diff options
Diffstat (limited to 'src/platformsupport/eglconvenience/qeglpbuffer.cpp')
| -rw-r--r-- | src/platformsupport/eglconvenience/qeglpbuffer.cpp | 108 |
1 files changed, 0 insertions, 108 deletions
diff --git a/src/platformsupport/eglconvenience/qeglpbuffer.cpp b/src/platformsupport/eglconvenience/qeglpbuffer.cpp deleted file mode 100644 index 15fc089778..0000000000 --- a/src/platformsupport/eglconvenience/qeglpbuffer.cpp +++ /dev/null @@ -1,108 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the plugins 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. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include <QtGui/QOffscreenSurface> -#include "qeglpbuffer_p.h" -#include "qeglconvenience_p.h" - -QT_BEGIN_NAMESPACE - -/*! - \class QEGLPbuffer - \brief A pbuffer-based implementation of QPlatformOffscreenSurface for EGL. - \since 5.2 - \internal - \ingroup qpa - - To use this implementation in the platform plugin simply - reimplement QPlatformIntegration::createPlatformOffscreenSurface() - and return a new instance of this class. -*/ - -QEGLPbuffer::QEGLPbuffer(EGLDisplay display, const QSurfaceFormat &format, QOffscreenSurface *offscreenSurface, - QEGLPlatformContext::Flags flags) - : QPlatformOffscreenSurface(offscreenSurface) - , m_format(format) - , m_display(display) - , m_pbuffer(EGL_NO_SURFACE) -{ - 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; - - EGLConfig config = q_configFromGLFormat(m_display, m_format, false, EGL_PBUFFER_BIT); - - if (config) { - const EGLint attributes[] = { - EGL_WIDTH, offscreenSurface->size().width(), - EGL_HEIGHT, offscreenSurface->size().height(), - EGL_LARGEST_PBUFFER, EGL_FALSE, - EGL_NONE - }; - - m_pbuffer = eglCreatePbufferSurface(m_display, config, attributes); - - if (m_pbuffer != EGL_NO_SURFACE) - m_format = q_glFormatFromConfig(m_display, config); - } -} - -QEGLPbuffer::~QEGLPbuffer() -{ - if (m_pbuffer != EGL_NO_SURFACE) - eglDestroySurface(m_display, m_pbuffer); -} - -bool QEGLPbuffer::isValid() const -{ - return m_pbuffer != EGL_NO_SURFACE || m_hasSurfaceless; -} - -QT_END_NAMESPACE |