VulkanFramebuffer.h

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#pragma once
 
#include <vulkan/vulkan_core.h>
#include "VulkanRenderPass.h"
 
namespace Karma
{
    // Forward declaration
    class FVulkanDevice;
    class FVulkanRenderTargetLayout;
 
    class FVulkanRenderPass;

    class FVulkanRenderTargetsInfo
    {
    public:
        struct ColorRenderTarget
        {
            VkImage m_ColorRTImages[MaxSimultaneousRenderTargets];
            
            VkDeviceMemory m_ColorRTDeviceMemory[MaxSimultaneousRenderTargets];
            VkImageView m_ColorRTViews[MaxSimultaneousRenderTargets];
            
            bool bSwapChainColorRenderTarget = false;
        };
 
        struct DepthRenderTarget
        {
            VkImage m_DepthRTImage;
            
            VkDeviceMemory m_DepthRTDeviceMemory;
            VkImageView m_DepthRTView;
        };

        std::vector<ColorRenderTarget> m_ColorRenderTargets;
        uint32_t m_NumColorRenderTargets;
 
        // Depth render target information
        bool bDepthRenderTarget = false;
        DepthRenderTarget m_DepthRenderTarget;
    };

    class FVulkanFramebuffer
    {
    public:
        FVulkanFramebuffer(FVulkanDevice& Device, const FVulkanRenderTargetsInfo& InRTInfo, const FVulkanRenderTargetLayout& RTLayout, const FVulkanRenderPass& RenderPass, uint32_t SwapchainImageIndex);
 
        VkFramebuffer GetHandle() const { return m_Framebuffer; }
        
        ~FVulkanFramebuffer();
 
    private:
        class FVulkanDevice& m_Device;
        
        VkFramebuffer m_Framebuffer;
        VkRect2D m_RenderArea;
 
        KarmaVector<VkImageView> m_ImageViews;
    };
}