| /**************************************************************************** |
| ** |
| ** Copyright (C) 2015 Paul Lemire paul.lemire350@gmail.com |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the Qt3D module of the Qt Toolkit. |
| ** |
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| ** packaging of this file. Please review the following information to |
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| ** |
| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU |
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| ****************************************************************************/ |
| |
| #ifndef QT3DRENDER_RENDER_BUFFERUTILS_P_H |
| #define QT3DRENDER_RENDER_BUFFERUTILS_P_H |
| |
| // |
| // W A R N I N G |
| // ------------- |
| // |
| // This file is not part of the Qt API. It exists for the convenience |
| // of other Qt classes. This header file may change from version to |
| // version without notice, or even be removed. |
| // |
| // We mean it. |
| // |
| |
| #include <Qt3DRender/QAttribute> |
| #include <QByteArray> |
| |
| QT_BEGIN_NAMESPACE |
| |
| |
| namespace Qt3DRender { |
| |
| namespace Render { |
| |
| class GeometryRenderer; |
| class NodeManagers; |
| class Attribute; |
| class Buffer; |
| |
| struct BufferInfo |
| { |
| BufferInfo() |
| : type(QAttribute::VertexBaseType::Float) |
| , dataSize(0) |
| , count(0) |
| , byteStride(0) |
| , byteOffset(0) |
| , restartEnabled(false) |
| , restartIndexValue(-1) |
| {} |
| |
| QByteArray data; |
| QAttribute::VertexBaseType type; |
| uint dataSize; |
| uint count; |
| uint byteStride; |
| uint byteOffset; |
| bool restartEnabled; |
| int restartIndexValue; |
| }; |
| |
| |
| namespace BufferTypeInfo { |
| |
| template <QAttribute::VertexBaseType> struct EnumToType; |
| template <> struct EnumToType<QAttribute::Byte> { typedef const char type; }; |
| template <> struct EnumToType<QAttribute::UnsignedByte> { typedef const uchar type; }; |
| template <> struct EnumToType<QAttribute::Short> { typedef const short type; }; |
| template <> struct EnumToType<QAttribute::UnsignedShort> { typedef const ushort type; }; |
| template <> struct EnumToType<QAttribute::Int> { typedef const int type; }; |
| template <> struct EnumToType<QAttribute::UnsignedInt> { typedef const uint type; }; |
| template <> struct EnumToType<QAttribute::Float> { typedef const float type; }; |
| template <> struct EnumToType<QAttribute::Double> { typedef const double type; }; |
| |
| template<QAttribute::VertexBaseType v> |
| typename EnumToType<v>::type *castToType(const QByteArray &u, uint byteOffset) |
| { |
| return reinterpret_cast< typename EnumToType<v>::type *>(u.constData() + byteOffset); |
| } |
| |
| } // namespace BufferTypeInfo |
| |
| } // namespace Render |
| |
| } // namespace Qt3DRender |
| |
| QT_END_NAMESPACE |
| |
| |
| #endif // QT3DRENDER_RENDER_BUFFERUTILS_P_H |