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pstats: Perf improvement for smooth mode in strip chart with dropped frames

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This significantly improves PStats strip chart performance with high frame rates and high number of dropped frames
This commit is contained in:
rdb 2024-03-15 12:45:19 +01:00
parent 07902429b8
commit 91c22a0fd6
1 changed files with 10 additions and 1 deletions
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11
pandatool/src/pstatserver/pStatStripChart.cxx
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@ -672,16 +672,25 @@ compute_average_pixel_data(PStatStripChart::FrameData &result,
double last = then_end;
// Then we get all of each of the middle frames.
double weight = 0.0;
for (int frame_number = then_i + 1;
frame_number < now_i;
frame_number++) {
if (thread_data->has_frame(frame_number)) {
if (weight > 0.0) {
accumulate_frame_data(result, *fdata, weight);
weight = 0.0;
}
fdata = &get_frame_data(frame_number);
}
accumulate_frame_data(result, *fdata, fdata->_end - last);
weight += fdata->_end - last;
last = fdata->_end;
}
if (weight > 0.0) {
accumulate_frame_data(result, *fdata, weight);
}
// And finally, we get the remainder as now_i.
if (last <= now) {
accumulate_frame_data(result, get_frame_data(now_i), now - last);