6f4bc3942d
Cleanup GraphicsView examples with the help of clang-tidy - modernize-use-nullptr - modernize-use-default-member-init - modernize-use-override.IgnoreDestructors - Some QList -> QVector changes - use nullptr - use normalized includes, remove unused includes - fix style Change-Id: I79347e55bfde52f6ae7749cc7093fbd442044020 Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>
100 lines
3.3 KiB
C++
100 lines
3.3 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the demonstration applications of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** BSD License Usage
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** Alternatively, you may use this file under the terms of the BSD license
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** as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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** * Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in
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** the documentation and/or other materials provided with the
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** distribution.
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** * Neither the name of The Qt Company Ltd nor the names of its
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** contributors may be used to endorse or promote products derived
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** from this software without specific prior written permission.
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**
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef GLTRIANGLEMESH_H
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#define GLTRIANGLEMESH_H
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#include "glbuffers.h"
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#include "glextensions.h"
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#include <QtWidgets>
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#include <QtOpenGL>
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template<class TVertex, class TIndex>
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class GLTriangleMesh
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{
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public:
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GLTriangleMesh(int vertexCount, int indexCount) : m_vb(vertexCount), m_ib(indexCount)
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{
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}
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virtual ~GLTriangleMesh()
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{
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}
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virtual void draw()
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{
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if (failed())
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return;
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int type = GL_UNSIGNED_INT;
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if (sizeof(TIndex) == sizeof(char)) type = GL_UNSIGNED_BYTE;
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if (sizeof(TIndex) == sizeof(short)) type = GL_UNSIGNED_SHORT;
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m_vb.bind();
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m_ib.bind();
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glDrawElements(GL_TRIANGLES, m_ib.length(), type, BUFFER_OFFSET(0));
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m_vb.unbind();
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m_ib.unbind();
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}
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bool failed()
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{
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return m_vb.failed() || m_ib.failed();
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}
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protected:
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GLVertexBuffer<TVertex> m_vb;
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GLIndexBuffer<TIndex> m_ib;
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};
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#endif
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