mirror of
https://github.com/SFML/SFML.git
synced 2024-11-28 14:21:04 +08:00
Update SFML Time classes to C++17
Ensure Clock uses a monotonic clock Statically assert against low precision clocks Allow suspend-aware clock for Android Add descriptive documentation to sf::Clock
This commit is contained in:
Pawel Paruzel
Vittorio Romeo
parent
e9e353a7b2
commit
dfff93fe04
@ -105,6 +105,11 @@ endif()
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# Android options
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if(SFML_OS_ANDROID)
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sfml_set_option(SFML_ANDROID_USE_SUSPEND_AWARE_CLOCK FALSE BOOL "TRUE to use an sf::Clock implementation which takes system sleep time into account (keeps advancing during suspension), FALSE to default to another available monotonic clock")
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if (SFML_ANDROID_USE_SUSPEND_AWARE_CLOCK)
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add_definitions(-DSFML_ANDROID_USE_SUSPEND_AWARE_CLOCK)
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endif()
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# avoid missing libraries when building SFML for Android with NDK r19c and later
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set(CMAKE_FIND_ROOT_PATH "${PROJECT_SOURCE_DIR};${CMAKE_FIND_ROOT_PATH}")
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@ -30,10 +30,56 @@
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////////////////////////////////////////////////////////////
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#include <SFML/System/Export.hpp>
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#include <SFML/System/Time.hpp>
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#include <chrono>
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#include <ratio>
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#include <type_traits>
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#ifdef SFML_SYSTEM_ANDROID
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#include <SFML/System/SuspendAwareClock.hpp>
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#endif
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namespace sf
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{
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namespace priv
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{
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////////////////////////////////////////////////////////////
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/// \brief Chooses a monotonic clock of highest resolution
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///
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/// The high_resolution_clock is usually an alias for other
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/// clocks: steady_clock or system_clock, whichever has a
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/// higher precision.
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///
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/// sf::Clock, however, is aimed towards monotonic time
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/// measurements and so system_clock could never be a choice
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/// as its subject to discontinuous jumps in the system time
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/// (e.g., if the system administrator manually changes
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/// the clock), and by the incremental adjustments performed
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/// by `adjtime` and Network Time Protocol. On the other
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/// hand, monotonic clocks are unaffected by this behavior.
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///
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/// Note: Linux implementation of a monotonic clock that
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/// takes sleep time into account is represented by
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/// CLOCK_BOOTTIME. Android devices can define the macro:
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/// SFML_ANDROID_USE_SUSPEND_AWARE_CLOCK to use a separate
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/// implementation of that clock, instead.
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///
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/// For more information on Linux clocks visit:
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/// https://linux.die.net/man/2/clock_gettime
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///
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////////////////////////////////////////////////////////////
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#if defined(SFML_SYSTEM_ANDROID) && defined(SFML_ANDROID_USE_SUSPEND_AWARE_CLOCK)
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using MostSuitableClock = SuspendAwareClock;
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#else
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using MostSuitableClock = std::conditional_t<
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std::chrono::high_resolution_clock::is_steady,
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std::chrono::high_resolution_clock,
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std::chrono::steady_clock>;
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#endif
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} // namespace priv
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////////////////////////////////////////////////////////////
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/// \brief Utility class that measures the elapsed time
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///
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@ -74,11 +120,28 @@ public:
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Time restart();
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private:
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using ClockImpl = priv::MostSuitableClock;
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static_assert(ClockImpl::is_steady,
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"Provided implementation is not a monotonic clock");
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static_assert(std::ratio_less_equal<ClockImpl::period, std::micro>::value,
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"Clock resolution is too low. Expecting at least a microsecond precision");
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////////////////////////////////////////////////////////////
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/// \brief Convert clock duration to Time
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///
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/// This function acts as a utility for converting clock
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/// duration type instance into sf::Time
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///
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/// \return Time instance
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///
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////////////////////////////////////////////////////////////
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static Time durationToTime(ClockImpl::duration duration);
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////////////////////////////////////////////////////////////
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// Member data
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////////////////////////////////////////////////////////////
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Time m_startTime; //!< Time of last reset, in microseconds
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ClockImpl::time_point m_startTime; //!< Time of last reset
