src/gallium/state_trackers/clover/core/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 "core/device.hpp"
  24 #include "core/platform.hpp"
  25 #include "pipe/p_screen.h"
  26 #include "pipe/p_state.h"
  27
  28 using namespace clover;
  29
  30 namespace {
  31    template<typename T>
  32    std::vector<T>
  33    get_compute_param(pipe_screen *pipe, pipe_shader_ir ir_format,
  34                      pipe_compute_cap cap) {
  35       int sz = pipe->get_compute_param(pipe, ir_format, cap, NULL);
  36       std::vector<T> v(sz / sizeof(T));
  37
  38       pipe->get_compute_param(pipe, ir_format, cap, &v.front());
  39       return v;
  40    }
  41 }
  42
  43 device::device(clover::platform &platform, pipe_loader_device *ldev) :
  44    platform(platform), ldev(ldev) {
  45    pipe = pipe_loader_create_screen(ldev);
  46    if (!pipe || !pipe->get_param(pipe, PIPE_CAP_COMPUTE)) {
  47       if (pipe)
  48          pipe->destroy(pipe);
  49       throw error(CL_INVALID_DEVICE);
  50    }
  51 }
  52
  53 device::~device() {
  54    if (pipe)
  55       pipe->destroy(pipe);
  56    if (ldev)
  57       pipe_loader_release(&ldev, 1);
  58 }
  59
  60 bool
  61 device::operator==(const device &dev) const {
  62    return this == &dev;
  63 }
  64
  65 cl_device_type
  66 device::type() const {
  67    switch (ldev->type) {
  68    case PIPE_LOADER_DEVICE_SOFTWARE:
  69       return CL_DEVICE_TYPE_CPU;
  70    case PIPE_LOADER_DEVICE_PCI:
  71    case PIPE_LOADER_DEVICE_PLATFORM:
  72       return CL_DEVICE_TYPE_GPU;
  73    default:
  74       unreachable("Unknown device type.");
  75    }
  76 }
  77
  78 cl_uint
  79 device::vendor_id() const {
  80    switch (ldev->type) {
  81    case PIPE_LOADER_DEVICE_SOFTWARE:
  82    case PIPE_LOADER_DEVICE_PLATFORM:
  83       return 0;
  84    case PIPE_LOADER_DEVICE_PCI:
  85       return ldev->u.pci.vendor_id;
  86    default:
  87       unreachable("Unknown device type.");
  88    }
  89 }
  90
  91 size_t
  92 device::max_images_read() const {
  93    return PIPE_MAX_SHADER_IMAGES;
  94 }
  95
  96 size_t
  97 device::max_images_write() const {
  98    return PIPE_MAX_SHADER_IMAGES;
  99 }
 100
 101 size_t
 102 device::max_image_buffer_size() const {
 103    return pipe->get_param(pipe, PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE);
 104 }
 105
 106 cl_uint
 107 device::max_image_levels_2d() const {
 108    return pipe->get_param(pipe, PIPE_CAP_MAX_TEXTURE_2D_LEVELS);
 109 }
 110
 111 cl_uint
 112 device::max_image_levels_3d() const {
 113    return pipe->get_param(pipe, PIPE_CAP_MAX_TEXTURE_3D_LEVELS);
 114 }
 115
 116 size_t
 117 device::max_image_array_number() const {
 118    return pipe->get_param(pipe, PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS);
 119 }
 120
 121 cl_uint
 122 device::max_samplers() const {
 123    return pipe->get_shader_param(pipe, PIPE_SHADER_COMPUTE,
 124                                  PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS);
 125 }
 126
 127 cl_ulong
 128 device::max_mem_global() const {
 129    return get_compute_param<uint64_t>(pipe, ir_format(),
 130                                       PIPE_COMPUTE_CAP_MAX_GLOBAL_SIZE)[0];
 131 }
 132
 133 cl_ulong
 134 device::max_mem_local() const {
 135    return get_compute_param<uint64_t>(pipe, ir_format(),
 136                                       PIPE_COMPUTE_CAP_MAX_LOCAL_SIZE)[0];
