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Diffstat (limited to 'src/Runtime/Source/foundation/SerializationTypes.h')
| -rw-r--r-- | src/Runtime/Source/foundation/SerializationTypes.h | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/src/Runtime/Source/foundation/SerializationTypes.h b/src/Runtime/Source/foundation/SerializationTypes.h new file mode 100644 index 00000000..c7fe5ce7 --- /dev/null +++ b/src/Runtime/Source/foundation/SerializationTypes.h @@ -0,0 +1,132 @@ +/**************************************************************************** +** +** Copyright (C) 2008-2012 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. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ +#pragma once +#ifndef QT3DS_RENDER_SERIALIZATION_TYPES_H +#define QT3DS_RENDER_SERIALIZATION_TYPES_H +#include "EASTL/hash_map.h" +#include "foundation/Qt3DSDataRef.h" +#include "foundation/Qt3DSMemoryBuffer.h" +#include "foundation/Qt3DSContainers.h" + +namespace qt3ds { +namespace foundation { + + struct SStrRemapMap : public nvhash_map<char8_t *, QT3DSU32> + { + typedef nvhash_map<char8_t *, QT3DSU32> TBaseType; + SStrRemapMap(NVAllocatorCallback &inAlloc, const char *inName) + : TBaseType(inAlloc, inName) + { + } + }; + + struct SPtrOffsetMap : public nvhash_map<const void *, QT3DSU32> + { + typedef nvhash_map<const void *, QT3DSU32> TBaseType; + SPtrOffsetMap(NVAllocatorCallback &inAlloc, const char *inName) + : TBaseType(inAlloc, inName) + { + } + }; + + struct SWriteBuffer : public MemoryBuffer<> + { + SWriteBuffer(NVAllocatorCallback &inAlloc, const char *inName) + : MemoryBuffer<>(ForwardingAllocator(inAlloc, inName)) + { + } + }; + + // Simple data reader that mimics a string + struct SDataReader + { + QT3DSU8 *m_CurrentPtr; + QT3DSU8 *m_EndPtr; + SDataReader(QT3DSU8 *inStartPtr, QT3DSU8 *inEndPtr) + : m_CurrentPtr(inStartPtr) + , m_EndPtr(inEndPtr) + { + } + + template <typename TDataType> + TDataType *Load() + { + if ((m_CurrentPtr + sizeof(TDataType)) > m_EndPtr) { + QT3DS_ASSERT(false); + return NULL; + } + TDataType *theType = reinterpret_cast<TDataType *>(m_CurrentPtr); + m_CurrentPtr += sizeof(TDataType); + return theType; + } + + template <typename TDataType> + void MemCopy(TDataType *dt, QT3DSU32 count) + { + if (count) { + QT3DSU32 loadSize = count * sizeof(TDataType); + QT3DSU32 amountLeft = (QT3DSU32)(m_EndPtr - m_CurrentPtr); + QT3DSU32 amountLoaded = NVMin(loadSize, amountLeft); + memCopy(dt, m_CurrentPtr, amountLoaded); + m_CurrentPtr += amountLoaded; + if (amountLoaded < loadSize) { + QT3DS_ASSERT(false); + QT3DSU8 *rawPtr = (QT3DSU8 *)dt; + rawPtr += amountLoaded; + size_t leftover = loadSize - amountLoaded; + // zeroing things out at least is an attempt to provide ordered + // data that may prevent a crash in some cases. + memZero(rawPtr, (QT3DSU32)leftover); + } + } + } + + // Don't make a habit of using this a lot. + template <typename TDataType> + TDataType &LoadRef() + { + TDataType *retval = Load<TDataType>(); + if (!retval) + QT3DS_ASSERT(false); + return *retval; + } + + void Align(size_t alignment) + { + size_t offset = (size_t)(m_CurrentPtr); + if (offset % alignment) + m_CurrentPtr += (alignment - (offset % alignment)); + } + + void Align() { Align(sizeof(void *)); } + }; +} +} +#endif
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