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};
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} // namespace sf
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@ -22,40 +22,59 @@
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//
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////////////////////////////////////////////////////////////
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#ifndef SFML_CLOCKIMPLWIN32_HPP
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#define SFML_CLOCKIMPLWIN32_HPP
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#ifndef SFML_SUSPENDAWARECLOCK_HPP
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#define SFML_SUSPENDAWARECLOCK_HPP
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////////////////////////////////////////////////////////////
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// Headers
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////////////////////////////////////////////////////////////
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#include <SFML/Config.hpp>
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#include <SFML/System/Time.hpp>
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#include <SFML/System/Export.hpp>
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#include <chrono>
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#include <type_traits>
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namespace sf
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{
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namespace priv
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{
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////////////////////////////////////////////////////////////
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/// \brief Windows implementation of sf::Clock
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/// \brief Android, chrono-compatible, suspend-aware clock
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///
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/// Linux steady clock is represented by CLOCK_MONOTONIC.
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/// However, this implementation does not work properly for
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/// long-running clocks that work in the background when the
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/// system is suspended.
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///
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/// SuspendAwareClock uses CLOCK_BOOTTIME which is identical
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/// to CLOCK_MONOTONIC, except that it also includes any time
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/// that the system is suspended.
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///
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/// Note: In most cases, CLOCK_MONOTONIC is a better choice.
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/// Make sure this implementation is required for your use case.
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///
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////////////////////////////////////////////////////////////
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class ClockImpl
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class SFML_SYSTEM_API SuspendAwareClock
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{
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public:
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////////////////////////////////////////////////////////////
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/// \brief Type traits and static members
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///
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/// These type traits and static members meet the requirements
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/// of a Clock concept in the C++ Standard. More specifically,
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/// TrivialClock requirements are met. Thus, naming convention
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/// has been kept consistent to allow for extended use e.g.
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/// https://en.cppreference.com/w/cpp/chrono/is_clock
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///
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////////////////////////////////////////////////////////////
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using duration = std::chrono::nanoseconds;
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using rep = duration::rep;
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using period = duration::period;
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using time_point = std::chrono::time_point<SuspendAwareClock, duration>;
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////////////////////////////////////////////////////////////
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/// \brief Get the current time
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///
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/// \return Current time
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///
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////////////////////////////////////////////////////////////
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static Time getCurrentTime();
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static constexpr bool is_steady = true;
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static time_point now() noexcept;
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};
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} // namespace priv
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} // namespace sf
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#endif // SFML_CLOCKIMPLWIN32_HPP
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#endif // SFML_SUSPENDAWARECLOCK_HPP
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@ -22,31 +22,24 @@
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//
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////////////////////////////////////////////////////////////
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#ifndef SFML_SLEEPIMPLUNIX_HPP
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#define SFML_SLEEPIMPLUNIX_HPP
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////////////////////////////////////////////////////////////
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// Headers
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////////////////////////////////////////////////////////////
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#include <SFML/Config.hpp>
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#include <SFML/System/Time.hpp>
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#include <SFML/System/SuspendAwareClock.hpp>
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#include <ctime>
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namespace sf
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{
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namespace priv
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{
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////////////////////////////////////////////////////////////
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/// \brief Unix implementation of sf::Sleep
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///
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/// \param time Time to sleep
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///
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////////////////////////////////////////////////////////////
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void sleepImpl(Time time);
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} // namespace priv
