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- A savestate load is not a heavy scene: hold the dynamic-resolution level for the whole 2 s request and do not arm fast descent, which dropped 18x -> 11x within a second of every load and climbed back slowly. - gl_dxgi_present.c: present the present thread's frames through a DXGI FLIP_DISCARD swapchain via WGL_NV_DX_interop2 (Present(1,0), one frame per refresh). Opt-in (PSX_GL_DXGI_PRESENT=1): sharing the HWND with the GL window surface froze the screen in the first test; needs a child window before it can be default. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>