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using System;
using Avalonia;
using Ryujinx.Ava.Ui.Vulkan.Surfaces;
using Silk.NET.Vulkan;
using Silk.NET.Vulkan.Extensions.KHR;
namespace Ryujinx.Ava.Ui.Vulkan
{
public class VulkanSurface : IDisposable
{
private readonly VulkanInstance _instance;
private readonly IVulkanPlatformSurface _vulkanPlatformSurface;
private VulkanSurface(IVulkanPlatformSurface vulkanPlatformSurface, VulkanInstance instance)
{
_vulkanPlatformSurface = vulkanPlatformSurface;
_instance = instance;
ApiHandle = vulkanPlatformSurface.CreateSurface(instance);
}
internal SurfaceKHR ApiHandle { get; }
internal static KhrSurface SurfaceExtension { get; private set; }
internal PixelSize SurfaceSize => _vulkanPlatformSurface.SurfaceSize;
public void Dispose()
{
SurfaceExtension.DestroySurface(_instance.InternalHandle, ApiHandle, Span<AllocationCallbacks>.Empty);
_vulkanPlatformSurface.Dispose();
}
internal static VulkanSurface CreateSurface(VulkanInstance instance, IVulkanPlatformSurface vulkanPlatformSurface)
{
if (SurfaceExtension == null)
{
instance.Api.TryGetInstanceExtension(instance.InternalHandle, out KhrSurface extension);
SurfaceExtension = extension;
}
return new VulkanSurface(vulkanPlatformSurface, instance);
}
internal bool CanSurfacePresent(VulkanPhysicalDevice physicalDevice)
{
SurfaceExtension.GetPhysicalDeviceSurfaceSupport(physicalDevice.InternalHandle, physicalDevice.QueueFamilyIndex, ApiHandle, out var isSupported);
return isSupported;
}
internal SurfaceFormatKHR GetSurfaceFormat(VulkanPhysicalDevice physicalDevice)
{
Span<uint> surfaceFormatsCount = stackalloc uint[1];
SurfaceExtension.GetPhysicalDeviceSurfaceFormats(physicalDevice.InternalHandle, ApiHandle, surfaceFormatsCount, Span<SurfaceFormatKHR>.Empty);
Span<SurfaceFormatKHR> surfaceFormats = stackalloc SurfaceFormatKHR[(int)surfaceFormatsCount[0]];
SurfaceExtension.GetPhysicalDeviceSurfaceFormats(physicalDevice.InternalHandle, ApiHandle, surfaceFormatsCount, surfaceFormats);
if (surfaceFormats.Length == 1 && surfaceFormats[0].Format == Format.Undefined)
{
return new SurfaceFormatKHR(Format.B8G8R8A8Unorm, ColorSpaceKHR.ColorspaceSrgbNonlinearKhr);
}
foreach (var format in surfaceFormats)
{
if (format.Format == Format.B8G8R8A8Unorm && format.ColorSpace == ColorSpaceKHR.ColorspaceSrgbNonlinearKhr)
{
return format;
}
}
return surfaceFormats[0];
}
}
}
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