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Cycles: Clamp sample number during viewport navigation to max samples

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Previously, Cycles would render up to 4SPP during viewport navigation when
using reduced resolution, even when the overall number of samples was set
lower.

This causes problems with the blue-noise pattern, so ensure that the
number of samples is always clamped to the configured maximum.
This commit is contained in:
Lukas Stockner 2024-06-05 23:14:15 +02:00
parent 15b5651712
commit a4d933e93e
1 changed files with 4 additions and 2 deletions
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6
intern/cycles/integrator/render_scheduler.cpp
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@ -946,12 +946,14 @@ int RenderScheduler::get_num_samples_during_navigation(int resolution_divider) c
return 1;
}
/* Schedule samples equal to the resolution divider up to a maximum of 4.
/* Schedule samples equal to the resolution divider up to a maximum of 4, limited by the maximum
* number of samples overall.
* The idea is to have enough information on the screen by increasing the sample count as the
* resolution is decreased. */
const int max_navigation_samples = min(num_samples_, 4);
/* NOTE: Changing this formula will change the formula in
* `RenderScheduler::calculate_resolution_divider_for_time()`. */
return min(max(1, resolution_divider / pixel_size_), 4);
return min(max(1, resolution_divider / pixel_size_), max_navigation_samples);
}
bool RenderScheduler::work_need_adaptive_filter() const