Backends: clear bits set in io.BackendFlags on backend Shutdown(). Clear BackendPlatformName. (#6334, #6335)

Amended with fix for missing clear for ImGuiBackendFlags_HasGamepad.
2023-04-17 14:57:12 +02:00
parent f304603e13
commit 055e71518e
18 changed files with 34 additions and 1 deletions
@@ -135,6 +135,12 @@ bool ImGui_ImplMetal_Init(id<MTLDevice> device)

 void ImGui_ImplMetal_Shutdown()
 {
+    ImGui_ImplMetal_Data* bd = ImGui_ImplMetal_GetBackendData();
+    IM_ASSERT(bd != nullptr && "No renderer backend to shutdown, or already shutdown?");
+    ImGuiIO& io = ImGui::GetIO();
+    io.BackendRendererName = nullptr;
+    io.BackendRendererUserData = nullptr;
+    io.BackendFlags &= ~ImGuiBackendFlags_RendererHasVtxOffset;
    ImGui_ImplMetal_DestroyDeviceObjects();
    ImGui_ImplMetal_DestroyBackendData();
 }