Program.h

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// Copyright © 2008-2021 Pioneer Developers. See AUTHORS.txt for details
// Licensed under the terms of the GPL v3. See licenses/GPL-3.txt
 
#ifndef _GRAPHICS_OGLPROGRAM_H
#define _GRAPHICS_OGLPROGRAM_H
/*
 * The new 'Shader' class
 * This is a base class without specific uniforms
 */
#include "OpenGLLibs.h"
#include "Uniform.h"
 
#include <string>
 
namespace Graphics {
 
    namespace OGL {
 
        struct ShaderException {};
 
        struct ProgramException {};
 
        class Program {
        public:
            Program();
            Program(const std::string &name, const std::string &defines);
            virtual ~Program();
            void Reload();
            virtual void Use();
            virtual void Unuse();
            bool Loaded() const { return success; }
 
            // Uniforms.
            Uniform uProjectionMatrix;
            Uniform uViewMatrix;
            Uniform uViewMatrixInverse;
            Uniform uViewProjectionMatrix;
            Uniform uNormalMatrix;
 
            Uniform invLogZfarPlus1;
            Uniform diffuse;
            Uniform emission;
            Uniform specular;
            Uniform shininess;
            Uniform texture0;
            Uniform texture1;
            Uniform texture2;
            Uniform texture3;
            Uniform texture4;
            Uniform texture5;
            Uniform texture6;
            Uniform heatGradient;
            Uniform heatingMatrix;
            Uniform heatingNormal;
            Uniform heatingAmount;
 
            Uniform sceneAmbient;
 
            //Light uniform parameters
            struct UniformLight {
                Uniform diffuse;
                Uniform specular;
                Uniform position;
            };
            UniformLight lights[4];
 
        protected:
            static GLuint s_curProgram;
 
            void LoadShaders(const std::string &, const std::string &defines);
            virtual void InitUniforms();
            std::string m_name;
            std::string m_defines;
            GLuint m_program;
            bool success;
        };
 
    } // namespace OGL
 
} // namespace Graphics
#endif