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Diffstat (limited to 'src/foundation/Qt3DSDataRef.h')
| -rw-r--r-- | src/foundation/Qt3DSDataRef.h | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/src/foundation/Qt3DSDataRef.h b/src/foundation/Qt3DSDataRef.h new file mode 100644 index 0000000..ad860ce --- /dev/null +++ b/src/foundation/Qt3DSDataRef.h @@ -0,0 +1,162 @@ +/**************************************************************************** +** +** 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. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QT3DS_FOUNDATION_DATA_REF_H +#define QT3DS_FOUNDATION_DATA_REF_H + +#include "foundation/Qt3DS.h" +#include "foundation/Qt3DSAssert.h" + +namespace qt3ds { +namespace foundation { + + template <typename TDataType> + struct NVConstDataRef + { + const TDataType *mData; + QT3DSU32 mSize; + + NVConstDataRef(const TDataType *inData, QT3DSU32 inSize) + : mData(inData) + , mSize(inSize) + { + } + NVConstDataRef() + : mData(0) + , mSize(0) + { + } + + QT3DSU32 size() const { return mSize; } + + const TDataType *begin() const { return mData; } + const TDataType *end() const { return mData + mSize; } + + const TDataType &operator[](QT3DSU32 index) const + { + QT3DS_ASSERT(index < mSize); + return mData[index]; + } + }; + + template <typename TDataType> + inline NVConstDataRef<TDataType> toConstDataRef(const TDataType &type) + { + return NVConstDataRef<TDataType>(&type, 1); + } + + template <typename TDataType> + inline NVConstDataRef<QT3DSU8> toU8ConstDataRef(const TDataType &type) + { + return NVConstDataRef<QT3DSU8>(reinterpret_cast<const QT3DSU8 *>(&type), sizeof(TDataType)); + } + + template <typename TDataType> + inline NVConstDataRef<TDataType> toConstDataRef(const TDataType *type, QT3DSU32 count) + { + return NVConstDataRef<TDataType>(type, count); + } + + template <typename TDataType> + inline NVConstDataRef<QT3DSU8> toU8ConstDataRef(const TDataType *type, QT3DSU32 count) + { + return NVConstDataRef<QT3DSU8>(reinterpret_cast<const QT3DSU8 *>(type), + sizeof(TDataType) * count); + } + + template <typename TDataType> + struct NVDataRef + { + TDataType *mData; + QT3DSU32 mSize; + + NVDataRef(TDataType *inData, QT3DSU32 inSize) + : mData(inData) + , mSize(inSize) + { + } + NVDataRef() + : mData(0) + , mSize(0) + { + } + QT3DSU32 size() const { return mSize; } + + TDataType *begin() { return mData; } + TDataType *end() { return mData + mSize; } + + TDataType *begin() const { return mData; } + TDataType *end() const { return mData + mSize; } + + TDataType &operator[](QT3DSU32 index) + { + QT3DS_ASSERT(index < mSize); + return mData[index]; + } + + const TDataType &operator[](QT3DSU32 index) const + { + QT3DS_ASSERT(index < mSize); + return mData[index]; + } + + operator NVConstDataRef<TDataType>() const + { + return NVConstDataRef<TDataType>(mData, mSize); + } + }; + + template <typename TDataType> + inline NVDataRef<TDataType> toDataRef(TDataType &type) + { + return NVDataRef<TDataType>(&type, 1); + } + + template <typename TDataType> + inline NVDataRef<QT3DSU8> toU8DataRef(TDataType &type) + { + return NVDataRef<QT3DSU8>(reinterpret_cast<QT3DSU8 *>(&type), sizeof(TDataType)); + } + + template <typename TDataType> + inline NVDataRef<TDataType> toDataRef(TDataType *type, QT3DSU32 count) + { + return NVDataRef<TDataType>(type, count); + } + + template <typename TDataType> + inline NVDataRef<QT3DSU8> toU8DataRef(TDataType *type, QT3DSU32 count) + { + return NVDataRef<QT3DSU8>(reinterpret_cast<QT3DSU8 *>(type), sizeof(TDataType) * count); + } +} +} + +#endif
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