diff options
| author | Qt Continuous Integration System <qt-info@nokia.com> | 2011-04-28 02:09:29 +1000 |
|---|---|---|
| committer | Qt Continuous Integration System <qt-info@nokia.com> | 2011-04-28 02:09:29 +1000 |
| commit | 5159920a3bd2ab75035fd130a3b840cd856021bd (patch) | |
| tree | f37d2126422fac3fb75a2e11da43b52bb7d75120 /src/openvg | |
| parent | 896db169ea224deb96c59ce8af800d019de63f12 (diff) | |
| parent | fb8087d11c898dead021d5b51da7d2c5cb85842b (diff) | |
Merge branch 4.7 into qt-4.8-from-4.7
Diffstat (limited to 'src/openvg')
| -rw-r--r-- | src/openvg/qwindowsurface_vgegl.cpp | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/src/openvg/qwindowsurface_vgegl.cpp b/src/openvg/qwindowsurface_vgegl.cpp index 866453ff60..3205a1104b 100644 --- a/src/openvg/qwindowsurface_vgegl.cpp +++ b/src/openvg/qwindowsurface_vgegl.cpp @@ -269,19 +269,20 @@ static QEglContext *createContext(QPaintDevice *device) configProps.setPixelFormat(QImage::Format_ARGB32); // XXX configProps.setValue(EGL_ALPHA_MASK_SIZE, 1); #ifdef EGL_VG_ALPHA_FORMAT_PRE_BIT - configProps.setValue(EGL_SURFACE_TYPE, EGL_WINDOW_BIT | - EGL_VG_ALPHA_FORMAT_PRE_BIT); + configProps.setValue(EGL_SURFACE_TYPE, EGL_WINDOW_BIT + | EGL_SWAP_BEHAVIOR_PRESERVED_BIT + | EGL_VG_ALPHA_FORMAT_PRE_BIT); configProps.setRenderableType(QEgl::OpenVG); if (!context->chooseConfig(configProps)) { // Try again without the "pre" bit. - configProps.setValue(EGL_SURFACE_TYPE, EGL_WINDOW_BIT); + configProps.setValue(EGL_SURFACE_TYPE, EGL_WINDOW_BIT | EGL_SWAP_BEHAVIOR_PRESERVED_BIT); if (!context->chooseConfig(configProps)) { delete context; return 0; } } #else - configProps.setValue(EGL_SURFACE_TYPE, EGL_WINDOW_BIT); + configProps.setValue(EGL_SURFACE_TYPE, EGL_WINDOW_BIT | EGL_SWAP_BEHAVIOR_PRESERVED_BIT); configProps.setRenderableType(QEgl::OpenVG); if (!context->chooseConfig(configProps)) { delete context; |