public void CreateD3D9TextureFromD3D10Texture(SharpDX.Direct3D10.Texture2D Texture)
{
DirectXHelpers.SafeDispose(ref shareableTexture9);
if (IsShareable(Texture))
{
SharpDX.Direct3D9.Format format = TranslateFormat(Texture);
if (format == SharpDX.Direct3D9.Format.Unknown)
{
throw new ArgumentException("Texture format is not compatible with OpenSharedResource");
}
IntPtr Handle = GetSharedHandle(Texture);
if (Handle == IntPtr.Zero)
{
throw new ArgumentNullException("Handle");
}
shareableTexture9 = new SharpDX.Direct3D9.Texture(sharpDXGraphicsDeviceService9.GraphicsDevice, Texture.Description.Width, Texture.Description.Height, 1, SharpDX.Direct3D9.Usage.RenderTarget, format, SharpDX.Direct3D9.Pool.Default, ref Handle);
}
else
{
throw new ArgumentException("Texture must be created with ResourceOptionFlags.Shared");
}
}
/// <summary>
/// Releases a reference to the singleton instance.
/// </summary>
public void Release(bool disposing)
{
// Decrement the "how many controls sharing the device" reference count.
if (Interlocked.Decrement(ref referenceCount) == 0)
{
// If this is the last control to finish using the
// device, we should dispose the singleton instance.
DirectXHelpers.SafeDispose(ref renderTarget);
DirectXHelpers.SafeDispose(ref texture);
DirectXHelpers.SafeDispose(ref shareableTexture);
DirectXHelpers.SafeDispose(ref factoryDXGI);
DirectXHelpers.SafeDispose(ref factory2D);
DirectXHelpers.SafeDispose(ref shareableTexture9);
}
}
public void ResizeDevice(int width, int height)
{
lock (this)
{
if (width < 0)
{
throw new ArgumentOutOfRangeException("width", "Value must be positive.");
}
if (height < 0)
{
throw new ArgumentOutOfRangeException("height", "Value must be positive.");
}
if ((width <= this.width) && (height <= this.height))
{
return;
}
DirectXHelpers.SafeDispose(ref this.texture);
var texture = CreateTexture(Math.Max(width, this.width), Math.Max(height, this.height), true);
this.texture = texture;
DirectXHelpers.SafeDispose(ref this.shareableTexture);
var shareableTexture = CreateTexture(Math.Max(width, this.width), Math.Max(height, this.height), false);
this.shareableTexture = shareableTexture;
CreateD3D9TextureFromD3D10Texture(shareableTexture);
this.width = texture.Description.Width;
this.height = texture.Description.Height;
using (SharpDX.DXGI.Surface surface = texture.AsSurface())
{
CreateRenderTarget(surface);
}
if (DeviceResized != null)
{
DeviceResized(this, EventArgs.Empty);
}
}
}
