ImguiVirtualGeometryVisualizer.h

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/**
* @file ImguiVirtualGeometryVisualizer.h
* @brief The ImguiVirtualGeometryVisualizer Class Definitions.
* @author Spices.
*/
 
#pragma once
#include "Core/Core.h"
#include "Slate/Imgui/ImguiUtils.h"
 
namespace Spices {
 
    /**
    * @brief The VirtualGeometryBufferID Texture's ImTextureID.
    */
    struct VirtualGeometryBufferID
    {
        ImTextureID TriangleID;          /* @brief ImTextureID of TriangleID. */
        ImTextureID MeshletID;           /* @brief ImTextureID of MeshletID.  */
 
        /**
        * @brief Free in used DescriptorSet used by GBuffer Visualizer.
        */
        void Free() const
        {
            ImGui_ImplVulkan_RemoveTexture(reinterpret_cast<VkDescriptorSet>(TriangleID));
            ImGui_ImplVulkan_RemoveTexture(reinterpret_cast<VkDescriptorSet>(MeshletID));
        }
    };
 
    /*
    * @brief The ImguiVirtualGeometryVisualizer Class.
    * This class defines how to render a VirtualGeometry Visualizer.
    */
    class ImguiVirtualGeometryVisualizer : public ImguiSlate
    {
    public:
 
        /**
        * @brief Constructor Function.
        * @param[in] panelName The Slate's name to show.
        * @param[in] frameInfo The Frame Date that in use.
        */
        ImguiVirtualGeometryVisualizer(
            const std::string& panelName,
            FrameInfo& frameInfo
        );
 
        /**
        * @brief Destructor Function.
        */
        virtual ~ImguiVirtualGeometryVisualizer() override = default;
 
        /**
        * @brief This interface is called On SlateSystem Update.
        * @param[in] ts TimeStep.
        */
        virtual void OnUpdate(TimeStep& ts) override {}
 
        /**
        * @brief This interface is called On SlateRenderer Render.
        */
        virtual void OnRender() override;
 
        /**
        * @brief This interface is called On Global Event Function Pointer is called.
        */
        virtual void OnEvent(Event& event) override;
 
    private:
 
        /**
        * @brief Event Dispatcher target. Registry on Slate(Viewport) Resized.
        * @param[in] event SlateResizeEvent.
        * @return Returns true if need block the event.
        */
        bool OnSlateResized(SlateResizeEvent& event);
 
        /**
        * @brief Query ID from RendererResourcePool.
        */
        void QueryID();
 
    private:
 
        /**
        * @brief The instance of GBufferID.
        */
        VirtualGeometryBufferID m_BufferID;
 
        /**
        * @brief The slate width.
        */
        float m_Width = 500;
 
        /**
        * @brief The slate height.
        */
        float m_Height = 500;
    };
}