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IO: added ImGuiPlatformIO::ClearPlatformHandlers(), ClearRendererHandlers(). Backends: call those on Shutdown(). (#8945, #2769)

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ocornut
2025-09-18 16:22:24 +02:00
parent 0e7cd694eb
commit d4f722d5b2
21 changed files with 95 additions and 2 deletions
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4
backends/imgui_impl_dx12.cpp
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@@ -20,6 +20,7 @@
// CHANGELOG
// (minor and older changes stripped away, please see git history for details)
// 2025-09-18: Call platform_io.ClearRendererHandlers() on shutdown.
// 2025-06-19: Fixed build on MinGW. (#8702, #4594)
// 2025-06-11: DirectX12: Added support for ImGuiBackendFlags_RendererHasTextures, for dynamic font atlas.
// 2025-05-07: DirectX12: Honor draw_data->FramebufferScale to allow for custom backends and experiment using it (consistently with other renderer backends, even though in normal condition it is not set under Windows).
@@ -905,14 +906,15 @@ void ImGui_ImplDX12_Shutdown()
ImGui_ImplDX12_Data* bd = ImGui_ImplDX12_GetBackendData();
IM_ASSERT(bd != nullptr && "No renderer backend to shutdown, or already shutdown?");
ImGuiIO& io = ImGui::GetIO();
ImGuiPlatformIO& platform_io = ImGui::GetPlatformIO();
// Clean up windows and device objects
ImGui_ImplDX12_InvalidateDeviceObjects();
delete[] bd->pFrameResources;
io.BackendRendererName = nullptr;
io.BackendRendererUserData = nullptr;
io.BackendFlags &= ~(ImGuiBackendFlags_RendererHasVtxOffset | ImGuiBackendFlags_RendererHasTextures);
platform_io.ClearRendererHandlers();
IM_DELETE(bd);
}