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setup timers resolution for windows

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This commit is contained in:
Matvey Cherevko
2018-11-08 21:37:01 +07:00
parent 180976e875
commit d5616c41dd
2 changed files with 23 additions and 2 deletions
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5
CMakeLists.txt
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@@ -144,6 +144,11 @@ if(APPLE)
${Foundation})
endif(APPLE)
if(WIN32)
list(APPEND E2D_LIBRARIES
winmm.lib)
endif(WIN32)
set(E2D_INCLUDE_DIRS
${CMAKE_CURRENT_SOURCE_DIR}/headers)

20
sources/enduro2d/core/platform_impl/platform_windows.cpp
View File

@@ -8,14 +8,30 @@
#if defined(E2D_PLATFORM_MODE) && E2D_PLATFORM_MODE == E2D_PLATFORM_MODE_WINDOWS
#include <windows.h>
namespace
{
using namespace e2d;
class platform_internal_state_impl_windows final : public platform_internal_state_impl {
public:
platform_internal_state_impl_windows() = default;
~platform_internal_state_impl_windows() noexcept = default;
platform_internal_state_impl_windows() {
TIMECAPS tc;
if ( MMSYSERR_NOERROR == ::timeGetDevCaps(&tc, sizeof(tc)) ) {
if ( TIMERR_NOERROR == ::timeBeginPeriod(tc.wPeriodMin) ) {
timers_resolution_ = tc.wPeriodMin;
}
}
}
~platform_internal_state_impl_windows() noexcept {
if ( timers_resolution_ > 0 ) {
::timeEndPeriod(timers_resolution_);
}
}
private:
UINT timers_resolution_{0u};
};
}