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/****************************************************************************
**
** Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the Qt3D 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/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 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef BLENDSTATE_H
#define BLENDSTATE_H
#include <drawstate.h>
#include <genericstate.h>
#include <QOpenGLContext>
class QOpenGLFunctions_3_2_Core;
namespace Qt3D {
class BlendState : public GenericState2<BlendState, GLenum, GLenum>
{
public:
virtual void apply(QGraphicsContext* gc) const;
virtual StateMaskSet mask() const;
static BlendState* getOrCreate(GLenum src, GLenum dst);
private:
BlendState(GLenum src, GLenum dst);
};
class BlendEquation : public GenericState1<BlendEquation, GLenum>
{
public:
virtual void apply(QGraphicsContext* gc) const;
virtual StateMaskSet mask() const
{ return BlendStateMask; }
static BlendEquation* getOrCreate(GLenum func);
private:
BlendEquation(GLenum func);
mutable QOpenGLFunctions_3_2_Core *m_funcs;
};
class AlphaFunc : public GenericState2<AlphaFunc, GLenum, GLclampf>
{
public:
virtual void apply(QGraphicsContext* gc) const;
virtual StateMaskSet mask() const
{ return AlphaTestMask; }
static AlphaFunc* getOrCreate(GLenum func, GLclampf value);
private:
AlphaFunc(GLenum func, GLclampf value);
};
class DepthTest : public GenericState1<DepthTest, GLenum>
{
public:
virtual void apply(QGraphicsContext* gc) const;
virtual StateMaskSet mask() const
{ return DepthTestStateMask; }
static DepthTest* getOrCreate(GLenum func);
private:
DepthTest(GLenum func);
};
class DepthMask : public GenericState1<DepthMask, GLboolean>
{
public:
virtual void apply(QGraphicsContext* gc) const;
virtual StateMaskSet mask() const
{ return DepthWriteStateMask; }
static DepthMask* getOrCreate(GLboolean func);
private:
DepthMask(GLboolean func);
};
class CullFace : public GenericState1<CullFace, GLenum>
{
public:
virtual void apply(QGraphicsContext* gc) const;
virtual StateMaskSet mask() const
{ return CullFaceStateMask; }
static CullFace* getOrCreate(GLenum func);
private:
CullFace(GLenum func);
};
class FrontFace : public GenericState1<FrontFace, GLenum>
{
public:
virtual void apply(QGraphicsContext* gc) const;
virtual StateMaskSet mask() const
{ return FrontFaceStateMask; }
static FrontFace* getOrCreate(GLenum func);
private:
FrontFace(GLenum func);
};
} // of namespace
#endif // BLENDSTATE_H
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