Modified UIX libs to allow use from UWP

UIX.RenderApi.Skia/Microsoft/Iris/Render/ContentNotifyHandler.cs

@@ -11,5 +11,5 @@ namespace Microsoft.Iris.Render
     public delegate void ContentNotifyHandler(
       ContentNotification Notification,
       IImage image,
-      IntPtr data);
+      byte[] data);
 }

UIX.RenderApi.Skia/Microsoft/Iris/Render/Extensions/ExtensionsApi.cs

@@ -14,64 +14,77 @@ namespace Microsoft.Iris.Render.Extensions
     [SuppressUnmanagedCodeSecurity]
     public static class ExtensionsApi
     {
-        private const string s_stExtensionsDll = "UIXRender.dll";
         internal const ushort WAVE_FORMAT_PCM = 1;
 
-        [DllImport("UIXRender.dll", CharSet = CharSet.Auto)]
+        internal static HRESULT SpBitmapLoadFile(
-        internal static extern HRESULT SpBitmapLoadFile(
           string stFileName,
           [MarshalAs(UnmanagedType.LPStruct), In] ImageRequirements req,
-          ExtensionsApi.BitmapOptions nOptions,
+          BitmapOptions nOptions,
           out HSpBitmap hBmp,
-          out ImageInformation info);
+          out ImageInformation info)
+        {
+            throw new NotImplementedException();
+        } 
 
-        [DllImport("UIXRender.dll", CharSet = CharSet.Auto)]
+        internal static HRESULT SpBitmapLoadRaw(
-        internal static extern HRESULT SpBitmapLoadRaw(
           Size sizeActualPxl,
           int nStride,
           SurfaceFormat nFormat,
           IntPtr pvData,
           [MarshalAs(UnmanagedType.LPStruct), In] ImageRequirements req,
-          ExtensionsApi.BitmapOptions nOptions,
+          BitmapOptions nOptions,
           out HSpBitmap hBmp,
-          out ImageInformation info);
+          out ImageInformation info)
+        {
+            throw new NotImplementedException();
+        }
 
-        [DllImport("UIXRender.dll", CharSet = CharSet.Auto)]
+        internal static HRESULT SpBitmapLoadResource(
-        internal static extern HRESULT SpBitmapLoadResource(
           Win32Api.HINSTANCE hinst,
           string stName,
           int nType,
           [MarshalAs(UnmanagedType.LPStruct), In] ImageRequirements req,
-          ExtensionsApi.BitmapOptions nOptions,
+          BitmapOptions nOptions,
           out HSpBitmap hBmp,
-          out ImageInformation info);
+          out ImageInformation info)
+        {
+            throw new NotImplementedException();
+        }
 
-        [DllImport("UIXRender.dll", CharSet = CharSet.Auto)]
+        internal static HRESULT SpBitmapLoadBuffer(
-        internal static extern HRESULT SpBitmapLoadBuffer(
           IntPtr pvSrc,
           uint cbSize,
           [MarshalAs(UnmanagedType.LPStruct), In] ImageRequirements req,
-          ExtensionsApi.BitmapOptions nOptions,
+          BitmapOptions nOptions,
           out HSpBitmap hBmp,
-          out ImageInformation info);
+          out ImageInformation info)
+        {
+            throw new NotImplementedException();
+        }
 
-        [DllImport("UIXRender.dll")]
+        internal static HRESULT SpBitmapDelete(HSpBitmap hBmp)
-        internal static extern HRESULT SpBitmapDelete(HSpBitmap hBmp);
+        {
+            throw new NotImplementedException();
+        }
 
-        [DllImport("UIXRender.dll", CharSet = CharSet.Auto)]
+        internal static HRESULT SpSoundLoadBuffer(
-        internal static extern HRESULT SpSoundLoadBuffer(
           IntPtr pBuffer,
           int dwSize,
-          ExtensionsApi.SoundOptions options,
+          SoundOptions options,
-          out ExtensionsApi.HSpSound hSound,
+          out HSpSound hSound,
-          out ExtensionsApi.SoundInformation info);
+          out SoundInformation info)
+        {
+            throw new NotImplementedException();
+        }
 
