Direct3D = 4,

-SkiaSharp.SKObject
+SkiaSharp.GRRecordingContext

protected override void DisposeNative ();
public void Flush (bool submit, bool synchronous);
public void Submit (bool synchronous);

public uint ImageUsageFlags { get; set; }
public uint SampleCount { get; set; }
public uint SharingMode { get; set; }

 [Obsolete ()]
 public bool IsVolatile { get; set; }

public void Clear (SKColorF color);
public void DrawColor (SKColorF color, SKBlendMode mode);

 [Obsolete ("Use DisplayP3 instead.")]
 public static SKColorSpaceXyz Dcip3 { get; }

public static SKColorSpaceXyz DisplayP3 { get; }

Bgr101010x = 20,
Bgra1010102 = 19,

public SKImage ApplyImageFilter (GRContext context, SKImageFilter filter, SKRectI subset, SKRectI clipBounds, out SKRectI outSubset, out SKPointI outOffset);
public SKImage ApplyImageFilter (GRRecordingContext context, SKImageFilter filter, SKRectI subset, SKRectI clipBounds, out SKRectI outSubset, out SKPointI outOffset);
public static SKImage FromAdoptedTexture (GRRecordingContext context, GRBackendTexture texture, SKColorType colorType);
public static SKImage FromAdoptedTexture (GRRecordingContext context, GRBackendTexture texture, GRSurfaceOrigin origin, SKColorType colorType);
public static SKImage FromAdoptedTexture (GRRecordingContext context, GRBackendTexture texture, GRSurfaceOrigin origin, SKColorType colorType, SKAlphaType alpha);
public static SKImage FromAdoptedTexture (GRRecordingContext context, GRBackendTexture texture, GRSurfaceOrigin origin, SKColorType colorType, SKAlphaType alpha, SKColorSpace colorspace);
public static SKImage FromTexture (GRRecordingContext context, GRBackendTexture texture, SKColorType colorType);
public static SKImage FromTexture (GRRecordingContext context, GRBackendTexture texture, GRSurfaceOrigin origin, SKColorType colorType);
public static SKImage FromTexture (GRRecordingContext context, GRBackendTexture texture, GRSurfaceOrigin origin, SKColorType colorType, SKAlphaType alpha);
public static SKImage FromTexture (GRRecordingContext context, GRBackendTexture texture, GRSurfaceOrigin origin, SKColorType colorType, SKAlphaType alpha, SKColorSpace colorspace);
public static SKImage FromTexture (GRRecordingContext context, GRBackendTexture texture, GRSurfaceOrigin origin, SKColorType colorType, SKAlphaType alpha, SKColorSpace colorspace, SKImageTextureReleaseDelegate releaseProc);
public static SKImage FromTexture (GRRecordingContext context, GRBackendTexture texture, GRSurfaceOrigin origin, SKColorType colorType, SKAlphaType alpha, SKColorSpace colorspace, SKImageTextureReleaseDelegate releaseProc, object releaseContext);
public bool IsValid (GRRecordingContext context);

public static SKImageFilter CreateDilate (float radiusX, float radiusY, SKImageFilter input, SKImageFilter.CropRect cropRect);
public static SKImageFilter CreateErode (float radiusX, float radiusY, SKImageFilter input, SKImageFilter.CropRect cropRect);

public bool Erase (SKColorF color, SKColorSpace colorspace, SKRectI subset);

