Move HWND render target creation to WM_CREATE. #916
Merged
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This PR should help with the initial white flash reported in #914. On my Windows 7 desktop I measured the HWND render target creation at 39ms. This is definitely too long to lazily create in
WM_PAINT
so I moved it toWM_CREATE
.Even if it doesn't fully fix the white flash, it cuts down the first frame time by 39ms on my machine, so it's worth a merge regardless.
I left the check in
WM_PAINT
intact, because there are failure paths with dcomp that may need it.