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authorColin Harrison <colin.harrison@virgin.net>2012-01-25 01:37:16 +0000
committerJon TURNEY <jon.turney@dronecode.org.uk>2012-01-26 14:45:02 +0000
commitced9db65950e402d7ddc663225b888e8482b8c57 (patch)
tree6ac457c951c48128c6bd1ed381d278813912fcf4
parentbea6fb6c7af551778cfe1c0e8412ef4ccf560808 (diff)
hw/xwin: Ignore WM_DISPLAYCHANGE messages with 0 bpp
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>
-rw-r--r--hw/xwin/winwndproc.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/hw/xwin/winwndproc.c b/hw/xwin/winwndproc.c
index ae284b7ad..88b506891 100644
--- a/hw/xwin/winwndproc.c
+++ b/hw/xwin/winwndproc.c
@@ -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,