VkTexture.hpp

#pragma once
#include <RGL/Types.hpp>
#include <RGL/Texture.hpp>
#include <RGL/Span.hpp>
#include <volk.h>
#include <memory>
#include <vector>
#include <string>
 
struct VmaAllocation_T;
 
namespace RGL {
    struct DeviceVk;
    struct TextureVk : public ITexture, public std::enable_shared_from_this<TextureVk> {
        VkImageView vkImageView = VK_NULL_HANDLE;
        VkImage vkImage = VK_NULL_HANDLE;
        struct SwapchainVK* owningSwapchain = nullptr;  // will remain null if the texture is not created by a swapchain
        const std::shared_ptr<DeviceVk> owningDevice;
        bool owning = false;
        TextureVk(decltype(owningDevice), decltype(vkImageView) imageView, decltype(vkImage) image, const Dimension& size);
        TextureVk(decltype(owningDevice), const TextureConfig&, const TextureUploadData& bytes);
        TextureVk(decltype(owningDevice), const TextureConfig&);
        Dimension GetSize() const final;
        virtual ~TextureVk();
 
        const TextureConfig createdConfig;
        VkImageAspectFlags createdAspectVk = VK_IMAGE_ASPECT_COLOR_BIT;
        VkFormat format;
 
        VkImageLayout nativeFormat = VK_IMAGE_LAYOUT_UNDEFINED;
 
        VmaAllocation_T* alloc = VK_NULL_HANDLE;
 
        TextureView GetDefaultView() const final;
        TextureView GetViewForMip(uint32_t mip) const final;
 
        RGLCustomTextureViewPtr MakeCustomTextureView(const CustomTextureViewConfig& config) const;
 
        std::vector<TextureView> mipViews;
 
        std::string debugName;
 
        uint32_t globalDescriptorIndex = 0;
 
        uint8_t GetNumMips() const final {
            return createdConfig.mipLevels;
        }
    };
 
    struct CustomTextureViewVk : public ICustomTextureView {
        const std::shared_ptr<const TextureVk> owningTexture = nullptr;
        const CustomTextureViewConfig config;
        CustomTextureViewVk(decltype(owningTexture) owning, const CustomTextureViewConfig& config);
 
        VkImageView imageView = VK_NULL_HANDLE;
 
        ~CustomTextureViewVk();
 
        TextureView GetView() const;
    };
}