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//##########################################################################
//# #
//# CCFBO #
//# #
//# This program is free software; you can redistribute it and/or modify #
//# it under the terms of the GNU Library General Public License as #
//# published by the Free Software Foundation; version 2 or later of the License. #
//# #
//# This program is distributed in the hope that it will be useful, #
//# but WITHOUT ANY WARRANTY; without even the implied warranty of #
//# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
//# GNU General Public License for more details. #
//# #
//# COPYRIGHT: EDF R&D / TELECOM ParisTech (ENST-TSI) #
//# #
//##########################################################################
#ifndef CC_SHADER_HEADER
#define CC_SHADER_HEADER
//Qt
#include <QString>
#include <QOpenGLShaderProgram>
class QObject;
//! Shader program
/** Now a simple encapsulation of QOpenGLShaderProgram providing two helper functions.
**/
class ccShader : public QOpenGLShaderProgram
{
Q_OBJECT
public:
//! Default constructor
ccShader(QObject* parent = 0);
//! Destructor
virtual ~ccShader() = default;
//! Creates program from two shader files with same base filename
/** Path and extensions (.vert and .frag) are automatically
added to shader base filename (shortcut to ccShader::loadProgram).
\param shaderBasePath shader files path
\param shaderBaseFilename shader base filename
\param error error string (if any error occurred)
\return success
**/
virtual bool fromFile(QString shaderBasePath, QString shaderBaseFilename, QString& error);
//! Creates program from one or two shader files
/** Filenames must be absolute (full path).
\param vertShaderFile vertex shader filename
\param fragShaderFile fragment shader filename
\param error error string (if any error occurred)
**/
virtual bool loadProgram(QString vertShaderFile, QString fragShaderFile, QString& error);
};
#endif
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