mirror of
https://github.com/GreemDev/Ryujinx.git
synced 2024-12-18 21:05:54 +01:00
448 lines
15 KiB
C#
448 lines
15 KiB
C#
using Ryujinx.Graphics.GAL;
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using Silk.NET.Vulkan;
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using System;
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using System.Linq;
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using VkFormat = Silk.NET.Vulkan.Format;
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namespace Ryujinx.Graphics.Vulkan
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{
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class Window : WindowBase, IDisposable
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{
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private const int SurfaceWidth = 1280;
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private const int SurfaceHeight = 720;
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private readonly VulkanRenderer _gd;
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private readonly SurfaceKHR _surface;
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private readonly PhysicalDevice _physicalDevice;
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private readonly Device _device;
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private SwapchainKHR _swapchain;
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private Image[] _swapchainImages;
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private Auto<DisposableImageView>[] _swapchainImageViews;
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private Semaphore _imageAvailableSemaphore;
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private Semaphore _renderFinishedSemaphore;
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private int _width;
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private int _height;
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private bool _vsyncEnabled;
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private bool _vsyncModeChanged;
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private VkFormat _format;
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public unsafe Window(VulkanRenderer gd, SurfaceKHR surface, PhysicalDevice physicalDevice, Device device)
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{
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_gd = gd;
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_physicalDevice = physicalDevice;
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_device = device;
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_surface = surface;
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CreateSwapchain();
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var semaphoreCreateInfo = new SemaphoreCreateInfo()
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{
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SType = StructureType.SemaphoreCreateInfo
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};
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gd.Api.CreateSemaphore(device, semaphoreCreateInfo, null, out _imageAvailableSemaphore).ThrowOnError();
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gd.Api.CreateSemaphore(device, semaphoreCreateInfo, null, out _renderFinishedSemaphore).ThrowOnError();
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}
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private void RecreateSwapchain()
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{
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_vsyncModeChanged = false;
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for (int i = 0; i < _swapchainImageViews.Length; i++)
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{
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_swapchainImageViews[i].Dispose();
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}
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CreateSwapchain();
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}
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private unsafe void CreateSwapchain()
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{
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_gd.SurfaceApi.GetPhysicalDeviceSurfaceCapabilities(_physicalDevice, _surface, out var capabilities);
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uint surfaceFormatsCount;
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_gd.SurfaceApi.GetPhysicalDeviceSurfaceFormats(_physicalDevice, _surface, &surfaceFormatsCount, null);
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var surfaceFormats = new SurfaceFormatKHR[surfaceFormatsCount];
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fixed (SurfaceFormatKHR* pSurfaceFormats = surfaceFormats)
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{
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_gd.SurfaceApi.GetPhysicalDeviceSurfaceFormats(_physicalDevice, _surface, &surfaceFormatsCount, pSurfaceFormats);
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}
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uint presentModesCount;
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_gd.SurfaceApi.GetPhysicalDeviceSurfacePresentModes(_physicalDevice, _surface, &presentModesCount, null);
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var presentModes = new PresentModeKHR[presentModesCount];
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fixed (PresentModeKHR* pPresentModes = presentModes)
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{
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_gd.SurfaceApi.GetPhysicalDeviceSurfacePresentModes(_physicalDevice, _surface, &presentModesCount, pPresentModes);
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}
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uint imageCount = capabilities.MinImageCount + 1;
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if (capabilities.MaxImageCount > 0 && imageCount > capabilities.MaxImageCount)
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{
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imageCount = capabilities.MaxImageCount;
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}
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var surfaceFormat = ChooseSwapSurfaceFormat(surfaceFormats);
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var extent = ChooseSwapExtent(capabilities);
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_width = (int)extent.Width;
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_height = (int)extent.Height;
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_format = surfaceFormat.Format;
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var oldSwapchain = _swapchain;
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var swapchainCreateInfo = new SwapchainCreateInfoKHR()
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{
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SType = StructureType.SwapchainCreateInfoKhr,
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Surface = _surface,
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MinImageCount = imageCount,
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ImageFormat = surfaceFormat.Format,
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ImageColorSpace = surfaceFormat.ColorSpace,
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ImageExtent = extent,
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ImageUsage = ImageUsageFlags.ColorAttachmentBit | ImageUsageFlags.TransferDstBit,
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ImageSharingMode = SharingMode.Exclusive,
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ImageArrayLayers = 1,
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PreTransform = capabilities.CurrentTransform,
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CompositeAlpha = CompositeAlphaFlagsKHR.OpaqueBitKhr,
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PresentMode = ChooseSwapPresentMode(presentModes, _vsyncEnabled),
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Clipped = true,
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OldSwapchain = oldSwapchain
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};
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_gd.SwapchainApi.CreateSwapchain(_device, swapchainCreateInfo, null, out _swapchain).ThrowOnError();
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_gd.SwapchainApi.GetSwapchainImages(_device, _swapchain, &imageCount, null);
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_swapchainImages = new Image[imageCount];
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fixed (Image* pSwapchainImages = _swapchainImages)
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{
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_gd.SwapchainApi.GetSwapchainImages(_device, _swapchain, &imageCount, pSwapchainImages);
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}
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_swapchainImageViews = new Auto<DisposableImageView>[imageCount];
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for (int i = 0; i < imageCount; i++)
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{
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_swapchainImageViews[i] = CreateSwapchainImageView(_swapchainImages[i], surfaceFormat.Format);
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}
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}
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private unsafe Auto<DisposableImageView> CreateSwapchainImageView(Image swapchainImage, VkFormat format)
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{
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var componentMapping = new ComponentMapping(
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ComponentSwizzle.R,
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ComponentSwizzle.G,
