public void Dispose()
{
Device?.Dispose();
Device = null;
ImagingFactory2?.Dispose();
ImagingFactory2 = null;
}
public static Texture2D LoadTexture2D(Device device, string fileName)
{
var factory = new ImagingFactory2();
var bitmapSource = LoadBitmap(factory, fileName);
factory.Dispose();
int stride = bitmapSource.Size.Width * 4;
using (var buffer = new DataStream(bitmapSource.Size.Height * stride, true, true)) {
bitmapSource.CopyPixels(stride, buffer);
var texture = new Texture2D(device, new Texture2DDescription {
Width = bitmapSource.Size.Width,
Height = bitmapSource.Size.Height,
ArraySize = 1,
BindFlags = BindFlags.ShaderResource,
Usage = ResourceUsage.Immutable,
CpuAccessFlags = CpuAccessFlags.None,
Format = Format.R8G8B8A8_UNorm,
MipLevels = 1,
OptionFlags = ResourceOptionFlags.None,
SampleDescription = new SampleDescription(1, 0)
}, new DataRectangle(buffer.DataPointer, stride));
bitmapSource.Dispose();
return(texture);
}
}
private void SaveToFile(D3DX direct3D, Texture2D texture, Guid format)
{
var stream = new System.IO.FileStream("Output.png", System.IO.FileMode.Create);
var textureTarget = texture;
var textureCopy = new Texture2D(direct3D.Device, new Texture2DDescription
{
Width = (int)textureTarget.Description.Width,
Height = (int)textureTarget.Description.Height,
MipLevels = 1,
ArraySize = 1,
Format = textureTarget.Description.Format,
Usage = ResourceUsage.Staging,
SampleDescription = new SampleDescription(1, 0),
BindFlags = BindFlags.None,
CpuAccessFlags = CpuAccessFlags.Read,
OptionFlags = ResourceOptionFlags.None
});
direct3D.DeviceContext.CopyResource(textureTarget, textureCopy);
var dataBox = direct3D.DeviceContext.MapSubresource(
textureCopy,
0,
0,
MapMode.Read,
SharpDX.Direct3D11.MapFlags.None,
out DataStream dataStream);
var dataRectangle = new DataRectangle
{
DataPointer = dataStream.DataPointer,
Pitch = dataBox.RowPitch
};
var imagingFactory = new ImagingFactory2();
var bitmap = new SharpDX.WIC.Bitmap(
imagingFactory,
textureCopy.Description.Width,
textureCopy.Description.Height,
format,
dataRectangle);
using (var s = stream)
{
s.Position = 0;
using (var bitmapEncoder = new PngBitmapEncoder(imagingFactory, s))
{
using (var bitmapFrameEncode = new BitmapFrameEncode(bitmapEncoder))
{
bitmapFrameEncode.Initialize();
bitmapFrameEncode.SetSize(bitmap.Size.Width, bitmap.Size.Height);
var pixelFormat = SharpDX.WIC.PixelFormat.FormatDontCare;
bitmapFrameEncode.SetPixelFormat(ref pixelFormat);
bitmapFrameEncode.WriteSource(bitmap);
bitmapFrameEncode.Commit();
bitmapEncoder.Commit();
bitmapFrameEncode.Dispose();
bitmapEncoder.Dispose();
}
}
}
direct3D.DeviceContext.UnmapSubresource(textureCopy, 0);
textureCopy.Dispose();
bitmap.Dispose();
imagingFactory.Dispose();
dataStream.Dispose();
stream.Dispose();
}
public static void DisposeFactory()
{
_factory?.Dispose();
_factory = null;
}