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 BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, 18// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF 19// OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 20// SOFTWARE. 21// 22 23#include "core/device.hpp" 24#include "pipe/p_screen.h" 25#include "pipe/p_state.h" 26 27using namespace clover; 28 29namespace { 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(pipe_loader_device *ldev) : ldev(ldev) { 42 pipe = pipe_loader_create_screen(ldev, PIPE_SEARCH_DIR); 43 if (!pipe || !pipe->get_param(pipe, PIPE_CAP_COMPUTE)) 44 throw error(CL_INVALID_DEVICE); 45} 46 47_cl_device_id::_cl_device_id(_cl_device_id &&dev) : pipe(dev.pipe), ldev(dev.ldev) { 48 dev.ldev = NULL; 49 dev.pipe = NULL; 50} 51 52_cl_device_id::~_cl_device_id() { 53 if (pipe) 54 pipe->destroy(pipe); 55 if (ldev) 56 pipe_loader_release(&ldev, 1); 57} 58 59cl_device_type 60_cl_device_id::type() const { 61 switch (ldev->type) { 62 case PIPE_LOADER_DEVICE_SOFTWARE: 63 return CL_DEVICE_TYPE_CPU; 64 case PIPE_LOADER_DEVICE_PCI: 65 return CL_DEVICE_TYPE_GPU; 66 default: 67 assert(0); 68 return 0; 69 } 70} 71 72cl_uint 73_cl_device_id::vendor_id() const { 74 switch (ldev->type) { 75 case PIPE_LOADER_DEVICE_SOFTWARE: 76 return 0; 77 case PIPE_LOADER_DEVICE_PCI: 78 return ldev->u.pci.vendor_id; 79 default: 80 assert(0); 81 return 0; 82 } 83} 84 85size_t 86_cl_device_id::max_images_read() const { 87 return PIPE_MAX_SHADER_RESOURCES; 88} 89 90size_t 91_cl_device_id::max_images_write() const { 92 return PIPE_MAX_SHADER_RESOURCES; 93} 94 95cl_uint 96_cl_device_id::max_image_levels_2d() const { 97 return pipe->get_param(pipe, PIPE_CAP_MAX_TEXTURE_2D_LEVELS); 98} 99 100cl_uint 101_cl_device_id::max_image_levels_3d() const { 102 return pipe->get_param(pipe, PIPE_CAP_MAX_TEXTURE_3D_LEVELS); 103} 104 105cl_uint 106_cl_device_id::max_samplers() const { 107 return pipe->get_shader_param(pipe, PIPE_SHADER_COMPUTE, 108 PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS); 109} 110 111cl_ulong 112_cl_device_id::max_mem_global() const { 113 return get_compute_param<uint64_t>(pipe, 114 PIPE_COMPUTE_CAP_MAX_GLOBAL_SIZE)[0]; 115} 116 117cl_ulong 118_cl_device_id::max_mem_local() const { 119 return get_compute_param<uint64_t>(pipe, 120 PIPE_COMPUTE_CAP_MAX_LOCAL_SIZE)[0]; 121} 122 123cl_ulong 124_cl_device_id::max_mem_input() const { 125 return get_compute_param<uint64_t>(pipe, 126 PIPE_COMPUTE_CAP_MAX_INPUT_SIZE)[0]; 127} 128 129cl_ulong 130_cl_device_id::max_const_buffer_size() const { 131 return pipe->get_shader_param(pipe, PIPE_SHADER_COMPUTE, 132 PIPE_SHADER_CAP_MAX_CONSTS) * 16; 133} 134 135cl_uint 136_cl_device_id::max_const_buffers() const { 137 return pipe->get_shader_param(pipe, PIPE_SHADER_COMPUTE, 138 PIPE_SHADER_CAP_MAX_CONST_BUFFERS); 139} 140 141size_t 142_cl_device_id::max_threads_per_block() const { 143 return get_compute_param<uint64_t>( 144 pipe, PIPE_COMPUTE_CAP_MAX_THREADS_PER_BLOCK)[0]; 145} 146 147std::vector<size_t> 148_cl_device_id::max_block_size() const { 149 auto v = get_compute_param<uint64_t>(pipe, PIPE_COMPUTE_CAP_MAX_BLOCK_SIZE); 150 return { v.begin(), v.end() }; 151} 152 153std::string 154_cl_device_id::device_name() const { 155 return pipe->get_name(pipe); 156} 157 158std::string 159_cl_device_id::vendor_name() const { 160 return pipe->get_vendor(pipe); 161} 162 163enum pipe_shader_ir 164_cl_device_id::ir_format() const { 165 return (enum pipe_shader_ir) pipe->get_shader_param(pipe, 166 PIPE_SHADER_COMPUTE, 167 PIPE_SHADER_CAP_PREFERRED_IR); 168} 169 170std::string 171_cl_device_id::ir_target() const { 172 std::vector<char> target = get_compute_param<char>(pipe, 173 PIPE_COMPUTE_CAP_IR_TARGET); 174 return { target.data() }; 175} 176 177device_registry::device_registry() { 178 int n = pipe_loader_probe(NULL, 0); 179 std::vector<pipe_loader_device *> ldevs(n); 180 181 pipe_loader_probe(&ldevs.front(), n); 182 183 for (pipe_loader_device *ldev : ldevs) { 184 try { 185 devs.emplace_back(ldev); 186 } catch (error &) {} 187 } 188} 189