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       assert(0);
  74       return 0;
  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       assert(0);
  88       return 0;
  89    }
  90 }
  91
  92 size_t
  93 device::max_images_read() const {
  94    return PIPE_MAX_SHADER_RESOURCES;
  95 }
  96
  97 size_t
  98 device::max_images_write() const {
  99    return PIPE_MAX_SHADER_RESOURCES;
 100 }
 101
 102 cl_uint
 103 device::max_image_levels_2d() const {
 104    return pipe->get_param(pipe, PIPE_CAP_MAX_TEXTURE_2D_LEVELS);
 105 }
 106
 107 cl_uint
 108 device::max_image_levels_3d() const {
 109    return pipe->get_param(pipe, PIPE_CAP_MAX_TEXTURE_3D_LEVELS);
 110 }
 111
 112 cl_uint
 113 device::max_samplers() const {
 114    return pipe->get_shader_param(pipe, PIPE_SHADER_COMPUTE,
 115                                  PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS);
 116 }
 117
 118 cl_ulong
 119 device::max_mem_global() const {
 120    return get_compute_param<uint64_t>(pipe,
 121                                       PIPE_COMPUTE_CAP_MAX_GLOBAL_SIZE)[0];
 122 }
 123
 124 cl_ulong
 125 device::max_mem_local() const {
 126    return get_compute_param<uint64_t>(pipe,
 127                                       PIPE_COMPUTE_CAP_MAX_LOCAL_SIZE)[0];
 128 }
 129
 130 cl_ulong
 131 device::max_mem_input() const {
 132    return get_compute_param<uint64_t>(pipe,
 133                                       PIPE_COMPUTE_CAP_MAX_INPUT_SIZE)[0];
 134 }
 135
 136 cl_ulong
 137 device::max_const_buffer_size() const {
 138    return pipe->get_shader_param(pipe, PIPE_SHADER_COMPUTE,
 139                                  PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE);
 140 }
 141
 142 cl_uint
 143 device::max_const_buffers() const {
 144    return pipe->get_shader_param(pipe, PIPE_SHADER_COMPUTE,
 145                                  PIPE_SHADER_CAP_MAX_CONST_BUFFERS);
 146 }
 147
 148 size_t
 149 device::max_threads_per_block() const {
 150    return get_compute_param<uint64_t>(
 151       pipe, PIPE_COMPUTE_CAP_MAX_THREADS_PER_BLOCK)[0];
 152 }
 153
 154 cl_ulong
 155 device::max_mem_alloc_size() const {
 156    return get_compute_param<uint64_t>(pipe,
 157                                       PIPE_COMPUTE_CAP_MAX_MEM_ALLOC_SIZE)[0];
 158 }
 159
 160 cl_uint
 161 device::max_clock_frequency() const {
 162    return get_compute_param<uint32_t>(pipe,
 163                                       PIPE_COMPUTE_CAP_MAX_CLOCK_FREQUENCY)[0];
 164 }
 165
 166 cl_uint
 167 device::max_compute_units() const {
 168    return get_compute_param<uint32_t>(pipe,
 169                                       PIPE_COMPUTE_CAP_MAX_COMPUTE_UNITS)[0];
 170 }
 171
 172 bool
 173 device::image_support() const {
 174    return get_compute_param<uint32_t>(pipe,
 175                                       PIPE_COMPUTE_CAP_IMAGES_SUPPORTED)[0];
 176 }
 177
 178 std::vector<size_t>
 179 device::max_block_size() const {
 180    auto v = get_compute_param<uint64_t>(pipe, PIPE_COMPUTE_CAP_MAX_BLOCK_SIZE);
 181    return { v.begin(), v.end() };
 182 }
 183
 184 std::string
 185 device::device_name() const {
 186    return pipe->get_name(pipe);
 187 }
 188
 189 std::string
 190 device::vendor_name() const {
 191    return pipe->get_vendor(pipe);
 192 }
 193
 194 enum pipe_shader_ir
 195 device::ir_format() const {
 196    return (enum pipe_shader_ir) pipe->get_shader_param(
 197       pipe, PIPE_SHADER_COMPUTE, PIPE_SHADER_CAP_PREFERRED_IR);
 198 }
 199
 200 std::string
 201 device::ir_target() const {
 202    std::vector<char> target = get_compute_param<char>(
 203       pipe, PIPE_COMPUTE_CAP_IR_TARGET);
 204    return { target.data() };
 205 }
 206
 207 enum pipe_endian
 208 device::endianness() const {
 209    return (enum pipe_endian)pipe->get_param(pipe, PIPE_CAP_ENDIANNESS);
 210 }