コード例 #1
0
void _glfwInitTimer( void )
{
    __int64 freq;

    // Check if we have a performance counter
    if( QueryPerformanceFrequency( (LARGE_INTEGER *)&freq ) )
    {
        // Performance counter is available => use it!
        _glfwLibrary.Timer.HasPerformanceCounter = GL_TRUE;

        // Counter resolution is 1 / counter frequency
        _glfwLibrary.Timer.Resolution = 1.0 / (double)freq;

        // Set start time for timer
        QueryPerformanceCounter( (LARGE_INTEGER *)&_glfwLibrary.Timer.t0_64 );
    }
    else
    {
        // No performace counter available => use the tick counter
        _glfwLibrary.Timer.HasPerformanceCounter = GL_FALSE;

        // Counter resolution is 1 ms
        _glfwLibrary.Timer.Resolution = 0.001;

        // Set start time for timer
        _glfwLibrary.Timer.t0_32 = _glfw_timeGetTime();
    }
}
コード例 #2
0
ファイル: win32_time.c プロジェクト: RandyGaul/tinysound
uint64_t _glfwPlatformGetTimerValue(void)
{
    if (_glfw.win32_time.hasPC)
    {
        uint64_t value;
        QueryPerformanceCounter((LARGE_INTEGER*) &value);
        return value;
    }
    else
        return (uint64_t) _glfw_timeGetTime();
}
コード例 #3
0
// Return raw time
//
static unsigned __int64 getRawTime(void)
{
    if (_glfw.win32_time.hasPC)
    {
        unsigned __int64 time;
        QueryPerformanceCounter((LARGE_INTEGER*) &time);
        return time;
    }
    else
        return (unsigned __int64) _glfw_timeGetTime();
}
コード例 #4
0
ファイル: win32_time.c プロジェクト: Ape/DCPUToolchain
void _glfwPlatformSetTime(double t)
{
    __int64 t_64;

    if (_glfwLibrary.Win32.timer.hasPC)
    {
        QueryPerformanceCounter((LARGE_INTEGER*) &t_64);
        _glfwLibrary.Win32.timer.t0_64 = t_64 - (__int64) (t / _glfwLibrary.Win32.timer.resolution);
    }
    else
        _glfwLibrary.Win32.timer.t0_32 = _glfw_timeGetTime() - (int)(t * 1000.0);
}
コード例 #5
0
ファイル: win32_time.c プロジェクト: Ape/DCPUToolchain
double _glfwPlatformGetTime(void)
{
    double t;
    __int64 t_64;

    if (_glfwLibrary.Win32.timer.hasPC)
    {
        QueryPerformanceCounter((LARGE_INTEGER*) &t_64);
        t =  (double)(t_64 - _glfwLibrary.Win32.timer.t0_64);
    }
    else
        t = (double)(_glfw_timeGetTime() - _glfwLibrary.Win32.timer.t0_32);

    return t * _glfwLibrary.Win32.timer.resolution;
}
コード例 #6
0
ファイル: win32_time.c プロジェクト: Ape/DCPUToolchain
void _glfwInitTimer(void)
{
    __int64 freq;

    if (QueryPerformanceFrequency((LARGE_INTEGER*) &freq))
    {
        _glfwLibrary.Win32.timer.hasPC = GL_TRUE;
        _glfwLibrary.Win32.timer.resolution = 1.0 / (double) freq;
        QueryPerformanceCounter((LARGE_INTEGER*) &_glfwLibrary.Win32.timer.t0_64);
    }
    else
    {
        _glfwLibrary.Win32.timer.hasPC = GL_FALSE;
        _glfwLibrary.Win32.timer.resolution = 0.001; // winmm resolution is 1 ms
        _glfwLibrary.Win32.timer.t0_32 = _glfw_timeGetTime();
    }
}
コード例 #7
0
double _glfwPlatformGetTime( void )
{
    double  t;
    __int64 t_64;

    if( _glfwLibrary.Timer.HasPerformanceCounter )
    {
        QueryPerformanceCounter( (LARGE_INTEGER *)&t_64 );
        t =  (double)(t_64 - _glfwLibrary.Timer.t0_64);
    }
    else
    {
        t = (double)(_glfw_timeGetTime() - _glfwLibrary.Timer.t0_32);
    }

    // Calculate the current time in seconds
    return t * _glfwLibrary.Timer.Resolution;
}