-        [DllImport("UIXRender.dll")]
+        internal static HRESULT SpSoundDispose(
-        internal static extern HRESULT SpSoundDispose(
+          HSpSound hSound,
-          ExtensionsApi.HSpSound hSound,
+          SoundInformation info)
-          ExtensionsApi.SoundInformation info);
+        {
+            throw new NotImplementedException();
+        }
 
-        [System.Flags]
+        [Flags]
         internal enum BitmapOptions
         {
             None = 0,
@@ -80,7 +93,7 @@ namespace Microsoft.Iris.Render.Extensions
             Valid = Flip | Decode, // 0x00000003
         }
 
-        [System.Flags]
+        [Flags]
         internal enum SoundOptions
         {
             None = 0,
@@ -105,28 +118,28 @@ namespace Microsoft.Iris.Render.Extensions
         [ComVisible(false)]
         public struct SoundData
         {
-            public IntPtr rgData;
+            public byte[] rgData;
         }
 
         [ComVisible(false)]
         public struct SoundInformation
         {
-            public ExtensionsApi.SoundHeader Header;
+            public SoundHeader Header;
-            public ExtensionsApi.SoundData Data;
+            public SoundData Data;
-            public static ExtensionsApi.SoundInformation NULL = new ExtensionsApi.SoundInformation();
+            public static SoundInformation NULL = new SoundInformation();
         }
 
         [ComVisible(false)]
         public struct HSpSound
         {
             public IntPtr h;
-            public static readonly ExtensionsApi.HSpSound NULL = new ExtensionsApi.HSpSound();
+            public static readonly HSpSound NULL = new HSpSound();
 
-            public static bool operator ==(ExtensionsApi.HSpSound hA, ExtensionsApi.HSpSound hB) => hA.h == hB.h;
+            public static bool operator ==(HSpSound hA, HSpSound hB) => hA.h == hB.h;
 
-            public static bool operator !=(ExtensionsApi.HSpSound hA, ExtensionsApi.HSpSound hB) => hA.h != hB.h;
+            public static bool operator !=(HSpSound hA, HSpSound hB) => hA.h != hB.h;
 
-            public override bool Equals(object oCompare) => oCompare is ExtensionsApi.HSpSound hspSound && this.h == hspSound.h;
+            public override bool Equals(object oCompare) => oCompare is HSpSound hspSound && this.h == hspSound.h;
 
             public override int GetHashCode() => (int)this.h.ToInt64();
         }

UIX.RenderApi.Skia/Microsoft/Iris/Render/Extensions/GradientInformation.cs

@@ -9,16 +9,9 @@ using System.Runtime.InteropServices;
 
 namespace Microsoft.Iris.Render.Extensions
 {
-    public class GradientInformation : IDisposable
+    public class GradientInformation
     {
         public ImageInformation imageInfo;
-        internal GCHandle gcData;
+        internal byte[] Data;
-
-        void IDisposable.Dispose()
-        {
-            if (!this.gcData.IsAllocated)
-                return;
-            this.gcData.Free();
-        }
     }
 }

UIX.RenderApi.Skia/Microsoft/Iris/Render/Extensions/ImageCacheItem.cs

@@ -164,7 +164,7 @@ namespace Microsoft.Iris.Render.Extensions
 
         protected void SetSize(Size size) => this.m_size = size;
 
-        internal void ReloadImage(ContentNotification notification, IImage image, IntPtr data)
+        internal void ReloadImage(ContentNotification notification, IImage image, byte[] data)
         {
             switch (notification)
             {

UIX.RenderApi.Skia/Microsoft/Iris/Render/Extensions/ImageData.cs

@@ -12,6 +12,6 @@ namespace Microsoft.Iris.Render.Extensions
     [ComVisible(false)]
     public struct ImageData
     {
-        public IntPtr rgData;
+        public byte[] rgData;
     }
 }

UIX.RenderApi.Skia/Microsoft/Iris/Render/Extensions/ImageLoader.cs

@@ -292,9 +292,9 @@ namespace Microsoft.Iris.Render.Extensions
                         nFormat = nFormat
                     }
                 },
-                gcData = GCHandle.Alloc(numArray, GCHandleType.Pinned)
+                Data = numArray
             };
-            gradientInformation.imageInfo.Data.rgData = gradientInformation.gcData.AddrOfPinnedObject();
+            gradientInformation.imageInfo.Data.rgData = gradientInformation.Data;
             bool flag = image.LoadContent(SurfaceFormatInfo.ToImageFormat(gradientInformation.imageInfo.Header.nFormat), gradientInformation.imageInfo.Header.sizeActualPxl, gradientInformation.imageInfo.Header.nStride, gradientInformation.imageInfo.Data.rgData);
             if (flag)
             {

