VKRenderPass.hpp

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//
//  CeresEngine - A game development framework
//
//  Created by Rogiel Sulzbach.
//  Copyright (c) 2018-2022 Rogiel Sulzbach. All rights reserved.
//
 
#pragma once
 
#include "VKCommon.hpp"
 
#include "CeresEngine/DataTypes.hpp"
#include "CeresEngine/Macros.hpp"
 
#include "CeresEngine/RenderAPI/GPURenderPass.hpp"
 
namespace CeresEngine {
 
    class VKDevice;
    class VKGraphicsPipeline;
 
    class VKRenderTarget;
 
    class VKRenderPass final : public GPURenderPass, public VKDeviceObject<VKRenderPass, GPURenderPass> {
    private:
        const GPURenderPassDescriptor descriptorVK;
 
        VkRenderPass mRenderPass = VK_NULL_HANDLE;
 
        UInt32 mNumberOfColorAttachments = 0;
 
        Vector<GPUAttachmentFormatDescriptor, VKAllocator> mColorAttachments{gVKAllocator()};
 
        GPUAttachmentFormatDescriptor mDepthAttachment;
 
        GPUAttachmentFormatDescriptor mStencilAttachment;
 
    public:
        VKRenderPass(VKDevice& device, const GPURenderPassDescriptor& descriptor);
        ~VKRenderPass() final;
 
        void destroy() noexcept final;
 
        using Allocator = VKObjectAllocator;
 
        static Allocator& getAllocator() noexcept;
 
        static void* operator new(size_t size) noexcept;
 
        static void operator delete(void* p, std::size_t size) noexcept;
 
        [[nodiscard]] CE_EXPLICIT_FALSE operator VkRenderPass() const noexcept { return mRenderPass; }
 
    public:
        void begin(GPUCommandBuffer& commandBuffer, GPURenderTarget& renderTarget, const Color& clearColor = Color(0.0, 0.0, 0.0, 0.0)) final;
 
        void end(GPUCommandBuffer& commandBuffer, GPURenderTarget& renderTarget) final;
 
    public:
        [[nodiscard]] UInt32 getNumberOfColorAttachments() const { return mNumberOfColorAttachments; }
 
        void prepareRenderTarget(VkCommandBuffer commandBuffer, const VKRenderTarget& renderTarget);
        void finishRenderTarget(VkCommandBuffer commandBuffer, const VKRenderTarget& renderTarget);
    };
 
} // namespace CeresEngine