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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_dx10.cpp
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@@ -16,6 +16,7 @@
// CHANGELOG
// (minor and older changes stripped away, please see git history for details)
// 2025-09-18: Call platform_io.ClearRendererHandlers() on shutdown.
// 2025-06-11: DirectX10: Added support for ImGuiBackendFlags_RendererHasTextures, for dynamic font atlas.
// 2025-05-07: DirectX10: 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).
// 2025-01-06: DirectX10: Expose selected render state in ImGui_ImplDX10_RenderState, which you can access in 'void* platform_io.Renderer_RenderState' during draw callbacks.
@@ -630,13 +631,16 @@ void ImGui_ImplDX10_Shutdown()
ImGui_ImplDX10_Data* bd = ImGui_ImplDX10_GetBackendData();
IM_ASSERT(bd != nullptr && "No renderer backend to shutdown, or already shutdown?");
ImGuiIO& io = ImGui::GetIO();
ImGuiPlatformIO& platform_io = ImGui::GetPlatformIO();
ImGui_ImplDX10_InvalidateDeviceObjects();
if (bd->pFactory) { bd->pFactory->Release(); }
if (bd->pd3dDevice) { bd->pd3dDevice->Release(); }
io.BackendRendererName = nullptr;
io.BackendRendererUserData = nullptr;
io.BackendFlags &= ~(ImGuiBackendFlags_RendererHasVtxOffset | ImGuiBackendFlags_RendererHasTextures);
platform_io.ClearRendererHandlers();
IM_DELETE(bd);
}