From a79ee94fc488920d7e8eb9a4600f4003eeafb03c Mon Sep 17 00:00:00 2001
From: ocornut <omarcornut@gmail.com>
Date: Thu, 30 Jul 2015 20:59:41 -0600
Subject: [PATCH] Removed unnecessary assignment + added comment

---
 imgui.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/imgui.cpp b/imgui.cpp
index 19c65ccb..994983f8 100644
--- a/imgui.cpp
+++ b/imgui.cpp
@@ -9197,6 +9197,7 @@ void ImDrawList::PopTextureID()
     UpdateTextureID();
 }
 
+// NB: this can be called with negative count for removing primitives (as long as the result does not underflow)
 void ImDrawList::PrimReserve(int idx_count, int vtx_count)
 {
     ImDrawCmd& draw_cmd = CmdBuffer.Data[CmdBuffer.Size-1];
@@ -9629,7 +9630,6 @@ void ImDrawList::AddText(const ImFont* font, float font_size, const ImVec2& pos,
     CmdBuffer.back().ElemCount -= idx_unused;
     _VtxWritePtr -= vtx_unused;
     _IdxWritePtr -= idx_unused;
-    _VtxCurrentIdx = (ImDrawIdx)VtxBuffer.Size;
 }
 
 // This is one of the few function breaking the encapsulation of ImDrawLst, but it is just so useful.