UIX.RenderApi.Skia/Microsoft/Iris/Render/Extensions/SoundData.cs

@@ -54,7 +54,7 @@ namespace Microsoft.Iris.Render.Extensions
 
         uint ISoundData.SampleCount => (uint)(m_soundInfo.Header.cbDataSize / (ulong)(m_soundInfo.Header.wBitsPerSample / 8));
 
-        IntPtr ISoundData.AcquireContent()
+        byte[] ISoundData.AcquireContent()
         {
             ++this.m_usageCount;
             return this.m_soundInfo.Data.rgData;
@@ -69,7 +69,7 @@ namespace Microsoft.Iris.Render.Extensions
             ExtensionsApi.HSpSound soundDataHandle;
             ExtensionsApi.SoundInformation soundDataInfo;
             SoundLoader.FromResource(this.m_moduleName, this.m_resourceId, out soundDataHandle, out soundDataInfo);
-            Debug2.Validate(soundDataInfo.Data.rgData != IntPtr.Zero, typeof(InvalidOperationException), "Failed to load data and no exception was thrown");
+            Debug2.Validate(soundDataInfo.Data.rgData != null, typeof(InvalidOperationException), "Failed to load data and no exception was thrown");
             Debug2.Validate(soundDataInfo.Header.wFormatTag == 1, typeof(ArgumentException), "Only PCM sound data is currently supported");
             Debug2.Validate(soundDataInfo.Header.nChannels >= 1 && soundDataInfo.Header.nChannels <= 2, typeof(ArgumentException), "Only mono/stereo sound data is currently supported");
             Debug2.Validate(soundDataInfo.Header.wBitsPerSample == 8 || soundDataInfo.Header.wBitsPerSample == 16, typeof(ArgumentException), "Only 8bps/16bps sound data is currently supported");

UIX.RenderApi.Skia/Microsoft/Iris/Render/Graphics/DataBufferCleanupInfo.cs

@@ -10,7 +10,7 @@ namespace Microsoft.Iris.Render.Graphics
 {
     internal class DataBufferCleanupInfo
     {
-        public IntPtr rgConvertData;
+        public byte[] rgConvertData;
         public ImageLoadInfo imageLoadInfo;
     }
 }

UIX.RenderApi.Skia/Microsoft/Iris/Render/Graphics/Dx9EffectResource.cs

@@ -93,7 +93,8 @@ namespace Microsoft.Iris.Render.Graphics
                         ++index;
                 }
             }
-            this.RemoteEffect(effectBuilder, pEffectBlob, pBlobBuffer, nBlobSize);
+            // TODO: Re-implement
+            //this.RemoteEffect(effectBuilder, pEffectBlob.ToPointer(), pBlobBuffer, nBlobSize);
             return true;
         }
 
@@ -129,7 +130,7 @@ namespace Microsoft.Iris.Render.Graphics
 
         private void RemoteEffect(
           Dx9EffectBuilder effectBuilder,
-          IntPtr pEffectBlob,
+          byte[] pEffectBlob,
           IntPtr pBlobBuffer,
           uint nBlobSize)
         {

