
 130    case CL_DEVICE_MAX_READ_IMAGE_ARGS:
 131       buf.as_scalar<cl_uint>() = dev->max_images_read();
 132       break;
 133
 134    case CL_DEVICE_MAX_WRITE_IMAGE_ARGS:
 135       buf.as_scalar<cl_uint>() = dev->max_images_write();
 136       break;
 137
 138    case CL_DEVICE_MAX_MEM_ALLOC_SIZE:
 139       buf.as_scalar<cl_ulong>() = dev->max_mem_alloc_size();
 140       break;
 141
 142    case CL_DEVICE_IMAGE2D_MAX_WIDTH:
 143    case CL_DEVICE_IMAGE2D_MAX_HEIGHT:
 144       buf.as_scalar<size_t>() = 1 << dev->max_image_levels_2d();
 145       break;
 146
 147    case CL_DEVICE_IMAGE3D_MAX_WIDTH:
 148    case CL_DEVICE_IMAGE3D_MAX_HEIGHT:
 149    case CL_DEVICE_IMAGE3D_MAX_DEPTH:
 150       buf.as_scalar<size_t>() = 1 << dev->max_image_levels_3d();
 151       break;
 152
 153    case CL_DEVICE_IMAGE_SUPPORT:
 154       buf.as_scalar<cl_bool>() = CL_TRUE;
 155       break;
 156
 157    case CL_DEVICE_MAX_PARAMETER_SIZE:
 158       buf.as_scalar<size_t>() = dev->max_mem_input();
 159       break;
 160
 161    case CL_DEVICE_MAX_SAMPLERS:
 162       buf.as_scalar<cl_uint>() = dev->max_samplers();
 163       break;
 164
 165    case CL_DEVICE_MEM_BASE_ADDR_ALIGN:
 166    case CL_DEVICE_MIN_DATA_TYPE_ALIGN_SIZE:
 167       buf.as_scalar<cl_uint>() = 128;
 168       break;
 169
 170    case CL_DEVICE_SINGLE_FP_CONFIG:
 171       buf.as_scalar<cl_device_fp_config>() =
 172          CL_FP_DENORM | CL_FP_INF_NAN | CL_FP_ROUND_TO_NEAREST;
 173       break;
 174
 175    case CL_DEVICE_GLOBAL_MEM_CACHE_TYPE:
 176       buf.as_scalar<cl_device_mem_cache_type>() = CL_NONE;
 177       break;
 178
 179    case CL_DEVICE_GLOBAL_MEM_CACHELINE_SIZE:
 180       buf.as_scalar<cl_uint>() = 0;
 181       break;
 182
 183    case CL_DEVICE_GLOBAL_MEM_CACHE_SIZE:
 184       buf.as_scalar<cl_ulong>() = 0;
 185       break;
 186
 187    case CL_DEVICE_GLOBAL_MEM_SIZE:
 188       buf.as_scalar<cl_ulong>() = dev->max_mem_global();
 189       break;
 190
 191    case CL_DEVICE_MAX_CONSTANT_BUFFER_SIZE:
 192       buf.as_scalar<cl_ulong>() = dev->max_const_buffer_size();
 193       break;
 194
 195    case CL_DEVICE_MAX_CONSTANT_ARGS:
 196       buf.as_scalar<cl_uint>() = dev->max_const_buffers();
 197       break;
 198
 199    case CL_DEVICE_LOCAL_MEM_TYPE:
 200       buf.as_scalar<cl_device_local_mem_type>() = CL_LOCAL;
 201       break;
 202
 203    case CL_DEVICE_LOCAL_MEM_SIZE:
 204       buf.as_scalar<cl_ulong>() = dev->max_mem_local();
 205       break;
 206
 207    case CL_DEVICE_ERROR_CORRECTION_SUPPORT:
 208       buf.as_scalar<cl_bool>() = CL_FALSE;
 209       break;
 210
 211    case CL_DEVICE_PROFILING_TIMER_RESOLUTION:
 212       buf.as_scalar<size_t>() = 0;
 213       break;
 214
 215    case CL_DEVICE_ENDIAN_LITTLE:
 216       buf.as_scalar<cl_bool>() = (dev->endianness() == PIPE_ENDIAN_LITTLE);
 217       break;
 218
 219    case CL_DEVICE_AVAILABLE:
 220    case CL_DEVICE_COMPILER_AVAILABLE:
 221       buf.as_scalar<cl_bool>() = CL_TRUE;
 222       break;
 223
 224    case CL_DEVICE_EXECUTION_CAPABILITIES:
 225       buf.as_scalar<cl_device_exec_capabilities>() = CL_EXEC_KERNEL;
 226       break;
 227
 228    case CL_DEVICE_QUEUE_PROPERTIES:
 229       buf.as_scalar<cl_command_queue_properties>() = CL_QUEUE_PROFILING_ENABLE;
 230       break;
 231
 232    case CL_DEVICE_NAME:
 233       buf.as_string() = dev->device_name();
 234       break;
 235
 236    case CL_DEVICE_VENDOR:
 237       buf.as_string() = dev->vendor_name();
 238       break;
 239
 240    case CL_DRIVER_VERSION:
 241       buf.as_string() = PACKAGE_VERSION;
 242       break;
 243
 244    case CL_DEVICE_PROFILE:
 245       buf.as_string() = "FULL_PROFILE";
 246       break;
 247
 248    case CL_DEVICE_VERSION:
 249       buf.as_string() = "OpenCL 1.1 MESA " PACKAGE_VERSION;
 250       break;
 251
 252    case CL_DEVICE_EXTENSIONS:
 253       buf.as_string() = "";
 254       break;
 255
 256    case CL_DEVICE_PLATFORM:
 257       buf.as_scalar<cl_platform_id>() = &dev->platform;
 258       break;
 259
 260    case CL_DEVICE_HOST_UNIFIED_MEMORY:
 261       buf.as_scalar<cl_bool>() = CL_TRUE;
 262       break;
 263
 264    case CL_DEVICE_NATIVE_VECTOR_WIDTH_CHAR:
 265       buf.as_scalar<cl_uint>() = 16;
 266       break;
 267
 268    case CL_DEVICE_NATIVE_VECTOR_WIDTH_SHORT:
 269       buf.as_scalar<cl_uint>() = 8;
 270       break;
 271
 272    case CL_DEVICE_NATIVE_VECTOR_WIDTH_INT:
 273       buf.as_scalar<cl_uint>() = 4;
 274       break;
 275
 276    case CL_DEVICE_NATIVE_VECTOR_WIDTH_LONG:
 277       buf.as_scalar<cl_uint>() = 2;
 278       break;
 279
 280    case CL_DEVICE_NATIVE_VECTOR_WIDTH_FLOAT:
 281       buf.as_scalar<cl_uint>() = 4;
 282       break;
 283
 284    case CL_DEVICE_NATIVE_VECTOR_WIDTH_DOUBLE:
 285       buf.as_scalar<cl_uint>() = 2;
 286       break;
 287
 288    case CL_DEVICE_NATIVE_VECTOR_WIDTH_HALF:
 289       buf.as_scalar<cl_uint>() = 0;
 290       break;
 291
 292    case CL_DEVICE_OPENCL_C_VERSION:
 293       buf.as_string() = "OpenCL C 1.1";
 294       break;
 295
 296    default:
 297       throw error(CL_INVALID_VALUE);
 298    }
 299
 300    return CL_SUCCESS;
 301
 302 } catch (error &e) {
 303    return e.get();
 304 }