diff options
Diffstat (limited to 'indra/llwindow/llwindowwin32.cpp')
| -rw-r--r-- | indra/llwindow/llwindowwin32.cpp | 49 |
1 files changed, 29 insertions, 20 deletions
diff --git a/indra/llwindow/llwindowwin32.cpp b/indra/llwindow/llwindowwin32.cpp index 6beb874e8c..e20c0e5c3f 100644 --- a/indra/llwindow/llwindowwin32.cpp +++ b/indra/llwindow/llwindowwin32.cpp @@ -904,21 +904,20 @@ void LLWindowWin32::close() // Restore gamma to the system values. restoreGamma(); - if (mhDC) - { - if (!ReleaseDC(mWindowHandle, mhDC)) - { - LL_WARNS("Window") << "Release of ghDC failed" << LL_ENDL; - } - mhDC = NULL; - } - LL_DEBUGS("Window") << "Destroying Window" << LL_ENDL; mWindowThread->post([=]() { if (IsWindow(mWindowHandle)) { + if (mhDC) + { + if (!ReleaseDC(mWindowHandle, mhDC)) + { + LL_WARNS("Window") << "Release of ghDC failed!" << LL_ENDL; + } + } + // Make sure we don't leave a blank toolbar button. ShowWindow(mWindowHandle, SW_HIDE); @@ -944,6 +943,7 @@ void LLWindowWin32::close() // Even though the above lambda might not yet have run, we've already // bound mWindowHandle into it by value, which should suffice for the // operations we're asking. That's the last time WE should touch it. + mhDC = NULL; mWindowHandle = NULL; mWindowThread->close(); } @@ -1536,12 +1536,10 @@ const S32 max_format = (S32)num_formats - 1; { wglDeleteContext (mhRC); // Release The Rendering Context mhRC = 0; // Zero The Rendering Context - } - ReleaseDC (mWindowHandle, mhDC); // Release The Device Context - mhDC = 0; // Zero The Device Context } + // will release and recreate mhDC, mWindowHandle recreateWindow(window_rect, dw_ex_style, dw_style); RECT rect; @@ -1691,7 +1689,8 @@ const S32 max_format = (S32)num_formats - 1; void LLWindowWin32::recreateWindow(RECT window_rect, DWORD dw_ex_style, DWORD dw_style) { - auto oldHandle = mWindowHandle; + auto oldWindowHandle = mWindowHandle; + auto oldDCHandle = mhDC; // zero out mWindowHandle and mhDC before destroying window so window // thread falls back to peekmessage @@ -1703,7 +1702,8 @@ void LLWindowWin32::recreateWindow(RECT window_rect, DWORD dw_ex_style, DWORD dw auto window_work = [this, self=mWindowThread, - oldHandle, + oldWindowHandle, + oldDCHandle, // bind CreateWindowEx() parameters by value instead of // back-referencing LLWindowWin32 members windowClassName=mWindowClassName, @@ -1719,11 +1719,20 @@ void LLWindowWin32::recreateWindow(RECT window_rect, DWORD dw_ex_style, DWORD dw self->mWindowHandle = 0; self->mhDC = 0; - // important to call DestroyWindow() from the window thread - if (oldHandle && !destroy_window_handler(oldHandle)) + if (oldWindowHandle) { - LL_WARNS("Window") << "Failed to properly close window before recreating it!" - << LL_ENDL; + if (oldDCHandle && !ReleaseDC(oldWindowHandle, oldDCHandle)) + { + LL_WARNS("Window") << "Failed to ReleaseDC" << LL_ENDL; + } + + // important to call DestroyWindow() from the window thread + if (!destroy_window_handler(oldWindowHandle)) + { + + LL_WARNS("Window") << "Failed to properly close window before recreating it!" + << LL_ENDL; + } } auto handle = CreateWindowEx(dw_ex_style, @@ -1761,7 +1770,7 @@ void LLWindowWin32::recreateWindow(RECT window_rect, DWORD dw_ex_style, DWORD dw }; // But how we pass window_work to the window thread depends on whether we // already have a window handle. - if (! oldHandle) + if (!oldWindowHandle) { // Pass window_work using the WorkQueue: without an existing window // handle, the window thread can't call GetMessage(). @@ -1774,7 +1783,7 @@ void LLWindowWin32::recreateWindow(RECT window_rect, DWORD dw_ex_style, DWORD dw // PostMessage(oldHandle) because oldHandle won't be destroyed until // the window thread has retrieved and executed window_work. LL_DEBUGS("Window") << "posting window_work to message queue" << LL_ENDL; - mWindowThread->Post(oldHandle, window_work); + mWindowThread->Post(oldWindowHandle, window_work); } auto future = promise.get_future(); |