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f18532c8c4
new pattern to load gl and wgl functions from dll Change-Id: I71d7510a210462c09d50e03ce8a444770c017b8d
43 lines
896 B
C++
43 lines
896 B
C++
/*
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* Copyright (C) 2017-2018 Intel Corporation
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*
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* SPDX-License-Identifier: MIT
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*
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*/
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#pragma once
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#include <string>
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#include <type_traits>
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namespace OCLRT {
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struct ConvertibleProcAddr {
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template <typename T>
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operator T *() const {
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static_assert(std::is_function<T>::value, "Cannot convert to non-function and non-void* type");
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return reinterpret_cast<T *>(ptr);
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}
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operator void *() const {
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return ptr;
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}
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void *ptr = nullptr;
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};
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class OsLibrary {
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protected:
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OsLibrary() = default;
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public:
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virtual ~OsLibrary() = default;
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static OsLibrary *load(const std::string &name);
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ConvertibleProcAddr operator[](const std::string &name) {
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return ConvertibleProcAddr{getProcAddress(name)};
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}
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virtual void *getProcAddress(const std::string &procName) = 0;
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virtual bool isLoaded() = 0;
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};
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} // namespace OCLRT
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