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

This commit is contained in:
ocornut
2025-09-18 16:22:24 +02:00
parent 0e7cd694eb
commit d4f722d5b2
21 changed files with 95 additions and 2 deletions

View File

@@ -24,6 +24,7 @@
// - Introduction, links and more at the top of imgui.cpp
// CHANGELOG
// 2025-09-18: Call platform_io.ClearRendererHandlers() on shutdown.
// 2025-06-11: Added support for ImGuiBackendFlags_RendererHasTextures, for dynamic font atlas. Removed ImGui_ImplSDLRenderer3_CreateFontsTexture() and ImGui_ImplSDLRenderer3_DestroyFontsTexture().
// 2025-01-18: Use endian-dependent RGBA32 texture format, to match SDL_Color.
// 2024-10-09: Expose selected render state in ImGui_ImplSDLRenderer3_RenderState, which you can access in 'void* platform_io.Renderer_RenderState' during draw callbacks.
@@ -92,12 +93,14 @@ void ImGui_ImplSDLRenderer3_Shutdown()
ImGui_ImplSDLRenderer3_Data* bd = ImGui_ImplSDLRenderer3_GetBackendData();
IM_ASSERT(bd != nullptr && "No renderer backend to shutdown, or already shutdown?");
ImGuiIO& io = ImGui::GetIO();
ImGuiPlatformIO& platform_io = ImGui::GetPlatformIO();
ImGui_ImplSDLRenderer3_DestroyDeviceObjects();
io.BackendRendererName = nullptr;
io.BackendRendererUserData = nullptr;
io.BackendFlags &= ~(ImGuiBackendFlags_RendererHasVtxOffset | ImGuiBackendFlags_RendererHasTextures);
platform_io.ClearRendererHandlers();
IM_DELETE(bd);
}