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SuspendAwareClock::time_point SuspendAwareClock::now() noexcept
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{
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::timespec ts;
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#ifdef CLOCK_BOOTTIME
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clock_gettime(CLOCK_BOOTTIME, &ts);
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#else
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#error "CLOCK_BOOTTIME is essential for SuspendAwareClock to work"
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#endif // CLOCK_BOOTTIME
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return time_point(std::chrono::seconds(ts.tv_sec) + std::chrono::nanoseconds(ts.tv_nsec));
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}
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} // namespace sf
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#endif // SFML_SLEEPIMPLUNIX_HPP
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@ -29,38 +29,22 @@ set(SRC
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${INCROOT}/FileInputStream.hpp
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${SRCROOT}/MemoryInputStream.cpp
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${INCROOT}/MemoryInputStream.hpp
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${INCROOT}/SuspendAwareClock.hpp
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)
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source_group("" FILES ${SRC})
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# add platform specific sources
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if(SFML_OS_WINDOWS)
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set(PLATFORM_SRC
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${SRCROOT}/Win32/ClockImpl.cpp
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${SRCROOT}/Win32/ClockImpl.hpp
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${SRCROOT}/Win32/SleepImpl.cpp
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${SRCROOT}/Win32/SleepImpl.hpp
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if(SFML_OS_ANDROID)
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set(PLATFORM_SRC ${PLATFORM_SRC}
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${SRCROOT}/Android/Activity.hpp
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${SRCROOT}/Android/Activity.cpp
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${SRCROOT}/Android/NativeActivity.cpp
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${SRCROOT}/Android/ResourceStream.cpp
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${SRCROOT}/Android/ResourceStream.cpp
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${SRCROOT}/Android/SuspendAwareClock.cpp
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)
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source_group("windows" FILES ${PLATFORM_SRC})
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else()
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set(PLATFORM_SRC
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${SRCROOT}/Unix/ClockImpl.cpp
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${SRCROOT}/Unix/ClockImpl.hpp
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${SRCROOT}/Unix/SleepImpl.cpp
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${SRCROOT}/Unix/SleepImpl.hpp
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)
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if(SFML_OS_ANDROID)
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set(PLATFORM_SRC ${PLATFORM_SRC}
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${SRCROOT}/Android/Activity.hpp
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${SRCROOT}/Android/Activity.cpp
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${SRCROOT}/Android/NativeActivity.cpp
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${SRCROOT}/Android/ResourceStream.cpp
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${SRCROOT}/Android/ResourceStream.cpp
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)
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endif()
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source_group("unix" FILES ${PLATFORM_SRC})
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endif()
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source_group("unix" FILES ${PLATFORM_SRC})
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# define the sfml-system target
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sfml_add_library(sfml-system
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@ -27,18 +27,12 @@
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////////////////////////////////////////////////////////////
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#include <SFML/System/Clock.hpp>
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#if defined(SFML_SYSTEM_WINDOWS)
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#include <SFML/System/Win32/ClockImpl.hpp>
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#else
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#include <SFML/System/Unix/ClockImpl.hpp>
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#endif
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namespace sf
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{
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////////////////////////////////////////////////////////////
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Clock::Clock() :
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m_startTime(priv::ClockImpl::getCurrentTime())
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m_startTime(ClockImpl::now())
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{
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}
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@ -46,18 +40,27 @@ m_startTime(priv::ClockImpl::getCurrentTime())
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////////////////////////////////////////////////////////////
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Time Clock::getElapsedTime() const
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{
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return priv::ClockImpl::getCurrentTime() - m_startTime;
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return durationToTime(ClockImpl::now() - m_startTime);
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}
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////////////////////////////////////////////////////////////
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Time Clock::restart()
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{
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Time now = priv::ClockImpl::getCurrentTime();
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Time elapsed = now - m_startTime;
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const ClockImpl::time_point now = ClockImpl::now();
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Time elapsed = durationToTime(now - m_startTime);
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m_startTime = now;
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return elapsed;
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}
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////////////////////////////////////////////////////////////
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Time Clock::durationToTime(Clock::ClockImpl::duration duration)
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{
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using std::chrono::duration_cast;
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using std::chrono::microseconds;
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return sf::microseconds(duration_cast<microseconds>(duration).count());
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}
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} // namespace sf
