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drmext
4c73200f58
## Description of change **Configurator (spicecfg.exe)** - Attempts to create a D3D9 device on startup and uses the hardware ImGui DX9 path when successful; falls back to the existing software rasterizer automatically if D3D9 init fails. - Rewrites the configurator window loop: refresh-rate-aware render timer, minimize/resize/`WM_DISPLAYCHANGE` handling, direct Win32 -> ImGui input (keyboard, mouse, wheel), and optimized software painting via `SetDIBitsToDevice` instead of per-frame GDI `HBITMAP` allocation. **Overlay / input (scoped to standalone configurator)** - Skips expensive per-frame rawinput polling in `ImGui_ImplSpice_NewFrame` when `CONFIGURATOR_STANDALONE` is set (Win32 messages drive input instead). - Adds software-renderer idle-frame detection (`sw_pixels_dirty` + draw-data hash) so spicecfg only repaints when pixels actually change. - Adds `ImGuiWindowFlags_NoScrollWithMouse` on the configurator root window to prevent scroll jolt on non-scrollable child widgets.