diff options
| -rw-r--r-- | src/opengl/qgl_x11egl.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/opengl/qgl_x11egl.cpp b/src/opengl/qgl_x11egl.cpp index b10e7e9..19026b3 100644 --- a/src/opengl/qgl_x11egl.cpp +++ b/src/opengl/qgl_x11egl.cpp @@ -336,7 +336,7 @@ void QGLWidget::setContext(QGLContext *context, const QGLContext* shareContext, // If the application has set WA_TranslucentBackground and not explicitly set // the alpha buffer size to zero, modify the format so it have an alpha channel QGLFormat& fmt = d->glcx->d_func()->glFormat; - const bool tryArgbVisual = testAttribute(Qt::WA_TranslucentBackground); + const bool tryArgbVisual = testAttribute(Qt::WA_TranslucentBackground) || fmt.alpha(); if (tryArgbVisual && fmt.alphaBufferSize() == -1) fmt.setAlphaBufferSize(1); |