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 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(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 59 cl_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 72 cl_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 85 size_t 86 _cl_device_id::max_images_read() const { 87 return PIPE_MAX_SHADER_RESOURCES; 88 } 89 90 size_t 91 _cl_device_id::max_images_write() const { 92 return PIPE_MAX_SHADER_RESOURCES; 93 } 94 95 cl_uint 96 _cl_device_id::max_image_levels_2d() const { 97 return pipe->get_param(pipe, PIPE_CAP_MAX_TEXTURE_2D_LEVELS); 98 } 99 100 cl_uint 101 _cl_device_id::max_image_levels_3d() const { 102 return pipe->get_param(pipe, PIPE_CAP_MAX_TEXTURE_3D_LEVELS); 103 } 104 105 cl_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 } 110 111 cl_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 } 116 117 cl_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 } 122 123 cl_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 } 128 129 cl_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 } 134 135 cl_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 } 140 141 size_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 } 146 147 std::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 } 152 153 std::string 154 _cl_device_id::device_name() const { 155 return pipe->get_name(pipe); 156 } 157 158 std::string 159 _cl_device_id::vendor_name() const { 160 return pipe->get_vendor(pipe); 161 } 162 163 enum 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 } 169 170 std::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 } 176 177 device_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
