Initial OpenWFD support

Change-Id: I06f71073ec58af1a431edb997f3a359800320196
Reviewed-on: http://codereview.qt.nokia.com/2288
Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Samuel Rødal <samuel.rodal@nokia.com>

1 files changed, 90 insertions, 0 deletions

diff --git a/src/plugins/platforms/openwfd/qopenwfdoutputbuffer.cpp b/src/plugins/platforms/openwfd/qopenwfdoutputbuffer.cpp
new file mode 100644
index 0000000000..fb3292c31a
--- /dev/null
+++ b/src/plugins/platforms/openwfd/qopenwfdoutputbuffer.cpp
@@ -0,0 +1,90 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** 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.
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qopenwfdoutputbuffer.h"
+
+#include "qopenwfdport.h"
+
+QOpenWFDOutputBuffer::QOpenWFDOutputBuffer(const QSize &size, QOpenWFDPort *port)
+    : mPort(port)
+    , mAvailable(true)
+{
+    qDebug() << "creating output buffer for size" << size;
+    glGenRenderbuffers(1,&mRbo);
+    glBindRenderbuffer(GL_RENDERBUFFER, mRbo);
+
+    mGbm_buffer = gbm_bo_create(port->device()->gbmDevice(),
+                  size.width(),
+                  size.height(),
+                  GBM_BO_FORMAT_XRGB8888,
+                  GBM_BO_USE_SCANOUT | GBM_BO_USE_RENDERING);
+
+    mEglImage = port->device()->eglCreateImage(port->device()->eglDisplay(),0, EGL_NATIVE_PIXMAP_KHR, mGbm_buffer, 0);
+
+    port->device()->glEglImageTargetRenderBufferStorage(GL_RENDERBUFFER,mEglImage);
+
+    mWfdSource = wfdCreateSourceFromImage(port->device()->handle(),port->pipeline(),mEglImage,WFD_NONE);
+    if (mWfdSource == WFD_INVALID_HANDLE) {
+        qWarning("failed to create wfdSource from image");
+    }
+}
+
+QOpenWFDOutputBuffer::~QOpenWFDOutputBuffer()
+{
+    wfdDestroySource(mPort->device()->handle(),mWfdSource);
+    if (!mPort->device()->eglDestroyImage(mPort->device()->eglDisplay(),mEglImage)) {
+        qDebug() << "could not delete eglImage";
+    }
+    gbm_bo_destroy(mGbm_buffer);
+
+    glDeleteRenderbuffers(1, &mRbo);
+}
+
+void QOpenWFDOutputBuffer::bindToCurrentFbo()
+{
+    glFramebufferRenderbuffer(GL_FRAMEBUFFER,
+                              GL_COLOR_ATTACHMENT0,
+                              GL_RENDERBUFFER,
+                              mRbo);
+    if (glCheckFramebufferStatus(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE) {
+        qDebug() << "framebuffer not ready!";
+    }
+}