public GRRecordingContext Context { get; }

 [Obsolete ("Use Create(GRContext, GRBackendTexture, SKColorType) instead.")]
 public static SKSurface CreateAsRenderTarget (GRContext context, GRBackendTexture texture, SKColorType colorType);
 [Obsolete ("Use Create(GRContext, GRBackendTexture, GRSurfaceOrigin, SKColorType) instead.")]
 public static SKSurface CreateAsRenderTarget (GRContext context, GRBackendTexture texture, GRSurfaceOrigin origin, SKColorType colorType);
 [Obsolete ("Use Create(GRContext, GRBackendTexture, SKColorType, SKSurfaceProperties) instead.")]
 public static SKSurface CreateAsRenderTarget (GRContext context, GRBackendTexture texture, SKColorType colorType, SKSurfaceProperties props);
 [Obsolete ("Use Create(GRContext, GRBackendTexture, GRSurfaceOrigin, SKColorType, SKSurfaceProperties) instead.")]
 public static SKSurface CreateAsRenderTarget (GRContext context, GRBackendTexture texture, GRSurfaceOrigin origin, SKColorType colorType, SKSurfaceProperties props);
 [Obsolete ("Use Create(GRContext, GRBackendTexture, GRSurfaceOrigin, int, SKColorType) instead.")]
 public static SKSurface CreateAsRenderTarget (GRContext context, GRBackendTexture texture, GRSurfaceOrigin origin, int sampleCount, SKColorType colorType);
 [Obsolete ("Use Create(GRContext, GRBackendTexture, GRSurfaceOrigin, int, SKColorType, SKColorSpace) instead.")]
 public static SKSurface CreateAsRenderTarget (GRContext context, GRBackendTexture texture, GRSurfaceOrigin origin, int sampleCount, SKColorType colorType, SKColorSpace colorspace);
 [Obsolete ("Use Create(GRContext, GRBackendTexture, GRSurfaceOrigin, int, SKColorType, SKSurfaceProperties) instead.")]
 public static SKSurface CreateAsRenderTarget (GRContext context, GRBackendTexture texture, GRSurfaceOrigin origin, int sampleCount, SKColorType colorType, SKSurfaceProperties props);
 [Obsolete ("Use Create(GRContext, GRBackendTexture, GRSurfaceOrigin, int, SKColorType, SKColorSpace, SKSurfaceProperties) instead.")]
 public static SKSurface CreateAsRenderTarget (GRContext context, GRBackendTexture texture, GRSurfaceOrigin origin, int sampleCount, SKColorType colorType, SKColorSpace colorspace, SKSurfaceProperties props);

public static SKSurface Create (GRRecordingContext context, GRBackendRenderTarget renderTarget, SKColorType colorType);
public static SKSurface Create (GRRecordingContext context, GRBackendTexture texture, SKColorType colorType);
public static SKSurface Create (GRRecordingContext context, bool budgeted, SKImageInfo info);
public static SKSurface Create (GRRecordingContext context, GRBackendRenderTarget renderTarget, GRSurfaceOrigin origin, SKColorType colorType);
public static SKSurface Create (GRRecordingContext context, GRBackendRenderTarget renderTarget, SKColorType colorType, SKSurfaceProperties props);
public static SKSurface Create (GRRecordingContext context, GRBackendTexture texture, GRSurfaceOrigin origin, SKColorType colorType);
public static SKSurface Create (GRRecordingContext context, GRBackendTexture texture, SKColorType colorType, SKSurfaceProperties props);
public static SKSurface Create (GRRecordingContext context, bool budgeted, SKImageInfo info, SKSurfaceProperties props);
public static SKSurface Create (GRRecordingContext context, bool budgeted, SKImageInfo info, int sampleCount);
public static SKSurface Create (GRRecordingContext context, GRBackendRenderTarget renderTarget, GRSurfaceOrigin origin, SKColorType colorType, SKColorSpace colorspace);
public static SKSurface Create (GRRecordingContext context, GRBackendRenderTarget renderTarget, GRSurfaceOrigin origin, SKColorType colorType, SKSurfaceProperties props);
public static SKSurface Create (GRRecordingContext context, GRBackendTexture texture, GRSurfaceOrigin origin, SKColorType colorType, SKSurfaceProperties props);
public static SKSurface Create (GRRecordingContext context, GRBackendTexture texture, GRSurfaceOrigin origin, int sampleCount, SKColorType colorType);
public static SKSurface Create (GRRecordingContext context, bool budgeted, SKImageInfo info, int sampleCount, GRSurfaceOrigin origin);
public static SKSurface Create (GRRecordingContext context, bool budgeted, SKImageInfo info, int sampleCount, SKSurfaceProperties props);
public static SKSurface Create (GRRecordingContext context, GRBackendRenderTarget renderTarget, GRSurfaceOrigin origin, SKColorType colorType, SKColorSpace colorspace, SKSurfaceProperties props);
public static SKSurface Create (GRRecordingContext context, GRBackendTexture texture, GRSurfaceOrigin origin, int sampleCount, SKColorType colorType, SKColorSpace colorspace);
public static SKSurface Create (GRRecordingContext context, GRBackendTexture texture, GRSurfaceOrigin origin, int sampleCount, SKColorType colorType, SKSurfaceProperties props);
public static SKSurface Create (GRRecordingContext context, GRBackendTexture texture, GRSurfaceOrigin origin, int sampleCount, SKColorType colorType, SKColorSpace colorspace, SKSurfaceProperties props);
public static SKSurface Create (GRRecordingContext context, bool budgeted, SKImageInfo info, int sampleCount, GRSurfaceOrigin origin, SKSurfaceProperties props, bool shouldCreateWithMips);
public void Flush (bool submit, bool synchronous);

