From 567f6731bcc92452841a2cd445c7f5917dca528e Mon Sep 17 00:00:00 2001
From: lh <2334563547@qq.com>
Date: Mon, 26 Oct 2026 10:35:13 +0800
Subject: [PATCH] =?UTF-8?q?fix(nm3d):=20=E9=81=BF=E5=85=8D=E5=8A=A8?=
 =?UTF-8?q?=E7=94=BB=E5=88=87=E5=B8=A7=E5=8F=8D=E5=A4=8D=E9=87=8D=E5=BB=BA?=
 =?UTF-8?q?=20OpenGL=20=E6=98=BE=E7=A4=BA=E5=88=97=E8=A1=A8?=
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为后处理结果网格启用即时绘制，缓解连续播放时的内存增长。
---
 Src/nmNum/nmSubWxs/nmPebiResultSceneController.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Src/nmNum/nmSubWxs/nmPebiResultSceneController.cpp b/Src/nmNum/nmSubWxs/nmPebiResultSceneController.cpp
index 990f517e..bba5d943 100644
--- a/Src/nmNum/nmSubWxs/nmPebiResultSceneController.cpp
+++ b/Src/nmNum/nmSubWxs/nmPebiResultSceneController.cpp
@@ -23,6 +23,7 @@
 #include <vtkCellData.h>
 #include <vtkDataArray.h>
 #include <vtkDataSet.h>
+#include <vtkDataSetMapper.h>
 #include <vtkLookupTable.h>
 #include <vtkMath.h>
 #include <vtkProperty.h>
@@ -345,6 +346,10 @@ public:
                 return false;
             }
             m_pMeshLayer = pLayer;
+            // 切帧会使旧 OpenGL 后端重建显示列表；部分驱动在此路径上
+            // 持续保留内存。结果网格直接绘制，避免逐帧编译显示列表。
+            // 必须设置具体 Mapper，全局开关不会刷新已缓存的绘制配置。
+            m_pMeshLayer->getMapper()->ImmediateModeRenderingOn();
             bCreatedMesh = true;
             m_pMeshLayer->getActor()->GetProperty()->SetEdgeColor(
                         0.0, 0.0, 0.0);