public static void WriteTextureHeader(BitmapTag bitm, Stream destination)
{
var ddsHeader = DdsHeader.Create(
bitm.TextureInfos[0].Format,
CapsLookup[bitm.TextureType],
Caps2Lookup[bitm.TextureType],
bitm.TextureInfos[0].Width,
bitm.TextureInfos[0].Height,
bitm.TextureInfos[0].Depth,
bitm.MipMapCount,
null,
null);
destination.Write(ddsHeader);
}
public void DdsHeader_CreatesValidHeader()
{
var dim = 256;
var header = DdsHeader.Create(TextureFormat.DXT45, DdsHeader.Caps.Texture, DdsHeader.Caps2.None, dim, dim, 1, 1, null, 16384);
Assert.AreEqual(128, header.Length);
// Manual verification, paste into 010 Editor, run DDS template
Logger.LogMessage("0x" + BitConverter.ToString(header.ToArray()).Replace("-", string.Empty));
Assert.AreEqual(dim, header.ReadInt32At(12), "Height should match");
Assert.AreEqual(dim, header.ReadInt32At(16), "Width should match");
Assert.AreEqual(32, header.ReadInt32At(76), "DDS_PIXELFORMAT struct length should be 32");
Assert.AreEqual("DXT5", header.ReadStringFrom(84, 4), "PixelFormat should match");
Assert.AreEqual(0, header.ReadInt32At(116), "Reserved data should be 0");
Assert.AreEqual(0, header.ReadInt32At(120), "Reserved data should be 0");
Assert.AreEqual(0, header.ReadInt32At(124), "Reserved data should be 0");
}
