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-rw-r--r--src/gui/opengl/platform/egl/qeglpbuffer.cpp49
1 files changed, 2 insertions, 47 deletions
diff --git a/src/gui/opengl/platform/egl/qeglpbuffer.cpp b/src/gui/opengl/platform/egl/qeglpbuffer.cpp
index 55e199a6ad..6a79d88f8c 100644
--- a/src/gui/opengl/platform/egl/qeglpbuffer.cpp
+++ b/src/gui/opengl/platform/egl/qeglpbuffer.cpp
@@ -1,41 +1,5 @@
-/****************************************************************************
-**
-** Copyright (C) 2020 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the QtGui module of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** Commercial License Usage
-** Licensees holding valid commercial Qt licenses may use this file in
-** accordance with the commercial license agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and The Qt Company. For licensing terms
-** and conditions see https://www.qt.io/terms-conditions. For further
-** information use the contact form at https://www.qt.io/contact-us.
-**
-** GNU Lesser General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU Lesser
-** General Public License version 3 as published by the Free Software
-** Foundation and appearing in the file LICENSE.LGPL3 included in the
-** packaging of this file. Please review the following information to
-** ensure the GNU Lesser General Public License version 3 requirements
-** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU
-** General Public License version 2.0 or (at your option) the GNU General
-** Public license version 3 or any later version approved by the KDE Free
-** Qt Foundation. The licenses are as published by the Free Software
-** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
-** included in the packaging of this file. Please review the following
-** information to ensure the GNU General Public License requirements will
-** be met: https://www.gnu.org/licenses/gpl-2.0.html and
-** https://www.gnu.org/licenses/gpl-3.0.html.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
+// Copyright (C) 2020 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include <QtGui/qoffscreensurface.h>
#include "qeglpbuffer_p.h"
@@ -65,15 +29,6 @@ QEGLPbuffer::QEGLPbuffer(EGLDisplay display, const QSurfaceFormat &format, QOffs
m_hasSurfaceless = !flags.testFlag(QEGLPlatformContext::NoSurfaceless)
&& q_hasEglExtension(display, "EGL_KHR_surfaceless_context");
- // Disable surfaceless contexts on Mesa for now. As of 10.6.0 and Intel at least, some
- // operations (glReadPixels) are unable to work without a surface since they at some
- // point temporarily unbind the current FBO and then later blow up in some seemingly
- // safe operations, like setting the viewport, that apparently need access to the
- // read/draw surface in the Intel backend.
- const char *vendor = eglQueryString(display, EGL_VENDOR); // hard to check for GL_ strings here, so blacklist all Mesa
- if (vendor && strstr(vendor, "Mesa"))
- m_hasSurfaceless = false;
-
if (m_hasSurfaceless)
return;