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Date: Sat, 21 Mar 2009 19:41:52 -0700 (PDT)

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From: Mason Wheeler
Subject: [SDL] Critical SDL 1.3 patch

Displaying a window created with SDL_CreateWindowFrom was causing stack overf
lows for me under certain conditions.  After far too much work trying to get
Visual Studio's debugger to play nice with a program written in Delphi, I tra
cked it down to a nasty reentrancy cycle in the WndProc handling.  Here's a p
atch that fixes the problem
This commit is contained in:
Sam Lantinga 2009-03-23 02:02:30 +00:00
parent 983362f89f
commit 30371dcf49
1 changed files with 11 additions and 0 deletions
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11
src/video/win32/SDL_win32events.c
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@ -570,6 +570,17 @@ WIN_WindowProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
}
return (0);
/* If this isn't our window, we don't need to repaint the frame.
This fixes a reentrancy issue that can cause stack overflows with foreign windows.
3/21/09 Mason Wheeler */
case WM_NCPAINT:
{
if (SDL_GetWindowFlags(data->windowID) && SDL_WINDOW_FOREIGN) {
return(0);
}
break;
}
/* We'll do our own drawing, prevent flicker */
case WM_ERASEBKGND:
{