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// 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 "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 *context)
: gl::GLContext(nullptr), m_handle(nullptr)
{
#if QT_CONFIG(opengl)
#if defined(Q_OS_MACOS)
auto *mac_ctx = context->nativeInterface<QNativeInterface::QCocoaGLContext>();
if (mac_ctx)
m_handle = cglContext(mac_ctx->nativeContext());
#endif
#if defined(Q_OS_WIN)
auto *win_ctx = context->nativeInterface<QNativeInterface::QWGLContext>();
if (win_ctx && !m_handle)
m_handle = (void *)win_ctx->nativeContext();
#endif
#if QT_CONFIG(xcb_glx_plugin)
auto *glx_ctx = context->nativeInterface<QNativeInterface::QGLXContext>();
if (glx_ctx && !m_handle)
m_handle = (void *)glx_ctx->nativeContext();
#endif
#if QT_CONFIG(egl)
auto *egl_ctx = context->nativeInterface<QNativeInterface::QEGLContext>();
if (egl_ctx && !m_handle)
m_handle = (void *)egl_ctx->nativeContext();
#endif
if (!m_handle)
qFatal("Could not get handle for shared contex");
#endif // QT_CONFIG(opengl)
}
unsigned int QtShareGLContext::CheckStickyGraphicsResetStatusImpl()
{
#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 QtWebEngineCore::initialize() in your main() function before QCoreApplication is "
"created.");
}
m_shareContextQt = new QtShareGLContext(shareContext);
#endif
}
} // namespace
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