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/***************************************************************************
*
* Copyright 2010,2011 BMW Car IT GmbH
*
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
****************************************************************************/
#ifndef _SHADERPROGRAMFACTORY_H_
#define _SHADERPROGRAMFACTORY_H_
#include <ShaderProgram.h>
#include <string>
using std::string;
/**
* Factory for creating platform specific shader programs.
*/
class ShaderProgramFactory
{
public:
/**
* Create a new shader program.
*
* @param vertFileName File name of vertex shader.
* @param fragFileName File name of fragment shader.
* @return new Program instance, NULL if program could not be created.
*/
static ShaderProgram* createProgram(const string& vertFileName, const string& fragFileName);
/**
* Set shader program creator function
*
* @param creatorFunc Pointer to shader program creator function
*/
static void setCreatorFunc(PfnShaderProgramCreator creatorFunc);
private:
/**
* Dummy private constructor, copy-constructor, assignment operator.
* Prevents creation of instances of this class.
*/
ShaderProgramFactory(void);
ShaderProgramFactory(const ShaderProgramFactory&);
const ShaderProgramFactory& operator=(const ShaderProgramFactory&);
private:
/// pointer to shader program creator function
static PfnShaderProgramCreator m_creatorFunctionPointer;
};
#endif /* _SHADERPROGRAMFACTORY_H_ */
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