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/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the Qt scene graph research project.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** 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, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef TEXTUREMATERIAL_H
#define TEXTUREMATERIAL_H
#include "material.h"
#include "utilities.h"
class QT_SCENEGRAPH_EXPORT TextureMaterial : public AbstractEffect
{
public:
TextureMaterial() : m_texture(0), m_opaque(true), m_linear_filtering(false) { }
virtual AbstractEffectType *type() const;
virtual AbstractEffectProgram *createProgram() const;
virtual int compare(const AbstractEffect *other) const;
// ### gunnar: opaque -> alpha, as "hasAlphaChannel()" is what we normally use
void setTexture(TextureReference *texture, bool opaque = false);
TextureReference *texture() const { return m_texture; }
void setLinearFiltering(bool linearFiltering) { m_linear_filtering = linearFiltering; }
bool linearFiltering() const { return m_linear_filtering; }
static bool is(const AbstractEffect *effect);
protected:
TextureReference *m_texture;
bool m_opaque;
bool m_linear_filtering;
};
class TextureMaterialData : public AbstractShaderEffectProgram
{
public:
virtual void updateRendererState(Renderer *renderer, Renderer::Updates updates);
virtual void updateEffectState(Renderer *renderer, AbstractEffect *newEffect, AbstractEffect *oldEffect);
virtual void initialize();
virtual const char *vertexShader() const;
virtual const char *fragmentShader() const;
virtual const Attributes attributes() const;
virtual const QGL::VertexAttribute *requiredFields() const;
static const QGL::VertexAttribute attributeIds[];
static const char *const attributeNames[];
static AbstractEffectType type;
int m_matrix_id;
};
class QT_SCENEGRAPH_EXPORT TextureMaterialWithOpacity : public TextureMaterial
{
public:
TextureMaterialWithOpacity() : m_opacity(1) { }
virtual AbstractEffectType *type() const;
virtual AbstractEffectProgram *createProgram() const;
virtual int compare(const AbstractEffect *other) const;
void setTexture(TextureReference *texture, bool opaque = false);
void setOpacity(qreal opacity);
qreal opacity() const { return m_opacity; }
static bool is(const AbstractEffect *effect);
private:
qreal m_opacity;
};
#endif // TEXTUREMATERIAL_H
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