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@ -26,12 +26,8 @@
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// Headers
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////////////////////////////////////////////////////////////
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#include <SFML/System/Sleep.hpp>
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#if defined(SFML_SYSTEM_WINDOWS)
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#include <SFML/System/Win32/SleepImpl.hpp>
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#else
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#include <SFML/System/Unix/SleepImpl.hpp>
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#endif
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#include <chrono>
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#include <thread>
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namespace sf
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@ -39,8 +35,8 @@ namespace sf
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////////////////////////////////////////////////////////////
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void sleep(Time duration)
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{
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if (duration >= Time::Zero)
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priv::sleepImpl(duration);
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const auto time = std::chrono::duration<Int64, std::micro>(duration.asMicroseconds());
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std::this_thread::sleep_for(time);
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}
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} // namespace sf
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@ -1,64 +0,0 @@
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////////////////////////////////////////////////////////////
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//
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// SFML - Simple and Fast Multimedia Library
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// Copyright (C) 2007-2021 Laurent Gomila (laurent@sfml-dev.org)
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//
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// This software is provided 'as-is', without any express or implied warranty.
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// In no event will the authors be held liable for any damages arising from the use of this software.
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//
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// Permission is granted to anyone to use this software for any purpose,
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// including commercial applications, and to alter it and redistribute it freely,
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// subject to the following restrictions:
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//
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// 1. The origin of this software must not be misrepresented;
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// you must not claim that you wrote the original software.
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// If you use this software in a product, an acknowledgment
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// in the product documentation would be appreciated but is not required.
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//
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// 2. Altered source versions must be plainly marked as such,
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// and must not be misrepresented as being the original software.
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//
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// 3. This notice may not be removed or altered from any source distribution.
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//
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////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////
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// Headers
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////////////////////////////////////////////////////////////
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#include <SFML/System/Unix/ClockImpl.hpp>
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#if defined(SFML_SYSTEM_MACOS) || defined(SFML_SYSTEM_IOS)
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#include <mach/mach_time.h>
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#else
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#include <ctime>
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#endif
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namespace sf
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{
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namespace priv
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{
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////////////////////////////////////////////////////////////
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Time ClockImpl::getCurrentTime()
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{
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#if defined(SFML_SYSTEM_MACOS) || defined(SFML_SYSTEM_IOS)
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// Mac OS X specific implementation (it doesn't support clock_gettime)
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static mach_timebase_info_data_t frequency = {0, 0};
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if (frequency.denom == 0)
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mach_timebase_info(&frequency);
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Uint64 nanoseconds = mach_absolute_time() * frequency.numer / frequency.denom;
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return sf::microseconds(nanoseconds / 1000);
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#else
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// POSIX implementation
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timespec time;
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clock_gettime(CLOCK_MONOTONIC, &time);
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return sf::microseconds(time.tv_sec * 1000000 + time.tv_nsec / 1000);
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#endif
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}
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} // namespace priv
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} // namespace sf
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@ -1,61 +0,0 @@
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////////////////////////////////////////////////////////////
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//
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// SFML - Simple and Fast Multimedia Library
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// Copyright (C) 2007-2021 Laurent Gomila (laurent@sfml-dev.org)
|
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//
|
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// This software is provided 'as-is', without any express or implied warranty.
|
||||
// In no event will the authors be held liable for any damages arising from the use of this software.
|
||||
//
|
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// Permission is granted to anyone to use this software for any purpose,
|
||||
// including commercial applications, and to alter it and redistribute it freely,
|
||||
// subject to the following restrictions:
|
||||
//
|
||||
// 1. The origin of this software must not be misrepresented;
|
||||
// you must not claim that you wrote the original software.
|
||||
// If you use this software in a product, an acknowledgment
|
||||
// in the product documentation would be appreciated but is not required.
