#pragma once

#include <glad/glad.h>
#include <renderer/rhi/rhi.h>

namespace extra2d {

/**
 * @brief OpenGL 缓冲区实现
 */
class GLBuffer : public RHIBuffer {
public:
  explicit GLBuffer(const BufferDesc &desc);
  ~GLBuffer() override;

  bool create();
  void destroy();

  bool update(const void *data, uint32_t size, uint32_t offset) override;
  void *map() override;
  void unmap() override;

  const BufferDesc &getDesc() const { return desc_; }
  uint32_t getSize() const override { return desc_.size; }
  BufferType getType() const override { return desc_.type; }
  bool isValid() const override { return buffer_ != 0; }

  GLuint getGLBuffer() const { return buffer_; }

private:
  BufferDesc desc_;
  GLuint buffer_;
};

} // namespace extra2d