From d3b94dd1c6a1cd6f8ad0e2b701f26748943a6d27 Mon Sep 17 00:00:00 2001
From: BZLZHH <admin@bzlzhh.top>
Date: Sat, 21 Jun 2025 12:24:02 +0800
Subject: [PATCH] [Fix] (Diligent/Drawing): Set IBO in
 glMultiDrawElementsBaseVertex.

---
 MG/MG_GL/Implementations/GL/Drawing/GL_Drawing.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/MG/MG_GL/Implementations/GL/Drawing/GL_Drawing.cpp b/MG/MG_GL/Implementations/GL/Drawing/GL_Drawing.cpp
index 3556de33..0a626472 100644
--- a/MG/MG_GL/Implementations/GL/Drawing/GL_Drawing.cpp
+++ b/MG/MG_GL/Implementations/GL/Drawing/GL_Drawing.cpp
@@ -841,6 +841,12 @@ namespace MG_GL::GL {
             return;
         }
 
+        MG_Diligent::g_pContext->SetIndexBuffer(
+                pIndexBuffer,
+                0,
+                Diligent::RESOURCE_STATE_TRANSITION_MODE_TRANSITION
+        );
+
         std::vector<Diligent::MultiDrawIndexedItem> drawItems;
         drawItems.reserve(drawcount);