Make it possible to set the EGL_DEFAULT_DISPLAY

Change-Id: I564f1ce72501bc12b960c87c953343fd64ee9011 Reviewed-by: Laszlo Agocs <[email protected]>
zoldalis · Mar 13, 2020 · 20f7e18 · 20f7e18
1 parent ef5c747
commit 20f7e18
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/src/plugins/platforms/eglfs/api/qeglfsdeviceintegration.cpp b/src/plugins/platforms/eglfs/api/qeglfsdeviceintegration.cpp
@@ -185,7 +185,9 @@ void QEglFSDeviceIntegration::platformDestroy()
 
 EGLNativeDisplayType QEglFSDeviceIntegration::platformDisplay() const
 {
-    return EGL_DEFAULT_DISPLAY;
+    bool displayOk;
+    const int defaultDisplay = qEnvironmentVariableIntValue("QT_QPA_EGLFS_DEFAULT_DISPLAY", &displayOk);
+    return displayOk ? EGLNativeDisplayType(quintptr(defaultDisplay)) : EGL_DEFAULT_DISPLAY;
 }
 
 EGLDisplay QEglFSDeviceIntegration::createDisplay(EGLNativeDisplayType nativeDisplay)