From c1931db1f42efc22d54b76e6a1f6618800cfb799 Mon Sep 17 00:00:00 2001
From: Michele Spagnolo <spagnolo.michele.1994@gmail.com>
Date: Wed, 28 Jun 2023 15:58:30 +0200
Subject: [PATCH] Don't compute stuff on staves that aren't shown

---
 src/engraving/layout/v0/measurelayout.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/engraving/layout/v0/measurelayout.cpp b/src/engraving/layout/v0/measurelayout.cpp
index db6d1a190abfc..f61e438772bb5 100644
--- a/src/engraving/layout/v0/measurelayout.cpp
+++ b/src/engraving/layout/v0/measurelayout.cpp
@@ -806,6 +806,10 @@ void MeasureLayout::getNextMeasure(LayoutContext& ctx)
     //
     for (size_t staffIdx = 0; staffIdx < ctx.dom().nstaves(); ++staffIdx) {
         const Staff* staff = ctx.dom().staff(staffIdx);
+        if (!staff->show()) {
+            continue;
+        }
+
         const Drumset* drumset
             = staff->part()->instrument(measure->tick())->useDrumset() ? staff->part()->instrument(measure->tick())->drumset() : 0;
         AccidentalState as;          // list of already set accidentals for this measure
@@ -912,6 +916,11 @@ void MeasureLayout::getNextMeasure(LayoutContext& ctx)
     }
 
     for (staff_idx_t staffIdx = 0; staffIdx < ctx.dom().nstaves(); ++staffIdx) {
+        const Staff* staff = ctx.dom().staff(staffIdx);
+        if (!staff->show()) {
+            continue;
+        }
+
         for (Segment& segment : measure->segments()) {
             if (segment.isChordRestType()) {
                 ChordLayout::layoutChords1(ctx, &segment, staffIdx);