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slightly faster auto LOD adjust

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Andrew Meadows 2018-01-12 07:41:15 -08:00
parent 80c43bd0f7
commit 2c43138e14
1 changed files with 2 additions and 2 deletions
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4
interface/src/LODManager.cpp
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@ -47,13 +47,13 @@ float LODManager::getLODIncreaseFPS() const {
// value in real-time. Given a step-function in the mesured value, and assuming measurements happen
// faster than the runningAverage is computed, the error between the value and its runningAverage will be
// reduced by 1/e every timescale of real-time that passes.
const float LOD_ADJUST_RUNNING_AVG_TIMESCALE = 0.1f; // sec
const float LOD_ADJUST_RUNNING_AVG_TIMESCALE = 0.08f; // sec
//
// Assuming the measured value is affected by logic invoked by the runningAverage bumping up against its
// thresholds, we expect the adjustment to introduce a step-function. We want the runningAverage to settle
// to the new value BEFORE we test it aginst its thresholds again. Hence we test on a period that is a few
// multiples of the running average timescale:
const uint64_t LOD_AUTO_ADJUST_PERIOD = 5 * (uint64_t)(LOD_ADJUST_RUNNING_AVG_TIMESCALE * (float)USECS_PER_MSEC); // usec
const uint64_t LOD_AUTO_ADJUST_PERIOD = 4 * (uint64_t)(LOD_ADJUST_RUNNING_AVG_TIMESCALE * (float)USECS_PER_MSEC); // usec
const float LOD_AUTO_ADJUST_DECREMENT_FACTOR = 0.8f;
const float LOD_AUTO_ADJUST_INCREMENT_FACTOR = 1.2f;