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add last backwards-compatible version

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This commit is contained in:
Mikah Chapman
2021-12-14 00:33:46 -07:00
parent 68b10d413b
commit b0dd3f07f3
335 changed files with 4746 additions and 19627 deletions
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28
pfc/timers.h
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@@ -42,9 +42,14 @@ namespace pfc {
#ifdef _WIN32
namespace pfc {
// ALWAYS define 64bit tickcount - don't cause mayhem if different modules are compiled for different Windows versions
typedef uint64_t tickcount_t;
inline tickcount_t getTickCount() { return GetTickCount64(); }
#if _WIN32_WINNT >= 0x600
typedef uint64_t tickcount_t;
inline tickcount_t getTickCount() { return GetTickCount64(); }
#else
#define PFC_TICKCOUNT_32BIT
typedef uint32_t tickcount_t;
inline tickcount_t getTickCount() { return GetTickCount(); }
#endif
class hires_timer {
public:
@@ -83,7 +88,7 @@ private:
class lores_timer {
public:
lores_timer() {}
lores_timer() : m_start() {}
void start() {
_start(getTickCount());
}
@@ -102,12 +107,25 @@ public:
}
private:
void _start(tickcount_t p_time) {
#ifdef PFC_TICKCOUNT_32BIT
m_last_seen = p_time;
#endif
m_start = p_time;
}
double _query(tickcount_t p_time) const {
#ifdef PFC_TICKCOUNT_32BIT
t_uint64 time = p_time;
if (time < (m_last_seen & 0xFFFFFFFF)) time += 0x100000000;
m_last_seen = (m_last_seen & 0xFFFFFFFF00000000) + time;
return (double)(m_last_seen - m_start) / 1000.0;
#else
return (double)(p_time - m_start) / 1000.0;
#endif
}
t_uint64 m_start = 0;
t_uint64 m_start;
#ifdef PFC_TICKCOUNT_32BIT
mutable t_uint64 m_last_seen;
#endif
};
}
#else // not _WIN32