diff options
| -rw-r--r-- | src/plugins/platforms/windows/qwindowswindow.cpp | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/src/plugins/platforms/windows/qwindowswindow.cpp b/src/plugins/platforms/windows/qwindowswindow.cpp index 2875463e62..d4effde52d 100644 --- a/src/plugins/platforms/windows/qwindowswindow.cpp +++ b/src/plugins/platforms/windows/qwindowswindow.cpp @@ -1616,6 +1616,16 @@ static inline bool dwmIsCompositionEnabled() return SUCCEEDED(DwmIsCompositionEnabled(&dWmCompositionEnabled)) && dWmCompositionEnabled == TRUE; } +static inline bool isSoftwareGl() +{ +#if QT_CONFIG(dynamicgl) + return QOpenGLStaticContext::opengl32.moduleIsNotOpengl32() + && QOpenGLContext::openGLModuleType() == QOpenGLContext::LibGL; +#else + return false; +#endif // dynamicgl +} + bool QWindowsWindow::handleWmPaint(HWND hwnd, UINT message, WPARAM, LPARAM) { @@ -1627,15 +1637,10 @@ bool QWindowsWindow::handleWmPaint(HWND hwnd, UINT message, return false; PAINTSTRUCT ps; -#if QT_CONFIG(dynamicgl) - // QTBUG-58178: GL software rendering needs InvalidateRect() to suppress - // artifacts while resizing. - if (testFlag(OpenGLSurface) - && QOpenGLStaticContext::opengl32.moduleIsNotOpengl32() - && QOpenGLContext::openGLModuleType() == QOpenGLContext::LibGL) { + // GL software rendering (QTBUG-58178) and Windows 7/Aero off with some AMD cards + // (QTBUG-60527) need InvalidateRect() to suppress artifacts while resizing. + if (testFlag(OpenGLSurface) && (isSoftwareGl() || !dwmIsCompositionEnabled())) InvalidateRect(hwnd, 0, false); - } -#endif // dynamicgl BeginPaint(hwnd, &ps); |