public CompressScreen(bool _dxMode)
{
this.screenBounds = Screen.PrimaryScreen.Bounds;
prev = new Bitmap(screenBounds.Width, screenBounds.Height, PixelFormat.Format32bppArgb);
cur = new Bitmap(screenBounds.Width, screenBounds.Height, PixelFormat.Format32bppArgb);
using (Graphics g = Graphics.FromImage(prev))
{
g.Clear(Color.Black);
}
compressionBuffer = new byte[screenBounds.Width * screenBounds.Height * 4];
int backBufSize = LZ4.LZ4Codec.MaximumOutputLength(compressionBuffer.Length) + 4;
compressedScreen = new CompressedScreen(backBufSize);
//directX Constructor
if (_dxMode == true)
{
factory = new Factory1();
adapter = factory.GetAdapter1(0);
device = new SharpDX.Direct3D11.Device(adapter);
output = adapter.GetOutput(0);
output1 = output.QueryInterface <Output1>();
textureDesc = new Texture2DDescription
{
CpuAccessFlags = CpuAccessFlags.Read,
BindFlags = BindFlags.None,
Format = Format.B8G8R8A8_UNorm,
Width = screenBounds.Width,
Height = screenBounds.Height,
OptionFlags = ResourceOptionFlags.None,
MipLevels = 1,
ArraySize = 1,
SampleDescription = { Count = 1, Quality = 0 },
Usage = ResourceUsage.Staging
};
screenTexture = new Texture2D(device, textureDesc);
duplicatedOutput = output1.DuplicateOutput(device);
}
}
public DecompressScreen(CompressedScreen compressed)
{
decompressed = new byte[LZ4.LZ4Codec.MaximumOutputLength(compressed.Data.Length)];
LZ4.LZ4Codec.Decode(compressed.Data, 0, compressed.Size,
decompressed, 0, decompressed.Length);
}