From 170765fd3505410dced83b342f87030fd9151e35 Mon Sep 17 00:00:00 2001
From: RunitaiLinden <davep@lindenlab.com>
Date: Tue, 30 Apr 2024 21:57:42 -0500
Subject: #1357 Proof of concept on decomposing a GLTF scene into its component
 parts

---
 indra/newview/gltf/accessor.cpp | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

(limited to 'indra/newview/gltf/accessor.cpp')

diff --git a/indra/newview/gltf/accessor.cpp b/indra/newview/gltf/accessor.cpp
index 55d36b7a32..9bfdc2afa6 100644
--- a/indra/newview/gltf/accessor.cpp
+++ b/indra/newview/gltf/accessor.cpp
@@ -30,6 +30,24 @@
 
 using namespace LL::GLTF;
 
+void Buffer::erase(Asset& asset, S32 offset, S32 length)
+{
+    S32 idx = this - &asset.mBuffers[0];
+
+    mData.erase(mData.begin() + offset, mData.begin() + offset + length);
+
+    for (BufferView& view : asset.mBufferViews)
+    {
+        if (view.mBuffer == idx)
+        {
+            if (view.mByteOffset >= offset)
+            {
+                view.mByteOffset -= length;
+            }
+        }
+    }
+}
+
 const Buffer& Buffer::operator=(const tinygltf::Buffer& src)
 {
     mData = src.data;
-- 
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