Swapchain.hpp

#pragma once
 
#include "Common.hpp"
#include "graphics/GPUObjects.hpp"
#include "system/Config.hpp"
#include "resources/Texture.hpp"
 
// Forward declarations.
struct GPUContext;
 
class Swapchain {
 
public:
 
    Swapchain(GPUContext & context, const RenderingConfig & config);
 
    void resize(uint w, uint h);
 
    bool nextFrame();
 
    uint count(){ return _imageCount; }
    
    uint minCount(){ return _minImageCount; }
 
    ~Swapchain();
 
    Texture& color(){ return *_backbuffer; }
 
    Texture& depth(){ return _depth; }
 
    void getFormats(VkFormat& color, VkFormat& depth, VkFormat& stencil);
 
private:
 
    void setup(uint32_t width, uint32_t height);
 
    bool finishFrame();
    
    void clean();
 
    GPUContext* _context = nullptr; 
    VkSwapchainKHR _swapchain = VK_NULL_HANDLE; 
 
    std::vector<Texture> _colors; 
    Texture _depth; 
    Texture* _backbuffer = nullptr; 
 
    std::vector<VkSemaphore> _imagesAvailable; 
    std::vector<VkSemaphore> _framesFinished; 
    std::vector<VkFence> _framesInFlight; 
 
    uint _imageCount = 0; 
    uint _minImageCount = 0; 
    bool _vsync = false; 
    uint32_t _imageIndex = 0; 
    bool _frameStarted = false; 
};