Files
2019-01-31 02:40:31 +01:00

130 lines
3.5 KiB
C++

// This file is part of Glest <https://github.com/Glest>
//
// Copyright (C) 2018 The Glest team
//
// Glest is a fork of MegaGlest <https://megaglest.org/>
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// 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.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>
#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