public class GRRecordingContext : SkiaSharp.SKObject, System.IDisposable {
	// properties
	public GRBackend Backend { get; }
	// methods
	public int GetMaxSurfaceSampleCount (SKColorType colorType);
}

public class SKRuntimeEffect : SkiaSharp.SKObject, System.IDisposable {
	// properties
	public System.Collections.Generic.IReadOnlyList<string> Children { get; }
	public int UniformSize { get; }
	public System.Collections.Generic.IReadOnlyList<string> Uniforms { get; }
	// methods
	public static SKRuntimeEffect Create (string sksl, out string errors);
	public SKColorFilter ToColorFilter ();
	public SKColorFilter ToColorFilter (SKRuntimeEffectUniforms uniforms);
	public SKColorFilter ToColorFilter (SKRuntimeEffectUniforms uniforms, SKRuntimeEffectChildren children);
	public SKShader ToShader (bool isOpaque);
	public SKShader ToShader (bool isOpaque, SKRuntimeEffectUniforms uniforms);
	public SKShader ToShader (bool isOpaque, SKRuntimeEffectUniforms uniforms, SKRuntimeEffectChildren children);
	public SKShader ToShader (bool isOpaque, SKRuntimeEffectUniforms uniforms, SKRuntimeEffectChildren children, SKMatrix localMatrix);
}

public class SKRuntimeEffectChildren : System.Collections.Generic.IEnumerable<string>, System.Collections.IEnumerable {
	// constructors
	public SKRuntimeEffectChildren (SKRuntimeEffect effect);
	// properties
	public int Count { get; }
	public SKShader Item { set; }
	public System.Collections.Generic.IReadOnlyList<string> Names { get; }
	// methods
	public void Add (string name, SKShader value);
	public bool Contains (string name);
	public virtual System.Collections.Generic.IEnumerator<string> GetEnumerator ();
	public void Reset ();
	public SKShader[] ToArray ();
}

public struct SKRuntimeEffectUniform {
	// properties
	public static SKRuntimeEffectUniform Empty { get; }
	public bool IsEmpty { get; }
	public int Size { get; }
	// methods
	public void WriteTo (System.Span<byte> data);
	public static SKRuntimeEffectUniform op_Implicit (SKMatrix value);
	public static SKRuntimeEffectUniform op_Implicit (System.ReadOnlySpan<float> value);
	public static SKRuntimeEffectUniform op_Implicit (float value);
	public static SKRuntimeEffectUniform op_Implicit (float[] value);
	public static SKRuntimeEffectUniform op_Implicit (float[][] value);
	public static SKRuntimeEffectUniform op_Implicit (System.Span<float> value);
}

public class SKRuntimeEffectUniforms : System.Collections.Generic.IEnumerable<string>, System.Collections.IEnumerable {
	// constructors
	public SKRuntimeEffectUniforms (SKRuntimeEffect effect);
	// properties
	public int Count { get; }
	public SKRuntimeEffectUniform Item { set; }
	public System.Collections.Generic.IReadOnlyList<string> Names { get; }
	// methods
	public void Add (string name, SKRuntimeEffectUniform value);
	public bool Contains (string name);
	public virtual System.Collections.Generic.IEnumerator<string> GetEnumerator ();
	public void Reset ();
	public SKData ToData ();
}

public interface IPlatformLock {
	// methods
	public virtual void EnterReadLock ();
	public virtual void EnterUpgradeableReadLock ();
	public virtual void EnterWriteLock ();
	public virtual void ExitReadLock ();
	public virtual void ExitUpgradeableReadLock ();
	public virtual void ExitWriteLock ();
}

public static class PlatformLock {
	// properties
	public static System.Func<IPlatformLock> Factory { get; set; }
	// methods
	public static IPlatformLock Create ();
	public static IPlatformLock DefaultFactory ();
}