 137 }
 138
 139 cl_ulong
 140 device::max_mem_input() const {
 141    return get_compute_param<uint64_t>(pipe, ir_format(),
 142                                       PIPE_COMPUTE_CAP_MAX_INPUT_SIZE)[0];
 143 }
 144
 145 cl_ulong
 146 device::max_const_buffer_size() const {
 147    return pipe->get_shader_param(pipe, PIPE_SHADER_COMPUTE,
 148                                  PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE);
 149 }
 150
 151 cl_uint
 152 device::max_const_buffers() const {
 153    return pipe->get_shader_param(pipe, PIPE_SHADER_COMPUTE,
 154                                  PIPE_SHADER_CAP_MAX_CONST_BUFFERS);
 155 }
 156
 157 size_t
 158 device::max_threads_per_block() const {
 159    return get_compute_param<uint64_t>(
 160       pipe, ir_format(), PIPE_COMPUTE_CAP_MAX_THREADS_PER_BLOCK)[0];
 161 }
 162
 163 cl_ulong
 164 device::max_mem_alloc_size() const {
 165    return get_compute_param<uint64_t>(pipe, ir_format(),
 166                                       PIPE_COMPUTE_CAP_MAX_MEM_ALLOC_SIZE)[0];
 167 }
 168
 169 cl_uint
 170 device::max_clock_frequency() const {
 171    return get_compute_param<uint32_t>(pipe, ir_format(),
 172                                       PIPE_COMPUTE_CAP_MAX_CLOCK_FREQUENCY)[0];
 173 }
 174
 175 cl_uint
 176 device::max_compute_units() const {
 177    return get_compute_param<uint32_t>(pipe, ir_format(),
 178                                       PIPE_COMPUTE_CAP_MAX_COMPUTE_UNITS)[0];
 179 }
 180
 181 bool
 182 device::image_support() const {
 183    return get_compute_param<uint32_t>(pipe, ir_format(),
 184                                       PIPE_COMPUTE_CAP_IMAGES_SUPPORTED)[0];
 185 }
 186
 187 bool
 188 device::has_doubles() const {
 189    return pipe->get_param(pipe, PIPE_CAP_DOUBLES);
 190 }
 191
 192 bool
 193 device::has_unified_memory() const {
 194    return pipe->get_param(pipe, PIPE_CAP_UMA);
 195 }
 196
 197 std::vector<size_t>
 198 device::max_block_size() const {
 199    auto v = get_compute_param<uint64_t>(pipe, ir_format(),
 200                                         PIPE_COMPUTE_CAP_MAX_BLOCK_SIZE);
 201    return { v.begin(), v.end() };
 202 }
 203
 204 cl_uint
 205 device::subgroup_size() const {
 206    return get_compute_param<uint32_t>(pipe, ir_format(),
 207                                       PIPE_COMPUTE_CAP_SUBGROUP_SIZE)[0];
 208 }
 209
 210 cl_uint
 211 device::address_bits() const {
 212    return get_compute_param<uint32_t>(pipe, ir_format(),
 213                                       PIPE_COMPUTE_CAP_ADDRESS_BITS)[0];
 214 }
 215
 216 std::string
 217 device::device_name() const {
 218    return pipe->get_name(pipe);
 219 }
 220
 221 std::string
 222 device::vendor_name() const {
 223    return pipe->get_device_vendor(pipe);
 224 }
 225
 226 enum pipe_shader_ir
 227 device::ir_format() const {
 228    return (enum pipe_shader_ir) pipe->get_shader_param(
 229       pipe, PIPE_SHADER_COMPUTE, PIPE_SHADER_CAP_PREFERRED_IR);
 230 }
 231
 232 std::string
 233 device::ir_target() const {
 234    std::vector<char> target = get_compute_param<char>(
 235       pipe, ir_format(), PIPE_COMPUTE_CAP_IR_TARGET);
 236    return { target.data() };
 237 }
 238
 239 enum pipe_endian
 240 device::endianness() const {
 241    return (enum pipe_endian)pipe->get_param(pipe, PIPE_CAP_ENDIANNESS);
 242 }