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ComponentSwizzle.B,
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ComponentSwizzle.A);
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var aspectFlags = ImageAspectFlags.ColorBit;
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var subresourceRange = new ImageSubresourceRange(aspectFlags, 0, 1, 0, 1);
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var imageCreateInfo = new ImageViewCreateInfo()
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{
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SType = StructureType.ImageViewCreateInfo,
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Image = swapchainImage,
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ViewType = ImageViewType.Type2D,
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Format = format,
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Components = componentMapping,
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SubresourceRange = subresourceRange
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};
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_gd.Api.CreateImageView(_device, imageCreateInfo, null, out var imageView).ThrowOnError();
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return new Auto<DisposableImageView>(new DisposableImageView(_gd.Api, _device, imageView));
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}
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private static SurfaceFormatKHR ChooseSwapSurfaceFormat(SurfaceFormatKHR[] availableFormats)
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{
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if (availableFormats.Length == 1 && availableFormats[0].Format == VkFormat.Undefined)
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{
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return new SurfaceFormatKHR(VkFormat.B8G8R8A8Unorm, ColorSpaceKHR.PaceSrgbNonlinearKhr);
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}
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foreach (var format in availableFormats)
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{
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if (format.Format == VkFormat.B8G8R8A8Unorm && format.ColorSpace == ColorSpaceKHR.PaceSrgbNonlinearKhr)
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{
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return format;
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}
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}
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return availableFormats[0];
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}
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private static PresentModeKHR ChooseSwapPresentMode(PresentModeKHR[] availablePresentModes, bool vsyncEnabled)
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{
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if (!vsyncEnabled && availablePresentModes.Contains(PresentModeKHR.ImmediateKhr))
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{
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return PresentModeKHR.ImmediateKhr;
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}
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else if (availablePresentModes.Contains(PresentModeKHR.MailboxKhr))
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{
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return PresentModeKHR.MailboxKhr;
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}
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else if (availablePresentModes.Contains(PresentModeKHR.FifoKhr))
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{
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return PresentModeKHR.FifoKhr;
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}
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else
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{
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return PresentModeKHR.FifoKhr;
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}
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}
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public static Extent2D ChooseSwapExtent(SurfaceCapabilitiesKHR capabilities)
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{
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if (capabilities.CurrentExtent.Width != uint.MaxValue)
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{
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return capabilities.CurrentExtent;
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}
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else
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{
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uint width = Math.Max(capabilities.MinImageExtent.Width, Math.Min(capabilities.MaxImageExtent.Width, SurfaceWidth));
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uint height = Math.Max(capabilities.MinImageExtent.Height, Math.Min(capabilities.MaxImageExtent.Height, SurfaceHeight));
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return new Extent2D(width, height);
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}
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}
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public unsafe override void Present(ITexture texture, ImageCrop crop, Action swapBuffersCallback)
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{
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uint nextImage = 0;
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while (true)
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{
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var acquireResult = _gd.SwapchainApi.AcquireNextImage(
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_device,
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_swapchain,
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ulong.MaxValue,
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_imageAvailableSemaphore,
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new Fence(),
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ref nextImage);
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if (acquireResult == Result.ErrorOutOfDateKhr ||
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acquireResult == Result.SuboptimalKhr ||
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_vsyncModeChanged)
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{
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RecreateSwapchain();
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}
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else
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{
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acquireResult.ThrowOnError();
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break;
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}
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}
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var swapchainImage = _swapchainImages[nextImage];
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_gd.FlushAllCommands();
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var cbs = _gd.CommandBufferPool.Rent();
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Transition(
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cbs.CommandBuffer,
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swapchainImage,
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0,
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AccessFlags.TransferWriteBit,
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ImageLayout.Undefined,
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ImageLayout.General);
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var view = (TextureView)texture;
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int srcX0, srcX1, srcY0, srcY1;
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float scale = view.ScaleFactor;
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if (crop.Left == 0 && crop.Right == 0)
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{
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srcX0 = 0;
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srcX1 = (int)(view.Width / scale);
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}
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else
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{
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srcX0 = crop.Left;
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srcX1 = crop.Right;
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}
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if (crop.Top == 0 && crop.Bottom == 0)
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{
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srcY0 = 0;
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srcY1 = (int)(view.Height / scale);
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}
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else
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{
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srcY0 = crop.Top;
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srcY1 = crop.Bottom;
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}
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if (scale != 1f)
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{
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srcX0 = (int)(srcX0 * scale);
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srcY0 = (int)(srcY0 * scale);
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srcX1 = (int)Math.Ceiling(srcX1 * scale);
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srcY1 = (int)Math.Ceiling(srcY1 * scale);
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}
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if (ScreenCaptureRequested)
