From e7f1106edb1ac37d92d7851c44cd8d99f68eaaf4 Mon Sep 17 00:00:00 2001
From: Friedemann Kleint <Friedemann.Kleint@nokia.com>
Date: Wed, 23 May 2012 15:07:06 +0200
Subject: Windows: Add ANGLE support.
MIME-Version: 1.0
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- Add QWindowsEGLContext usable for ANGLE and Windows CE.
- Add QWindowsEGLStaticContext containing the display
  for resource cleanup.
- Add EGLSurface to QWindowsWindow.
- Add a -angle option specifying the path to the external
  ANGLE installation to configure, add libraries to
  the mkspecs.

Initial-patch-by: Jabot Corentin <corentinjabot@gmail.com>

Task-number: QTBUG-24207

Change-Id: I5f80b1efb6996da7c5d70aa3720f7801c9e4c6af
Reviewed-by: Samuel Rødal <samuel.rodal@nokia.com>
Reviewed-by: Girish Ramakrishnan <girish.1.ramakrishnan@nokia.com>
---
 src/plugins/platforms/windows/qwindowseglcontext.h | 90 ++++++++++++++++++++++
 1 file changed, 90 insertions(+)
 create mode 100644 src/plugins/platforms/windows/qwindowseglcontext.h

(limited to 'src/plugins/platforms/windows/qwindowseglcontext.h')

diff --git a/src/plugins/platforms/windows/qwindowseglcontext.h b/src/plugins/platforms/windows/qwindowseglcontext.h
new file mode 100644
index 0000000000..a078f02db2
--- /dev/null
+++ b/src/plugins/platforms/windows/qwindowseglcontext.h
@@ -0,0 +1,90 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/
+**
+** This file is part of the plugins of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** This file may be used under the terms of the GNU Lesser General Public
+** License version 2.1 as published by the Free Software Foundation and
+** appearing in the file LICENSE.LGPL included in the packaging of this
+** file. Please review the following information to ensure the GNU Lesser
+** General Public License version 2.1 requirements will be met:
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU General
+** Public License version 3.0 as published by the Free Software Foundation
+** and appearing in the file LICENSE.GPL included in the packaging of this
+** file. Please review the following information to ensure the GNU General
+** Public License version 3.0 requirements will be met:
+** http://www.gnu.org/copyleft/gpl.html.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QWINDOWSEGLCONTEXT_H
+#define QWINDOWSEGLCONTEXT_H
+
+#include <QtPlatformSupport/private/qeglplatformcontext_p.h>
+#include <QSharedPointer>
+
+QT_BEGIN_NAMESPACE
+
+class QWindowsEGLStaticContext
+{
+    Q_DISABLE_COPY(QWindowsEGLStaticContext)
+public:
+    static QWindowsEGLStaticContext *create();
+    ~QWindowsEGLStaticContext();
+
+    EGLDisplay display() const { return m_display; }
+
+private:
+    QWindowsEGLStaticContext(EGLDisplay display, int version);
+
+    const EGLDisplay m_display;
+    const int m_version; //! majorVersion<<8 + minorVersion
+};
+
+class QWindowsEGLContext : public QEGLPlatformContext
+{
+public:
+    typedef QSharedPointer<QWindowsEGLStaticContext> QWindowsEGLStaticContextPtr;
+
+    QWindowsEGLContext(const QWindowsEGLStaticContextPtr& staticContext,
+                       const QSurfaceFormat &format,
+                       QPlatformOpenGLContext *share);
+
+    ~QWindowsEGLContext();
+
+    static bool hasThreadedOpenGLCapability();
+
+    bool makeCurrent(QPlatformSurface *surface);
+
+protected:
+    EGLSurface eglSurfaceForPlatformSurface(QPlatformSurface *surface);
+
+private:
+    const QWindowsEGLStaticContextPtr m_staticContext;
+};
+
+QT_END_NAMESPACE
+
+#endif // QWINDOWSEGLCONTEXT_H
-- 
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