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using System;
using Avalonia;
using Silk.NET.Vulkan;
namespace Ryujinx.Ava.Ui.Vulkan
{
internal class VulkanImage : IDisposable
{
private readonly VulkanDevice _device;
private readonly VulkanPhysicalDevice _physicalDevice;
private readonly VulkanCommandBufferPool _commandBufferPool;
private ImageLayout _currentLayout;
private AccessFlags _currentAccessFlags;
private ImageUsageFlags _imageUsageFlags { get; }
private ImageView? _imageView { get; set; }
private DeviceMemory _imageMemory { get; set; }
internal Image? InternalHandle { get; private set; }
internal Format Format { get; }
internal ImageAspectFlags AspectFlags { get; private set; }
public ulong Handle => InternalHandle?.Handle ?? 0;
public ulong ViewHandle => _imageView?.Handle ?? 0;
public uint UsageFlags => (uint)_imageUsageFlags;
public ulong MemoryHandle => _imageMemory.Handle;
public uint MipLevels { get; private set; }
public PixelSize Size { get; }
public ulong MemorySize { get; private set; }
public uint CurrentLayout => (uint)_currentLayout;
public VulkanImage(
VulkanDevice device,
VulkanPhysicalDevice physicalDevice,
VulkanCommandBufferPool commandBufferPool,
uint format,
PixelSize size,
uint mipLevels = 0)
{
_device = device;
_physicalDevice = physicalDevice;
_commandBufferPool = commandBufferPool;
Format = (Format)format;
Size = size;
MipLevels = mipLevels;
_imageUsageFlags =
ImageUsageFlags.ImageUsageColorAttachmentBit | ImageUsageFlags.ImageUsageTransferDstBit |
ImageUsageFlags.ImageUsageTransferSrcBit | ImageUsageFlags.ImageUsageSampledBit;
Initialize();
}
public unsafe void Initialize()
{
if (!InternalHandle.HasValue)
{
MipLevels = MipLevels != 0 ? MipLevels : (uint)Math.Floor(Math.Log(Math.Max(Size.Width, Size.Height), 2));
var imageCreateInfo = new ImageCreateInfo
{
SType = StructureType.ImageCreateInfo,
ImageType = ImageType.ImageType2D,
Format = Format,
Extent = new Extent3D((uint?)Size.Width, (uint?)Size.Height, 1),
MipLevels = MipLevels,
ArrayLayers = 1,
Samples = SampleCountFlags.SampleCount1Bit,
Tiling = Tiling,
Usage = _imageUsageFlags,
SharingMode = SharingMode.Exclusive,
InitialLayout = ImageLayout.Undefined,
Flags = ImageCreateFlags.ImageCreateMutableFormatBit
};
_device.Api.CreateImage(_device.InternalHandle, imageCreateInfo, null, out var image).ThrowOnError();
InternalHandle = image;
_device.Api.GetImageMemoryRequirements(_device.InternalHandle, InternalHandle.Value,
out var memoryRequirements);
var memoryAllocateInfo = new MemoryAllocateInfo
{
SType = StructureType.MemoryAllocateInfo,
AllocationSize = memoryRequirements.Size,
MemoryTypeIndex = (uint)VulkanMemoryHelper.FindSuitableMemoryTypeIndex(
_physicalDevice,
memoryRequirements.MemoryTypeBits, MemoryPropertyFlags.MemoryPropertyDeviceLocalBit)
};
_device.Api.AllocateMemory(_device.InternalHandle, memoryAllocateInfo, null,
out var imageMemory);
_imageMemory = imageMemory;
_device.Api.BindImageMemory(_device.InternalHandle, InternalHandle.Value, _imageMemory, 0);
MemorySize = memoryRequirements.Size;
var componentMapping = new ComponentMapping(
ComponentSwizzle.Identity,
ComponentSwizzle.Identity,
ComponentSwizzle.Identity,
ComponentSwizzle.Identity);
AspectFlags = ImageAspectFlags.ImageAspectColorBit;
var subresourceRange = new ImageSubresourceRange(AspectFlags, 0, MipLevels, 0, 1);
var imageViewCreateInfo = new ImageViewCreateInfo
{
SType = StructureType.ImageViewCreateInfo,
Image = InternalHandle.Value,
ViewType = ImageViewType.ImageViewType2D,
Format = Format,
Components = componentMapping,
SubresourceRange = subresourceRange
};
_device.Api
.CreateImageView(_device.InternalHandle, imageViewCreateInfo, null, out var imageView)
.ThrowOnError();
_imageView = imageView;
_currentLayout = ImageLayout.Undefined;
TransitionLayout(ImageLayout.ColorAttachmentOptimal, AccessFlags.AccessNoneKhr);
}
}
public ImageTiling Tiling => ImageTiling.Optimal;
internal void TransitionLayout(ImageLayout destinationLayout, AccessFlags destinationAccessFlags)
{
var commandBuffer = _commandBufferPool.CreateCommandBuffer();
commandBuffer.BeginRecording();
VulkanMemoryHelper.TransitionLayout(_device, commandBuffer.InternalHandle, InternalHandle.Value,
_currentLayout,
_currentAccessFlags,
destinationLayout, destinationAccessFlags,
MipLevels);
commandBuffer.EndRecording();
commandBuffer.Submit();
_currentLayout = destinationLayout;
_currentAccessFlags = destinationAccessFlags;
}
public void TransitionLayout(uint destinationLayout, uint destinationAccessFlags)
{
TransitionLayout((ImageLayout)destinationLayout, (AccessFlags)destinationAccessFlags);
}
public unsafe void Dispose()
{
_device.Api.DestroyImageView(_device.InternalHandle, _imageView.Value, null);
_device.Api.DestroyImage(_device.InternalHandle, InternalHandle.Value, null);
_device.Api.FreeMemory(_device.InternalHandle, _imageMemory, null);
_imageView = default;
InternalHandle = default;
_imageMemory = default;
}
}
}
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