private void Read_DDS_HEADER10(DDS_HEADER_DXT10 h, BinaryReader r)
{
h.dxgiFormat = (DXGI_FORMAT)r.ReadInt32();
h.resourceDimension = (D3D10_RESOURCE_DIMENSION)r.ReadInt32();
h.miscFlag = r.ReadUInt32();
h.arraySize = r.ReadUInt32();
h.miscFlags2 = r.ReadUInt32();
}
public List <byte[]> mipMaps = new List <byte[]>(); //TODO load and upload them separately.
public DDSImage(byte[] rawdata)
{
using (MemoryStream ms = new MemoryStream(rawdata)) {
using (BinaryReader r = new BinaryReader(ms)) {
dwMagic = r.ReadInt32();
if (dwMagic != 0x20534444)
{
throw new Exception("This is not a DDS!");
}
Read_DDS_HEADER(header, r);
if (((header.ddspf.dwFlags & DDPF_FOURCC) != 0) && (header.ddspf.dwFourCC == FOURCC_DX10 /*DX10*/))
{
header10 = new DDS_HEADER_DXT10();
Read_DDS_HEADER10(header10, r);
//Override PitchOrLinearSize in case of BC7 textures
switch (header10.dxgiFormat)
{
case DXGI_FORMAT.DXGI_FORMAT_BC7_UNORM:
header.dwPitchOrLinearSize = header.dwWidth * header.dwHeight;
break;
default:
break;
}
}
int mipMapCount = 1;
if ((header.dwFlags & DDSD_MIPMAPCOUNT) != 0)
{
mipMapCount = header.dwMipMapCount;
}
if (header.dwPitchOrLinearSize == 0)
{
System.Diagnostics.Debug.Fail("0 size texture data, check what is going on");
}
bdata = r.ReadBytes((int)(r.BaseStream.Length - r.BaseStream.Position)); //Read everything
//I don't need decoded images
//images = new Bitmap[mipMapCount];
//for (int i = 0; i < mipMapCount; ++i) {
// // Version .2 changes <AmaroK86>
// int w = (int)(header.dwWidth / Math.Pow(2, i));
// int h = (int)(header.dwHeight / Math.Pow(2, i));
// if ((header.ddspf.dwFlags & DDPF_RGB) != 0) {
// images[i]= readLinearImage(bdata, w, h);
// } else if ((header.ddspf.dwFlags & DDPF_FOURCC) != 0) {
// images[i] = readBlockImage(bdata, w, h);
// } else if ((header.ddspf.dwFlags & DDPF_FOURCC) == 0 &&
// header.ddspf.dwRGBBitCount == 0x10 &&
// header.ddspf.dwRBitMask == 0xFF &&
// header.ddspf.dwGBitMask == 0xFF00 &&
// header.ddspf.dwBBitMask == 0x00 &&
// header.ddspf.dwABitMask == 0x00) {
// images[i] = UncompressV8U8(bdata, w, h);// V8U8 normalmap format
// }
//}
}
}
}