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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** 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 QOPENGL_EXTENSIONS_P_H
#define QOPENGL_EXTENSIONS_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 <QtGui/private/qtguiglobal_p.h>
#include "qopenglextrafunctions.h"
QT_BEGIN_NAMESPACE
class QOpenGLExtensionsPrivate;
class Q_GUI_EXPORT QOpenGLExtensions : public QOpenGLExtraFunctions
{
Q_DECLARE_PRIVATE(QOpenGLExtensions)
public:
QOpenGLExtensions();
QOpenGLExtensions(QOpenGLContext *context);
~QOpenGLExtensions() {}
enum OpenGLExtension {
TextureRectangle = 0x00000001,
GenerateMipmap = 0x00000002,
TextureCompression = 0x00000004,
MirroredRepeat = 0x00000008,
FramebufferMultisample = 0x00000010,
StencilTwoSide = 0x00000020,
StencilWrap = 0x00000040,
PackedDepthStencil = 0x00000080,
NVFloatBuffer = 0x00000100,
PixelBufferObject = 0x00000200,
FramebufferBlit = 0x00000400,
BGRATextureFormat = 0x00000800,
DDSTextureCompression = 0x00001000,
ETC1TextureCompression = 0x00002000,
PVRTCTextureCompression = 0x00004000,
ElementIndexUint = 0x00008000,
Depth24 = 0x00010000,
SRGBFrameBuffer = 0x00020000,
MapBuffer = 0x00040000,
GeometryShaders = 0x00080000,
MapBufferRange = 0x00100000,
Sized8Formats = 0x00200000,
DiscardFramebuffer = 0x00400000,
Sized16Formats = 0x00800000,
TextureSwizzle = 0x01000000,
};
Q_DECLARE_FLAGS(OpenGLExtensions, OpenGLExtension)
OpenGLExtensions openGLExtensions();
bool hasOpenGLExtension(QOpenGLExtensions::OpenGLExtension extension) const;
GLvoid *glMapBuffer(GLenum target, GLenum access);
void glGetBufferSubData(GLenum target, qopengl_GLintptr offset, qopengl_GLsizeiptr size, GLvoid *data);
void glDiscardFramebufferEXT (GLenum target, GLsizei numAttachments, const GLenum *attachments);
void flushShared();
QOpenGLExtensionsPrivate *d() const;
private:
static bool isInitialized(const QOpenGLFunctionsPrivate *d) { return d != nullptr; }
};
Q_DECLARE_OPERATORS_FOR_FLAGS(QOpenGLExtensions::OpenGLExtensions)
class QOpenGLExtensionsPrivate : public QOpenGLExtraFunctionsPrivate
{
public:
explicit QOpenGLExtensionsPrivate(QOpenGLContext *ctx);
GLvoid* (QOPENGLF_APIENTRYP MapBuffer)(GLenum target, GLenum access);
void (QOPENGLF_APIENTRYP GetBufferSubData)(GLenum target, qopengl_GLintptr offset, qopengl_GLsizeiptr size, GLvoid *data);
void (QOPENGLF_APIENTRYP DiscardFramebuffer)(GLenum target, GLsizei numAttachments, const GLenum *attachments);
bool flushVendorChecked;
bool flushIsSufficientToSyncContexts;
};
inline QOpenGLExtensionsPrivate *QOpenGLExtensions::d() const
{
return static_cast<QOpenGLExtensionsPrivate *>(d_ptr);
}
inline GLvoid *QOpenGLExtensions::glMapBuffer(GLenum target, GLenum access)
{
Q_D(QOpenGLExtensions);
Q_ASSERT(QOpenGLExtensions::isInitialized(d));
GLvoid *result = d->MapBuffer(target, access);
Q_OPENGL_FUNCTIONS_DEBUG
return result;
}
inline void QOpenGLExtensions::glGetBufferSubData(GLenum target, qopengl_GLintptr offset, qopengl_GLsizeiptr size, GLvoid *data)
{
Q_D(QOpenGLExtensions);
Q_ASSERT(QOpenGLExtensions::isInitialized(d));
d->GetBufferSubData(target, offset, size, data);
Q_OPENGL_FUNCTIONS_DEBUG
}
inline void QOpenGLExtensions::glDiscardFramebufferEXT (GLenum target, GLsizei numAttachments, const GLenum *attachments)
{
Q_D(QOpenGLExtensions);
Q_ASSERT(QOpenGLExtensions::isInitialized(d));
d->DiscardFramebuffer(target,numAttachments, attachments);
Q_OPENGL_FUNCTIONS_DEBUG
}
QT_END_NAMESPACE
#endif // QOPENGL_EXTENSIONS_P_H
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