private static Texture2D Make3D(Texture2D stereoTexture)
{
NvStereoImageHeader header = new NvStereoImageHeader(0x4433564e, 3840, 1080, 4, 0x00000002);
// stereoTexture contains a stereo image with the left eye image on the left half
// and the right eye image on the right half
// this staging texture will have an extra row to contain the stereo signature
Texture2DDescription stagingDesc = new Texture2DDescription()
{
ArraySize = 1,
Width = 2*size.Width,
Height = size.Height + 1,
BindFlags = BindFlags.None,
CpuAccessFlags = CpuAccessFlags.Write,
Format = SlimDX.DXGI.Format.R8G8B8A8_UNorm,
OptionFlags = ResourceOptionFlags.None,
Usage = ResourceUsage.Staging,
MipLevels = 1,
SampleDescription = new SampleDescription(1, 0)
};
Texture2D staging = new Texture2D(device, stagingDesc);
// Identify the source texture region to copy (all of it)
ResourceRegion stereoSrcBox = new ResourceRegion
{Front = 0, Back = 1, Top = 0, Bottom = size.Height, Left = 0, Right = 2*size.Width};
// Copy it to the staging texture
device.CopySubresourceRegion(stereoTexture, 0, stereoSrcBox, staging, 0, 0, 0, 0);
// Open the staging texture for reading
DataRectangle box = staging.Map(0, MapMode.Write, SlimDX.Direct3D10.MapFlags.None);
// Go to the last row
//box.Data.Seek(stereoTexture.Description.Width*stereoTexture.Description.Height*4, System.IO.SeekOrigin.Begin);
box.Data.Seek(box.Pitch*1080, System.IO.SeekOrigin.Begin);
// Write the NVSTEREO header
box.Data.Write(data, 0, data.Length);
staging.Unmap(0);
// Create the final stereoized texture
Texture2DDescription finalDesc = new Texture2DDescription()
{
ArraySize = 1,
Width = 2 * size.Width,
Height = size.Height + 1,
BindFlags = BindFlags.ShaderResource,
CpuAccessFlags = CpuAccessFlags.Write,
Format = SlimDX.DXGI.Format.R8G8B8A8_UNorm,
OptionFlags = ResourceOptionFlags.None,
Usage = ResourceUsage.Dynamic,
MipLevels = 1,
SampleDescription = new SampleDescription(1, 0)
};
// Copy the staging texture on a new texture to be used as a shader resource
Texture2D final = new Texture2D(device, finalDesc);
device.CopyResource(staging, final);
staging.Dispose();
return final;
}
Texture2D Make3D(Texture2D tex)
{
NvStereoImageHeader header = new NvStereoImageHeader(0x4433564e, 3840, 1080, 4, 0x00000002);
// DataBox box = DeviceContext.Immediate.MapSubresource(tex, 0,
// tex.Description.Width * tex.Description.Height * 4, MapMode.Read, MapFlags.None);
// Console.WriteLine(box.RowPitch);
// int size = tex.Description.Width * tex.Description.Height * 8;
// byte[] buffer = new byte[size/2];
// int val = box.Data.ReadRange<byte>(buffer, 0, size/2);
// DeviceContext.Immediate.UnmapSubresource(tex, 0);
Texture2DDescription desc = new Texture2DDescription()
{
ArraySize = 1,
Width = 3840,
Height = 1081,
BindFlags = BindFlags.None,
CpuAccessFlags = CpuAccessFlags.Write,
Format = SlimDX.DXGI.Format.R8G8B8A8_UNorm,
OptionFlags = ResourceOptionFlags.None,
Usage = ResourceUsage.Staging,
MipLevels = 1,
SampleDescription = new SampleDescription(1, 0)
};
ResourceRegion stereoSrcBox = new ResourceRegion
{Front = 0, Back = 1, Top = 0, Bottom = 1080, Left = 0, Right = 3840};
Texture2D outp = new Texture2D(Game.Context.Device, desc);
DeviceContext.Immediate.CopySubresourceRegion(tex, 0, stereoSrcBox, outp, 0, 0, 0, 0);
//DeviceContext.Immediate.CopyResource(tex, outp);
DataBox box = DeviceContext.Immediate.MapSubresource(outp, 0,
outp.Description.Width * outp.Description.Height * 4, MapMode.Write, MapFlags.None);
//var val = box.Data.ReadByte();
box.Data.Seek(tex.Description.Width * tex.Description.Height * 4, SeekOrigin.Begin);
//box.Data.Write(data, 0, data.Length);
//byte[] color = BitConverter.GetBytes(Color.White.ToArgb());
//box.Data.Write(color,0, color.Length);
//box.Data.Write(data, 0, data.Length);
byte[] headerData = StructureToByteArray(header);
box.Data.Write(headerData, 0, headerData.Length);
//box.Data.Write(color, 0, color.Length);
DeviceContext.Immediate.UnmapSubresource(outp, 0);
//box.Data.Write(buffer, 0, buffer.Length);
//DeviceContext.Immediate.CopySubresourceRegion(tex, 0, stereoSrcBox, outp, 0, 0, 0, 0);
////return Texture2D.FromMemory(Game.Context.Device, buffer);
//Texture2D.ToFile(Game.Context.Immediate, outp, ImageFileFormat.Bmp, "prova.bmp");
Texture2DDescription finalDesc = new Texture2DDescription()
{
ArraySize = 1,
Width = 3840,
Height = 1081,
BindFlags = BindFlags.ShaderResource,
CpuAccessFlags = CpuAccessFlags.Write,
Format = SlimDX.DXGI.Format.R8G8B8A8_UNorm,
OptionFlags = ResourceOptionFlags.None,
Usage = ResourceUsage.Dynamic,
MipLevels = 1,
SampleDescription = new SampleDescription(1, 0)
};
Texture2D finalT = new Texture2D(DeviceContext.Device, finalDesc);
DeviceContext.Immediate.CopyResource(outp, finalT);
//Texture2D.ToFile(DeviceContext.Immediate, finalT, ImageFileFormat.Bmp, "prova.bmp");
return finalT;
}
