From c83a087400065c7c26cb1de0b373e6b688c1edf1 Mon Sep 17 00:00:00 2001
From: baldurk <baldurk@baldurk.org>
Date: Tue, 21 May 2019 13:29:43 +0100
Subject: [PATCH] Don't pass negative firstMip/firstSlice

* These can be -1 to indicate that all mips/slices are available - so pass 0 in
  that case.
---
 qrenderdoc/Windows/TextureViewer.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/qrenderdoc/Windows/TextureViewer.cpp b/qrenderdoc/Windows/TextureViewer.cpp
index 7c49a7a1e..8165f81cb 100644
--- a/qrenderdoc/Windows/TextureViewer.cpp
+++ b/qrenderdoc/Windows/TextureViewer.cpp
@@ -2064,7 +2064,9 @@ void TextureViewer::InitResourcePreview(ResourcePreview *prev, BoundResource res
     if(m_Ctx.GetTexture(res.resourceId))
     {
       m_Ctx.Replay().AsyncInvoke([this, winData, res](IReplayController *) {
-        m_Output->AddThumbnail(winData, res.resourceId, res.typeHint, res.firstMip, res.firstSlice);
+        m_Output->AddThumbnail(winData, res.resourceId, res.typeHint,
+                               res.firstMip >= 0 ? res.firstMip : 0,
+                               res.firstSlice >= 0 ? res.firstSlice : 0);
       });
     }
     else