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 "pipe/p_screen.h"
  25 #include "pipe/p_state.h"
  26
  27 using namespace clover;
  28
  29 namespace {
  30    template<typename T>
  31    std::vector<T>
  32    get_compute_param(pipe_screen *pipe, pipe_compute_cap cap) {
  33       int sz = pipe->get_compute_param(pipe, cap, NULL);
  34       std::vector<T> v(sz / sizeof(T));
  35
  36       pipe->get_compute_param(pipe, cap, &v.front());
  37       return v;
  38    }
  39 }
  40
  41 _cl_device_id::_cl_device_id(clover::platform &platform,
  42                              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       throw error(CL_INVALID_DEVICE);
  47 }
  48
  49 _cl_device_id::_cl_device_id(_cl_device_id &&dev) :
  50    platform(dev.platform), pipe(dev.pipe), ldev(dev.ldev) {
  51    dev.pipe = NULL;
  52    dev.ldev = NULL;
  53 }
  54
  55 _cl_device_id::~_cl_device_id() {
  56    if (pipe)
  57       pipe->destroy(pipe);
  58    if (ldev)
  59       pipe_loader_release(&ldev, 1);
  60 }
  61
  62 _cl_device_id &
  63 _cl_device_id::operator=(_cl_device_id dev) {
  64    assert(&platform == &dev.platform);
  65
  66    std::swap(pipe, dev.pipe);
  67    std::swap(ldev, dev.ldev);
  68
  69    return *this;
  70 }
  71
  72 cl_device_type
  73 _cl_device_id::type() const {
  74    switch (ldev->type) {
  75    case PIPE_LOADER_DEVICE_SOFTWARE:
  76       return CL_DEVICE_TYPE_CPU;
  77    case PIPE_LOADER_DEVICE_PCI:
  78       return CL_DEVICE_TYPE_GPU;
  79    default:
  80       assert(0);
  81       return 0;
  82    }
  83 }
  84
  85 cl_uint
  86 _cl_device_id::vendor_id() const {
  87    switch (ldev->type) {
  88    case PIPE_LOADER_DEVICE_SOFTWARE:
  89       return 0;
  90    case PIPE_LOADER_DEVICE_PCI:
  91       return ldev->u.pci.vendor_id;
  92    default:
  93       assert(0);
  94       return 0;
  95    }
  96 }
  97
  98 size_t
  99 _cl_device_id::max_images_read() const {
 100    return PIPE_MAX_SHADER_RESOURCES;
 101 }
 102
 103 size_t
 104 _cl_device_id::max_images_write() const {
 105    return PIPE_MAX_SHADER_RESOURCES;
 106 }
 107
 108 cl_uint
 109 _cl_device_id::max_image_levels_2d() const {
 110    return pipe->get_param(pipe, PIPE_CAP_MAX_TEXTURE_2D_LEVELS);
 111 }
 112
 113 cl_uint
 114 _cl_device_id::max_image_levels_3d() const {
 115    return pipe->get_param(pipe, PIPE_CAP_MAX_TEXTURE_3D_LEVELS);
 116 }
 117
 118 cl_uint
 119 _cl_device_id::max_samplers() const {
 120    return pipe->get_shader_param(pipe, PIPE_SHADER_COMPUTE,
 121                                  PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS);
 122 }
 123
 124 cl_ulong
 125 _cl_device_id::max_mem_global() const {
 126    return get_compute_param<uint64_t>(pipe,
 127                                       PIPE_COMPUTE_CAP_MAX_GLOBAL_SIZE)[0];
 128 }
 129
 130 cl_ulong
 131 _cl_device_id::max_mem_local() const {
 132    return get_compute_param<uint64_t>(pipe,
 133                                       PIPE_COMPUTE_CAP_MAX_LOCAL_SIZE)[0];
 134 }
 135
 136 cl_ulong
 137 _cl_device_id::max_mem_input() const {
 138    return get_compute_param<uint64_t>(pipe,
 139                                       PIPE_COMPUTE_CAP_MAX_INPUT_SIZE)[0];
 140 }
 141
 142 cl_ulong
 143 _cl_device_id::max_const_buffer_size() const {
 144    return pipe->get_shader_param(pipe, PIPE_SHADER_COMPUTE,
 145                                  PIPE_SHADER_CAP_MAX_CONSTS) * 16;
 146 }
 147
 148 cl_uint
 149 _cl_device_id::max_const_buffers() const {
 150    return pipe->get_shader_param(pipe, PIPE_SHADER_COMPUTE,
 151                                  PIPE_SHADER_CAP_MAX_CONST_BUFFERS);
 152 }
 153
 154 size_t
 155 _cl_device_id::max_threads_per_block() const {
 156    return get_compute_param<uint64_t>(
 157       pipe, PIPE_COMPUTE_CAP_MAX_THREADS_PER_BLOCK)[0];
 158 }
 159
 160 cl_ulong
 161 _cl_device_id::max_mem_alloc_size() const {
 162    return get_compute_param<uint64_t>(pipe,
 163                                       PIPE_COMPUTE_CAP_MAX_MEM_ALLOC_SIZE)[0];
 164 }
 165
 166 std::vector<size_t>
 167 _cl_device_id::max_block_size() const {
 168    auto v = get_compute_param<uint64_t>(pipe, PIPE_COMPUTE_CAP_MAX_BLOCK_SIZE);
 169    return { v.begin(), v.end() };
 170 }
 171
 172 std::string
 173 _cl_device_id::device_name() const {
 174    return pipe->get_name(pipe);
 175 }
 176
 177 std::string
 178 _cl_device_id::vendor_name() const {
 179    return pipe->get_vendor(pipe);
 180 }
 181
 182 enum pipe_shader_ir
 183 _cl_device_id::ir_format() const {
 184    return (enum pipe_shader_ir) pipe->get_shader_param(pipe,
 185                                                   PIPE_SHADER_COMPUTE,
 186                                                   PIPE_SHADER_CAP_PREFERRED_IR);
 187 }
 188
 189 std::string
 190 _cl_device_id::ir_target() const {
 191    std::vector<char> target = get_compute_param<char>(pipe,
 192                                                     PIPE_COMPUTE_CAP_IR_TARGET);
 193    return { target.data() };
 194 }