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[util] Rename NtTimerDuration to TimerDuration

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This commit is contained in:
Joshua Ashton 2022-08-16 08:46:40 +00:00 committed by Philip Rebohle
parent a78aab147e
commit b885883e06
2 changed files with 28 additions and 28 deletions
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40
src/util/util_fps_limiter.cpp
View File

@ -33,8 +33,8 @@ namespace dxvk {
if (!m_envOverride) {
m_targetInterval = frameRate > 0.0
? NtTimerDuration(int64_t(double(NtTimerDuration::period::den) / frameRate))
: NtTimerDuration::zero();
? TimerDuration(int64_t(double(TimerDuration::period::den) / frameRate))
: TimerDuration::zero();
if (isEnabled() && !m_initialized)
initialize();
@ -46,8 +46,8 @@ namespace dxvk {
std::lock_guard<dxvk::mutex> lock(m_mutex);
m_refreshInterval = refreshRate > 0.0
? NtTimerDuration(int64_t(double(NtTimerDuration::period::den) / refreshRate))
: NtTimerDuration::zero();
? TimerDuration(int64_t(double(TimerDuration::period::den) / refreshRate))
: TimerDuration::zero();
}
@ -67,22 +67,22 @@ namespace dxvk {
auto t0 = m_lastFrame;
auto t1 = dxvk::high_resolution_clock::now();
auto frameTime = std::chrono::duration_cast<NtTimerDuration>(t1 - t0);
auto frameTime = std::chrono::duration_cast<TimerDuration>(t1 - t0);
if (frameTime * 100 > m_targetInterval * 103 - m_deviation * 100) {
// If we have a slow frame, reset the deviation since we
// do not want to compensate for low performance later on
m_deviation = NtTimerDuration::zero();
m_deviation = TimerDuration::zero();
} else {
// Don't call sleep if the amount of time to sleep is shorter
// than the time the function calls are likely going to take
NtTimerDuration sleepDuration = m_targetInterval - m_deviation - frameTime;
TimerDuration sleepDuration = m_targetInterval - m_deviation - frameTime;
t1 = sleep(t1, sleepDuration);
// Compensate for any sleep inaccuracies in the next frame, and
// limit cumulative deviation in order to avoid stutter in case we
// have a number of slow frames immediately followed by a fast one.
frameTime = std::chrono::duration_cast<NtTimerDuration>(t1 - t0);
frameTime = std::chrono::duration_cast<TimerDuration>(t1 - t0);
m_deviation += frameTime - m_targetInterval;
m_deviation = std::min(m_deviation, m_targetInterval / 16);
}
@ -91,8 +91,8 @@ namespace dxvk {
}
FpsLimiter::TimePoint FpsLimiter::sleep(TimePoint t0, NtTimerDuration duration) {
if (duration <= NtTimerDuration::zero())
FpsLimiter::TimePoint FpsLimiter::sleep(TimePoint t0, TimerDuration duration) {
if (duration <= TimerDuration::zero())
return t0;
// On wine, we can rely on NtDelayExecution waiting for more or
@ -100,16 +100,16 @@ namespace dxvk {
// spamming QueryPerformanceCounter for performance reasons.
// On Windows, we busy-wait for the last couple of milliseconds
// since sleeping is highly inaccurate and inconsistent.
NtTimerDuration sleepThreshold = m_sleepThreshold;
TimerDuration sleepThreshold = m_sleepThreshold;
if (m_sleepGranularity != NtTimerDuration::zero())
if (m_sleepGranularity != TimerDuration::zero())
sleepThreshold += duration / 6;
NtTimerDuration remaining = duration;
TimerDuration remaining = duration;
TimePoint t1 = t0;
while (remaining > sleepThreshold) {
NtTimerDuration sleepDuration = remaining - sleepThreshold;
TimerDuration sleepDuration = remaining - sleepThreshold;
if (NtDelayExecution) {
LARGE_INTEGER ticks;
@ -121,14 +121,14 @@ namespace dxvk {
}
t1 = dxvk::high_resolution_clock::now();
remaining -= std::chrono::duration_cast<NtTimerDuration>(t1 - t0);
remaining -= std::chrono::duration_cast<TimerDuration>(t1 - t0);
t0 = t1;
}
// Busy-wait until we have slept long enough
while (remaining > NtTimerDuration::zero()) {
while (remaining > TimerDuration::zero()) {
t1 = dxvk::high_resolution_clock::now();
remaining -= std::chrono::duration_cast<NtTimerDuration>(t1 - t0);
remaining -= std::chrono::duration_cast<TimerDuration>(t1 - t0);
t0 = t1;
}
@ -152,16 +152,16 @@ namespace dxvk {
// Wine's implementation of these functions is a stub as of 6.10, which is fine
// since it uses select() in NtDelayExecution. This is only relevant for Windows.
if (NtQueryTimerResolution && !NtQueryTimerResolution(&min, &max, &cur)) {
m_sleepGranularity = NtTimerDuration(cur);
m_sleepGranularity = TimerDuration(cur);
if (NtSetTimerResolution && !NtSetTimerResolution(max, TRUE, &cur)) {
Logger::info(str::format("Setting timer interval to ", (double(max) / 10.0), " us"));
m_sleepGranularity = NtTimerDuration(max);
m_sleepGranularity = TimerDuration(max);
}
}
} else {
// Assume 1ms sleep granularity by default
m_sleepGranularity = NtTimerDuration(10000);
m_sleepGranularity = TimerDuration(10000);
}
m_sleepThreshold = 4 * m_sleepGranularity;

16
src/util/util_fps_limiter.h
View File

@ -53,34 +53,34 @@ namespace dxvk {
* \returns \c true if the target frame rate is non-zero.
*/
bool isEnabled() const {
return m_targetInterval != NtTimerDuration::zero();
return m_targetInterval != TimerDuration::zero();
}
private:
using TimePoint = dxvk::high_resolution_clock::time_point;
using NtTimerDuration = std::chrono::duration<int64_t, std::ratio<1, 10000000>>;
using TimerDuration = std::chrono::duration<int64_t, std::ratio<1, 10000000>>;
using NtQueryTimerResolutionProc = UINT (WINAPI *) (ULONG*, ULONG*, ULONG*);
using NtSetTimerResolutionProc = UINT (WINAPI *) (ULONG, BOOL, ULONG*);
using NtDelayExecutionProc = UINT (WINAPI *) (BOOL, LARGE_INTEGER*);
dxvk::mutex m_mutex;
NtTimerDuration m_targetInterval = NtTimerDuration::zero();
NtTimerDuration m_refreshInterval = NtTimerDuration::zero();
NtTimerDuration m_deviation = NtTimerDuration::zero();
TimerDuration m_targetInterval = TimerDuration::zero();
TimerDuration m_refreshInterval = TimerDuration::zero();
TimerDuration m_deviation = TimerDuration::zero();
TimePoint m_lastFrame;
bool m_initialized = false;
bool m_envOverride = false;
NtTimerDuration m_sleepGranularity = NtTimerDuration::zero();
NtTimerDuration m_sleepThreshold = NtTimerDuration::zero();
TimerDuration m_sleepGranularity = TimerDuration::zero();
TimerDuration m_sleepThreshold = TimerDuration::zero();
NtDelayExecutionProc NtDelayExecution = nullptr;
TimePoint sleep(TimePoint t0, NtTimerDuration duration);
TimePoint sleep(TimePoint t0, TimerDuration duration);
void initialize();