12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485 | // Copyright (C) 2020 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com, author Sean Harmer <sean.harmer@kdab.com>// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only#ifndef QOPENGLVERTEXARRAYOBJECT_P_H#define QOPENGLVERTEXARRAYOBJECT_P_H//// W A R N I N G// -------------//// This file is not part of the Qt API. It exists for the convenience// of the Qt OpenGL classes. This header file may change from// version to version without notice, or even be removed.//// We mean it.//#include <QtOpenGL/qtopenglglobal.h>#include <QtGui/qopengl.h>#include <QtCore/private/qglobal_p.h> QT_BEGIN_NAMESPACE class QOpenGLContext;class QOpenGLVertexArrayObjectHelper {Q_DISABLE_COPY(QOpenGLVertexArrayObjectHelper)private:explicit inlineQOpenGLVertexArrayObjectHelper(QOpenGLContext *context):GenVertexArrays(nullptr),DeleteVertexArrays(nullptr),BindVertexArray(nullptr),IsVertexArray(nullptr){initializeFromContext(context);}void Q_OPENGL_EXPORT initializeFromContext(QOpenGLContext *context);public:static Q_OPENGL_EXPORT QOpenGLVertexArrayObjectHelper *vertexArrayObjectHelperForContext(QOpenGLContext *context);inlineboolisValid()const{return GenVertexArrays && DeleteVertexArrays && BindVertexArray && IsVertexArray;}inlinevoidglGenVertexArrays(GLsizei n, GLuint *arrays)const{GenVertexArrays(n, arrays);}inlinevoidglDeleteVertexArrays(GLsizei n,const GLuint *arrays)const{DeleteVertexArrays(n, arrays);}inlinevoidglBindVertexArray(GLuint array)const{BindVertexArray(array);}inline GLboolean glIsVertexArray(GLuint array)const{returnIsVertexArray(array);}// Function signatures are equivalent between desktop core, ARB, APPLE, ES 3 and ES 2 extensionstypedefvoid(QOPENGLF_APIENTRYP qt_GenVertexArrays_t)(GLsizei n, GLuint *arrays);typedefvoid(QOPENGLF_APIENTRYP qt_DeleteVertexArrays_t)(GLsizei n,const GLuint *arrays);typedefvoid(QOPENGLF_APIENTRYP qt_BindVertexArray_t)(GLuint array);typedefGLboolean(QOPENGLF_APIENTRYP qt_IsVertexArray_t)(GLuint array); qt_GenVertexArrays_t GenVertexArrays; qt_DeleteVertexArrays_t DeleteVertexArrays; qt_BindVertexArray_t BindVertexArray; qt_IsVertexArray_t IsVertexArray;}; QT_END_NAMESPACE #endif// QOPENGLVERTEXARRAYOBJECT_P_H
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