UIX.RenderApi.Skia/Microsoft/Iris/Render/Graphics/Image.cs

@@ -107,7 +107,7 @@ namespace Microsoft.Iris.Render.Graphics
           ImageFormat imageFormat,
           Size sizeImage,
           int nStride,
-          IntPtr rgData)
+          byte[] rgData)
         {
             this.m_session.AssertOwningThread();
             bool flag1 = false;
@@ -131,18 +131,20 @@ namespace Microsoft.Iris.Render.Graphics
                     if (this.InUse)
                         this.m_surface.AddActiveUser(this);
                 }
-                IntPtr num1 = IntPtr.Zero;
+                byte[] num1 = null;
                 if (this.m_session.IsForeignByteOrderOnWindowing)
                 {
                     int bitsPerPixel = SurfaceFormatInfo.GetBitsPerPixel(nFormat);
                     int num2 = sizeImage.Height * nStride;
-                    num1 = Marshal.AllocHGlobal(num2);
+                    num1 = new byte[num2];
-                    Memory.ConvertEndian(num1, rgData, num2, bitsPerPixel);
+                    // TODO: Does this need to be re-implemented?
+                    throw new NotImplementedException();
+                    //Memory.ConvertEndian(num1, rgData, num2, bitsPerPixel);
                 }
                 this.m_imageFormat = imageFormat;
                 this.m_sizeImage = sizeImage;
                 uint cbSize = (uint)(nStride * this.m_sizeImage.Height);
-                buffer = this.m_session.BuildDataBuffer(num1 == IntPtr.Zero ? rgData : num1, cbSize);
+                buffer = this.m_session.BuildDataBuffer(num1 == null ? rgData : num1, cbSize);
                 this.Track(buffer, num1, rgData, nStride);
                 buffer.Commit();
                 ++this.m_loadInfo.nLoadsInProgress;
@@ -182,7 +184,7 @@ namespace Microsoft.Iris.Render.Graphics
                     ((IImage)this).LoadContent(this.m_imageFormat, this.m_sizeImage, this.m_loadInfo.nStride, this.m_loadInfo.rgAppData);
                 }
                 else
-                    this.m_handlerContent(ContentNotification.Acquire, this, IntPtr.Zero);
+                    this.m_handlerContent(ContentNotification.Acquire, this, null);
             }
             Surface surface = this.m_surface;
         }
@@ -204,7 +206,7 @@ namespace Microsoft.Iris.Render.Graphics
             }
         }
 
-        private void Track(DataBuffer buffer, IntPtr rgConvertData, IntPtr rgAppData, int nStride)
+        private void Track(DataBuffer buffer, byte[] rgConvertData, byte[] rgAppData, int nStride)
         {
             ImageLoadInfo imageLoadInfo;
             if (this.m_loadInfo != null && this.m_loadInfo.rgAppData == rgAppData && this.m_loadInfo.nStride == nStride)
@@ -259,14 +261,13 @@ namespace Microsoft.Iris.Render.Graphics
                     imageLoadInfo.handlerNotify(ContentNotification.Release, imageLoadInfo.imageOwner, imageLoadInfo.rgAppData);
                     imageLoadInfo.imageOwner.m_insideReleaseCallback = false;
                 }
-                imageLoadInfo.rgAppData = IntPtr.Zero;
+                imageLoadInfo.rgAppData = null;
                 imageLoadInfo.handlerNotify = null;
                 imageLoadInfo.imageOwner = null;
             }
-            if (!(contextData.rgConvertData != IntPtr.Zero))
+            if (!(contextData.rgConvertData != null))
                 return;
-            Marshal.FreeHGlobal(contextData.rgConvertData);
+            contextData.rgConvertData = null;
-            contextData.rgConvertData = IntPtr.Zero;
         }
 
         internal delegate void ContentReloadedHandler(Image image);

UIX.RenderApi.Skia/Microsoft/Iris/Render/Graphics/ImageLoadInfo.cs

@@ -11,7 +11,7 @@ namespace Microsoft.Iris.Render.Graphics
     internal class ImageLoadInfo
     {
         public Image imageOwner;
-        public IntPtr rgAppData;
+        public byte[] rgAppData;
         public int nStride;
         public int nLoadsInProgress;
         public int nSystemLoadRequests;

UIX.RenderApi.Skia/Microsoft/Iris/Render/IImage.cs

@@ -16,6 +16,6 @@ namespace Microsoft.Iris.Render
 
         string Identifier { get; }
 
-        bool LoadContent(ImageFormat format, Size size, int Stride, IntPtr Data);
+        bool LoadContent(ImageFormat format, Size size, int Stride, byte[] Data);
     }
 }

UIX.RenderApi.Skia/Microsoft/Iris/Render/ISoundData.cs

@@ -20,7 +20,7 @@ namespace Microsoft.Iris.Render
 
         uint SampleCount { get; }
 
-        IntPtr AcquireContent();
+        byte[] AcquireContent();
 
         void ReleaseContent();
     }

UIX.RenderApi.Skia/Microsoft/Iris/Render/Internal/FormApi.cs

@@ -4,18 +4,21 @@
 // MVID: D47658B8-A8EA-43D6-8837-ECE823BFFFC1
 // Assembly location: C:\Program Files\Zune\UIX.RenderApi.dll
 
