/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   Shader.hpp                                         :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: ycontre <ycontre@student.42.fr>            +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2024/10/13 18:10:10 by TheRed            #+#    #+#             */
/*   Updated: 2025/01/30 22:27:43 by tomoron          ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#ifndef RT_SHADER__HPP
# define RT_SHADER__HPP

# include "RT.hpp"

class Shader
{
	public:
		Shader(std::string vertexPath, std::string fragmentPath, std::string computePath);
		~Shader(void);

		void	attach(void);
		void	setupVertexBuffer();
		void	drawTriangles();

		// void	setBool(const std::string &name, bool value) const;
		void	set_int(const std::string &name, int value) const;
		void	set_float(const std::string &name, float value) const;
		void	set_vec2(const std::string &name, const glm::vec2 &value) const;
		void	set_vec3(const std::string &name, const glm::vec3 &value) const;
		// void	setVec4(const std::string &name, const RT::Vec4f &value) const;
		void	set_mat4(const std::string &name, const glm::mat4 &value) const;

		void	set_textures(std::vector<GLuint> textureIDs);

		GLuint	getProgram(void) const;
		GLuint	getProgramCompute(void) const;

		std::vector<float> getOutputImage(void);
		

	private:
		GLuint _screen_VAO, _screen_VBO;

		GLuint	_program;
		GLuint	_program_compute;

		GLuint	_output_texture;
		GLuint	_accumulation_texture;

		GLuint	_vertex;
		GLuint	_fragment;
		GLuint	_compute;

		size_t	_size;

		void	checkCompileErrors(unsigned int shader);
};

#endif