From 7d233f074cc78f052a2a03ae82cf0e0e0a57b1b4 Mon Sep 17 00:00:00 2001
From: baldurk <baldurk@baldurk.org>
Date: Tue, 28 Apr 2020 15:20:24 +0100
Subject: [PATCH] Don't launch pixel history on failure if the feature is not
 supported

---
 qrenderdoc/Windows/TextureViewer.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/qrenderdoc/Windows/TextureViewer.cpp b/qrenderdoc/Windows/TextureViewer.cpp
index e12797658..85a74fc85 100644
--- a/qrenderdoc/Windows/TextureViewer.cpp
+++ b/qrenderdoc/Windows/TextureViewer.cpp
@@ -3805,7 +3805,10 @@ void TextureViewer::on_debugPixelContext_clicked()
   // if we couldn't debug the pixel on this event, open up a pixel history
   if(!trace)
   {
-    on_pixelHistory_clicked();
+    if(m_Ctx.APIProps().pixelHistory)
+      on_pixelHistory_clicked();
+    else
+      RDDialog::critical(this, tr("Debug Error"), tr("Error debugging pixel."));
     return;
   }