diff options
Diffstat (limited to 'src/plugins/platforms/cocoa/qcocoaglcontext.mm')
| -rw-r--r-- | src/plugins/platforms/cocoa/qcocoaglcontext.mm | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/plugins/platforms/cocoa/qcocoaglcontext.mm b/src/plugins/platforms/cocoa/qcocoaglcontext.mm index d9bb9c60a9..99956a0b60 100644 --- a/src/plugins/platforms/cocoa/qcocoaglcontext.mm +++ b/src/plugins/platforms/cocoa/qcocoaglcontext.mm @@ -114,6 +114,18 @@ void QCocoaGLContext::setActiveWindow(QWindow *window) cocoaWindow->setCurrentContext(this); [(QNSView *) cocoaWindow->contentView() setQCocoaGLContext:this]; + + // Enable high-dpi OpenGL for retina displays. Enabling has the side + // effect that Cooca will start calling glViewport(0, 0, width, height), + // overriding any glViewport calls in application code. This is usually not a + // problem, except if the applcation wants to have a "custom" viewport. + // (like the hellogl example) +#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_7 + if (QSysInfo::MacintoshVersion >= QSysInfo::MV_10_7) { + if (cocoaWindow->devicePixelRatio() > 1) + [cocoaWindow->contentView() setWantsBestResolutionOpenGLSurface:YES]; + } +#endif } void QCocoaGLContext::doneCurrent() |