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using System;
using Avalonia;
using Ryujinx.Graphics.Vulkan;
using Silk.NET.Vulkan;
namespace Ryujinx.Ava.Ui.Vulkan.Surfaces
{
internal class VulkanSurfaceRenderTarget : IDisposable
{
private readonly VulkanPlatformInterface _platformInterface;
private readonly Format _format;
private VulkanCommandBufferPool.VulkanCommandBuffer _commandBuffer;
private VulkanImage Image { get; set; }
private object _lock = new object();
public uint MipLevels => Image.MipLevels;
public VulkanDevice Device { get; }
public VulkanSurfaceRenderTarget(VulkanPlatformInterface platformInterface, VulkanSurface surface)
{
_platformInterface = platformInterface;
var device = VulkanInitialization.CreateDevice(platformInterface.Api,
platformInterface.PhysicalDevice.InternalHandle,
platformInterface.PhysicalDevice.QueueFamilyIndex,
VulkanInitialization.GetSupportedExtensions(platformInterface.Api, platformInterface.PhysicalDevice.InternalHandle),
platformInterface.PhysicalDevice.QueueCount);
Device = new VulkanDevice(device, platformInterface.PhysicalDevice, platformInterface.Api);
Display = VulkanDisplay.CreateDisplay(
platformInterface.Instance,
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; private set; }
public VulkanSurface Surface { get; private set; }
public uint UsageFlags => Image.UsageFlags;
public PixelSize Size { get; private set; }
public void Dispose()
{
lock (_lock)
{
DestroyImage();
Display?.Dispose();
Surface?.Dispose();
Device?.Dispose();
Display = null;
Surface = null;
}
}
public VulkanSurfaceRenderingSession BeginDraw(float scaling)
{
if (Image == null)
{
RecreateImage();
}
_commandBuffer?.WaitForFence();
_commandBuffer = null;
var session = new VulkanSurfaceRenderingSession(Display, Device, this, scaling);
Image.TransitionLayout(ImageLayout.ColorAttachmentOptimal, AccessFlags.AccessNoneKhr);
return session;
}
public void RecreateImage()
{
DestroyImage();
CreateImage();
}
private void CreateImage()
{
Size = Display.Size;
Image = new VulkanImage(Device, _platformInterface.PhysicalDevice, Display.CommandBufferPool, ImageFormat, Size);
}
private void DestroyImage()
{
_commandBuffer?.WaitForFence();
_commandBuffer = null;
Image?.Dispose();
Image = null;
}
public VulkanImage GetImage()
{
return Image;
}
public void EndDraw()
{
lock (_lock)
{
if (Display == null)
{
return;
}
_commandBuffer = Display.StartPresentation();
Display.BlitImageToCurrentImage(this, _commandBuffer.InternalHandle);
Display.EndPresentation(_commandBuffer);
}
}
}
}
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