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Diffstat (limited to 'src/runtime/Qt3DSParametersSystem.cpp')
| -rw-r--r-- | src/runtime/Qt3DSParametersSystem.cpp | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/src/runtime/Qt3DSParametersSystem.cpp b/src/runtime/Qt3DSParametersSystem.cpp new file mode 100644 index 0000000..84b642c --- /dev/null +++ b/src/runtime/Qt3DSParametersSystem.cpp @@ -0,0 +1,171 @@ +/**************************************************************************** +** +** Copyright (C) 1993-2009 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 "RuntimePrefix.h" +#include "Qt3DSParametersSystem.h" +#include "foundation/Qt3DSBroadcastingAllocator.h" +#include "foundation/Qt3DSAtomic.h" +#include "foundation/Qt3DSIndexableLinkedList.h" +#include "foundation/Qt3DSContainers.h" +#include "foundation/SerializationTypes.h" +#include "foundation/IOStreams.h" + +using namespace qt3ds::runtime; + +namespace { + +struct SParameterGroup +{ + enum { + NumParametersPerGroup = 4, + }; + TIdValuePair m_Data[NumParametersPerGroup]; + SParameterGroup *m_NextNode; + + SParameterGroup() + : m_NextNode(NULL) + { + } +}; + +struct SParameterGroupEntry +{ + QT3DSU32 m_ParameterCount; + SParameterGroup *m_FirstGroup; + SParameterGroupEntry() + : m_ParameterCount(0) + , m_FirstGroup(NULL) + { + } +}; + +typedef IndexableLinkedList<SParameterGroup, TIdValuePair, SParameterGroup::NumParametersPerGroup> + TParametersList; + +struct SParamSystem : public IParametersSystem +{ + typedef nvhash_map<QT3DSI32, SParameterGroupEntry> TIdGroupHash; + + NVFoundationBase &m_Foundation; + TParametersList::TPoolType m_ParametersPool; + TIdGroupHash m_Groups; + QT3DSI32 m_NextId; + NVDataRef<QT3DSU8> m_LoadData; + QT3DSI32 m_RefCount; + + SParamSystem(NVFoundationBase &fnd) + : m_Foundation(fnd) + , m_ParametersPool(ForwardingAllocator(fnd.getAllocator(), "ParametersPool")) + , m_Groups(fnd.getAllocator(), "m_Groups") + , m_NextId(1) + , m_RefCount(0) + { + } + + void addRef() override { atomicIncrement(&m_RefCount); } + void release() override + { + atomicDecrement(&m_RefCount); + if (m_RefCount <= 0) { + NVAllocatorCallback &alloc = m_Foundation.getAllocator(); + NVDelete(alloc, this); + } + } + + void IncrementId() + { + ++m_NextId; + if (!m_NextId) + ++m_NextId; + } + + QT3DSI32 CreateParameterGroup() override + { + eastl::pair<TIdGroupHash::iterator, bool> inserter = + m_Groups.insert(eastl::make_pair(m_NextId, SParameterGroupEntry())); + while (inserter.second == false) { + IncrementId(); + inserter = m_Groups.insert(eastl::make_pair(m_NextId, SParameterGroupEntry())); + } + return inserter.first->first; + } + + void AddParameter(QT3DSI32 inGroup, QT3DSU32 inNameHash, Q3DStudio::UVariant inParam) override + { + TIdGroupHash::iterator iter = m_Groups.find(inGroup); + if (iter == m_Groups.end()) { + QT3DS_ASSERT(false); + return; + } + + SParameterGroupEntry &theEntry(iter->second); + TIdValuePair &thePair = TParametersList::Create( + theEntry.m_FirstGroup, theEntry.m_ParameterCount, m_ParametersPool); + thePair = eastl::make_pair(inNameHash, inParam); + } + + QT3DSU32 GetNumParameters(QT3DSI32 inGroup) const override + { + TIdGroupHash::const_iterator iter = m_Groups.find(inGroup); + if (iter == m_Groups.end()) { + QT3DS_ASSERT(false); + return 0; + } + + const SParameterGroupEntry &theEntry(iter->second); + return theEntry.m_ParameterCount; + } + TIdValuePair GetParameter(QT3DSI32 inGroup, QT3DSU32 inIndex) const override + { + Q3DStudio::UVariant dummyValue; + dummyValue.m_INT32 = 0; + TIdValuePair retval = TIdValuePair(0, dummyValue); + + TIdGroupHash::const_iterator iter = m_Groups.find(inGroup); + if (iter == m_Groups.end()) { + QT3DS_ASSERT(false); + return retval; + } + + const SParameterGroupEntry &theEntry(iter->second); + + if (inIndex < theEntry.m_ParameterCount) + return TParametersList::GetObjAtIdx(theEntry.m_FirstGroup, inIndex); + + QT3DS_ASSERT(false); + return retval; + } +}; +} + +IParametersSystem &IParametersSystem::CreateParametersSystem(NVFoundationBase &fnd) +{ + return *QT3DS_NEW(fnd.getAllocator(), SParamSystem)(fnd); +} |