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Port VR Overlay to Silk.NET

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This commit is contained in:
BenjaminZehowlt
2025-10-19 18:32:33 -04:00
committed by Natsumi
parent 090395bb61
commit b4cafe2f3d
5 changed files with 318 additions and 245 deletions
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63
Dotnet/Overlay/Cef/OffScreenBrowserLegacy.cs
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@@ -8,10 +8,11 @@ using CefSharp;
using CefSharp.Enums;
using CefSharp.OffScreen;
using CefSharp.Structs;
using SharpDX.Direct3D11;
using System;
using System.Runtime.InteropServices;
using System.Threading;
using Silk.NET.Core.Native;
using Silk.NET.Direct3D11;
using Range = CefSharp.Structs.Range;
namespace VRCX
@@ -61,11 +62,14 @@ namespace VRCX
_paintBufferLock.Dispose();
}
public void RenderToTexture(Texture2D texture)
public void RenderToTexture(ComPtr<ID3D11DeviceContext> deviceContext, ComPtr<ID3D11Texture2D> texture)
{
// Safeguard against uninitialized texture
if (texture == null)
return;
unsafe
{
if ((IntPtr)texture.Handle == IntPtr.Zero)
return;
}
_paintBufferLock.EnterReadLock();
try
@@ -73,42 +77,41 @@ namespace VRCX
if (_width > 0 &&
_height > 0)
{
var context = texture.Device.ImmediateContext;
var dataBox = context.MapSubresource(
texture,
0,
MapMode.WriteDiscard,
MapFlags.None
);
if (dataBox.IsEmpty == false)
MappedSubresource mappedSubresource = default;
deviceContext.Map(texture, 0, Map.WriteDiscard, 0, ref mappedSubresource);
unsafe
{
var sourcePtr = _paintBuffer.AddrOfPinnedObject();
var destinationPtr = dataBox.DataPointer;
var pitch = _width * 4;
var rowPitch = dataBox.RowPitch;
if (pitch == rowPitch)
if ((IntPtr)mappedSubresource.PData != IntPtr.Zero)
{
WinApi.RtlCopyMemory(
destinationPtr,
sourcePtr,
(uint)(_width * _height * 4)
);
}
else
{
for (var y = _height; y > 0; --y)
var sourcePtr = _paintBuffer.AddrOfPinnedObject();
var destinationPtr = (IntPtr)mappedSubresource.PData;
var pitch = _width * 4;
var rowPitch = mappedSubresource.RowPitch;
if (pitch == rowPitch)
{
WinApi.RtlCopyMemory(
destinationPtr,
sourcePtr,
(uint)pitch
(uint)(_width * _height * 4)
);
sourcePtr += pitch;
destinationPtr += rowPitch;
}
else
{
for (var y = _height; y > 0; --y)
{
WinApi.RtlCopyMemory(
destinationPtr,
sourcePtr,
(uint)pitch
);
sourcePtr += pitch;
destinationPtr += (IntPtr)rowPitch;
}
}
}
deviceContext.Unmap(texture, 0);
}
context.UnmapSubresource(texture, 0);
}
}
finally