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++ // Copyright (C) 2023 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
++
++ VARYING vec2 texcoord;
++
++ void MAIN()
++ {
++ // no UVs in the mesh, assign something to UV0 ourselves
++ UV0 = selector * VERTEX.xy + (1.0 - selector) * NORMAL.xy;
++ texcoord = UV0;
++ POSITION = MODELVIEWPROJECTION_MATRIX * vec4(VERTEX, 1.0);
++ }