+using System;
 using System.Runtime.InteropServices;
 
 namespace Microsoft.Iris.Render.Internal
 {
     internal static class FormApi
     {
-        private const string s_stEhRenderDll = "UIXRender.dll";
+        public static HRESULT SpGdiplusInit()
+        {
+            throw new NotImplementedException();
+        }
 
-        [DllImport("UIXRender.dll")]
+        public static HRESULT SpGdiplusUninit()
-        public static extern HRESULT SpGdiplusInit();
+        {
-
+            throw new NotImplementedException();
-        [DllImport("UIXRender.dll")]
+        }
-        public static extern HRESULT SpGdiplusUninit();
     }
 }

UIX.RenderApi.Skia/Microsoft/Iris/Render/Internal/HRESULT.cs

@@ -34,5 +34,8 @@ namespace Microsoft.Iris.Render.Internal
         }
 
         public int Int => this.hr;
+
+        public static implicit operator HRESULT(int i) => new(i);
+        public static implicit operator int(HRESULT hr) => hr.Int;
     }
 }

UIX.RenderApi.Skia/Microsoft/Iris/Render/Internal/RenderSession.cs

@@ -292,7 +292,7 @@ namespace Microsoft.Iris.Render.Internal
             return fUseSplitWindowingPort ? this.LocalRenderingProtocol.BuildRemoteNullDevice(device, this.LocalRenderingProtocol.LocalDeviceCallbackHandle) : this.RenderingProtocol.BuildRemoteNullDevice(device, this.RenderingProtocol.LocalDeviceCallbackHandle);
         }
 
-        internal unsafe DataBuffer BuildDataBuffer(IntPtr pData, uint cbSize) => new DataBuffer(this.RenderingPort, pData.ToPointer(), cbSize);
+        internal unsafe DataBuffer BuildDataBuffer(byte[] pData, uint cbSize) => new DataBuffer(this.RenderingPort, pData, cbSize);
 
         internal void LoadSurface(DataBuffer buffer, Surface surface, ImageHeader header) => RemoteRasterizer.SendLoadRawImage(this.RenderingProtocol, surface.RemoteStub, buffer.RemoteStub, header);
 

UIX.RenderApi.Skia/Microsoft/Iris/Render/Protocol/DataBuffer.cs

@@ -13,10 +13,10 @@ namespace Microsoft.Iris.Render.Protocol
     {
         private RenderPort m_port;
         private RemoteDataBuffer m_remoteBuffer;
-        private unsafe void* m_pvData;
+        private byte[] m_pvData;
         private uint m_cbSize;
 
-        public unsafe DataBuffer(RenderPort port, void* pvData, uint cbSize)
+        public unsafe DataBuffer(RenderPort port, byte[] pvData, uint cbSize)
         {
             this.m_port = port;
             this.m_remoteBuffer = null;
@@ -44,7 +44,7 @@ namespace Microsoft.Iris.Render.Protocol
 
         public uint DataSize => this.m_cbSize;
 
-        public unsafe void* Data => this.m_pvData;
+        public byte[] Data => this.m_pvData;
 
         public RemoteDataBuffer RemoteStub => this.m_remoteBuffer;
 

UIX.RenderApi.Skia/Microsoft/Iris/Render/Protocol/EngineApi.cs

@@ -10,14 +10,13 @@ using System;
 using System.IO;
 using System.Runtime.InteropServices;
 using System.Security;
+using System.Threading;
 
 namespace Microsoft.Iris.Render.Protocol
 {
     [SuppressUnmanagedCodeSecurity]
     internal static class EngineApi
     {
-        private const string s_stEhRenderDll = "UIXRender.dll";
-
         public static void IFC(HRESULT hr)
         {
             if (hr.Int >= 0)
@@ -102,89 +101,127 @@ namespace Microsoft.Iris.Render.Protocol
             }
         }
 
-        [DllImport("UIXRender.dll")]
+        public static HRESULT SpInit(ref InitArgs args)
-        public static extern HRESULT SpInit(ref EngineApi.InitArgs args);
+        {
+            return 0;
+        }
 
-        [DllImport("UIXRender.dll")]
+        public static HRESULT SpUninit()
-        public static extern HRESULT SpUninit();
+        {
+            throw new NotImplementedException();
+        }
 
