public void DiscardDeviceResources()
{
_renderTarget.Dispose();
_renderTarget = null;
GC.Collect();
}
public void CreateDeviceResource()
{
if (_renderTarget == null)
{
var renderProps = new RenderTargetProperties()
{
Type = RenderTargetType.Hardware,
Usage = RenderTargetUsage.None,
PixelFormat = new PixelFormat(Vortice.DXGI.Format.B8G8R8A8_UNorm, AlphaMode.Premultiplied),
MinLevel = FeatureLevel.Default,
DpiX = 96,
DpiY = 96
};
var hwndRenderTargetProperties = new HwndRenderTargetProperties()
{
Hwnd = _owner.HostWindowHandle,
PresentOptions = PresentOptions.RetainContents,
PixelSize = new Vortice.Mathematics.Size(_owner.HostWindowInternal.ClientRectangle.Width, _owner.HostWindowInternal.ClientRectangle.Height)
};
_renderTarget = _d2dFactory.CreateHwndRenderTarget(renderProps, hwndRenderTargetProperties);
}
}
internal D2D1HwndRenderTarget(ID2D1HwndRenderTarget renderTarget)
{
this.renderTarget = renderTarget;
}
internal D2D1HwndRenderTarget(ID2D1HwndRenderTarget renderTarget)
{
this.renderTarget = renderTarget;
}