private static DxTexture ReadTextureCubeFromStream(GtexData gtex, Stream input)
{
Texture2DDescription descriptor = GetTextureCubeDescription(gtex);
using (SafeUnmanagedArray array = new SafeUnmanagedArray(gtex.MipMapData.Sum(d => d.Length)))
{
DataRectangle[] rects = new DataRectangle[gtex.MipMapData.Length];
using (UnmanagedMemoryStream io = array.OpenStream(FileAccess.Write))
{
byte[] buff = new byte[32 * 1024];
for (int index = 0; index < gtex.MipMapData.Length; index++)
{
GtexMipMapLocation mimMap = gtex.MipMapData[index];
Int32 pitch = GetPitch(descriptor, index);
rects[index] = CreateDataRectangle(array, io, pitch);
input.SetPosition(mimMap.Offset);
input.CopyToStream(io, mimMap.Length, buff);
}
}
Texture2D texture = new Texture2D(_device.Device, descriptor, rects);
// Workaround
_textureCreatingWorkaround(_device.Device.ImmediateContext, texture, ImageFileFormat.Dds);
return(new DxTexture(texture, descriptor));
}
}
public bool TryCreateNextStream(string key, out Stream result, out Exception ex)
{
GtexMipMapLocation data = _data.MipMapData[_index++];
result = new StreamSegment(_resourceStream, data.Offset, data.Length, FileAccess.Read);
ex = null;
return(true);
}
public void Inject(WpdEntry entry, Stream input, Lazy <Stream> headers, Lazy <Stream> content, Byte[] buff)
{
int sourceSize = (int)input.Length;
headers.Value.Position = entry.Offset;
SectionHeader sectionHeader = headers.Value.ReadContent <SectionHeader>();
VtexHeader textureHeader = headers.Value.ReadContent <VtexHeader>();
byte[] unknownData = new byte[textureHeader.GtexOffset - VtexHeader.Size];
headers.Value.Read(unknownData, 0, unknownData.Length);
GtexData data = headers.Value.ReadContent <GtexData>();
if (data.MipMapData.Length != 1)
{
throw new NotImplementedException();
}
DdsHeader ddsHeader = DdsHeaderDecoder.FromFileStream(input);
DdsHeaderEncoder.ToGtexHeader(ddsHeader, data.Header);
GtexMipMapLocation mipMapLocation = data.MipMapData[0];
int dataSize = sourceSize - 128;
if (dataSize <= mipMapLocation.Length)
{
content.Value.Seek(mipMapLocation.Offset, SeekOrigin.Begin);
}
else
{
content.Value.Seek(0, SeekOrigin.End);
mipMapLocation.Offset = (int)content.Value.Position;
}
input.CopyToStream(content.Value, dataSize, buff);
mipMapLocation.Length = dataSize;
using (MemoryStream ms = new MemoryStream(180))
{
sectionHeader.WriteToStream(ms);
textureHeader.WriteToStream(ms);
ms.Write(unknownData, 0, unknownData.Length);
data.WriteToStream(ms);
ms.SetPosition(0);
DefaultWpdEntryInjector defaultInjector = new DefaultWpdEntryInjector();
defaultInjector.Inject(entry, ms, headers, content, buff);
}
}
