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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 RENDERSHADER_H
#define RENDERSHADER_H
#include <QVector>
// for Parameter::StandardUniforms enum - maybe should move to
// somewhere common to avoid this include?
#include <technique.h>
class QOpenGLShaderProgram;
namespace Qt3D
{
class ShaderProgram;
class RenderShader
{
public:
RenderShader(ShaderProgram* peer);
/**
* @brief getOrCreateProgram
* must be called with a valid, current QOpenGLContext
* @return
*/
QOpenGLShaderProgram* getOrCreateProgram();
/**
* @brief setStandardUniform - set the program name of a uniform
* @param su - the standard uniform
* @param loc - the GLSL name corresponding to the uniform
*/
void setStandardUniform(Parameter::StandardUniform su, QString name);
/**
* @brief standardUniformLocations - vecotr of uniform locations
* within the compiled program, corresponding to the standard uniforms
* [index the vector by the StandardUniform enum]
* @return
*/
QVector<int> standardUniformLocations() const
{
return m_standardUniformLocations;
}
QString name() const;
private:
QOpenGLShaderProgram* m_program;
ShaderProgram* m_peer;
QOpenGLShaderProgram *createProgram();
QOpenGLShaderProgram *createDefaultProgram();
QVector<QString> m_standardUniformNames;
QVector<int> m_standardUniformLocations;
};
}
#endif // RENDERSHADER_H
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