| // |
| // Copyright (c) 2017-2019 The Khronos Group Inc. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| // |
| |
| #include <sstream> |
| #include <stdexcept> |
| #include <vector> |
| |
| #include "deviceInfo.h" |
| #include "errorHelpers.h" |
| #include "typeWrappers.h" |
| |
| /* Helper to return a string containing device information for the specified |
| * device info parameter. */ |
| std::string get_device_info_string(cl_device_id device, |
| cl_device_info param_name) |
| { |
| size_t size = 0; |
| int err; |
| |
| if ((err = clGetDeviceInfo(device, param_name, 0, NULL, &size)) |
| != CL_SUCCESS |
| || size == 0) |
| { |
| throw std::runtime_error("clGetDeviceInfo failed\n"); |
| } |
| |
| std::vector<char> info(size); |
| |
| if ((err = clGetDeviceInfo(device, param_name, size, info.data(), NULL)) |
| != CL_SUCCESS) |
| { |
| throw std::runtime_error("clGetDeviceInfo failed\n"); |
| } |
| |
| /* The returned string does not include the null terminator. */ |
| return std::string(info.data(), size - 1); |
| } |
| |
| /* Determines if an extension is supported by a device. */ |
| int is_extension_available(cl_device_id device, const char *extensionName) |
| { |
| std::string extString = get_device_extensions_string(device); |
| std::istringstream ss(extString); |
| while (ss) |
| { |
| std::string found; |
| ss >> found; |
| if (found == extensionName) return true; |
| } |
| return false; |
| } |
| |
| /* Returns a string containing the supported extensions list for a device. */ |
| std::string get_device_extensions_string(cl_device_id device) |
| { |
| return get_device_info_string(device, CL_DEVICE_EXTENSIONS); |
| } |
| |
| /* Returns a string containing the supported IL version(s) for a device. */ |
| std::string get_device_il_version_string(cl_device_id device) |
| { |
| return get_device_info_string(device, CL_DEVICE_IL_VERSION); |
| } |
| |
| /* Returns a string containing the supported OpenCL version for a device. */ |
| std::string get_device_version_string(cl_device_id device) |
| { |
| return get_device_info_string(device, CL_DEVICE_VERSION); |
| } |
| |
| /* Returns a string containing the device name. */ |
| std::string get_device_name(cl_device_id device) |
| { |
| return get_device_info_string(device, CL_DEVICE_NAME); |
| } |