Additional check and clear

Tencent · Mar 1, 2024 · 91ed90b · 91ed90b
1 parent 5f9264c
commit 91ed90b
Showing 1 changed file with 7 additions and 1 deletion.
diff --git a/src/gpu.cpp b/src/gpu.cpp
@@ -2094,7 +2094,10 @@ void destroy_gpu_instance()
     // NCNN_LOGE("destroy_gpu_instance");
 
     if (g_instance.glslang_initialized)
+    {
         glslang::FinalizeProcess();
+        g_instance.glslang_initialized = false;
+    }
 
     for (int i = 0; i < NCNN_MAX_GPU_COUNT; i++)
     {
@@ -2106,15 +2109,18 @@ void destroy_gpu_instance()
     }
 
 #if ENABLE_VALIDATION_LAYER
-    if (support_VK_EXT_debug_utils)
+    if (support_VK_EXT_debug_utils && g_instance.callback)
     {
         DestroyDebugUtilsMessengerEXT(g_instance, g_instance.callback, NULL);
         g_instance.callback = 0;
     }
 #endif // ENABLE_VALIDATION_LAYER
 
     if (vkDestroyInstance)
+    {
         vkDestroyInstance(g_instance, 0);
+        vkDestroyInstance = 0;
+    }
 
     g_instance.instance = 0;