From e8ca8161c857c14bee60451b6301afd10c71f6fc Mon Sep 17 00:00:00 2001
From: BZLZHH <admin@bzlzhh.top>
Date: Fri, 20 Jun 2025 12:48:35 +0800
Subject: [PATCH] [Fix] (Diligent/Shader): Do not delete the Diligent shader
 obj when glDeleteShader is called.

---
 MG/MG_GL/Implementations/GL/Program/GL_Program.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/MG/MG_GL/Implementations/GL/Program/GL_Program.cpp b/MG/MG_GL/Implementations/GL/Program/GL_Program.cpp
index 3ed7db7e..e861008e 100644
--- a/MG/MG_GL/Implementations/GL/Program/GL_Program.cpp
+++ b/MG/MG_GL/Implementations/GL/Program/GL_Program.cpp
@@ -223,6 +223,8 @@ namespace MG_GL::GL {
         MG_Util::Debug::LogD("glDeleteShader, shader: %u", shader);
         GLenum result = MG_State::DeleteShader(shader);
         if (result == GL_NO_ERROR) {
+            // Do not delete the shader object since it may be used in glDraw*.
+            /*
             auto it = MG_Diligent::g_ShaderMap.find(shader);
             if (it != MG_Diligent::g_ShaderMap.end()) {
                 if (it->second) {
@@ -231,6 +233,7 @@ namespace MG_GL::GL {
                 MG_Diligent::g_ShaderMap.erase(it);
             }
             return;
+            */
         }
         MG_State::SetError(result);
         MG_Util::Debug::LogE("Error deleting shader: %s", MG_Util::Debug::GLEnumToString(result));