SwapchainOpenXR.h

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/* ----------------------
* Copyright 2023 Université Libre de Bruxelles(ULB), Universidad Politécnica de Madrid(UPM), CREAL, Deutsches Zentrum für Luft - und Raumfahrt(DLR)
 
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at < http://www.apache.org/licenses/LICENSE-2.0>
 
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissionsand
* limitations under the License.
---------------------- */
 
 
 
/*****************************************************************/
#pragma once
#include "SwapchainAbstract.h"
#include "openXRHelp.h"
#include "SourcesVulkan/commonVulkan.h"
 
#include <variant>
 
class SwapchainOpenXR : public SwapchainAbstract {
public:
    SwapchainOpenXR(int64_t format,const XrViewConfigurationView& vp, WindowAbstract* window, VulkanWrapper* wrapper, XrSession * session);
    std::tuple<uint32_t, std::optional<vk::Semaphore> > acquireImage() override;
    void presentImage(uint32_t imageIndex, vk::Semaphore & renderingFinnished) override;
    void presentImage(uint32_t imageIndex, vk::Fence & renderingFinnishedFence) override;
    vk::ImageView getSwapchainImageView(int elem) override;
    vk::Image getSwapchainImage(int index) override;
    
    void cleanup() override;
    int getAttachmentSize() override;
    vk::Image getCurrentImage() override;
 
private:
    bool isDepth = false;
    uint32_t currentImage = 0;
    /* OpenXR struct that contains the images of the swapchain */
    std::vector<XrSwapchainImageBaseHeader*> xrSwapchainImagesBase;
    std::vector<XrSwapchainImageVulkanKHR> swapChainImagesXr;
 
    void createSwapchain(const XrViewConfigurationView& vp, XrSession* session , int64_t format);
    void createSwapchainImageViews();
    std::vector<XrSwapchainImageBaseHeader*> initPresentation(uint32_t count, XrSwapchainCreateInfo swapchainInfo);
 
    Swapchain xrswapchain;
 
 
};