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using System;
using Avalonia;
using Silk.NET.Vulkan;
namespace Ryujinx.Ava.Ui.Vulkan.Surfaces
{
internal class VulkanSurfaceRenderTarget : IDisposable
{
private readonly VulkanPlatformInterface _platformInterface;
private readonly Format _format;
public VulkanImage Image { get; private set; }
public bool IsCorrupted { get; private set; } = true;
public uint MipLevels => Image.MipLevels;
public VulkanSurfaceRenderTarget(VulkanPlatformInterface platformInterface, VulkanSurface surface)
{
_platformInterface = platformInterface;
Display = VulkanDisplay.CreateDisplay(platformInterface.Instance, platformInterface.Device,
platformInterface.PhysicalDevice, surface);
Surface = surface;
// Skia seems to only create surfaces from images with unorm format
IsRgba = Display.SurfaceFormat.Format >= Format.R8G8B8A8Unorm &&
Display.SurfaceFormat.Format <= Format.R8G8B8A8Srgb;
_format = IsRgba ? Format.R8G8B8A8Unorm : Format.B8G8R8A8Unorm;
}
public bool IsRgba { get; }
public uint ImageFormat => (uint) _format;
public ulong MemorySize => Image.MemorySize;
public VulkanDisplay Display { get; }
public VulkanSurface Surface { get; }
public uint UsageFlags => Image.UsageFlags;
public PixelSize Size { get; private set; }
public void Dispose()
{
_platformInterface.Device.WaitIdle();
DestroyImage();
Display?.Dispose();
Surface?.Dispose();
}
public VulkanSurfaceRenderingSession BeginDraw(float scaling)
{
var session = new VulkanSurfaceRenderingSession(Display, _platformInterface.Device, this, scaling);
if (IsCorrupted)
{
IsCorrupted = false;
DestroyImage();
CreateImage();
}
else
{
Image.TransitionLayout(ImageLayout.ColorAttachmentOptimal, AccessFlags.AccessNoneKhr);
}
return session;
}
public void Invalidate()
{
IsCorrupted = true;
}
private void CreateImage()
{
Size = Display.Size;
Image = new VulkanImage(_platformInterface.Device, _platformInterface.PhysicalDevice, _platformInterface.Device.CommandBufferPool, ImageFormat, Size);
}
private void DestroyImage()
{
_platformInterface.Device.WaitIdle();
Image?.Dispose();
}
}
}
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