From f14c4cbe5b42974237a6b5c7de1f4afc255029fc Mon Sep 17 00:00:00 2001
From: Frank <91616163+softhack007@users.noreply.github.com>
Date: Mon, 28 Oct 2024 13:09:29 +0100
Subject: [PATCH] make presets with images work with FASTPATH

seg.startFrame() is needed, otherwise nothing will be drawn.
---
 wled00/json.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/wled00/json.cpp b/wled00/json.cpp
index 7608503d..f1b75bed 100644
--- a/wled00/json.cpp
+++ b/wled00/json.cpp
@@ -328,6 +328,13 @@ bool deserializeSegment(JsonObject elem, byte it, byte presetId)
   if (!iarr.isNull()) {
     uint8_t oldMap1D2D = seg.map1D2D;
     seg.map1D2D = M12_Pixels; // no mapping
+    // WLEDMM begin - we need to init segment caches before putting any pixels
+    if (strip.isServicing()) {
+      USER_PRINTLN(F("deserializeSegment() image: strip is still drawing effects."));
+      strip.waitUntilIdle();
+    }
+    seg.startFrame();
+    // WLEDMM end
 
     // set brightness immediately and disable transition
     transitionDelayTemp = 0;