|
||||
//
|
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// 2. Altered source versions must be plainly marked as such,
|
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// and must not be misrepresented as being the original software.
|
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//
|
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// 3. This notice may not be removed or altered from any source distribution.
|
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//
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////////////////////////////////////////////////////////////
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#ifndef SFML_CLOCKIMPLUNIX_HPP
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#define SFML_CLOCKIMPLUNIX_HPP
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////////////////////////////////////////////////////////////
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// Headers
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////////////////////////////////////////////////////////////
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#include <SFML/Config.hpp>
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#include <SFML/System/Time.hpp>
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namespace sf
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{
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namespace priv
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{
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////////////////////////////////////////////////////////////
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/// \brief Unix implementation of sf::Clock
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///
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////////////////////////////////////////////////////////////
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class ClockImpl
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{
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public:
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////////////////////////////////////////////////////////////
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/// \brief Get the current time
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///
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/// \return Current time
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///
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////////////////////////////////////////////////////////////
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static Time getCurrentTime();
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};
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} // namespace priv
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} // namespace sf
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#endif // SFML_CLOCKIMPLUNIX_HPP
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@ -1,59 +0,0 @@
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////////////////////////////////////////////////////////////
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//
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// SFML - Simple and Fast Multimedia Library
|
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// Copyright (C) 2007-2021 Laurent Gomila (laurent@sfml-dev.org)
|
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//
|
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// This software is provided 'as-is', without any express or implied warranty.
|
||||
// In no event will the authors be held liable for any damages arising from the use of this software.
|
||||
//
|
||||
// Permission is granted to anyone to use this software for any purpose,
|
||||
// including commercial applications, and to alter it and redistribute it freely,
|
||||
// subject to the following restrictions:
|
||||
//
|
||||
// 1. The origin of this software must not be misrepresented;
|
||||
// you must not claim that you wrote the original software.
|
||||
// If you use this software in a product, an acknowledgment
|
||||
// in the product documentation would be appreciated but is not required.
|
||||
//
|
||||
// 2. Altered source versions must be plainly marked as such,
|
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// and must not be misrepresented as being the original software.
|
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//
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// 3. This notice may not be removed or altered from any source distribution.
|
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//
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////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////
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// Headers
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////////////////////////////////////////////////////////////
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#include <SFML/System/Unix/SleepImpl.hpp>
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||||
#include <cerrno>
|
||||
#include <ctime>
|
||||
|
||||
|
||||
namespace sf
|
||||
{
|
||||
namespace priv
|
||||
{
|
||||
////////////////////////////////////////////////////////////
|
||||
void sleepImpl(Time time)
|
||||
{
|
||||
Int64 usecs = time.asMicroseconds();
|
||||
|
||||
// Construct the time to wait
|
||||
timespec ti;
|
||||
ti.tv_nsec = static_cast<long>((usecs % 1000000) * 1000);
|
||||
ti.tv_sec = static_cast<time_t>(usecs / 1000000);
|
||||
|
||||
// Wait...
|
||||
// If nanosleep returns -1, we check errno. If it is EINTR
|
||||
// nanosleep was interrupted and has set ti to the remaining
|
||||
// duration. We continue sleeping until the complete duration
|
||||
// has passed. We stop sleeping if it was due to an error.
|
||||
while ((nanosleep(&ti, &ti) == -1) && (errno == EINTR))
|
||||
{
|
||||
}
|
||||
}
|
||||
|
||||
} // namespace priv
|
||||
|
||||
} // namespace sf
|
||||
@ -1,87 +0,0 @@
|
||||
////////////////////////////////////////////////////////////
|
||||
//
|
||||
// SFML - Simple and Fast Multimedia Library
|
||||
// Copyright (C) 2007-2021 Laurent Gomila (laurent@sfml-dev.org)
|
||||
//
|
||||
// This software is provided 'as-is', without any express or implied warranty.
