From 8d9cf9fdce10f3bda3fb2a263c6eab0e08563bfc Mon Sep 17 00:00:00 2001
From: Jake Turner <jake@evansturner.co.uk>
Date: Mon, 1 Apr 2024 19:15:46 +0100
Subject: [PATCH] Pixel History UI always show alpha for Shader Out

---
 qrenderdoc/Windows/PixelHistoryView.cpp | 19 +++++++++++++++++--
 1 file changed, 17 insertions(+), 2 deletions(-)

diff --git a/qrenderdoc/Windows/PixelHistoryView.cpp b/qrenderdoc/Windows/PixelHistoryView.cpp
index 8ac14b8e7..847273f39 100644
--- a/qrenderdoc/Windows/PixelHistoryView.cpp
+++ b/qrenderdoc/Windows/PixelHistoryView.cpp
@@ -310,7 +310,7 @@ public:
             }
             if(mod.directShaderWrite)
               return tr("Tex Before\n\n") + modString(mod.preMod);
-            return tr("Shader Out\n\n") + modString(mod.shaderOut);
+            return tr("Shader Out\n\n") + modString(mod.shaderOut, true);
           }
         }
 
@@ -537,7 +537,7 @@ private:
                                   (int)(255.0f * b + 0.5f)));
   }
 
-  QString modString(const ModificationValue &val) const
+  QString modString(const ModificationValue &val, bool forceShowAlpha = false) const
   {
     QString s;
 
@@ -565,6 +565,21 @@ private:
         for(int i = 0; i < numComps; i++)
           s += colourLetterPrefix[i] + Formatter::Format(val.col.floatValue[i]) + lit("\n");
       }
+      if(forceShowAlpha && numComps < 4)
+      {
+        if(m_IsUint)
+        {
+          s += colourLetterPrefix[3] + Formatter::Format(val.col.uintValue[3]) + lit("\n");
+        }
+        else if(m_IsSint)
+        {
+          s += colourLetterPrefix[3] + Formatter::Format(val.col.intValue[3]) + lit("\n");
+        }
+        else
+        {
+          s += colourLetterPrefix[3] + Formatter::Format(val.col.floatValue[3]) + lit("\n");
+        }
+      }
     }
 
     if(val.depth >= 0.0f)