VectorAnimationTask::TimePoint VectorAnimationTask::CalculateNextFrameTime(bool renderNow)
{
- // std::chrono::time_point template has second parameter duration which defaults to the std::chrono::system_clock supported
+ // std::chrono::time_point template has second parameter duration which defaults to the std::chrono::steady_clock supported
// duration. In some C++11 implementations it is a milliseconds duration, so it fails to compile unless mNextFrameStartTime
// is casted to use the default duration.
mNextFrameStartTime = std::chrono::time_point_cast<TimePoint::duration>(mNextFrameStartTime + std::chrono::microseconds(mFrameDurationMicroSeconds));
- auto current = std::chrono::system_clock::now();
+ auto current = std::chrono::steady_clock::now();
if(renderNow)
{
mNextFrameStartTime = current;
{
uint32_t droppedFrames = 0;
- while(current > std::chrono::time_point_cast<TimePoint::duration>(mNextFrameStartTime + std::chrono::microseconds(mFrameDurationMicroSeconds)))
+ while(current > std::chrono::time_point_cast<TimePoint::duration>(mNextFrameStartTime + std::chrono::microseconds(mFrameDurationMicroSeconds)) && droppedFrames < mTotalFrame)
{
droppedFrames++;
mNextFrameStartTime = std::chrono::time_point_cast<TimePoint::duration>(mNextFrameStartTime + std::chrono::microseconds(mFrameDurationMicroSeconds));