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hw/xwin: Ignore WM_DISPLAYCHANGE messages with 0 bpp

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Ignore WM_DISPLAYCHANGE messages which indicate bpp is changing to 0.
That has no defined meaning I can find, but some graphics card drivers
appear to generate it on suspend/resume or screensaver activate/deactivate.

Signed-off-by: Colin Harrison <colin.harrison@virgin.net>
Reviewed-by: Jon TURNEY <jon.turney@dronecode.org.uk>
This commit is contained in:
Colin Harrison 2012-01-25 01:37:16 +00:00 • committed by Jon TURNEY
parent bea6fb6c7a
commit ced9db6595
1 changed files with 4 additions and 0 deletions
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4
hw/xwin/winwndproc.c
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@ -182,6 +182,10 @@ winWindowProc (HWND hwnd, UINT message,
"new height: %d new bpp: %d\n",
LOWORD (lParam), HIWORD (lParam), wParam);
/* 0 bpp has no defined meaning, ignore this message */
if (wParam == 0)
break;
/*
* Check for a disruptive change in depth.
* We can only display a message for a disruptive depth change,