1 files changed, 317 insertions, 0 deletions
diff --git a/src/plugins/platforms/openwfd/qopenwfddevice.cpp b/src/plugins/platforms/openwfd/qopenwfddevice.cpp
new file mode 100644
index 0000000000..d3ff6d45d8
--- /dev/null
+++ b/src/plugins/platforms/openwfd/qopenwfddevice.cpp
@@ -0,0 +1,317 @@
+/****************************************************************************
+**
+** 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 "qopenwfddevice.h"
+
+#include "qopenwfdport.h"
+#include "qopenwfdscreen.h"
+
+#include <QtCore/QDebug>
+
+#include <WF/wfdext.h>
+#include <gbm.h>
+
+QOpenWFDDevice::QOpenWFDDevice(QOpenWFDIntegration *integration, WFDint device_enumeration)
+    : mIntegration(integration)
+    , mDeviceEnum(device_enumeration)
+    , mCommitedDevice(false)
+    , mWaitingForBindSourceEvent(false)
+{
+    mDevice = wfdCreateDevice(WFD_DEFAULT_DEVICE_ID,WFD_NONE);
+    if (mDevice == WFD_INVALID_HANDLE)
+        qDebug() << "failed to create device";
+
+    mEvent = wfdCreateEvent(mDevice,0);
+    if (mEvent == WFD_INVALID_HANDLE)
+        qDebug() << "failed to create event handle";
+
+    //initialize pipelines for device.
+    wfdEnumeratePipelines(mDevice,WFD_NONE,0,WFD_NONE);
+
+    initializeGbmAndEgl();
+
+    WFDint numberOfPorts = wfdEnumeratePorts(mDevice,0,0,0);
+    WFDint port_enumerations[numberOfPorts];
+    WFDint actualNumberOfPorts = wfdEnumeratePorts(mDevice,port_enumerations,numberOfPorts,WFD_NONE);
+    Q_ASSERT(actualNumberOfPorts == numberOfPorts);
+
+    for (int i = 0; i < actualNumberOfPorts; i++)
+    {
+        QOpenWFDPort *port = new QOpenWFDPort(this,port_enumerations[i]);
+        if (port->attached()) {
+            mPorts.append(port);
+        } else {
+            delete port;
+        }
+    }
+
+    int fd = wfdDeviceEventGetFD(mDevice,mEvent);
+    mEventSocketNotifier = new QSocketNotifier(fd,QSocketNotifier::Read,this);
+    connect(mEventSocketNotifier,SIGNAL(activated(int)),SLOT(readEvents()));
+
+    mCommitedDevice = true;
+    commit(WFD_COMMIT_ENTIRE_DEVICE, handle());
+}
+
+QOpenWFDDevice::~QOpenWFDDevice()
+{
+    delete mEventSocketNotifier;
+    wfdDestroyEvent(mDevice,mEvent);
+
+    for (int i = 0; i < mPorts.size(); i++) {
+        //probably don't need to remove them from the list
+        QList <WFDint> keys = mUsedPipelines.keys(mPorts.at(i));
+        for (int keyIndex = 0; keyIndex < keys.size(); keyIndex++) {
+            mUsedPipelines.remove(keys.at(keyIndex));
+        }
+        //but we have to delete them :)
+        delete mPorts[i];
+    }
+
+    eglDestroyContext(mEglDisplay,mEglContext);
+    eglTerminate(mEglDisplay);
+
+    gbm_device_destroy(mGbmDevice);
+
+    wfdDestroyDevice(mDevice);
+}
+
+WFDDevice QOpenWFDDevice::handle() const
+{
+    return mDevice;
+}
+
+QOpenWFDIntegration * QOpenWFDDevice::integration() const
+{
+    return mIntegration;
+}
+
+bool QOpenWFDDevice::isPipelineUsed(WFDint pipelineId)
+{
+    return mUsedPipelines.contains(pipelineId);
+}
+
+void QOpenWFDDevice::addToUsedPipelineSet(WFDint pipelineId,QOpenWFDPort *port)
+{
+    mUsedPipelines.insert(pipelineId,port);
+}
+
+void QOpenWFDDevice::removeFromUsedPipelineSet(WFDint pipelineId)
+{
+    mUsedPipelines.remove(pipelineId);
+}
+
+gbm_device * QOpenWFDDevice::gbmDevice() const
+
+{
+    return mGbmDevice;
+}
+
+EGLDisplay QOpenWFDDevice::eglDisplay() const
+{
+    return mEglDisplay;
+}
+
+EGLContext QOpenWFDDevice::eglContext() const
+{
+    return mEglContext;
+}
+
+void QOpenWFDDevice::commit(WFDCommitType type, WFDHandle handle)
+{
+    if (mCommitedDevice) {
+        wfdDeviceCommit(mDevice,type,handle);
+    }
+}
+
+void QOpenWFDDevice::waitForPipelineBindSourceCompleteEvent()
+{
+    mWaitingForBindSourceEvent = true;
+
+    while (mWaitingForBindSourceEvent) {
+        readEvents(WFD_FOREVER);
+    }
+}
+
+void QOpenWFDDevice::readEvents(WFDtime wait)
+{
+    WFDEventType type = wfdDeviceEventWait(mDevice,mEvent,wait);
+
+    if (type == WFD_EVENT_NONE || type == WFD_EVENT_DESTROYED) {
+        return;
+    }
+    switch (type) {
+    case WFD_EVENT_INVALID:
+    case WFD_EVENT_NONE:
+        return;
+    case WFD_EVENT_DESTROYED:
+        qDebug() << "Event or Device destoryed!";
+        return;
