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ryujinx-fork/Ryujinx.Graphics.Vulkan/Window.cs
2023-01-13 06:09:48 +01:00

459 lines
16 KiB
C#

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