DepthAtlasFrameBuffer.hpp

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#pragma once
 
#include <glad/glad.h>
#include <memory>
 
#include <AssetManager/Texture.hpp>
 
namespace shkyera {
 
class DepthAtlasFrameBuffer {
 public:
  DepthAtlasFrameBuffer(int texturesInAtlas, GLenum minFilter = GL_NEAREST, GLenum magFilter = GL_NEAREST,
                        GLenum wrapS = GL_CLAMP_TO_EDGE, GLenum wrapT = GL_CLAMP_TO_EDGE);
  ~DepthAtlasFrameBuffer();
 
  DepthAtlasFrameBuffer(const DepthAtlasFrameBuffer& other) = delete;
  DepthAtlasFrameBuffer& operator=(const DepthAtlasFrameBuffer& other) = delete;
 
  DepthAtlasFrameBuffer(DepthAtlasFrameBuffer&& other) noexcept;
  DepthAtlasFrameBuffer& operator=(DepthAtlasFrameBuffer&& other) noexcept;
 
  void bind();
  void bind(int index);
  void unbind();
  void clear();
 
  void setSize(uint32_t width, uint32_t height);
  const Texture& getTexture() const { return _textureDepthBuffer; }
 
  int getNumberOfTextures() const;
 
 private:
  void setupFramebuffer();
 
  int _texturesInAtlas;
  int _width, _height;
  GLuint _fbo, _rbo;
  Texture _textureDepthBuffer;
};
 
}  // namespace shkyera