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// ==============================================================
// This file is part of Glest Shared Library (www.glest.org)
//
// Copyright (C) 2001-2008 Martiño Figueroa
//
// You can redistribute this code and/or modify it under
// the terms of the GNU General Public License as published
// by the Free Software Foundation; either version 2 of the
// License, or (at your option) any later version
// ==============================================================
#ifndef _SHARED_GRAPHICS_GL_SHADERGL_H_
#define _SHARED_GRAPHICS_GL_SHADERGL_H_
#include <map>
#include <vector>
#include "shader.h"
#include "opengl.h"
#include "leak_dumper.h"
using std::vector;
using std::string;
using std::pair;
namespace Shared{ namespace Graphics{ namespace Gl{
// =====================================================
// class ShaderProgramGl
// =====================================================
class ShaderProgramGl: public ShaderProgram{
private:
typedef pair<string, int> AttributePair;
typedef vector<AttributePair> Attributes;
private:
Attributes attributes;
GLhandleARB handle;
VertexShader *vertexShader;
FragmentShader *fragmentShader;
bool inited;
public:
ShaderProgramGl();
GLhandleARB getHandle() const {return handle;}
virtual void init();
virtual void end();
virtual void attach(VertexShader *vertexShader, FragmentShader *fragmentShader);
virtual bool link(string &messages);
virtual void activate();
virtual void deactivate();
virtual void setUniform(const string &name, int value);
virtual void setUniform(const string &name, float value);
virtual void setUniform(const string &name, const Vec2f &value);
virtual void setUniform(const string &name, const Vec3f &value);
virtual void setUniform(const string &name, const Vec4f &value);
virtual void setUniform(const string &name, const Matrix3f &value);
virtual void setUniform(const string &name, const Matrix4f &value);
void bindAttribute(const string &name, int index);
private:
GLint getLocation(const string &name);
};
// =====================================================
// class ShaderGl
// =====================================================
class ShaderGl: virtual public Shader{
protected:
GLhandleARB handle;
ShaderSource source;
bool inited;
public:
ShaderGl();
const ShaderSource *getSource() const {return &source;}
GLhandleARB getHandle() const {return handle;}
virtual void load(const string &path);
virtual bool compile(string &messages);
virtual void end();
};
// =====================================================
// class VertexShaderGl
// =====================================================
class VertexShaderGl: public VertexShader, public ShaderGl{
public:
virtual void init();
};
// =====================================================
// class FragmentShaderGl
// =====================================================
class FragmentShaderGl: public FragmentShader, public ShaderGl{
public:
virtual void init();
};
}}}//end namespace
#endif
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