-        [DllImport("UIXRender.dll")]
+        public static unsafe HRESULT SpBufferOpen(
-        public static extern unsafe HRESULT SpBufferOpen(
+          BufferInfo* phdrData,
-          EngineApi.BufferInfo* phdrData,
+          void* pvData)
-          void* pvData);
+        {
+            throw new NotImplementedException();
+        }
 
-        [DllImport("UIXRender.dll")]
+        public static unsafe HRESULT SpWrapBufferProc(
-        public static extern unsafe HRESULT SpWrapBufferProc(
+          MessageBufferEventHandler pfnProcessBufferProc,
-          EngineApi.MessageBufferEventHandler pfnProcessBufferProc,
+          IntPtr* ppNativeProc)
-          IntPtr* ppNativeProc);
+        {
+            *ppNativeProc = Marshal.GetFunctionPointerForDelegate(pfnProcessBufferProc);
+            return 0;
+        }
 
-        [DllImport("UIXRender.dll", CharSet = CharSet.Auto)]
+        public static HRESULT SpPeekMessage(
-        public static extern HRESULT SpPeekMessage(
           out Win32Api.MSG msg,
           HWND hwnd,
           uint nMsgFilterMin,
           uint nMsgFilterMax,
           uint wRemoveMsg,
-          out EngineApi.WorkResult nResult);
+          out WorkResult nResult)
+        {
+            nResult = WorkResult.ProcessedMessage;
+            msg = new Win32Api.MSG
+            {
+                message = 1
+            };
+            return 0;
+        }
 
-        [DllImport("UIXRender.dll")]
+        public static HRESULT SpWaitMessage(uint nTimeOutMs, IntPtr _unused)
-        public static extern HRESULT SpWaitMessage(uint nTimeOutMs, IntPtr _unused);
+        {
+            return 0;
+        }
 
-        [DllImport("UIXRender.dll")]
+        public static HRESULT SpInvoke(
-        public static extern HRESULT SpInvoke(
           ContextID idContext,
           IntPtr pfnInvoke,
           IntPtr pvArgs,
-          bool synchronous);
+          bool synchronous)
+        {
+            throw new NotImplementedException();
+        }
 
-        [DllImport("UIXRender.dll")]
+        public static HRESULT SpRenderThreadInit(
-        public static extern HRESULT SpRenderThreadInit(
+          ref InitArgs argsRender,
-          ref EngineApi.InitArgs argsRender,
+          out Thread pThread)
-          out IntPtr pThread);
+        {
+            pThread = new Thread(new ThreadStart(() => Console.WriteLine("nan")));
+            pThread.Start();
+            return 0;
+        }
 
-        [DllImport("UIXRender.dll")]
+        public static HRESULT SpRenderThreadUninit(Thread pThread)
-        public static extern HRESULT SpRenderThreadUninit(IntPtr pThread);
+        {
+            throw new NotImplementedException();
+        }
 
-        [DllImport("UIXRender.dll", CharSet = CharSet.Unicode)]
+        public static HRESULT SpRemoteCreateServerStreams(
-        public static extern HRESULT SpRemoteCreateServerStreams(
           string stSession,
           TransportProtocol nProtocol,
           out IntPtr pSendStream,
-          out IntPtr pReceiveStream);
+          out IntPtr pReceiveStream)
+        {
+            throw new NotImplementedException();
+        }
 
-        [DllImport("UIXRender.dll")]
+        public static HRESULT SpRemoteWaitServerStreamsConnected(
-        public static extern HRESULT SpRemoteWaitServerStreamsConnected(
           TransportProtocol nProtocol,
           IntPtr pSendStream,
-          IntPtr pReceiveStream);
+          IntPtr pReceiveStream)
+        {
+            throw new NotImplementedException();
+        }
 
-        [DllImport("UIXRender.dll")]
+        public static HRESULT SpRemoteServerInit(
-        public static extern HRESULT SpRemoteServerInit(
           IntPtr pSendStream,
           IntPtr pReceiveStream,
-          EngineApi.InitArgs argsSend,
+          InitArgs argsSend,
-          out IntPtr pSession);
+          out IntPtr pSession)
+        {
+            throw new NotImplementedException();
+        }
 
