RenderPass.h

#pragma once
 
#include "LkEngine/Core/Core.h"
 
#include "UniformBuffer.h"
#include "Pipeline.h"
 
 
namespace LkEngine {
 
    enum class ERenderPassResourceType : uint16_t
    {
        None = 0,
        UniformBuffer,
        UniformBufferSet,
        StorageBuffer,
        StorageBufferSet,
        Texture2D,
        TextureCube,
        Image2D
    };
 
    enum class ERenderPassInputType : uint16_t
    {
        None = 0,
        UniformBuffer,
        StorageBuffer,
        ImageSampler1D,
        ImageSampler2D,
        ImageSampler3D, 
        StorageImage1D,
        StorageImage2D,
        StorageImage3D
    };
 
    struct FRenderPassInput
    {
        ERenderPassResourceType Type = ERenderPassResourceType::None;
    };
 
    struct FRenderPassInputDeclaration
    {
        ERenderPassInputType Type = ERenderPassInputType::None;
        uint32_t Set = 0;
        uint32_t Binding = 0;
        uint32_t Count = 0;
        std::string Name{};
    };
 
    struct FRenderPassSpecification
    {
        TObjectPtr<LPipeline> Pipeline{};
 
        glm::vec4 MarkerColor;
 
        std::string DebugName{};
    };
 
    class LRenderPass : public LObject
    {
    public:
        virtual ~LRenderPass() = default;
 
        virtual FRenderPassSpecification& GetSpecification() = 0;
        virtual const FRenderPassSpecification& GetSpecification() const = 0;
 
        virtual TObjectPtr<LPipeline> GetPipeline() const = 0;
        virtual TObjectPtr<LFramebuffer> GetTargetFramebuffer() const = 0;
 
        virtual void SetInput(std::string_view Name, TObjectPtr<LImage> Image) = 0;
        virtual void SetInput(std::string_view Name, TObjectPtr<LTexture2D> Texture) = 0;
        virtual void SetInput(std::string_view Name, TObjectPtr<LUniformBuffer> UniformBuffer) = 0;
 
        virtual TObjectPtr<LImage> GetOutput(const uint32_t Index) = 0;
        virtual TObjectPtr<LImage> GetDepthOutput() = 0;
        virtual uint32_t GetFirstSetIndex() const =0;
 
        virtual bool Validate() = 0;
        virtual bool IsInvalidated(const uint32_t Set, const uint32_t Binding) const = 0;
 
        virtual void Bake() = 0;
        virtual bool Baked() const = 0;
        virtual void Prepare() = 0;
 
        virtual void Terminate() = 0;
 
        static TObjectPtr<LRenderPass> Create(const FRenderPassSpecification& Specification);
 
    private:
        LCLASS(LRenderPass)
    };
 
}