From 4de23d8d8b7a01b04089edf9859f6fcf400f8f81 Mon Sep 17 00:00:00 2001
From: baldurk <baldurk@baldurk.org>
Date: Tue, 5 Jun 2018 21:00:14 +0100
Subject: [PATCH] Fetch enough data even for odd vertex attribute offsets.
 Closes #1007

---
 qrenderdoc/Windows/BufferViewer.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/qrenderdoc/Windows/BufferViewer.cpp b/qrenderdoc/Windows/BufferViewer.cpp
index e7ef137cc..c741a32cf 100644
--- a/qrenderdoc/Windows/BufferViewer.cpp
+++ b/qrenderdoc/Windows/BufferViewer.cpp
@@ -1659,12 +1659,16 @@ void BufferViewer::RT_FetchMeshData(IReplayController *r)
     bool pi = false;
     bool pv = false;
 
+    uint32_t maxAttrOffset = 0;
+
     for(const FormatElement &col : m_ModelVSIn->columns)
     {
       if(col.buffer == vbIdx)
       {
         used = true;
 
+        maxAttrOffset = qMax(maxAttrOffset, col.offset);
+
         if(col.perinstance)
           pi = true;
         else
@@ -1701,7 +1705,7 @@ void BufferViewer::RT_FetchMeshData(IReplayController *r)
     if(used)
     {
       bytebuf bufdata = r->GetBufferData(vb.resourceId, vb.byteOffset + offset * vb.byteStride,
-                                         (maxIdx + 1) * vb.byteStride);
+                                         (maxIdx + 1) * vb.byteStride + maxAttrOffset);
 
       buf->data = new byte[bufdata.size()];
       memcpy(buf->data, bufdata.data(), bufdata.size());