Shader.hpp

//
// SFML - Simple and Fast Multimedia Library
// Copyright (C) 2007-2009 Laurent Gomila (laurent.gom@gmail.com)
//
// This software is provided 'as-is', without any express or implied warranty.
// In no event will the authors be held liable for any damages arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it freely,
// subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented;
//    you must not claim that you wrote the original software.
//    If you use this software in a product, an acknowledgment
//    in the product documentation would be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such,
//    and must not be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source distribution.
//

#ifndef SFML_SHADER_HPP
#define SFML_SHADER_HPP

// Headers
#include <SFML/Config.hpp>
#include <SFML/Graphics/Image.hpp>
#include <SFML/System/Vector2.hpp>
#include <SFML/System/Vector3.hpp>
#include <map>
#include <string>


namespace sf
{
class Renderer;

class SFML_API Shader
{
public :

    Shader();

    Shader(const Shader& copy);

    ~Shader();

    bool LoadFromFile(const std::string& filename);

    bool LoadFromMemory(const std::string& shader);

    void SetParameter(const std::string& name, float x);

    void SetParameter(const std::string& Name, float x, float y);

    void SetParameter(const std::string& Name, float x, float y, float z);

    void SetParameter(const std::string& Name, float x, float y, float z, float w);

    void SetParameter(const std::string& name, const Vector2f& vector);

    void SetParameter(const std::string& name, const Vector3f& vector);

    void SetTexture(const std::string& name, const Image& texture);

    void Bind() const;

    void Unbind() const;

    Shader& operator =(const Shader& right);

    static bool IsAvailable();

    // Static member data
    static const Image CurrentTexture; 

private :

    friend class Renderer;

    bool CompileProgram();

    void BindTextures() const;

    void Use() const;

    // Types
    typedef std::map<int, const Image*> TextureTable;

    // Member data
    unsigned int myShaderProgram;  
    int          myCurrentTexture; 
    TextureTable myTextures;       
    std::string  myFragmentShader; 
};

} // namespace sf


#endif // SFML_SHADER_HPP

 ::  Copyright © 2007-2008 Laurent Gomila, all rights reserved  ::  Documentation generated by doxygen 1.5.2  ::