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