-        [DllImport("UIXRender.dll")]
+        public static HRESULT SpRemoteServerUninit(
-        public static extern HRESULT SpRemoteServerUninit(
           IntPtr pSession,
           bool fForceShutdown,
-          out ShutdownReason nShutdownReason);
+          out ShutdownReason nShutdownReason)
+        {
+            throw new NotImplementedException();
+        }
 
-        [DllImport("UIXRender.dll", CharSet = CharSet.Ansi)]
+        public static HRESULT SpDx9CompileEffect(
-        public static extern HRESULT SpDx9CompileEffect(
           string stEffect,
           string stDefines,
           out IntPtr pErrorString,
           out IntPtr pErrorBuffer,
           out IntPtr pEffectBlob,
           out uint EffectBlobSize,
-          out IntPtr pEffectBlobBuffer);
+          out IntPtr pEffectBlobBuffer)
+        {
+            throw new NotImplementedException();
+        }
 
-        [DllImport("UIXRender.dll")]
+        public static void SpObjectRelease(IntPtr pUnknown)
-        public static extern void SpObjectRelease(IntPtr pUnknown);
+        {
+            throw new NotImplementedException();
+        }
 
-        [System.Flags]
+        [Flags]
         public enum BufferFlags
         {
             IsBatch = 1,
@@ -195,11 +232,11 @@ namespace Microsoft.Iris.Render.Protocol
         [ComVisible(false)]
         public struct BufferInfo
         {
-            public ContextID idContextSrc;
+            public ContextID idContextSrc;  // 0x00
-            public ContextID idContextDest;
+            public ContextID idContextDest; // 0x04
-            public RENDERHANDLE idBuffer;
+            public RENDERHANDLE idBuffer;   // 0x08
-            public EngineApi.BufferFlags nFlags;
+            public BufferFlags nFlags;      // 0x0C
-            public uint cbSizeBuffer;
+            public uint cbSizeBuffer;       // 0x10
         }
 
         internal delegate void TimeoutEventHandler(IntPtr pData);
@@ -207,21 +244,21 @@ namespace Microsoft.Iris.Render.Protocol
         [ComVisible(false)]
         internal struct InitArgs
         {
-            public uint cbSize;
+            public uint cbSize;                         // 0x00
-            public ContextID idContext;
+            public ContextID idContext;                 // 0x04
-            public int cItemsPerGroupBits;
+            public int cItemsPerGroupBits;              // 0x08
-            public int cGroupBits;
+            public int cGroupBits;                      // 0x0C
-            public IntPtr pfnProcessBuffer;
+            public IntPtr pfnProcessBuffer;             // 0x10
-            public IntPtr pvProcessData;
+            public IntPtr pvProcessData;                // 0x14
-            public RENDERHANDLE idObjectBrokerClass;
+            public RENDERHANDLE idObjectBrokerClass;    // 0x18 
-            public EngineApi.TimeoutEventHandler pfnTimeout;
+            public TimeoutEventHandler pfnTimeout;      // 0x1C
-            public IntPtr pvTimeoutData;
+            public IntPtr pvTimeoutData;                // 0x24
-            public uint nTimeOutSec;
+            public uint nTimeOutSec;                    // 0x28
 
             public InitArgs(MessageCookieLayout layout, ContextID idContextNew)
             {
                 Debug2.Validate(idContextNew != ContextID.NULL, typeof(ArgumentNullException), nameof(idContextNew));
-                this.cbSize = (uint)Marshal.SizeOf(typeof(EngineApi.InitArgs));
+                this.cbSize = (uint)Marshal.SizeOf(typeof(InitArgs));
                 this.idContext = idContextNew;
                 this.cItemsPerGroupBits = layout.numberOfObjectBits;
                 this.cGroupBits = layout.numberOfGroupBits;
@@ -236,7 +273,7 @@ namespace Microsoft.Iris.Render.Protocol
             public unsafe InitArgs(
               MessageCookieLayout layout,
               ContextID idContextNew,
-              EngineApi.MessageBufferEventHandler pfnProcessBufferProc)
+              MessageBufferEventHandler pfnProcessBufferProc)
               : this(layout, idContextNew)
             {
                 if (pfnProcessBufferProc == null)
@@ -250,10 +287,10 @@ namespace Microsoft.Iris.Render.Protocol
         internal unsafe delegate int MessageBufferEventHandler(
           IntPtr pData,
           uint hContext,
-          EngineApi.BufferInfo* pBufferInfo,
+          BufferInfo* pBufferInfo,
           void* pvBufferData);
 