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{
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CaptureFrame(view, srcX0, srcY0, srcX1 - srcX0, srcY1 - srcY0, view.Info.Format.IsBgr(), crop.FlipX, crop.FlipY);
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ScreenCaptureRequested = false;
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}
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float ratioX = crop.IsStretched ? 1.0f : MathF.Min(1.0f, _height * crop.AspectRatioX / (_width * crop.AspectRatioY));
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float ratioY = crop.IsStretched ? 1.0f : MathF.Min(1.0f, _width * crop.AspectRatioY / (_height * crop.AspectRatioX));
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int dstWidth = (int)(_width * ratioX);
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int dstHeight = (int)(_height * ratioY);
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int dstPaddingX = (_width - dstWidth) / 2;
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int dstPaddingY = (_height - dstHeight) / 2;
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int dstX0 = crop.FlipX ? _width - dstPaddingX : dstPaddingX;
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int dstX1 = crop.FlipX ? dstPaddingX : _width - dstPaddingX;
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int dstY0 = crop.FlipY ? dstPaddingY : _height - dstPaddingY;
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int dstY1 = crop.FlipY ? _height - dstPaddingY : dstPaddingY;
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_gd.HelperShader.Blit(
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_gd,
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cbs,
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view,
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_swapchainImageViews[nextImage],
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_width,
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_height,
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_format,
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new Extents2D(srcX0, srcY0, srcX1, srcY1),
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new Extents2D(dstX0, dstY1, dstX1, dstY0),
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true,
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true);
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Transition(
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cbs.CommandBuffer,
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swapchainImage,
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0,
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0,
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ImageLayout.General,
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ImageLayout.PresentSrcKhr);
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_gd.CommandBufferPool.Return(
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cbs,
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stackalloc[] { _imageAvailableSemaphore },
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stackalloc[] { PipelineStageFlags.ColorAttachmentOutputBit },
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stackalloc[] { _renderFinishedSemaphore });
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// TODO: Present queue.
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var semaphore = _renderFinishedSemaphore;
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var swapchain = _swapchain;
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Result result;
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var presentInfo = new PresentInfoKHR()
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{
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SType = StructureType.PresentInfoKhr,
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WaitSemaphoreCount = 1,
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PWaitSemaphores = &semaphore,
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SwapchainCount = 1,
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PSwapchains = &swapchain,
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PImageIndices = &nextImage,
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PResults = &result
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};
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lock (_gd.QueueLock)
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{
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_gd.SwapchainApi.QueuePresent(_gd.Queue, presentInfo);
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}
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}
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private unsafe void Transition(
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CommandBuffer commandBuffer,
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Image image,
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AccessFlags srcAccess,
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AccessFlags dstAccess,
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ImageLayout srcLayout,
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ImageLayout dstLayout)
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{
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var subresourceRange = new ImageSubresourceRange(ImageAspectFlags.ColorBit, 0, 1, 0, 1);
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var barrier = new ImageMemoryBarrier()
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{
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SType = StructureType.ImageMemoryBarrier,
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SrcAccessMask = srcAccess,
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DstAccessMask = dstAccess,
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OldLayout = srcLayout,
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NewLayout = dstLayout,
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SrcQueueFamilyIndex = Vk.QueueFamilyIgnored,
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DstQueueFamilyIndex = Vk.QueueFamilyIgnored,
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Image = image,
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SubresourceRange = subresourceRange
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};
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_gd.Api.CmdPipelineBarrier(
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commandBuffer,
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PipelineStageFlags.TopOfPipeBit,
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PipelineStageFlags.AllCommandsBit,
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0,
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0,
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null,
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0,
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null,
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1,
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barrier);
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}
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private void CaptureFrame(TextureView texture, int x, int y, int width, int height, bool isBgra, bool flipX, bool flipY)
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{
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byte[] bitmap = texture.GetData(x, y, width, height);
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_gd.OnScreenCaptured(new ScreenCaptureImageInfo(width, height, isBgra, bitmap, flipX, flipY));
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}
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public override void SetSize(int width, int height)
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{
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// Not needed as we can get the size from the surface.
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}
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public override void ChangeVSyncMode(bool vsyncEnabled)
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{
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_vsyncEnabled = vsyncEnabled;
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_vsyncModeChanged = true;
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}
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protected virtual void Dispose(bool disposing)
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{
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if (disposing)
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{
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unsafe
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{
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_gd.Api.DestroySemaphore(_device, _renderFinishedSemaphore, null);
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_gd.Api.DestroySemaphore(_device, _imageAvailableSemaphore, null);
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for (int i = 0; i < _swapchainImageViews.Length; i++)
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{
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_swapchainImageViews[i].Dispose();
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}
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_gd.SwapchainApi.DestroySwapchain(_device, _swapchain, null);
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}
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}
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}
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public override void Dispose()
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{
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Dispose(true);
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}
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}
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}
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