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# Copyright 2020-2022 The spirv2clc authors. | ||
# | ||
# 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. | ||
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if (APPLE) | ||
set(CMAKE_SHARED_LINKER_FLAGS "-undefined dynamic_lookup") | ||
endif() | ||
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add_library(layerloadicd SHARED icd.cpp) | ||
target_compile_features(layerloadicd PRIVATE cxx_std_17) | ||
target_include_directories(layerloadicd PRIVATE ${OPENCL_HEADERS_DIR}) | ||
target_link_libraries(layerloadicd ${CMAKE_DL_LIBS}) | ||
target_compile_definitions(layerloadicd PRIVATE CL_TARGET_OPENCL_VERSION=300) |
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#include "icd.hpp" | ||
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#include <string> | ||
#include <algorithm> | ||
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CL_API_ENTRY cl_int CL_API_CALL | ||
clGetPlatformInfo_wrap( | ||
cl_platform_id platform, | ||
cl_platform_info param_name, | ||
size_t param_value_size, | ||
void *param_value, | ||
size_t *param_value_size_ret) | ||
{ | ||
return platform->clGetPlatformInfo( | ||
param_name, | ||
param_value_size, | ||
param_value, | ||
param_value_size_ret | ||
); | ||
} | ||
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_cl_platform_id::_cl_platform_id(cl_version ver) | ||
: numeric_version{ver} | ||
, version{ std::string{"OpenCL "} + std::to_string(CL_VERSION_MAJOR(ver)) + "." + std::to_string(CL_VERSION_MINOR(ver)) + " Mock" } | ||
, vendor{ "spirv2clc" } | ||
, profile{ "FULL_PROFILE" } | ||
, name{ "SPIRV2CLC Layer Test ICD" } | ||
, extensions{ "cl_khr_icd" } | ||
, suffix{ "spv2clc" } | ||
{ | ||
init_dispatch(); | ||
} | ||
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void _cl_platform_id::init_dispatch() | ||
{ | ||
dispatch.clGetPlatformInfo = clGetPlatformInfo_wrap; | ||
} | ||
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cl_int _cl_platform_id::clGetPlatformInfo( | ||
cl_platform_info param_name, | ||
size_t param_value_size, | ||
void * param_value, | ||
size_t * param_value_size_ret) | ||
{ | ||
if (param_value_size == 0 && param_value != NULL) | ||
return CL_INVALID_VALUE; | ||
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std::string_view result; | ||
switch(param_name) { | ||
case CL_PLATFORM_PROFILE: | ||
result = profile; | ||
break; | ||
case CL_PLATFORM_VERSION: | ||
result = version; | ||
break; | ||
case CL_PLATFORM_NAME: | ||
result = name; | ||
break; | ||
case CL_PLATFORM_VENDOR: | ||
result = vendor; | ||
break; | ||
case CL_PLATFORM_EXTENSIONS: | ||
result = extensions; | ||
break; | ||
case CL_PLATFORM_ICD_SUFFIX_KHR: | ||
result = suffix; | ||
break; | ||
default: | ||
return CL_INVALID_VALUE; | ||
} | ||
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if (param_value_size_ret) | ||
*param_value_size_ret = result.length()+1; | ||
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if (param_value_size && param_value_size < result.length()+1) | ||
return CL_INVALID_VALUE; | ||
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if (param_value) | ||
{ | ||
std::copy(result.begin(), result.end(), static_cast<char*>(param_value)); | ||
static_cast<char*>(param_value)[result.length()] = '\0'; | ||
} | ||
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return CL_SUCCESS; | ||
} | ||
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CL_API_ENTRY cl_int CL_API_CALL | ||
clIcdGetPlatformIDsKHR(cl_uint num_entries, | ||
cl_platform_id* platforms, | ||
cl_uint* num_platforms) | ||
{ | ||
static constexpr std::initializer_list<cl_version> versions{ | ||
CL_MAKE_VERSION(1, 2, 0), | ||
CL_MAKE_VERSION(2, 1, 0), | ||
CL_MAKE_VERSION(3, 0, 0) | ||
}; | ||
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if (spirv2clc::platforms.empty()) | ||
for(cl_version version : versions) | ||
spirv2clc::platforms.emplace_back(version); | ||
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if (num_platforms) | ||
*num_platforms = static_cast<cl_uint>(spirv2clc::platforms.size()); | ||
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if ((platforms && num_entries > spirv2clc::platforms.size()) || | ||
(platforms && num_entries <= 0) || | ||
(!platforms && num_entries >= 1)) | ||
{ | ||
return CL_INVALID_VALUE; | ||
} | ||
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if (platforms && num_entries == spirv2clc::platforms.size()) | ||
std::transform( | ||
spirv2clc::platforms.begin(), | ||
spirv2clc::platforms.end(), | ||
platforms, | ||
[](_cl_platform_id& plat){ return &plat; } | ||
); | ||
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return CL_SUCCESS; | ||
} |
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#pragma once | ||
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#if defined(_WIN32) | ||
#define NOMINMAX | ||
#endif | ||
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#include <CL/cl_icd.h> // cl_icd_dispatch | ||
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#include <memory> // std::unique_ptr | ||
#include <vector> | ||
#include <string> // std::string | ||
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struct _cl_platform_id { | ||
cl_icd_dispatch dispatch; | ||
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cl_version numeric_version; | ||
std::string profile; | ||
std::string version; | ||
std::string name; | ||
std::string vendor; | ||
std::string extensions; | ||
std::string suffix; | ||
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_cl_platform_id() = default; | ||
_cl_platform_id(cl_version ver); | ||
_cl_platform_id(const _cl_platform_id&) = delete; | ||
_cl_platform_id(_cl_platform_id&&) = default; | ||
~_cl_platform_id() = default; | ||
_cl_platform_id &operator=(const _cl_platform_id&) = delete; | ||
_cl_platform_id &operator=(_cl_platform_id &&) = default; | ||
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void init_dispatch(void); | ||
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cl_int clGetPlatformInfo( | ||
cl_platform_info param_name, | ||
size_t param_value_size, | ||
void * param_value, | ||
size_t * param_value_size_ret); | ||
}; | ||
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namespace spirv2clc | ||
{ | ||
inline std::vector<_cl_platform_id> platforms; | ||
} |