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authorAndrey Kleshchev <andreykproductengine@lindenlab.com>2020-11-19 16:56:10 +0000
committerAndrey Kleshchev <andreykproductengine@lindenlab.com>2020-11-19 16:56:10 +0000
commita55ec705855d169e953cec10b42b156a3423fd94 (patch)
tree7d6b471ce948c87397cc8f25f13732fb1d34f93d /indra/llwindow
parent12d2bf47865559a8da087f6e3bbb4b65d421169c (diff)
SL-14347 Crash at ChoosePixelFormat
Diffstat (limited to 'indra/llwindow')
-rw-r--r--indra/llwindow/llwindowwin32.cpp34
1 files changed, 24 insertions, 10 deletions
diff --git a/indra/llwindow/llwindowwin32.cpp b/indra/llwindow/llwindowwin32.cpp
index a541e06c93..28e835a5fa 100644
--- a/indra/llwindow/llwindowwin32.cpp
+++ b/indra/llwindow/llwindowwin32.cpp
@@ -461,7 +461,8 @@ LLWindowWin32::LLWindowWin32(LLWindowCallbacks* callbacks,
memset(mCurrentGammaRamp, 0, sizeof(mCurrentGammaRamp));
memset(mPrevGammaRamp, 0, sizeof(mPrevGammaRamp));
mCustomGammaSet = FALSE;
-
+ mWindowHandle = NULL;
+
if (!SystemParametersInfo(SPI_GETMOUSEVANISH, 0, &mMouseVanish, 0))
{
mMouseVanish = TRUE;
@@ -1171,7 +1172,7 @@ BOOL LLWindowWin32::switchContext(BOOL fullscreen, const LLCoordScreen &size, BO
<< " Height: " << (window_rect.bottom - window_rect.top)
<< " Fullscreen: " << mFullscreen
<< LL_ENDL;
- if (!destroy_window_handler(mWindowHandle))
+ if (mWindowHandle && !destroy_window_handler(mWindowHandle))
{
LL_WARNS("Window") << "Failed to properly close window before recreating it!" << LL_ENDL;
}
@@ -1230,13 +1231,26 @@ BOOL LLWindowWin32::switchContext(BOOL fullscreen, const LLCoordScreen &size, BO
LL_INFOS("Window") << "Device context retrieved." << LL_ENDL ;
- if (!(pixel_format = ChoosePixelFormat(mhDC, &pfd)))
- {
- close();
- OSMessageBox(mCallbacks->translateString("MBPixelFmtErr"),
- mCallbacks->translateString("MBError"), OSMB_OK);
- return FALSE;
- }
+ try
+ {
+ // Looks like ChoosePixelFormat can crash in case of faulty driver
+ if (!(pixel_format = ChoosePixelFormat(mhDC, &pfd)))
+ {
+ LL_WARNS("Window") << "ChoosePixelFormat failed, code: " << GetLastError() << LL_ENDL;
+ OSMessageBox(mCallbacks->translateString("MBPixelFmtErr"),
+ mCallbacks->translateString("MBError"), OSMB_OK);
+ close();
+ return FALSE;
+ }
+ }
+ catch (...)
+ {
+ LL_WARNS("Window") << "ChoosePixelFormat failed." << LL_ENDL;
+ OSMessageBox(mCallbacks->translateString("MBPixelFmtErr"),
+ mCallbacks->translateString("MBError"), OSMB_OK);
+ close();
+ return FALSE;
+ }
LL_INFOS("Window") << "Pixel format chosen." << LL_ENDL ;
@@ -1496,7 +1510,7 @@ BOOL LLWindowWin32::switchContext(BOOL fullscreen, const LLCoordScreen &size, BO
}
// Destroy The Window
- if (!destroy_window_handler(mWindowHandle))
+ if (mWindowHandle && !destroy_window_handler(mWindowHandle))
{
LL_WARNS("Window") << "Failed to properly close window!" << LL_ENDL;
}