depth-buffer.hpp

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/*
 * COPYRIGHT (c) 2024 John Reppy (https://cs.uchicago.edu/~jhr)
 * All rights reserved.
 */
 
#ifndef _CS237_DEPTH_BUFFER_HPP_
#define _CS237_DEPTH_BUFFER_HPP_
 
#ifndef _CS237_HPP_
#error "cs237/depth-buffer.hpp should not be included directly"
#endif
 
namespace cs237 {
 
/* TODO: perhaps this class should be replaced in favor of DepthAttachment? */
 
class DepthBuffer {
public:
 
    //
    DepthBuffer (Application *app, uint32_t wid, uint32_t ht);
 
    ~DepthBuffer ();
 
    uint32_t width() const { return this->_wid; }
 
    uint32_t height() const { return this->_ht; }
 
    vk::Format format() const { return this->_fmt; }
 
    vk::Sampler sampler() const { return this->_sampler; }
 
    vk::ImageView imageView() const { return this->_imageView; }
 
    vk::DescriptorImageInfo imageInfo() const
    {
        return vk::DescriptorImageInfo(
            this->_sampler,
            this->_imageView,
            vk::ImageLayout::eDepthStencilReadOnlyOptimal);
    }
 
    vk::Framebuffer createFramebuffer (vk::RenderPass rp);
 
private:
    uint32_t _wid;
    uint32_t _ht;
    Application *_app;          
    vk::Format _fmt;            
    vk::Image _image;
    vk::ImageView _imageView;
    vk::DeviceMemory _mem;      
    vk::Sampler _sampler;       
 
};
 
} // namespace cs237
 
#endif // !_CS237_DEPTH_BUFFER_HPP_