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