/*
 * Copyright (c) 2018, Intel Corporation
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 */

#include <string>
#include "runtime/helpers/hw_info.h"
#include "runtime/platform/extensions.h"

namespace OCLRT {

const char *deviceExtensionsList = "cl_khr_3d_image_writes "
                                   "cl_khr_byte_addressable_store "
                                   "cl_khr_fp16 "
                                   "cl_khr_depth_images "
                                   "cl_khr_global_int32_base_atomics "
                                   "cl_khr_global_int32_extended_atomics "
                                   "cl_khr_icd "
                                   "cl_khr_image2d_from_buffer "
                                   "cl_khr_local_int32_base_atomics "
                                   "cl_khr_local_int32_extended_atomics "
                                   "cl_intel_subgroups "
                                   "cl_intel_required_subgroup_size "
                                   "cl_intel_subgroups_short "
                                   "cl_khr_spir "
                                   "cl_intel_accelerator "
                                   "cl_intel_media_block_io "
                                   "cl_intel_driver_diagnostics "
                                   "cl_intel_device_side_avc_motion_estimation "
                                   "cl_khr_priority_hints "
                                   "cl_khr_throttle_hints "
                                   "cl_khr_create_command_queue ";

std::string getExtensionsList(const HardwareInfo &hwInfo) {
    std::string allExtensionsList;
    allExtensionsList.reserve(1000);

    allExtensionsList.append(deviceExtensionsList);

    if (hwInfo.capabilityTable.clVersionSupport >= 21) {
        allExtensionsList += "cl_khr_subgroups ";
        allExtensionsList += "cl_khr_il_program ";
    }

    if (hwInfo.capabilityTable.ftrSupportsFP64) {
        allExtensionsList += "cl_khr_fp64 ";
    }

    return allExtensionsList;
}

std::string removeLastSpace(std::string &processedString) {
    if (processedString.size() > 0) {
        if (*processedString.rbegin() == ' ') {
            processedString.pop_back();
        }
    }
    return processedString;
}

std::string convertEnabledExtensionsToCompilerInternalOptions(const char *enabledExtensions) {
    std::string extensionsList = enabledExtensions;
    extensionsList.reserve(1000);
    removeLastSpace(extensionsList);
    std::string::size_type pos = 0;
    while ((pos = extensionsList.find(" ", pos)) != std::string::npos) {
        extensionsList.replace(pos, 1, ",+");
    }
    extensionsList = " -cl-ext=-all,+" + extensionsList + " ";
    return extensionsList;
}

} // namespace OCLRT