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libipa: exposure_mode_helper: Remove double calculation of lastStageGain

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lastStageGain gets recalculated unconditionally even though it is the
stageGain of the last stage. Refactor for increased simplicity and
efficiency.

Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
This commit is contained in:
Stefan Klug
2025-09-19 11:40:20 +02:00
committed by Kieran Bingham
parent f077c58e08
commit 0efa130b25
1 changed files with 3 additions and 1 deletions
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4
src/ipa/libipa/exposure_mode_helper.cpp
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@@ -198,10 +198,10 @@ ExposureModeHelper::splitExposure(utils::Duration exposure) const
utils::Duration exposureTime;
double stageGain = 1.0;
double lastStageGain = 1.0;
double gain;
for (unsigned int stage = 0; stage < gains_.size(); stage++) {
double lastStageGain = stage == 0 ? 1.0 : clampGain(gains_[stage - 1]);
utils::Duration stageExposureTime = clampExposureTime(exposureTimes_[stage]);
stageGain = clampGain(gains_[stage]);
@@ -228,6 +228,8 @@ ExposureModeHelper::splitExposure(utils::Duration exposure) const
return { exposureTime, gain, exposure / (exposureTime * gain) };
}
lastStageGain = stageGain;
}
/*