From 6b29466ed7b5328ee61c1751bd4efb72f70946d3 Mon Sep 17 00:00:00 2001 From: Tom Cooksey Date: Tue, 15 Dec 2009 17:26:37 +0100 Subject: [PATCH 1115/1244] Fix QGLWidgets created with an alpha channel on X11/EGL If the QGLWidget's QGLFormat says it should have an alpha channel, try to find an ARGB Visual. Reviewed-By: Trond Task-number: QT-2602 --- 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); -- 1.6.5