GLBuffer.h

// Copyright 2022 ShenMian
// License(Apache-2.0)
 
#pragma once
 
#include "Buffer.h"
#include <cstddef>
#include <glad/glad.h>
 
class GLBuffer : public Buffer
{
public:
    GLBuffer(size_t size, Type type, Usage usage);
    virtual ~GLBuffer();
 
    void map(size_t size = -1, size_t offset = 0) override;
    void unmap() override;
    void flush(size_t size = -1, size_t offset = 0) override;
 
    void bind();
    operator GLuint() noexcept;
    operator GLuint() const noexcept;
 
private:
    GLuint handle;
    GLenum glType;
};