diff options
Diffstat (limited to 'src/core/ozone/gl_share_context_qt.cpp')
| -rw-r--r-- | src/core/ozone/gl_share_context_qt.cpp | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/src/core/ozone/gl_share_context_qt.cpp b/src/core/ozone/gl_share_context_qt.cpp new file mode 100644 index 000000000..669652057 --- /dev/null +++ b/src/core/ozone/gl_share_context_qt.cpp @@ -0,0 +1,110 @@ +/**************************************************************************** +** +** Copyright (C) 2020 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the QtWebEngine 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. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "gl_share_context_qt.h" +#include <QtGui/qtgui-config.h> +#include <qpa/qplatformnativeinterface.h> +#include <QtGui/qopenglcontext_platform.h> +#if defined(Q_OS_MACOS) +#include "macos_context_type_helper.h" +#endif +#if QT_CONFIG(opengl) +#include <QOpenGLContext> +#include <QOpenGLExtraFunctions> +#endif + +namespace QtWebEngineCore { + +QtShareGLContext::QtShareGLContext(QOpenGLContext *qtContext) + : gl::GLContext(nullptr), m_handle(nullptr) +{ +#if QT_CONFIG(opengl) + QOpenGLContext *context = QOpenGLContext::globalShareContext(); +#if defined(Q_OS_MACOS) + auto *ctx = context->platformInterface<QPlatformInterface::QCocoaGLContext>(); + if (ctx) + m_handle = cglContext(ctx->nativeContext()); +#endif +#if defined(Q_OS_WIN) + auto *ctx = context->platformInterface<QPlatformInterface::QWGLContext>(); +#endif +#if defined(Q_OS_LINUX) + auto *ctx = context->platformInterface<QPlatformInterface::QGLXContext>(); +#endif + if (ctx && !m_handle) + m_handle = (void *)ctx->nativeContext(); +#if QT_CONFIG(egl) + if (!m_handle) { + auto *ctx = context->platformInterface<QPlatformInterface::QEGLContext>(); + if (ctx) + m_handle = (void *)ctx->nativeContext(); + } +#endif + if (!m_handle) + qFatal("Could not get handle for shared contex"); +#endif // QT_CONFIG(opengl) +} + +unsigned int QtShareGLContext::CheckStickyGraphicsResetStatus() +{ +#if QT_CONFIG(opengl) + if (QOpenGLContext *context = QOpenGLContext::globalShareContext()) { + if (context->format().testOption(QSurfaceFormat::ResetNotification)) + return context->extraFunctions()->glGetGraphicsResetStatus(); + } +#endif + return 0 /*GL_NO_ERROR*/; +} + +void ShareGroupQt::AboutToAddFirstContext() +{ +#if QT_CONFIG(opengl) + // This currently has to be setup by ::main in all applications using QQuickWebEngineView with + // delegated rendering. + QOpenGLContext *shareContext = QOpenGLContext::globalShareContext(); + if (!shareContext) { + qFatal("QWebEngine: OpenGL resource sharing is not set up in QtQuick. Please make sure to " + "call QtWebEngine::initialize() in your main() function before QCoreApplication is " + "created."); + } + m_shareContextQt = new QtShareGLContext(shareContext); +#endif +} + +} // namespace |