78 lines
2.5 KiB
C++
78 lines
2.5 KiB
C++
/*
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* Modern effects for a modern Streamer
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* Copyright (C) 2018 Michael Fabian Dirks
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#pragma once
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#include <type_traits>
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template<typename Enum>
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struct enable_bitmask_operators {
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static const bool enable = false;
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};
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template<typename Enum>
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typename std::enable_if<enable_bitmask_operators<Enum>::enable, Enum>::type operator|(Enum lhs, Enum rhs)
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{
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using underlying = typename std::underlying_type<Enum>::type;
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return static_cast<Enum>(static_cast<underlying>(lhs) | static_cast<underlying>(rhs));
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}
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template<typename Enum>
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typename std::enable_if<enable_bitmask_operators<Enum>::enable, Enum>::type operator&(Enum lhs, Enum rhs)
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{
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using underlying = typename std::underlying_type<Enum>::type;
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return static_cast<Enum>(static_cast<underlying>(lhs) & static_cast<underlying>(rhs));
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}
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#define ENABLE_BITMASK_OPERATORS(x) \
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template<> \
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struct enable_bitmask_operators<x> { \
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static const bool enable = true; \
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};
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#define vstr(s) dstr(s)
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#define dstr(s) #s
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#ifdef __cplusplus
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#define INITIALIZER(f) \
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static void f(void); \
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struct f##_t_ { \
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f##_t_(void) \
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{ \
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f(); \
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} \
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}; \
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static f##_t_ f##_; \
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static void f(void)
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#elif defined(_MSC_VER)
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#pragma section(".CRT$XCU", read)
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#define INITIALIZER2_(f, p) \
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static void f(void); \
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__declspec(allocate(".CRT$XCU")) void (*f##_)(void) = f; \
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__pragma(comment(linker, "/include:" p #f "_")) static void f(void)
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#ifdef _WIN64
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#define INITIALIZER(f) INITIALIZER2_(f, "")
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#else
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#define INITIALIZER(f) INITIALIZER2_(f, "_")
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#endif
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#else
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#define INITIALIZER(f) \
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static void f(void) __attribute__((constructor)); \
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static void f(void)
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#endif
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