Add an EGLImageKHR video node.

[ChangeLog] Added a VideoNode plugin which allows direct rendering of
EGLImageKHR backed video frames.

Change-Id: I36fb6fd27680dbe9c71a446bbd54df95488725f8
Reviewed-by: Yoann Lopes <yoann.lopes@digia.com>

1 files changed, 102 insertions, 0 deletions

diff --git a/src/plugins/videonode/egl/qsgvideonode_egl.h b/src/plugins/videonode/egl/qsgvideonode_egl.h
new file mode 100644
index 000000000..23294a123
--- /dev/null
+++ b/src/plugins/videonode/egl/qsgvideonode_egl.h
@@ -0,0 +1,102 @@
+/****************************************************************************
+**
+** Copyright (C) 2014 Jolla Ltd.
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part 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 Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/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 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, Digia gives you certain additional
+** rights.  These rights are described in the Digia 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.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef EGLVIDEONODE_H
+#define EGLVIDEONODE_H
+
+#include <private/qsgvideonode_p.h>
+
+#include <QSGOpaqueTextureMaterial>
+#include <QSGTexture>
+
+#include <EGL/egl.h>
+#include <EGL/eglext.h>
+
+QT_BEGIN_NAMESPACE
+
+class QSGVideoMaterial_EGL : public QSGMaterial
+{
+public:
+    QSGVideoMaterial_EGL();
+    ~QSGVideoMaterial_EGL();
+
+    QSGMaterialShader *createShader() const;
+    QSGMaterialType *type() const;
+    int compare(const QSGMaterial *other) const;
+
+    void setImage(EGLImageKHR image);
+
+private:
+    friend class QSGVideoMaterial_EGLShader;
+
+    QRectF m_subrect;
+    EGLImageKHR m_image;
+    GLuint m_textureId;
+};
+
+class QSGVideoNode_EGL : public QSGVideoNode
+{
+public:
+    QSGVideoNode_EGL(const QVideoSurfaceFormat &format);
+    ~QSGVideoNode_EGL();
+
+    void setCurrentFrame(const QVideoFrame &frame);
+    QVideoFrame::PixelFormat pixelFormat() const;
+
+private:
+    QSGVideoMaterial_EGL m_material;
+    QVideoFrame::PixelFormat m_pixelFormat;
+};
+
+class QSGVideoNodeFactory_EGL : public QSGVideoNodeFactoryPlugin
+{
+    Q_OBJECT
+    Q_PLUGIN_METADATA(IID "org.qt-project.qt.sgvideonodefactory/5.2" FILE "egl.json")
+public:
+    QList<QVideoFrame::PixelFormat> supportedPixelFormats(
+            QAbstractVideoBuffer::HandleType handleType) const;
+    QSGVideoNode *createNode(const QVideoSurfaceFormat &format);
+};
+
+QT_END_NAMESPACE
+
+#endif
+