graph/include/dofpass.h

#pragma once

#include <vulkan/vulkan.h>

class Renderer;
struct RenderTarget;
class Camera;

const int dofFramebufferDownscaleFactor = 4;

class DoFPass {
public:
    DoFPass(Renderer& renderer);
    ~DoFPass();
    
    void render(VkCommandBuffer commandBuffer, Camera& camera, RenderTarget* target);

    void createDescriptorSet(RenderTarget* target);
    
    VkRenderPass getRenderPass() const {
        return renderPass_;
    }
    
private:
    void createRenderPass();
    void createDescriptorSetLayout();
    void createPipeline();
    void createBokehImage();
    void createDescriptorSet();
    
    VkRenderPass renderPass_ = nullptr;
    
    VkDescriptorSetLayout setLayout_ = nullptr;
    
    VkPipelineLayout pipelineLayout_ = nullptr;
    VkPipeline pipeline_ = nullptr;
    
    VkImage bokehImage_ = nullptr;
    VkDeviceMemory bokehMemory_ = nullptr;
    VkImageView bokehImageView_ = nullptr;
    VkSampler bokehSampler_ = nullptr;
        
    Renderer& renderer_;
};