From 1fe8601769e3235e96142e80eea69bceb8d16b56 Mon Sep 17 00:00:00 2001
From: Jake Turner <jake@evansturner.co.uk>
Date: Tue, 2 Apr 2024 08:52:26 +0100
Subject: [PATCH] Pixel History UI background swatch fix for R, RG formats

Set unused components to black (0.0 after range scaling).
---
 qrenderdoc/Windows/PixelHistoryView.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/qrenderdoc/Windows/PixelHistoryView.cpp b/qrenderdoc/Windows/PixelHistoryView.cpp
index 847273f39..2535c0bdf 100644
--- a/qrenderdoc/Windows/PixelHistoryView.cpp
+++ b/qrenderdoc/Windows/PixelHistoryView.cpp
@@ -529,6 +529,14 @@ private:
     g = qBound(0.0f, (g - m_Display.rangeMin) / rangesize, 1.0f);
     b = qBound(0.0f, (b - m_Display.rangeMin) / rangesize, 1.0f);
 
+    int numComps = (int)(m_Tex->format.compCount);
+    if(numComps < 3)
+    {
+      b = 0.0f;
+      if(numComps < 2)
+        g = 0.0f;
+    }
+
     if(m_IsDepth)
       r = g = b = qBound(0.0f, (val.depth - m_Display.rangeMin) / rangesize, 1.0f);