physics_engine_Cpp/sync.cpp at master · ajegorovs/physics_engine_Cpp · GitHub

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#include "sync.h"
#include "commands.h"
#include <iostream>

Sync::Sync(){}
Sync::Sync(VkDevice* pDevice): pDevice(pDevice){}
// non-local: Resources::createTextureImage
void Sync::transitionImageLayout(VkDevice device, VkCommandPool commandPool, VkQueue graphicsQueue, VkImage image, VkFormat format, VkImageLayout oldLayout, VkImageLayout newLayout, uint32_t mipLevels) {
    VkCommandBuffer commandBuffer = Commands::beginSingleTimeCommands(device, commandPool);

    VkImageMemoryBarrier barrier{};
    barrier.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER;
    barrier.oldLayout = oldLayout;
    barrier.newLayout = newLayout;
    barrier.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
    barrier.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
    barrier.image = image;
    barrier.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
    barrier.subresourceRange.baseMipLevel = 0;
    barrier.subresourceRange.levelCount = mipLevels;
    barrier.subresourceRange.baseArrayLayer = 0;
    barrier.subresourceRange.layerCount = 1;

    VkPipelineStageFlags sourceStage;
    VkPipelineStageFlags destinationStage;

    if (oldLayout == VK_IMAGE_LAYOUT_UNDEFINED && newLayout == VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL) {
        barrier.srcAccessMask = 0;
        barrier.dstAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT;

        sourceStage = VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT;
        destinationStage = VK_PIPELINE_STAGE_TRANSFER_BIT;
    }
    else if (oldLayout == VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL && newLayout == VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL) {
        barrier.srcAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT;
        barrier.dstAccessMask = VK_ACCESS_SHADER_READ_BIT;

        sourceStage = VK_PIPELINE_STAGE_TRANSFER_BIT;
        destinationStage = VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT;
    }
    else {
        throw std::invalid_argument("unsupported layout transition!");
    }

    vkCmdPipelineBarrier(
        commandBuffer,
        sourceStage, destinationStage,
        0,
        0, nullptr,
        0, nullptr,
        1, &barrier
    );

    Commands::endSingleTimeCommands(device, graphicsQueue, commandPool, commandBuffer);
}
// Vulkan init;
void Sync::createSyncObjects() {
    imageAvailableSemaphores.resize(MAX_FRAMES_IN_FLIGHT);
    renderFinishedSemaphores.resize(MAX_FRAMES_IN_FLIGHT);
    computeFinishedSemaphores.resize(MAX_FRAMES_IN_FLIGHT);
    lbvhComputeSemaphore.resize(MAX_FRAMES_IN_FLIGHT);

    inFlightFences.resize(MAX_FRAMES_IN_FLIGHT);
    computeInFlightFences.resize(MAX_FRAMES_IN_FLIGHT);
    lbvhComputeFence.resize(MAX_FRAMES_IN_FLIGHT);

    VkSemaphoreCreateInfo semaphoreInfo{};
    semaphoreInfo.sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO;

    VkFenceCreateInfo fenceInfo{};
    fenceInfo.sType = VK_STRUCTURE_TYPE_FENCE_CREATE_INFO;
    fenceInfo.flags = VK_FENCE_CREATE_SIGNALED_BIT;

    for (size_t i = 0; i < MAX_FRAMES_IN_FLIGHT; i++) {
        if (vkCreateSemaphore(*pDevice, &semaphoreInfo, nullptr, &imageAvailableSemaphores[i]) != VK_SUCCESS ||
            vkCreateSemaphore(*pDevice, &semaphoreInfo, nullptr, &renderFinishedSemaphores[i]) != VK_SUCCESS ||
            vkCreateFence(*pDevice, &fenceInfo, nullptr, &inFlightFences[i]) != VK_SUCCESS){
            throw std::runtime_error("failed to create synchronization objects for a frame!");
        }
        if (vkCreateSemaphore(*pDevice, &semaphoreInfo, nullptr, &computeFinishedSemaphores[i]) != VK_SUCCESS ||
            vkCreateFence(*pDevice, &fenceInfo, nullptr, &computeInFlightFences[i]) != VK_SUCCESS) {
            throw std::runtime_error("failed to create compute synchronization objects for a frame!");
        }

        if (vkCreateSemaphore(*pDevice, &semaphoreInfo, nullptr, &lbvhComputeSemaphore[i]) != VK_SUCCESS ||
            vkCreateFence(*pDevice, &fenceInfo, nullptr, &lbvhComputeFence[i]) != VK_SUCCESS) {
            throw std::runtime_error("failed to create lbvhComputeSemaphore compute synchronization object!");
        }
    }

}

void Sync::cleanup() {
    for (size_t i = 0; i < MAX_FRAMES_IN_FLIGHT; i++) {
        vkDestroySemaphore( *pDevice, renderFinishedSemaphores[i], nullptr);
        vkDestroySemaphore( *pDevice, imageAvailableSemaphores[i], nullptr);
        vkDestroySemaphore( *pDevice, computeFinishedSemaphores[i], nullptr);
        vkDestroyFence(     *pDevice, inFlightFences[i], nullptr);
        vkDestroyFence(     *pDevice, computeInFlightFences[i], nullptr);
        vkDestroySemaphore(*pDevice, lbvhComputeSemaphore[i], nullptr);
        vkDestroyFence(*pDevice, lbvhComputeFence[i], nullptr);
    }

}