Jiga228/glfw
0
0
Fork 0
mirror of https://github.com/glfw/glfw.git synced 2026-09-20 16:30:45 +00:00
Code Issues Packages Projects Releases Wiki Activity

Win32 port work dump.

Browse Source
This commit is contained in:
Camilla Berglund
2010-09-12 16:26:00 +02:00
parent 8c507dc333
commit 90df26ac3c
8 changed files with 355 additions and 421 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/win32/win32_time.c
+13 -13
View File
@@ -47,24 +47,24 @@ void _glfwInitTimer(void)
if (QueryPerformanceFrequency((LARGE_INTEGER*) &freq))
{
// Performance counter is available => use it!
_glfwLibrary.Timer.HasPerformanceCounter = GL_TRUE;
_glfwLibrary.Win32.timer.HasPerformanceCounter = GL_TRUE;
// Counter resolution is 1 / counter frequency
_glfwLibrary.Timer.Resolution = 1.0 / (double) freq;
_glfwLibrary.Win32.timer.Resolution = 1.0 / (double) freq;
// Set start time for timer
QueryPerformanceCounter((LARGE_INTEGER*) &_glfwLibrary.Timer.t0_64);
QueryPerformanceCounter((LARGE_INTEGER*) &_glfwLibrary.Win32.timer.t0_64);
}
else
{
// No performace counter available => use the tick counter
_glfwLibrary.Timer.HasPerformanceCounter = GL_FALSE;
_glfwLibrary.Win32.timer.HasPerformanceCounter = GL_FALSE;
// Counter resolution is 1 ms
_glfwLibrary.Timer.Resolution = 0.001;
_glfwLibrary.Win32.timer.Resolution = 0.001;
// Set start time for timer
_glfwLibrary.Timer.t0_32 = _glfw_timeGetTime();
_glfwLibrary.Win32.timer.t0_32 = _glfw_timeGetTime();
}
}
@@ -82,16 +82,16 @@ double _glfwPlatformGetTime(void)
double t;
__int64 t_64;
if (_glfwLibrary.Timer.HasPerformanceCounter)
if (_glfwLibrary.Win32.timer.HasPerformanceCounter)
{
QueryPerformanceCounter((LARGE_INTEGER*) &t_64);
t = (double)(t_64 - _glfwLibrary.Timer.t0_64);
t = (double)(t_64 - _glfwLibrary.Win32.timer.t0_64);
}
else
t = (double)(_glfw_timeGetTime() - _glfwLibrary.Timer.t0_32);
t = (double)(_glfw_timeGetTime() - _glfwLibrary.Win32.timer.t0_32);
// Calculate the current time in seconds
return t * _glfwLibrary.Timer.Resolution;
return t * _glfwLibrary.Win32.timer.Resolution;
}
@@ -103,12 +103,12 @@ void _glfwPlatformSetTime(double t)
{
__int64 t_64;
if (_glfwLibrary.Timer.HasPerformanceCounter)
if (_glfwLibrary.Win32.timer.HasPerformanceCounter)
{
QueryPerformanceCounter((LARGE_INTEGER*) &t_64);
_glfwLibrary.Timer.t0_64 = t_64 - (__int64) (t / _glfwLibrary.Timer.Resolution);
_glfwLibrary.Win32.timer.t0_64 = t_64 - (__int64) (t / _glfwLibrary.Win32.timer.Resolution);
}
else
_glfwLibrary.Timer.t0_32 = _glfw_timeGetTime() - (int)(t * 1000.0);
_glfwLibrary.Win32.timer.t0_32 = _glfw_timeGetTime() - (int)(t * 1000.0);
}