Shader.h

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#pragma once
 
#include <string>
#include <unordered_map>
 
class Shader
{
public:
    Shader(const std::string &vertexPath, const std::string &fragmentPath);
    ~Shader();
    void Bind() const;
    void Unbind() const;
 
    void SetUniformMat4(const std::string &name, const float *matrix) const;
    void SetUniform3f(const std::string &name, float x, float y, float z) const;
    void SetUniform1f(const std::string &name, float value) const;
 
private:
    unsigned int m_RendererID;
    mutable std::unordered_map<std::string, int> m_UniformLocationCache;
 
    std::string LoadShaderSource(const std::string &filepath);
    unsigned int CompileShader(unsigned int type, const std::string &source);
    unsigned int CreateShaderProgram(const std::string &vertexSource, const std::string &fragmentSource);
    int GetUniformLocation(const std::string &name) const;
};