+    case WFD_EVENT_PORT_ATTACH_DETACH:
+        handlePortAttachDetach();
+        break;
+    case WFD_EVENT_PORT_PROTECTION_FAILURE:
+        qDebug() << "Port protection event handling not implemented";
+        break;
+    case WFD_EVENT_PIPELINE_BIND_SOURCE_COMPLETE:
+        handlePipelineBindSourceComplete();
+        break;
+    case WFD_EVENT_PIPELINE_BIND_MASK_COMPLETE:
+        qDebug() << "Pipeline bind mask event handling not implemented";
+        break;
+    default:
+        qDebug() << "Not recognised event type";
+        break;
+    }
+
+
+}
+
+void QOpenWFDDevice::initializeGbmAndEgl()
+{
+
+    qDebug() << "initializing GBM and EGL";
+    int fd = wfdGetDeviceAttribi(mDevice,WFD_DEVICE_ID);
+    if (fd < 0) {
+        qDebug() << "failed to get WFD_DEVICE_ID";
+    }
+
+    mGbmDevice = gbm_create_device(fd);
+
+    setenv("EGL_PLATFORM", "drm",1);
+
+    mEglDisplay = eglGetDisplay(mGbmDevice);
+
+    EGLint minor, major;
+
+    if (!eglInitialize(mEglDisplay,&major,&minor)) {
+        qDebug() << "failed to initialize egl";
+    }
+
+    QByteArray eglExtensions = eglQueryString(mEglDisplay, EGL_EXTENSIONS);
+    if (!eglExtensions.contains("EGL_KHR_surfaceless_opengl")) {
+        qDebug() << "This egl implementation does not have the required EGL extension EGL_KHR_surfaceless_opengl";
+    }
+
+    eglBindAPI(EGL_OPENGL_ES_API);
+
+    EGLint contextAttribs[] = {
+        EGL_CONTEXT_CLIENT_VERSION, 2,
+        EGL_NONE
+    };
+
+    mEglContext = eglCreateContext(mEglDisplay,NULL,EGL_NO_CONTEXT,contextAttribs);
+    if (mEglContext == EGL_NO_CONTEXT) {
+        qDebug() << "Failed to create EGL context";
+    }
+
+    eglCreateImage = (PFNEGLCREATEIMAGEKHRPROC) eglGetProcAddress("eglCreateImageKHR");
+    if (!eglCreateImage) {
+        qWarning("failed to load extension eglCreateImageKHR");
+    }
+
+    eglDestroyImage = (PFNEGLDESTROYIMAGEKHRPROC) eglGetProcAddress("eglDestroyImageKHR");
+    if (!eglDestroyImage) {
+        qWarning("failed to load extension eglDestoryImageKHR");
+    }
+
+    glEglImageTargetRenderBufferStorage = (PFNGLEGLIMAGETARGETRENDERBUFFERSTORAGEOESPROC) eglGetProcAddress("glEGLImageTargetRenderbufferStorageOES");
+    if (!glEglImageTargetRenderBufferStorage) {
+        qWarning("failed to load extension glEGLImageTargetRenderbufferStorageOES");
+    }
+}
+
+void QOpenWFDDevice::handlePortAttachDetach()
+{
+    WFDint id = wfdGetEventAttribi(mDevice,mEvent,WFD_EVENT_PORT_ATTACH_PORT_ID);
+    if (id == WFD_INVALID_PORT_ID)
+        return;
+
+    WFDint attachState = wfdGetEventAttribi(mDevice,mEvent,WFD_EVENT_PORT_ATTACH_STATE);
+    if (attachState == WFD_TRUE) {
+        int indexToAdd = -1;
+        for (int i = 0; i < mPorts.size(); i++) {
+            if (mPorts.at(i)->portId() == id) {
+                indexToAdd = i;
+                qDebug() << "found index to attach";
+                break;
+            }
+        }
+        if (indexToAdd >= 0) {
+            mPorts[indexToAdd]->attach();
+        } else {
+            mPorts.append(new QOpenWFDPort(this,id));
+        }
+
+    } else {
+        int indexToDelete = -1;
+        for (int i = 0; i < mPorts.size(); i++) {
+            if (mPorts.at(i)->portId() == id) {
+                indexToDelete = i;
+                break;
+            }
+        }
+        if (indexToDelete >= 0) {
+            QOpenWFDPort *portToDelete = mPorts.at(indexToDelete);
+            mPorts.removeAt(indexToDelete);
+            delete portToDelete;
+        }
+    }
+}
+
+void QOpenWFDDevice::handlePipelineBindSourceComplete()
+{
+    mWaitingForBindSourceEvent = false;
+
+    WFDint overflow = wfdGetEventAttribi(mDevice,mEvent, WFD_EVENT_PIPELINE_BIND_QUEUE_OVERFLOW);
+    if (overflow == WFD_TRUE) {
+        qDebug() << "PIPELINE_BIND_QUEUE_OVERFLOW event occured";
+    }
+
+    WFDint pipelineId = wfdGetEventAttribi(mDevice,mEvent,WFD_EVENT_PIPELINE_BIND_PIPELINE_ID);
+    for (int i = 0; i < mPorts.size(); i++) {
+        if (pipelineId != WFD_INVALID_PIPELINE_ID && mUsedPipelines.contains(pipelineId)) {
+            QOpenWFDPort *port = mUsedPipelines.value(pipelineId);
+            port->screen()->pipelineBindSourceComplete();
+            break;
+        }
+    }
+}