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-/****************************************************************************
-**
-** Copyright (C) 2013 Klaralvdalens Datakonsult AB (KDAB).
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the QtGui module of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** Commercial License Usage
-** Licensees holding valid commercial Qt licenses may use this file in
-** accordance with the commercial license agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and The Qt Company. For licensing terms
-** and conditions see https://www.qt.io/terms-conditions. For further
-** information use the contact form at https://www.qt.io/contact-us.
-**
-** GNU Lesser General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU Lesser
-** General Public License version 3 as published by the Free Software
-** Foundation and appearing in the file LICENSE.LGPL3 included in the
-** packaging of this file. Please review the following information to
-** ensure the GNU Lesser General Public License version 3 requirements
-** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU
-** General Public License version 2.0 or (at your option) the GNU General
-** Public license version 3 or any later version approved by the KDE Free
-** Qt Foundation. The licenses are as published by the Free Software
-** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
-** included in the packaging of this file. Please review the following
-** information to ensure the GNU General Public License requirements will
-** be met: https://www.gnu.org/licenses/gpl-2.0.html and
-** https://www.gnu.org/licenses/gpl-3.0.html.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#ifndef QOPENGLQUERYHELPER_P_H
-#define QOPENGLQUERYHELPER_P_H
-
-//
-// W A R N I N G
-// -------------
-//
-// This file is not part of the Qt API. It exists purely as an
-// implementation detail. This header file may change from version to
-// version without notice, or even be removed.
-//
-// We mean it.
-//
-
-#include <QtGui/private/qtguiglobal_p.h>
-
-#if !defined(QT_OPENGL_ES_2)
-
-#include <QtGui/QOpenGLContext>
-
-QT_BEGIN_NAMESPACE
-
-// Helper class used by QOpenGLTimerQuery and later will be used by
-// QOpenGLOcclusionQuery
-class QOpenGLQueryHelper
-{
-public:
- QOpenGLQueryHelper(QOpenGLContext *context)
- : GetQueryObjectuiv(nullptr),
- GetQueryObjectiv(nullptr),
- GetQueryiv(nullptr),
- EndQuery(nullptr),
- BeginQuery(nullptr),
- IsQuery(nullptr),
- DeleteQueries(nullptr),
- GenQueries(nullptr),
- GetInteger64v(nullptr),
- GetQueryObjectui64v(nullptr),
- GetQueryObjecti64v(nullptr),
- QueryCounter(nullptr)
- {
- Q_ASSERT(context);
-
- // Core in OpenGL >=1.5
- GetQueryObjectuiv = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLuint , GLenum , GLuint *)>(context->getProcAddress("glGetQueryObjectuiv"));
- GetQueryObjectiv = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLuint , GLenum , GLint *)>(context->getProcAddress("glGetQueryObjectiv"));
- GetQueryiv = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLenum , GLenum , GLint *)>(context->getProcAddress("glGetQueryiv"));
- EndQuery = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLenum )>(context->getProcAddress("glEndQuery"));
- BeginQuery = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLenum , GLuint )>(context->getProcAddress("glBeginQuery"));
- IsQuery = reinterpret_cast<GLboolean (QOPENGLF_APIENTRYP)(GLuint )>(context->getProcAddress("glIsQuery"));
- DeleteQueries = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLsizei , const GLuint *)>(context->getProcAddress("glDeleteQueries"));
- GenQueries = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLsizei , GLuint *)>(context->getProcAddress("glGenQueries"));
-
- // Core in OpenGL >=3.2
- GetInteger64v = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLenum , GLint64 *)>(context->getProcAddress("glGetInteger64v"));
-
- // Core in OpenGL >=3.3 / ARB_timer_query
- GetQueryObjectui64v = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLuint , GLenum , GLuint64 *)>(context->getProcAddress("glGetQueryObjectui64v"));
- GetQueryObjecti64v = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLuint , GLenum , GLint64 *)>(context->getProcAddress("glGetQueryObjecti64v"));
- QueryCounter = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLuint , GLenum )>(context->getProcAddress("glQueryCounter"));
- }
-
- inline void glGetQueryObjectuiv(GLuint id, GLenum pname, GLuint *params)
- {
- GetQueryObjectuiv(id, pname, params);
- }
-
- inline void glGetQueryObjectiv(GLuint id, GLenum pname, GLint *params)
- {
- GetQueryObjectiv(id, pname, params);
- }
-
- inline void glGetQueryiv(GLenum target, GLenum pname, GLint *params)
- {
- GetQueryiv(target, pname, params);
- }
-
- inline void glEndQuery(GLenum target)
- {
- EndQuery(target);
- }
-
- inline void glBeginQuery(GLenum target, GLuint id)
- {
- BeginQuery(target, id);
- }
-
- inline GLboolean glIsQuery(GLuint id)
- {
- return IsQuery(id);
- }
-
- inline void glDeleteQueries(GLsizei n, const GLuint *ids)
- {
- DeleteQueries(n, ids);
- }
-
- inline void glGenQueries(GLsizei n, GLuint *ids)
- {
- GenQueries(n, ids);
- }
-
- inline void glGetInteger64v(GLenum pname, GLint64 *params)
- {
- GetInteger64v(pname, params);
- }
-
- inline void glGetQueryObjectui64v(GLuint id, GLenum pname, GLuint64 *params)
- {
- GetQueryObjectui64v(id, pname, params);
- }
-
- inline void glGetQueryObjecti64v(GLuint id, GLenum pname, GLint64 *params)
- {
- GetQueryObjecti64v(id, pname, params);
- }
-
- inline void glQueryCounter(GLuint id, GLenum target)
- {
- QueryCounter(id, target);
- }
-
-private:
- // Core in OpenGL >=1.5
- void (QOPENGLF_APIENTRYP GetQueryObjectuiv)(GLuint id, GLenum pname, GLuint *params);
- void (QOPENGLF_APIENTRYP GetQueryObjectiv)(GLuint id, GLenum pname, GLint *params);
- void (QOPENGLF_APIENTRYP GetQueryiv)(GLenum target, GLenum pname, GLint *params);
- void (QOPENGLF_APIENTRYP EndQuery)(GLenum target);
- void (QOPENGLF_APIENTRYP BeginQuery)(GLenum target, GLuint id);
- GLboolean (QOPENGLF_APIENTRYP IsQuery)(GLuint id);
- void (QOPENGLF_APIENTRYP DeleteQueries)(GLsizei n, const GLuint *ids);
- void (QOPENGLF_APIENTRYP GenQueries)(GLsizei n, GLuint *ids);
-
- // Core in OpenGL >=3.2
- void (QOPENGLF_APIENTRYP GetInteger64v)(GLenum pname, GLint64 *params);
-
- // Core in OpenGL >=3.3 and provided by ARB_timer_query
- void (QOPENGLF_APIENTRYP GetQueryObjectui64v)(GLuint id, GLenum pname, GLuint64 *params);
- void (QOPENGLF_APIENTRYP GetQueryObjecti64v)(GLuint id, GLenum pname, GLint64 *params);
- void (QOPENGLF_APIENTRYP QueryCounter)(GLuint id, GLenum target);
-};
-
-QT_END_NAMESPACE
-
-#endif
-
-#endif // QOPENGLQUERYHELPER_P_H