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using System;
using System.Collections.Generic;
using Avalonia;
using Avalonia.Platform;
using Avalonia.Skia;
using Avalonia.X11;
using Ryujinx.Ava.Ui.Vulkan;
using Silk.NET.Vulkan;
using SkiaSharp;
namespace Ryujinx.Ava.Ui.Backend.Vulkan
{
public class VulkanSkiaGpu : ISkiaGpu
{
private readonly VulkanPlatformInterface _vulkan;
private readonly long? _maxResourceBytes;
private GRVkBackendContext _grVkBackend;
private bool _initialized;
public GRContext GrContext { get; private set; }
public VulkanSkiaGpu(long? maxResourceBytes)
{
_vulkan = AvaloniaLocator.Current.GetService<VulkanPlatformInterface>();
_maxResourceBytes = maxResourceBytes;
}
private void Initialize()
{
if (_initialized)
{
return;
}
_initialized = true;
GRVkGetProcedureAddressDelegate getProc = (string name, IntPtr instanceHandle, IntPtr deviceHandle) =>
{
IntPtr addr = IntPtr.Zero;
if (deviceHandle != IntPtr.Zero)
{
addr = _vulkan.Device.Api.GetDeviceProcAddr(new Device(deviceHandle), name);
if (addr != IntPtr.Zero)
{
return addr;
}
addr = _vulkan.Device.Api.GetDeviceProcAddr(new Device(_vulkan.Device.Handle), name);
if (addr != IntPtr.Zero)
{
return addr;
}
}
addr = _vulkan.Device.Api.GetInstanceProcAddr(new Instance(_vulkan.Instance.Handle), name);
if (addr == IntPtr.Zero)
{
addr = _vulkan.Device.Api.GetInstanceProcAddr(new Instance(instanceHandle), name);
}
return addr;
};
_grVkBackend = new GRVkBackendContext()
{
VkInstance = _vulkan.Device.Handle,
VkPhysicalDevice = _vulkan.PhysicalDevice.Handle,
VkDevice = _vulkan.Device.Handle,
VkQueue = _vulkan.Device.Queue.Handle,
GraphicsQueueIndex = _vulkan.PhysicalDevice.QueueFamilyIndex,
GetProcedureAddress = getProc
};
GrContext = GRContext.CreateVulkan(_grVkBackend);
if (_maxResourceBytes.HasValue)
{
GrContext.SetResourceCacheLimit(_maxResourceBytes.Value);
}
}
public ISkiaGpuRenderTarget TryCreateRenderTarget(IEnumerable<object> surfaces)
{
foreach (var surface in surfaces)
{
VulkanWindowSurface window;
if (surface is IPlatformHandle handle)
{
window = new VulkanWindowSurface(handle.Handle);
}
else if (surface is X11FramebufferSurface x11FramebufferSurface)
{
// As of Avalonia 0.10.13, an IPlatformHandle isn't passed for linux, so use reflection to otherwise get the window id
var xId = (IntPtr)x11FramebufferSurface.GetType().GetField(
"_xid",
System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Instance).GetValue(x11FramebufferSurface);
window = new VulkanWindowSurface(xId);
}
else
{
continue;
}
VulkanRenderTarget vulkanRenderTarget = new VulkanRenderTarget(_vulkan, window);
Initialize();
vulkanRenderTarget.GrContext = GrContext;
return vulkanRenderTarget;
}
return null;
}
public ISkiaSurface TryCreateSurface(PixelSize size, ISkiaGpuRenderSession session)
{
return null;
}
}
}
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