|
||||
// In no event will the authors be held liable for any damages arising from the use of this software.
|
||||
//
|
||||
// Permission is granted to anyone to use this software for any purpose,
|
||||
// including commercial applications, and to alter it and redistribute it freely,
|
||||
// subject to the following restrictions:
|
||||
//
|
||||
// 1. The origin of this software must not be misrepresented;
|
||||
// you must not claim that you wrote the original software.
|
||||
// If you use this software in a product, an acknowledgment
|
||||
// in the product documentation would be appreciated but is not required.
|
||||
//
|
||||
// 2. Altered source versions must be plainly marked as such,
|
||||
// and must not be misrepresented as being the original software.
|
||||
//
|
||||
// 3. This notice may not be removed or altered from any source distribution.
|
||||
//
|
||||
////////////////////////////////////////////////////////////
|
||||
|
||||
////////////////////////////////////////////////////////////
|
||||
// Headers
|
||||
////////////////////////////////////////////////////////////
|
||||
#include <SFML/System/Win32/ClockImpl.hpp>
|
||||
#include <mutex>
|
||||
#include <windows.h>
|
||||
|
||||
|
||||
namespace
|
||||
{
|
||||
LARGE_INTEGER getFrequency()
|
||||
{
|
||||
LARGE_INTEGER frequency;
|
||||
QueryPerformanceFrequency(&frequency);
|
||||
return frequency;
|
||||
}
|
||||
|
||||
bool isWindowsXpOrOlder()
|
||||
{
|
||||
// Windows XP was the last 5.x version of Windows
|
||||
return static_cast<DWORD>(LOBYTE(LOWORD(GetVersion()))) < 6;
|
||||
}
|
||||
}
|
||||
|
||||
namespace sf
|
||||
{
|
||||
namespace priv
|
||||
{
|
||||
////////////////////////////////////////////////////////////
|
||||
Time ClockImpl::getCurrentTime()
|
||||
{
|
||||
// Calculate inverse of frequency multiplied by 1000000 to prevent overflow in final calculation
|
||||
// Frequency is constant across the program lifetime
|
||||
static double inverse = 1000000.0 / static_cast<double>(getFrequency().QuadPart);
|
||||
|
||||
// Detect if we are on Windows XP or older
|
||||
static bool oldWindows = isWindowsXpOrOlder();
|
||||
|
||||
LARGE_INTEGER time;
|
||||
|
||||
if (oldWindows)
|
||||
{
|
||||
static std::recursive_mutex oldWindowsMutex;
|
||||
|
||||
// Acquire a lock (CRITICAL_SECTION) to prevent travelling back in time
|
||||
std::scoped_lock lock(oldWindowsMutex);
|
||||
|
||||
// Get the current time
|
||||
QueryPerformanceCounter(&time);
|
||||
}
|
||||
else
|
||||
{
|
||||
// Get the current time
|
||||
QueryPerformanceCounter(&time);
|
||||
}
|
||||
|
||||
// Return the current time as microseconds
|
||||
return sf::microseconds(static_cast<sf::Int64>(static_cast<double>(time.QuadPart) * inverse));
|
||||
}
|
||||
|
||||
} // namespace priv
|
||||
|
||||
} // namespace sf
|
||||
@ -1,55 +0,0 @@
|
||||
////////////////////////////////////////////////////////////
|
||||
//
|
||||
// SFML - Simple and Fast Multimedia Library
|
||||
// Copyright (C) 2007-2021 Laurent Gomila (laurent@sfml-dev.org)
|
||||
//
|
||||
// This software is provided 'as-is', without any express or implied warranty.
|
||||
// In no event will the authors be held liable for any damages arising from the use of this software.
|
||||
//
|
||||
// Permission is granted to anyone to use this software for any purpose,
|
||||
// including commercial applications, and to alter it and redistribute it freely,
|
||||
// subject to the following restrictions:
|
||||
//
|
||||
// 1. The origin of this software must not be misrepresented;
|
||||
// you must not claim that you wrote the original software.
