From 6565e716aba033a5c62284b4d122a9f6e00c9829 Mon Sep 17 00:00:00 2001
From: Frank <91616163+softhack007@users.noreply.github.com>
Date: Mon, 15 Jul 2024 18:14:30 +0200
Subject: [PATCH] GEQ speedup

use drawLine() to draw a complete bar at once. Only possible if _not_ doing colored bars.
---
 wled00/FX.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/wled00/FX.cpp b/wled00/FX.cpp
index 95041774..ba8d3cd8 100644
--- a/wled00/FX.cpp
+++ b/wled00/FX.cpp
@@ -7914,13 +7914,17 @@ uint16_t mode_2DGEQ(void) { // By Will Tatam. Code reduction by Ewoud Wijma.
     if (barHeight > previousBarHeight[x]) previousBarHeight[x] = barHeight; //drive the peak up
 
     uint32_t ledColor = BLACK;
+    if ((! SEGMENT.check1) && (barHeight > 0)) {  // use faster drawLine when single-color bars are needed
+      ledColor = SEGMENT.color_from_palette(colorIndex, false, PALETTE_SOLID_WRAP, 0);
+      SEGMENT.drawLine(int(x), max(0,int(rows)-barHeight-1), int(x), int(rows-1), ledColor, false); // max(0, ...) to prevent negative Y
+    } else {
     for (int y=0; y < barHeight; y++) {
       if (SEGMENT.check1) //color_vertical / color bars toggle
         colorIndex = map(y, 0, rows-1, 0, 255);
 
       ledColor = SEGMENT.color_from_palette(colorIndex, false, PALETTE_SOLID_WRAP, 0);
       SEGMENT.setPixelColorXY(x, rows-1 - y, ledColor);
-    }
+    } }
     if ((SEGMENT.intensity < 255) && (previousBarHeight[x] > 0) && (previousBarHeight[x] < rows))  // WLEDMM avoid "overshooting" into other segments
       SEGMENT.setPixelColorXY(x, rows - previousBarHeight[x], (SEGCOLOR(2) != BLACK) ? SEGCOLOR(2) : ledColor);