Method Present

Source/Engine/GraphicsDevice/Vulkan/GPUSwapChainVulkan.cpp:448–484

}

GPUSwapChainVulkan::Status GPUSwapChainVulkan::Present(QueueVulkan* presentQueue, SemaphoreVulkan* backBufferRenderingDoneSemaphore)
{
    if (_currentImageIndex == -1)
        return Status::Ok;
    PROFILE_CPU_NAMED("vkQueuePresentKHR");

    VkPresentInfoKHR presentInfo;
    RenderToolsVulkan::ZeroStruct(presentInfo, VK_STRUCTURE_TYPE_PRESENT_INFO_KHR);
    VkSemaphore semaphore;
    if (backBufferRenderingDoneSemaphore)
    {
        presentInfo.waitSemaphoreCount = 1;
        semaphore = backBufferRenderingDoneSemaphore->GetHandle();
        presentInfo.pWaitSemaphores = &semaphore;
    }
    presentInfo.swapchainCount = 1;
    presentInfo.pSwapchains = &_swapChain;
    presentInfo.pImageIndices = (uint32*)&_currentImageIndex;

    const VkResult presentResult = vkQueuePresentKHR(presentQueue->GetHandle(), &presentInfo);
    if (presentResult == VK_ERROR_OUT_OF_DATE_KHR)
    {
        return Status::Outdated;
    }
    if (presentResult == VK_ERROR_SURFACE_LOST_KHR)
    {
        return Status::LostSurface;
    }
#if GPU_ENABLE_ASSERTION
    if (presentResult != VK_SUCCESS && presentResult != VK_SUBOPTIMAL_KHR)
    {
        VALIDATE_VULKAN_RESULT(presentResult);
    }
#endif

    return Status::Ok;
}

int32 GPUSwapChainVulkan::DoAcquireImageIndex(GPUSwapChainVulkan* viewport, void* customData)
{