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

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# Conflicts:
#	backends/imgui_impl_dx10.cpp
#	backends/imgui_impl_dx11.cpp
#	backends/imgui_impl_dx12.cpp
#	backends/imgui_impl_dx9.cpp
#	backends/imgui_impl_glfw.cpp
#	backends/imgui_impl_metal.mm
#	backends/imgui_impl_opengl2.cpp
#	backends/imgui_impl_opengl3.cpp
#	backends/imgui_impl_osx.mm
#	backends/imgui_impl_sdl2.cpp
#	backends/imgui_impl_sdl3.cpp
#	backends/imgui_impl_sdlgpu3.cpp
#	backends/imgui_impl_vulkan.cpp
#	backends/imgui_impl_win32.cpp
#	docs/CHANGELOG.txt
#	imgui.h
This commit is contained in:
ocornut
2025-09-18 16:22:24 +02:00
parent 3dd51651e3
commit aa9476a38a
21 changed files with 95 additions and 1 deletions
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3
backends/imgui_impl_dx12.cpp
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@@ -23,6 +23,7 @@
// CHANGELOG
// (minor and older changes stripped away, please see git history for details)
// 2025-XX-XX: Platform: Added support for multiple windows via the ImGuiPlatformIO interface.
// 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).
@@ -983,6 +984,7 @@ 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();
// Manually delete main viewport render resources in-case we haven't initialized for viewports
ImGuiViewport* main_viewport = ImGui::GetMainViewport();
@@ -1002,6 +1004,7 @@ void ImGui_ImplDX12_Shutdown()
io.BackendRendererName = nullptr;
io.BackendRendererUserData = nullptr;
io.BackendFlags &= ~(ImGuiBackendFlags_RendererHasVtxOffset | ImGuiBackendFlags_RendererHasTextures | ImGuiBackendFlags_RendererHasViewports);
platform_io.ClearRendererHandlers();
IM_DELETE(bd);
}