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/** ---------------------------------------------------------------------------
* @file: glslprogram.h
*
* Copyright (c) 2017 Yann Herklotz Grave <ymherklotz@gmail.com>
* MIT License, see LICENSE file for more details.
* ----------------------------------------------------------------------------
*/
#ifndef GLSL_PROGRAM_H
#define GLSL_PROGRAM_H
#include <glad/glad.h>
#include <string>
namespace yage
{
class GlslProgram
{
public:
GlslProgram() = default;
GlslProgram(const GlslProgram &) = delete;
GlslProgram(GlslProgram &&) = delete;
~GlslProgram();
GlslProgram &operator=(const GlslProgram &) = delete;
GlslProgram &operator=(GlslProgram &&) = delete;
/// compiles vertex and fragment shader
void compileShaders(const std::string &vertexShader,
const std::string fragmentShader);
void compileShadersFromFile(const std::string &vertex_shader_path,
const std::string &fragment_shader_path);
void linkShaders();
void addAttribute(const std::string &attribute_name);
GLint getUniformLocation(const std::string &uniform_name);
void use();
void unuse();
void defaultSetup();
private:
/// compiled shader program id
GLuint program_id_ = 0;
GLuint vertex_shader_id_ = 0;
GLuint fragment_shader_id_ = 0;
int attribute_index_ = 0;
/// compiles one shader
void compileShader(GLuint shader, const std::string &shaderContent);
void compileShaderFromFile(GLuint shader, const std::string &file_path);
void initShaderId();
};
} // namespace yage
#endif
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