badstridegeometry.cpp

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// Copyright (C) 2026 The Qt Company Ltd.

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only

#include "badstridegeometry.h"

#include <QtGui/QVector3D>

BadStrideGeometry::BadStrideGeometry()

    // stride 12 (one vec3 per vertex), but the position attribute is declared at

    // offset 8 -- offset + sizeof(vec3) = 20 doesn't fit inside a 12-byte stride.

    QByteArray vertexData(3 * sizeof(QVector3D), Qt::Initialization::Uninitialized);

    setVertexData(vertexData);

    setStride(sizeof(QVector3D));

    setBounds(QVector3D(-1.0f, -1.0f, -1.0f), QVector3D(1.0f, 1.0f, 1.0f));

    setPrimitiveType(QQuick3DGeometry::PrimitiveType::Triangles);

    addAttribute(QQuick3DGeometry::Attribute::PositionSemantic, 8,

                 QQuick3DGeometry::Attribute::F32Type);