From 54653ea3163ce4f037a7e3dba2e234edf4628a4a Mon Sep 17 00:00:00 2001
From: Noisyfox <timemanager.rick@gmail.com>
Date: Sun, 16 Jun 2024 02:16:54 +0800
Subject: [PATCH] Fix crash caused by wrong pointer used after VtxBuffer
 resized during 3d navigator rendering (#5719)

---
 src/imguizmo/ImGuizmo.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/imguizmo/ImGuizmo.cpp b/src/imguizmo/ImGuizmo.cpp
index 26f4239d9d..1acf8b63e4 100644
--- a/src/imguizmo/ImGuizmo.cpp
+++ b/src/imguizmo/ImGuizmo.cpp
@@ -2941,7 +2941,7 @@ namespace IMGUIZMO_NAMESPACE
              if (iPass) {
                 // Draw face label
                 ImDrawList* drawList        = gContext.mDrawList;
-                ImDrawVert* vtx_write_start = drawList->_VtxWritePtr;
+                int         vtx_write_start = drawList->VtxBuffer.Size;
 
                 const auto label       = gContext.mStyle.FaceLabels[iFace];
                 ImVec2     labelSize   = ImGui::CalcTextSize(label);
@@ -2978,7 +2978,7 @@ namespace IMGUIZMO_NAMESPACE
                     break;
                 }
 
-                for (auto v = vtx_write_start; v < vtx_write_end; v++) {
+                for (auto v = (drawList->VtxBuffer.Data + vtx_write_start); v < vtx_write_end; v++) {
                     auto  pp = ((v->pos - labelOrigin) * scaleFactor * invert2 + ImVec2{0.5, 0.5}) * 2.f;
                     vec_t pt = tdx * pp.x + tdy * pp.y;
                     v->pos   = worldToPos((pt + origin) * 0.5 * invert, res, position, size);