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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the Qt Mobility Components.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 "s60eglendpoint.h"
#include "s60eglextensions.h"
#include "s60mmtrace.h"
#include <e32base.h>
#include <egl/egl.h>
#include <graphics/surface.h>
#include <QtCore/QDebug>
#include <QtCore/QTime>
//-----------------------------------------------------------------------------
// S60EglEndpointEventHandler
//-----------------------------------------------------------------------------
class S60EglEndpointEventHandler : public CActive
{
public:
static S60EglEndpointEventHandler *NewL(S60EglEndpoint *parent);
~S60EglEndpointEventHandler();
void request();
private:
S60EglEndpointEventHandler(S60EglEndpoint *parent);
void RunL();
void DoCancel();
private:
S60EglEndpoint *const m_parent;
};
S60EglEndpointEventHandler *S60EglEndpointEventHandler::NewL(S60EglEndpoint *parent)
{
S60EglEndpointEventHandler *self = new (ELeave) S60EglEndpointEventHandler(parent);
CActiveScheduler::Add(self);
return self;
}
S60EglEndpointEventHandler::S60EglEndpointEventHandler(S60EglEndpoint *parent)
: CActive(EPriorityStandard)
, m_parent(parent)
{
}
S60EglEndpointEventHandler::~S60EglEndpointEventHandler()
{
Cancel();
}
void S60EglEndpointEventHandler::request()
{
TRACE("S60EglEndpointEventHandler::request" << qtThisPtr());
Q_ASSERT(!IsActive());
iStatus = KRequestPending;
EGLTRequestStatusNOK eglStatus = reinterpret_cast<EGLTRequestStatusNOK>(&iStatus);
const EGLBoolean ret = m_parent->m_extensions->endpointRequestNotification(m_parent->m_display,
m_parent->m_endpoint,
eglStatus);
if (ret) {
VERBOSE_TRACE("S60EglEndpointEventHandler::request" << qtThisPtr() << "endpointRequestNotification OK");
SetActive();
} else {
qWarning() << "S60EglEndpointEventHandler::request" << qtThisPtr() << "endpointRequestNotification failed";
}
}
void S60EglEndpointEventHandler::RunL()
{
VERBOSE_TRACE("S60EglEndpointEventHandler::RunL" << qtThisPtr());
m_parent->endpointEvent();
}
void S60EglEndpointEventHandler::DoCancel()
{
TRACE("S60EglEndpointEventHandler::DoCancel" << qtThisPtr());
m_parent->m_extensions->endpointCancelNotification(m_parent->m_display,
m_parent->m_endpoint);
if (iStatus == KRequestPending) {
// If EGL display gets destroyed before cancel then endpointCancelNotification
// will not cancel our request
TRACE("S60EglEndpointEventHandler::DoCancel - completing request locally" << qtThisPtr());
TRequestStatus *requestStatus = &iStatus;
User::RequestComplete(requestStatus, KErrCancel);
}
}
//-----------------------------------------------------------------------------
// S60EglEndpoint
//-----------------------------------------------------------------------------
S60EglEndpoint::S60EglEndpoint(const TSurfaceId &surface,
S60EglExtensions *extensions,
QObject *parent)
: QObject(parent)
, m_extensions(extensions)
, m_context(eglGetCurrentContext())
, m_api(0)
, m_display(eglGetCurrentDisplay())
, m_endpoint(EGL_NO_ENDPOINT_NOK)
, m_state(Null)
{
TRACE("S60EglEndpoint::S60EglEndpoint" << qtThisPtr()
<< "surface" << (void*)surface.iInternal[3]
<< "context" << m_context << "display" << m_display);
Q_ASSERT(m_extensions);
bool ok = false;
if (m_context) {
m_api = eglQueryAPI();
if (m_api) {
m_display = eglGetCurrentDisplay();
if (EGL_NO_DISPLAY != m_display) {
ok = true;
} else {
