int GetDX10BitCount(DDS_Header.DXGI_FORMAT DX10Format)
{
int dx10Format = 32;
switch (DX10Format)
{
// For now, 32 works.
}
return(dx10Format);
}
/// <summary>
/// Details the given format.
/// </summary>
/// <param name="dxgiFormat">Optional DX10 format. Default = Unknown.</param>
/// <param name="inFormat">Image Format.</param>
public DDSFormatDetails(DDSFormat inFormat, DDS_Header.DXGI_FORMAT dxgiFormat = new DDS_Header.DXGI_FORMAT())
{
Format = inFormat;
DX10Format = dxgiFormat;
BitCount = 8;
{
switch (inFormat)
{
case DDSFormat.DDS_G8_L8:
case DDSFormat.DDS_A8:
case DDSFormat.DDS_ATI1:
BitCount = 8;
break;
case DDSFormat.DDS_A8L8:
case DDSFormat.DDS_V8U8:
case DDSFormat.DDS_ATI2_3Dc:
BitCount = 16;
break;
case DDSFormat.DDS_ABGR_8:
case DDSFormat.DDS_ARGB_8:
case DDSFormat.DDS_DXT1:
case DDSFormat.DDS_DXT2:
case DDSFormat.DDS_DXT3:
case DDSFormat.DDS_DXT4:
case DDSFormat.DDS_DXT5:
case DDSFormat.DDS_G16_R16:
BitCount = 32;
break;
case DDSFormat.DDS_RGB_8:
BitCount = 24;
break;
case DDSFormat.DDS_ARGB_32F:
DX10Format = DDS_Header.DXGI_FORMAT.DXGI_FORMAT_R32G32B32A32_FLOAT;
BitCount = 128;
break;
case DDSFormat.DDS_R5G6B5:
BitCount = 16;
break;
case DDSFormat.DDS_ARGB_4:
case DDSFormat.DDS_CUSTOM:
case DDSFormat.DDS_DX10:
BitCount = GetDX10BitCount(DX10Format);
break;
}
}
// Functions
ReadByte = ReadByteFromByte;
ReadUShort = ReadUShortFromByte;
ReadFloat = ReadFloatFromByte;
SetMaxValue = WriteByteMax;
WriteColor = WriteByte;
ReadUShortAsArray = ReadUShortFromByteAsArray;
ReadFloatAsArray = ReadFloatFromByteOrUShortAsArray;
if (ComponentSize == 2)
{
ReadByte = ReadByteFromUShort;
ReadUShort = ReadUShortFromUShort;
ReadFloat = ReadFloatFromUShort;
SetMaxValue = WriteUShortMax;
WriteColor = WriteUShort;
ReadUShortAsArray = ReadUShortFromUShortAsArray;
// Don't need ReadFloatAsArray set here, as it's shared between byte and ushort reading.
}
else if (ComponentSize == 4)
{
ReadByte = ReadByteFromFloat;
ReadUShort = ReadUShortFromFloat;
ReadFloat = ReadFloatFromFloat;
SetMaxValue = WriteFloatMax;
WriteColor = WriteFloat;
ReadUShortAsArray = ReadUShortFromFloatAsArray;
ReadFloatAsArray = ReadFloatFromFloatAsArray;
}
switch (inFormat)
{
case DDSFormat.DDS_ATI1:
BlockEncoder = DDS_Encoders.CompressBC4Block;
break;
case DDSFormat.DDS_ATI2_3Dc:
BlockEncoder = DDS_Encoders.CompressBC5Block;
break;
case DDSFormat.DDS_DX10:
if (DX10Format.ToString().Contains("BC7"))
{
BlockEncoder = DDS_Encoders.CompressBC7Block;
}
else
{
BlockEncoder = DDS_Encoders.CompressBC6Block;
}
break;
case DDSFormat.DDS_DXT1:
BlockEncoder = DDS_Encoders.CompressBC1Block;
break;
case DDSFormat.DDS_DXT2:
case DDSFormat.DDS_DXT3:
BlockEncoder = DDS_Encoders.CompressBC2Block;
break;
case DDSFormat.DDS_DXT4:
case DDSFormat.DDS_DXT5:
BlockEncoder = DDS_Encoders.CompressBC3Block;
break;
}
switch (inFormat)
{
case DDSFormat.DDS_DXT1:
BlockDecoder = DDS_Decoders.DecompressBC1Block;
break;
case DDSFormat.DDS_DXT2:
case DDSFormat.DDS_DXT3:
BlockDecoder = DDS_Decoders.DecompressBC2Block;
break;
case DDSFormat.DDS_DXT4:
case DDSFormat.DDS_DXT5:
BlockDecoder = DDS_Decoders.DecompressBC3Block;
break;
case DDSFormat.DDS_ATI1:
BlockDecoder = DDS_Decoders.DecompressATI1Block;
break;
case DDSFormat.DDS_ATI2_3Dc:
BlockDecoder = DDS_Decoders.DecompressATI2Block;
break;
case DDSFormat.DDS_DX10:
if (DX10Format.ToString().Contains("BC7"))
{
BlockDecoder = DDS_Decoders.DecompressBC7Block;
}
else
{
BlockDecoder = DDS_Decoders.DecompressBC6Block;
}
break;
}
}
