1 files changed, 6 insertions, 0 deletions
diff --git a/intern/cycles/integrator/render_scheduler.h b/intern/cycles/integrator/render_scheduler.h
index dce876d44bd..a0ab17b3794 100644
--- a/intern/cycles/integrator/render_scheduler.h
+++ b/intern/cycles/integrator/render_scheduler.h
@@ -187,6 +187,8 @@ class RenderScheduler {
    * times, and so on. */
   string full_report() const;
 
+  void set_limit_samples_per_update(const int limit_samples);
+
  protected:
   /* Check whether all work has been scheduled and time limit was not exceeded.
    *
@@ -450,6 +452,10 @@ class RenderScheduler {
    * (quadratic dependency from the resolution divider): resolution divider of 2 brings render time
    * down by a factor of 4. */
   int calculate_resolution_divider_for_time(double desired_time, double actual_time);
+
+  /* If the number of samples per rendering progression should be limited because of path guiding
+   * being activated or is still inside its training phase */
+  int limit_samples_per_update_ = 0;
 };
 
 int calculate_resolution_divider_for_resolution(int width, int height, int resolution);