|
||||
// If you use this software in a product, an acknowledgment
|
||||
// in the product documentation would be appreciated but is not required.
|
||||
//
|
||||
// 2. Altered source versions must be plainly marked as such,
|
||||
// and must not be misrepresented as being the original software.
|
||||
//
|
||||
// 3. This notice may not be removed or altered from any source distribution.
|
||||
//
|
||||
////////////////////////////////////////////////////////////
|
||||
|
||||
////////////////////////////////////////////////////////////
|
||||
// Headers
|
||||
////////////////////////////////////////////////////////////
|
||||
#include <SFML/System/Win32/SleepImpl.hpp>
|
||||
#include <windows.h>
|
||||
|
||||
|
||||
namespace sf
|
||||
{
|
||||
namespace priv
|
||||
{
|
||||
////////////////////////////////////////////////////////////
|
||||
void sleepImpl(Time time)
|
||||
{
|
||||
// Get the supported timer resolutions on this system
|
||||
TIMECAPS tc;
|
||||
timeGetDevCaps(&tc, sizeof(TIMECAPS));
|
||||
|
||||
// Set the timer resolution to the minimum for the Sleep call
|
||||
timeBeginPeriod(tc.wPeriodMin);
|
||||
|
||||
// Wait...
|
||||
::Sleep(static_cast<DWORD>(time.asMilliseconds()));
|
||||
|
||||
// Reset the timer resolution back to the system default
|
||||
timeEndPeriod(tc.wPeriodMin);
|
||||
}
|
||||
|
||||
} // namespace priv
|
||||
|
||||
} // namespace sf
|
||||
@ -1,52 +0,0 @@
|
||||
////////////////////////////////////////////////////////////
|
||||
//
|
||||
// SFML - Simple and Fast Multimedia Library
|
||||
// Copyright (C) 2007-2021 Laurent Gomila (laurent@sfml-dev.org)
|
||||
//
|
||||
// This software is provided 'as-is', without any express or implied warranty.
|
||||
// In no event will the authors be held liable for any damages arising from the use of this software.
|
||||
//
|
||||
// Permission is granted to anyone to use this software for any purpose,
|
||||
// including commercial applications, and to alter it and redistribute it freely,
|
||||
// subject to the following restrictions:
|
||||
//
|
||||
// 1. The origin of this software must not be misrepresented;
|
||||
// you must not claim that you wrote the original software.
|
||||
// If you use this software in a product, an acknowledgment
|
||||
// in the product documentation would be appreciated but is not required.
|
||||
//
|
||||
// 2. Altered source versions must be plainly marked as such,
|
||||
// and must not be misrepresented as being the original software.
|
||||
//
|
||||
// 3. This notice may not be removed or altered from any source distribution.
|
||||
//
|
||||
////////////////////////////////////////////////////////////
|
||||
|
||||
#ifndef SFML_SLEEPIMPLWIN32_HPP
|
||||
#define SFML_SLEEPIMPLWIN32_HPP
|
||||
|
||||
////////////////////////////////////////////////////////////
|
||||
// Headers
|
||||
////////////////////////////////////////////////////////////
|
||||
#include <SFML/Config.hpp>
|
||||
#include <SFML/System/Time.hpp>
|
||||
|
||||
|
||||
namespace sf
|
||||
{
|
||||
namespace priv
|
||||
{
|
||||
////////////////////////////////////////////////////////////
|
||||
/// \brief Windows implementation of sf::Sleep
|
||||
///
|
||||
/// \param time Time to sleep
|
||||
///
|
||||
////////////////////////////////////////////////////////////
|
||||
void sleepImpl(Time time);
|
||||
|
||||
} // namespace priv
|
||||
|
||||
} // namespace sf
|
||||
|
||||
|
||||
#endif // SFML_SLEEPIMPLWIN32_HPP
|
||||
Loading…
Reference in New Issue
Block a user