obs-StreamFX/source/utility.hpp
Michael Fabian 'Xaymar' Dirks aac52f736d project: Clang support
Lots and lots of errors and warnings fixed with this single commit, in the name of clang support.

Related #60, #47.
2019-04-19 09:42:15 +02:00

77 lines
2.5 KiB
C++

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