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-rw-r--r--src/event/EventFactory.cpp143
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diff --git a/src/event/EventFactory.cpp b/src/event/EventFactory.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2016 NVIDIA Corporation.
+** Copyright (C) 2017 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of Qt 3D Studio.
+**
+** $QT_BEGIN_LICENSE:GPL$
+** 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 The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "EventFactory.h"
+#include "foundation/Qt3DSFoundation.h"
+#include "foundation/Qt3DSBroadcastingAllocator.h"
+#include "foundation/StringTable.h"
+#include "foundation/Utils.h"
+
+using namespace qt3ds::evt;
+
+typedef char TEventChar;
+using qt3ds::QT3DSU32;
+
+class CInitableRegisteredStr : public Qt3DSEventSystemRegisteredStr
+{
+public:
+ CInitableRegisteredStr(const TEventStr inString) { m_Data = inString; }
+};
+
+CFactory &CFactory::Create(qt3ds::NVFoundationBase &inFoundation)
+{
+ return *QT3DS_NEW(inFoundation.getAllocator(), CFactory)(inFoundation);
+}
+
+CFactory::CFactory(qt3ds::NVFoundationBase &inFoundation)
+ : m_Foundation(inFoundation)
+ , m_Allocator(inFoundation.getAllocator(), "event factory allocator")
+ , m_StringTable(qt3ds::foundation::IStringTable::CreateStringTable(inFoundation.getAllocator()))
+{
+}
+
+CFactory::~CFactory()
+{
+}
+
+Qt3DSEventSystemEvent &CFactory::CreateEvent(int inNumData)
+{
+ // Ensure num data is in range
+ inNumData = qt3ds::NVMax(0, inNumData);
+ // Ensure we can actually allocate something that big
+ QT3DSU32 dataSize = static_cast<QT3DSU32>(
+ qt3ds::NVMin((size_t)inNumData * sizeof(Qt3DSEventSystemEventData),
+ TEventAllocator::getSlabSize() - sizeof(Qt3DSEventSystemEvent)));
+ // get the actual num data after safety checks.
+ inNumData = (int)(dataSize / sizeof(Qt3DSEventSystemEventData));
+
+ QT3DSU32 allocSize = sizeof(Qt3DSEventSystemEvent) + inNumData * sizeof(Qt3DSEventSystemEventData);
+
+ Qt3DSEventSystemEvent *theEvent = (Qt3DSEventSystemEvent *)m_Allocator.allocate(
+ allocSize, "Event allocation", __FILE__, __LINE__);
+ theEvent->m_NumData = inNumData;
+ theEvent->m_Data = reinterpret_cast<Qt3DSEventSystemEventData *>(((qt3ds::QT3DSU8 *)theEvent)
+ + sizeof(Qt3DSEventSystemEvent));
+
+ // Initialize the event data to zero so that a free event won't cause a calamity.
+ qt3ds::intrinsics::memZero(theEvent->m_Data, dataSize);
+
+ return *theEvent;
+}
+
+size_t CFactory::GetMaxNumEventData()
+{
+ return m_Allocator.getSlabSize() - sizeof(Qt3DSEventSystemEvent);
+}
+
+size_t CFactory::GetMaxStrLength()
+{
+ return m_Allocator.getSlabSize();
+}
+
+void CFactory::ReleaseOutstandingEvents()
+{
+ m_Allocator.reset();
+}
+
+Qt3DSEventSystemRegisteredStr CFactory::RegisterStr(TEventStr inSrc)
+{
+ return CInitableRegisteredStr(m_StringTable->RegisterStr(inSrc));
+}
+
+TEventStr CFactory::AllocateStr(TEventStr inSrc)
+{
+ size_t theSizeInByte = sizeof(TEventChar) * (strlen(qt3ds::foundation::nonNull(inSrc)) + 1);
+ theSizeInByte = qt3ds::NVMin(theSizeInByte, TEventAllocator::getSlabSize());
+
+ TEventChar *theNewString = (TEventChar *)m_Allocator.allocate(
+ theSizeInByte, "Qt3DS::evt::CFactory::UnManagedString", __FILE__, __LINE__);
+
+ if (theNewString)
+ memcpy(theNewString, inSrc, theSizeInByte);
+
+ theNewString[theSizeInByte - 1] = 0;
+
+ return theNewString;
+}
+
+TEventStr CFactory::AllocateStr(int inLength)
+{
+ ++inLength;
+ int safeLen = (int)qt3ds::NVMin((size_t)inLength, TEventAllocator::getSlabSize());
+ // Either give the users what they ask for or return nothing.
+ if (safeLen != inLength)
+ return NULL;
+
+ void *retval = m_Allocator.allocate(inLength * sizeof(TEventChar),
+ "Qt3DS::evt::CFactory::UnManagedString", __FILE__, __LINE__);
+ qt3ds::intrinsics::memZero(retval, inLength);
+ return (TEventStr)retval;
+}
+
+void CFactory::Release()
+{
+ this->~CFactory();
+ QT3DS_FREE(m_Foundation.getAllocator(), this);
+}