-        [System.Flags]
+        [Flags]
         public enum WorkResult : uint
         {
             ProcessedMessage = 1,

UIX.RenderApi.Skia/Microsoft/Iris/Render/Protocol/LocalChannel.cs

@@ -6,18 +6,19 @@
 
 using Microsoft.Iris.Render.Common;
 using System;
+using System.Threading;
 
 namespace Microsoft.Iris.Render.Protocol
 {
     internal class LocalChannel : RenderObject, IChannel
     {
-        private IntPtr m_renderThread;
+        private Thread m_renderThread;
 
         public LocalChannel(LocalConnectionInfo connectionInfo)
         {
         }
 
-        public bool IsConnected => this.m_renderThread != IntPtr.Zero;
+        public bool IsConnected => m_renderThread != null;
 
         public void Connect(
           ContextID remoteContextId,
@@ -29,17 +30,17 @@ namespace Microsoft.Iris.Render.Protocol
             {
                 idObjectBrokerClass = brokerClassHandle
             };
-            EngineApi.IFC(EngineApi.SpRenderThreadInit(ref args, out this.m_renderThread));
+            EngineApi.IFC(EngineApi.SpRenderThreadInit(ref args, out m_renderThread));
         }
 
         protected override void Dispose(bool inDispose)
         {
             try
             {
-                if (!(this.m_renderThread != IntPtr.Zero))
+                if (m_renderThread == null)
                     return;
-                EngineApi.IFC(EngineApi.SpRenderThreadUninit(this.m_renderThread));
+                EngineApi.IFC(EngineApi.SpRenderThreadUninit(m_renderThread));
-                this.m_renderThread = IntPtr.Zero;
+                m_renderThread = null;
             }
             finally
             {

UIX.RenderApi.Skia/Microsoft/Iris/Render/Protocol/Memory.cs

@@ -94,6 +94,60 @@ namespace Microsoft.Iris.Render.Protocol
             }
         }
 
+        public static unsafe void ConvertEndian(
+          uint[] pvDest,
+          uint[] pvSrc,
+          int cbConvert,
+          int cUnitBits)
+        {
+            switch (cUnitBits)
+            {
+                case 8:
+                    break;
+                case 16:
+                    int count16 = cbConvert / 4;
+                    int i16 = 0;
+                    while (count16-- > 0)
+                    {
+                        i16++;
+                        uint valSrc = pvSrc[i16];
+                        pvDest[i16] = (uint)((int)((valSrc & 4278190080U) >> 8) | ((int)valSrc & 16711680) << 8 | (int)((valSrc & 65280U) >> 8) | ((int)valSrc & byte.MaxValue) << 8);
+                    }
+                    if (cbConvert % 4 == 0)
+                        break;
+                    
+                    // Convert uint to ushort array
+                    ushort[] destUInt16 = new ushort[pvSrc.Length * (sizeof(uint) / sizeof(ushort))];
+
+                    ushort lastVal = (ushort)pvDest[i16];
+                    int lastValConv = (ushort)((lastVal & 65280) >> 8 | (lastVal & byte.MaxValue) << 8);
+                    pvDest[i16] = (ushort)lastValConv;
+                    break;
+                case 32:
+                    int count32 = cbConvert / 4;
+                    int i32 = 0;
+                    while (count32-- > 0)
+                    {
+                        i32++;
+                        pvDest[i32] = ConvertEndian(pvSrc[i32]);
+                    }
+                    break;
+                default:
+                    Debug2.Throw(false, "Unsupported data format");
+                    break;
+            }
+        }
+
         public static uint ConvertEndian(uint src) => (uint)((int)((src & 4278190080U) >> 24) | (int)((src & 16711680U) >> 8) | ((int)src & 65280) << 8 | ((int)src & byte.MaxValue) << 24);
+    
+        public static uint[] ReinterpretAsUInt16(byte[] src)
+        {
+            uint[] dest = new uint[src.Length * (sizeof(uint) / sizeof(byte))];
+            for (int s = 0; s < src.Length; s++)
+            {
+                
+            }
+            return dest;
+        }
     }
 }