qWarning() << "S60EglEndpoint::S60EglEndpoint" << qtThisPtr() << "failed to get valid EGL display";
}
} else {
qWarning() << "S60EglEndpoint::S60EglEndpoint" << qtThisPtr() << "failed to get valid rendering API";
}
} else {
qWarning() << "S60EglEndpoint::S60EglEndpoint" << qtThisPtr() << "failed to get valid EGL context";
}
if (ok) {
static const EGLenum type = EGL_ENDPOINT_TYPE_CONSUMER_NOK;
static const EGLenum sourceType = EGL_TSURFACEID_NOK;
TSurfaceId localSurface = surface;
EGLEndpointSourceNOK source = reinterpret_cast<EGLEndpointSourceNOK>(&localSurface);
static const EGLint *attributes = 0;
m_endpoint = m_extensions->createEndpoint(m_display, type, sourceType, source, attributes);
const EGLint error = eglGetError();
if (EGL_SUCCESS == error) {
TRACE("S60EglEndpoint::S60EglEndpoint" << qtThisPtr()
<< "endpoint" << m_endpoint);
if (EGL_NO_ENDPOINT_NOK == m_endpoint) {
qWarning() << "S60EglEndpoint::S60EglEndpoint" << qtThisPtr() << "failed to create EGL endpoint";
} else {
TRAPD(err, m_eventHandler.reset(S60EglEndpointEventHandler::NewL(this)));
if (err) {
qWarning() << "S60EglEndpoint::S60EglEndpoint" << qtThisPtr() << "failed to create EGL endpoint event handler: error" << err;
} else {
m_state = Created;
EGLBoolean ready = m_extensions->getEndpointAttrib(m_display, m_endpoint, EGL_ENDPOINT_READY_NOK);
TRACE("S60EglEndpoint::S60EglEndpoint" << qtThisPtr() << "ready" << ready);
if (ready) {
// Producer has already submitted content to the source surface
m_state = Active;
m_eventHandler->request();
} else {
// Request notification when producer has submitted content
m_eventHandler->request();
}
}
}
} else {
qWarning() << "S60EglEndpoint::S60EglEndpoint" << qtThisPtr() << "failed to create EGL endpoint: error" << error;
}
}
}
S60EglEndpoint::~S60EglEndpoint()
{
TRACE("S60EglEndpoint::~S60EglEndpoint" << qtThisPtr());
if (EGL_NO_ENDPOINT_NOK != m_endpoint)
m_extensions->destroyEndpoint(m_display, m_endpoint);
}
void S60EglEndpoint::endpointEvent()
{
const EGLBoolean ready = m_extensions->getEndpointAttrib(m_display, m_endpoint, EGL_ENDPOINT_READY_NOK);
VERBOSE_TRACE("S60EglEndpoint::endpointEvent" << qtThisPtr() << "state" << m_state << "ready" << ready);
switch (m_state) {
case Created:
m_state = Active;
case Active:
emit imageAvailable();
break;
case Null:
default:
Q_ASSERT(false);
break;
}
}
bool S60EglEndpoint::isValid() const
{
return (m_state != Null);
}
void S60EglEndpoint::setDelay(qint64 delay)
{
VERBOSE_TRACE("S60EglEndpoint::setDelay" << qtThisPtr() << "delay" << delay);
m_extensions->setEndpointAttrib(m_display, m_endpoint, EGL_DELAY_NOK, delay);
}
EGLImageKHR S60EglEndpoint::acquireImage()
{
Q_ASSERT(EGL_NO_IMAGE_KHR == m_image);
m_image = m_extensions->acquireImage(m_display, m_endpoint);
VERBOSE_TRACE("S60EglEndpoint::acquireImage" << qtThisPtr() << "image" << m_image);
if (EGL_NO_IMAGE_KHR == m_image) {
qWarning() << "S60EglEndpoint::endpointEvent" << qtThisPtr() << "null image";
if (!m_eventHandler->IsActive())
m_eventHandler->request();
}
return m_image;
}
void S60EglEndpoint::releaseImage()
{
if (EGL_NO_IMAGE_KHR != m_image) {
VERBOSE_TRACE("S60EglEndpoint::releaseImage" << qtThisPtr() << "image" << m_image);
m_extensions->releaseImage(m_display, m_endpoint, m_image, m_api);
m_image = EGL_NO_IMAGE_KHR;
if (!m_eventHandler->IsActive())
m_eventHandler->request();
}
}
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