public static SKImage GetImage(FTexture2DMipMap inp, string pixel_format)
{
byte[] decoded;
SKColorType color;
switch (pixel_format)
{
case "PF_DXT5":
decoded = DDSImage.DecompressDXT5(inp.data.data, DDSImage.PixelFormat.DXT5, (uint)inp.size_x, (uint)inp.size_y, (uint)inp.size_z);
color = SKColorType.Rgba8888;
break;
case "PF_DXT1":
decoded = DDSImage.DecompressDXT1(inp.data.data, DDSImage.PixelFormat.DXT1, (uint)inp.size_x, (uint)inp.size_y, (uint)inp.size_z);
color = SKColorType.Rgba8888;
break;
case "PF_B8G8R8A8":
decoded = inp.data.data;
color = SKColorType.Bgra8888;
break;
case "PF_BC5":
decoded = DecodeBC5(inp.data.data, inp.size_x, inp.size_y);
color = SKColorType.Rgb888x;
break;
case "PF_BC4":
decoded = DecodeBC4(inp.data.data, inp.size_x, inp.size_y);
color = SKColorType.Rgb888x;
break;
case "PF_G8":
decoded = inp.data.data;
color = SKColorType.Gray8;
break;
case "PF_FloatRGBA":
decoded = inp.data.data;
color = SKColorType.RgbaF16;
break;
default:
throw new IOException("Unknown image type: " + pixel_format);
}
var info = new SKImageInfo(inp.size_x, inp.size_y, color, SKAlphaType.Unpremul);
using (SKBitmap bitmap = new SKBitmap(info))
{
unsafe
{
fixed(byte *p = decoded)
{
bitmap.SetPixels(new IntPtr(p));
}
}
return(SKImage.FromBitmap(bitmap));
}
}
internal FTexturePlatformData(BinaryReader reader, BinaryReader ubulk, long bulk_offset)
{
size_x = reader.ReadInt32();
size_y = reader.ReadInt32();
num_slices = reader.ReadInt32();
pixel_format = read_string(reader);
first_mip = reader.ReadInt32();
mips = new FTexture2DMipMap[reader.ReadUInt32()];
for (int i = 0; i < mips.Length; i++)
{
mips[i] = new FTexture2DMipMap(reader, ubulk, bulk_offset);
}
is_virtual = reader.ReadInt32() == 1;
if (is_virtual)
{
throw new IOException("Texture is virtual, unsupported for now");
}
}
